Other: Bridge London 2.1.2

- pkg/pmapi: Reduce max number of retries
- test/features: tweak create mailbox scenarios.
- test/context: change order of clean up steps
- test/context: logger field
- test/context: message preparation per username
- test/context: check that eventID has changed after adding messages
- test/features: make sure we wait 15sec before detecting import duplicates

.gitattributes

@@ -1 +1 @@
-Changelog.md merge=union
+unreleased.md merge=union

.github/ISSUE_TEMPLATE/general-issue-template.md

@@ -27,6 +27,9 @@ Issue tracker is ONLY used for reporting bugs with technical details. "It doesn'
 3.
 4.
 
+## Version Information
+<!--- Which version of the app(s) were you using when you experienced this issue? -->
+
 ## Context (Environment)
 <!--- How has this issue affected you? What are you trying to accomplish? -->
 <!--- Providing context helps us come up with a solution that is most useful in the real world -->

.gitignore

@@ -6,9 +6,6 @@
 .*.sw?
 *~
 
-# Compiled Object files, Static and Dynamic libs (Shared Objects)
-vendor
-
 # Test files
 godog.test
 debug.test
@@ -17,31 +14,18 @@ coverage.html
 # Run files
 mem.pprof
 
-# Auto generated frontend
-internal/frontend/qml/BridgeUI/*.qmlc
-internal/frontend/qml/ImportExportUI/*.qmlc
-internal/frontend/qml/ProtonUI/*.qmlc
-internal/frontend/qml/ProtonUI/fontawesome.ttf
-internal/frontend/qml/ProtonUI/images
-internal/frontend/qml/ImportExportUI/images
-frontend/qml/*.qmlc
+# Auto generated
+internal/**/credits.go
+vendor
+vendor-cache
+/main.go
+
 
 # Build files
-bridge_darwin_*.tgz
+/launcher-*
+/bridge_*_*.tgz
+/ie_*_*.tgz
+/versioner
+/hasher
 cmd/Desktop-Bridge/deploy
 cmd/Import-Export/deploy
-internal/frontend/qt*/moc.cpp
-internal/frontend/qt*/moc.go
-internal/frontend/qt*/moc.h
-internal/frontend/qt*/moc_cgo_*.go
-internal/frontend/qt*/moc_moc.h
-internal/frontend/qt*/rcc.cpp
-internal/frontend/qt*/rcc.qrc
-internal/frontend/qt*/rcc_cgo_*.go
-
-internal/frontend/rcc.cpp
-internal/frontend/rcc.qrc
-internal/frontend/rcc_cgo_*.go
-vendor-cache/
-
-/main.go

.gitlab-ci.yml

@@ -1,4 +1,4 @@
-image: gitlab.protontech.ch:4567/go/bridge-internal
+image: gitlab.protontech.ch:4567/go/bridge-internal:latest
 
 before_script:
   - eval $(ssh-agent -s)
@@ -44,9 +44,11 @@ lint:
   only:
     - branches
   script:
-    - make lint
+    - env GOMAXPROCS=$(( ${CI_TAG_CPU} / 2 )) make lint
+  tags:
+    - medium
 
-test:
+test-linux:
   stage: test
   only:
     - branches
@@ -60,6 +62,16 @@ test:
     - pass init `gpg --list-keys | grep "^   " | tail -1 | tr -d '[:space:]'`
     # Then finally run the tests
     - make test
+  tags:
+    - medium
+
+test-windows:
+  extends: .build-windows-base
+  stage: test
+  only:
+    - branches
+  script:
+    - make test
 
 test-integration:
   stage: test
@@ -67,6 +79,8 @@ test-integration:
     - branches
   script:
     - VERBOSITY=debug make -C test test
+  tags:
+    - large
 
 dependency-updates:
   stage: test
@@ -75,14 +89,40 @@ dependency-updates:
 
 # Stage: BUILD
 
+build-qml:
+  tags:
+    - small
+  only:
+    - branches
+  stage: build
+  artifacts:
+    name: "bridge-qml-$CI_COMMIT_SHORT_SHA"
+    expire_in: 1 day
+    paths:
+      - bridge_qml.tgz
+  script:
+    - cd internal/frontend/qml
+    - tar -cvzf ../../../bridge_qml.tgz ./*
+
+
 .build-base:
   stage: build
   only:
-    - branches
+    - manual
+  before_script:
+    - mkdir -p .cache/bin
+    - export PATH=$(pwd)/.cache/bin:$PATH
+    - export GOPATH="$CI_PROJECT_DIR/.cache"
   script:
     - make build
+    - git diff && git diff-index --quiet HEAD
   artifacts:
-    expire_in: 2 week
+    # Note: The latest artifacts for refs are locked against deletion, and kept
+    # regardless of the expiry time. Introduced in GitLab 13.0 behind a
+    # disabled feature flag, and made the default behavior in GitLab 13.4.
+    expire_in: 1 day
+  tags:
+    - large
 
 build-linux:
   extends: .build-base
@@ -95,21 +135,14 @@ build-linux-qa:
   extends: .build-base
   only:
     - web
+    - branches
   script:
-    - BUILD_TAGS="build_qa pmapi_qa" make build
+    - BUILD_TAGS="build_qa" make build
   artifacts:
     name: "bridge-linux-qa-$CI_COMMIT_SHORT_SHA"
     paths:
       - bridge_*.tgz
 
-build-ie-linux:
-  extends: .build-base
-  script:
-    - make build-ie
-  artifacts:
-    name: "ie-linux-$CI_COMMIT_SHORT_SHA"
-    paths:
-      - ie_*.tgz
 
 .build-darwin-base:
   extends: .build-base
@@ -139,39 +172,31 @@ build-darwin-qa:
   extends: .build-darwin-base
   only:
     - web
+    - branches
   script:
-    - BUILD_TAGS="build_qa pmapi_qa" make build
+    - BUILD_TAGS="build_qa" make build
   artifacts:
     name: "bridge-darwin-qa-$CI_COMMIT_SHORT_SHA"
     paths:
       - bridge_*.tgz
 
-build-ie-darwin:
-  extends: .build-darwin-base
-  script:
-    - make build-ie
-  artifacts:
-    name: "ie-darwin-$CI_COMMIT_SHORT_SHA"
-    paths:
-      - ie_*.tgz
 
 .build-windows-base:
   extends: .build-base
-  services:
-    - docker:dind
-  variables:
-    DOCKER_HOST: tcp://docker:2375
+  before_script:
+    - export GOROOT=/c/Go
+    - export PATH=$GOROOT/bin:$PATH
+    - export GOARCH=amd64
+    - export GOPATH=~/go
+    - export GO111MODULE=on
+    - export PATH=$GOPATH/bin:$PATH
+    - export MSYSTEM=
+    - export PATH=$PATH:/c/grrrQt/5.13.2/mingw73_64/bin
+  tags:
+    - windows-bridge
 
 build-windows:
   extends: .build-windows-base
-  script:
-    # We need to install docker because qtdeploy builds for windows inside a docker container.
-    # Docker will connect to the dockerd daemon provided by the runner service docker:dind at tcp://docker:2375.
-    - curl -fsSL https://get.docker.com -o get-docker.sh && sh get-docker.sh
-    - apt-get update && apt-get -y install binutils-mingw-w64 tar gzip
-    - ln -s /usr/bin/x86_64-w64-mingw32-windres /usr/bin/windres
-    - go mod download
-    - TARGET_OS=windows make build
   artifacts:
     name: "bridge-windows-$CI_COMMIT_SHORT_SHA"
     paths:
@@ -181,34 +206,14 @@ build-windows-qa:
   extends: .build-windows-base
   only:
     - web
+    - branches
   script:
-    # We need to install docker because qtdeploy builds for windows inside a docker container.
-    # Docker will connect to the dockerd daemon provided by the runner service docker:dind at tcp://docker:2375.
-    - curl -fsSL https://get.docker.com -o get-docker.sh && sh get-docker.sh
-    - apt-get update && apt-get -y install binutils-mingw-w64 tar gzip
-    - ln -s /usr/bin/x86_64-w64-mingw32-windres /usr/bin/windres
-    - go mod download
-    - TARGET_OS=windows BUILD_TAGS="build_qa pmapi_qa" make build
+    - BUILD_TAGS="build_qa" make build
   artifacts:
     name: "bridge-windows-qa-$CI_COMMIT_SHORT_SHA"
     paths:
       - bridge_*.tgz
 
-build-ie-windows:
-  extends: .build-windows-base
-  script:
-    # We need to install docker because qtdeploy builds for windows inside a docker container.
-    # Docker will connect to the dockerd daemon provided by the runner service docker:dind at tcp://docker:2375.
-    - curl -fsSL https://get.docker.com -o get-docker.sh && sh get-docker.sh
-    - apt-get update && apt-get -y install binutils-mingw-w64 tar gzip
-    - ln -s /usr/bin/x86_64-w64-mingw32-windres /usr/bin/windres
-    - go mod download
-    - TARGET_OS=windows make build-ie
-  artifacts:
-    name: "ie-windows-$CI_COMMIT_SHORT_SHA"
-    paths:
-      - ie_*.tgz
-
 # Stage: MIRROR
 
 mirror-repo:

.golangci.yml

@@ -1,16 +1,17 @@
+---
 run:
   timeout: 10m
-  build-tags:
-    - nogui
   skip-dirs:
     - pkg/mime
 
 issues:
   exclude-use-default: false
   exclude:
-     - Using the variable on range scope `tt` in function literal
-     - should have comment (\([^)]+\) )?or be unexported # For now we are missing a lot of comments.
-     - at least one file in a package should have a package comment # For now we are missing a lot of comments.
+    - Using the variable on range scope `tt` in function literal
+    # For now we are missing a lot of comments.
+    - should have comment (\([^)]+\) )?or be unexported
+    # For now we are missing a lot of comments.
+    - at least one file in a package should have a package comment
 
   exclude-rules:
     - path: _test\.go
@@ -30,7 +31,7 @@ linters-settings:
 linters:
   # setting disable-all will make only explicitly enabled linters run
   disable-all: true
-  
+
   enable:
     - deadcode          # Finds unused code [fast: true, auto-fix: false]
     - errcheck          # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases [fast: true, auto-fix: false]
@@ -49,7 +50,6 @@ linters:
     - funlen            # Tool for detection of long functions [fast: true, auto-fix: false]
     - gochecknoglobals  # Checks that no globals are present in Go code [fast: true, auto-fix: false]
     - gochecknoinits    # Checks that no init functions are present in Go code [fast: true, auto-fix: false]
-    #- gocognit          # Computes and checks the cognitive complexity of functions [fast: true, auto-fix: false]
     - goconst           # Finds repeated strings that could be replaced by a constant [fast: true, auto-fix: false]
     - gocritic          # The most opinionated Go source code linter [fast: true, auto-fix: false]
     - gocyclo           # Computes and checks the cyclomatic complexity of functions [fast: true, auto-fix: false]
@@ -58,15 +58,52 @@ linters:
     - goimports         # Goimports does everything that gofmt does. Additionally it checks unused imports [fast: true, auto-fix: true]
     - golint            # Golint differs from gofmt. Gofmt reformats Go source code, whereas golint prints out style mistakes [fast: true, auto-fix: false]
     - gosec             # Inspects source code for security problems [fast: true, auto-fix: false]
-    - interfacer        # Linter that suggests narrower interface types [fast: true, auto-fix: false]
-    - maligned          # Tool to detect Go structs that would take less memory if their fields were sorted [fast: true, auto-fix: false]
     - misspell          # Finds commonly misspelled English words in comments [fast: true, auto-fix: true]
     - nakedret          # Finds naked returns in functions greater than a specified function length [fast: true, auto-fix: false]
     - prealloc          # Finds slice declarations that could potentially be preallocated [fast: true, auto-fix: false]
-    - scopelint         # Scopelint checks for unpinned variables in go programs [fast: true, auto-fix: false]
     - stylecheck        # Stylecheck is a replacement for golint [fast: true, auto-fix: false]
     - unconvert         # Remove unnecessary type conversions [fast: true, auto-fix: false]
     - unparam           # Reports unused function parameters [fast: true, auto-fix: false]
     - whitespace        # Tool for detection of leading and trailing whitespace [fast: true, auto-fix: true]
-    #- wsl               # Whitespace Linter - Forces you to use empty lines! [fast: true, auto-fix: false]
-    #- lll               # Reports long lines [fast: true, auto-fix: false]
+    - asciicheck        # Simple linter to check that your code does not contain non-ASCII identifiers [fast: true, auto-fix: false]
+    - durationcheck     # check for two durations multiplied together [fast: false, auto-fix: false]
+    - exhaustive        # check exhaustiveness of enum switch statements [fast: false, auto-fix: false]
+    - exportloopref     # checks for pointers to enclosing loop variables [fast: false, auto-fix: false]
+    - forcetypeassert   # finds forced type assertions [fast: true, auto-fix: false]
+    - godot             # Check if comments end in a period [fast: true, auto-fix: true]
+    - goheader          # Checks is file header matches to pattern [fast: true, auto-fix: false]
+    - gomodguard        # Allow and block list linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations. [fast: true, auto-fix: false]
+    - goprintffuncname  # Checks that printf-like functions are named with `f` at the end [fast: true, auto-fix: false]
+    - importas          # Enforces consistent import aliases [fast: false, auto-fix: false]
+    - makezero          # Finds slice declarations with non-zero initial length [fast: false, auto-fix: false]
+    - nilerr            # Finds the code that returns nil even if it checks that the error is not nil. [fast: false, auto-fix: false]
+    - predeclared       # find code that shadows one of Go's predeclared identifiers [fast: true, auto-fix: false]
+    - revive            # Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint. [fast: false, auto-fix: false]
+    - rowserrcheck      # checks whether Err of rows is checked successfully [fast: false, auto-fix: false]
+    - sqlclosecheck     # Checks that sql.Rows and sql.Stmt are closed. [fast: false, auto-fix: false]
+    - tparallel         # tparallel detects inappropriate usage of t.Parallel() method in your Go test codes [fast: false, auto-fix: false]
+    - wastedassign      # wastedassign finds wasted assignment statements. [fast: false, auto-fix: false]
+    # - wsl               # Whitespace Linter - Forces you to use empty lines! [fast: true, auto-fix: false]
+    # - lll               # Reports long lines [fast: true, auto-fix: false]
+    # Consider to include:
+    # - gocognit          # Computes and checks the cognitive complexity of functions [fast: true, auto-fix: false]
+    # - cyclop            # checks function and package cyclomatic complexity [fast: false, auto-fix: false]
+    # - errorlint         # go-errorlint is a source code linter for Go software that can be used to find code that will cause problems with the error wrapping scheme introduced in Go 1.13. [fast: false, auto-fix: false]
+    # - exhaustivestruct  # Checks if all struct's fields are initialized [fast: false, auto-fix: false]
+    # - forbidigo         # Forbids identifiers [fast: true, auto-fix: false]
+    # - gci               # Gci control golang package import order and make it always deterministic. [fast: true, auto-fix: true]
+    # - gocognit          # Computes and checks the cognitive complexity of functions [fast: true, auto-fix: false]
+    # - goerr113          # Golang linter to check the errors handling expressions [fast: false, auto-fix: false]
+    # - gofumpt           # Gofumpt checks whether code was gofumpt-ed. [fast: true, auto-fix: true]
+    # - gomnd             # An analyzer to detect magic numbers. [fast: true, auto-fix: false]
+    # - gomoddirectives   # Manage the use of 'replace', 'retract', and 'excludes' directives in go.mod. [fast: true, auto-fix: false]
+    # - ifshort           # Checks that your code uses short syntax for if-statements whenever possible [fast: true, auto-fix: false]
+    # - nestif            # Reports deeply nested if statements [fast: true, auto-fix: false]
+    # - nlreturn          # nlreturn checks for a new line before return and branch statements to increase code clarity [fast: true, auto-fix: false]
+    # - noctx             # noctx finds sending http request without context.Context [fast: false, auto-fix: false]
+    # - nolintlint        # Reports ill-formed or insufficient nolint directives [fast: true, auto-fix: false]
+    # - paralleltest      # paralleltest detects missing usage of t.Parallel() method in your Go test [fast: true, auto-fix: false]
+    # - testpackage       # linter that makes you use a separate _test package [fast: true, auto-fix: false]
+    # - thelper           # thelper detects golang test helpers without t.Helper() call and checks the consistency of test helpers [fast: false, auto-fix: false]
+    # - wrapcheck         # Checks that errors returned from external packages are wrapped [fast: false, auto-fix: false]
+

BUILDS.md

@@ -1,6 +1,9 @@
 # Building ProtonMail Bridge and Import-Export app
 
 ## Prerequisites
+* 64-bit AMD OS:
+    - the go-rfc5322 module cannot currently be compiled for 32-bit OSes
+    - the Apple M1 builds are not supported yet due to dependencies
 * Go 1.13
 * Bash with basic build utils: make, gcc, sed, find, grep, ...
 * For Windows it is recommended to use MinGW 64bit shell from [MSYS2](https://www.msys2.org/)
@@ -13,13 +16,21 @@ To enable the sending of crash reports using Sentry please set the
 Otherwise, the sending of crash reports will be disabled.
 
 ## Build
-* for Windows please unset the `MSYSTEM` variable
+In order to build Bridge or Import-Export app with Qt interface we are using
+[Qt Go Binding](https://github.com/therecipe/qt).  The dependencies and
+installation of this tool is part of `make build` target.  If you have issues
+with installation of therecipe/qt we recommend to follow [this
+wiki](https://github.com/therecipe/qt/wiki/Installation-on-Linux)
+
+Please note that `$(go env GOPATH)/bin` must be in your `PATH` to ensure
+binaries installed by `therecipe/qt` (such as `qtdeploy`) are found. Also,
+before you start build **on Windows**, please unset the `MSYSTEM` variable
+
 
 ```bash
 export MSYSTEM=
 ```
 
-
 ### Build Bridge
 * in project root run
 
@@ -32,6 +43,17 @@ make build
     * for `windows`, the binary will have the file extension `.exe` (e.g `proton-bridge.exe`)
     * for `darwin`, the application will be created with name of the project directory (e.g `proton-bridge.app`)
 
+#### Build Bridge without GUI
+* If you need to build bridge without Qt dependencies, you can do so by running
+
+```bash
+make build-nogui
+```
+
+* Bridge without GUI will start by default without any interface (i.e., there is no way to add or remove client, get bridge password, etc)
+* Bridge always has the option (whether built with Qt or without) to use a CLI interface by starting it with the argument `-c`
+* NOTE: You still need to setup supported keychain on your system
+
 ### Build Import-Export
 * in project root run
 
@@ -44,6 +66,17 @@ make build-ie
     * for `windows`, the binary will have the file extension `.exe` (e.g `proton-bridge.exe`)
     * for `darwin`, the application will be created with name of the project directory (e.g `proton-bridge.app`)
 
+### Launchers
+Launchers are only included in official distributions and provide the public
+key used to verify signed app binaries, allowing the automatic update feature.
+See README for more information.
+
+### Tags
+Note that repository contains both Bridge and Import-Export apps and they are
+not released together. Therefore, each app has own tag prefix. Bridge tags
+starts with `br-` and Import-Export tags starts with `ie-`. Both tags continue
+with semantic versioning `MAJOR.MINOR.PATCH`. An example of full tag is
+`br-1.4.4` or `ie-1.1.2` (current versions in October 2020).
 
 ## Useful tests, lints and checks
 In order to be able to run following commands please install the development dependencies: 

COPYING_NOTES.md

@@ -41,7 +41,6 @@ ProtonMail Bridge includes the following 3rd party software:
 * [imap-appendlimit](https://github.com/emersion/go-imap-appendlimit)       | Available under [license](https://github.com/emersion/go-imap-appendlimit/blob/master/LICENSE)
 * [imap-idle](https://github.com/emersion/go-imap-idle)                     | Available under [license](https://github.com/emersion/go-imap-idle/blob/master/LICENSE)
 * [imap-quota](https://github.com/emersion/go-imap-quota)                   | Available under [license](https://github.com/emersion/go-imap-quota/blob/master/LICENSE)
-* [imap-specialuse](https://github.com/emersion/go-imap-specialuse)         | Available under [license](https://github.com/emersion/go-imap-specialuse/blob/master/LICENSE)
 * [sasl](https://github.com/emersion/go-sasl)                               | Available under [license](https://github.com/emersion/go-sasl/blob/master/LICENSE)
 * [smtp](https://github.com/emersion/go-smtp)                               | Available under [license](https://github.com/emersion/go-smtp/blob/master/LICENSE)
 * [textwrapper](https://github.com/emersion/go-textwrapper)                 | Available under [license](https://github.com/emersion/go-textwrapper/blob/master/LICENSE)

Makefile

@@ -7,86 +7,106 @@ TARGET_CMD?=Desktop-Bridge
 TARGET_OS?=${GOOS}
 
 ## Build
-.PHONY: build build-ie build-nogui build-ie-nogui check-has-go
+.PHONY: build build-nogui build-launcher versioner hasher
 
 # Keep version hardcoded so app build works also without Git repository.
-BRIDGE_APP_VERSION?=1.4.0-git
-IE_APP_VERSION?=1.1.0-git
+BRIDGE_APP_VERSION?=2.1.2+git
 APP_VERSION:=${BRIDGE_APP_VERSION}
 SRC_ICO:=logo.ico
 SRC_ICNS:=Bridge.icns
 SRC_SVG:=logo.svg
-TGT_ICNS:=Bridge.icns
-ifeq "${TARGET_CMD}" "Import-Export"
-    APP_VERSION:=${IE_APP_VERSION}
-    SRC_ICO:=ie.ico
-    SRC_ICNS:=ie.icns
-    SRC_SVG:=ie.svg
-    TGT_ICNS:=ImportExport.icns
-endif
+EXE_NAME:=proton-bridge
+CONFIGNAME:=bridge
 REVISION:=$(shell git rev-parse --short=10 HEAD)
 BUILD_TIME:=$(shell date +%FT%T%z)
 
-BUILD_TAGS?=pmapi_prod
 BUILD_FLAGS:=-tags='${BUILD_TAGS}'
-BUILD_FLAGS_NOGUI:=-tags='${BUILD_TAGS} nogui'
-GO_LDFLAGS:=$(addprefix -X github.com/ProtonMail/proton-bridge/pkg/constants.,Version=${APP_VERSION} Revision=${REVISION} BuildTime=${BUILD_TIME})
+BUILD_FLAGS_LAUNCHER:=${BUILD_FLAGS}
+BUILD_FLAGS_GUI:=-tags='${BUILD_TAGS} build_qt'
+GO_LDFLAGS:=$(addprefix -X github.com/ProtonMail/proton-bridge/internal/constants.,Version=${APP_VERSION} Revision=${REVISION} BuildTime=${BUILD_TIME})
 ifneq "${BUILD_LDFLAGS}" ""
-    GO_LDFLAGS+= ${BUILD_LDFLAGS}
+    GO_LDFLAGS+=${BUILD_LDFLAGS}
 endif
-GO_LDFLAGS:=-ldflags '${GO_LDFLAGS}'
-BUILD_FLAGS+= ${GO_LDFLAGS}
-BUILD_FLAGS_NOGUI+= ${GO_LDFLAGS}
+GO_LDFLAGS_LAUNCHER:=${GO_LDFLAGS}
+ifeq "${TARGET_OS}" "windows"
+    GO_LDFLAGS_LAUNCHER+=-H=windowsgui
+endif
+
+BUILD_FLAGS+=-ldflags '${GO_LDFLAGS}'
+BUILD_FLAGS_GUI+=-ldflags '${GO_LDFLAGS}'
+BUILD_FLAGS_LAUNCHER+=-ldflags '${GO_LDFLAGS_LAUNCHER}'
 
 DEPLOY_DIR:=cmd/${TARGET_CMD}/deploy
 ICO_FILES:=
-EXE:=$(shell basename ${CURDIR})
-
+DIRNAME:=$(shell basename ${CURDIR})
+EXE:=${EXE_NAME}
+EXE_QT:=${DIRNAME}
 ifeq "${TARGET_OS}" "windows"
     EXE:=${EXE}.exe
-    ICO_FILES:=${SRC_ICO} icon.rc icon_windows.syso
+    EXE_QT:=${EXE_QT}.exe
+    RESOURCE_FILE:=resource.syso
 endif
 ifeq "${TARGET_OS}" "darwin"
     DARWINAPP_CONTENTS:=${DEPLOY_DIR}/darwin/${EXE}.app/Contents
-    EXE:=${EXE}.app/Contents/MacOS/${EXE}
+    EXE:=${EXE}.app
+    EXE_QT:=${EXE_QT}.app
+    EXE_BINARY_DARWIN:=/Contents/MacOS/${EXE_NAME}
 endif
 EXE_TARGET:=${DEPLOY_DIR}/${TARGET_OS}/${EXE}
+EXE_QT_TARGET:=${DEPLOY_DIR}/${TARGET_OS}/${EXE_QT}
 
 TGZ_TARGET:=bridge_${TARGET_OS}_${REVISION}.tgz
-ifeq "${TARGET_CMD}" "Import-Export"
-    TGZ_TARGET:=ie_${TARGET_OS}_${REVISION}.tgz
+
+ifdef QT_API
+    VENDOR_TARGET:=prepare-vendor update-qt-docs
+else
+    VENDOR_TARGET=update-vendor
 endif
 
-
 build: ${TGZ_TARGET}
-build-ie:
-	TARGET_CMD=Import-Export $(MAKE) build
 
-build-nogui:
-	go build ${BUILD_FLAGS_NOGUI} -o ${TARGET_CMD} cmd/${TARGET_CMD}/main.go
+build-nogui: gofiles
+	go build ${BUILD_FLAGS} -o ${EXE_NAME} cmd/${TARGET_CMD}/main.go
 
-build-ie-nogui:
-	TARGET_CMD=Import-Export $(MAKE) build-nogui
+ifeq "${GOOS}" "windows"
+  	PRERESOURCECMD:=cp ./resource.syso ./cmd/launcher/resource.syso
+	POSTRESOURCECMD:=rm -f ./cmd/launcher/resource.syso
+endif
+build-launcher: ${RESOURCE_FILE}
+	${PRERESOURCECMD}
+	go build ${BUILD_FLAGS_LAUNCHER} -o launcher-${EXE} ./cmd/launcher/
+	${POSTRESOURCECMD}
+
+versioner:
+	go build ${BUILD_FLAGS} -o versioner utils/versioner/main.go
+
+hasher:
+	go build -o hasher utils/hasher/main.go
 
 ${TGZ_TARGET}: ${DEPLOY_DIR}/${TARGET_OS}
 	rm -f $@
-	cd ${DEPLOY_DIR} && tar czf ../../../$@ ${TARGET_OS}
+	cd ${DEPLOY_DIR}/${TARGET_OS} && tar czf ../../../../$@ .
 
 ${DEPLOY_DIR}/linux: ${EXE_TARGET}
-	cp -pf ./internal/frontend/share/icons/${SRC_SVG} ${DEPLOY_DIR}/linux/logo.svg
+	cp -pf ./internal/frontend/share/${SRC_SVG} ${DEPLOY_DIR}/linux/logo.svg
 	cp -pf ./LICENSE ${DEPLOY_DIR}/linux/
 	cp -pf ./Changelog.md ${DEPLOY_DIR}/linux/
+	cp -pf ./dist/${EXE_NAME}.desktop ${DEPLOY_DIR}/linux/
 
 ${DEPLOY_DIR}/darwin: ${EXE_TARGET}
-	cp ./internal/frontend/share/icons/${SRC_ICNS} ${DARWINAPP_CONTENTS}/Resources/${TGT_ICNS}
+	if [ "${DIRNAME}" != "${EXE_NAME}" ]; then \
+		mv ${EXE_TARGET}/Contents/MacOS/{${DIRNAME},${EXE_NAME}}; \
+		perl -i -pe"s/>${DIRNAME}/>${EXE_NAME}/g" ${EXE_TARGET}/Contents/Info.plist; \
+	fi
+	cp ./internal/frontend/share/${SRC_ICNS} ${DARWINAPP_CONTENTS}/Resources/${SRC_ICNS}
 	cp LICENSE ${DARWINAPP_CONTENTS}/Resources/
 	rm -rf "${DARWINAPP_CONTENTS}/Frameworks/QtWebEngine.framework"
 	rm -rf "${DARWINAPP_CONTENTS}/Frameworks/QtWebView.framework"
 	rm -rf "${DARWINAPP_CONTENTS}/Frameworks/QtWebEngineCore.framework"
-	./utils/remove_non_relative_links_darwin.sh "${EXE_TARGET}"
+	./utils/remove_non_relative_links_darwin.sh "${EXE_TARGET}${EXE_BINARY_DARWIN}"
 
 ${DEPLOY_DIR}/windows: ${EXE_TARGET}
-	cp ./internal/frontend/share/icons/${SRC_ICO} ${DEPLOY_DIR}/windows/logo.ico
+	cp ./internal/frontend/share/${SRC_ICO} ${DEPLOY_DIR}/windows/logo.ico
 	cp LICENSE ${DEPLOY_DIR}/windows/
 
 QT_BUILD_TARGET:=build desktop
@@ -96,29 +116,30 @@ ifneq "${GOOS}" "${TARGET_OS}"
   endif
 endif
 
-${EXE_TARGET}: check-has-go gofiles ${ICO_FILES} update-vendor
+${EXE_TARGET}: check-has-go gofiles ${RESOURCE_FILE} ${VENDOR_TARGET}
 	rm -rf deploy ${TARGET_OS} ${DEPLOY_DIR}
 	cp cmd/${TARGET_CMD}/main.go .
-	qtdeploy ${BUILD_FLAGS} ${QT_BUILD_TARGET}
+	qtdeploy ${BUILD_FLAGS_GUI} ${QT_BUILD_TARGET}
 	mv deploy cmd/${TARGET_CMD}
+	if [ "${EXE_QT_TARGET}" != "${EXE_TARGET}" ]; then mv ${EXE_QT_TARGET} ${EXE_TARGET}; fi
 	rm -rf ${TARGET_OS} main.go
 
-logo.ico ie.ico: ./internal/frontend/share/icons/${SRC_ICO}
-	cp $^ $@
-icon.rc: ./internal/frontend/share/icon.rc
-	cp $^ .
-icon_windows.syso: icon.rc logo.ico
-	windres --target=pe-x86-64 -o $@ $<
 
+WINDRES_YEAR:=$(shell date +%Y)
+APP_VERSION_COMMA:=$(shell echo "${APP_VERSION}" | sed -e 's/[^0-9,.]*//g' -e 's/\./,/g')
+resource.syso: ./internal/frontend/share/info.rc ./internal/frontend/share/${SRC_ICO} .FORCE
+	rm -f ./*.syso
+	windres --target=pe-x86-64 -I ./internal/frontend/share/ -D ICO_FILE=${SRC_ICO} -D EXE_NAME="${EXE_NAME}" -D FILE_VERSION="${APP_VERSION}" -D ORIGINAL_FILE_NAME="${EXE}" -D PRODUCT_VERSION="${APP_VERSION}" -D FILE_VERSION_COMMA=${APP_VERSION_COMMA} -D YEAR=${WINDRES_YEAR} -o $@ $<
 
 ## Rules for therecipe/qt
-.PHONY: prepare-vendor update-vendor
+.PHONY: prepare-vendor update-vendor update-qt-docs
 THERECIPE_ENV:=github.com/therecipe/env_${TARGET_OS}_amd64_513
 
 # vendor folder will be deleted by gomod hence we cache the big repo
 # therecipe/env in order to download it only once
 vendor-cache/${THERECIPE_ENV}:
 	git clone https://${THERECIPE_ENV}.git vendor-cache/${THERECIPE_ENV}
+	if [ "${TARGET_OS}" == "darwin" ]; then cp -f "./utils/QTBUG-88600/libqcocoa.dylib" "./vendor-cache/${THERECIPE_ENV}/5.13.0/clang_64/plugins/platforms/"; fi;
 
 # The command used to make symlinks is different on windows.
 # So if the GOOS is windows and we aren't crossbuilding (in which case the host os would still be *nix)
@@ -137,10 +158,12 @@ prepare-vendor:
 update-vendor: vendor-cache/${THERECIPE_ENV} prepare-vendor
 	${LINKCMD}
 
+update-qt-docs:
+	go get github.com/therecipe/qt/internal/binding/files/docs/$(QT_API)
 
 ## Dev dependencies
-.PHONY: install-devel-tools install-linter install-go-mod-outdated
-LINTVER:="v1.29.0"
+.PHONY: install-devel-tools install-linter install-go-mod-outdated install-git-hooks
+LINTVER:="v1.39.0"
 LINTSRC:="https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh"
 
 install-dev-dependencies: install-devel-tools install-linter install-go-mod-outdated
@@ -156,9 +179,12 @@ install-linter: check-has-go
 install-go-mod-outdated:
 	which go-mod-outdated || go get -u github.com/psampaz/go-mod-outdated
 
+install-git-hooks:
+	cp utils/githooks/* .git/hooks/
+	chmod +x .git/hooks/*
 
 ## Checks, mocks and docs
-.PHONY: check-has-go add-license change-copyright-year test bench coverage mocks lint-license lint-golang lint updates doc
+.PHONY: check-has-go add-license change-copyright-year test bench coverage mocks lint-license lint-golang lint updates doc release-notes
 check-has-go:
 	@which go || (echo "Install Go-lang!" && exit 1)
 
@@ -173,18 +199,21 @@ test: gofiles
 	go test -coverprofile=/tmp/coverage.out -run=${TESTRUN} \
 		./internal/api/... \
 		./internal/bridge/... \
+		./internal/config/... \
+		./internal/constants/... \
+		./internal/cookies/... \
+		./internal/crash/... \
 		./internal/events/... \
-		./internal/frontend/autoconfig/... \
 		./internal/frontend/cli/... \
 		./internal/imap/... \
+		./internal/locations/... \
+		./internal/logging/... \
 		./internal/metrics/... \
-		./internal/importexport/... \
-		./internal/preferences/... \
 		./internal/smtp/... \
 		./internal/store/... \
-		./internal/transfer/... \
-		./internal/updates/... \
+		./internal/updater/... \
 		./internal/users/... \
+		./internal/versioner/... \
 		./pkg/...
 
 bench:
@@ -195,20 +224,28 @@ bench:
 coverage: test
 	go tool cover -html=/tmp/coverage.out -o=coverage.html
 
-mocks:
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/internal/users Configer,PanicHandler,ClientManager,CredentialsStorer,StoreMaker > internal/users/mocks/mocks.go
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/internal/transfer PanicHandler,ClientManager > internal/transfer/mocks/mocks.go
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/internal/store PanicHandler,ClientManager,BridgeUser > internal/store/mocks/mocks.go
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/listener Listener > internal/store/mocks/utils_mocks.go
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/pmapi Client > pkg/pmapi/mocks/mocks.go
+integration-test-bridge:
+	${MAKE} -C test test-bridge
 
-lint: lint-golang lint-license
+mocks:
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/internal/users Locator,PanicHandler,CredentialsStorer,StoreMaker > internal/users/mocks/mocks.go
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/listener Listener > internal/users/mocks/listener_mocks.go
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/internal/store PanicHandler,BridgeUser,ChangeNotifier,Storer > internal/store/mocks/mocks.go
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/listener Listener > internal/store/mocks/utils_mocks.go
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/pmapi Client,Manager > pkg/pmapi/mocks/mocks.go
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/message Fetcher > pkg/message/mocks/mocks.go
+
+lint: gofiles lint-golang lint-license lint-changelog
 
 lint-license:
 	./utils/missing_license.sh check
 
+lint-changelog:
+	./utils/changelog_linter.sh Changelog.md
+
 lint-golang:
 	which golangci-lint || $(MAKE) install-linter
+	$(info linting with GOMAXPROCS=${GOMAXPROCS})
 	golangci-lint run ./...
 
 updates: install-go-mod-outdated
@@ -218,62 +255,50 @@ updates: install-go-mod-outdated
 doc:
 	godoc -http=:6060
 
+release-notes: release-notes/bridge_stable.html release-notes/bridge_early.html
+
+release-notes/%.html: release-notes/%.md
+	./utils/release_notes.sh $^
+
 .PHONY: gofiles
 # Following files are for the whole app so it makes sense to have them in bridge package.
 # (Options like cmd or internal were considered and bridge package is the best place for them.)
-gofiles: ./internal/bridge/credits.go ./internal/bridge/release_notes.go ./internal/importexport/credits.go ./internal/importexport/release_notes.go
+gofiles: ./internal/bridge/credits.go
 ./internal/bridge/credits.go: ./utils/credits.sh go.mod
 	cd ./utils/ && ./credits.sh bridge
-./internal/bridge/release_notes.go: ./utils/release-notes.sh ./release-notes/notes-bridge.txt ./release-notes/bugs-bridge.txt
-	cd ./utils/ && ./release-notes.sh bridge
-./internal/importexport/credits.go: ./utils/credits.sh go.mod
-	cd ./utils/ && ./credits.sh importexport
-./internal/importexport/release_notes.go: ./utils/release-notes.sh ./release-notes/notes-importexport.txt ./release-notes/bugs-importexport.txt
-	cd ./utils/ && ./release-notes.sh importexport
-
 
 ## Run and debug
-.PHONY: run run-qt run-qt-cli run-nogui run-nogui-cli run-debug run-qml-preview run-ie-qml-preview run-ie run-ie-qt run-ie-qt-cli run-ie-nogui run-ie-nogui-cli clean-vendor clean-frontend-qt clean-frontend-qt-ie clean-frontend-qt-common clean
+.PHONY: run run-qt run-qt-cli run-nogui run-nogui-cli run-debug run-qml-preview clean-vendor clean-frontend-qt clean-frontend-qt-common clean
 
-VERBOSITY?=debug-client
-RUN_FLAGS:=-m -l=${VERBOSITY}
+LOG?=debug
+LOG_IMAP?=client # client/server/all, or empty to turn it off
+LOG_SMTP?=--log-smtp # empty to turn it off
+RUN_FLAGS?=-m -l=${LOG} --log-imap=${LOG_IMAP} ${LOG_SMTP}
 
 run: run-nogui-cli
 
 run-qt: ${EXE_TARGET}
-	PROTONMAIL_ENV=dev ./$< ${RUN_FLAGS} | tee last.log
+	PROTONMAIL_ENV=dev ./$< ${RUN_FLAGS} 2>&1 | tee last.log
 run-qt-cli: ${EXE_TARGET}
 	PROTONMAIL_ENV=dev ./$< ${RUN_FLAGS} -c
 
 run-nogui: clean-vendor gofiles
-	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS_NOGUI} cmd/${TARGET_CMD}/main.go ${RUN_FLAGS} | tee last.log
+	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS} cmd/${TARGET_CMD}/main.go ${RUN_FLAGS} | tee last.log
 run-nogui-cli: clean-vendor gofiles
-	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS_NOGUI} cmd/${TARGET_CMD}/main.go ${RUN_FLAGS} -c
+	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS} cmd/${TARGET_CMD}/main.go ${RUN_FLAGS} -c
 
 run-debug:
-	PROTONMAIL_ENV=dev dlv debug --build-flags "${BUILD_FLAGS_NOGUI}" cmd/${TARGET_CMD}/main.go -- ${RUN_FLAGS}
+	PROTONMAIL_ENV=dev dlv debug --build-flags "${BUILD_FLAGS}" cmd/${TARGET_CMD}/main.go -- ${RUN_FLAGS} --noninteractive
 
 run-qml-preview:
-	$(MAKE) -C internal/frontend/qt -f Makefile.local qmlpreview
-run-ie-qml-preview:
-	$(MAKE) -C internal/frontend/qt-ie -f Makefile.local qmlpreview
-
-run-ie:
-	TARGET_CMD=Import-Export $(MAKE) run
-run-ie-qt:
-	TARGET_CMD=Import-Export $(MAKE) run-qt
-run-ie-nogui:
-	TARGET_CMD=Import-Export $(MAKE) run-nogui
-
+	find internal/frontend/qml/ -iname '*qmlc' | xargs rm -f
+	bridge_preview internal/frontend/qml/Bridge_test.qml
+	
 
 clean-frontend-qt:
-	$(MAKE) -C internal/frontend/qt -f Makefile.local clean
-clean-frontend-qt-ie:
-	$(MAKE) -C internal/frontend/qt-ie -f Makefile.local clean
-clean-frontend-qt-common:
-	$(MAKE) -C internal/frontend/qt-common -f Makefile.local clean
+	$(MAKE) -C internal/frontend -f Makefile.local clean
 
-clean-vendor: clean-frontend-qt clean-frontend-qt-ie clean-frontend-qt-common
+clean-vendor: clean-frontend-qt clean-frontend-qt-common
 	rm -rf ./vendor
 
 clean: clean-vendor
@@ -281,4 +306,13 @@ clean: clean-vendor
 	rm -rf cmd/Desktop-Bridge/deploy
 	rm -rf cmd/Import-Export/deploy
 	rm -f build last.log mem.pprof main.go
-	rm -rf logo.ico icon.rc icon_windows.syso internal/frontend/qt/icon_windows.syso
+	rm -f resource.syso
+	rm -f release-notes/bridge.html
+	rm -f release-notes/import-export.html
+
+.PHONY: generate
+generate:
+	go generate ./...
+	$(MAKE) add-license
+
+.FORCE:

README.md

@@ -1,9 +1,9 @@
 # ProtonMail Bridge and Import Export app
 Copyright (c) 2020 Proton Technologies AG
 
-This repository holds the ProtonMail Bridge application.
+This repository holds the ProtonMail Bridge and the ProtonMail Import-Export applications.
 For a detailed build information see [BUILDS](./BUILDS.md).
-For licensing information see [COPYING](./COPYING.md).
+The license can be found in [LICENSE](./LICENSE) file, for more licensing information see [COPYING_NOTES](./COPYING_NOTES.md).
 For contribution policy see [CONTRIBUTING](./CONTRIBUTING.md).
 
 
@@ -35,12 +35,30 @@ configure transfer rules (match source and target mailboxes, set time
 range limits and so on) and hit start. Once the transfer is complete,
 check the results.
 
+More details [on the public website](https://protonmail.com/import-export).
+
+The Import-Export app is developed in separate branch `master-ie`.
+
+## Launchers
+Launchers are binaries used to run the ProtonMail Bridge or Import-Export apps.
+
+Official distributions of the ProtonMail Bridge and Import-Export apps contain
+both a launcher and the app itself. The launcher is installed in a protected
+area of the system (i.e. an area accessible only with admin privileges) and is
+used to run the app. The launcher ensures that nobody tampered with the app's
+files by verifying their signature using a hardcoded public key. App files are
+placed in regular userspace and are signed by Proton's private key. This
+feature enables the app to securely update itself automatically without asking
+the user for a password.
+
 ## Keychain
 You need to have a keychain in order to run the ProtonMail Bridge. On Mac or
-Windows, Bridge uses native credential managers. On Linux, use
-[Gnome keyring](https://wiki.gnome.org/Projects/GnomeKeyring/)
+Windows, Bridge uses native credential managers. On Linux, use `secret-service` freedesktop.org API
+(e.g. [Gnome keyring](https://wiki.gnome.org/Projects/GnomeKeyring/))
 or
-[pass](https://www.passwordstore.org/).
+[pass](https://www.passwordstore.org/). We are working on allowing other secret
+services (e.g. KeepassXC), but for now only gnome-keyring is usable without
+major problems.
 
 
 ## Environment Variables
@@ -55,7 +73,6 @@ or
 
 ### Integration testing
 - `TEST_ENV`: set which env to use (fake or live)
-- `TEST_APP`: set which app to test (bridge or ie)
 - `TEST_ACCOUNTS`: set JSON file with configured accounts
 - `TAGS`: set build tags for tests
 - `FEATURES`: set feature dir, file or scenario to test
@@ -70,9 +87,9 @@ The database stores metadata necessary for presenting messages and mailboxes to
 
 ### Preferences
 User preferences are stored in json at the following location:
-- Linux: `~/.cache/protonmail/bridge/<cacheVersion>/prefs.json` (unless `XDG_CACHE_HOME` is set, in which case that is used as your `~`)
-- macOS: `~/Library/Caches/protonmail/bridge/<cacheVersion>/prefs.json`
-- Windows: `%LOCALAPPDATA%\protonmail\bridge\<cacheVersion>\prefs.json`
+- Linux: `~/.config/protonmail/bridge/prefs.json`
+- macOS: `~/Library/ApplicationSupport/protonmail/bridge/prefs.json`
+- Windows: `%APPDATA%\protonmail\bridge\prefs.json`
 
 ### IMAP Cache
 The currently subscribed mailboxes are held in a json file:

TODO.md

@@ -0,0 +1 @@
+- when cache is full, we need to stop the watcher? don't want to keep downloading messages and throwing them away when we try to cache them.

cmd/Desktop-Bridge/main.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -35,261 +35,40 @@ package main
 */
 
 import (
-	"io/ioutil"
 	"os"
-	"runtime/pprof"
 
-	"github.com/ProtonMail/proton-bridge/internal/api"
-	"github.com/ProtonMail/proton-bridge/internal/bridge"
-	"github.com/ProtonMail/proton-bridge/internal/cmd"
-	"github.com/ProtonMail/proton-bridge/internal/cookies"
-	"github.com/ProtonMail/proton-bridge/internal/events"
-	"github.com/ProtonMail/proton-bridge/internal/frontend"
-	"github.com/ProtonMail/proton-bridge/internal/imap"
-	"github.com/ProtonMail/proton-bridge/internal/preferences"
-	"github.com/ProtonMail/proton-bridge/internal/smtp"
-	"github.com/ProtonMail/proton-bridge/internal/updates"
-	"github.com/ProtonMail/proton-bridge/internal/users/credentials"
-	"github.com/ProtonMail/proton-bridge/pkg/config"
-	"github.com/ProtonMail/proton-bridge/pkg/constants"
-	"github.com/ProtonMail/proton-bridge/pkg/listener"
-	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
-	"github.com/allan-simon/go-singleinstance"
+	"github.com/ProtonMail/proton-bridge/internal/app/base"
+	"github.com/ProtonMail/proton-bridge/internal/app/bridge"
 	"github.com/sirupsen/logrus"
-	"github.com/urfave/cli"
 )
 
 const (
-	// cacheVersion is used for cache files such as lock, events, preferences, user_info, db files.
-	// Different number will drop old files and create new ones.
-	cacheVersion = "c11"
-
-	appName = "bridge"
-)
-
-var (
-	log = logrus.WithField("pkg", "main") //nolint[gochecknoglobals]
+	appName       = "ProtonMail Bridge"
+	appUsage      = "ProtonMail IMAP and SMTP Bridge"
+	configName    = "bridge"
+	updateURLName = "bridge"
+	keychainName  = "bridge"
+	cacheVersion  = "c11"
 )
 
 func main() {
-	cmd.Main(
-		"ProtonMail Bridge",
-		"ProtonMail IMAP and SMTP Bridge",
-		[]cli.Flag{
-			cli.BoolFlag{
-				Name:  "no-window",
-				Usage: "Don't show window after start"},
-			cli.BoolFlag{
-				Name:  "noninteractive",
-				Usage: "Start Bridge entirely noninteractively"},
-		},
-		run,
+	base, err := base.New(
+		appName,
+		appUsage,
+		configName,
+		updateURLName,
+		keychainName,
+		cacheVersion,
 	)
-}
-
-// run initializes and starts everything in a precise order.
-//
-// IMPORTANT: ***Read the comments before CHANGING the order ***
-func run(context *cli.Context) (contextError error) { // nolint[funlen]
-	// We need to have config instance to setup a logs, panic handler, etc ...
-	cfg := config.New(appName, constants.Version, constants.Revision, cacheVersion)
-
-	// We want to know about any problem. Our PanicHandler calls sentry which is
-	// not dependent on anything else. If that fails, it tries to create crash
-	// report which will not be possible if no folder can be created. That's the
-	// only problem we will not be notified about in any way.
-	panicHandler := &cmd.PanicHandler{
-		AppName: "ProtonMail Bridge",
-		Config:  cfg,
-		Err:     &contextError,
-	}
-	defer panicHandler.HandlePanic()
-
-	// First we need config and create necessary folder; it's dependency for everything.
-	if err := cfg.CreateDirs(); err != nil {
-		log.Fatal("Cannot create necessary folders: ", err)
-	}
-
-	// Setup of logs should be as soon as possible to ensure we record every wanted report in the log.
-	logLevel := context.GlobalString("log-level")
-	debugClient, debugServer := config.SetupLog(cfg, logLevel)
-
-	// Doesn't make sense to continue when Bridge was invoked with wrong arguments.
-	// We should tell that to the user before we do anything else.
-	if context.Args().First() != "" {
-		_ = cli.ShowAppHelp(context)
-		return cli.NewExitError("Unknown argument", 4)
-	}
-
-	// It's safe to get version JSON file even when other instance is running.
-	// (thus we put it before check of presence of other Bridge instance).
-	updates := updates.NewBridge(cfg.GetUpdateDir())
-
-	if dir := context.GlobalString("version-json"); dir != "" {
-		cmd.GenerateVersionFiles(updates, dir)
-		return nil
-	}
-
-	// Should be called after logs are configured but before preferences are created.
-	migratePreferencesFromC10(cfg)
-
-	// ClearOldData before starting new bridge to do a proper setup.
-	//
-	// IMPORTANT: If you the change position of this you will need to wait
-	// until force-update to be applied on all currently used bridge
-	// versions
-	if err := cfg.ClearOldData(); err != nil {
-		log.Error("Cannot clear old data: ", err)
-	}
-
-	// GetTLSConfig is needed for IMAP, SMTL and local bridge API (to check second instance).
-	//
-	// This should be called after ClearOldData, in order to re-create the
-	// certificates if clean data will remove them (accidentally or on purpose).
-	tls, err := config.GetTLSConfig(cfg)
-	if err != nil {
-		log.WithError(err).Fatal("Cannot get TLS certificate")
-	}
-
-	pref := preferences.New(cfg)
-
-	// Now we can try to proceed with starting the bridge. First we need to ensure
-	// this is the only instance. If not, we will end and focus the existing one.
-	lock, err := singleinstance.CreateLockFile(cfg.GetLockPath())
-	if err != nil {
-		log.Warn("Bridge is already running")
-		if err := api.CheckOtherInstanceAndFocus(pref.GetInt(preferences.APIPortKey), tls); err != nil {
-			cmd.DisableRestart()
-			log.Error("Second instance: ", err)
-		}
-		return cli.NewExitError("Bridge is already running.", 3)
-	}
-	defer lock.Close() //nolint[errcheck]
-
-	// In case user wants to do CPU or memory profiles...
-	if doCPUProfile := context.GlobalBool("cpu-prof"); doCPUProfile {
-		cmd.StartCPUProfile()
-		defer pprof.StopCPUProfile()
-	}
-
-	if doMemoryProfile := context.GlobalBool("mem-prof"); doMemoryProfile {
-		defer cmd.MakeMemoryProfile()
-	}
-
-	// Now we initialize all Bridge parts.
-	log.Debug("Initializing bridge...")
-	eventListener := listener.New()
-	events.SetupEvents(eventListener)
-
-	credentialsStore, credentialsError := credentials.NewStore(appName)
-	if credentialsError != nil {
-		log.Error("Could not get credentials store: ", credentialsError)
-	}
-
-	cm := pmapi.NewClientManager(cfg.GetAPIConfig())
-
-	// Different build types have different roundtrippers (e.g. we want to enable
-	// TLS fingerprint checks in production builds). GetRoundTripper has a different
-	// implementation depending on whether build flag pmapi_prod is used or not.
-	cm.SetRoundTripper(cfg.GetRoundTripper(cm, eventListener))
-
-	// Cookies must be persisted across restarts.
-	jar, err := cookies.NewCookieJar(pref)
-	if err != nil {
-		logrus.WithError(err).Warn("Could not create cookie jar")
-	} else {
-		cm.SetCookieJar(jar)
-	}
-
-	bridgeInstance := bridge.New(cfg, pref, panicHandler, eventListener, cm, credentialsStore)
-	imapBackend := imap.NewIMAPBackend(panicHandler, eventListener, cfg, bridgeInstance)
-	smtpBackend := smtp.NewSMTPBackend(panicHandler, eventListener, pref, bridgeInstance)
-
-	go func() {
-		defer panicHandler.HandlePanic()
-		apiServer := api.NewAPIServer(pref, tls, cfg.GetTLSCertPath(), cfg.GetTLSKeyPath(), eventListener)
-		apiServer.ListenAndServe()
-	}()
-
-	go func() {
-		defer panicHandler.HandlePanic()
-		imapPort := pref.GetInt(preferences.IMAPPortKey)
-		imapServer := imap.NewIMAPServer(debugClient, debugServer, imapPort, tls, imapBackend, eventListener)
-		imapServer.ListenAndServe()
-	}()
-
-	go func() {
-		defer panicHandler.HandlePanic()
-		smtpPort := pref.GetInt(preferences.SMTPPortKey)
-		useSSL := pref.GetBool(preferences.SMTPSSLKey)
-		smtpServer := smtp.NewSMTPServer(debugClient || debugServer, smtpPort, useSSL, tls, smtpBackend, eventListener)
-		smtpServer.ListenAndServe()
-	}()
-
-	// Decide about frontend mode before initializing rest of bridge.
-	var frontendMode string
-
-	switch {
-	case context.GlobalBool("cli"):
-		frontendMode = "cli"
-	case context.GlobalBool("noninteractive"):
-		frontendMode = "noninteractive"
-	default:
-		frontendMode = "qt"
-	}
-
-	log.WithField("mode", frontendMode).Debug("Determined frontend mode to use")
-
-	// If we are starting bridge in noninteractive mode, simply block instead of starting a frontend.
-	if frontendMode == "noninteractive" {
-		<-(make(chan struct{}))
-		return nil
-	}
-
-	showWindowOnStart := !context.GlobalBool("no-window")
-	frontend := frontend.New(constants.Version, constants.BuildVersion, frontendMode, showWindowOnStart, panicHandler, cfg, pref, eventListener, updates, bridgeInstance, smtpBackend)
-
-	// Last part is to start everything.
-	log.Debug("Starting frontend...")
-	if err := frontend.Loop(credentialsError); err != nil {
-		log.Error("Frontend failed with error: ", err)
-		return cli.NewExitError("Frontend error", 2)
-	}
-
-	if frontend.IsAppRestarting() {
-		cmd.RestartApp()
-	}
-
-	return nil
-}
-
-// migratePreferencesFromC10 will copy preferences from c10 folder to c11.
-// It will happen only when c10/prefs.json exists and c11/prefs.json not.
-// No configuration changed between c10 and c11 versions.
-func migratePreferencesFromC10(cfg *config.Config) {
-	pref10Path := config.New(appName, constants.Version, constants.Revision, "c10").GetPreferencesPath()
-	if _, err := os.Stat(pref10Path); os.IsNotExist(err) {
-		log.WithField("path", pref10Path).Trace("Old preferences does not exist, migration skipped")
-		return
-	}
-
-	pref11Path := cfg.GetPreferencesPath()
-	if _, err := os.Stat(pref11Path); err == nil {
-		log.WithField("path", pref11Path).Trace("New preferences already exists, migration skipped")
-		return
-	}
-
-	data, err := ioutil.ReadFile(pref10Path) //nolint[gosec]
-	if err != nil {
-		log.WithError(err).Error("Problem to load old preferences")
-		return
-	}
-
-	err = ioutil.WriteFile(pref11Path, data, 0600)
-	if err != nil {
-		log.WithError(err).Error("Problem to migrate preferences")
-		return
-	}
-
-	log.Info("Preferences migrated")
+	if err != nil {
+		logrus.WithError(err).Fatal("Failed to create app base")
+	}
+	// Other instance already running.
+	if base == nil {
+		return
+	}
+
+	if err := bridge.New(base).Run(os.Args); err != nil {
+		logrus.WithError(err).Fatal("Bridge exited with error")
+	}
 }

cmd/Import-Export/main.go

@@ -1,177 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package main
-
-import (
-	"runtime/pprof"
-
-	"github.com/ProtonMail/proton-bridge/internal/cmd"
-	"github.com/ProtonMail/proton-bridge/internal/cookies"
-	"github.com/ProtonMail/proton-bridge/internal/events"
-	"github.com/ProtonMail/proton-bridge/internal/frontend"
-	"github.com/ProtonMail/proton-bridge/internal/importexport"
-	"github.com/ProtonMail/proton-bridge/internal/preferences"
-	"github.com/ProtonMail/proton-bridge/internal/updates"
-	"github.com/ProtonMail/proton-bridge/internal/users/credentials"
-	"github.com/ProtonMail/proton-bridge/pkg/config"
-	"github.com/ProtonMail/proton-bridge/pkg/constants"
-	"github.com/ProtonMail/proton-bridge/pkg/listener"
-	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
-	"github.com/allan-simon/go-singleinstance"
-	"github.com/sirupsen/logrus"
-	"github.com/urfave/cli"
-)
-
-const (
-	// cacheVersion is used for cache files such as lock, or preferences.
-	// Different number will drop old files and create new ones.
-	cacheVersion = "c11"
-
-	appName     = "importExport"
-	appNameDash = "import-export-app"
-)
-
-var (
-	log = logrus.WithField("pkg", "main") //nolint[gochecknoglobals]
-)
-
-func main() {
-	cmd.Main(
-		"ProtonMail Import-Export",
-		"ProtonMail Import-Export app",
-		nil,
-		run,
-	)
-}
-
-// run initializes and starts everything in a precise order.
-//
-// IMPORTANT: ***Read the comments before CHANGING the order ***
-func run(context *cli.Context) (contextError error) { // nolint[funlen]
-	// We need to have config instance to setup a logs, panic handler, etc ...
-	cfg := config.New(appName, constants.Version, constants.Revision, cacheVersion)
-
-	// We want to know about any problem. Our PanicHandler calls sentry which is
-	// not dependent on anything else. If that fails, it tries to create crash
-	// report which will not be possible if no folder can be created. That's the
-	// only problem we will not be notified about in any way.
-	panicHandler := &cmd.PanicHandler{
-		AppName: "ProtonMail Import-Export app",
-		Config:  cfg,
-		Err:     &contextError,
-	}
-	defer panicHandler.HandlePanic()
-
-	// First we need config and create necessary folder; it's dependency for everything.
-	if err := cfg.CreateDirs(); err != nil {
-		log.Fatal("Cannot create necessary folders: ", err)
-	}
-
-	// Setup of logs should be as soon as possible to ensure we record every wanted report in the log.
-	logLevel := context.GlobalString("log-level")
-	_, _ = config.SetupLog(cfg, logLevel)
-
-	// Doesn't make sense to continue when Import-Export was invoked with wrong arguments.
-	// We should tell that to the user before we do anything else.
-	if context.Args().First() != "" {
-		_ = cli.ShowAppHelp(context)
-		return cli.NewExitError("Unknown argument", 4)
-	}
-
-	// It's safe to get version JSON file even when other instance is running.
-	// (thus we put it before check of presence of other Import-Export instance).
-	updates := updates.NewImportExport(cfg.GetUpdateDir())
-
-	if dir := context.GlobalString("version-json"); dir != "" {
-		cmd.GenerateVersionFiles(updates, dir)
-		return nil
-	}
-
-	// Now we can try to proceed with starting the Import-Export. First we need to ensure
-	// this is the only instance. If not, we will end and focus the existing one.
-	lock, err := singleinstance.CreateLockFile(cfg.GetLockPath())
-	if err != nil {
-		log.Warn("Import-Export app is already running")
-		return cli.NewExitError("Import-Export app is already running.", 3)
-	}
-	defer lock.Close() //nolint[errcheck]
-
-	// In case user wants to do CPU or memory profiles...
-	if doCPUProfile := context.GlobalBool("cpu-prof"); doCPUProfile {
-		cmd.StartCPUProfile()
-		defer pprof.StopCPUProfile()
-	}
-
-	if doMemoryProfile := context.GlobalBool("mem-prof"); doMemoryProfile {
-		defer cmd.MakeMemoryProfile()
-	}
-
-	// Now we initialize all Import-Export parts.
-	log.Debug("Initializing import-export...")
-	eventListener := listener.New()
-	events.SetupEvents(eventListener)
-
-	credentialsStore, credentialsError := credentials.NewStore(appNameDash)
-	if credentialsError != nil {
-		log.Error("Could not get credentials store: ", credentialsError)
-	}
-
-	cm := pmapi.NewClientManager(cfg.GetAPIConfig())
-
-	// Different build types have different roundtrippers (e.g. we want to enable
-	// TLS fingerprint checks in production builds). GetRoundTripper has a different
-	// implementation depending on whether build flag pmapi_prod is used or not.
-	cm.SetRoundTripper(cfg.GetRoundTripper(cm, eventListener))
-
-	pref := preferences.New(cfg)
-
-	// Cookies must be persisted across restarts.
-	jar, err := cookies.NewCookieJar(pref)
-	if err != nil {
-		logrus.WithError(err).Warn("Could not create cookie jar")
-	} else {
-		cm.SetCookieJar(jar)
-	}
-
-	importexportInstance := importexport.New(cfg, panicHandler, eventListener, cm, credentialsStore)
-
-	// Decide about frontend mode before initializing rest of import-export.
-	var frontendMode string
-	switch {
-	case context.GlobalBool("cli"):
-		frontendMode = "cli"
-	default:
-		frontendMode = "qt"
-	}
-	log.WithField("mode", frontendMode).Debug("Determined frontend mode to use")
-
-	frontend := frontend.NewImportExport(constants.Version, constants.BuildVersion, frontendMode, panicHandler, cfg, eventListener, updates, importexportInstance)
-
-	// Last part is to start everything.
-	log.Debug("Starting frontend...")
-	if err := frontend.Loop(credentialsError); err != nil {
-		log.Error("Frontend failed with error: ", err)
-		return cli.NewExitError("Frontend error", 2)
-	}
-
-	if frontend.IsAppRestarting() {
-		cmd.RestartApp()
-	}
-
-	return nil
-}

cmd/launcher/main.go

@@ -0,0 +1,204 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gopenpgp/v2/crypto"
+	"github.com/ProtonMail/proton-bridge/internal/config/useragent"
+	"github.com/ProtonMail/proton-bridge/internal/constants"
+	"github.com/ProtonMail/proton-bridge/internal/crash"
+	"github.com/ProtonMail/proton-bridge/internal/locations"
+	"github.com/ProtonMail/proton-bridge/internal/logging"
+	"github.com/ProtonMail/proton-bridge/internal/sentry"
+	"github.com/ProtonMail/proton-bridge/internal/updater"
+	"github.com/ProtonMail/proton-bridge/internal/versioner"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+)
+
+const (
+	appName    = "ProtonMail Launcher"
+	configName = "bridge"
+	exeName    = "proton-bridge"
+)
+
+func main() { // nolint[funlen]
+	reporter := sentry.NewReporter(appName, constants.Version, useragent.New())
+
+	crashHandler := crash.NewHandler(reporter.ReportException)
+	defer crashHandler.HandlePanic()
+
+	locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, configName))
+	if err != nil {
+		logrus.WithError(err).Fatal("Failed to get locations provider")
+	}
+
+	locations := locations.New(locationsProvider, configName)
+
+	logsPath, err := locations.ProvideLogsPath()
+	if err != nil {
+		logrus.WithError(err).Fatal("Failed to get logs path")
+	}
+	crashHandler.AddRecoveryAction(logging.DumpStackTrace(logsPath))
+
+	if err := logging.Init(logsPath); err != nil {
+		logrus.WithError(err).Fatal("Failed to setup logging")
+	}
+
+	logging.SetLevel(os.Getenv("VERBOSITY"))
+
+	updatesPath, err := locations.ProvideUpdatesPath()
+	if err != nil {
+		logrus.WithError(err).Fatal("Failed to get updates path")
+	}
+
+	key, err := crypto.NewKeyFromArmored(updater.DefaultPublicKey)
+	if err != nil {
+		logrus.WithError(err).Fatal("Failed to create new verification key")
+	}
+
+	kr, err := crypto.NewKeyRing(key)
+	if err != nil {
+		logrus.WithError(err).Fatal("Failed to create new verification keyring")
+	}
+
+	versioner := versioner.New(updatesPath)
+
+	exe, err := getPathToUpdatedExecutable(exeName, versioner, kr, reporter)
+	if err != nil {
+		if exe, err = getFallbackExecutable(exeName, versioner); err != nil {
+			logrus.WithError(err).Fatal("Failed to find any launchable executable")
+		}
+	}
+
+	launcher, err := os.Executable()
+	if err != nil {
+		logrus.WithError(err).Fatal("Failed to determine path to launcher")
+	}
+
+	cmd := exec.Command(exe, appendLauncherPath(launcher, os.Args[1:])...) // nolint[gosec]
+
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	// On windows, if you use Run(), a terminal stays open; we don't want that.
+	if runtime.GOOS == "windows" {
+		err = cmd.Start()
+	} else {
+		err = cmd.Run()
+	}
+
+	if err != nil {
+		logrus.WithError(err).Fatal("Failed to launch")
+	}
+}
+
+func appendLauncherPath(path string, args []string) []string {
+	res := append([]string{}, args...)
+
+	hasFlag := false
+
+	for k, v := range res {
+		if v != "--launcher" {
+			continue
+		}
+
+		hasFlag = true
+
+		if k+1 >= len(res) {
+			continue
+		}
+
+		res[k+1] = path
+	}
+
+	if !hasFlag {
+		res = append(res, "--launcher", path)
+	}
+
+	return res
+}
+
+func getPathToUpdatedExecutable(
+	name string,
+	versioner *versioner.Versioner,
+	kr *crypto.KeyRing,
+	reporter *sentry.Reporter,
+) (string, error) {
+	versions, err := versioner.ListVersions()
+	if err != nil {
+		return "", errors.Wrap(err, "failed to list available versions")
+	}
+
+	currentVersion, err := semver.StrictNewVersion(constants.Version)
+	if err != nil {
+		logrus.WithField("version", constants.Version).WithError(err).Error("Failed to parse current version")
+	}
+
+	for _, version := range versions {
+		vlog := logrus.WithField("version", version)
+
+		if err := version.VerifyFiles(kr); err != nil {
+			vlog.WithError(err).Error("Files failed verification and will be removed")
+
+			if err := reporter.ReportMessage(fmt.Sprintf("version %v failed verification: %v", version, err)); err != nil {
+				vlog.WithError(err).Error("Failed to report corrupt update files")
+			}
+
+			if err := version.Remove(); err != nil {
+				vlog.WithError(err).Error("Failed to remove files")
+			}
+
+			continue
+		}
+
+		// Skip versions that are less or equal to launcher version.
+		if currentVersion != nil && !version.SemVer().GreaterThan(currentVersion) {
+			continue
+		}
+
+		exe, err := version.GetExecutable(name)
+		if err != nil {
+			vlog.WithError(err).Error("Failed to get executable")
+			continue
+		}
+
+		return exe, nil
+	}
+
+	return "", errors.New("no available newer versions")
+}
+
+func getFallbackExecutable(name string, versioner *versioner.Versioner) (string, error) {
+	logrus.Info("Searching for fallback executable")
+
+	launcher, err := os.Executable()
+	if err != nil {
+		return "", errors.Wrap(err, "failed to determine path to launcher")
+	}
+
+	return versioner.GetExecutableInDirectory(name, filepath.Dir(launcher))
+}

dist/proton-bridge.desktop

@@ -0,0 +1,11 @@
+[Desktop Entry]
+Type=Application
+Version=1.1
+Name=ProtonMail Bridge
+GenericName=ProtonMail Bridge for Linux
+Comment=The Bridge is an application that runs on your computer in the background and seamlessly encrypts and decrypts your mail as it enters and leaves your computer.
+Icon=protonmail-bridge
+Exec=protonmail-bridge
+Terminal=false
+Categories=Office;Email;Network
+StartupWMClass=protonmail-bridge

doc/encryption.md

@@ -1,12 +1,12 @@
 # Encryption
 
 Encryption is done in PMAPI, bridge utils and bridge itself. The best would be to keep encryption
-in PMAPI and bridge utils (in pacakge such as messages). All packages are using our high-level
-GopenPGP library on top of openpgp.
+in PMAPI and bridge utils (in package such as messages). All packages are using our high-level
+GopenPGP library on top of OpenPGP.
 
 ## `gopenpgp.KeyRing`
 
 We use one `KeyRing` per address. Our usage then contains all keys for specific address. Primary
 key is always on the first position, then there old ones to be able to decrypt last e-mail.
-Openpgp encrypts given message with all available keys, so we need to first get first (primary)
+OpenPGP encrypts given message with all available keys, so we need to first get first (primary)
 key for encryption to have message encrypted only once with primary key.

doc/importexport.md

@@ -1,135 +0,0 @@
-# Import-Export app
-
-## Main blocks
-
-This is basic overview of the main Import-Export blocks.
-
-```mermaid
-graph LR
-    S[ProtonMail server]
-    U[User]
-
-    subgraph "Import-Export app"
-        Users
-        Frontend["Qt / CLI"]
-        ImportExport
-        Transfer
-
-        Frontend --> ImportExport
-        Frontend --> Transfer
-        ImportExport --> Users
-        ImportExport --> Transfer
-    end
-
-    EML --> Transfer
-    MBOX --> Transfer
-    IMAP --> Transfer
-    S --> Transfer
-
-    Transfer --> EML
-    Transfer --> MBOX
-    Transfer --> S
-
-    U --> Frontend
-```
-
-## Code structure
-
-More detailed graph of main types used in Import-Export app and connection between them.
-
-```mermaid
-graph TD
-    PM[ProtonMail Server]
-    EML[EML]
-    MBOX[MBOX]
-    IMAP[IMAP]
-
-    subgraph "Import-Export app"
-        subgraph "pkg users"
-            subgraph "pkg credentials"
-                CredStore[Store]
-                Creds[Credentials]
-
-                CredStore --> Creds
-            end
-
-            US[Users]
-            U[User]
-
-            US --> U
-        end
-
-        subgraph "pkg frontend"
-            CLI
-            Qt
-        end
-
-        subgraph "pkg importExport"
-            IE[ImportExport]
-        end
-
-        subgraph "pkg transfer"
-            Transfer
-            Rules
-            Progress
-
-            Provider
-            LocalProvider
-            EMLProvider
-            MBOXProvider
-            IMAPProvider
-            PMAPIProvider
-
-            Mailbox
-            Message
-
-            Transfer --> |source|Provider
-            Transfer --> |target|Provider
-            Transfer --> Rules
-            Transfer --> Progress
-
-            Provider --> LocalProvider
-            Provider --> EMLProvider
-            Provider --> MBOXProvider
-            Provider --> IMAPProvider
-            Provider --> PMAPIProvider
-
-            LocalProvider --> EMLProvider
-            LocalProvider --> MBOXProvider
-
-            Provider --> Mailbox
-            Provider --> Message
-
-        end
-
-        subgraph PMAPI
-            APIM[ClientManager]
-            APIC[Client]
-
-            APIM --> APIC
-        end
-    end
-
-    CLI --> IE
-    CLI --> Transfer
-    CLI --> Progress
-    Qt --> IE
-    Qt --> Transfer
-    Qt --> Progress
-
-    U --> CredStore
-    U --> Creds
-
-    US --> APIM
-    U --> APIM
-
-    PMAPIProvider --> APIM
-    EMLProvider --> EML
-    MBOXProvider --> MBOX
-    IMAPProvider --> IMAP
-
-    IE --> US
-    IE --> Transfer
-
-    APIC --> PM
-```

doc/index.md

@@ -1,14 +1,9 @@
-# Documentation
+# Bridge Documentation
 
 Documentation pages in order to read for a novice:
 
-## Bridge
-
 * [Bridge code](bridge.md)
 * [Internal Bridge database](database.md)
 * [Communication between Bridge, Client and Server](communication.md)
 * [Encryption](encryption.md)
 
-## Import-Export app
-
-* [Import-Export code](importexport.md)

go.mod

@@ -1,82 +1,82 @@
 module github.com/ProtonMail/proton-bridge
 
-go 1.13
+go 1.15
 
 // These dependencies are `replace`d below, so the version numbers should be ignored.
 // They are in a separate require block to highlight this.
 require (
 	github.com/docker/docker-credential-helpers v0.6.3
-	github.com/emersion/go-smtp v0.0.0-20180712174835-db5eec195e67
-	github.com/jameskeane/bcrypt v0.0.0-20170924085257-7509ea014998
-	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
+	github.com/emersion/go-imap v1.0.6
+	github.com/jameskeane/bcrypt v0.0.0-20170924085257-7509ea014998 // indirect
 )
 
 require (
 	github.com/0xAX/notificator v0.0.0-20191016112426-3962a5ea8da1
 	github.com/Masterminds/semver/v3 v3.1.0
-	github.com/ProtonMail/go-appdir v1.1.0
-	github.com/ProtonMail/go-apple-mobileconfig v0.0.0-20160701194735-7ea9927a11f6
 	github.com/ProtonMail/go-autostart v0.0.0-20181114175602-c5272053443a
+	github.com/ProtonMail/go-crypto v0.0.0-20211221144345-a4f6767435ab
 	github.com/ProtonMail/go-imap-id v0.0.0-20190926060100-f94a56b9ecde
+	github.com/ProtonMail/go-rfc5322 v0.8.0
+	github.com/ProtonMail/go-srp v0.0.1
 	github.com/ProtonMail/go-vcard v0.0.0-20180326232728-33aaa0a0c8a5
-	github.com/ProtonMail/gopenpgp/v2 v2.0.1
+	github.com/ProtonMail/gopenpgp/v2 v2.4.1
 	github.com/PuerkitoBio/goquery v1.5.1
 	github.com/abiosoft/ishell v2.0.0+incompatible
 	github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db // indirect
 	github.com/allan-simon/go-singleinstance v0.0.0-20160830203053-79edcfdc2dfc
-	github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894 // indirect
 	github.com/chzyer/logex v1.1.10 // indirect
 	github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 // indirect
-	github.com/cucumber/godog v0.8.1
-	github.com/emersion/go-imap v1.0.6-0.20200708083111-011063d6c9df
+	github.com/cucumber/godog v0.12.1
+	github.com/cucumber/messages-go/v16 v16.0.1
+	github.com/elastic/go-sysinfo v1.7.1
+	github.com/elastic/go-windows v1.0.1 // indirect
 	github.com/emersion/go-imap-appendlimit v0.0.0-20190308131241-25671c986a6a
-	github.com/emersion/go-imap-idle v0.0.0-20200601154248-f05f54664cc4
 	github.com/emersion/go-imap-move v0.0.0-20190710073258-6e5a51a5b342
-	github.com/emersion/go-imap-quota v0.0.0-20200423100218-dcfd1b7d2b41
-	github.com/emersion/go-imap-specialuse v0.0.0-20200722111535-598ff00e4075
+	github.com/emersion/go-imap-quota v0.0.0-20210203125329-619074823f3c
 	github.com/emersion/go-imap-unselect v0.0.0-20171113212723-b985794e5f26
-	github.com/emersion/go-mbox v1.0.0
-	github.com/emersion/go-message v0.12.1-0.20200903165315-e1abe21f389a
+	github.com/emersion/go-message v0.12.1-0.20201221184100-40c3f864532b
 	github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21
-	github.com/emersion/go-textwrapper v0.0.0-20160606182133-d0e65e56babe
+	github.com/emersion/go-smtp v0.14.0
+	github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594
 	github.com/emersion/go-vcard v0.0.0-20190105225839-8856043f13c5 // indirect
 	github.com/fatih/color v1.9.0
 	github.com/flynn-archive/go-shlex v0.0.0-20150515145356-3f9db97f8568 // indirect
-	github.com/getsentry/raven-go v0.2.0
-	github.com/go-resty/resty/v2 v2.3.0
+	github.com/getsentry/sentry-go v0.12.0
+	github.com/go-resty/resty/v2 v2.6.0
 	github.com/golang/mock v1.4.4
-	github.com/google/go-cmp v0.5.1
+	github.com/google/go-cmp v0.5.5
 	github.com/google/uuid v1.1.1
-	github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c // indirect
 	github.com/hashicorp/go-multierror v1.1.0
 	github.com/jaytaylor/html2text v0.0.0-20200412013138-3577fbdbcff7
-	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0
-	github.com/keybase/go-keychain v0.0.0-20200502122510-cda31fe0c86d
+	github.com/keybase/go-keychain v0.0.0-20211119201326-e02f34051621
+	github.com/kr/text v0.2.0 // indirect
 	github.com/logrusorgru/aurora v2.0.3+incompatible
 	github.com/mattn/go-runewidth v0.0.9 // indirect
-	github.com/miekg/dns v1.1.30
-	github.com/myesui/uuid v1.0.0 // indirect
+	github.com/miekg/dns v1.1.41
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/nsf/jsondiff v0.0.0-20200515183724-f29ed568f4ce
 	github.com/olekukonko/tablewriter v0.0.4 // indirect
 	github.com/pkg/errors v0.9.1
-	github.com/sirupsen/logrus v1.6.0
-	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966
+	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/ricochet2200/go-disk-usage/du v0.0.0-20210707232629-ac9918953285
+	github.com/sirupsen/logrus v1.7.0
 	github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf // indirect
-	github.com/stretchr/testify v1.6.1
+	github.com/stretchr/testify v1.7.0
 	github.com/therecipe/qt v0.0.0-20200701200531-7f61353ee73e
-	github.com/twinj/uuid v1.0.0 // indirect
-	github.com/urfave/cli v1.22.4
-	go.etcd.io/bbolt v1.3.5
-	golang.org/x/net v0.0.0-20200707034311-ab3426394381
-	golang.org/x/text v0.3.3
-	gopkg.in/stretchr/testify.v1 v1.2.2 // indirect
+	github.com/therecipe/qt/internal/binding/files/docs/5.12.0 v0.0.0-20200904063919-c0c124a5770d // indirect
+	github.com/therecipe/qt/internal/binding/files/docs/5.13.0 v0.0.0-20200904063919-c0c124a5770d // indirect
+	github.com/urfave/cli/v2 v2.2.0
+	github.com/vmihailenco/msgpack/v5 v5.1.3
+	go.etcd.io/bbolt v1.3.6
+	golang.org/x/net v0.0.0-20211008194852-3b03d305991f
+	golang.org/x/sys v0.0.0-20220111092808-5a964db01320
+	golang.org/x/text v0.3.7
+	howett.net/plist v1.0.0 // indirect
 )
 
 replace (
 	github.com/docker/docker-credential-helpers => github.com/ProtonMail/docker-credential-helpers v1.1.0
-	github.com/emersion/go-imap => github.com/ProtonMail/go-imap v0.0.0-20200828124548-d04b0dc1f399
-	github.com/emersion/go-mbox => github.com/ProtonMail/mbox v0.0.0-20200918064939-909a18c9af45
-	github.com/emersion/go-smtp => github.com/ProtonMail/go-smtp v0.0.0-20181206232543-8261df20d309
-	github.com/jameskeane/bcrypt => github.com/ProtonMail/bcrypt v0.0.0-20170924085257-7509ea014998
-	golang.org/x/crypto => github.com/ProtonMail/crypto v0.0.0-20200416114516-1fa7f403fb9c
+	github.com/emersion/go-imap => github.com/ProtonMail/go-imap v0.0.0-20201228133358-4db68cea0cac
+	github.com/emersion/go-message => github.com/ProtonMail/go-message v0.0.0-20210611055058-fabeff2ec753
+	github.com/jameskeane/bcrypt => github.com/ProtonMail/bcrypt v0.0.0-20210511135022-227b4adcab57
 )

go.sum

@@ -1,160 +1,404 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/0xAX/notificator v0.0.0-20191016112426-3962a5ea8da1 h1:j9HaafapDbPbGRDku6e/HRs6KBMcKHiWcm1/9Sbxnl4=
 github.com/0xAX/notificator v0.0.0-20191016112426-3962a5ea8da1/go.mod h1:NtXa9WwQsukMHZpjNakTTz0LArxvGYdPA9CjIcUSZ6s=
+github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3QEww=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/CloudyKit/fastprinter v0.0.0-20200109182630-33d98a066a53/go.mod h1:+3IMCy2vIlbG1XG/0ggNQv0SvxCAIpPM5b1nCz56Xno=
+github.com/CloudyKit/jet/v3 v3.0.0/go.mod h1:HKQPgSJmdK8hdoAbKUUWajkHyHo4RaU5rMdUywE7VMo=
+github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
 github.com/Masterminds/semver/v3 v3.1.0 h1:Y2lUDsFKVRSYGojLJ1yLxSXdMmMYTYls0rCvoqmMUQk=
 github.com/Masterminds/semver/v3 v3.1.0/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
-github.com/ProtonMail/bcrypt v0.0.0-20170924085257-7509ea014998 h1:YT2uVwQiRQZxCaaahwfcgTq2j3j66w00n/27gb/zubs=
-github.com/ProtonMail/bcrypt v0.0.0-20170924085257-7509ea014998/go.mod h1:HecWFHognK8GfRDGnFQbW/LiV7A3MX3gZVs45vk5h8I=
-github.com/ProtonMail/crypto v0.0.0-20200416114516-1fa7f403fb9c h1:DAvlgde2Stu18slmjwikiMPs/CKPV35wSvmJS34z0FU=
-github.com/ProtonMail/crypto v0.0.0-20200416114516-1fa7f403fb9c/go.mod h1:Pxr7w4gA2ikI4sWyYwEffm+oew1WAJHzG1SiDpQMkrI=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
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 github.com/ProtonMail/docker-credential-helpers v1.1.0 h1:+kvUIpwWcbtP3WFv5sSvkFn/XLzSqPOB5AAthuk9xPk=
 github.com/ProtonMail/docker-credential-helpers v1.1.0/go.mod h1:mK0aBveCxhnQ756AmaTfXMZDeULvheYVhF/MWMErN5g=
-github.com/ProtonMail/go-appdir v1.1.0 h1:9hdNDlU9kTqRKVNzmoqah8qqrj5QZyLByQdwQNlFWig=
-github.com/ProtonMail/go-appdir v1.1.0/go.mod h1:3d8Y9F5mbEUjrYbcJ3rcDxcWbqbttF+011nVZmdRdzc=
-github.com/ProtonMail/go-apple-mobileconfig v0.0.0-20160701194735-7ea9927a11f6 h1:YsSJ/mvZFYydQm/hRrt8R8UtgETixN2y3LK98f5LT60=
-github.com/ProtonMail/go-apple-mobileconfig v0.0.0-20160701194735-7ea9927a11f6/go.mod h1:EtDfBMIDWmVe4viZCuBTEfe3OIIo0ghbpOaAZVO+hVg=
 github.com/ProtonMail/go-autostart v0.0.0-20181114175602-c5272053443a h1:fXK2KsfnkBV9Nh+9SKzHchYjuE9s0vI20JG1mbtEAcc=
 github.com/ProtonMail/go-autostart v0.0.0-20181114175602-c5272053443a/go.mod h1:oTGdE7/DlWIr23G0IKW3OXK9wZ5Hw1GGiaJFccTvZi4=
-github.com/ProtonMail/go-imap v0.0.0-20200828124548-d04b0dc1f399 h1:wBo/Xgb/Dn2loU47D+PJaOoIZ67i3AqYp51gLn8YE5U=
-github.com/ProtonMail/go-imap v0.0.0-20200828124548-d04b0dc1f399/go.mod h1:yKASt+C3ZiDAiCSssxg9caIckWF/JG7ZQTO7GAmvicU=
+github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7/go.mod h1:z4/9nQmJSSwwds7ejkxaJwO37dru3geImFUdJlaLzQo=
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 github.com/ProtonMail/go-imap-id v0.0.0-20190926060100-f94a56b9ecde h1:5koQozTDELymYOyFbQ/VSubexAEXzDR8qGM5mO8GRdw=
 github.com/ProtonMail/go-imap-id v0.0.0-20190926060100-f94a56b9ecde/go.mod h1:795VPXcRUIQ9JyMNHP4el582VokQfippgjkQP3Gk0r0=
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 github.com/ProtonMail/go-mime v0.0.0-20190923161245-9b5a4261663a h1:W6RrgN/sTxg1msqzFFb+G80MFmpjMw61IU+slm+wln4=
 github.com/ProtonMail/go-mime v0.0.0-20190923161245-9b5a4261663a/go.mod h1:NYt+V3/4rEeDuaev/zw1zCq8uqVEuPHzDPo3OZrlGJ4=
-github.com/ProtonMail/go-smtp v0.0.0-20181206232543-8261df20d309 h1:2pzfKjhBjSnw3BgmfTYRFQr1rFGxhfhUY0KKkg+RYxE=
-github.com/ProtonMail/go-smtp v0.0.0-20181206232543-8261df20d309/go.mod h1:6UoBvDAMA/cTBwS3Y7tGpKnY5RH1F1uYHschT6eqAkI=
+github.com/ProtonMail/go-rfc5322 v0.8.0 h1:7emrf75n3CDIduQflx7aT1nJa5h/kGsiFKUYX/+IAkU=
+github.com/ProtonMail/go-rfc5322 v0.8.0/go.mod h1:BwpTbkJxkMGkc+pC84AXZnwuWOisEULBpfPIyIKS/Us=
+github.com/ProtonMail/go-srp v0.0.1 h1:J0O9Zb5XTC6iDrB7feH41cu+TUEB+l7uHctXIK6oS2o=
+github.com/ProtonMail/go-srp v0.0.1/go.mod h1:Uvv5cqSGCs8MTZ8sbKiCkBnaB6/OA3eq2mc77tl2VVA=
 github.com/ProtonMail/go-vcard v0.0.0-20180326232728-33aaa0a0c8a5 h1:Uga1DHFN4GUxuDQr0F71tpi8I9HqPIlZodZAI1lR6VQ=
 github.com/ProtonMail/go-vcard v0.0.0-20180326232728-33aaa0a0c8a5/go.mod h1:oeP9CMN+ajWp5jKp1kue5daJNwMMxLF+ujPaUIoJWlA=
-github.com/ProtonMail/gopenpgp/v2 v2.0.1 h1:x0uvDhry5WzoHeJO4J3dgMLhG4Z9PeBJ2O+sDOY0LcU=
-github.com/ProtonMail/gopenpgp/v2 v2.0.1/go.mod h1:wQQCJo7DURO6S9VwH+kSDEYs/B63yZnAEfGlOg8YNBY=
-github.com/ProtonMail/mbox v0.0.0-20200918064939-909a18c9af45 h1:GDh55hDI2sNiirDqEWV8b6EB729u78Qxu3nKF970n6g=
-github.com/ProtonMail/mbox v0.0.0-20200918064939-909a18c9af45/go.mod h1:Yp9IVuuOYLEuMv4yjgDHvhb5mHOcYH6x92Oas3QqEZI=
+github.com/ProtonMail/gopenpgp/v2 v2.4.1 h1:b3El0zabaKi73u4sRnb3hOOUczuKuYpN8wnp7wRsZSc=
+github.com/ProtonMail/gopenpgp/v2 v2.4.1/go.mod h1:RFjoVjfhV8f78tjz/fLrp/OXkugL3QmWsiJq/fsQYA4=
 github.com/PuerkitoBio/goquery v1.5.1 h1:PSPBGne8NIUWw+/7vFBV+kG2J/5MOjbzc7154OaKCSE=
 github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
+github.com/Shopify/goreferrer v0.0.0-20181106222321-ec9c9a553398/go.mod h1:a1uqRtAwp2Xwc6WNPJEufxJ7fx3npB4UV/JOLmbu5I0=
 github.com/abiosoft/ishell v2.0.0+incompatible h1:zpwIuEHc37EzrsIYah3cpevrIc8Oma7oZPxr03tlmmw=
 github.com/abiosoft/ishell v2.0.0+incompatible/go.mod h1:HQR9AqF2R3P4XXpMpI0NAzgHf/aS6+zVXRj14cVk9qg=
 github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db h1:CjPUSXOiYptLbTdr1RceuZgSFDQ7U15ITERUGrUORx8=
 github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db/go.mod h1:rB3B4rKii8V21ydCbIzH5hZiCQE7f5E9SzUb/ZZx530=
+github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/allan-simon/go-singleinstance v0.0.0-20160830203053-79edcfdc2dfc h1:mZca0/HZ/XWXP9txkfdl2GH6mUzBqAlyJz3u5Lg8fuA=
 github.com/allan-simon/go-singleinstance v0.0.0-20160830203053-79edcfdc2dfc/go.mod h1:qqsTQiwdyqxU05iDCsi0oN3P4nrVxAmn8xCtODDSf/U=
 github.com/andybalholm/cascadia v1.1.0 h1:BuuO6sSfQNFRu1LppgbD25Hr2vLYW25JvxHs5zzsLTo=
 github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
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+google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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-gopkg.in/stretchr/testify.v1 v1.2.2/go.mod h1:QI5V/q6UbPmuhtm10CaFZxED9NreB8PnFYN9JcR6TxU=
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+gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
+gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
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+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
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+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
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 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+howett.net/plist v0.0.0-20181124034731-591f970eefbb/go.mod h1:vMygbs4qMhSZSc4lCUl2OEE+rDiIIJAIdR4m7MiMcm0=
+howett.net/plist v1.0.0 h1:7CrbWYbPPO/PyNy38b2EB/+gYbjCe2DXBxgtOOZbSQM=
+howett.net/plist v1.0.0/go.mod h1:lqaXoTrLY4hg8tnEzNru53gicrbv7rrk+2xJA/7hw9g=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

internal/api/api.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -22,14 +22,12 @@
 package api
 
 import (
-	"crypto/tls"
 	"fmt"
 	"net/http"
 
 	"github.com/ProtonMail/proton-bridge/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
 	"github.com/ProtonMail/proton-bridge/internal/events"
-	"github.com/ProtonMail/proton-bridge/internal/preferences"
-	"github.com/ProtonMail/proton-bridge/pkg/config"
 	"github.com/ProtonMail/proton-bridge/pkg/listener"
 	"github.com/ProtonMail/proton-bridge/pkg/ports"
 	"github.com/sirupsen/logrus"
@@ -41,21 +39,15 @@ var (
 
 type apiServer struct {
 	host          string
-	pref          *config.Preferences
-	tls           *tls.Config
-	certPath      string
-	keyPath       string
+	settings      *settings.Settings
 	eventListener listener.Listener
 }
 
 // NewAPIServer returns prepared API server struct.
-func NewAPIServer(pref *config.Preferences, tls *tls.Config, certPath, keyPath string, eventListener listener.Listener) *apiServer { //nolint[golint]
+func NewAPIServer(settings *settings.Settings, eventListener listener.Listener) *apiServer { //nolint[golint]
 	return &apiServer{
 		host:          bridge.Host,
-		pref:          pref,
-		tls:           tls,
-		certPath:      certPath,
-		keyPath:       keyPath,
+		settings:      settings,
 		eventListener: eventListener,
 	}
 }
@@ -67,14 +59,12 @@ func (api *apiServer) ListenAndServe() {
 
 	addr := api.getAddress()
 	server := &http.Server{
-		Addr:         addr,
-		Handler:      mux,
-		TLSConfig:    api.tls,
-		TLSNextProto: make(map[string]func(*http.Server, *tls.Conn, http.Handler)),
+		Addr:    addr,
+		Handler: mux,
 	}
 
 	log.Info("API listening at ", addr)
-	if err := server.ListenAndServeTLS(api.certPath, api.keyPath); err != nil {
+	if err := server.ListenAndServe(); err != nil {
 		api.eventListener.Emit(events.ErrorEvent, "API failed: "+err.Error())
 		log.Error("API failed: ", err)
 	}
@@ -82,10 +72,10 @@ func (api *apiServer) ListenAndServe() {
 }
 
 func (api *apiServer) getAddress() string {
-	port := api.pref.GetInt(preferences.APIPortKey)
+	port := api.settings.GetInt(settings.APIPortKey)
 	newPort := ports.FindFreePortFrom(port)
 	if newPort != port {
-		api.pref.SetInt(preferences.APIPortKey, newPort)
+		api.settings.SetInt(settings.APIPortKey, newPort)
 	}
 	return getAPIAddress(api.host, newPort)
 }

internal/api/ctx.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //

internal/api/focus.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -18,7 +18,6 @@
 package api
 
 import (
-	"crypto/tls"
 	"fmt"
 	"net/http"
 
@@ -37,12 +36,9 @@ func focusHandler(ctx handlerContext) error {
 
 // CheckOtherInstanceAndFocus is helper for new instances to check if there is
 // already a running instance and get it's focus.
-func CheckOtherInstanceAndFocus(port int, tls *tls.Config) error {
-	transport := &http.Transport{TLSClientConfig: tls}
-	client := &http.Client{Transport: transport}
-
+func CheckOtherInstanceAndFocus(port int) error {
 	addr := getAPIAddress(bridge.Host, port)
-	resp, err := client.Get("https://" + addr + "/focus")
+	resp, err := (&http.Client{}).Get("http://" + addr + "/focus")
 	if err != nil {
 		return err
 	}

internal/app/base/args.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -15,21 +15,21 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-package cmd
+package base
 
-import (
-	"os"
-	"strings"
-)
+import "strings"
 
-// filterProcessSerialNumberFromArgs removes additional flag from MacOS. More info ProcessSerialNumber
+// StripProcessSerialNumber removes additional flag from macOS.
+// More info:
 // http://mirror.informatimago.com/next/developer.apple.com/documentation/Carbon/Reference/Process_Manager/prmref_main/data_type_5.html#//apple_ref/doc/uid/TP30000208/C001951
-func filterProcessSerialNumberFromArgs() {
-	tmp := os.Args[:0]
-	for _, arg := range os.Args {
+func StripProcessSerialNumber(args []string) []string {
+	res := args[:0]
+
+	for _, arg := range args {
 		if !strings.Contains(arg, "-psn_") {
-			tmp = append(tmp, arg)
+			res = append(res, arg)
 		}
 	}
-	os.Args = tmp
+
+	return res
 }

internal/app/base/base.go

@@ -0,0 +1,401 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// Package base implements a common application base currently shared by bridge and IE.
+// The base includes the following:
+//  - access to standard filesystem locations like config, cache, logging dirs
+//  - an extensible crash handler
+//  - versioned cache directory
+//  - persistent settings
+//  - event listener
+//  - credentials store
+//  - pmapi Manager
+// In addition, the base initialises logging and reacts to command line arguments
+// which control the log verbosity and enable cpu/memory profiling.
+package base
+
+import (
+	"math/rand"
+	"os"
+	"path/filepath"
+	"runtime"
+	"runtime/pprof"
+	"time"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/go-autostart"
+	"github.com/ProtonMail/gopenpgp/v2/crypto"
+	"github.com/ProtonMail/proton-bridge/internal/api"
+	"github.com/ProtonMail/proton-bridge/internal/config/cache"
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
+	"github.com/ProtonMail/proton-bridge/internal/config/tls"
+	"github.com/ProtonMail/proton-bridge/internal/config/useragent"
+	"github.com/ProtonMail/proton-bridge/internal/constants"
+	"github.com/ProtonMail/proton-bridge/internal/cookies"
+	"github.com/ProtonMail/proton-bridge/internal/crash"
+	"github.com/ProtonMail/proton-bridge/internal/events"
+	"github.com/ProtonMail/proton-bridge/internal/locations"
+	"github.com/ProtonMail/proton-bridge/internal/logging"
+	"github.com/ProtonMail/proton-bridge/internal/sentry"
+	"github.com/ProtonMail/proton-bridge/internal/updater"
+	"github.com/ProtonMail/proton-bridge/internal/users/credentials"
+	"github.com/ProtonMail/proton-bridge/internal/versioner"
+	"github.com/ProtonMail/proton-bridge/pkg/keychain"
+	"github.com/ProtonMail/proton-bridge/pkg/listener"
+	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
+	"github.com/allan-simon/go-singleinstance"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v2"
+)
+
+const (
+	flagCPUProfile      = "cpu-prof"
+	flagCPUProfileShort = "p"
+	flagMemProfile      = "mem-prof"
+	flagMemProfileShort = "m"
+	flagLogLevel        = "log-level"
+	flagLogLevelShort   = "l"
+	// FlagCLI indicate to start with command line interface.
+	FlagCLI      = "cli"
+	flagCLIShort = "c"
+	flagRestart  = "restart"
+	FlagLauncher = "launcher"
+	FlagNoWindow = "no-window"
+)
+
+type Base struct {
+	SentryReporter *sentry.Reporter
+	CrashHandler   *crash.Handler
+	Locations      *locations.Locations
+	Settings       *settings.Settings
+	Lock           *os.File
+	Cache          *cache.Cache
+	Listener       listener.Listener
+	Creds          *credentials.Store
+	CM             pmapi.Manager
+	CookieJar      *cookies.Jar
+	UserAgent      *useragent.UserAgent
+	Updater        *updater.Updater
+	Versioner      *versioner.Versioner
+	TLS            *tls.TLS
+	Autostart      *autostart.App
+
+	Name    string // the app's name
+	usage   string // the app's usage description
+	command string // the command used to launch the app (either the exe path or the launcher path)
+	restart bool   // whether the app is currently set to restart
+
+	teardown []func() error // actions to perform when app is exiting
+}
+
+func New( // nolint[funlen]
+	appName,
+	appUsage,
+	configName,
+	updateURLName,
+	keychainName,
+	cacheVersion string,
+) (*Base, error) {
+	userAgent := useragent.New()
+
+	sentryReporter := sentry.NewReporter(appName, constants.Version, userAgent)
+
+	crashHandler := crash.NewHandler(
+		sentryReporter.ReportException,
+		crash.ShowErrorNotification(appName),
+	)
+	defer crashHandler.HandlePanic()
+
+	rand.Seed(time.Now().UnixNano())
+	os.Args = StripProcessSerialNumber(os.Args)
+
+	locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, configName))
+	if err != nil {
+		return nil, err
+	}
+
+	locations := locations.New(locationsProvider, configName)
+
+	logsPath, err := locations.ProvideLogsPath()
+	if err != nil {
+		return nil, err
+	}
+	if err := logging.Init(logsPath); err != nil {
+		return nil, err
+	}
+	crashHandler.AddRecoveryAction(logging.DumpStackTrace(logsPath))
+
+	if err := migrateFiles(configName); err != nil {
+		logrus.WithError(err).Warn("Old config files could not be migrated")
+	}
+
+	if err := locations.Clean(); err != nil {
+		return nil, err
+	}
+
+	settingsPath, err := locations.ProvideSettingsPath()
+	if err != nil {
+		return nil, err
+	}
+	settingsObj := settings.New(settingsPath)
+
+	lock, err := singleinstance.CreateLockFile(locations.GetLockFile())
+	if err != nil {
+		logrus.Warnf("%v is already running", appName)
+		return nil, api.CheckOtherInstanceAndFocus(settingsObj.GetInt(settings.APIPortKey))
+	}
+
+	cachePath, err := locations.ProvideCachePath()
+	if err != nil {
+		return nil, err
+	}
+	cache, err := cache.New(cachePath, cacheVersion)
+	if err != nil {
+		return nil, err
+	}
+	if err := cache.RemoveOldVersions(); err != nil {
+		return nil, err
+	}
+
+	listener := listener.New()
+	events.SetupEvents(listener)
+
+	// If we can't load the keychain for whatever reason,
+	// we signal to frontend and supply a dummy keychain that always returns errors.
+	kc, err := keychain.NewKeychain(settingsObj, keychainName)
+	if err != nil {
+		listener.Emit(events.CredentialsErrorEvent, err.Error())
+		kc = keychain.NewMissingKeychain()
+	}
+
+	cfg := pmapi.NewConfig(configName, constants.Version)
+	cfg.GetUserAgent = userAgent.String
+	cfg.UpgradeApplicationHandler = func() { listener.Emit(events.UpgradeApplicationEvent, "") }
+	cfg.TLSIssueHandler = func() { listener.Emit(events.TLSCertIssue, "") }
+
+	cm := pmapi.New(cfg)
+
+	sentryReporter.SetClientFromManager(cm)
+
+	cm.AddConnectionObserver(pmapi.NewConnectionObserver(
+		func() { listener.Emit(events.InternetOffEvent, "") },
+		func() { listener.Emit(events.InternetOnEvent, "") },
+	))
+
+	jar, err := cookies.NewCookieJar(settingsObj)
+	if err != nil {
+		return nil, err
+	}
+
+	cm.SetCookieJar(jar)
+
+	key, err := crypto.NewKeyFromArmored(updater.DefaultPublicKey)
+	if err != nil {
+		return nil, err
+	}
+
+	kr, err := crypto.NewKeyRing(key)
+	if err != nil {
+		return nil, err
+	}
+
+	updatesDir, err := locations.ProvideUpdatesPath()
+	if err != nil {
+		return nil, err
+	}
+
+	versioner := versioner.New(updatesDir)
+	installer := updater.NewInstaller(versioner)
+	updater := updater.New(
+		cm,
+		installer,
+		settingsObj,
+		kr,
+		semver.MustParse(constants.Version),
+		updateURLName,
+		runtime.GOOS,
+	)
+
+	exe, err := os.Executable()
+	if err != nil {
+		return nil, err
+	}
+
+	autostart := &autostart.App{
+		Name:        appName,
+		DisplayName: appName,
+		Exec:        []string{exe, "--" + FlagNoWindow},
+	}
+
+	return &Base{
+		SentryReporter: sentryReporter,
+		CrashHandler:   crashHandler,
+		Locations:      locations,
+		Settings:       settingsObj,
+		Lock:           lock,
+		Cache:          cache,
+		Listener:       listener,
+		Creds:          credentials.NewStore(kc),
+		CM:             cm,
+		CookieJar:      jar,
+		UserAgent:      userAgent,
+		Updater:        updater,
+		Versioner:      versioner,
+		TLS:            tls.New(settingsPath),
+		Autostart:      autostart,
+
+		Name:  appName,
+		usage: appUsage,
+
+		// By default, the command is the app's executable.
+		// This can be changed at runtime by using the "--launcher" flag.
+		command: exe,
+	}, nil
+}
+
+func (b *Base) NewApp(mainLoop func(*Base, *cli.Context) error) *cli.App {
+	app := cli.NewApp()
+
+	app.Name = b.Name
+	app.Usage = b.usage
+	app.Version = constants.Version
+	app.Action = b.wrapMainLoop(mainLoop)
+	app.Flags = []cli.Flag{
+		&cli.BoolFlag{
+			Name:    flagCPUProfile,
+			Aliases: []string{flagCPUProfileShort},
+			Usage:   "Generate CPU profile",
+		},
+		&cli.BoolFlag{
+			Name:    flagMemProfile,
+			Aliases: []string{flagMemProfileShort},
+			Usage:   "Generate memory profile",
+		},
+		&cli.StringFlag{
+			Name:    flagLogLevel,
+			Aliases: []string{flagLogLevelShort},
+			Usage:   "Set the log level (one of panic, fatal, error, warn, info, debug)",
+		},
+		&cli.BoolFlag{
+			Name:    FlagCLI,
+			Aliases: []string{flagCLIShort},
+			Usage:   "Use command line interface",
+		},
+		&cli.BoolFlag{
+			Name:  FlagNoWindow,
+			Usage: "Don't show window after start",
+		},
+		&cli.StringFlag{
+			Name:   flagRestart,
+			Usage:  "The number of times the application has already restarted",
+			Hidden: true,
+		},
+		&cli.StringFlag{
+			Name:   FlagLauncher,
+			Usage:  "The launcher to use to restart the application",
+			Hidden: true,
+		},
+	}
+
+	return app
+}
+
+// SetToRestart sets the app to restart the next time it is closed.
+func (b *Base) SetToRestart() {
+	b.restart = true
+}
+
+// AddTeardownAction adds an action to perform during app teardown.
+func (b *Base) AddTeardownAction(fn func() error) {
+	b.teardown = append(b.teardown, fn)
+}
+
+func (b *Base) wrapMainLoop(appMainLoop func(*Base, *cli.Context) error) cli.ActionFunc { // nolint[funlen]
+	return func(c *cli.Context) error {
+		defer b.CrashHandler.HandlePanic()
+		defer func() { _ = b.Lock.Close() }()
+
+		// If launcher was used to start the app, use that for restart
+		// and autostart.
+		if launcher := c.String(FlagLauncher); launcher != "" {
+			b.command = launcher
+			// Bridge supports no-window option which we should use
+			// for autostart.
+			b.Autostart.Exec = []string{launcher, "--" + FlagNoWindow}
+		}
+
+		if c.Bool(flagCPUProfile) {
+			startCPUProfile()
+			defer pprof.StopCPUProfile()
+		}
+
+		if c.Bool(flagMemProfile) {
+			defer makeMemoryProfile()
+		}
+
+		logging.SetLevel(c.String(flagLogLevel))
+		b.CM.SetLogging(logrus.WithField("pkg", "pmapi"), logrus.GetLevel() == logrus.TraceLevel)
+
+		logrus.
+			WithField("appName", b.Name).
+			WithField("version", constants.Version).
+			WithField("revision", constants.Revision).
+			WithField("build", constants.BuildTime).
+			WithField("runtime", runtime.GOOS).
+			WithField("args", os.Args).
+			Info("Run app")
+
+		b.CrashHandler.AddRecoveryAction(func(interface{}) error {
+			sentry.Flush(2 * time.Second)
+
+			if c.Int(flagRestart) > maxAllowedRestarts {
+				logrus.
+					WithField("restart", c.Int("restart")).
+					Warn("Not restarting, already restarted too many times")
+				os.Exit(1)
+
+				return nil
+			}
+
+			return b.restartApp(true)
+		})
+
+		if err := appMainLoop(b, c); err != nil {
+			return err
+		}
+
+		if err := b.doTeardown(); err != nil {
+			return err
+		}
+
+		if b.restart {
+			return b.restartApp(false)
+		}
+
+		return nil
+	}
+}
+
+func (b *Base) doTeardown() error {
+	for _, action := range b.teardown {
+		if err := action(); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

internal/app/base/migration.go

@@ -0,0 +1,131 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package base
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/ProtonMail/proton-bridge/internal/constants"
+	"github.com/ProtonMail/proton-bridge/internal/locations"
+	"github.com/sirupsen/logrus"
+)
+
+// migrateFiles migrates files from their old (pre-refactor) locations to their new locations.
+// We can remove this eventually.
+//
+// | entity    |               old location                |            new location                |
+// |-----------|-------------------------------------------|----------------------------------------|
+// | prefs     | ~/.cache/protonmail/<app>/c11/prefs.json  | ~/.config/protonmail/<app>/prefs.json  |
+// | c11 1.5.x | ~/.cache/protonmail/<app>/c11             | ~/.cache/protonmail/<app>/cache/c11    |
+// | c11 1.6.x | ~/.cache/protonmail/<app>/cache/c11       | ~/.config/protonmail/<app>/cache/c11   |
+// | updates   | ~/.cache/protonmail/<app>/updates         | ~/.config/protonmail/<app>/updates     |.
+func migrateFiles(configName string) error {
+	locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, configName))
+	if err != nil {
+		return err
+	}
+
+	locations := locations.New(locationsProvider, configName)
+	userCacheDir := locationsProvider.UserCache()
+
+	if err := migratePrefsFrom15x(locations, userCacheDir); err != nil {
+		return err
+	}
+	if err := migrateCacheFromBoth15xAnd16x(locations, userCacheDir); err != nil {
+		return err
+	}
+	if err := migrateUpdatesFrom16x(configName, locations); err != nil { //nolint[revive] It is more clear to structure this way
+		return err
+	}
+	return nil
+}
+
+func migratePrefsFrom15x(locations *locations.Locations, userCacheDir string) error {
+	newSettingsDir, err := locations.ProvideSettingsPath()
+	if err != nil {
+		return err
+	}
+
+	return moveIfExists(
+		filepath.Join(userCacheDir, "c11", "prefs.json"),
+		filepath.Join(newSettingsDir, "prefs.json"),
+	)
+}
+
+func migrateCacheFromBoth15xAnd16x(locations *locations.Locations, userCacheDir string) error {
+	olderCacheDir := userCacheDir
+	newerCacheDir := locations.GetOldCachePath()
+	latestCacheDir, err := locations.ProvideCachePath()
+	if err != nil {
+		return err
+	}
+
+	// Migration for versions before 1.6.x.
+	if err := moveIfExists(
+		filepath.Join(olderCacheDir, "c11"),
+		filepath.Join(latestCacheDir, "c11"),
+	); err != nil {
+		return err
+	}
+
+	// Migration for versions 1.6.x.
+	return moveIfExists(
+		filepath.Join(newerCacheDir, "c11"),
+		filepath.Join(latestCacheDir, "c11"),
+	)
+}
+
+func migrateUpdatesFrom16x(configName string, locations *locations.Locations) error {
+	// In order to properly update Bridge 1.6.X and higher we need to
+	// change the launcher first. Since this is not part of automatic
+	// updates the migration must wait until manual update. Until that
+	// we need to keep old path.
+	if configName == "bridge" {
+		return nil
+	}
+
+	oldUpdatesPath := locations.GetOldUpdatesPath()
+	// Do not use ProvideUpdatesPath, that creates dir right away.
+	newUpdatesPath := locations.GetUpdatesPath()
+
+	return moveIfExists(oldUpdatesPath, newUpdatesPath)
+}
+
+func moveIfExists(source, destination string) error {
+	l := logrus.WithField("source", source).WithField("destination", destination)
+
+	if _, err := os.Stat(source); os.IsNotExist(err) {
+		l.Info("No need to migrate file, source doesn't exist")
+		return nil
+	}
+
+	if _, err := os.Stat(destination); !os.IsNotExist(err) {
+		// Once migrated, files should not stay in source anymore. Therefore
+		// if some files are still in source location but target already exist,
+		// it's suspicious. Could happen by installing new version, then the
+		// old one because of some reason, and then the new one again.
+		// Good to see as warning because it could be a reason why Bridge is
+		// behaving weirdly, like wrong configuration, or db re-sync and so on.
+		l.Warn("No need to migrate file, target already exists")
+		return nil
+	}
+
+	l.Info("Migrating files")
+	return os.Rename(source, destination)
+}

internal/app/base/profiling.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -15,40 +15,42 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-package cmd
+package base
 
 import (
 	"os"
 	"path/filepath"
 	"runtime"
 	"runtime/pprof"
+
+	"github.com/sirupsen/logrus"
 )
 
-// StartCPUProfile starts CPU pprof.
-func StartCPUProfile() {
+// startCPUProfile starts CPU pprof.
+func startCPUProfile() {
 	f, err := os.Create("./cpu.pprof")
 	if err != nil {
-		log.Fatal("Could not create CPU profile: ", err)
+		logrus.Fatal("Could not create CPU profile: ", err)
 	}
 	if err := pprof.StartCPUProfile(f); err != nil {
-		log.Fatal("Could not start CPU profile: ", err)
+		logrus.Fatal("Could not start CPU profile: ", err)
 	}
 }
 
-// MakeMemoryProfile generates memory pprof.
-func MakeMemoryProfile() {
+// makeMemoryProfile generates memory pprof.
+func makeMemoryProfile() {
 	name := "./mem.pprof"
 	f, err := os.Create(name)
 	if err != nil {
-		log.Fatal("Could not create memory profile: ", err)
+		logrus.Fatal("Could not create memory profile: ", err)
 	}
 	if abs, err := filepath.Abs(name); err == nil {
 		name = abs
 	}
-	log.Info("Writing memory profile to ", name)
+	logrus.Info("Writing memory profile to ", name)
 	runtime.GC() // get up-to-date statistics
 	if err := pprof.WriteHeapProfile(f); err != nil {
-		log.Fatal("Could not write memory profile: ", err)
+		logrus.Fatal("Could not write memory profile: ", err)
 	}
 	_ = f.Close()
 }

internal/app/base/restart.go

@@ -0,0 +1,80 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package base
+
+import (
+	"os"
+	"os/exec"
+	"strconv"
+
+	"github.com/sirupsen/logrus"
+)
+
+// maxAllowedRestarts controls after how many crashes the app will give up restarting.
+const maxAllowedRestarts = 10
+
+func (b *Base) restartApp(crash bool) error {
+	var args []string
+
+	if crash {
+		args = incrementRestartFlag(os.Args)[1:]
+		defer func() { os.Exit(1) }()
+	} else {
+		args = os.Args[1:]
+	}
+
+	logrus.
+		WithField("command", b.command).
+		WithField("args", args).
+		Warn("Restarting")
+
+	return exec.Command(b.command, args...).Start() // nolint[gosec]
+}
+
+// incrementRestartFlag increments the value of the restart flag.
+// If no such flag is present, it is added with initial value 1.
+func incrementRestartFlag(args []string) []string {
+	res := append([]string{}, args...)
+
+	hasFlag := false
+
+	for k, v := range res {
+		if v != "--restart" {
+			continue
+		}
+
+		hasFlag = true
+
+		if k+1 >= len(res) {
+			continue
+		}
+
+		n, err := strconv.Atoi(res[k+1])
+		if err != nil {
+			res[k+1] = "1"
+		} else {
+			res[k+1] = strconv.Itoa(n + 1)
+		}
+	}
+
+	if !hasFlag {
+		res = append(res, "--restart", "1")
+	}
+
+	return res
+}

internal/app/base/restart_test.go

@@ -0,0 +1,49 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package base
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIncrementRestartFlag(t *testing.T) {
+	var tests = []struct {
+		in  []string
+		out []string
+	}{
+		{[]string{"./bridge", "--restart", "1"}, []string{"./bridge", "--restart", "2"}},
+		{[]string{"./bridge", "--restart", "2"}, []string{"./bridge", "--restart", "3"}},
+		{[]string{"./bridge", "--other", "--restart", "2"}, []string{"./bridge", "--other", "--restart", "3"}},
+		{[]string{"./bridge", "--restart", "2", "--other"}, []string{"./bridge", "--restart", "3", "--other"}},
+		{[]string{"./bridge", "--restart", "2", "--other", "2"}, []string{"./bridge", "--restart", "3", "--other", "2"}},
+		{[]string{"./bridge"}, []string{"./bridge", "--restart", "1"}},
+		{[]string{"./bridge", "--something"}, []string{"./bridge", "--something", "--restart", "1"}},
+		{[]string{"./bridge", "--something", "--else"}, []string{"./bridge", "--something", "--else", "--restart", "1"}},
+		{[]string{"./bridge", "--restart", "bad"}, []string{"./bridge", "--restart", "1"}},
+		{[]string{"./bridge", "--restart", "bad", "--other"}, []string{"./bridge", "--restart", "1", "--other"}},
+	}
+
+	for _, tt := range tests {
+		t.Run(strings.Join(tt.in, " "), func(t *testing.T) {
+			assert.Equal(t, tt.out, incrementRestartFlag(tt.in))
+		})
+	}
+}

internal/app/bridge/bridge.go

@@ -0,0 +1,314 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// Package bridge implements the bridge CLI application.
+package bridge
+
+import (
+	"crypto/tls"
+	"time"
+
+	"github.com/ProtonMail/proton-bridge/internal/api"
+	"github.com/ProtonMail/proton-bridge/internal/app/base"
+	pkgBridge "github.com/ProtonMail/proton-bridge/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
+	pkgTLS "github.com/ProtonMail/proton-bridge/internal/config/tls"
+	"github.com/ProtonMail/proton-bridge/internal/constants"
+	"github.com/ProtonMail/proton-bridge/internal/frontend"
+	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
+	"github.com/ProtonMail/proton-bridge/internal/imap"
+	"github.com/ProtonMail/proton-bridge/internal/smtp"
+	"github.com/ProtonMail/proton-bridge/internal/store"
+	"github.com/ProtonMail/proton-bridge/internal/store/cache"
+	"github.com/ProtonMail/proton-bridge/internal/updater"
+	"github.com/ProtonMail/proton-bridge/pkg/message"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v2"
+)
+
+const (
+	flagLogIMAP        = "log-imap"
+	flagLogSMTP        = "log-smtp"
+	flagNonInteractive = "noninteractive"
+
+	// Memory cache was estimated by empirical usage in past and it was set to 100MB.
+	// NOTE: This value must not be less than maximal size of one email (~30MB).
+	inMemoryCacheLimnit = 100 * (1 << 20)
+)
+
+func New(base *base.Base) *cli.App {
+	app := base.NewApp(mailLoop)
+
+	app.Flags = append(app.Flags, []cli.Flag{
+		&cli.StringFlag{
+			Name:  flagLogIMAP,
+			Usage: "Enable logging of IMAP communications (all|client|server) (may contain decrypted data!)"},
+		&cli.BoolFlag{
+			Name:  flagLogSMTP,
+			Usage: "Enable logging of SMTP communications (may contain decrypted data!)"},
+		&cli.BoolFlag{
+			Name:  flagNonInteractive,
+			Usage: "Start Bridge entirely noninteractively"},
+	}...)
+
+	return app
+}
+
+func mailLoop(b *base.Base, c *cli.Context) error { // nolint[funlen]
+	tlsConfig, err := loadTLSConfig(b)
+	if err != nil {
+		return err
+	}
+
+	// GODT-1481: Always turn off reporting of unencrypted recipient in v2.
+	b.Settings.SetBool(settings.ReportOutgoingNoEncKey, false)
+
+	cache, cacheErr := loadMessageCache(b)
+	if cacheErr != nil {
+		logrus.WithError(cacheErr).Error("Could not load local cache.")
+	}
+
+	builder := message.NewBuilder(
+		b.Settings.GetInt(settings.FetchWorkers),
+		b.Settings.GetInt(settings.AttachmentWorkers),
+	)
+
+	bridge := pkgBridge.New(
+		b.Locations,
+		b.Cache,
+		b.Settings,
+		b.SentryReporter,
+		b.CrashHandler,
+		b.Listener,
+		cache,
+		builder,
+		b.CM,
+		b.Creds,
+		b.Updater,
+		b.Versioner,
+		b.Autostart,
+	)
+	imapBackend := imap.NewIMAPBackend(b.CrashHandler, b.Listener, b.Cache, b.Settings, bridge)
+	smtpBackend := smtp.NewSMTPBackend(b.CrashHandler, b.Listener, b.Settings, bridge)
+
+	if cacheErr != nil {
+		bridge.AddError(pkgBridge.ErrLocalCacheUnavailable)
+	}
+
+	go func() {
+		defer b.CrashHandler.HandlePanic()
+		api.NewAPIServer(b.Settings, b.Listener).ListenAndServe()
+	}()
+
+	go func() {
+		defer b.CrashHandler.HandlePanic()
+		imapPort := b.Settings.GetInt(settings.IMAPPortKey)
+		imap.NewIMAPServer(
+			b.CrashHandler,
+			c.String(flagLogIMAP) == "client" || c.String(flagLogIMAP) == "all",
+			c.String(flagLogIMAP) == "server" || c.String(flagLogIMAP) == "all",
+			imapPort, tlsConfig, imapBackend, b.UserAgent, b.Listener).ListenAndServe()
+	}()
+
+	go func() {
+		defer b.CrashHandler.HandlePanic()
+		smtpPort := b.Settings.GetInt(settings.SMTPPortKey)
+		useSSL := b.Settings.GetBool(settings.SMTPSSLKey)
+		smtp.NewSMTPServer(
+			b.CrashHandler,
+			c.Bool(flagLogSMTP),
+			smtpPort, useSSL, tlsConfig, smtpBackend, b.Listener).ListenAndServe()
+	}()
+
+	// We want to remove old versions if the app exits successfully.
+	b.AddTeardownAction(b.Versioner.RemoveOldVersions)
+
+	// We want cookies to be saved to disk so they are loaded the next time.
+	b.AddTeardownAction(b.CookieJar.PersistCookies)
+
+	var frontendMode string
+
+	switch {
+	case c.Bool(base.FlagCLI):
+		frontendMode = "cli"
+	case c.Bool(flagNonInteractive):
+		return <-(make(chan error)) // Block forever.
+	default:
+		frontendMode = "qt"
+	}
+
+	f := frontend.New(
+		constants.Version,
+		constants.BuildVersion,
+		b.Name,
+		frontendMode,
+		!c.Bool(base.FlagNoWindow),
+		b.CrashHandler,
+		b.Locations,
+		b.Settings,
+		b.Listener,
+		b.Updater,
+		b.UserAgent,
+		bridge,
+		smtpBackend,
+		b,
+	)
+
+	// Watch for updates routine
+	go func() {
+		ticker := time.NewTicker(constants.UpdateCheckInterval)
+
+		for {
+			checkAndHandleUpdate(b.Updater, f, b.Settings.GetBool(settings.AutoUpdateKey))
+			<-ticker.C
+		}
+	}()
+
+	return f.Loop()
+}
+
+func loadTLSConfig(b *base.Base) (*tls.Config, error) {
+	if !b.TLS.HasCerts() {
+		if err := generateTLSCerts(b); err != nil {
+			return nil, err
+		}
+	}
+
+	tlsConfig, err := b.TLS.GetConfig()
+	if err == nil {
+		return tlsConfig, nil
+	}
+
+	logrus.WithError(err).Error("Failed to load TLS config, regenerating certificates")
+
+	if err := generateTLSCerts(b); err != nil {
+		return nil, err
+	}
+
+	return b.TLS.GetConfig()
+}
+
+func generateTLSCerts(b *base.Base) error {
+	template, err := pkgTLS.NewTLSTemplate()
+	if err != nil {
+		return errors.Wrap(err, "failed to generate TLS template")
+	}
+
+	if err := b.TLS.GenerateCerts(template); err != nil {
+		return errors.Wrap(err, "failed to generate TLS certs")
+	}
+
+	if err := b.TLS.InstallCerts(); err != nil {
+		return errors.Wrap(err, "failed to install TLS certs")
+	}
+
+	return nil
+}
+
+func checkAndHandleUpdate(u types.Updater, f frontend.Frontend, autoUpdate bool) {
+	log := logrus.WithField("pkg", "app/bridge")
+	version, err := u.Check()
+	if err != nil {
+		log.WithError(err).Error("An error occurred while checking for updates")
+		return
+	}
+
+	f.WaitUntilFrontendIsReady()
+
+	// Update links in UI
+	f.SetVersion(version)
+
+	if !u.IsUpdateApplicable(version) {
+		log.Info("No need to update")
+		return
+	}
+
+	log.WithField("version", version.Version).Info("An update is available")
+
+	if !autoUpdate {
+		f.NotifyManualUpdate(version, u.CanInstall(version))
+		return
+	}
+
+	if !u.CanInstall(version) {
+		log.Info("A manual update is required")
+		f.NotifySilentUpdateError(updater.ErrManualUpdateRequired)
+		return
+	}
+
+	if err := u.InstallUpdate(version); err != nil {
+		if errors.Cause(err) == updater.ErrDownloadVerify {
+			log.WithError(err).Warning("Skipping update installation due to temporary error")
+		} else {
+			log.WithError(err).Error("The update couldn't be installed")
+			f.NotifySilentUpdateError(err)
+		}
+
+		return
+	}
+
+	f.NotifySilentUpdateInstalled()
+}
+
+// loadMessageCache loads local cache in case it is enabled in settings and available.
+// In any other case it is returning in-memory cache. Could also return an error in case
+// local cache is enabled but unavailable (in-memory cache will be returned nevertheless).
+func loadMessageCache(b *base.Base) (cache.Cache, error) {
+	if !b.Settings.GetBool(settings.CacheEnabledKey) {
+		return cache.NewInMemoryCache(inMemoryCacheLimnit), nil
+	}
+
+	var compressor cache.Compressor
+
+	// NOTE(GODT-1158): Changing compression is not an option currently
+	// available for user but, if user changes compression setting we have
+	// to nuke the cache.
+	if b.Settings.GetBool(settings.CacheCompressionKey) {
+		compressor = &cache.GZipCompressor{}
+	} else {
+		compressor = &cache.NoopCompressor{}
+	}
+
+	var path string
+
+	if customPath := b.Settings.Get(settings.CacheLocationKey); customPath != "" {
+		path = customPath
+	} else {
+		path = b.Cache.GetDefaultMessageCacheDir()
+		// Store path so it will allways persist if default location
+		// will be changed in new version.
+		b.Settings.Set(settings.CacheLocationKey, path)
+	}
+
+	// To prevent memory peaks we set maximal write concurency for store
+	// build jobs.
+	store.SetBuildAndCacheJobLimit(b.Settings.GetInt(settings.CacheConcurrencyWrite))
+
+	messageCache, err := cache.NewOnDiskCache(path, compressor, cache.Options{
+		MinFreeAbs:      uint64(b.Settings.GetInt(settings.CacheMinFreeAbsKey)),
+		MinFreeRat:      b.Settings.GetFloat64(settings.CacheMinFreeRatKey),
+		ConcurrentRead:  b.Settings.GetInt(settings.CacheConcurrencyRead),
+		ConcurrentWrite: b.Settings.GetInt(settings.CacheConcurrencyWrite),
+	})
+
+	if err != nil {
+		return cache.NewInMemoryCache(inMemoryCacheLimnit), err
+	}
+
+	return messageCache, nil
+}

internal/bridge/autostart.go

@@ -0,0 +1,31 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// Package bridge provides core functionality of Bridge app.
+package bridge
+
+func (b *Bridge) IsAutostartEnabled() bool {
+	return b.autostart.IsEnabled()
+}
+
+func (b *Bridge) EnableAutostart() error {
+	return b.autostart.Enable()
+}
+
+func (b *Bridge) DisableAutostart() error {
+	return b.autostart.Disable()
+}

internal/bridge/bridge.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -19,61 +19,102 @@
 package bridge
 
 import (
+	"errors"
+	"fmt"
 	"strconv"
 	"time"
 
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/go-autostart"
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
+	"github.com/ProtonMail/proton-bridge/internal/constants"
 	"github.com/ProtonMail/proton-bridge/internal/metrics"
-	"github.com/ProtonMail/proton-bridge/internal/preferences"
+	"github.com/ProtonMail/proton-bridge/internal/sentry"
+	"github.com/ProtonMail/proton-bridge/internal/store/cache"
+	"github.com/ProtonMail/proton-bridge/internal/updater"
 	"github.com/ProtonMail/proton-bridge/internal/users"
+	"github.com/ProtonMail/proton-bridge/pkg/message"
 	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
 
 	"github.com/ProtonMail/proton-bridge/pkg/listener"
 	logrus "github.com/sirupsen/logrus"
 )
 
-var (
-	log = logrus.WithField("pkg", "bridge") //nolint[gochecknoglobals]
-)
+var log = logrus.WithField("pkg", "bridge") //nolint[gochecknoglobals]
+
+var ErrLocalCacheUnavailable = errors.New("local cache is unavailable")
 
 type Bridge struct {
 	*users.Users
 
-	pref          PreferenceProvider
-	clientManager users.ClientManager
+	locations     Locator
+	settings      SettingsProvider
+	clientManager pmapi.Manager
+	updater       Updater
+	versioner     Versioner
+	cacheProvider CacheProvider
+	autostart     *autostart.App
+	// Bridge's global errors list.
+	errors []error
 
-	userAgentClientName    string
-	userAgentClientVersion string
-	userAgentOS            string
+	isFirstStart bool
+	lastVersion  string
 }
 
 func New(
-	config Configer,
-	pref PreferenceProvider,
+	locations Locator,
+	cacheProvider CacheProvider,
+	setting SettingsProvider,
+	sentryReporter *sentry.Reporter,
 	panicHandler users.PanicHandler,
 	eventListener listener.Listener,
-	clientManager users.ClientManager,
+	cache cache.Cache,
+	builder *message.Builder,
+	clientManager pmapi.Manager,
 	credStorer users.CredentialsStorer,
+	updater Updater,
+	versioner Versioner,
+	autostart *autostart.App,
 ) *Bridge {
 	// Allow DoH before starting the app if the user has previously set this setting.
 	// This allows us to start even if protonmail is blocked.
-	if pref.GetBool(preferences.AllowProxyKey) {
+	if setting.GetBool(settings.AllowProxyKey) {
 		clientManager.AllowProxy()
 	}
 
-	storeFactory := newStoreFactory(config, panicHandler, clientManager, eventListener)
-	u := users.New(config, panicHandler, eventListener, clientManager, credStorer, storeFactory, true)
+	u := users.New(
+		locations,
+		panicHandler,
+		eventListener,
+		clientManager,
+		credStorer,
+		newStoreFactory(cacheProvider, sentryReporter, panicHandler, eventListener, cache, builder),
+	)
+
 	b := &Bridge{
-		Users: u,
-
-		pref:          pref,
+		Users:         u,
+		locations:     locations,
+		settings:      setting,
 		clientManager: clientManager,
+		updater:       updater,
+		versioner:     versioner,
+		cacheProvider: cacheProvider,
+		autostart:     autostart,
+		isFirstStart:  false,
 	}
 
-	if pref.GetBool(preferences.FirstStartKey) {
-		b.SendMetric(metrics.New(metrics.Setup, metrics.FirstStart, metrics.Label(config.GetVersion())))
-		pref.SetBool(preferences.FirstStartKey, false)
+	if setting.GetBool(settings.FirstStartKey) {
+		b.isFirstStart = true
+		if err := b.SendMetric(metrics.New(metrics.Setup, metrics.FirstStart, metrics.Label(constants.Version))); err != nil {
+			logrus.WithError(err).Error("Failed to send metric")
+		}
+		setting.SetBool(settings.FirstStartKey, false)
 	}
 
+	// Keep in bridge and update in settings the last used version.
+	b.lastVersion = b.settings.Get(settings.LastVersionKey)
+	b.settings.Set(settings.LastVersionKey, constants.Version)
+
 	go b.heartbeat()
 
 	return b
@@ -81,72 +122,183 @@ func New(
 
 // heartbeat sends a heartbeat signal once a day.
 func (b *Bridge) heartbeat() {
-	ticker := time.NewTicker(1 * time.Minute)
-
-	for range ticker.C {
-		next, err := strconv.ParseInt(b.pref.Get(preferences.NextHeartbeatKey), 10, 64)
+	for range time.Tick(time.Minute) {
+		lastHeartbeatDay, err := strconv.ParseInt(b.settings.Get(settings.LastHeartbeatKey), 10, 64)
 		if err != nil {
 			continue
 		}
-		nextTime := time.Unix(next, 0)
-		if time.Now().After(nextTime) {
-			b.SendMetric(metrics.New(metrics.Heartbeat, metrics.Daily, metrics.NoLabel))
-			nextTime = nextTime.Add(24 * time.Hour)
-			b.pref.Set(preferences.NextHeartbeatKey, strconv.FormatInt(nextTime.Unix(), 10))
+
+		// If we're still on the same day, don't send a heartbeat.
+		if time.Now().YearDay() == int(lastHeartbeatDay) {
+			continue
+		}
+
+		// We're on the next (or a different) day, so send a heartbeat.
+		if err := b.SendMetric(metrics.New(metrics.Heartbeat, metrics.Daily, metrics.NoLabel)); err != nil {
+			logrus.WithError(err).Error("Failed to send heartbeat")
+			continue
+		}
+
+		// Heartbeat was sent successfully so update the last heartbeat day.
+		b.settings.Set(settings.LastHeartbeatKey, fmt.Sprintf("%v", time.Now().YearDay()))
+	}
+}
+
+// GetUpdateChannel returns currently set update channel.
+func (b *Bridge) GetUpdateChannel() updater.UpdateChannel {
+	return updater.UpdateChannel(b.settings.Get(settings.UpdateChannelKey))
+}
+
+// SetUpdateChannel switches update channel.
+func (b *Bridge) SetUpdateChannel(channel updater.UpdateChannel) {
+	b.settings.Set(settings.UpdateChannelKey, string(channel))
+}
+
+func (b *Bridge) resetToLatestStable() error {
+	version, err := b.updater.Check()
+	if err != nil {
+		// If we can not check for updates - just remove all local updates and reset to base installer version.
+		// Not using `b.locations.ClearUpdates()` because `versioner.RemoveOtherVersions` can also handle
+		// case when it is needed to remove currently running verion.
+		if err := b.versioner.RemoveOtherVersions(semver.MustParse("0.0.0")); err != nil {
+			log.WithError(err).Error("Failed to clear updates while downgrading channel")
+		}
+		return nil
+	}
+
+	// If current version is same as upstream stable version - do nothing.
+	if version.Version.Equal(semver.MustParse(constants.Version)) {
+		return nil
+	}
+
+	if err := b.updater.InstallUpdate(version); err != nil {
+		return err
+	}
+
+	return b.versioner.RemoveOtherVersions(version.Version)
+}
+
+// FactoryReset will remove all local cache and settings.
+// It will also downgrade to latest stable version if user is on early version.
+func (b *Bridge) FactoryReset() {
+	wasEarly := b.GetUpdateChannel() == updater.EarlyChannel
+
+	b.settings.Set(settings.UpdateChannelKey, string(updater.StableChannel))
+
+	if wasEarly {
+		if err := b.resetToLatestStable(); err != nil {
+			log.WithError(err).Error("Failed to reset to latest stable version")
+		}
+	}
+
+	if err := b.Users.ClearData(); err != nil {
+		log.WithError(err).Error("Failed to remove bridge data")
+	}
+
+	if err := b.Users.ClearUsers(); err != nil {
+		log.WithError(err).Error("Failed to remove bridge users")
+	}
+}
+
+// GetKeychainApp returns current keychain helper.
+func (b *Bridge) GetKeychainApp() string {
+	return b.settings.Get(settings.PreferredKeychainKey)
+}
+
+// SetKeychainApp sets current keychain helper.
+func (b *Bridge) SetKeychainApp(helper string) {
+	b.settings.Set(settings.PreferredKeychainKey, helper)
+}
+
+func (b *Bridge) EnableCache() error {
+	if err := b.Users.EnableCache(); err != nil {
+		return err
+	}
+
+	b.settings.SetBool(settings.CacheEnabledKey, true)
+
+	return nil
+}
+
+func (b *Bridge) DisableCache() error {
+	if err := b.Users.DisableCache(); err != nil {
+		return err
+	}
+
+	b.settings.SetBool(settings.CacheEnabledKey, false)
+	// Reset back to the default location when disabling.
+	b.settings.Set(settings.CacheLocationKey, b.cacheProvider.GetDefaultMessageCacheDir())
+
+	return nil
+}
+
+func (b *Bridge) MigrateCache(from, to string) error {
+	if err := b.Users.MigrateCache(from, to); err != nil {
+		return err
+	}
+
+	b.settings.Set(settings.CacheLocationKey, to)
+
+	return nil
+}
+
+// SetProxyAllowed instructs the app whether to use DoH to access an API proxy if necessary.
+// It also needs to work before the app is initialised (because we may need to use the proxy at startup).
+func (b *Bridge) SetProxyAllowed(proxyAllowed bool) {
+	b.settings.SetBool(settings.AllowProxyKey, proxyAllowed)
+	if proxyAllowed {
+		b.clientManager.AllowProxy()
+	} else {
+		b.clientManager.DisallowProxy()
+	}
+}
+
+// GetProxyAllowed returns whether use of DoH is enabled to access an API proxy if necessary.
+func (b *Bridge) GetProxyAllowed() bool {
+	return b.settings.GetBool(settings.AllowProxyKey)
+}
+
+// AddError add an error to a global error list if it does not contain it yet. Adding nil is noop.
+func (b *Bridge) AddError(err error) {
+	if err == nil {
+		return
+	}
+	if b.HasError(err) {
+		return
+	}
+
+	b.errors = append(b.errors, err)
+}
+
+// DelError removes an error from global error list.
+func (b *Bridge) DelError(err error) {
+	for idx, val := range b.errors {
+		if val == err {
+			b.errors = append(b.errors[:idx], b.errors[idx+1:]...)
+			return
 		}
 	}
 }
 
-// GetCurrentClient returns currently connected client (e.g. Thunderbird).
-func (b *Bridge) GetCurrentClient() string {
-	res := b.userAgentClientName
-	if b.userAgentClientVersion != "" {
-		res = res + " " + b.userAgentClientVersion
-	}
-	return res
-}
-
-// SetCurrentClient updates client info (e.g. Thunderbird) and sets the user agent
-// on pmapi. By default no client is used, IMAP has to detect it on first login.
-func (b *Bridge) SetCurrentClient(clientName, clientVersion string) {
-	b.userAgentClientName = clientName
-	b.userAgentClientVersion = clientVersion
-	b.updateUserAgent()
-}
-
-// SetCurrentOS updates OS and sets the user agent on pmapi. By default we use
-// `runtime.GOOS`, but this can be overridden in case of better detection.
-func (b *Bridge) SetCurrentOS(os string) {
-	b.userAgentOS = os
-	b.updateUserAgent()
-}
-
-func (b *Bridge) updateUserAgent() {
-	b.clientManager.SetUserAgent(b.userAgentClientName, b.userAgentClientVersion, b.userAgentOS)
-}
-
-// ReportBug reports a new bug from the user.
-func (b *Bridge) ReportBug(osType, osVersion, description, accountName, address, emailClient string) error {
-	c := b.clientManager.GetAnonymousClient()
-	defer c.Logout()
-
-	title := "[Bridge] Bug"
-	report := pmapi.ReportReq{
-		OS:          osType,
-		OSVersion:   osVersion,
-		Browser:     emailClient,
-		Title:       title,
-		Description: description,
-		Username:    accountName,
-		Email:       address,
+// HasError returnes true if global error list contains an err.
+func (b *Bridge) HasError(err error) bool {
+	for _, val := range b.errors {
+		if val == err {
+			return true
+		}
 	}
 
-	if err := c.Report(report); err != nil {
-		log.Error("Reporting bug failed: ", err)
-		return err
-	}
-
-	log.Info("Bug successfully reported")
-
-	return nil
+	return false
+}
+
+// GetLastVersion returns the version which was used in previous execution of
+// Bridge.
+func (b *Bridge) GetLastVersion() string {
+	return b.lastVersion
+}
+
+// IsFirstStart returns true when Bridge is running for first time or after
+// factory reset.
+func (b *Bridge) IsFirstStart() bool {
+	return b.isFirstStart
 }

internal/bridge/bug_report.go

@@ -0,0 +1,205 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"archive/zip"
+	"bytes"
+	"context"
+	"errors"
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"sort"
+
+	"github.com/ProtonMail/proton-bridge/internal/logging"
+	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
+)
+
+const MaxAttachmentSize = 7 * 1024 * 1024 // 7 MB total limit
+const MaxCompressedFilesCount = 6
+
+var ErrSizeTooLarge = errors.New("file is too big")
+
+// ReportBug reports a new bug from the user.
+func (b *Bridge) ReportBug(osType, osVersion, description, accountName, address, emailClient string, attachLogs bool) error {
+	if user, err := b.GetUser(address); err == nil {
+		accountName = user.Username()
+	} else if users := b.GetUsers(); len(users) > 0 {
+		accountName = users[0].Username()
+	}
+
+	report := pmapi.ReportBugReq{
+		OS:          osType,
+		OSVersion:   osVersion,
+		Browser:     emailClient,
+		Title:       "[Bridge] Bug",
+		Description: description,
+		Username:    accountName,
+		Email:       address,
+	}
+
+	if attachLogs {
+		logs, err := b.getMatchingLogs(
+			func(filename string) bool {
+				return logging.MatchLogName(filename) && !logging.MatchStackTraceName(filename)
+			},
+		)
+		if err != nil {
+			log.WithError(err).Error("Can't get log files list")
+		}
+		crashes, err := b.getMatchingLogs(
+			func(filename string) bool {
+				return logging.MatchLogName(filename) && logging.MatchStackTraceName(filename)
+			},
+		)
+		if err != nil {
+			log.WithError(err).Error("Can't get crash files list")
+		}
+
+		var matchFiles []string
+
+		matchFiles = append(matchFiles, logs[max(0, len(logs)-(MaxCompressedFilesCount/2)):]...)
+		matchFiles = append(matchFiles, crashes[max(0, len(crashes)-(MaxCompressedFilesCount/2)):]...)
+
+		archive, err := zipFiles(matchFiles)
+		if err != nil {
+			log.WithError(err).Error("Can't zip logs and crashes")
+		}
+
+		if archive != nil {
+			report.AddAttachment("logs.zip", "application/zip", archive)
+		}
+	}
+
+	return b.clientManager.ReportBug(context.Background(), report)
+}
+
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+func (b *Bridge) getMatchingLogs(filenameMatchFunc func(string) bool) (filenames []string, err error) {
+	logsPath, err := b.locations.ProvideLogsPath()
+	if err != nil {
+		return nil, err
+	}
+
+	files, err := ioutil.ReadDir(logsPath)
+	if err != nil {
+		return nil, err
+	}
+
+	var matchFiles []string
+
+	for _, file := range files {
+		if filenameMatchFunc(file.Name()) {
+			matchFiles = append(matchFiles, filepath.Join(logsPath, file.Name()))
+		}
+	}
+	sort.Strings(matchFiles) // Sorted by timestamp: oldest first.
+
+	return matchFiles, nil
+}
+
+type LimitedBuffer struct {
+	capacity int
+	buf      *bytes.Buffer
+}
+
+func NewLimitedBuffer(capacity int) *LimitedBuffer {
+	return &LimitedBuffer{
+		capacity: capacity,
+		buf:      bytes.NewBuffer(make([]byte, 0, capacity)),
+	}
+}
+
+func (b *LimitedBuffer) Write(p []byte) (n int, err error) {
+	if len(p)+b.buf.Len() > b.capacity {
+		return 0, ErrSizeTooLarge
+	}
+
+	return b.buf.Write(p)
+}
+
+func (b *LimitedBuffer) Read(p []byte) (n int, err error) {
+	return b.buf.Read(p)
+}
+
+func zipFiles(filenames []string) (io.Reader, error) {
+	if len(filenames) == 0 {
+		return nil, nil
+	}
+
+	buf := NewLimitedBuffer(MaxAttachmentSize)
+
+	w := zip.NewWriter(buf)
+	defer w.Close() //nolint[errcheck]
+
+	for _, file := range filenames {
+		err := addFileToZip(file, w)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	if err := w.Close(); err != nil {
+		return nil, err
+	}
+
+	return buf, nil
+}
+
+func addFileToZip(filename string, writer *zip.Writer) error {
+	fileReader, err := os.Open(filepath.Clean(filename))
+	if err != nil {
+		return err
+	}
+	defer fileReader.Close() //nolint[errcheck]
+
+	fileInfo, err := fileReader.Stat()
+	if err != nil {
+		return err
+	}
+
+	header, err := zip.FileInfoHeader(fileInfo)
+	if err != nil {
+		return err
+	}
+
+	header.Method = zip.Deflate
+	header.Name = filepath.Base(filename)
+
+	fileWriter, err := writer.CreateHeader(header)
+	if err != nil {
+		return err
+	}
+
+	_, err = io.Copy(fileWriter, fileReader)
+	if err != nil {
+		return err
+	}
+
+	err = fileReader.Close()
+
+	return err
+}

internal/bridge/constants.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //

internal/bridge/credits.go

@@ -1,22 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Code generated by ./credits.sh at Wed Sep 16 16:48:58 CEST 2020. DO NOT EDIT.
-
-package bridge
-
-const Credits = "github.com/0xAX/notificator;github.com/ProtonMail/bcrypt;github.com/ProtonMail/crypto;github.com/ProtonMail/docker-credential-helpers;github.com/ProtonMail/go-appdir;github.com/ProtonMail/go-apple-mobileconfig;github.com/ProtonMail/go-autostart;github.com/ProtonMail/go-imap;github.com/ProtonMail/go-imap-id;github.com/ProtonMail/go-smtp;github.com/ProtonMail/go-vcard;github.com/ProtonMail/gopenpgp/v2;github.com/PuerkitoBio/goquery;github.com/abiosoft/ishell;github.com/abiosoft/readline;github.com/allan-simon/go-singleinstance;github.com/certifi/gocertifi;github.com/chzyer/logex;github.com/chzyer/test;github.com/cucumber/godog;github.com/docker/docker-credential-helpers;github.com/emersion/go-imap;github.com/emersion/go-imap-appendlimit;github.com/emersion/go-imap-idle;github.com/emersion/go-imap-move;github.com/emersion/go-imap-quota;github.com/emersion/go-imap-specialuse;github.com/emersion/go-imap-unselect;github.com/emersion/go-mbox;github.com/emersion/go-message;github.com/emersion/go-sasl;github.com/emersion/go-smtp;github.com/emersion/go-textwrapper;github.com/emersion/go-vcard;github.com/fatih/color;github.com/flynn-archive/go-shlex;github.com/getsentry/raven-go;github.com/go-resty/resty/v2;github.com/golang/mock;github.com/google/go-cmp;github.com/google/uuid;github.com/gopherjs/gopherjs;github.com/hashicorp/go-multierror;github.com/jameskeane/bcrypt;github.com/jaytaylor/html2text;github.com/kardianos/osext;github.com/keybase/go-keychain;github.com/logrusorgru/aurora;github.com/mattn/go-runewidth;github.com/miekg/dns;github.com/myesui/uuid;github.com/nsf/jsondiff;github.com/olekukonko/tablewriter;github.com/pkg/errors;github.com/sirupsen/logrus;github.com/skratchdot/open-golang;github.com/ssor/bom;github.com/stretchr/testify;github.com/therecipe/qt;github.com/twinj/uuid;github.com/urfave/cli;go.etcd.io/bbolt;golang.org/x/crypto;golang.org/x/net;golang.org/x/text;gopkg.in/stretchr/testify.v1;;Font Awesome 4.7.0;;Qt 5.13 by Qt group;"

internal/bridge/release_notes.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -15,21 +15,12 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// Code generated by ./release-notes.sh at 'Mon Sep 21 01:29:10 PM CEST 2020'. DO NOT EDIT.
+// Code generated by ./release-notes.sh at 'Fri Jan 22 11:01:06 AM CET 2021'. DO NOT EDIT.
 
 package bridge
 
-const ReleaseNotes = `• Bulletproofing against any potential data loss and/or duplication
-• Performance improvements for handling attachments and non-standard formatting
-• Better stability of the message parser
-• Additional foreign encoding support for outgoing messages
-• Complete refactor of the way messages are parsed to simplify code maintenance
-• Improved User-Agent detection
-• Added MacOS Big Sur compatibility
-• Added persistent anonymous API cookies
+const ReleaseNotes = `
 `
 
-const ReleaseFixedBugs = `• Fixed rare mail loss when moving from Spam folder
-• Limited log size
-• Fixed Linux font issues (mouse hover).
+const ReleaseFixedBugs = `• Fixed sending error caused by inconsistent use of upper and lower case in sender’s email address
 `

internal/bridge/store_factory.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -21,49 +21,67 @@ import (
 	"fmt"
 	"path/filepath"
 
+	"github.com/ProtonMail/proton-bridge/internal/sentry"
 	"github.com/ProtonMail/proton-bridge/internal/store"
+	"github.com/ProtonMail/proton-bridge/internal/store/cache"
 	"github.com/ProtonMail/proton-bridge/internal/users"
-
 	"github.com/ProtonMail/proton-bridge/pkg/listener"
+	"github.com/ProtonMail/proton-bridge/pkg/message"
 )
 
 type storeFactory struct {
-	config        StoreFactoryConfiger
-	panicHandler  users.PanicHandler
-	clientManager users.ClientManager
-	eventListener listener.Listener
-	storeCache    *store.Cache
+	cacheProvider  CacheProvider
+	sentryReporter *sentry.Reporter
+	panicHandler   users.PanicHandler
+	eventListener  listener.Listener
+	events         *store.Events
+	cache          cache.Cache
+	builder        *message.Builder
 }
 
 func newStoreFactory(
-	config StoreFactoryConfiger,
+	cacheProvider CacheProvider,
+	sentryReporter *sentry.Reporter,
 	panicHandler users.PanicHandler,
-	clientManager users.ClientManager,
 	eventListener listener.Listener,
+	cache cache.Cache,
+	builder *message.Builder,
 ) *storeFactory {
 	return &storeFactory{
-		config:        config,
-		panicHandler:  panicHandler,
-		clientManager: clientManager,
-		eventListener: eventListener,
-		storeCache:    store.NewCache(config.GetIMAPCachePath()),
+		cacheProvider:  cacheProvider,
+		sentryReporter: sentryReporter,
+		panicHandler:   panicHandler,
+		eventListener:  eventListener,
+		events:         store.NewEvents(cacheProvider.GetIMAPCachePath()),
+		cache:          cache,
+		builder:        builder,
 	}
 }
 
 // New creates new store for given user.
 func (f *storeFactory) New(user store.BridgeUser) (*store.Store, error) {
-	storePath := getUserStorePath(f.config.GetDBDir(), user.ID())
-	return store.New(f.panicHandler, user, f.clientManager, f.eventListener, storePath, f.storeCache)
+	return store.New(
+		f.sentryReporter,
+		f.panicHandler,
+		user,
+		f.eventListener,
+		f.cache,
+		f.builder,
+		getUserStorePath(f.cacheProvider.GetDBDir(), user.ID()),
+		f.events,
+	)
 }
 
 // Remove removes all store files for given user.
 func (f *storeFactory) Remove(userID string) error {
-	storePath := getUserStorePath(f.config.GetDBDir(), userID)
-	return store.RemoveStore(f.storeCache, storePath, userID)
+	return store.RemoveStore(
+		f.events,
+		getUserStorePath(f.cacheProvider.GetDBDir(), userID),
+		userID,
+	)
 }
 
 // getUserStorePath returns the file path of the store database for the given userID.
 func getUserStorePath(storeDir string, userID string) (path string) {
-	fileName := fmt.Sprintf("mailbox-%v.db", userID)
-	return filepath.Join(storeDir, fileName)
+	return filepath.Join(storeDir, fmt.Sprintf("mailbox-%v.db", userID))
 }

internal/bridge/types.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -17,22 +17,38 @@
 
 package bridge
 
-import "github.com/ProtonMail/proton-bridge/internal/users"
+import (
+	"github.com/Masterminds/semver/v3"
 
-type Configer interface {
-	users.Configer
-	StoreFactoryConfiger
+	"github.com/ProtonMail/proton-bridge/internal/updater"
+)
+
+type Locator interface {
+	Clear() error
+	ClearUpdates() error
+	ProvideLogsPath() (string, error)
 }
 
-type StoreFactoryConfiger interface {
-	GetDBDir() string
+type CacheProvider interface {
 	GetIMAPCachePath() string
+	GetDBDir() string
+	GetDefaultMessageCacheDir() string
 }
 
-type PreferenceProvider interface {
+type SettingsProvider interface {
 	Get(key string) string
+	Set(key string, value string)
 	GetBool(key string) bool
 	SetBool(key string, val bool)
 	GetInt(key string) int
-	Set(key string, value string)
+}
+
+type Updater interface {
+	Check() (updater.VersionInfo, error)
+	IsDowngrade(updater.VersionInfo) bool
+	InstallUpdate(updater.VersionInfo) error
+}
+
+type Versioner interface {
+	RemoveOtherVersions(*semver.Version) error
 }

internal/cmd/main.go

@@ -1,86 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package cmd
-
-import (
-	"os"
-	"runtime"
-
-	"github.com/ProtonMail/proton-bridge/pkg/constants"
-	"github.com/getsentry/raven-go"
-	"github.com/sirupsen/logrus"
-	"github.com/urfave/cli"
-)
-
-var (
-	log = logrus.WithField("pkg", "cmd") //nolint[gochecknoglobals]
-
-	baseFlags = []cli.Flag{ //nolint[gochecknoglobals]
-		cli.StringFlag{
-			Name:  "log-level, l",
-			Usage: "Set the log level (one of panic, fatal, error, warn, info, debug, debug-client, debug-server)"},
-		cli.BoolFlag{
-			Name:  "cli, c",
-			Usage: "Use command line interface"},
-		cli.StringFlag{
-			Name:  "version-json, g",
-			Usage: "Generate json version file"},
-		cli.BoolFlag{
-			Name:  "mem-prof, m",
-			Usage: "Generate memory profile"},
-		cli.BoolFlag{
-			Name:  "cpu-prof, p",
-			Usage: "Generate CPU profile"},
-	}
-)
-
-// Main sets up Sentry, filters out unwanted args, creates app and runs it.
-func Main(appName, usage string, extraFlags []cli.Flag, run func(*cli.Context) error) {
-	if err := raven.SetDSN(constants.DSNSentry); err != nil {
-		log.WithError(err).Errorln("Can not setup sentry DSN")
-	}
-	raven.SetRelease(constants.Revision)
-
-	filterProcessSerialNumberFromArgs()
-	filterRestartNumberFromArgs()
-
-	app := newApp(appName, usage, extraFlags, run)
-
-	logrus.SetLevel(logrus.InfoLevel)
-	log.WithField("version", constants.Version).
-		WithField("revision", constants.Revision).
-		WithField("build", constants.BuildTime).
-		WithField("runtime", runtime.GOOS).
-		WithField("args", os.Args).
-		WithField("appName", app.Name).
-		Info("Run app")
-
-	if err := app.Run(os.Args); err != nil {
-		log.Error("Program exited with error: ", err)
-	}
-}
-
-func newApp(appName, usage string, extraFlags []cli.Flag, run func(*cli.Context) error) *cli.App {
-	app := cli.NewApp()
-	app.Name = appName
-	app.Usage = usage
-	app.Version = constants.BuildVersion
-	app.Flags = append(baseFlags, extraFlags...) //nolint[gocritic]
-	app.Action = run
-	return app
-}

internal/cmd/restart.go

@@ -1,108 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package cmd
-
-import (
-	"fmt"
-	"os"
-	"os/exec"
-	"strconv"
-	"strings"
-
-	"github.com/ProtonMail/proton-bridge/internal/frontend"
-	"github.com/ProtonMail/proton-bridge/pkg/config"
-	"github.com/urfave/cli"
-)
-
-const (
-	// After how many crashes app gives up starting.
-	maxAllowedCrashes = 10
-)
-
-var (
-	// How many crashes happened so far in a row.
-	// It will be filled from args by `filterRestartNumberFromArgs`.
-	// Every call of `HandlePanic` will increase this number.
-	// Then it will be passed as argument to the next try by `RestartApp`.
-	numberOfCrashes = 0 //nolint[gochecknoglobals]
-)
-
-// filterRestartNumberFromArgs removes flag with a number how many restart we already did.
-// See restartApp how that number is used.
-func filterRestartNumberFromArgs() {
-	tmp := os.Args[:0]
-	for i, arg := range os.Args {
-		if !strings.HasPrefix(arg, "--restart_") {
-			tmp = append(tmp, arg)
-			continue
-		}
-		var err error
-		numberOfCrashes, err = strconv.Atoi(os.Args[i][10:])
-		if err != nil {
-			numberOfCrashes = maxAllowedCrashes
-		}
-	}
-	os.Args = tmp
-}
-
-// DisableRestart disables restart once `RestartApp` is called.
-func DisableRestart() {
-	numberOfCrashes = maxAllowedCrashes
-}
-
-// RestartApp starts a new instance in background.
-func RestartApp() {
-	if numberOfCrashes >= maxAllowedCrashes {
-		log.Error("Too many crashes")
-		return
-	}
-	if exeFile, err := os.Executable(); err == nil {
-		arguments := append(os.Args[1:], fmt.Sprintf("--restart_%d", numberOfCrashes))
-		cmd := exec.Command(exeFile, arguments...) //nolint[gosec]
-		cmd.Stdout = os.Stdout
-		cmd.Stderr = os.Stderr
-		cmd.Stdin = os.Stdin
-		if err := cmd.Start(); err != nil {
-			log.Error("Restart failed: ", err)
-		}
-	}
-}
-
-// PanicHandler defines HandlePanic which can be used anywhere in defer.
-type PanicHandler struct {
-	AppName string
-	Config  *config.Config
-	Err     *error // Pointer to error of cli action.
-}
-
-// HandlePanic should be called in defer to ensure restart of app after error.
-func (ph *PanicHandler) HandlePanic() {
-	r := recover()
-	if r == nil {
-		return
-	}
-
-	config.HandlePanic(ph.Config, fmt.Sprintf("Recover: %v", r))
-	frontend.HandlePanic(ph.AppName)
-
-	*ph.Err = cli.NewExitError("Panic and restart", 255)
-	numberOfCrashes++
-	log.Error("Restarting after panic")
-	RestartApp()
-	os.Exit(255)
-}

internal/config/cache/cache.go

@@ -0,0 +1,70 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// Package cache provides access to contents inside a cache directory.
+package cache
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/ProtonMail/proton-bridge/pkg/files"
+)
+
+type Cache struct {
+	dir, version string
+}
+
+func New(dir, version string) (*Cache, error) {
+	if err := os.MkdirAll(filepath.Join(dir, version), 0700); err != nil {
+		return nil, err
+	}
+
+	return &Cache{
+		dir:     dir,
+		version: version,
+	}, nil
+}
+
+// GetDBDir returns folder for db files.
+func (c *Cache) GetDBDir() string {
+	return c.getCurrentCacheDir()
+}
+
+// GetDefaultMessageCacheDir returns folder for cached messages files.
+func (c *Cache) GetDefaultMessageCacheDir() string {
+	return filepath.Join(c.getCurrentCacheDir(), "messages")
+}
+
+// GetIMAPCachePath returns path to file with IMAP status.
+func (c *Cache) GetIMAPCachePath() string {
+	return filepath.Join(c.getCurrentCacheDir(), "user_info.json")
+}
+
+// GetTransferDir returns folder for import-export rules files.
+func (c *Cache) GetTransferDir() string {
+	return c.getCurrentCacheDir()
+}
+
+// RemoveOldVersions removes any cache dirs that are not the current version.
+func (c *Cache) RemoveOldVersions() error {
+	return files.Remove(c.dir).Except(c.getCurrentCacheDir()).Do()
+}
+
+func (c *Cache) getCurrentCacheDir() string {
+	return filepath.Join(c.dir, c.version)
+}

internal/config/cache/cache_test.go

@@ -0,0 +1,70 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package cache
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRemoveOldVersions(t *testing.T) {
+	dir, err := ioutil.TempDir("", "test-cache")
+	require.NoError(t, err)
+
+	cache, err := New(dir, "c4")
+	require.NoError(t, err)
+
+	createFilesInDir(t, dir,
+		"unexpected1.txt",
+		"c1/unexpected1.txt",
+		"c2/unexpected2.txt",
+		"c3/unexpected3.txt",
+		"something.txt",
+	)
+
+	require.DirExists(t, filepath.Join(dir, "c4"))
+	require.FileExists(t, filepath.Join(dir, "unexpected1.txt"))
+	require.FileExists(t, filepath.Join(dir, "c1", "unexpected1.txt"))
+	require.FileExists(t, filepath.Join(dir, "c2", "unexpected2.txt"))
+	require.FileExists(t, filepath.Join(dir, "c3", "unexpected3.txt"))
+	require.FileExists(t, filepath.Join(dir, "something.txt"))
+
+	assert.NoError(t, cache.RemoveOldVersions())
+
+	assert.DirExists(t, filepath.Join(dir, "c4"))
+	assert.NoFileExists(t, filepath.Join(dir, "unexpected1.txt"))
+	assert.NoFileExists(t, filepath.Join(dir, "c1", "unexpected1.txt"))
+	assert.NoFileExists(t, filepath.Join(dir, "c2", "unexpected2.txt"))
+	assert.NoFileExists(t, filepath.Join(dir, "c3", "unexpected3.txt"))
+	assert.NoFileExists(t, filepath.Join(dir, "something.txt"))
+}
+
+func createFilesInDir(t *testing.T, dir string, files ...string) {
+	for _, target := range files {
+		require.NoError(t, os.MkdirAll(filepath.Dir(filepath.Join(dir, target)), 0700))
+
+		f, err := os.Create(filepath.Join(dir, target))
+		require.NoError(t, err)
+		require.NoError(t, f.Close())
+	}
+}

internal/config/settings/kvs.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -15,35 +15,39 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-package config
+package settings
 
 import (
 	"encoding/json"
 	"errors"
+	"fmt"
+	"io/ioutil"
 	"os"
 	"strconv"
 	"sync"
+
+	"github.com/sirupsen/logrus"
 )
 
-type Preferences struct {
+type keyValueStore struct {
 	cache map[string]string
 	path  string
 	lock  *sync.RWMutex
 }
 
-// NewPreferences returns loaded preferences.
-func NewPreferences(preferencesPath string) *Preferences {
-	p := &Preferences{
-		path: preferencesPath,
+// newKeyValueStore returns loaded preferences.
+func newKeyValueStore(path string) *keyValueStore {
+	p := &keyValueStore{
+		path: path,
 		lock: &sync.RWMutex{},
 	}
 	if err := p.load(); err != nil {
-		log.Warn("Cannot load preferences: ", err)
+		logrus.WithError(err).Warn("Cannot load preferences file, creating new one")
 	}
 	return p
 }
 
-func (p *Preferences) load() error {
+func (p *keyValueStore) load() error {
 	if p.cache != nil {
 		return nil
 	}
@@ -62,7 +66,7 @@ func (p *Preferences) load() error {
 	return json.NewDecoder(f).Decode(&p.cache)
 }
 
-func (p *Preferences) save() error {
+func (p *keyValueStore) save() error {
 	if p.cache == nil {
 		return errors.New("cannot save preferences: cache is nil")
 	}
@@ -70,51 +74,68 @@ func (p *Preferences) save() error {
 	p.lock.Lock()
 	defer p.lock.Unlock()
 
-	f, err := os.Create(p.path)
+	b, err := json.MarshalIndent(p.cache, "", "\t")
 	if err != nil {
 		return err
 	}
-	defer f.Close() //nolint[errcheck]
 
-	return json.NewEncoder(f).Encode(p.cache)
+	return ioutil.WriteFile(p.path, b, 0600)
 }
 
-func (p *Preferences) SetDefault(key, value string) {
+func (p *keyValueStore) setDefault(key, value string) {
 	if p.Get(key) == "" {
 		p.Set(key, value)
 	}
 }
 
-func (p *Preferences) Get(key string) string {
+func (p *keyValueStore) Get(key string) string {
 	p.lock.RLock()
 	defer p.lock.RUnlock()
 
 	return p.cache[key]
 }
 
-func (p *Preferences) GetBool(key string) bool {
+func (p *keyValueStore) GetBool(key string) bool {
 	return p.Get(key) == "true"
 }
 
-func (p *Preferences) GetInt(key string) int {
+func (p *keyValueStore) GetInt(key string) int {
+	if p.Get(key) == "" {
+		return 0
+	}
+
 	value, err := strconv.Atoi(p.Get(key))
 	if err != nil {
-		log.Error("Cannot parse int: ", err)
+		logrus.WithError(err).Error("Cannot parse int")
 	}
+
 	return value
 }
 
-func (p *Preferences) Set(key, value string) {
+func (p *keyValueStore) GetFloat64(key string) float64 {
+	if p.Get(key) == "" {
+		return 0
+	}
+
+	value, err := strconv.ParseFloat(p.Get(key), 64)
+	if err != nil {
+		logrus.WithError(err).Error("Cannot parse float64")
+	}
+
+	return value
+}
+
+func (p *keyValueStore) Set(key, value string) {
 	p.lock.Lock()
 	p.cache[key] = value
 	p.lock.Unlock()
 
 	if err := p.save(); err != nil {
-		log.Warn("Cannot save preferences: ", err)
+		logrus.WithError(err).Warn("Cannot save preferences")
 	}
 }
 
-func (p *Preferences) SetBool(key string, value bool) {
+func (p *keyValueStore) SetBool(key string, value bool) {
 	if value {
 		p.Set(key, "true")
 	} else {
@@ -122,6 +143,10 @@ func (p *Preferences) SetBool(key string, value bool) {
 	}
 }
 
-func (p *Preferences) SetInt(key string, value int) {
+func (p *keyValueStore) SetInt(key string, value int) {
 	p.Set(key, strconv.Itoa(value))
 }
+
+func (p *keyValueStore) SetFloat64(key string, value float64) {
+	p.Set(key, fmt.Sprintf("%v", value))
+}

internal/config/settings/kvs_test.go

@@ -0,0 +1,142 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package settings
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestLoadNoKeyValueStore(t *testing.T) {
+	r := require.New(t)
+	pref, clean := newTestEmptyKeyValueStore(r)
+	defer clean()
+
+	r.Equal("", pref.Get("key"))
+}
+
+func TestLoadBadKeyValueStore(t *testing.T) {
+	r := require.New(t)
+	path, clean := newTmpFile(r)
+	defer clean()
+
+	r.NoError(ioutil.WriteFile(path, []byte("{\"key\":\"MISSING_QUOTES"), 0700))
+	pref := newKeyValueStore(path)
+	r.Equal("", pref.Get("key"))
+}
+
+func TestKeyValueStor(t *testing.T) {
+	r := require.New(t)
+	pref, clean := newTestKeyValueStore(r)
+	defer clean()
+
+	r.Equal("value", pref.Get("str"))
+	r.Equal("42", pref.Get("int"))
+	r.Equal("true", pref.Get("bool"))
+	r.Equal("t", pref.Get("falseBool"))
+}
+
+func TestKeyValueStoreGetInt(t *testing.T) {
+	r := require.New(t)
+	pref, clean := newTestKeyValueStore(r)
+	defer clean()
+
+	r.Equal(0, pref.GetInt("str"))
+	r.Equal(42, pref.GetInt("int"))
+	r.Equal(0, pref.GetInt("bool"))
+	r.Equal(0, pref.GetInt("falseBool"))
+}
+
+func TestKeyValueStoreGetBool(t *testing.T) {
+	r := require.New(t)
+	pref, clean := newTestKeyValueStore(r)
+	defer clean()
+
+	r.Equal(false, pref.GetBool("str"))
+	r.Equal(false, pref.GetBool("int"))
+	r.Equal(true, pref.GetBool("bool"))
+	r.Equal(false, pref.GetBool("falseBool"))
+}
+
+func TestKeyValueStoreSetDefault(t *testing.T) {
+	r := require.New(t)
+	pref, clean := newTestEmptyKeyValueStore(r)
+	defer clean()
+
+	pref.setDefault("key", "value")
+	pref.setDefault("key", "othervalue")
+	r.Equal("value", pref.Get("key"))
+}
+
+func TestKeyValueStoreSet(t *testing.T) {
+	r := require.New(t)
+	pref, clean := newTestEmptyKeyValueStore(r)
+	defer clean()
+
+	pref.Set("str", "value")
+	checkSavedKeyValueStore(r, pref.path, "{\n\t\"str\": \"value\"\n}")
+}
+
+func TestKeyValueStoreSetInt(t *testing.T) {
+	r := require.New(t)
+	pref, clean := newTestEmptyKeyValueStore(r)
+	defer clean()
+
+	pref.SetInt("int", 42)
+	checkSavedKeyValueStore(r, pref.path, "{\n\t\"int\": \"42\"\n}")
+}
+
+func TestKeyValueStoreSetBool(t *testing.T) {
+	r := require.New(t)
+	pref, clean := newTestEmptyKeyValueStore(r)
+	defer clean()
+
+	pref.SetBool("trueBool", true)
+	pref.SetBool("falseBool", false)
+	checkSavedKeyValueStore(r, pref.path, "{\n\t\"falseBool\": \"false\",\n\t\"trueBool\": \"true\"\n}")
+}
+
+func newTmpFile(r *require.Assertions) (path string, clean func()) {
+	tmpfile, err := ioutil.TempFile("", "pref.*.json")
+	r.NoError(err)
+	defer r.NoError(tmpfile.Close())
+
+	return tmpfile.Name(), func() {
+		r.NoError(os.Remove(tmpfile.Name()))
+	}
+}
+
+func newTestEmptyKeyValueStore(r *require.Assertions) (*keyValueStore, func()) {
+	path, clean := newTmpFile(r)
+	return newKeyValueStore(path), clean
+}
+
+func newTestKeyValueStore(r *require.Assertions) (*keyValueStore, func()) {
+	path, clean := newTmpFile(r)
+	r.NoError(ioutil.WriteFile(path, []byte("{\"str\":\"value\",\"int\":\"42\",\"bool\":\"true\",\"falseBool\":\"t\"}"), 0700))
+	return newKeyValueStore(path), clean
+}
+
+func checkSavedKeyValueStore(r *require.Assertions, path, expected string) {
+	data, err := ioutil.ReadFile(path)
+	r.NoError(err)
+	r.Equal(expected, string(data))
+}

internal/config/settings/settings.go

@@ -0,0 +1,112 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// Package settings provides access to persistent user settings.
+package settings
+
+import (
+	"fmt"
+	"math/rand"
+	"path/filepath"
+	"time"
+)
+
+// Keys of preferences in JSON file.
+const (
+	FirstStartKey          = "first_time_start"
+	FirstStartGUIKey       = "first_time_start_gui"
+	LastHeartbeatKey       = "last_heartbeat"
+	APIPortKey             = "user_port_api"
+	IMAPPortKey            = "user_port_imap"
+	SMTPPortKey            = "user_port_smtp"
+	SMTPSSLKey             = "user_ssl_smtp"
+	AllowProxyKey          = "allow_proxy"
+	AutostartKey           = "autostart"
+	AutoUpdateKey          = "autoupdate"
+	CookiesKey             = "cookies"
+	ReportOutgoingNoEncKey = "report_outgoing_email_without_encryption"
+	LastVersionKey         = "last_used_version"
+	UpdateChannelKey       = "update_channel"
+	RolloutKey             = "rollout"
+	PreferredKeychainKey   = "preferred_keychain"
+	CacheEnabledKey        = "cache_enabled"
+	CacheCompressionKey    = "cache_compression"
+	CacheLocationKey       = "cache_location"
+	CacheMinFreeAbsKey     = "cache_min_free_abs"
+	CacheMinFreeRatKey     = "cache_min_free_rat"
+	CacheConcurrencyRead   = "cache_concurrent_read"
+	CacheConcurrencyWrite  = "cache_concurrent_write"
+	IMAPWorkers            = "imap_workers"
+	FetchWorkers           = "fetch_workers"
+	AttachmentWorkers      = "attachment_workers"
+	ColorScheme            = "color_scheme"
+)
+
+type Settings struct {
+	*keyValueStore
+
+	settingsPath string
+}
+
+func New(settingsPath string) *Settings {
+	s := &Settings{
+		keyValueStore: newKeyValueStore(filepath.Join(settingsPath, "prefs.json")),
+		settingsPath:  settingsPath,
+	}
+
+	s.setDefaultValues()
+
+	return s
+}
+
+const (
+	DefaultIMAPPort = "1143"
+	DefaultSMTPPort = "1025"
+	DefaultAPIPort  = "1042"
+)
+
+func (s *Settings) setDefaultValues() {
+	s.setDefault(FirstStartKey, "true")
+	s.setDefault(FirstStartGUIKey, "true")
+	s.setDefault(LastHeartbeatKey, fmt.Sprintf("%v", time.Now().YearDay()))
+	s.setDefault(AllowProxyKey, "true")
+	s.setDefault(AutostartKey, "true")
+	s.setDefault(AutoUpdateKey, "true")
+	s.setDefault(ReportOutgoingNoEncKey, "false")
+	s.setDefault(LastVersionKey, "")
+	s.setDefault(UpdateChannelKey, "")
+	s.setDefault(RolloutKey, fmt.Sprintf("%v", rand.Float64())) //nolint[gosec] G404 It is OK to use weak random number generator here
+	s.setDefault(PreferredKeychainKey, "")
+	s.setDefault(CacheEnabledKey, "true")
+	s.setDefault(CacheCompressionKey, "true")
+	s.setDefault(CacheLocationKey, "")
+	s.setDefault(CacheMinFreeAbsKey, "250000000")
+	s.setDefault(CacheMinFreeRatKey, "")
+	s.setDefault(CacheConcurrencyRead, "16")
+	s.setDefault(CacheConcurrencyWrite, "16")
+	s.setDefault(IMAPWorkers, "16")
+	s.setDefault(FetchWorkers, "16")
+	s.setDefault(AttachmentWorkers, "16")
+	s.setDefault(ColorScheme, "")
+
+	s.setDefault(APIPortKey, DefaultAPIPort)
+	s.setDefault(IMAPPortKey, DefaultIMAPPort)
+	s.setDefault(SMTPPortKey, DefaultSMTPPort)
+
+	// By default, stick to STARTTLS. If the user uses catalina+applemail they'll have to change to SSL.
+	s.setDefault(SMTPSSLKey, "false")
+}

internal/config/tls/cert_store_darwin.go

@@ -0,0 +1,53 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package tls
+
+import "os/exec"
+
+func addTrustedCert(certPath string) error {
+	return exec.Command( // nolint[gosec]
+		"/usr/bin/security",
+		"execute-with-privileges",
+		"/usr/bin/security",
+		"add-trusted-cert",
+		"-d",
+		"-r", "trustRoot",
+		"-p", "ssl",
+		"-k", "/Library/Keychains/System.keychain",
+		certPath,
+	).Run()
+}
+
+func removeTrustedCert(certPath string) error {
+	return exec.Command( // nolint[gosec]
+		"/usr/bin/security",
+		"execute-with-privileges",
+		"/usr/bin/security",
+		"remove-trusted-cert",
+		"-d",
+		certPath,
+	).Run()
+}
+
+func (t *TLS) InstallCerts() error {
+	return addTrustedCert(t.getTLSCertPath())
+}
+
+func (t *TLS) UninstallCerts() error {
+	return removeTrustedCert(t.getTLSCertPath())
+}

internal/config/tls/cert_store_linux.go

@@ -0,0 +1,26 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package tls
+
+func (t *TLS) InstallCerts() error {
+	return nil // Linux doesn't have a root cert store.
+}
+
+func (t *TLS) UninstallCerts() error {
+	return nil // Linux doesn't have a root cert store.
+}

internal/config/tls/cert_store_windows.go

@@ -0,0 +1,26 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package tls
+
+func (t *TLS) InstallCerts() error {
+	return nil // NOTE(GODT-986): Install certs to root cert store?
+}
+
+func (t *TLS) UninstallCerts() error {
+	return nil // NOTE(GODT-986): Uninstall certs from root cert store?
+}

internal/config/tls/tls.go

@@ -0,0 +1,155 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package tls
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/tls"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"fmt"
+	"math/big"
+	"net"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/pkg/errors"
+)
+
+type TLS struct {
+	settingsPath string
+}
+
+func New(settingsPath string) *TLS {
+	return &TLS{
+		settingsPath: settingsPath,
+	}
+}
+
+// NewTLSTemplate creates a new TLS template certificate with a random serial number.
+func NewTLSTemplate() (*x509.Certificate, error) {
+	serialNumber, err := rand.Int(rand.Reader, new(big.Int).Lsh(big.NewInt(1), 128))
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to generate serial number")
+	}
+
+	return &x509.Certificate{
+		SerialNumber: serialNumber,
+		Subject: pkix.Name{
+			Country:            []string{"CH"},
+			Organization:       []string{"Proton Technologies AG"},
+			OrganizationalUnit: []string{"ProtonMail"},
+			CommonName:         "127.0.0.1",
+		},
+		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth},
+		BasicConstraintsValid: true,
+		IsCA:                  true,
+		IPAddresses:           []net.IP{net.ParseIP("127.0.0.1")},
+		NotBefore:             time.Now(),
+		NotAfter:              time.Now().Add(20 * 365 * 24 * time.Hour),
+	}, nil
+}
+
+var ErrTLSCertExpiresSoon = fmt.Errorf("TLS certificate will expire soon")
+
+// getTLSCertPath returns path to certificate; used for TLS servers (IMAP, SMTP).
+func (t *TLS) getTLSCertPath() string {
+	return filepath.Join(t.settingsPath, "cert.pem")
+}
+
+// getTLSKeyPath returns path to private key; used for TLS servers (IMAP, SMTP).
+func (t *TLS) getTLSKeyPath() string {
+	return filepath.Join(t.settingsPath, "key.pem")
+}
+
+// HasCerts returns whether TLS certs have been generated.
+func (t *TLS) HasCerts() bool {
+	if _, err := os.Stat(t.getTLSCertPath()); err != nil {
+		return false
+	}
+
+	if _, err := os.Stat(t.getTLSKeyPath()); err != nil {
+		return false
+	}
+
+	return true
+}
+
+// GenerateCerts generates certs from the given template.
+func (t *TLS) GenerateCerts(template *x509.Certificate) error {
+	priv, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		return errors.Wrap(err, "failed to generate private key")
+	}
+
+	derBytes, err := x509.CreateCertificate(rand.Reader, template, template, &priv.PublicKey, priv)
+	if err != nil {
+		return errors.Wrap(err, "failed to create certificate")
+	}
+
+	certOut, err := os.Create(t.getTLSCertPath())
+	if err != nil {
+		return err
+	}
+	defer certOut.Close() // nolint[errcheck]
+
+	if err := pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}); err != nil {
+		return err
+	}
+
+	keyOut, err := os.OpenFile(t.getTLSKeyPath(), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return err
+	}
+	defer keyOut.Close() // nolint[errcheck]
+
+	return pem.Encode(keyOut, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(priv)})
+}
+
+// GetConfig tries to load TLS config or generate new one which is then returned.
+func (t *TLS) GetConfig() (*tls.Config, error) {
+	c, err := tls.LoadX509KeyPair(t.getTLSCertPath(), t.getTLSKeyPath())
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to load keypair")
+	}
+
+	c.Leaf, err = x509.ParseCertificate(c.Certificate[0])
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to parse certificate")
+	}
+
+	if time.Now().Add(31 * 24 * time.Hour).After(c.Leaf.NotAfter) {
+		return nil, ErrTLSCertExpiresSoon
+	}
+
+	caCertPool := x509.NewCertPool()
+	caCertPool.AddCert(c.Leaf)
+
+	// nolint[gosec]: We need to support older TLS versions for AppleMail and Outlook.
+	return &tls.Config{
+		Certificates: []tls.Certificate{c},
+		ServerName:   "127.0.0.1",
+		ClientAuth:   tls.VerifyClientCertIfGiven,
+		RootCAs:      caCertPool,
+		ClientCAs:    caCertPool,
+	}, nil
+}

internal/config/tls/tls_test.go

@@ -0,0 +1,77 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package tls
+
+import (
+	"io/ioutil"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetOldConfig(t *testing.T) {
+	dir, err := ioutil.TempDir("", "test-tls")
+	require.NoError(t, err)
+
+	// Create new tls object.
+	tls := New(dir)
+
+	// Create new TLS template.
+	tlsTemplate, err := NewTLSTemplate()
+	require.NoError(t, err)
+
+	// Make the template be an old key.
+	tlsTemplate.NotBefore = time.Now().Add(-365 * 24 * time.Hour)
+	tlsTemplate.NotAfter = time.Now()
+
+	// Generate the certs from the template.
+	require.NoError(t, tls.GenerateCerts(tlsTemplate))
+
+	// Generate the config from the certs -- it's going to expire soon so we don't want to use it.
+	_, err = tls.GetConfig()
+	require.Equal(t, err, ErrTLSCertExpiresSoon)
+}
+
+func TestGetValidConfig(t *testing.T) {
+	dir, err := ioutil.TempDir("", "test-tls")
+	require.NoError(t, err)
+
+	// Create new tls object.
+	tls := New(dir)
+
+	// Create new TLS template.
+	tlsTemplate, err := NewTLSTemplate()
+	require.NoError(t, err)
+
+	// Make the template be a new key.
+	tlsTemplate.NotBefore = time.Now()
+	tlsTemplate.NotAfter = time.Now().Add(2 * 365 * 24 * time.Hour)
+
+	// Generate the certs from the template.
+	require.NoError(t, tls.GenerateCerts(tlsTemplate))
+
+	// Generate the config from the certs -- it's not going to expire soon so we want to use it.
+	config, err := tls.GetConfig()
+	require.NoError(t, err)
+	require.Equal(t, len(config.Certificates), 1)
+
+	// Check the cert is valid.
+	now, notValidAfter := time.Now(), config.Certificates[0].Leaf.NotAfter
+	require.False(t, now.After(notValidAfter), "new certificate expected to be valid at %v but have valid until %v", now, notValidAfter)
+}

internal/config/useragent/platform.go

@@ -0,0 +1,61 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package useragent
+
+import (
+	"os/exec"
+	"runtime"
+	"strings"
+
+	"github.com/Masterminds/semver/v3"
+)
+
+// IsCatalinaOrNewer checks whether the host is MacOS Catalina 10.15.x or higher.
+func IsCatalinaOrNewer() bool {
+	return isThisDarwinNewerOrEqual(getMinCatalina())
+}
+
+// IsBigSurOrNewer checks whether the host is MacOS BigSur 10.16.x or higher.
+func IsBigSurOrNewer() bool {
+	return isThisDarwinNewerOrEqual(getMinBigSur())
+}
+
+func getMinCatalina() *semver.Version { return semver.MustParse("10.15.0") }
+func getMinBigSur() *semver.Version   { return semver.MustParse("10.16.0") }
+
+func isThisDarwinNewerOrEqual(minVersion *semver.Version) bool {
+	if runtime.GOOS != "darwin" {
+		return false
+	}
+
+	rawVersion, err := exec.Command("sw_vers", "-productVersion").Output()
+	if err != nil {
+		return false
+	}
+
+	return isVersionEqualOrNewer(minVersion, strings.TrimSpace(string(rawVersion)))
+}
+
+// isVersionEqualOrNewer is separated to be able to run test on other than darwin.
+func isVersionEqualOrNewer(minVersion *semver.Version, rawVersion string) bool {
+	semVersion, err := semver.NewVersion(rawVersion)
+	if err != nil {
+		return false
+	}
+	return semVersion.GreaterThan(minVersion) || semVersion.Equal(minVersion)
+}

internal/config/useragent/platform_test.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -34,10 +34,31 @@ func TestIsVersionCatalinaOrNewer(t *testing.T) {
 		{"10.15.0"}:  true,
 		{"10.16.0"}:  true,
 		{"11.0.0"}:   true,
+		{"11.1"}:     true,
 	}
 
 	for args, exp := range testData {
-		got := isVersionCatalinaOrNewer(args.version)
+		got := isVersionEqualOrNewer(getMinCatalina(), args.version)
+		assert.Equal(t, exp, got, "version %v", args.version)
+	}
+}
+
+func TestIsVersionBigSurOrNewer(t *testing.T) {
+	testData := map[struct{ version string }]bool{
+		{""}:         false,
+		{"9.0.0"}:    false,
+		{"9.15.0"}:   false,
+		{"10.13.0"}:  false,
+		{"10.14.0"}:  false,
+		{"10.14.99"}: false,
+		{"10.15.0"}:  false,
+		{"10.16.0"}:  true,
+		{"11.0.0"}:   true,
+		{"11.1"}:     true,
+	}
+
+	for args, exp := range testData {
+		got := isVersionEqualOrNewer(getMinBigSur(), args.version)
 		assert.Equal(t, exp, got, "version %v", args.version)
 	}
 }

internal/config/useragent/useragent.go

@@ -0,0 +1,59 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package useragent
+
+import (
+	"fmt"
+	"regexp"
+	"runtime"
+)
+
+type UserAgent struct {
+	client, platform string
+}
+
+func New() *UserAgent {
+	return &UserAgent{
+		client:   "",
+		platform: runtime.GOOS,
+	}
+}
+
+func (ua *UserAgent) SetClient(name, version string) {
+	ua.client = fmt.Sprintf("%v/%v", name, regexp.MustCompile(`(.*) \((.*)\)`).ReplaceAllString(version, "$1-$2"))
+}
+
+func (ua *UserAgent) HasClient() bool {
+	return ua.client != ""
+}
+
+func (ua *UserAgent) SetPlatform(platform string) {
+	ua.platform = platform
+}
+
+func (ua *UserAgent) String() string {
+	var client string
+
+	if ua.client != "" {
+		client = ua.client
+	} else {
+		client = "NoClient/0.0.1"
+	}
+
+	return fmt.Sprintf("%v (%v)", client, ua.platform)
+}

internal/config/useragent/useragent_test.go

@@ -0,0 +1,86 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package useragent
+
+import (
+	"fmt"
+	"runtime"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUserAgent(t *testing.T) {
+	tests := []struct {
+		name, version, platform string
+		want                    string
+	}{
+		// No name/version, no platform.
+		{
+			want: fmt.Sprintf("NoClient/0.0.1 (%v)", runtime.GOOS),
+		},
+
+		// No name/version, with platform.
+		{
+			platform: "macOS 10.15",
+			want:     "NoClient/0.0.1 (macOS 10.15)",
+		},
+
+		// With name/version, with platform.
+		{
+			name:     "Mac OS X Mail",
+			version:  "1.0.0",
+			platform: "macOS 10.15",
+			want:     "Mac OS X Mail/1.0.0 (macOS 10.15)",
+		},
+
+		// With name/version, with platform.
+		{
+			name:     "Mac OS X Mail",
+			version:  "13.4 (3608.120.23.2.4)",
+			platform: "macOS 10.15",
+			want:     "Mac OS X Mail/13.4-3608.120.23.2.4 (macOS 10.15)",
+		},
+
+		// With name/version, with platform.
+		{
+			name:     "Thunderbird",
+			version:  "78.6.1",
+			platform: "Windows 10 (10.0)",
+			want:     "Thunderbird/78.6.1 (Windows 10 (10.0))",
+		},
+	}
+
+	for _, test := range tests {
+		test := test
+
+		t.Run(test.want, func(t *testing.T) {
+			ua := New()
+
+			if test.name != "" && test.version != "" {
+				ua.SetClient(test.name, test.version)
+			}
+
+			if test.platform != "" {
+				ua.SetPlatform(test.platform)
+			}
+
+			assert.Equal(t, test.want, ua.String())
+		})
+	}
+}

internal/constants/constants.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.Bridge.
 //
@@ -18,6 +18,10 @@
 // Package constants contains variables that are set via ldflags during build.
 package constants
 
+import "fmt"
+
+const VendorName = "protonmail"
+
 // nolint[gochecknoglobals]
 var (
 	// Version of the build.
@@ -32,9 +36,6 @@ var (
 	// DSNSentry client keys to be able to report crashes to Sentry.
 	DSNSentry = ""
 
-	// LongVersion is derived from Version and Revision.
-	LongVersion = Version + " (" + Revision + ")"
-
 	// BuildVersion is derived from LongVersion and BuildTime.
-	BuildVersion = LongVersion + " " + BuildTime
+	BuildVersion = fmt.Sprintf("%v (%v) %v", Version, Revision, BuildTime)
 )

internal/constants/update_default.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -15,15 +15,14 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// List of import folder and their target
-import QtQuick 2.8
-import QtQuick.Controls 2.2
-import ProtonUI 1.0
-import ImportExportUI 1.0
+// +build !build_qa
 
-SelectFolderMenu {
-    id: root
-    folderType: gui.enums.folderTypeLabel
-}
+package constants
 
+import "time"
 
+// nolint[gochecknoglobals]
+var (
+	// UpdateCheckInterval defines how often we check for new version
+	UpdateCheckInterval = time.Hour //nolint[gochecknoglobals]
+)

internal/constants/update_qa.go

@@ -0,0 +1,28 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// +build build_qa
+
+package constants
+
+import "time"
+
+// nolint[gochecknoglobals]
+var (
+	// UpdateCheckInterval defines how often we check for new version
+	UpdateCheckInterval = time.Duration(5 * time.Minute)
+)

internal/cookies/jar.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -19,46 +19,41 @@
 package cookies
 
 import (
+	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/http/cookiejar"
 	"net/url"
 	"sync"
+	"time"
 
-	"github.com/sirupsen/logrus"
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
 )
 
+type cookiesByHost map[string][]*http.Cookie
+
 // Jar implements http.CookieJar by wrapping the standard library's cookiejar.Jar.
 // The jar uses a pantry to load cookies at startup and save cookies when set.
 type Jar struct {
-	jar    *cookiejar.Jar
-	pantry *pantry
-	locker sync.Locker
+	jar      *cookiejar.Jar
+	settings *settings.Settings
+	cookies  cookiesByHost
+	locker   sync.Locker
 }
 
-type GetterSetter interface {
-	Get(string) string
-	Set(string, string)
-}
-
-func NewCookieJar(gs GetterSetter) (*Jar, error) {
-	pantry := &pantry{gs: gs}
-
-	if err := pantry.discardExpiredCookies(); err != nil {
-		return nil, err
-	}
-
-	cookies, err := pantry.loadFromJSON()
-	if err != nil {
-		return nil, err
-	}
-
+func NewCookieJar(s *settings.Settings) (*Jar, error) {
 	jar, err := cookiejar.New(nil)
 	if err != nil {
 		return nil, err
 	}
 
-	for rawURL, cookies := range cookies {
-		url, err := url.Parse(rawURL)
+	cookiesByHost, err := loadCookies(s)
+	if err != nil {
+		return nil, err
+	}
+
+	for host, cookies := range cookiesByHost {
+		url, err := url.Parse(host)
 		if err != nil {
 			continue
 		}
@@ -67,9 +62,10 @@ func NewCookieJar(gs GetterSetter) (*Jar, error) {
 	}
 
 	return &Jar{
-		jar:    jar,
-		pantry: pantry,
-		locker: &sync.Mutex{},
+		jar:      jar,
+		settings: s,
+		cookies:  cookiesByHost,
+		locker:   &sync.Mutex{},
 	}, nil
 }
 
@@ -79,9 +75,13 @@ func (j *Jar) SetCookies(u *url.URL, cookies []*http.Cookie) {
 
 	j.jar.SetCookies(u, cookies)
 
-	if err := j.pantry.persistCookies(u.Scheme+"://"+u.Host, cookies); err != nil {
-		logrus.WithError(err).Warn("Failed to persist cookie")
+	for _, cookie := range cookies {
+		if cookie.MaxAge > 0 {
+			cookie.Expires = time.Now().Add(time.Duration(cookie.MaxAge) * time.Second)
+		}
 	}
+
+	j.cookies[fmt.Sprintf("%v://%v", u.Scheme, u.Host)] = cookies
 }
 
 func (j *Jar) Cookies(u *url.URL) []*http.Cookie {
@@ -90,3 +90,54 @@ func (j *Jar) Cookies(u *url.URL) []*http.Cookie {
 
 	return j.jar.Cookies(u)
 }
+
+// PersistCookies persists the cookies to disk.
+func (j *Jar) PersistCookies() error {
+	j.locker.Lock()
+	defer j.locker.Unlock()
+
+	rawCookies, err := json.Marshal(j.cookies)
+	if err != nil {
+		return err
+	}
+
+	j.settings.Set(settings.CookiesKey, string(rawCookies))
+
+	return nil
+}
+
+// loadCookies loads all non-expired cookies from disk.
+func loadCookies(s *settings.Settings) (cookiesByHost, error) {
+	rawCookies := s.Get(settings.CookiesKey)
+
+	if rawCookies == "" {
+		return make(cookiesByHost), nil
+	}
+
+	var cookiesByHost cookiesByHost
+
+	if err := json.Unmarshal([]byte(rawCookies), &cookiesByHost); err != nil {
+		return nil, err
+	}
+
+	for host, cookies := range cookiesByHost {
+		if validCookies := discardExpiredCookies(cookies); len(validCookies) > 0 {
+			cookiesByHost[host] = validCookies
+		}
+	}
+
+	return cookiesByHost, nil
+}
+
+// discardExpiredCookies returns all the given cookies which aren't expired.
+func discardExpiredCookies(cookies []*http.Cookie) []*http.Cookie {
+	var validCookies []*http.Cookie
+
+	for _, cookie := range cookies {
+		if cookie.Expires.After(time.Now()) {
+			validCookies = append(validCookies, cookie)
+		}
+	}
+
+	return validCookies
+}

internal/cookies/jar_test.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -18,11 +18,13 @@
 package cookies
 
 import (
+	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
 	"testing"
 	"time"
 
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -35,7 +37,7 @@ func TestJarGetSet(t *testing.T) {
 	})
 	defer ts.Close()
 
-	client := getClientWithJar(t, make(testGetterSetter))
+	client, _ := getClientWithJar(t, newFakeSettings())
 
 	// Hit a server that sets some cookies.
 	setRes, err := client.Get(ts.URL + "/set")
@@ -61,10 +63,10 @@ func TestJarLoad(t *testing.T) {
 	defer ts.Close()
 
 	// This will be our "persistent storage" from which the cookie jar should load cookies.
-	gs := make(testGetterSetter)
+	s := newFakeSettings()
 
 	// This client saves cookies to persistent storage.
-	oldClient := getClientWithJar(t, gs)
+	oldClient, jar := getClientWithJar(t, s)
 
 	// Hit a server that sets some cookies.
 	setRes, err := oldClient.Get(ts.URL + "/set")
@@ -73,8 +75,11 @@ func TestJarLoad(t *testing.T) {
 	}
 	require.NoError(t, setRes.Body.Close())
 
+	// Save the cookies.
+	require.NoError(t, jar.PersistCookies())
+
 	// This client loads cookies from persistent storage.
-	newClient := getClientWithJar(t, gs)
+	newClient, _ := getClientWithJar(t, s)
 
 	// Hit a server that checks the cookies are there.
 	getRes, err := newClient.Get(ts.URL + "/get")
@@ -93,10 +98,10 @@ func TestJarExpiry(t *testing.T) {
 	defer ts.Close()
 
 	// This will be our "persistent storage" from which the cookie jar should load cookies.
-	gs := make(testGetterSetter)
+	s := newFakeSettings()
 
 	// This client saves cookies to persistent storage.
-	oldClient := getClientWithJar(t, gs)
+	oldClient, jar1 := getClientWithJar(t, s)
 
 	// Hit a server that sets some cookies.
 	setRes, err := oldClient.Get(ts.URL + "/set")
@@ -105,15 +110,21 @@ func TestJarExpiry(t *testing.T) {
 	}
 	require.NoError(t, setRes.Body.Close())
 
+	// Save the cookies.
+	require.NoError(t, jar1.PersistCookies())
+
 	// Wait until the second cookie expires.
 	time.Sleep(2 * time.Second)
 
 	// Load a client, which will clear out expired cookies.
-	_ = getClientWithJar(t, gs)
+	_, jar2 := getClientWithJar(t, s)
 
-	assert.Contains(t, gs["cookies"], "TestName1")
-	assert.NotContains(t, gs["cookies"], "TestName2")
-	assert.Contains(t, gs["cookies"], "TestName3")
+	// Save the cookies (expired ones were cleared out).
+	require.NoError(t, jar2.PersistCookies())
+
+	assert.Contains(t, s.Get(settings.CookiesKey), "TestName1")
+	assert.NotContains(t, s.Get(settings.CookiesKey), "TestName2")
+	assert.Contains(t, s.Get(settings.CookiesKey), "TestName3")
 }
 
 type testCookie struct {
@@ -121,11 +132,11 @@ type testCookie struct {
 	maxAge      int
 }
 
-func getClientWithJar(t *testing.T, gs GetterSetter) *http.Client {
-	jar, err := NewCookieJar(gs)
+func getClientWithJar(t *testing.T, s *settings.Settings) (*http.Client, *Jar) {
+	jar, err := NewCookieJar(s)
 	require.NoError(t, err)
 
-	return &http.Client{Jar: jar}
+	return &http.Client{Jar: jar}, jar
 }
 
 func getTestServer(t *testing.T, wantCookies []testCookie) *httptest.Server {
@@ -157,12 +168,12 @@ func getTestServer(t *testing.T, wantCookies []testCookie) *httptest.Server {
 	return httptest.NewServer(mux)
 }
 
-type testGetterSetter map[string]string
+// newFakeSettings creates a temporary folder for files.
+func newFakeSettings() *settings.Settings {
+	dir, err := ioutil.TempDir("", "test-settings")
+	if err != nil {
+		panic(err)
+	}
 
-func (p testGetterSetter) Set(key, value string) {
-	p[key] = value
-}
-
-func (p testGetterSetter) Get(key string) string {
-	return p[key]
+	return settings.New(dir)
 }

internal/cookies/pantry.go

@@ -1,100 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package cookies
-
-import (
-	"encoding/json"
-	"net/http"
-	"time"
-
-	"github.com/ProtonMail/proton-bridge/internal/preferences"
-)
-
-// pantry persists and loads cookies to some persistent storage location.
-type pantry struct {
-	gs GetterSetter
-}
-
-func (p *pantry) persistCookies(host string, cookies []*http.Cookie) error {
-	for _, cookie := range cookies {
-		if cookie.MaxAge > 0 {
-			cookie.Expires = time.Now().Add(time.Duration(cookie.MaxAge) * time.Second)
-		}
-	}
-
-	cookiesByHost, err := p.loadFromJSON()
-	if err != nil {
-		return err
-	}
-
-	cookiesByHost[host] = cookies
-
-	return p.saveToJSON(cookiesByHost)
-}
-
-func (p *pantry) discardExpiredCookies() error {
-	cookiesByHost, err := p.loadFromJSON()
-	if err != nil {
-		return err
-	}
-
-	for host, cookies := range cookiesByHost {
-		cookiesByHost[host] = discardExpiredCookies(cookies)
-	}
-
-	return p.saveToJSON(cookiesByHost)
-}
-
-type cookiesByHost map[string][]*http.Cookie
-
-func (p *pantry) loadFromJSON() (cookiesByHost, error) {
-	b := p.gs.Get(preferences.CookiesKey)
-
-	if b == "" {
-		return make(cookiesByHost), nil
-	}
-
-	var cookies cookiesByHost
-
-	if err := json.Unmarshal([]byte(b), &cookies); err != nil {
-		return nil, err
-	}
-
-	return cookies, nil
-}
-
-func (p *pantry) saveToJSON(cookies cookiesByHost) error {
-	b, err := json.Marshal(cookies)
-	if err != nil {
-		return err
-	}
-
-	p.gs.Set(preferences.CookiesKey, string(b))
-
-	return nil
-}
-
-func discardExpiredCookies(cookies []*http.Cookie) (validCookies []*http.Cookie) {
-	for _, cookie := range cookies {
-		if cookie.Expires.After(time.Now()) {
-			validCookies = append(validCookies, cookie)
-		}
-	}
-
-	return
-}

internal/crash/actions.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -15,42 +15,28 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-package message
+package crash
 
 import (
-	"net/mail"
-	"strings"
+	"fmt"
 
-	"github.com/emersion/go-imap"
+	"github.com/0xAX/notificator"
 )
 
-func getAddresses(addrs []*mail.Address) (imapAddrs []*imap.Address) {
-	for _, a := range addrs {
-		if a == nil {
-			continue
-		}
-
-		parts := strings.SplitN(a.Address, "@", 2)
-		if len(parts) != 2 {
-			continue
-		}
-
-		imapAddrs = append(imapAddrs, &imap.Address{
-			PersonalName: a.Name,
-			MailboxName:  parts[0],
-			HostName:     parts[1],
+// ShowErrorNotification shows a system notification that the app with the given appName has crashed.
+// NOTE: Icons shouldn't be hardcoded.
+func ShowErrorNotification(appName string) RecoveryAction {
+	return func(r interface{}) error {
+		notify := notificator.New(notificator.Options{
+			DefaultIcon: "../frontend/ui/icon/icon.png",
+			AppName:     appName,
 		})
-	}
 
-	return
-}
-
-func formatAddressList(addrs []*mail.Address) (s string) {
-	for i, addr := range addrs {
-		if i > 0 {
-			s += ", "
-		}
-		s += addr.String()
+		return notify.Push(
+			"Fatal Error",
+			fmt.Sprintf("%v has encountered a fatal error.", appName),
+			"/frontend/icon/icon.png",
+			notificator.UR_CRITICAL,
+		)
 	}
-	return
 }

internal/crash/handler.go

@@ -0,0 +1,54 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// Package crash implements a crash handler with configurable recovery actions.
+package crash
+
+import (
+	"github.com/ProtonMail/proton-bridge/internal/sentry"
+	"github.com/sirupsen/logrus"
+)
+
+type RecoveryAction func(interface{}) error
+
+type Handler struct {
+	actions []RecoveryAction
+}
+
+func NewHandler(actions ...RecoveryAction) *Handler {
+	return &Handler{actions: actions}
+}
+
+func (h *Handler) AddRecoveryAction(action RecoveryAction) *Handler {
+	h.actions = append(h.actions, action)
+	return h
+}
+
+func (h *Handler) HandlePanic() {
+	sentry.SkipDuringUnwind()
+
+	r := recover()
+	if r == nil {
+		return
+	}
+
+	for _, action := range h.actions {
+		if err := action(r); err != nil {
+			logrus.WithError(err).Error("Failed to execute recovery action")
+		}
+	}
+}

internal/crash/handler_test.go

@@ -0,0 +1,58 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package crash
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestHandler(t *testing.T) {
+	var s string
+
+	h := NewHandler(
+		func(r interface{}) error {
+			s += fmt.Sprintf("1: %v\n", r)
+			return nil
+		},
+		func(r interface{}) error {
+			s += fmt.Sprintf("2: %v\n", r)
+			return nil
+		},
+	)
+
+	h.
+		AddRecoveryAction(func(r interface{}) error {
+			s += fmt.Sprintf("3: %v\n", r)
+			return nil
+		}).
+		AddRecoveryAction(func(r interface{}) error {
+			s += fmt.Sprintf("4: %v\n", r)
+			return nil
+		})
+
+	defer func() {
+		assert.Equal(t, "1: thing\n2: thing\n3: thing\n4: thing\n", s)
+	}()
+
+	defer h.HandlePanic()
+
+	panic("thing")
+}

internal/events/events.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -27,6 +27,7 @@ import (
 // Constants of events used by the event listener in bridge.
 const (
 	ErrorEvent                   = "error"
+	CredentialsErrorEvent        = "credentialsError"
 	CloseConnectionEvent         = "closeConnection"
 	LogoutEvent                  = "logout"
 	AddressChangedEvent          = "addressChanged"
@@ -40,7 +41,7 @@ const (
 	NoActiveKeyForRecipientEvent = "noActiveKeyForRecipient"
 	UpgradeApplicationEvent      = "upgradeApplication"
 	TLSCertIssue                 = "tlsCertPinningIssue"
-	IMAPTLSBadCert               = "imapTLSBadCert"
+	UserChangeDone               = "QMLUserChangedDone"
 
 	// LogoutEventTimeout is the minimum time to permit between logout events being sent.
 	LogoutEventTimeout = 3 * time.Minute
@@ -49,6 +50,11 @@ const (
 // SetupEvents specific to event type and data.
 func SetupEvents(listener listener.Listener) {
 	listener.SetLimit(LogoutEvent, LogoutEventTimeout)
-	listener.SetBuffer(TLSCertIssue)
 	listener.SetBuffer(ErrorEvent)
+	listener.SetBuffer(CredentialsErrorEvent)
+	listener.SetBuffer(InternetOffEvent)
+	listener.SetBuffer(UpgradeApplicationEvent)
+	listener.SetBuffer(TLSCertIssue)
+	listener.SetBuffer(UserRefreshEvent)
+	listener.Book(UserChangeDone)
 }

internal/frontend/.gitignore

@@ -0,0 +1,11 @@
+# Auto generated
+moc.cpp
+moc.go
+moc.h
+moc_cgo_*.go
+moc_moc.h
+rcc.cpp
+rcc.qrc
+rcc_cgo_*.go
+*.qmlc
+

internal/frontend/Makefile.local

@@ -0,0 +1,14 @@
+FILES=$(shell find  .  -iname 'rcc.qrc')
+FILES+=$(shell find . -iname 'rcc.cpp')
+FILES+=$(shell find . -iname 'rcc_cgo*.go')
+
+FILES+=$(shell find . -iname 'moc.go')
+FILES+=$(shell find . -iname 'moc.cpp')
+FILES+=$(shell find . -iname 'moc.h')
+FILES+=$(shell find . -iname 'moc_cgo*.go')
+
+FILES+=$(shell find ./qml -iname '*.qmlc')
+
+clean:
+	rm -f ${FILES}
+

internal/frontend/cli-ie/account_utils.go

@@ -1,100 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package cliie
-
-import (
-	"fmt"
-	"strconv"
-	"strings"
-
-	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
-	"github.com/abiosoft/ishell"
-)
-
-// completeUsernames is a helper to complete usernames as the user types.
-func (f *frontendCLI) completeUsernames(args []string) (usernames []string) {
-	if len(args) > 1 {
-		return
-	}
-	arg := ""
-	if len(args) == 1 {
-		arg = args[0]
-	}
-	for _, user := range f.ie.GetUsers() {
-		if strings.HasPrefix(strings.ToLower(user.Username()), strings.ToLower(arg)) {
-			usernames = append(usernames, user.Username())
-		}
-	}
-	return
-}
-
-// noAccountWrapper is a decorator for functions which need any account to be properly functional.
-func (f *frontendCLI) noAccountWrapper(callback func(*ishell.Context)) func(*ishell.Context) {
-	return func(c *ishell.Context) {
-		users := f.ie.GetUsers()
-		if len(users) == 0 {
-			f.Println("No active accounts. Please add account to continue.")
-		} else {
-			callback(c)
-		}
-	}
-}
-
-func (f *frontendCLI) askUserByIndexOrName(c *ishell.Context) types.User {
-	user := f.getUserByIndexOrName("")
-	if user != nil {
-		return user
-	}
-
-	numberOfAccounts := len(f.ie.GetUsers())
-	indexRange := fmt.Sprintf("number between 0 and %d", numberOfAccounts-1)
-	if len(c.Args) == 0 {
-		f.Printf("Please choose %s or username.\n", indexRange)
-		return nil
-	}
-	arg := c.Args[0]
-	user = f.getUserByIndexOrName(arg)
-	if user == nil {
-		f.Printf("Wrong input '%s'. Choose %s or username.\n", bold(arg), indexRange)
-		return nil
-	}
-	return user
-}
-
-func (f *frontendCLI) getUserByIndexOrName(arg string) types.User {
-	users := f.ie.GetUsers()
-	numberOfAccounts := len(users)
-	if numberOfAccounts == 0 {
-		return nil
-	}
-	if numberOfAccounts == 1 {
-		return users[0]
-	}
-	if index, err := strconv.Atoi(arg); err == nil {
-		if index < 0 || index >= numberOfAccounts {
-			return nil
-		}
-		return users[index]
-	}
-	for _, user := range users {
-		if user.Username() == arg {
-			return user
-		}
-	}
-	return nil
-}

internal/frontend/cli-ie/accounts.go

@@ -1,153 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package cliie
-
-import (
-	"strings"
-
-	"github.com/abiosoft/ishell"
-)
-
-func (f *frontendCLI) listAccounts(c *ishell.Context) {
-	spacing := "%-2d: %-20s (%-15s, %-15s)\n"
-	f.Printf(bold(strings.Replace(spacing, "d", "s", -1)), "#", "account", "status", "address mode")
-	for idx, user := range f.ie.GetUsers() {
-		connected := "disconnected"
-		if user.IsConnected() {
-			connected = "connected"
-		}
-		mode := "split"
-		if user.IsCombinedAddressMode() {
-			mode = "combined"
-		}
-		f.Printf(spacing, idx, user.Username(), connected, mode)
-	}
-	f.Println()
-}
-
-func (f *frontendCLI) loginAccount(c *ishell.Context) { // nolint[funlen]
-	f.ShowPrompt(false)
-	defer f.ShowPrompt(true)
-
-	loginName := ""
-	if len(c.Args) > 0 {
-		user := f.getUserByIndexOrName(c.Args[0])
-		if user != nil {
-			loginName = user.GetPrimaryAddress()
-		}
-	}
-
-	if loginName == "" {
-		loginName = f.readStringInAttempts("Username", c.ReadLine, isNotEmpty)
-		if loginName == "" {
-			return
-		}
-	} else {
-		f.Println("Username:", loginName)
-	}
-
-	password := f.readStringInAttempts("Password", c.ReadPassword, isNotEmpty)
-	if password == "" {
-		return
-	}
-
-	f.Println("Authenticating ... ")
-	client, auth, err := f.ie.Login(loginName, password)
-	if err != nil {
-		f.processAPIError(err)
-		return
-	}
-
-	if auth.HasTwoFactor() {
-		twoFactor := f.readStringInAttempts("Two factor code", c.ReadLine, isNotEmpty)
-		if twoFactor == "" {
-			return
-		}
-
-		err = client.Auth2FA(twoFactor, auth)
-		if err != nil {
-			f.processAPIError(err)
-			return
-		}
-	}
-
-	mailboxPassword := password
-	if auth.HasMailboxPassword() {
-		mailboxPassword = f.readStringInAttempts("Mailbox password", c.ReadPassword, isNotEmpty)
-	}
-	if mailboxPassword == "" {
-		return
-	}
-
-	f.Println("Adding account ...")
-	user, err := f.ie.FinishLogin(client, auth, mailboxPassword)
-	if err != nil {
-		log.WithField("username", loginName).WithError(err).Error("Login was unsuccessful")
-		f.Println("Adding account was unsuccessful:", err)
-		return
-	}
-
-	f.Printf("Account %s was added successfully.\n", bold(user.Username()))
-}
-
-func (f *frontendCLI) logoutAccount(c *ishell.Context) {
-	f.ShowPrompt(false)
-	defer f.ShowPrompt(true)
-
-	user := f.askUserByIndexOrName(c)
-	if user == nil {
-		return
-	}
-	if f.yesNoQuestion("Are you sure you want to logout account " + bold(user.Username())) {
-		if err := user.Logout(); err != nil {
-			f.printAndLogError("Logging out failed: ", err)
-		}
-	}
-}
-
-func (f *frontendCLI) deleteAccount(c *ishell.Context) {
-	f.ShowPrompt(false)
-	defer f.ShowPrompt(true)
-
-	user := f.askUserByIndexOrName(c)
-	if user == nil {
-		return
-	}
-	if f.yesNoQuestion("Are you sure you want to " + bold("remove account "+user.Username())) {
-		clearCache := f.yesNoQuestion("Do you want to remove cache for this account")
-		if err := f.ie.DeleteUser(user.ID(), clearCache); err != nil {
-			f.printAndLogError("Cannot delete account: ", err)
-			return
-		}
-	}
-}
-
-func (f *frontendCLI) deleteAccounts(c *ishell.Context) {
-	f.ShowPrompt(false)
-	defer f.ShowPrompt(true)
-
-	if !f.yesNoQuestion("Do you really want remove all accounts") {
-		return
-	}
-	for _, user := range f.ie.GetUsers() {
-		if err := f.ie.DeleteUser(user.ID(), false); err != nil {
-			f.printAndLogError("Cannot delete account ", user.Username(), ": ", err)
-		}
-	}
-	c.Println("Keychain cleared")
-}

internal/frontend/cli-ie/frontend.go

@@ -1,237 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Package cliie provides CLI interface of the Import-Export app.
-package cliie
-
-import (
-	"github.com/ProtonMail/proton-bridge/internal/events"
-	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
-	"github.com/ProtonMail/proton-bridge/pkg/config"
-	"github.com/ProtonMail/proton-bridge/pkg/listener"
-
-	"github.com/abiosoft/ishell"
-	"github.com/sirupsen/logrus"
-)
-
-var (
-	log = logrus.WithField("pkg", "frontend/cli-ie") //nolint[gochecknoglobals]
-)
-
-type frontendCLI struct {
-	*ishell.Shell
-
-	config        *config.Config
-	eventListener listener.Listener
-	updates       types.Updater
-	ie            types.ImportExporter
-
-	appRestart bool
-}
-
-// New returns a new CLI frontend configured with the given options.
-func New( //nolint[funlen]
-	panicHandler types.PanicHandler,
-	config *config.Config,
-	eventListener listener.Listener,
-	updates types.Updater,
-	ie types.ImportExporter,
-) *frontendCLI { //nolint[golint]
-	fe := &frontendCLI{
-		Shell: ishell.New(),
-
-		config:        config,
-		eventListener: eventListener,
-		updates:       updates,
-		ie:            ie,
-
-		appRestart: false,
-	}
-
-	// Clear commands.
-	clearCmd := &ishell.Cmd{Name: "clear",
-		Help:    "remove stored accounts and preferences. (alias: cl)",
-		Aliases: []string{"cl"},
-	}
-	clearCmd.AddCmd(&ishell.Cmd{Name: "accounts",
-		Help:    "remove all accounts from keychain. (aliases: a, k, keychain)",
-		Aliases: []string{"a", "k", "keychain"},
-		Func:    fe.deleteAccounts,
-	})
-	fe.AddCmd(clearCmd)
-
-	// Check commands.
-	checkCmd := &ishell.Cmd{Name: "check", Help: "check internet connection or new version."}
-	checkCmd.AddCmd(&ishell.Cmd{Name: "updates",
-		Help:    "check for Import-Export updates. (aliases: u, v, version)",
-		Aliases: []string{"u", "version", "v"},
-		Func:    fe.checkUpdates,
-	})
-	checkCmd.AddCmd(&ishell.Cmd{Name: "internet",
-		Help:    "check internet connection. (aliases: i, conn, connection)",
-		Aliases: []string{"i", "con", "connection"},
-		Func:    fe.checkInternetConnection,
-	})
-	fe.AddCmd(checkCmd)
-
-	// Print info commands.
-	fe.AddCmd(&ishell.Cmd{Name: "log-dir",
-		Help:    "print path to directory with logs. (aliases: log, logs)",
-		Aliases: []string{"log", "logs"},
-		Func:    fe.printLogDir,
-	})
-	fe.AddCmd(&ishell.Cmd{Name: "manual",
-		Help:    "print URL with instructions. (alias: man)",
-		Aliases: []string{"man"},
-		Func:    fe.printManual,
-	})
-	fe.AddCmd(&ishell.Cmd{Name: "release-notes",
-		Help:    "print release notes. (aliases: notes, fixed-bugs, bugs, ver, version)",
-		Aliases: []string{"notes", "fixed-bugs", "bugs", "ver", "version"},
-		Func:    fe.printLocalReleaseNotes,
-	})
-	fe.AddCmd(&ishell.Cmd{Name: "credits",
-		Help: "print used resources.",
-		Func: fe.printCredits,
-	})
-
-	// Account commands.
-	fe.AddCmd(&ishell.Cmd{Name: "list",
-		Help:    "print the list of accounts. (aliases: l, ls)",
-		Func:    fe.noAccountWrapper(fe.listAccounts),
-		Aliases: []string{"l", "ls"},
-	})
-	fe.AddCmd(&ishell.Cmd{Name: "login",
-		Help:      "login procedure to add or connect account. Optionally use index or account as parameter. (aliases: a, add, con, connect)",
-		Func:      fe.loginAccount,
-		Aliases:   []string{"add", "a", "con", "connect"},
-		Completer: fe.completeUsernames,
-	})
-	fe.AddCmd(&ishell.Cmd{Name: "logout",
-		Help:      "disconnect the account. Use index or account name as parameter. (aliases: d, disconnect)",
-		Func:      fe.noAccountWrapper(fe.logoutAccount),
-		Aliases:   []string{"d", "disconnect"},
-		Completer: fe.completeUsernames,
-	})
-	fe.AddCmd(&ishell.Cmd{Name: "delete",
-		Help:      "remove the account from keychain. Use index or account name as parameter. (aliases: del, rm, remove)",
-		Func:      fe.noAccountWrapper(fe.deleteAccount),
-		Aliases:   []string{"del", "rm", "remove"},
-		Completer: fe.completeUsernames,
-	})
-
-	// Import-Export commands.
-	importCmd := &ishell.Cmd{Name: "import",
-		Help:    "import messages. (alias: imp)",
-		Aliases: []string{"imp"},
-	}
-	importCmd.AddCmd(&ishell.Cmd{Name: "local",
-		Help:    "import local messages. (aliases: loc)",
-		Func:    fe.noAccountWrapper(fe.importLocalMessages),
-		Aliases: []string{"loc"},
-	})
-	importCmd.AddCmd(&ishell.Cmd{Name: "remote",
-		Help:    "import remote messages. (aliases: rem)",
-		Func:    fe.noAccountWrapper(fe.importRemoteMessages),
-		Aliases: []string{"rem"},
-	})
-	fe.AddCmd(importCmd)
-
-	exportCmd := &ishell.Cmd{Name: "export",
-		Help:    "export messages. (alias: exp)",
-		Aliases: []string{"exp"},
-	}
-	exportCmd.AddCmd(&ishell.Cmd{Name: "eml",
-		Help: "export messages to eml files.",
-		Func: fe.noAccountWrapper(fe.exportMessagesToEML),
-	})
-	exportCmd.AddCmd(&ishell.Cmd{Name: "mbox",
-		Help: "export messages to mbox files.",
-		Func: fe.noAccountWrapper(fe.exportMessagesToMBOX),
-	})
-	fe.AddCmd(exportCmd)
-
-	// System commands.
-	fe.AddCmd(&ishell.Cmd{Name: "restart",
-		Help: "restart the Import-Export app.",
-		Func: fe.restart,
-	})
-
-	go func() {
-		defer panicHandler.HandlePanic()
-		fe.watchEvents()
-	}()
-	fe.eventListener.RetryEmit(events.TLSCertIssue)
-	fe.eventListener.RetryEmit(events.ErrorEvent)
-	return fe
-}
-
-func (f *frontendCLI) watchEvents() {
-	errorCh := f.getEventChannel(events.ErrorEvent)
-	internetOffCh := f.getEventChannel(events.InternetOffEvent)
-	internetOnCh := f.getEventChannel(events.InternetOnEvent)
-	addressChangedLogoutCh := f.getEventChannel(events.AddressChangedLogoutEvent)
-	logoutCh := f.getEventChannel(events.LogoutEvent)
-	certIssue := f.getEventChannel(events.TLSCertIssue)
-	for {
-		select {
-		case errorDetails := <-errorCh:
-			f.Println("Import-Export failed:", errorDetails)
-		case <-internetOffCh:
-			f.notifyInternetOff()
-		case <-internetOnCh:
-			f.notifyInternetOn()
-		case address := <-addressChangedLogoutCh:
-			f.notifyLogout(address)
-		case userID := <-logoutCh:
-			user, err := f.ie.GetUser(userID)
-			if err != nil {
-				return
-			}
-			f.notifyLogout(user.Username())
-		case <-certIssue:
-			f.notifyCertIssue()
-		}
-	}
-}
-
-func (f *frontendCLI) getEventChannel(event string) <-chan string {
-	ch := make(chan string)
-	f.eventListener.Add(event, ch)
-	return ch
-}
-
-// IsAppRestarting returns whether the app is currently set to restart.
-func (f *frontendCLI) IsAppRestarting() bool {
-	return f.appRestart
-}
-
-// Loop starts the frontend loop with an interactive shell.
-func (f *frontendCLI) Loop(credentialsError error) error {
-	if credentialsError != nil {
-		f.notifyCredentialsError()
-		return credentialsError
-	}
-
-	f.Print(`
-Welcome to ProtonMail Import-Export app interactive shell
-
-WARNING: The CLI is an experimental feature and does not yet cover all functionality.
-	`)
-	f.Run()
-	return nil
-}

internal/frontend/cli-ie/importexport.go

@@ -1,224 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package cliie
-
-import (
-	"fmt"
-	"os"
-	"strings"
-	"time"
-
-	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
-	"github.com/ProtonMail/proton-bridge/internal/transfer"
-	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
-	"github.com/abiosoft/ishell"
-)
-
-func (f *frontendCLI) importLocalMessages(c *ishell.Context) {
-	f.ShowPrompt(false)
-	defer f.ShowPrompt(true)
-
-	user, path := f.getUserAndPath(c, false)
-	if user == nil || path == "" {
-		return
-	}
-
-	t, err := f.ie.GetLocalImporter(user.GetPrimaryAddress(), path)
-	f.transfer(t, err, false, true)
-}
-
-func (f *frontendCLI) importRemoteMessages(c *ishell.Context) {
-	f.ShowPrompt(false)
-	defer f.ShowPrompt(true)
-
-	user := f.askUserByIndexOrName(c)
-	if user == nil {
-		return
-	}
-
-	username := f.readStringInAttempts("IMAP username", c.ReadLine, isNotEmpty)
-	if username == "" {
-		return
-	}
-	password := f.readStringInAttempts("IMAP password", c.ReadPassword, isNotEmpty)
-	if password == "" {
-		return
-	}
-	host := f.readStringInAttempts("IMAP host", c.ReadLine, isNotEmpty)
-	if host == "" {
-		return
-	}
-	port := f.readStringInAttempts("IMAP port", c.ReadLine, isNotEmpty)
-	if port == "" {
-		return
-	}
-
-	t, err := f.ie.GetRemoteImporter(user.GetPrimaryAddress(), username, password, host, port)
-	f.transfer(t, err, false, true)
-}
-
-func (f *frontendCLI) exportMessagesToEML(c *ishell.Context) {
-	f.ShowPrompt(false)
-	defer f.ShowPrompt(true)
-
-	user, path := f.getUserAndPath(c, true)
-	if user == nil || path == "" {
-		return
-	}
-
-	t, err := f.ie.GetEMLExporter(user.GetPrimaryAddress(), path)
-	f.transfer(t, err, true, false)
-}
-
-func (f *frontendCLI) exportMessagesToMBOX(c *ishell.Context) {
-	f.ShowPrompt(false)
-	defer f.ShowPrompt(true)
-
-	user, path := f.getUserAndPath(c, true)
-	if user == nil || path == "" {
-		return
-	}
-
-	t, err := f.ie.GetMBOXExporter(user.GetPrimaryAddress(), path)
-	f.transfer(t, err, true, false)
-}
-
-func (f *frontendCLI) getUserAndPath(c *ishell.Context, createPath bool) (types.User, string) {
-	user := f.askUserByIndexOrName(c)
-	if user == nil {
-		return nil, ""
-	}
-
-	path := f.readStringInAttempts("Path of EML and MBOX files", c.ReadLine, isNotEmpty)
-	if path == "" {
-		return nil, ""
-	}
-
-	if createPath {
-		_ = os.Mkdir(path, os.ModePerm)
-	}
-
-	return user, path
-}
-
-func (f *frontendCLI) transfer(t *transfer.Transfer, err error, askSkipEncrypted bool, askGlobalMailbox bool) {
-	if err != nil {
-		f.printAndLogError("Failed to init transferrer: ", err)
-		return
-	}
-
-	if askSkipEncrypted {
-		skipEncryptedMessages := f.yesNoQuestion("Skip encrypted messages")
-		t.SetSkipEncryptedMessages(skipEncryptedMessages)
-	}
-
-	if !f.setTransferRules(t) {
-		return
-	}
-
-	if askGlobalMailbox {
-		if err := f.setTransferGlobalMailbox(t); err != nil {
-			f.printAndLogError("Failed to create global mailbox: ", err)
-			return
-		}
-	}
-
-	progress := t.Start()
-	for range progress.GetUpdateChannel() {
-		f.printTransferProgress(progress)
-	}
-	f.printTransferResult(progress)
-}
-
-func (f *frontendCLI) setTransferGlobalMailbox(t *transfer.Transfer) error {
-	labelName := fmt.Sprintf("Imported %s", time.Now().Format("Jan-02-2006 15:04"))
-
-	useGlobalLabel := f.yesNoQuestion("Use global label " + labelName)
-	if !useGlobalLabel {
-		return nil
-	}
-
-	globalMailbox, err := t.CreateTargetMailbox(transfer.Mailbox{
-		Name:        labelName,
-		Color:       pmapi.LabelColors[0],
-		IsExclusive: false,
-	})
-	if err != nil {
-		return err
-	}
-
-	t.SetGlobalMailbox(&globalMailbox)
-	return nil
-}
-
-func (f *frontendCLI) setTransferRules(t *transfer.Transfer) bool {
-	f.Println("Rules:")
-	for _, rule := range t.GetRules() {
-		if !rule.Active {
-			continue
-		}
-		targets := strings.Join(rule.TargetMailboxNames(), ", ")
-		if rule.HasTimeLimit() {
-			f.Printf(" %-30s → %s (%s - %s)\n", rule.SourceMailbox.Name, targets, rule.FromDate(), rule.ToDate())
-		} else {
-			f.Printf(" %-30s → %s\n", rule.SourceMailbox.Name, targets)
-		}
-	}
-
-	return f.yesNoQuestion("Proceed")
-}
-
-func (f *frontendCLI) printTransferProgress(progress *transfer.Progress) {
-	failed, imported, exported, added, total := progress.GetCounts()
-	if total != 0 {
-		f.Println(fmt.Sprintf("Progress update: %d (%d / %d) / %d, failed: %d", imported, exported, added, total, failed))
-	}
-
-	if progress.IsPaused() {
-		f.Printf("Transfer is paused bacause %s", progress.PauseReason())
-		if !f.yesNoQuestion("Continue (y) or stop (n)") {
-			progress.Stop()
-		}
-	}
-}
-
-func (f *frontendCLI) printTransferResult(progress *transfer.Progress) {
-	err := progress.GetFatalError()
-	if err != nil {
-		f.Println("Transfer failed: " + err.Error())
-		return
-	}
-
-	statuses := progress.GetFailedMessages()
-	if len(statuses) == 0 {
-		f.Println("Transfer finished!")
-		return
-	}
-
-	f.Println("Transfer finished with errors:")
-	for _, messageStatus := range statuses {
-		f.Printf(
-			" %-17s | %-30s | %-30s\n  %s: %s\n",
-			messageStatus.Time.Format("Jan 02 2006 15:04"),
-			messageStatus.From,
-			messageStatus.Subject,
-			messageStatus.SourceID,
-			messageStatus.GetErrorMessage(),
-		)
-	}
-}

internal/frontend/cli-ie/system.go

@@ -1,46 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package cliie
-
-import (
-	"github.com/abiosoft/ishell"
-)
-
-func (f *frontendCLI) restart(c *ishell.Context) {
-	if f.yesNoQuestion("Are you sure you want to restart the Import-Export app") {
-		f.Println("Restarting the Import-Export app...")
-		f.appRestart = true
-		f.Stop()
-	}
-}
-
-func (f *frontendCLI) checkInternetConnection(c *ishell.Context) {
-	if f.ie.CheckConnection() == nil {
-		f.Println("Internet connection is available.")
-	} else {
-		f.Println("Can not contact the server, please check your internet connection.")
-	}
-}
-
-func (f *frontendCLI) printLogDir(c *ishell.Context) {
-	f.Println("Log files are stored in\n\n ", f.config.GetLogDir())
-}
-
-func (f *frontendCLI) printManual(c *ishell.Context) {
-	f.Println("More instructions about the Import-Export app can be found at\n\n  https://protonmail.com/support/categories/import-export/")
-}

internal/frontend/cli-ie/updates.go

@@ -1,65 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package cliie
-
-import (
-	"strings"
-
-	"github.com/ProtonMail/proton-bridge/internal/importexport"
-	"github.com/ProtonMail/proton-bridge/internal/updates"
-	"github.com/abiosoft/ishell"
-)
-
-func (f *frontendCLI) checkUpdates(c *ishell.Context) {
-	isUpToDate, latestVersionInfo, err := f.updates.CheckIsUpToDate()
-	if err != nil {
-		f.printAndLogError("Cannot retrieve version info: ", err)
-		f.checkInternetConnection(c)
-		return
-	}
-	if isUpToDate {
-		f.Println("Your version is up to date.")
-	} else {
-		f.notifyNeedUpgrade()
-		f.Println("")
-		f.printReleaseNotes(latestVersionInfo)
-	}
-}
-
-func (f *frontendCLI) printLocalReleaseNotes(c *ishell.Context) {
-	localVersion := f.updates.GetLocalVersion()
-	f.printReleaseNotes(localVersion)
-}
-
-func (f *frontendCLI) printReleaseNotes(versionInfo updates.VersionInfo) {
-	f.Println(bold("ProtonMail Import-Export app "+versionInfo.Version), "\n")
-	if versionInfo.ReleaseNotes != "" {
-		f.Println(bold("Release Notes"))
-		f.Println(versionInfo.ReleaseNotes)
-	}
-	if versionInfo.ReleaseFixedBugs != "" {
-		f.Println(bold("Fixed bugs"))
-		f.Println(versionInfo.ReleaseFixedBugs)
-	}
-}
-
-func (f *frontendCLI) printCredits(c *ishell.Context) {
-	for _, pkg := range strings.Split(importexport.Credits, ";") {
-		f.Println(pkg)
-	}
-}

internal/frontend/cli-ie/utils.go

@@ -1,123 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package cliie
-
-import (
-	"strings"
-
-	pmapi "github.com/ProtonMail/proton-bridge/pkg/pmapi"
-	"github.com/fatih/color"
-)
-
-const (
-	maxInputRepeat = 2
-)
-
-var (
-	bold = color.New(color.Bold).SprintFunc() //nolint[gochecknoglobals]
-)
-
-func isNotEmpty(val string) bool {
-	return val != ""
-}
-
-func (f *frontendCLI) yesNoQuestion(question string) bool {
-	f.Print(question, "? yes/"+bold("no")+": ")
-	yes := "yes"
-	answer := strings.ToLower(f.ReadLine())
-	for i := 0; i < len(answer); i++ {
-		if i >= len(yes) || answer[i] != yes[i] {
-			return false // Everything else is false.
-		}
-	}
-	return len(answer) > 0 // Empty is false.
-}
-
-func (f *frontendCLI) readStringInAttempts(title string, readFunc func() string, isOK func(string) bool) (value string) {
-	f.Printf("%s: ", title)
-	value = readFunc()
-	title = strings.ToLower(string(title[0])) + title[1:]
-	for i := 0; !isOK(value); i++ {
-		if i >= maxInputRepeat {
-			f.Println("Too many attempts")
-			return ""
-		}
-		f.Printf("Please fill %s: ", title)
-		value = readFunc()
-	}
-	return
-}
-
-func (f *frontendCLI) printAndLogError(args ...interface{}) {
-	log.Error(args...)
-	f.Println(args...)
-}
-
-func (f *frontendCLI) processAPIError(err error) {
-	log.Warn("API error: ", err)
-	switch err {
-	case pmapi.ErrAPINotReachable:
-		f.notifyInternetOff()
-	case pmapi.ErrUpgradeApplication:
-		f.notifyNeedUpgrade()
-	default:
-		f.Println("Server error:", err.Error())
-	}
-}
-
-func (f *frontendCLI) notifyInternetOff() {
-	f.Println("Internet connection is not available.")
-}
-
-func (f *frontendCLI) notifyInternetOn() {
-	f.Println("Internet connection is available again.")
-}
-
-func (f *frontendCLI) notifyLogout(address string) {
-	f.Printf("Account %s is disconnected. Login to continue using this account with email client.", address)
-}
-
-func (f *frontendCLI) notifyNeedUpgrade() {
-	f.Println("Please download and install the newest version of application from", f.updates.GetDownloadLink())
-}
-
-func (f *frontendCLI) notifyCredentialsError() {
-	// Print in 80-column width.
-	f.Println("ProtonMail Import-Export app is not able to detect a supported password manager")
-	f.Println("(pass, gnome-keyring). Please install and set up a supported password manager")
-	f.Println("and restart the application.")
-}
-
-func (f *frontendCLI) notifyCertIssue() {
-	// Print in 80-column width.
-	f.Println(`Connection security error: Your network connection to Proton services may
-be insecure.
-
-Description:
-ProtonMail Import-Export was not able to establish a secure connection to Proton
-servers due to a TLS certificate error. This means your connection may
-potentially be insecure and susceptible to monitoring by third parties.
-
-Recommendation:
-* If you trust your network operator, you can continue to use ProtonMail
-  as usual.
-* If you don't trust your network operator, reconnect to ProtonMail over a VPN
-  (such as ProtonVPN) which encrypts your Internet connection, or use
-  a different network to access ProtonMail.
-`)
-}

internal/frontend/cli/account_utils.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //

internal/frontend/cli/accounts.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -18,17 +18,18 @@
 package cli
 
 import (
+	"context"
 	"strings"
 
 	"github.com/ProtonMail/proton-bridge/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
 	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
-	"github.com/ProtonMail/proton-bridge/internal/preferences"
 	"github.com/abiosoft/ishell"
 )
 
 func (f *frontendCLI) listAccounts(c *ishell.Context) {
 	spacing := "%-2d: %-20s (%-15s, %-15s)\n"
-	f.Printf(bold(strings.Replace(spacing, "d", "s", -1)), "#", "account", "status", "address mode")
+	f.Printf(bold(strings.ReplaceAll(spacing, "d", "s")), "#", "account", "status", "address mode")
 	for idx, user := range f.bridge.GetUsers() {
 		connected := "disconnected"
 		if user.IsConnected() {
@@ -65,21 +66,21 @@ func (f *frontendCLI) showAccountInfo(c *ishell.Context) {
 
 func (f *frontendCLI) showAccountAddressInfo(user types.User, address string) {
 	smtpSecurity := "STARTTLS"
-	if f.preferences.GetBool(preferences.SMTPSSLKey) {
+	if f.settings.GetBool(settings.SMTPSSLKey) {
 		smtpSecurity = "SSL"
 	}
 	f.Println(bold("Configuration for " + address))
 	f.Printf("IMAP Settings\nAddress:   %s\nIMAP port: %d\nUsername:  %s\nPassword:  %s\nSecurity:  %s\n",
 		bridge.Host,
-		f.preferences.GetInt(preferences.IMAPPortKey),
+		f.settings.GetInt(settings.IMAPPortKey),
 		address,
 		user.GetBridgePassword(),
 		"STARTTLS",
 	)
 	f.Println("")
-	f.Printf("SMTP Settings\nAddress:   %s\nIMAP port: %d\nUsername:  %s\nPassword:  %s\nSecurity:  %s\n",
+	f.Printf("SMTP Settings\nAddress:   %s\nSMTP port: %d\nUsername:  %s\nPassword:  %s\nSecurity:  %s\n",
 		bridge.Host,
-		f.preferences.GetInt(preferences.SMTPPortKey),
+		f.settings.GetInt(settings.SMTPPortKey),
 		address,
 		user.GetBridgePassword(),
 		smtpSecurity,
@@ -114,7 +115,7 @@ func (f *frontendCLI) loginAccount(c *ishell.Context) { // nolint[funlen]
 	}
 
 	f.Println("Authenticating ... ")
-	client, auth, err := f.bridge.Login(loginName, password)
+	client, auth, err := f.bridge.Login(loginName, []byte(password))
 	if err != nil {
 		f.processAPIError(err)
 		return
@@ -126,7 +127,7 @@ func (f *frontendCLI) loginAccount(c *ishell.Context) { // nolint[funlen]
 			return
 		}
 
-		err = client.Auth2FA(twoFactor, auth)
+		err = client.Auth2FA(context.Background(), twoFactor)
 		if err != nil {
 			f.processAPIError(err)
 			return
@@ -142,7 +143,7 @@ func (f *frontendCLI) loginAccount(c *ishell.Context) { // nolint[funlen]
 	}
 
 	f.Println("Adding account ...")
-	user, err := f.bridge.FinishLogin(client, auth, mailboxPassword)
+	user, err := f.bridge.FinishLogin(client, auth, []byte(mailboxPassword))
 	if err != nil {
 		log.WithField("username", loginName).WithError(err).Error("Login was unsuccessful")
 		f.Println("Adding account was unsuccessful:", err)
@@ -191,14 +192,34 @@ func (f *frontendCLI) deleteAccounts(c *ishell.Context) {
 	if !f.yesNoQuestion("Do you really want remove all accounts") {
 		return
 	}
+
 	for _, user := range f.bridge.GetUsers() {
 		if err := f.bridge.DeleteUser(user.ID(), false); err != nil {
 			f.printAndLogError("Cannot delete account ", user.Username(), ": ", err)
 		}
 	}
+
 	c.Println("Keychain cleared")
 }
 
+func (f *frontendCLI) deleteEverything(c *ishell.Context) {
+	f.ShowPrompt(false)
+	defer f.ShowPrompt(true)
+
+	if !f.yesNoQuestion("Do you really want remove everything") {
+		return
+	}
+
+	f.bridge.FactoryReset()
+
+	c.Println("Everything cleared")
+
+	// Clearing data removes everything (db, preferences, ...) so everything has to be stopped and started again.
+	f.restarter.SetToRestart()
+
+	f.Stop()
+}
+
 func (f *frontendCLI) changeMode(c *ishell.Context) {
 	user := f.askUserByIndexOrName(c)
 	if user == nil {

internal/frontend/cli/frontend.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -19,9 +19,11 @@
 package cli
 
 import (
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
 	"github.com/ProtonMail/proton-bridge/internal/events"
 	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
-	"github.com/ProtonMail/proton-bridge/pkg/config"
+	"github.com/ProtonMail/proton-bridge/internal/locations"
+	"github.com/ProtonMail/proton-bridge/internal/updater"
 	"github.com/ProtonMail/proton-bridge/pkg/listener"
 
 	"github.com/abiosoft/ishell"
@@ -35,34 +37,36 @@ var (
 type frontendCLI struct {
 	*ishell.Shell
 
-	config        *config.Config
-	preferences   *config.Preferences
+	locations     *locations.Locations
+	settings      *settings.Settings
 	eventListener listener.Listener
-	updates       types.Updater
+	updater       types.Updater
 	bridge        types.Bridger
 
-	appRestart bool
+	restarter types.Restarter
 }
 
 // New returns a new CLI frontend configured with the given options.
 func New( //nolint[funlen]
 	panicHandler types.PanicHandler,
-	config *config.Config,
-	preferences *config.Preferences,
+
+	locations *locations.Locations,
+	settings *settings.Settings,
 	eventListener listener.Listener,
-	updates types.Updater,
+	updater types.Updater,
 	bridge types.Bridger,
+	restarter types.Restarter,
 ) *frontendCLI { //nolint[golint]
 	fe := &frontendCLI{
 		Shell: ishell.New(),
 
-		config:        config,
-		preferences:   preferences,
+		locations:     locations,
+		settings:      settings,
 		eventListener: eventListener,
-		updates:       updates,
+		updater:       updater,
 		bridge:        bridge,
 
-		appRestart: false,
+		restarter: restarter,
 	}
 
 	// Clear commands.
@@ -80,6 +84,11 @@ func New( //nolint[funlen]
 		Aliases: []string{"a", "k", "keychain"},
 		Func:    fe.deleteAccounts,
 	})
+	clearCmd.AddCmd(&ishell.Cmd{Name: "everything",
+		Help:    "remove everything",
+		Aliases: []string{"a", "k", "keychain"},
+		Func:    fe.deleteEverything,
+	})
 	fe.AddCmd(clearCmd)
 
 	// Change commands.
@@ -98,10 +107,6 @@ func New( //nolint[funlen]
 		Aliases: []string{"p"},
 		Func:    fe.changePort,
 	})
-	changeCmd.AddCmd(&ishell.Cmd{Name: "proxy",
-		Help: "allow or disallow bridge to securely connect to proton via a third party when it is being blocked",
-		Func: fe.toggleAllowProxy,
-	})
 	changeCmd.AddCmd(&ishell.Cmd{Name: "smtp-security",
 		Help:    "change port numbers of IMAP and SMTP servers.(alias: ssl, starttls)",
 		Aliases: []string{"ssl", "starttls"},
@@ -109,19 +114,71 @@ func New( //nolint[funlen]
 	})
 	fe.AddCmd(changeCmd)
 
-	// Check commands.
-	checkCmd := &ishell.Cmd{Name: "check", Help: "check internet connection or new version."}
-	checkCmd.AddCmd(&ishell.Cmd{Name: "updates",
-		Help:    "check for Bridge updates. (aliases: u, v, version)",
-		Aliases: []string{"u", "version", "v"},
-		Func:    fe.checkUpdates,
+	// DoH commands.
+	dohCmd := &ishell.Cmd{Name: "proxy",
+		Help: "allow or disallow bridge to securely connect to proton via a third party when it is being blocked",
+	}
+	dohCmd.AddCmd(&ishell.Cmd{Name: "allow",
+		Help: "allow bridge to securely connect to proton via a third party when it is being blocked",
+		Func: fe.allowProxy,
 	})
-	checkCmd.AddCmd(&ishell.Cmd{Name: "internet",
-		Help:    "check internet connection. (aliases: i, conn, connection)",
-		Aliases: []string{"i", "con", "connection"},
-		Func:    fe.checkInternetConnection,
+	dohCmd.AddCmd(&ishell.Cmd{Name: "disallow",
+		Help: "disallow bridge to securely connect to proton via a third party when it is being blocked",
+		Func: fe.disallowProxy,
 	})
-	fe.AddCmd(checkCmd)
+	fe.AddCmd(dohCmd)
+
+	// Cache-On-Disk commands.
+	codCmd := &ishell.Cmd{Name: "local-cache",
+		Help: "manage the local encrypted message cache",
+	}
+	codCmd.AddCmd(&ishell.Cmd{Name: "enable",
+		Help: "enable the local cache",
+		Func: fe.enableCacheOnDisk,
+	})
+	codCmd.AddCmd(&ishell.Cmd{Name: "disable",
+		Help: "disable the local cache",
+		Func: fe.disableCacheOnDisk,
+	})
+	codCmd.AddCmd(&ishell.Cmd{Name: "change-location",
+		Help: "change the location of the local cache",
+		Func: fe.setCacheOnDiskLocation,
+	})
+	fe.AddCmd(codCmd)
+
+	// Updates commands.
+	updatesCmd := &ishell.Cmd{Name: "updates",
+		Help: "manage bridge updates",
+	}
+	updatesCmd.AddCmd(&ishell.Cmd{Name: "check",
+		Help: "check for Bridge updates",
+		Func: fe.checkUpdates,
+	})
+	autoUpdatesCmd := &ishell.Cmd{Name: "autoupdates",
+		Help: "manage bridge updates",
+	}
+	updatesCmd.AddCmd(autoUpdatesCmd)
+	autoUpdatesCmd.AddCmd(&ishell.Cmd{Name: "enable",
+		Help: "automatically keep bridge up to date",
+		Func: fe.enableAutoUpdates,
+	})
+	autoUpdatesCmd.AddCmd(&ishell.Cmd{Name: "disable",
+		Help: "require bridge to be manually updated",
+		Func: fe.disableAutoUpdates,
+	})
+	updatesChannelCmd := &ishell.Cmd{Name: "channel",
+		Help: "switch updates channel",
+	}
+	updatesCmd.AddCmd(updatesChannelCmd)
+	updatesChannelCmd.AddCmd(&ishell.Cmd{Name: "early",
+		Help: "switch to the early-access updates channel",
+		Func: fe.selectEarlyChannel,
+	})
+	updatesChannelCmd.AddCmd(&ishell.Cmd{Name: "stable",
+		Help: "switch to the stable updates channel",
+		Func: fe.selectStableChannel,
+	})
+	fe.AddCmd(updatesCmd)
 
 	// Print info commands.
 	fe.AddCmd(&ishell.Cmd{Name: "log-dir",
@@ -134,11 +191,7 @@ func New( //nolint[funlen]
 		Aliases: []string{"man"},
 		Func:    fe.printManual,
 	})
-	fe.AddCmd(&ishell.Cmd{Name: "release-notes",
-		Help:    "print release notes. (aliases: notes, fixed-bugs, bugs, ver, version)",
-		Aliases: []string{"notes", "fixed-bugs", "bugs", "ver", "version"},
-		Func:    fe.printLocalReleaseNotes,
-	})
+
 	fe.AddCmd(&ishell.Cmd{Name: "credits",
 		Help: "print used resources.",
 		Func: fe.printCredits,
@@ -185,23 +238,24 @@ func New( //nolint[funlen]
 		defer panicHandler.HandlePanic()
 		fe.watchEvents()
 	}()
-	fe.eventListener.RetryEmit(events.TLSCertIssue)
-	fe.eventListener.RetryEmit(events.ErrorEvent)
 	return fe
 }
 
 func (f *frontendCLI) watchEvents() {
-	errorCh := f.getEventChannel(events.ErrorEvent)
-	internetOffCh := f.getEventChannel(events.InternetOffEvent)
-	internetOnCh := f.getEventChannel(events.InternetOnEvent)
-	addressChangedCh := f.getEventChannel(events.AddressChangedEvent)
-	addressChangedLogoutCh := f.getEventChannel(events.AddressChangedLogoutEvent)
-	logoutCh := f.getEventChannel(events.LogoutEvent)
-	certIssue := f.getEventChannel(events.TLSCertIssue)
+	errorCh := f.eventListener.ProvideChannel(events.ErrorEvent)
+	credentialsErrorCh := f.eventListener.ProvideChannel(events.CredentialsErrorEvent)
+	internetOffCh := f.eventListener.ProvideChannel(events.InternetOffEvent)
+	internetOnCh := f.eventListener.ProvideChannel(events.InternetOnEvent)
+	addressChangedCh := f.eventListener.ProvideChannel(events.AddressChangedEvent)
+	addressChangedLogoutCh := f.eventListener.ProvideChannel(events.AddressChangedLogoutEvent)
+	logoutCh := f.eventListener.ProvideChannel(events.LogoutEvent)
+	certIssue := f.eventListener.ProvideChannel(events.TLSCertIssue)
 	for {
 		select {
 		case errorDetails := <-errorCh:
 			f.Println("Bridge failed:", errorDetails)
+		case <-credentialsErrorCh:
+			f.notifyCredentialsError()
 		case <-internetOffCh:
 			f.notifyInternetOff()
 		case <-internetOnCh:
@@ -222,24 +276,8 @@ func (f *frontendCLI) watchEvents() {
 	}
 }
 
-func (f *frontendCLI) getEventChannel(event string) <-chan string {
-	ch := make(chan string)
-	f.eventListener.Add(event, ch)
-	return ch
-}
-
-// IsAppRestarting returns whether the app is currently set to restart.
-func (f *frontendCLI) IsAppRestarting() bool {
-	return f.appRestart
-}
-
 // Loop starts the frontend loop with an interactive shell.
-func (f *frontendCLI) Loop(credentialsError error) error {
-	if credentialsError != nil {
-		f.notifyCredentialsError()
-		return credentialsError
-	}
-
+func (f *frontendCLI) Loop() error {
 	f.Print(`
             Welcome to ProtonMail Bridge interactive shell
                               ___....___
@@ -260,3 +298,12 @@ func (f *frontendCLI) Loop(credentialsError error) error {
 	f.Run()
 	return nil
 }
+
+func (f *frontendCLI) NotifyManualUpdate(update updater.VersionInfo, canInstall bool) {
+	// NOTE: Save the update somewhere so that it can be installed when user chooses "install now".
+}
+
+func (f *frontendCLI) WaitUntilFrontendIsReady()              {}
+func (f *frontendCLI) SetVersion(version updater.VersionInfo) {}
+func (f *frontendCLI) NotifySilentUpdateInstalled()           {}
+func (f *frontendCLI) NotifySilentUpdateError(err error)      {}

internal/frontend/cli/system.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -19,10 +19,11 @@ package cli
 
 import (
 	"fmt"
+	"os"
 	"strconv"
 	"strings"
 
-	"github.com/ProtonMail/proton-bridge/internal/preferences"
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
 	"github.com/ProtonMail/proton-bridge/pkg/ports"
 	"github.com/abiosoft/ishell"
 )
@@ -34,21 +35,17 @@ var (
 func (f *frontendCLI) restart(c *ishell.Context) {
 	if f.yesNoQuestion("Are you sure you want to restart the Bridge") {
 		f.Println("Restarting Bridge...")
-		f.appRestart = true
+		f.restarter.SetToRestart()
 		f.Stop()
 	}
 }
 
-func (f *frontendCLI) checkInternetConnection(c *ishell.Context) {
-	if f.bridge.CheckConnection() == nil {
-		f.Println("Internet connection is available.")
-	} else {
-		f.Println("Can not contact the server, please check your internet connection.")
-	}
-}
-
 func (f *frontendCLI) printLogDir(c *ishell.Context) {
-	f.Println("Log files are stored in\n\n ", f.config.GetLogDir())
+	if path, err := f.locations.ProvideLogsPath(); err != nil {
+		f.Println("Failed to determine location of log files")
+	} else {
+		f.Println("Log files are stored in\n\n ", path)
+	}
 }
 
 func (f *frontendCLI) printManual(c *ishell.Context) {
@@ -62,14 +59,17 @@ func (f *frontendCLI) deleteCache(c *ishell.Context) {
 	if !f.yesNoQuestion("Do you really want to remove all stored preferences") {
 		return
 	}
+
 	if err := f.bridge.ClearData(); err != nil {
 		f.printAndLogError("Cache clear failed: ", err.Error())
 		return
 	}
+
 	f.Println("Cached cleared, restarting bridge")
-	// Clearing data removes everything (db, preferences, ...)
-	// so everything has to be stopped and started again.
-	f.appRestart = true
+
+	// Clearing data removes everything (db, preferences, ...) so everything has to be stopped and started again.
+	f.restarter.SetToRestart()
+
 	f.Stop()
 }
 
@@ -77,7 +77,7 @@ func (f *frontendCLI) changeSMTPSecurity(c *ishell.Context) {
 	f.ShowPrompt(false)
 	defer f.ShowPrompt(true)
 
-	isSSL := f.preferences.GetBool(preferences.SMTPSSLKey)
+	isSSL := f.settings.GetBool(settings.SMTPSSLKey)
 	newSecurity := "SSL"
 	if isSSL {
 		newSecurity = "STARTTLS"
@@ -86,9 +86,9 @@ func (f *frontendCLI) changeSMTPSecurity(c *ishell.Context) {
 	msg := fmt.Sprintf("Are you sure you want to change SMTP setting to %q and restart the Bridge", newSecurity)
 
 	if f.yesNoQuestion(msg) {
-		f.preferences.SetBool(preferences.SMTPSSLKey, !isSSL)
+		f.settings.SetBool(settings.SMTPSSLKey, !isSSL)
 		f.Println("Restarting Bridge...")
-		f.appRestart = true
+		f.restarter.SetToRestart()
 		f.Stop()
 	}
 }
@@ -97,14 +97,14 @@ func (f *frontendCLI) changePort(c *ishell.Context) {
 	f.ShowPrompt(false)
 	defer f.ShowPrompt(true)
 
-	currentPort = f.preferences.Get(preferences.IMAPPortKey)
+	currentPort = f.settings.Get(settings.IMAPPortKey)
 	newIMAPPort := f.readStringInAttempts("Set IMAP port (current "+currentPort+")", c.ReadLine, f.isPortFree)
 	if newIMAPPort == "" {
 		newIMAPPort = currentPort
 	}
 	imapPortChanged := newIMAPPort != currentPort
 
-	currentPort = f.preferences.Get(preferences.SMTPPortKey)
+	currentPort = f.settings.Get(settings.SMTPPortKey)
 	newSMTPPort := f.readStringInAttempts("Set SMTP port (current "+currentPort+")", c.ReadLine, f.isPortFree)
 	if newSMTPPort == "" {
 		newSMTPPort = currentPort
@@ -118,34 +118,99 @@ func (f *frontendCLI) changePort(c *ishell.Context) {
 
 	if imapPortChanged || smtpPortChanged {
 		f.Println("Saving values IMAP:", newIMAPPort, "SMTP:", newSMTPPort)
-		f.preferences.Set(preferences.IMAPPortKey, newIMAPPort)
-		f.preferences.Set(preferences.SMTPPortKey, newSMTPPort)
+		f.settings.Set(settings.IMAPPortKey, newIMAPPort)
+		f.settings.Set(settings.SMTPPortKey, newSMTPPort)
 		f.Println("Restarting Bridge...")
-		f.appRestart = true
+		f.restarter.SetToRestart()
 		f.Stop()
 	} else {
 		f.Println("Nothing changed")
 	}
 }
 
-func (f *frontendCLI) toggleAllowProxy(c *ishell.Context) {
-	if f.preferences.GetBool(preferences.AllowProxyKey) {
-		f.Println("Bridge is currently set to use alternative routing to connect to Proton if it is being blocked.")
-		if f.yesNoQuestion("Are you sure you want to stop bridge from doing this") {
-			f.preferences.SetBool(preferences.AllowProxyKey, false)
-			f.bridge.DisallowProxy()
+func (f *frontendCLI) allowProxy(c *ishell.Context) {
+	if f.bridge.GetProxyAllowed() {
+		f.Println("Bridge is already set to use alternative routing to connect to Proton if it is being blocked.")
+		return
+	}
+
+	f.Println("Bridge is currently set to NOT use alternative routing to connect to Proton if it is being blocked.")
+
+	if f.yesNoQuestion("Are you sure you want to allow bridge to do this") {
+		f.bridge.SetProxyAllowed(true)
+	}
+}
+
+func (f *frontendCLI) disallowProxy(c *ishell.Context) {
+	if !f.bridge.GetProxyAllowed() {
+		f.Println("Bridge is already set to NOT use alternative routing to connect to Proton if it is being blocked.")
+		return
+	}
+
+	f.Println("Bridge is currently set to use alternative routing to connect to Proton if it is being blocked.")
+
+	if f.yesNoQuestion("Are you sure you want to stop bridge from doing this") {
+		f.bridge.SetProxyAllowed(false)
+	}
+}
+
+func (f *frontendCLI) enableCacheOnDisk(c *ishell.Context) {
+	if f.settings.GetBool(settings.CacheEnabledKey) {
+		f.Println("The local cache is already enabled.")
+		return
+	}
+
+	if f.yesNoQuestion("Are you sure you want to enable the local cache") {
+		if err := f.bridge.EnableCache(); err != nil {
+			f.Println("The local cache could not be enabled.")
+			return
 		}
-	} else {
-		f.Println("Bridge is currently set to NOT use alternative routing to connect to Proton if it is being blocked.")
-		if f.yesNoQuestion("Are you sure you want to allow bridge to do this") {
-			f.preferences.SetBool(preferences.AllowProxyKey, true)
-			f.bridge.AllowProxy()
+
+		f.restarter.SetToRestart()
+		f.Stop()
+	}
+}
+
+func (f *frontendCLI) disableCacheOnDisk(c *ishell.Context) {
+	if !f.settings.GetBool(settings.CacheEnabledKey) {
+		f.Println("The local cache is already disabled.")
+		return
+	}
+
+	if f.yesNoQuestion("Are you sure you want to disable the local cache") {
+		if err := f.bridge.DisableCache(); err != nil {
+			f.Println("The local cache could not be disabled.")
+			return
 		}
+
+		f.restarter.SetToRestart()
+		f.Stop()
+	}
+}
+
+func (f *frontendCLI) setCacheOnDiskLocation(c *ishell.Context) {
+	if !f.settings.GetBool(settings.CacheEnabledKey) {
+		f.Println("The local cache must be enabled.")
+		return
+	}
+
+	if location := f.settings.Get(settings.CacheLocationKey); location != "" {
+		f.Println("The current local cache location is:", location)
+	}
+
+	if location := f.readStringInAttempts("Enter a new location for the cache", c.ReadLine, f.isCacheLocationUsable); location != "" {
+		if err := f.bridge.MigrateCache(f.settings.Get(settings.CacheLocationKey), location); err != nil {
+			f.Println("The local cache location could not be changed.")
+			return
+		}
+
+		f.restarter.SetToRestart()
+		f.Stop()
 	}
 }
 
 func (f *frontendCLI) isPortFree(port string) bool {
-	port = strings.Replace(port, ":", "", -1)
+	port = strings.ReplaceAll(port, ":", "")
 	if port == "" || port == currentPort {
 		return true
 	}
@@ -160,3 +225,13 @@ func (f *frontendCLI) isPortFree(port string) bool {
 	}
 	return true
 }
+
+// NOTE(GODT-1158): Check free space in location.
+func (f *frontendCLI) isCacheLocationUsable(location string) bool {
+	stat, err := os.Stat(location)
+	if err != nil {
+		return false
+	}
+
+	return stat.IsDir()
+}

internal/frontend/cli/updates.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -21,40 +21,22 @@ import (
 	"strings"
 
 	"github.com/ProtonMail/proton-bridge/internal/bridge"
-	"github.com/ProtonMail/proton-bridge/internal/updates"
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
+	"github.com/ProtonMail/proton-bridge/internal/updater"
 	"github.com/abiosoft/ishell"
 )
 
 func (f *frontendCLI) checkUpdates(c *ishell.Context) {
-	isUpToDate, latestVersionInfo, err := f.updates.CheckIsUpToDate()
+	version, err := f.updater.Check()
 	if err != nil {
-		f.printAndLogError("Cannot retrieve version info: ", err)
-		f.checkInternetConnection(c)
+		f.Println("An error occurred while checking for updates.")
 		return
 	}
-	if isUpToDate {
-		f.Println("Your version is up to date.")
+
+	if f.updater.IsUpdateApplicable(version) {
+		f.Println("An update is available.")
 	} else {
-		f.notifyNeedUpgrade()
-		f.Println("")
-		f.printReleaseNotes(latestVersionInfo)
-	}
-}
-
-func (f *frontendCLI) printLocalReleaseNotes(c *ishell.Context) {
-	localVersion := f.updates.GetLocalVersion()
-	f.printReleaseNotes(localVersion)
-}
-
-func (f *frontendCLI) printReleaseNotes(versionInfo updates.VersionInfo) {
-	f.Println(bold("ProtonMail Bridge "+versionInfo.Version), "\n")
-	if versionInfo.ReleaseNotes != "" {
-		f.Println(bold("Release Notes"))
-		f.Println(versionInfo.ReleaseNotes)
-	}
-	if versionInfo.ReleaseFixedBugs != "" {
-		f.Println(bold("Fixed bugs"))
-		f.Println(versionInfo.ReleaseFixedBugs)
+		f.Println("Your version is up to date.")
 	}
 }
 
@@ -63,3 +45,56 @@ func (f *frontendCLI) printCredits(c *ishell.Context) {
 		f.Println(pkg)
 	}
 }
+
+func (f *frontendCLI) enableAutoUpdates(c *ishell.Context) {
+	if f.settings.GetBool(settings.AutoUpdateKey) {
+		f.Println("Bridge is already set to automatically install updates.")
+		return
+	}
+
+	f.Println("Bridge is currently set to NOT automatically install updates.")
+
+	if f.yesNoQuestion("Are you sure you want to allow bridge to do this") {
+		f.settings.SetBool(settings.AutoUpdateKey, true)
+	}
+}
+
+func (f *frontendCLI) disableAutoUpdates(c *ishell.Context) {
+	if !f.settings.GetBool(settings.AutoUpdateKey) {
+		f.Println("Bridge is already set to NOT automatically install updates.")
+		return
+	}
+
+	f.Println("Bridge is currently set to automatically install updates.")
+
+	if f.yesNoQuestion("Are you sure you want to stop bridge from doing this") {
+		f.settings.SetBool(settings.AutoUpdateKey, false)
+	}
+}
+
+func (f *frontendCLI) selectEarlyChannel(c *ishell.Context) {
+	if f.bridge.GetUpdateChannel() == updater.EarlyChannel {
+		f.Println("Bridge is already on the early-access update channel.")
+		return
+	}
+
+	f.Println("Bridge is currently on the stable update channel.")
+
+	if f.yesNoQuestion("Are you sure you want to switch to the early-access update channel") {
+		f.bridge.SetUpdateChannel(updater.EarlyChannel)
+	}
+}
+
+func (f *frontendCLI) selectStableChannel(c *ishell.Context) {
+	if f.bridge.GetUpdateChannel() == updater.StableChannel {
+		f.Println("Bridge is already on the stable update channel.")
+		return
+	}
+
+	f.Println("Bridge is currently on the early-access update channel.")
+	f.Println("Switching to the stable channel may reset all data!")
+
+	if f.yesNoQuestion("Are you sure you want to switch to the stable update channel") {
+		f.bridge.SetUpdateChannel(updater.StableChannel)
+	}
+}

internal/frontend/cli/utils.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -71,7 +71,7 @@ func (f *frontendCLI) printAndLogError(args ...interface{}) {
 func (f *frontendCLI) processAPIError(err error) {
 	log.Warn("API error: ", err)
 	switch err {
-	case pmapi.ErrAPINotReachable:
+	case pmapi.ErrNoConnection:
 		f.notifyInternetOff()
 	case pmapi.ErrUpgradeApplication:
 		f.notifyNeedUpgrade()
@@ -93,13 +93,18 @@ func (f *frontendCLI) notifyLogout(address string) {
 }
 
 func (f *frontendCLI) notifyNeedUpgrade() {
-	f.Println("Please download and install the newest version of application from", f.updates.GetDownloadLink())
+	version, err := f.updater.Check()
+	if err != nil {
+		log.WithError(err).Error("Failed to notify need upgrade")
+		return
+	}
+	f.Println("Please download and install the newest version of application from", version.LandingPage)
 }
 
 func (f *frontendCLI) notifyCredentialsError() {
 	// Print in 80-column width.
 	f.Println("ProtonMail Bridge is not able to detect a supported password manager")
-	f.Println("(pass, gnome-keyring). Please install and set up a supported password manager")
+	f.Println("(secret-service or pass). Please install and set up a supported password manager")
 	f.Println("and restart the application.")
 }
 

internal/frontend/clientconfig/config.go

@@ -0,0 +1,76 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// Package clientconfig provides automatic config of IMAP and SMTP.
+// For now only for Apple Mail.
+package clientconfig
+
+import (
+	"errors"
+
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
+	"github.com/ProtonMail/proton-bridge/internal/config/useragent"
+	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
+	"github.com/sirupsen/logrus"
+)
+
+type AutoConfig interface {
+	Name() string
+	Configure(imapPort int, smtpPort int, imapSSl, smtpSSL bool, user types.User, address string) error
+}
+
+var (
+	available       = map[string]AutoConfig{} //nolint[gochecknoglobals]
+	ErrNotAvailable = errors.New("configuration not available")
+)
+
+const AppleMailClient = "Apple Mail"
+
+func ConfigureAppleMail(user types.User, address string, s *settings.Settings) (needRestart bool, err error) {
+	return configure(AppleMailClient, user, address, s)
+}
+
+func configure(configName string, user types.User, address string, s *settings.Settings) (needRestart bool, err error) {
+	log := logrus.WithField("pkg", "client_config").WithField("client", configName)
+
+	config, ok := available[configName]
+	if !ok {
+		return false, ErrNotAvailable
+	}
+
+	imapPort := s.GetInt(settings.IMAPPortKey)
+	imapSSL := false
+	smtpPort := s.GetInt(settings.SMTPPortKey)
+	smtpSSL := s.GetBool(settings.SMTPSSLKey)
+
+	if address == "" {
+		address = user.GetPrimaryAddress()
+	}
+
+	if configName == AppleMailClient {
+		// If configuring apple mail for Catalina or newer, users should use SSL.
+		needRestart = false
+		if !smtpSSL && useragent.IsCatalinaOrNewer() {
+			smtpSSL = true
+			s.SetBool(settings.SMTPSSLKey, true)
+			log.Warn("Detected Catalina or newer with bad SMTP SSL settings, now using SSL, bridge needs to restart")
+			needRestart = true
+		}
+	}
+
+	return needRestart, config.Configure(imapPort, smtpPort, imapSSL, smtpSSL, user, address)
+}

internal/frontend/clientconfig/config_applemail.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -17,7 +17,7 @@
 
 // +build darwin
 
-package autoconfig
+package clientconfig
 
 import (
 	"io/ioutil"
@@ -28,81 +28,94 @@ import (
 	"strings"
 	"time"
 
-	mobileconfig "github.com/ProtonMail/go-apple-mobileconfig"
 	"github.com/ProtonMail/proton-bridge/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/internal/config/useragent"
 	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
+	"github.com/ProtonMail/proton-bridge/pkg/mobileconfig"
+)
+
+const (
+	bigSurPreferncesPane = "/System/Library/PreferencePanes/Profiles.prefPane"
 )
 
 func init() { //nolint[gochecknoinit]
-	available = append(available, &appleMail{})
+	available[AppleMailClient] = &appleMail{}
 }
 
 type appleMail struct{}
 
-func (c *appleMail) Name() string {
-	return "Apple Mail"
+func (c *appleMail) Name() string { return AppleMailClient }
+
+func (c *appleMail) Configure(imapPort, smtpPort int, imapSSL, smtpSSL bool, user types.User, address string) error {
+	mc := prepareMobileConfig(imapPort, smtpPort, imapSSL, smtpSSL, user, address)
+
+	confPath, err := saveConfigTemporarily(mc)
+	if err != nil {
+		return err
+	}
+
+	if useragent.IsBigSurOrNewer() {
+		return exec.Command("open", bigSurPreferncesPane, confPath).Run() //nolint[gosec] G204: open command is safe, mobileconfig is generated by us
+	}
+
+	return exec.Command("open", confPath).Run() //nolint[gosec] G204: open command is safe, mobileconfig is generated by us
 }
 
-func (c *appleMail) Configure(imapPort, smtpPort int, imapSSL, smtpSSL bool, user types.User, addressIndex int) error { //nolint[funlen]
-	var addresses string
-	var displayName string
+func prepareMobileConfig(imapPort, smtpPort int, imapSSL, smtpSSL bool, user types.User, address string) *mobileconfig.Config {
+	displayName := address
+	addresses := address
 
 	if user.IsCombinedAddressMode() {
 		displayName = user.GetPrimaryAddress()
 		addresses = strings.Join(user.GetAddresses(), ",")
-	} else {
-		for idx, address := range user.GetAddresses() {
-			if idx == addressIndex {
-				displayName = address
-				break
-			}
-		}
-		addresses = displayName
 	}
 
 	timestamp := strconv.FormatInt(time.Now().Unix(), 10)
 
-	mc := &mobileconfig.Config{
+	return &mobileconfig.Config{
 		EmailAddress: addresses,
 		DisplayName:  displayName,
 		Identifier:   "protonmail " + displayName + timestamp,
-		Imap: &mobileconfig.Imap{
+		IMAP: &mobileconfig.IMAP{
 			Hostname: bridge.Host,
 			Port:     imapPort,
-			Tls:      imapSSL,
+			TLS:      imapSSL,
 			Username: displayName,
 			Password: user.GetBridgePassword(),
 		},
-		Smtp: &mobileconfig.Smtp{
+		SMTP: &mobileconfig.SMTP{
 			Hostname: bridge.Host,
 			Port:     smtpPort,
-			Tls:      smtpSSL,
+			TLS:      smtpSSL,
 			Username: displayName,
 		},
 	}
+}
 
+func saveConfigTemporarily(mc *mobileconfig.Config) (fname string, err error) {
 	dir, err := ioutil.TempDir("", "protonmail-autoconfig")
 	if err != nil {
-		return err
+		return
 	}
 
 	// Make sure the temporary file is deleted.
-	go (func() {
+	go func() {
 		<-time.After(10 * time.Minute)
 		_ = os.RemoveAll(dir)
-	})()
+	}()
 
 	// Make sure the file is only readable for the current user.
-	f, err := os.OpenFile(filepath.Join(dir, "protonmail.mobileconfig"), os.O_RDWR|os.O_CREATE, 0600)
+	fname = filepath.Clean(filepath.Join(dir, "protonmail.mobileconfig"))
+	f, err := os.OpenFile(fname, os.O_RDWR|os.O_CREATE, 0600)
 	if err != nil {
-		return err
+		return
 	}
 
-	if err := mc.WriteTo(f); err != nil {
+	if err = mc.WriteOut(f); err != nil {
 		_ = f.Close()
-		return err
+		return
 	}
 	_ = f.Close()
 
-	return exec.Command("open", f.Name()).Run() // nolint[gosec]
+	return
 }

internal/frontend/frontend.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -19,106 +19,72 @@
 package frontend
 
 import (
-	"github.com/0xAX/notificator"
 	"github.com/ProtonMail/proton-bridge/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/internal/config/settings"
+	"github.com/ProtonMail/proton-bridge/internal/config/useragent"
 	"github.com/ProtonMail/proton-bridge/internal/frontend/cli"
-	cliie "github.com/ProtonMail/proton-bridge/internal/frontend/cli-ie"
 	"github.com/ProtonMail/proton-bridge/internal/frontend/qt"
-	qtie "github.com/ProtonMail/proton-bridge/internal/frontend/qt-ie"
 	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
-	"github.com/ProtonMail/proton-bridge/internal/importexport"
-	"github.com/ProtonMail/proton-bridge/pkg/config"
+	"github.com/ProtonMail/proton-bridge/internal/locations"
+	"github.com/ProtonMail/proton-bridge/internal/updater"
 	"github.com/ProtonMail/proton-bridge/pkg/listener"
-	"github.com/sirupsen/logrus"
 )
 
-var (
-	log = logrus.WithField("pkg", "frontend") // nolint[unused]
-)
-
-// Frontend is an interface to be implemented by each frontend type (cli, gui, html).
 type Frontend interface {
-	Loop(credentialsError error) error
-	IsAppRestarting() bool
-}
-
-// HandlePanic handles panics which occur for users with GUI.
-func HandlePanic(appName string) {
-	notify := notificator.New(notificator.Options{
-		DefaultIcon: "../frontend/ui/icon/icon.png",
-		AppName:     appName,
-	})
-	_ = notify.Push("Fatal Error", "The "+appName+" has encountered a fatal error. ", "/frontend/icon/icon.png", notificator.UR_CRITICAL)
+	Loop() error
+	NotifyManualUpdate(update updater.VersionInfo, canInstall bool)
+	SetVersion(update updater.VersionInfo)
+	NotifySilentUpdateInstalled()
+	NotifySilentUpdateError(error)
+	WaitUntilFrontendIsReady()
 }
 
 // New returns initialized frontend based on `frontendType`, which can be `cli` or `qt`.
 func New(
 	version,
 	buildVersion,
+	programName,
 	frontendType string,
 	showWindowOnStart bool,
 	panicHandler types.PanicHandler,
-	config *config.Config,
-	preferences *config.Preferences,
+	locations *locations.Locations,
+	settings *settings.Settings,
 	eventListener listener.Listener,
-	updates types.Updater,
+	updater types.Updater,
+	userAgent *useragent.UserAgent,
 	bridge *bridge.Bridge,
 	noEncConfirmator types.NoEncConfirmator,
+	restarter types.Restarter,
 ) Frontend {
 	bridgeWrap := types.NewBridgeWrap(bridge)
-	return new(version, buildVersion, frontendType, showWindowOnStart, panicHandler, config, preferences, eventListener, updates, bridgeWrap, noEncConfirmator)
-}
-
-func new(
-	version,
-	buildVersion,
-	frontendType string,
-	showWindowOnStart bool,
-	panicHandler types.PanicHandler,
-	config *config.Config,
-	preferences *config.Preferences,
-	eventListener listener.Listener,
-	updates types.Updater,
-	bridge types.Bridger,
-	noEncConfirmator types.NoEncConfirmator,
-) Frontend {
 	switch frontendType {
+	case "qt":
+		return qt.New(
+			version,
+			buildVersion,
+			programName,
+			showWindowOnStart,
+			panicHandler,
+			locations,
+			settings,
+			eventListener,
+			updater,
+			userAgent,
+			bridgeWrap,
+			noEncConfirmator,
+			restarter,
+		)
 	case "cli":
-		return cli.New(panicHandler, config, preferences, eventListener, updates, bridge)
+		return cli.New(
+			panicHandler,
+			locations,
+			settings,
+			eventListener,
+			updater,
+			bridgeWrap,
+			restarter,
+		)
 	default:
-		return qt.New(version, buildVersion, showWindowOnStart, panicHandler, config, preferences, eventListener, updates, bridge, noEncConfirmator)
-	}
-}
-
-// NewImportExport returns initialized frontend based on `frontendType`, which can be `cli` or `qt`.
-func NewImportExport(
-	version,
-	buildVersion,
-	frontendType string,
-	panicHandler types.PanicHandler,
-	config *config.Config,
-	eventListener listener.Listener,
-	updates types.Updater,
-	ie *importexport.ImportExport,
-) Frontend {
-	ieWrap := types.NewImportExportWrap(ie)
-	return newImportExport(version, buildVersion, frontendType, panicHandler, config, eventListener, updates, ieWrap)
-}
-
-func newImportExport(
-	version,
-	buildVersion,
-	frontendType string,
-	panicHandler types.PanicHandler,
-	config *config.Config,
-	eventListener listener.Listener,
-	updates types.Updater,
-	ie types.ImportExporter,
-) Frontend {
-	switch frontendType {
-	case "cli":
-		return cliie.New(panicHandler, config, eventListener, updates, ie)
-	default:
-		return qtie.New(version, buildVersion, panicHandler, config, eventListener, updates, ie)
+		return nil
 	}
 }

internal/frontend/qml/AccountDelegate.qml

@@ -0,0 +1,188 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+import QtQuick 2.13
+import QtQuick.Layouts 1.12
+import QtQuick.Controls 2.12
+
+import Proton 4.0
+
+Item {
+    id: root
+
+    property ColorScheme colorScheme
+    property var user
+
+    property var _spacing: 12
+
+    property color usedSpaceColor : {
+        if (!root.enabled) return root.colorScheme.text_weak
+        if (root.type == AccountDelegate.SmallView) return root.colorScheme.text_weak
+        if (root.usedFraction < .50) return root.colorScheme.signal_success
+        if (root.usedFraction < .75) return root.colorScheme.signal_warning
+        return root.colorScheme.signal_danger
+    }
+    property real usedFraction: root.user ? reasonableFracion(root.user.usedBytes, root.user.totalBytes) : 0
+    property string totalSpace: root.spaceWithUnits(root.user ? root.reasonableBytes(root.user.totalBytes) : 0)
+    property string usedSpace: root.spaceWithUnits(root.user ? root.reasonableBytes(root.user.usedBytes) : 0)
+
+    function reasonableFracion(used, total){
+        var usedSafe = root.reasonableBytes(used)
+        var totalSafe = root.reasonableBytes(total)
+        if (totalSafe == 0 || usedSafe == 0) return 0
+        if (totalSafe <= usedSafe) return 1
+        return usedSafe / totalSafe
+    }
+
+    function reasonableBytes(bytes){
+        var safeBytes = bytes+0
+        if (safeBytes != bytes) return 0
+        if (safeBytes < 0) return 0
+        return Math.ceil(safeBytes)
+    }
+
+    function spaceWithUnits(bytes){
+        if (bytes*1 !== bytes || bytes == 0 ) return "0 kB"
+        var units = ['B',"kB", "MB", "GB", "TB"];
+        var i = parseInt(Math.floor(Math.log(bytes)/Math.log(1024)));
+
+        return Math.round(bytes*10 / Math.pow(1024, i))/10 + " " + units[i]
+    }
+
+    // width expected to be set by parent object
+    implicitHeight : children[0].implicitHeight
+
+    enum ViewType{
+        SmallView, LargeView
+    }
+    property var type : AccountDelegate.SmallView
+
+    RowLayout {
+        spacing: root._spacing
+
+        anchors {
+            top: root.top
+            left: root.left
+            right: root.rigth
+        }
+
+        Rectangle {
+            id: avatar
+
+            Layout.fillHeight: true
+            Layout.preferredWidth: height
+
+            radius: 4
+
+            color: root.colorScheme.background_avatar
+
+            Label {
+                colorScheme: root.colorScheme
+                anchors.fill: parent
+                text: root.user ? root.user.avatarText.toUpperCase(): ""
+                type: {
+                    switch (root.type) {
+                        case AccountDelegate.SmallView: return Label.Body
+                        case AccountDelegate.LargeView: return Label.Title
+                    }
+                }
+                font.weight: Font.Normal
+                color: "#FFFFFF"
+                horizontalAlignment: Qt.AlignHCenter
+                verticalAlignment: Qt.AlignVCenter
+            }
+        }
+
+        ColumnLayout {
+            id: account
+            Layout.fillHeight: true
+            Layout.fillWidth: true
+
+            spacing: 0
+
+            Label {
+                Layout.maximumWidth: root.width - (
+                    root._spacing + avatar.width
+                )
+
+                colorScheme: root.colorScheme
+                text: root.user ? user.username : ""
+                type: {
+                    switch (root.type) {
+                        case AccountDelegate.SmallView: return Label.Body
+                        case AccountDelegate.LargeView: return Label.Title
+                    }
+                }
+                elide: Text.ElideMiddle
+            }
+
+            Item { implicitHeight: root.type == AccountDelegate.LargeView ? 6 : 0 }
+
+            RowLayout {
+                spacing: 0
+                Label {
+                    colorScheme: root.colorScheme
+                    text: root.user && root.user.loggedIn ? root.usedSpace : qsTr("Signed out")
+                    color: root.usedSpaceColor
+                    type: {
+                        switch (root.type) {
+                            case AccountDelegate.SmallView: return Label.Caption
+                            case AccountDelegate.LargeView: return Label.Body
+                        }
+                    }
+                }
+
+                Label {
+                    colorScheme: root.colorScheme
+                    text: root.user && root.user.loggedIn ? " / " + root.totalSpace : ""
+                    color: root.colorScheme.text_weak
+                    type: {
+                        switch (root.type) {
+                            case AccountDelegate.SmallView: return Label.Caption
+                            case AccountDelegate.LargeView: return Label.Body
+                        }
+                    }
+                }
+            }
+
+
+            Rectangle {
+                visible: root.user ? root.type == AccountDelegate.LargeView : false
+                width: 140
+                height: 4
+                radius: 3
+                color: root.colorScheme.border_weak
+
+                Rectangle {
+                    radius: 3
+                    color: root.usedSpaceColor
+                    visible: root.user ? parent.visible && root.user.loggedIn : false
+                    anchors {
+                        top    : parent.top
+                        bottom : parent.bottom
+                        left   : parent.left
+                    }
+                    width: Math.min(1,Math.max(0.02,root.usedFraction)) * parent.width
+                }
+            }
+        }
+
+        Item {
+            Layout.fillWidth: true
+        }
+    }
+}

internal/frontend/qml/AccountView.qml

@@ -0,0 +1,250 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+import QtQuick 2.13
+import QtQuick.Layouts 1.12
+import QtQuick.Controls 2.12
+
+import Proton 4.0
+
+Item {
+    id: root
+    property ColorScheme colorScheme
+    property var backend
+    property var notifications
+    property var user
+
+    signal showSignIn()
+    signal showSetupGuide(var user, string address)
+
+    property int _leftMargin: 64
+    property int _rightMargin: 64
+    property int _topMargin: 32
+    property int _detailsTopMargin: 25
+    property int _bottomMargin: 12
+    property int _spacing: 20
+    property int _lineWidth: 1
+
+    ScrollView {
+        id: scrollView
+        clip: true
+
+        anchors.fill: parent
+
+        Item {
+            // can't use parent here because parent is not ScrollView (Flickable inside contentItem inside ScrollView)
+            width: scrollView.availableWidth
+            height: scrollView.availableHeight
+
+            implicitHeight: children[0].implicitHeight + children[0].anchors.topMargin + children[0].anchors.bottomMargin
+            // do not set implicitWidth because implicit width of ColumnLayout will be equal to maximum implicit width of
+            // internal items. And if one of internal items would be a Text or Label - implicit width of those is always
+            // equal to non-wrapped text (i.e. one line only). That will lead to enabling horizontal scroll when not needed
+            implicitWidth: width
+
+            ColumnLayout {
+                spacing: 0
+
+                anchors.fill: parent
+
+                Rectangle {
+                    id: topRectangle
+                    color: root.colorScheme.background_norm
+
+                    implicitHeight: children[0].implicitHeight + children[0].anchors.topMargin + children[0].anchors.bottomMargin
+                    implicitWidth: children[0].implicitWidth + children[0].anchors.leftMargin + children[0].anchors.rightMargin
+
+                    Layout.fillWidth: true
+
+                    ColumnLayout {
+                        spacing: root._spacing
+
+                        anchors.fill: parent
+                        anchors.leftMargin: root._leftMargin
+                        anchors.rightMargin: root._rightMargin
+                        anchors.topMargin: root._topMargin
+                        anchors.bottomMargin: root._bottomMargin
+
+                        RowLayout { // account delegate with action buttons
+                            Layout.fillWidth: true
+
+                            AccountDelegate {
+                                Layout.fillWidth: true
+                                colorScheme: root.colorScheme
+                                user: root.user
+                                type: AccountDelegate.LargeView
+                                enabled: root.user ? root.user.loggedIn : false
+                            }
+
+                            Button {
+                                Layout.alignment: Qt.AlignTop
+                                colorScheme: root.colorScheme
+                                text: qsTr("Sign out")
+                                secondary: true
+                                visible: root.user ? root.user.loggedIn : false
+                                onClicked: {
+                                    if (!root.user) return
+                                    root.user.logout()
+                                }
+                            }
+
+                            Button {
+                                Layout.alignment: Qt.AlignTop
+                                colorScheme: root.colorScheme
+                                text: qsTr("Sign in")
+                                secondary: true
+                                visible: root.user ? !root.user.loggedIn : false
+                                onClicked: {
+                                    if (!root.user) return
+                                    root.showSignIn()
+                                }
+                            }
+
+                            Button {
+                                Layout.alignment: Qt.AlignTop
+                                colorScheme: root.colorScheme
+                                icon.source: "icons/ic-trash.svg"
+                                secondary: true
+                                onClicked: {
+                                    if (!root.user) return
+                                    root.notifications.askDeleteAccount(root.user)
+                                }
+                            }
+                        }
+
+                        Rectangle {
+                            Layout.fillWidth: true
+                            height: root._lineWidth
+                            color: root.colorScheme.border_weak
+                        }
+
+                        SettingsItem {
+                            colorScheme: root.colorScheme
+                            text: qsTr("Email clients")
+                            actionText: qsTr("Configure")
+                            description: qsTr("Using the mailbox details below (re)configure your client.")
+                            type: SettingsItem.Button
+                            enabled: root.user ? root.user.loggedIn : false
+                            visible: root.user ? !root.user.splitMode || root.user.addresses.length==1 : false
+                            showSeparator: splitMode.visible
+                            onClicked: {
+                                if (!root.user) return
+                                root.showSetupGuide(root.user, user.addresses[0])
+                            }
+
+                            Layout.fillWidth: true
+                        }
+
+                        SettingsItem {
+                            id: splitMode
+                            colorScheme: root.colorScheme
+                            text: qsTr("Split addresses")
+                            description: qsTr("Setup multiple email addresses individually.")
+                            type: SettingsItem.Toggle
+                            checked: root.user ? root.user.splitMode : false
+                            visible: root.user ? root.user.addresses.length > 1 : false
+                            enabled: root.user ? root.user.loggedIn : false
+                            showSeparator: addressSelector.visible
+                            onClicked: {
+                                if (!splitMode.checked){
+                                    root.notifications.askEnableSplitMode(user)
+                                } else {
+                                    root.user.toggleSplitMode(!splitMode.checked)
+                                }
+                            }
+
+                            Layout.fillWidth: true
+                        }
+
+                        RowLayout {
+                            Layout.fillWidth: true
+                            enabled: root.user ? root.user.loggedIn : false
+                            visible: root.user ? root.user.splitMode : false
+
+                            ComboBox {
+                                id: addressSelector
+                                colorScheme: root.colorScheme
+                                Layout.fillWidth: true
+                                model: root.user ? root.user.addresses : null
+                            }
+
+                            Button {
+                                colorScheme: root.colorScheme
+                                text: qsTr("Configure")
+                                secondary: true
+                                onClicked: {
+                                    if (!root.user) return
+                                    root.showSetupGuide(root.user, addressSelector.displayText)
+                                }
+                            }
+                        }
+                    }
+                }
+
+                Rectangle {
+                    color: root.colorScheme.background_weak
+
+                    implicitHeight: children[0].implicitHeight + children[0].anchors.topMargin + children[0].anchors.bottomMargin
+                    implicitWidth: children[0].implicitWidth + children[0].anchors.leftMargin + children[0].anchors.rightMargin
+
+                    Layout.fillWidth: true
+
+                    ColumnLayout {
+                        id: configuration
+
+                        anchors.fill: parent
+                        anchors.leftMargin: root._leftMargin
+                        anchors.rightMargin: root._rightMargin
+                        anchors.topMargin: root._detailsTopMargin
+                        anchors.bottomMargin: root._spacing
+
+                        spacing: root._spacing
+                        visible: root.user ? root.user.loggedIn : false
+
+                        property string currentAddress: addressSelector.displayText
+
+                        Label {
+                            colorScheme: root.colorScheme
+                            text: qsTr("Mailbox details")
+                            type: Label.Body_semibold
+                        }
+
+                        Configuration {
+                            colorScheme: root.colorScheme
+                            title: qsTr("IMAP")
+                            hostname:   root.backend.hostname
+                            port:       root.backend.portIMAP.toString()
+                            username:   configuration.currentAddress
+                            password:   root.user ? root.user.password : ""
+                            security:   "STARTTLS"
+                        }
+
+                        Configuration {
+                            colorScheme: root.colorScheme
+                            title: qsTr("SMTP")
+                            hostname : root.backend.hostname
+                            port     : root.backend.portSMTP.toString()
+                            username : configuration.currentAddress
+                            password : root.user ? root.user.password : ""
+                            security : root.backend.useSSLforSMTP ? "SSL" : "STARTTLS"
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

internal/frontend/qml/Banner.qml

@@ -0,0 +1,233 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+import QtQuick 2.13
+import QtQuick.Layouts 1.12
+import QtQuick.Controls 2.12
+import QtQuick.Controls.impl 2.12
+
+import Proton 4.0
+import Notifications 1.0
+
+Popup {
+    id: root
+
+    property ColorScheme colorScheme
+    property Notification notification
+    property var mainWindow
+
+    topMargin:  37
+    leftMargin:  (mainWindow.width - root.implicitWidth)/2
+
+    implicitHeight: contentLayout.implicitHeight + contentLayout.anchors.topMargin + contentLayout.anchors.bottomMargin
+    implicitWidth: 600 // contentLayout.implicitWidth + contentLayout.anchors.leftMargin + contentLayout.anchors.rightMargin
+
+    popupType: ApplicationWindow.PopupType.Banner
+
+    shouldShow: notification ? (notification.active && !notification.dismissed) : false
+
+    modal: false
+
+    Action {
+        id: defaultDismissAction
+
+        text: qsTr("OK")
+        onTriggered: {
+            if (!root.notification) {
+                return
+            }
+
+            root.notification.dismissed = true
+        }
+    }
+
+    RowLayout {
+        id: contentLayout
+        anchors.fill: parent
+        spacing: 0
+
+        Item {
+            Layout.fillHeight: true
+            Layout.fillWidth: true
+
+            clip: true
+            implicitHeight: children[1].implicitHeight + children[1].anchors.topMargin + children[1].anchors.bottomMargin
+            implicitWidth: children[1].implicitWidth + children[1].anchors.leftMargin + children[1].anchors.rightMargin
+
+            Rectangle {
+                anchors.top: parent.top
+                anchors.bottom: parent.bottom
+                anchors.left: parent.left
+                width: parent.width + 10
+                radius: 10
+                color: {
+                    if (!root.notification) {
+                        return "transparent"
+                    }
+
+                    switch (root.notification.type) {
+                    case Notification.NotificationType.Info:
+                        return root.colorScheme.signal_info
+                    case Notification.NotificationType.Success:
+                        return root.colorScheme.signal_success
+                    case Notification.NotificationType.Warning:
+                        return root.colorScheme.signal_warning
+                    case Notification.NotificationType.Danger:
+                        return root.colorScheme.signal_danger
+                    }
+                }
+            }
+
+            RowLayout {
+                anchors.fill: parent
+
+                anchors.topMargin: 14
+                anchors.bottomMargin: 14
+                anchors.leftMargin: 16
+
+                spacing: 8
+
+                ColorImage {
+                    color: root.colorScheme.text_invert
+                    width: 24
+                    height: 24
+
+                    sourceSize.width: 24
+                    sourceSize.height: 24
+
+                    Layout.preferredHeight: 24
+                    Layout.preferredWidth: 24
+
+                    source: {
+                        if (!root.notification) {
+                            return ""
+                        }
+
+                        switch (root.notification.type) {
+                        case Notification.NotificationType.Info:
+                            return "./icons/ic-info-circle-filled.svg"
+                        case Notification.NotificationType.Success:
+                            return "./icons/ic-info-circle-filled.svg"
+                        case Notification.NotificationType.Warning:
+                            return "./icons/ic-exclamation-circle-filled.svg"
+                        case Notification.NotificationType.Danger:
+                            return "./icons/ic-exclamation-circle-filled.svg"
+                        }
+                    }
+                }
+
+                Label {
+                    colorScheme: root.colorScheme
+                    Layout.fillWidth: true
+                    Layout.alignment: Qt.AlignVCenter
+
+                    color: root.colorScheme.text_invert
+                    text: root.notification ? root.notification.description : ""
+
+                    wrapMode: Text.WordWrap
+                }
+            }
+        }
+
+        Rectangle {
+            Layout.fillHeight: true
+            width: 1
+            color: {
+                if (!root.notification) {
+                    return "transparent"
+                }
+
+                switch (root.notification.type) {
+                case Notification.NotificationType.Info:
+                    return root.colorScheme.signal_info_active
+                case Notification.NotificationType.Success:
+                    return root.colorScheme.signal_success_active
+                case Notification.NotificationType.Warning:
+                    return root.colorScheme.signal_warning_active
+                case Notification.NotificationType.Danger:
+                    return root.colorScheme.signal_danger_active
+                }
+            }
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            Layout.fillHeight: true
+
+            id: actionButton
+
+            action: (root.notification && root.notification.action.length > 0) ? root.notification.action[0] : defaultDismissAction
+
+            background: Item {
+                clip: true
+                Rectangle {
+                    anchors.top: parent.top
+                    anchors.bottom: parent.bottom
+                    anchors.right: parent.right
+                    width: parent.width + 10
+                    radius: 10
+                    color: {
+                        if (!root.notification) {
+                            return "transparent"
+                        }
+
+                        var norm
+                        var hover
+                        var active
+
+                        switch (root.notification.type) {
+                        case Notification.NotificationType.Info:
+                            norm = root.colorScheme.signal_info
+                            hover = root.colorScheme.signal_info_hover
+                            active = root.colorScheme.signal_info_active
+                            break;
+                        case Notification.NotificationType.Success:
+                            norm = root.colorScheme.signal_success
+                            hover = root.colorScheme.signal_success_hover
+                            active = root.colorScheme.signal_success_active
+                            break;
+                        case Notification.NotificationType.Warning:
+                            norm = root.colorScheme.signal_warning
+                            hover = root.colorScheme.signal_warning_hover
+                            active = root.colorScheme.signal_warning_active
+                            break;
+                        case Notification.NotificationType.Danger:
+                            norm = root.colorScheme.signal_danger
+                            hover = root.colorScheme.signal_danger_hover
+                            active = root.colorScheme.signal_danger_active
+                            break;
+                        }
+
+                        if (actionButton.down) {
+                            return active
+                        }
+
+                        if (actionButton.enabled && (actionButton.highlighted || actionButton.hovered || actionButton.checked)) {
+                            return hover
+                        }
+
+                        if (actionButton.loading) {
+                            return hover
+                        }
+
+                        return norm
+                    }
+                }
+            }
+        }
+    }
+}

internal/frontend/qml/Bridge.qml

@@ -0,0 +1,266 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+import QtQml 2.12
+import QtQuick 2.13
+import QtQuick.Window 2.13
+import Qt.labs.platform 1.1
+
+import Proton 4.0
+import Notifications 1.0
+
+QtObject {
+    id: root
+
+    function isInInterval(num, lower_limit, upper_limit) {
+        return lower_limit <= num && num <= upper_limit
+    }
+    function bound(num, lower_limit, upper_limit) {
+        return Math.max(lower_limit, Math.min(upper_limit, num))
+    }
+
+    property var backend
+
+    property Notifications _notifications: Notifications {
+        id: notifications
+        backend: root.backend
+        frontendMain: mainWindow
+        frontendStatus: statusWindow
+        frontendTray: trayIcon
+    }
+
+    property MainWindow _mainWindow: MainWindow {
+        id: mainWindow
+        visible: false
+
+        backend: root.backend
+        notifications: root._notifications
+
+        onVisibleChanged: {
+            backend.dockIconVisible = visible
+        }
+
+        Connections {
+            target: root.backend
+            onCacheUnavailable: {
+                mainWindow.showAndRise()
+            }
+            onColorSchemeNameChanged: root.setColorScheme()
+        }
+    }
+
+    property StatusWindow _statusWindow: StatusWindow {
+        id: statusWindow
+        visible: false
+
+        backend: root.backend
+        notifications: root._notifications
+
+        onShowMainWindow: {
+            mainWindow.showAndRise()
+        }
+
+        onShowHelp: {
+            mainWindow.showHelp()
+            mainWindow.showAndRise()
+        }
+
+        onShowSettings: {
+            mainWindow.showSettings()
+            mainWindow.showAndRise()
+        }
+
+        onShowSignIn: {
+            mainWindow.showSignIn(username)
+            mainWindow.showAndRise()
+        }
+
+        onQuit: {
+            backend.quit()
+        }
+
+        property rect screenRect
+        property rect iconRect
+
+        // use binding from function with width and height as arguments so it will be recalculated every time width and height are changed
+        property point position: getPosition(width, height)
+        x: position.x
+        y: position.y
+
+        function getPosition(_width, _height) {
+            if (screenRect.width === 0 || screenRect.height === 0) {
+                return Qt.point(0, 0)
+            }
+
+            var _x = 0
+            var _y = 0
+
+            // fit above
+            _y = iconRect.top - height
+            if (isInInterval(_y, screenRect.top, screenRect.bottom - height)) {
+                // position preferebly in the horizontal center but bound to the screen rect
+                _x = bound(iconRect.left + (iconRect.width - width)/2, screenRect.left, screenRect.right - width)
+                return Qt.point(_x, _y)
+            }
+
+            // fit below
+            _y = iconRect.bottom
+            if (isInInterval(_y, screenRect.top, screenRect.bottom - height)) {
+                // position preferebly in the horizontal center but bound to the screen rect
+                _x = bound(iconRect.left + (iconRect.width - width)/2, screenRect.left, screenRect.right - width)
+                return Qt.point(_x, _y)
+            }
+
+            // fit to the left
+            _x = iconRect.left - width
+            if (isInInterval(_x, screenRect.left, screenRect.right - width)) {
+                // position preferebly in the vertical center but bound to the screen rect
+                _y = bound(iconRect.top + (iconRect.height - height)/2, screenRect.top, screenRect.bottom - height)
+                return Qt.point(_x, _y)
+            }
+
+            // fir to the right
+            _x = iconRect.right
+            if (isInInterval(_x, screenRect.left, screenRect.right - width)) {
+                // position preferebly in the vertical center but bound to the screen rect
+                _y = bound(iconRect.top + (iconRect.height - height)/2, screenRect.top, screenRect.bottom - height)
+                return Qt.point(_x, _y)
+            }
+
+            // Fallback: position satatus window right above icon and let window manager decide.
+            console.warn("Can't position status window: screenRect =", screenRect, "iconRect =", iconRect)
+            _x = bound(iconRect.left + (iconRect.width - width)/2, screenRect.left, screenRect.right - width)
+            _y = bound(iconRect.top + (iconRect.height - height)/2, screenRect.top, screenRect.bottom - height)
+            return Qt.point(_x, _y)
+        }
+    }
+
+    property SystemTrayIcon _trayIcon: SystemTrayIcon {
+        id: trayIcon
+        visible: true
+        icon.source: "./icons/systray-mono.png"
+        icon.mask: true // make sure that systems like macOS will use proper color
+        tooltip: `Proton Mail Bridge v${backend.version}`
+        onActivated: {
+            function calcStatusWindowPosition() {
+                // On some platforms (X11 / Plasma) Qt does not provide icon position and geometry info.
+                // In this case we rely on cursor position
+                var iconRect = Qt.rect(geometry.x, geometry.y, geometry.width, geometry.height)
+                if (geometry.width == 0 && geometry.height == 0) {
+                    var mousePos = backend.getCursorPos()
+                    iconRect.x = mousePos.x
+                    iconRect.y = mousePos.y
+                    iconRect.width = 0
+                    iconRect.height = 0
+                }
+
+                // Find screen
+                var screen
+                for (var i in Qt.application.screens) {
+                    var _screen = Qt.application.screens[i]
+                    if (
+                        isInInterval(iconRect.x, _screen.virtualX, _screen.virtualX + _screen.width) &&
+                        isInInterval(iconRect.y, _screen.virtualY, _screen.virtualY + _screen.height)
+                    ) {
+                        screen = _screen
+                        break
+                    }
+                }
+                if (!screen) {
+                    // Fallback to primary screen
+                    screen = Qt.application.screens[0]
+                }
+
+                // In case we used mouse to detect icon position - we want to make a fake icon rectangle from a point
+                if (iconRect.width == 0 && iconRect.height == 0) {
+                    iconRect.x = bound(iconRect.x - 16, screen.virtualX, screen.virtualX + screen.width - 32)
+                    iconRect.y = bound(iconRect.y - 16, screen.virtualY, screen.virtualY + screen.height - 32)
+                    iconRect.width = 32
+                    iconRect.height = 32
+                }
+
+                statusWindow.screenRect = Qt.rect(screen.virtualX, screen.virtualY, screen.width, screen.height)
+                statusWindow.iconRect = iconRect
+            }
+
+            function toggleWindow(win) {
+                if (win.visible) {
+                    win.close()
+                } else {
+                    win.showAndRise()
+                }
+            }
+
+
+            switch (reason) {
+                case SystemTrayIcon.Unknown:
+                break;
+                case SystemTrayIcon.Context:
+                case SystemTrayIcon.Trigger:
+                case SystemTrayIcon.DoubleClick:
+                case SystemTrayIcon.MiddleClick:
+                calcStatusWindowPosition()
+                toggleWindow(statusWindow)
+                break;
+                default:
+                break;
+            }
+        }
+    }
+
+    Component.onCompleted: {
+        if (!root.backend) {
+            console.log("backend not loaded")
+        }
+
+        root.setColorScheme()
+
+
+        if (!root.backend.users) {
+            console.log("users not loaded")
+        }
+
+        var c = root.backend.users.count
+        var u = root.backend.users.get(0)
+        // DEBUG
+        if (c != 0) {
+            console.log("users non zero", c)
+            console.log("first user", u )
+        }
+
+        if (c === 0) {
+            mainWindow.showAndRise()
+        }
+
+        if (u) {
+            if (c === 1 && u.loggedIn === false) {
+                mainWindow.showAndRise()
+            }
+        }
+
+        if (root.backend.showOnStartup) {
+            mainWindow.showAndRise()
+        }
+
+        root.backend.guiReady()
+    }
+
+    function setColorScheme() {
+        if (root.backend.colorSchemeName == "light") ProtonStyle.currentStyle = ProtonStyle.lightStyle
+        if (root.backend.colorSchemeName == "dark") ProtonStyle.currentStyle = ProtonStyle.darkStyle
+    }
+}

internal/frontend/qml/BridgeTest/UserControl.qml

@@ -0,0 +1,316 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+import QtQml 2.12
+import QtQuick 2.13
+import QtQuick.Layouts 1.12
+import QtQuick.Controls 2.13
+
+import Proton 4.0
+
+ColumnLayout {
+    id: root
+
+    property var user
+    property var userIndex
+    property var backend
+
+    spacing : 5
+
+    Layout.fillHeight: true
+    //Layout.fillWidth: true
+
+    property ColorScheme colorScheme
+
+    TextField {
+        colorScheme: root.colorScheme
+        Layout.fillWidth: true
+
+        text: user !== undefined ? user.username : ""
+
+        onEditingFinished: {
+            user.username = text
+        }
+    }
+
+    ColumnLayout {
+        Layout.fillWidth: true
+
+        Switch {
+            id: userLoginSwitch
+            colorScheme: root.colorScheme
+
+            text: "LoggedIn"
+            enabled: user !== undefined && user.username.length > 0
+
+            checked: user ? user.loggedIn : false
+
+            onCheckedChanged: {
+                if (!user) {
+                    return
+                }
+
+                if (checked) {
+                    if (user === backend.loginUser) {
+                        var newUserObject = backend.userComponent.createObject(backend, {username: user.username, loggedIn: true, setupGuideSeen: user.setupGuideSeen})
+                        backend.users.append( { object: newUserObject } )
+
+                        user.username = ""
+                        user.resetLoginRequests()
+                        return
+                    }
+
+                    user.loggedIn = true
+                    user.resetLoginRequests()
+                    return
+                } else {
+                    user.loggedIn = false
+                    user.resetLoginRequests()
+                }
+            }
+        }
+
+        Switch {
+            colorScheme: root.colorScheme
+
+            text: "Setup guide seen"
+            enabled: user !== undefined && user.username.length > 0
+
+            checked: user ? user.setupGuideSeen : false
+
+            onCheckedChanged: {
+                if (!user) {
+                    return
+                }
+
+                user.setupGuideSeen = checked
+            }
+        }
+    }
+
+
+    RowLayout {
+        Layout.fillWidth: true
+
+        Label {
+            colorScheme: root.colorScheme
+            id: loginLabel
+            text: "Login:"
+
+            Layout.preferredWidth: Math.max(loginLabel.implicitWidth, faLabel.implicitWidth, passLabel.implicitWidth)
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            text: "name/pass error"
+            enabled: user !== undefined //&& user.isLoginRequested && !user.isLogin2FARequested && !user.isLogin2PasswordProvided
+
+            onClicked: {
+                root.backend.loginUsernamePasswordError("")
+                user.resetLoginRequests()
+            }
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            text: "free user error"
+            enabled: user !== undefined //&& user.isLoginRequested
+            onClicked: {
+                root.backend.loginFreeUserError()
+                user.resetLoginRequests()
+            }
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            text: "connection error"
+            enabled: user !== undefined //&& user.isLoginRequested
+            onClicked: {
+                root.backend.loginConnectionError("")
+                user.resetLoginRequests()
+            }
+        }
+    }
+
+    RowLayout {
+        Layout.fillWidth: true
+
+        Label {
+            colorScheme: root.colorScheme
+            id: faLabel
+            text: "2FA:"
+
+            Layout.preferredWidth: Math.max(loginLabel.implicitWidth, faLabel.implicitWidth, passLabel.implicitWidth)
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            text: "request"
+
+            enabled: user !== undefined //&& user.isLoginRequested && !user.isLogin2FARequested && !user.isLogin2PasswordRequested
+            onClicked: {
+                root.backend.login2FARequested(user.username)
+                user.isLogin2FARequested = true
+            }
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            text: "error"
+
+            enabled: user !== undefined //&& user.isLogin2FAProvided && !(user.isLogin2PasswordRequested && !user.isLogin2PasswordProvided)
+            onClicked: {
+                root.backend.login2FAError("")
+                user.isLogin2FAProvided = false
+            }
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            text: "Abort"
+
+            enabled: user !== undefined //&& user.isLogin2FAProvided && !(user.isLogin2PasswordRequested && !user.isLogin2PasswordProvided)
+            onClicked: {
+                root.backend.login2FAErrorAbort("")
+                user.resetLoginRequests()
+            }
+        }
+    }
+
+    RowLayout {
+        Layout.fillWidth: true
+
+        Label {
+            colorScheme: root.colorScheme
+            id: passLabel
+            text: "2 Password:"
+
+            Layout.preferredWidth: Math.max(loginLabel.implicitWidth, faLabel.implicitWidth, passLabel.implicitWidth)
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            text: "request"
+
+            enabled: user !== undefined //&& user.isLoginRequested && !user.isLogin2PasswordRequested && !(user.isLogin2FARequested && !user.isLogin2FAProvided)
+            onClicked: {
+                root.backend.login2PasswordRequested("")
+                user.isLogin2PasswordRequested = true
+            }
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            text: "error"
+
+            enabled: user !== undefined //&& user.isLogin2PasswordProvided && !(user.isLogin2FARequested && !user.isLogin2FAProvided)
+            onClicked: {
+                root.backend.login2PasswordError("")
+
+                user.isLogin2PasswordProvided = false
+            }
+        }
+
+        Button {
+            colorScheme: root.colorScheme
+            text: "Abort"
+
+            enabled: user !== undefined //&& user.isLogin2PasswordProvided && !(user.isLogin2FARequested && !user.isLogin2FAProvided)
+            onClicked: {
+                root.backend.login2PasswordErrorAbort("")
+                user.resetLoginRequests()
+            }
+        }
+    }
+
+    RowLayout {
+        Button {
+            colorScheme: root.colorScheme
+            text: "Login Finished"
+
+            onClicked: {
+                root.backend.loginFinished(0+loginFinishedIndex.text)
+                user.resetLoginRequests()
+            }
+        }
+        TextField {
+            id: loginFinishedIndex
+            colorScheme: root.colorScheme
+            label: "Index:"
+            text: root.userIndex
+        }
+    }
+
+    RowLayout {
+        Button {
+            colorScheme: root.colorScheme
+            text: "Already logged in"
+
+            onClicked: {
+                root.backend.loginAlreadyLoggedIn(0+loginAlreadyLoggedInIndex.text)
+                user.resetLoginRequests()
+            }
+        }
+        TextField {
+            id: loginAlreadyLoggedInIndex
+            colorScheme: root.colorScheme
+            label: "Index:"
+            text: root.userIndex
+        }
+    }
+
+    RowLayout {
+        TextField {
+            colorScheme: root.colorScheme
+            label: "used:"
+            text: user && user.usedBytes ? user.usedBytes : 0
+            onEditingFinished: {
+                user.usedBytes = parseFloat(text)
+            }
+            implicitWidth: 200
+        }
+        TextField {
+            colorScheme: root.colorScheme
+            label: "total:"
+            text: user && user.totalBytes ? user.totalBytes : 0
+            onEditingFinished: {
+                user.totalBytes = parseFloat(text)
+            }
+            implicitWidth: 200
+        }
+    }
+
+    RowLayout {
+        Label {colorScheme: root.colorScheme; text: "Split mode"}
+        Toggle { colorScheme: root.colorScheme; checked: user ? user.splitMode : false; onClicked: {user.splitMode = !user.splitMode}}
+        Button { colorScheme: root.colorScheme; text: "Toggle Finished"; onClicked: {user.toggleSplitModeFinished()}}
+    }
+
+    TextArea { // TODO: this is causing binding loop on imlicitWidth
+        colorScheme: root.colorScheme
+        text: user && user.addresses ? user.addresses.join("\n") : "user@protonmail.com"
+        Layout.fillWidth: true
+
+        onEditingFinished: {
+            user.addresses = text.split("\n")
+        }
+    }
+
+    Item {
+        Layout.fillHeight: true
+    }
+}

internal/frontend/qml/BridgeTest/UserList.qml

@@ -0,0 +1,102 @@
+// Copyright (c) 2022 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+import QtQuick 2.13
+import QtQuick.Layouts 1.12
+import QtQuick.Controls 2.13
+
+import Proton 4.0
+
+ColumnLayout {
+    id: root
+
+    property ColorScheme colorScheme
+    property var backend
+
+    property alias currentIndex: usersListView.currentIndex
+    ListView {
+        id: usersListView
+        Layout.fillHeight: true
+        Layout.preferredWidth: 200
+
+        model: backend.usersTest
+        highlightFollowsCurrentItem: true
+
+        delegate: Item {
+
+            implicitHeight: children[0].implicitHeight + anchors.topMargin + anchors.bottomMargin
+            implicitWidth: children[0].implicitWidth + anchors.leftMargin + anchors.rightMargin
+
+            width: usersListView.width
+
+            anchors.margins: 10
+
+            Label {
+                colorScheme: root.colorScheme
+                text: modelData.username
+                anchors.margins: 10
+                anchors.fill: parent
+
+                MouseArea {
+                    anchors.fill: parent
+                    onClicked: {
+                        usersListView.currentIndex = index
+                    }
+                }
+            }
+        }
+
+        highlight: Rectangle {
+            color: root.colorScheme.interaction_default_active
+        }
+    }
+
+    RowLayout {
+        Layout.fillWidth: true
+
+        Button {
+            colorScheme: root.colorScheme
+
+            text: "+"
+
+            onClicked: {
+                var newUserObject = backend.userComponent.createObject(backend)
+                newUserObject.username = backend.loginUser.username.length > 0 ? backend.loginUser.username : "test@protonmail.com"
+                newUserObject.loggedIn = true
+                newUserObject.setupGuideSeen = true // backend.loginUser.setupGuideSeen
+
+                backend.loginUser.username = ""
+                backend.loginUser.loggedIn = false
+                backend.loginUser.setupGuideSeen = false
+
+                backend.users.append( { object: newUserObject } )
+            }
+        }
+        Button {
+            colorScheme: root.colorScheme
+            text: "-"
+
+            enabled: usersListView.currentIndex != 0
+
+            onClicked: {
+                // var userObject = backend.users.get(usersListView.currentIndex - 1)
+                backend.users.remove(usersListView.currentIndex - 1)
+                // userObject.deleteLater()
+            }
+        }
+    }
+}

internal/frontend/qml/BridgeTest/UserModel.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2022 Proton Technologies AG
 //
 // This file is part of ProtonMail Bridge.
 //
@@ -15,19 +15,14 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+import QtQml.Models 2.12
 
-package qt
-
-const (
-	TabAccount    = 0
-	TabSettings   = 1
-	TabHelp       = 2
-	TabQuit       = 4
-	TabUpdates    = 100
-	TabAddAccount = -1
-)
-
-func (s *FrontendQt) SendNotification(tabIndex int, msg string) {
-	s.Qml.NotifyBubble(tabIndex, msg)
+ListModel {
+    // overriding get method to ignore any role and return directly object itself
+    function get(row) {
+        if (row < 0 || row >= count) {
+            return undefined
+        }
+        return data(index(row, 0), Qt.DisplayRole)
+    }
 }

internal/frontend/qml/BridgeUI/AccountDelegate.qml

@@ -1,430 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-import QtQuick 2.8
-import ProtonUI 1.0
-import BridgeUI 1.0
-
-// NOTE: Keep the Column so the height and width is inherited from content
-Column {
-    id: root
-    state: status
-    anchors.left: parent.left
-
-    property int row_width: 50 * Style.px
-    property int row_height: Style.accounts.heightAccount
-    property var listalias : aliases.split(";")
-    property int iAccount: index
-
-    Accessible.role: go.goos=="windows" ? Accessible.Grouping : Accessible.Row
-    Accessible.name: qsTr("Account %1, status %2", "Accessible text describing account row with arguments: account name and status (connected/disconnected), resp.").arg(account).arg(statusMark.text)
-    Accessible.description: Accessible.name
-    Accessible.ignored: !enabled || !visible
-
-    // Main row
-    Rectangle {
-        id: mainaccRow
-        anchors.left: parent.left
-        width  : row_width
-        height : row_height
-        state: { return isExpanded ? "expanded" : "collapsed" }
-        color: Style.main.background
-
-        property string actionName : (
-            isExpanded ?
-            qsTr("Collapse row for account %2", "Accessible text of button showing additional configuration of account") : 
-            qsTr("Expand row for account %2", "Accessible text of button hiding additional configuration of account")
-        ).  arg(account)
-
-
-        // override by other buttons
-        MouseArea {
-            id: mouseArea
-            anchors.fill: parent
-            onClicked : {
-                if (root.state=="connected") {
-                    mainaccRow.toggle_accountSettings()
-                }
-            }
-            cursorShape : root.state == "connected" ? Qt.PointingHandCursor : Qt.ArrowCursor
-            hoverEnabled: true
-            onEntered: {
-                if (mainaccRow.state=="collapsed") {
-                    mainaccRow.color = Qt.lighter(Style.main.background,1.1)
-                }
-            }
-            onExited: {
-                if (mainaccRow.state=="collapsed") {
-                    mainaccRow.color = Style.main.background
-                }
-            }
-        }
-
-        // toggle down/up icon
-        Text {
-            id: toggleIcon
-            anchors {
-                left           : parent.left
-                verticalCenter : parent.verticalCenter
-                leftMargin     : Style.main.leftMargin
-            }
-            color: Style.main.text
-            font {
-                pointSize : Style.accounts.sizeChevron * Style.pt
-                family    : Style.fontawesome.name
-            }
-            text: Style.fa.chevron_down
-
-            MouseArea {
-                anchors.fill: parent
-                Accessible.role: Accessible.Button
-                Accessible.name: mainaccRow.actionName
-                Accessible.description: mainaccRow.actionName
-                Accessible.onPressAction : mainaccRow.toggle_accountSettings()
-                Accessible.ignored: root.state!="connected" || !root.enabled
-            }
-        }
-
-        // account name
-        TextMetrics {
-            id: accountMetrics
-            font : accountName.font
-            elide: Qt.ElideMiddle
-            elideWidth: Style.accounts.elideWidth
-            text: account
-        }
-        Text {
-            id: accountName
-            anchors {
-                verticalCenter : parent.verticalCenter
-                left           : toggleIcon.left
-                leftMargin     : Style.main.leftMargin
-            }
-            color: Style.main.text
-            font {
-                pointSize : (Style.main.fontSize+2*Style.px) * Style.pt
-            }
-            text: accountMetrics.elidedText
-        }
-
-        // status
-        ClickIconText {
-            id: statusMark
-            anchors {
-                verticalCenter : parent.verticalCenter
-                left           : parent.left
-                leftMargin     : Style.accounts.leftMargin2
-            }
-            text      : qsTr("connected", "status of a listed logged-in account")
-            iconText  : Style.fa.circle_o
-            textColor : Style.main.textGreen
-            enabled   : false
-            Accessible.ignored: true
-        }
-
-        // logout
-        ClickIconText {
-            id: logoutAccount
-            anchors {
-                verticalCenter : parent.verticalCenter
-                left           : parent.left
-                leftMargin     : Style.accounts.leftMargin3
-            }
-            text      : qsTr("Log out", "action to log out a connected account")
-            iconText  : Style.fa.power_off
-            textBold  : true
-            textColor : Style.main.textBlue
-        }
-
-        // remove
-        ClickIconText {
-            id: deleteAccount
-            anchors {
-                verticalCenter : parent.verticalCenter
-                right          : parent.right
-                rightMargin    : Style.main.rightMargin
-            }
-            text      : qsTr("Remove", "deletes an account from the account settings page")
-            iconText  : Style.fa.trash_o
-            textColor : Style.main.text
-            onClicked : {
-                dialogGlobal.input=root.iAccount
-                dialogGlobal.state="deleteUser"
-                dialogGlobal.show()
-            }
-        }
-
-
-        // functions
-        function toggle_accountSettings() {
-            if (root.state=="connected") {
-                if (mainaccRow.state=="collapsed" ) {
-                    mainaccRow.state="expanded"
-                } else {
-                    mainaccRow.state="collapsed"
-                }
-            }
-        }
-
-        states: [
-            State {
-                name: "collapsed"
-                PropertyChanges { target : toggleIcon  ; text      : root.state=="connected" ? Style.fa.chevron_down : " " }
-                PropertyChanges { target : accountName ; font.bold : false                 }
-                PropertyChanges { target : mainaccRow  ; color     : Style.main.background }
-                PropertyChanges { target : addressList ; visible   : false                 }
-            },
-            State {
-                name: "expanded"
-                PropertyChanges { target : toggleIcon  ; text      : Style.fa.chevron_up               }
-                PropertyChanges { target : accountName ; font.bold : true                              }
-                PropertyChanges { target : mainaccRow  ; color     : Style.accounts.backgroundExpanded }
-                PropertyChanges { target : addressList ; visible   : true                              }
-            }
-        ]
-    }
-
-    // List of adresses
-    Column {
-        id: addressList
-        anchors.left : parent.left
-        width: row_width
-        visible: false
-        property alias model : repeaterAddresses.model
-
-        Rectangle {
-            id: addressModeWrapper
-            anchors {
-                left  : parent.left
-                right : parent.right
-            }
-            visible : mainaccRow.state=="expanded"
-            height  : 2*Style.accounts.heightAddrRow/3
-            color   : Style.accounts.backgroundExpanded
-
-            ClickIconText {
-                id: addressModeSwitch
-                anchors {
-                    top         : addressModeWrapper.top
-                    right       : addressModeWrapper.right
-                    rightMargin : Style.main.rightMargin
-                }
-                textColor   : Style.main.textBlue
-                iconText    : Style.fa.exchange
-                iconOnRight : false
-                text        : isCombinedAddressMode ?
-                qsTr("Switch to split addresses mode", "Text of button switching to mode with one configuration per each address.") :
-                qsTr("Switch to combined addresses mode", "Text of button switching to mode with one configuration for all addresses.")
-
-                onClicked: {
-                    dialogGlobal.input=root.iAccount
-                    dialogGlobal.state="addressmode"
-                    dialogGlobal.show()
-                }
-            }
-
-            ClickIconText {
-                id: combinedAddressConfig
-                anchors {
-                    top        : addressModeWrapper.top
-                    left       : addressModeWrapper.left
-                    leftMargin : Style.accounts.leftMarginAddr+Style.main.leftMargin
-                }
-                visible   : isCombinedAddressMode
-                text      : qsTr("Mailbox configuration", "Displays IMAP/SMTP settings information for a given account")
-                iconText  : Style.fa.gear
-                textColor : Style.main.textBlue
-                onClicked : {
-                    infoWin.showInfo(root.iAccount,0)
-                }
-            }
-        }
-
-        Repeater {
-            id: repeaterAddresses
-            model: ["one", "two"]
-
-            Rectangle {
-                id: addressRow
-                visible: !isCombinedAddressMode
-                anchors {
-                    left  : parent.left
-                    right : parent.right
-                }
-                height: Style.accounts.heightAddrRow
-                color: Style.accounts.backgroundExpanded
-
-                // icon level down
-                Text {
-                    id: levelDown
-                    anchors {
-                        left           : parent.left
-                        leftMargin     : Style.accounts.leftMarginAddr
-                        verticalCenter : wrapAddr.verticalCenter
-                    }
-                    text        : Style.fa.level_up
-                    font.family : Style.fontawesome.name
-                    color       : Style.main.textDisabled
-                    rotation    : 90
-                }
-
-                Rectangle {
-                    id: wrapAddr
-                    anchors {
-                        top         : parent.top
-                        left        : levelDown.right
-                        right       : parent.right
-                        leftMargin  : Style.main.leftMargin
-                        rightMargin : Style.main.rightMargin
-                    }
-                    height: Style.accounts.heightAddr
-                    border {
-                        width : Style.main.border
-                        color : Style.main.line
-                    }
-                    color: Style.accounts.backgroundAddrRow
-
-                    TextMetrics {
-                        id: addressMetrics
-                        font: address.font
-                        elideWidth: 2*wrapAddr.width/3
-                        elide: Qt.ElideMiddle
-                        text: modelData
-                    }
-
-                    Text {
-                        id: address
-                        anchors {
-                            verticalCenter : parent.verticalCenter
-                            left: parent.left
-                            leftMargin: Style.main.leftMargin
-                        }
-                        font.pointSize :  Style.main.fontSize * Style.pt
-                        color: Style.main.text
-                        text: addressMetrics.elidedText
-                    }
-
-                    ClickIconText {
-                        id: addressConfig
-                        anchors {
-                            verticalCenter : parent.verticalCenter
-                            right: parent.right
-                            rightMargin: Style.main.rightMargin
-                        }
-                        text      : qsTr("Address configuration", "Display the IMAP/SMTP configuration for address")
-                        iconText  : Style.fa.gear
-                        textColor : Style.main.textBlue
-                        onClicked : infoWin.showInfo(root.iAccount,index)
-
-                        Accessible.description: qsTr("Address configuration for %1", "Accessible text of button displaying the IMAP/SMTP configuration for address %1").arg(modelData)
-                        Accessible.ignored: !enabled
-                    }
-
-                    MouseArea {
-                        id: clickSettings
-                        anchors.fill: wrapAddr
-                        onClicked : addressConfig.clicked()
-                        cursorShape: Qt.PointingHandCursor
-                        hoverEnabled: true
-                        onPressed: {
-                            wrapAddr.color = Qt.rgba(1,1,1,0.20)
-                        }
-                        onEntered: {
-                            wrapAddr.color = Qt.rgba(1,1,1,0.15)
-                        }
-                        onExited: {
-                            wrapAddr.color = Style.accounts.backgroundAddrRow
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    Rectangle {
-        id: line
-        color: Style.accounts.line
-        height: Style.accounts.heightLine
-        width: root.row_width
-    }
-
-
-    states: [
-        State {
-            name: "connected"
-            PropertyChanges {
-                target : addressList
-                model  : listalias
-            }
-            PropertyChanges {
-                target : toggleIcon
-                color  : Style.main.text
-            }
-            PropertyChanges {
-                target : accountName
-                color  : Style.main.text
-            }
-            PropertyChanges {
-                target    : statusMark
-                textColor : Style.main.textGreen
-                text      : qsTr("connected", "status of a listed logged-in account")
-                iconText  : Style.fa.circle
-            }
-            PropertyChanges {
-                target : logoutAccount
-                text   : qsTr("Log out", "action to log out a connected account")
-                onClicked : {
-                    mainaccRow.state="collapsed"
-                    dialogGlobal.input = root.iAccount
-                    dialogGlobal.state = "logout"
-                    dialogGlobal.show()
-                    dialogGlobal.confirmed()
-                }
-            }
-        },
-        State {
-            name: "disconnected"
-            PropertyChanges {
-                target : addressList
-                model  : 0
-            }
-            PropertyChanges {
-                target : toggleIcon
-                color  : Style.main.textDisabled
-            }
-            PropertyChanges {
-                target : accountName
-                color  : Style.main.textDisabled
-            }
-            PropertyChanges {
-                target    : statusMark
-                textColor : Style.main.textDisabled
-                text      : qsTr("disconnected", "status of a listed logged-out account")
-                iconText  : Style.fa.circle_o
-            }
-            PropertyChanges {
-                target : logoutAccount
-                text   : qsTr("Log in", "action to log in a disconnected account")
-                onClicked : {
-                    dialogAddUser.username = root.listalias[0]
-                    dialogAddUser.show()
-                    dialogAddUser.inputPassword.focusInput = true
-                }
-            }
-        }
-    ]
-}

internal/frontend/qml/BridgeUI/BubbleMenu.qml

@@ -1,72 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Dialog with main menu
-
-import QtQuick 2.8
-import BridgeUI 1.0
-import ProtonUI 1.0
-
-Rectangle {
-    id: root
-    color: "#aaff5577"
-    anchors {
-        left   : tabbar.left
-        right  : tabbar.right
-        top    : tabbar.bottom
-        bottom : parent.bottom
-    }
-    visible: false
-
-    MouseArea {
-        anchors.fill: parent
-        onClicked: toggle()
-    }
-
-    Rectangle {
-        color  : Style.menu.background
-        radius : Style.menu.radius
-        width  : Style.menu.width
-        height : Style.menu.height
-        anchors {
-            top         : parent.top
-            right       : parent.right
-            topMargin   : Style.menu.topMargin
-            rightMargin : Style.menu.rightMargin
-        }
-
-        MouseArea {
-            anchors.fill: parent
-        }
-
-        Text {
-            anchors.centerIn: parent
-            text: qsTr("About")
-            color: Style.menu.text
-        }
-    }
-
-    function toggle(){
-        if (root.visible == false) {
-            root.visible = true
-        } else {
-            root.visible = false
-        }
-    }
-}
-
-

internal/frontend/qml/BridgeUI/DialogFirstStart.qml

@@ -1,124 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Dialog with Yes/No buttons
-
-import QtQuick 2.8
-import ProtonUI 1.0
-
-Dialog {
-    id: root
-
-    title : ""
-    isDialogBusy: false
-    property string firstParagraph : qsTr("The Bridge is an application that runs on your computer in the background and seamlessly encrypts and decrypts your mail as it enters and leaves your computer.", "instructions that appear on welcome screen at first start")
-    property string secondParagraph : qsTr("To add your ProtonMail account to the Bridge and <strong>generate your Bridge password</strong>, please see <a href=\"https://protonmail.com/bridge/install\">the installation guide</a> for detailed setup instructions.", "confirms and dismisses a notification (URL that leads to installation guide should stay intact)")
-
-    Column {
-        id: dialogMessage
-        property int heightInputs : welcome.height + middleSep.height + instructions.height + buttSep.height + buttonOkay.height + imageSep.height + logo.height
-
-        Rectangle { color : "transparent"; width : Style.main.dummy; height : (root.height-dialogMessage.heightInputs)/2 }
-
-        Text {
-            id:welcome
-            color: Style.main.text
-            font.bold: true
-            font.pointSize: 1.5*Style.main.fontSize*Style.pt
-            anchors.horizontalCenter: parent.horizontalCenter
-            horizontalAlignment: Text.AlignHCenter
-            text: qsTr("Welcome to the", "welcome screen that appears on first start")
-        }
-
-        Rectangle {id: imageSep; color : "transparent"; width : Style.main.dummy; height : Style.dialog.heightSeparator }
-
-
-        Row {
-            anchors.horizontalCenter: parent.horizontalCenter
-            spacing: Style.dialog.spacing
-            Image {
-                id: logo
-                anchors.bottom : pmbridge.baseline
-                height   : 2*Style.main.fontSize
-                fillMode : Image.PreserveAspectFit
-                mipmap   : true
-                source   : "../ProtonUI/images/pm_logo.png"
-            }
-            AccessibleText {
-                id:pmbridge
-                color: Style.main.text
-                font.bold: true
-                font.pointSize: 2.2*Style.main.fontSize*Style.pt
-                horizontalAlignment: Text.AlignHCenter
-                text: qsTr("ProtonMail Bridge", "app title")
-
-                Accessible.name: this.clearText(pmbridge.text)
-                Accessible.description: this.clearText(welcome.text+ " " + pmbridge.text + ". " + root.firstParagraph + ". " + root.secondParagraph)
-            }
-        }
-
-
-
-        Rectangle { id:middleSep; color : "transparent"; width : Style.main.dummy; height : Style.dialog.heightSeparator }
-
-
-        Text {
-            id:instructions
-            color: Style.main.text
-            font.pointSize: Style.main.fontSize*Style.pt
-            anchors.horizontalCenter: parent.horizontalCenter
-            horizontalAlignment: Text.AlignHCenter
-            width: root.width/1.5
-            wrapMode: Text.Wrap
-            textFormat: Text.RichText
-            text: "<html><style>a { color: "+Style.main.textBlue+"; text-decoration: none;}</style><body>"+
-            root.firstParagraph +
-            "<br/><br/>"+
-            root.secondParagraph +
-            "</body></html>"
-            onLinkActivated: {
-                Qt.openUrlExternally(link)
-            }
-        }
-
-        Rectangle { id:buttSep; color : "transparent"; width : Style.main.dummy; height : 2*Style.dialog.heightSeparator }
-
-
-        ButtonRounded {
-            id:buttonOkay
-            color_main: Style.dialog.text
-            color_minor: Style.main.textBlue
-            isOpaque: true
-            fa_icon: Style.fa.check
-            text: qsTr("Okay", "confirms and dismisses a notification")
-            onClicked : root.hide()
-            anchors.horizontalCenter: parent.horizontalCenter
-        }
-    }
-
-    timer.interval : 3000
-
-    Connections {
-        target: timer
-        onTriggered: {
-        }
-    }
-
-    onShow : {
-        pmbridge.Accessible.selected = true
-    }
-}

internal/frontend/qml/BridgeUI/DialogPortChange.qml

@@ -1,233 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Dialog with Yes/No buttons
-
-import QtQuick 2.8
-import BridgeUI 1.0
-import ProtonUI 1.0
-import QtQuick.Controls 2.2 as QC
-
-Dialog {
-    id: root
-
-    title : "Set IMAP & SMTP settings"
-    subtitle : "Changes require reconfiguration of Mail client. (Bridge will automatically restart)"
-    isDialogBusy: currentIndex==1
-
-    Column {
-        id: dialogMessage
-        property int heightInputs : imapPort.height + middleSep.height + smtpPort.height + buttonSep.height + buttonRow.height + secSMTPSep.height + securitySMTP.height
-
-        Rectangle { color : "transparent"; width : Style.main.dummy; height : (root.height-dialogMessage.heightInputs)/1.6 }
-
-        InputField {
-            id: imapPort
-            iconText : Style.fa.hashtag
-            label    : qsTr("IMAP port", "entry field to choose port used for the IMAP server")
-            text     : "undef"
-        }
-
-        Rectangle { id:middleSep; color : "transparent"; width : Style.main.dummy; height : Style.dialog.heightSeparator }
-
-        InputField {
-            id: smtpPort
-            iconText : Style.fa.hashtag
-            label    : qsTr("SMTP port", "entry field to choose port used for the SMTP server")
-            text     : "undef"
-        }
-
-        Rectangle { id:secSMTPSep; color : Style.transparent; width : Style.main.dummy; height : Style.dialog.heightSeparator }
-
-        // SSL button group
-        Rectangle {
-            anchors.horizontalCenter : parent.horizontalCenter
-            width : Style.dialog.widthInput
-            height : securitySMTPLabel.height + securitySMTP.height
-            color : "transparent"
-
-            AccessibleText {
-                id: securitySMTPLabel
-                anchors.left : parent.left
-                text:qsTr("SMTP connection mode")
-                color: Style.dialog.text
-                font {
-                    pointSize : Style.dialog.fontSize * Style.pt
-                    bold      : true
-                }
-            }
-            
-            QC.ButtonGroup {
-                buttons: securitySMTP.children
-            }
-            Row {
-                id: securitySMTP
-                spacing: Style.dialog.spacing
-                anchors.top: securitySMTPLabel.bottom
-                anchors.topMargin: Style.dialog.fontSize
-
-                CheckBoxLabel {
-                    id: securitySMTPSSL
-                    text: qsTr("SSL")
-                }
-
-                CheckBoxLabel {
-                    checked: true
-                    id: securitySMTPSTARTTLS
-                    text: qsTr("STARTTLS")
-                }
-            }
-        }
-
-        Rectangle { id:buttonSep; color : "transparent"; width : Style.main.dummy; height : 2*Style.dialog.heightSeparator }
-
-        Row {
-            id: buttonRow
-            anchors.horizontalCenter: parent.horizontalCenter
-            spacing: Style.dialog.spacing
-            ButtonRounded {
-                id:buttonNo
-                color_main: Style.dialog.text
-                fa_icon: Style.fa.times
-                text: qsTr("Cancel", "dismisses current action")
-                onClicked : root.hide()
-            }
-            ButtonRounded {
-                id: buttonYes
-                color_main: Style.dialog.text
-                color_minor: Style.main.textBlue
-                isOpaque: true
-                fa_icon: Style.fa.check
-                text: qsTr("Okay", "confirms and dismisses a notification")
-                onClicked : root.confirmed()
-            }
-        }
-    }
-
-    Column {
-        Rectangle { color  : "transparent";  width  : Style.main.dummy; height : (root.height-answ.height)/2 }
-        Text {
-            id: answ
-            anchors.horizontalCenter: parent.horizontalCenter
-            width : parent.width/2
-            color: Style.dialog.text
-            font {
-                pointSize : Style.dialog.fontSize * Style.pt
-                bold      : true
-            }
-            text : "IMAP: " + imapPort.text + "\nSMTP: " + smtpPort.text + "\nSMTP Connection Mode: " + getSelectedSSLMode() + "\n\n" +
-            qsTr("Settings will be applied after the next start. You will need to reconfigure your email client(s).", "after user changes their ports they will see this notification to reconfigure their setup") +
-            "\n\n" +
-            qsTr("Bridge will now restart.", "after user changes their ports this appears to notify the user of restart")
-            wrapMode: Text.Wrap
-            horizontalAlignment: Text.AlignHCenter
-        }
-    }
-
-    function areInputsOK() {
-        var isOK = true
-        var imapUnchanged = false
-        var secSMTPUnchanged = (securitySMTPSTARTTLS.checked == go.isSMTPSTARTTLS())
-        root.warning.text = ""
-
-        if (imapPort.text!=go.getIMAPPort()) {
-            if (go.isPortOpen(imapPort.text)!=0) {
-                imapPort.rightIcon = Style.fa.exclamation_triangle
-                root.warning.text = qsTr("Port number is not available.", "if the user changes one of their ports to a port that is occupied by another application")
-                isOK=false
-            } else {
-                imapPort.rightIcon = Style.fa.check_circle
-            }
-        } else {
-            imapPort.rightIcon = ""
-            imapUnchanged = true
-        }
-
-        if (smtpPort.text!=go.getSMTPPort()) {
-            if (go.isPortOpen(smtpPort.text)!=0) {
-                smtpPort.rightIcon = Style.fa.exclamation_triangle
-                root.warning.text = qsTr("Port number is not available.", "if the user changes one of their ports to a port that is occupied by another application")
-                isOK=false
-            } else {
-                smtpPort.rightIcon = Style.fa.check_circle
-            }
-        } else {
-            smtpPort.rightIcon = ""
-            if (imapUnchanged && secSMTPUnchanged) {
-                root.warning.text = qsTr("Please change at least one port number or SMTP security.", "if the user tries to change IMAP/SMTP ports to the same ports as before")
-                isOK=false
-            }
-        }
-
-        if (imapPort.text == smtpPort.text) {
-            smtpPort.rightIcon = Style.fa.exclamation_triangle
-            root.warning.text = qsTr("Port numbers must be different.", "if the user sets both the IMAP and SMTP ports to the same number")
-            isOK=false
-        }
-
-        root.warning.visible = !isOK
-        return isOK
-    }
-
-    function confirmed() {
-        if (areInputsOK()) {
-            incrementCurrentIndex()
-            timer.start()
-        }
-    }
-
-    function getSelectedSSLMode() {
-        if (securitySMTPSTARTTLS.checked == true) {
-            return "STARTTLS"
-        } else {
-            return "SSL"
-        }
-    }
-
-    onShow : {
-        imapPort.text = go.getIMAPPort()
-        smtpPort.text = go.getSMTPPort()
-        if (go.isSMTPSTARTTLS()) {
-            securitySMTPSTARTTLS.checked = true
-        } else {
-            securitySMTPSSL.checked = true
-        }
-        areInputsOK()
-        root.warning.visible = false
-    }
-
-    Shortcut {
-        sequence: StandardKey.Cancel
-        onActivated: root.hide()
-    }
-
-    Shortcut {
-        sequence: "Enter"
-        onActivated: root.confirmed()
-    }
-
-    timer.interval : 3000
-
-    Connections {
-        target: timer
-        onTriggered: {
-            go.setPortsAndSecurity(imapPort.text, smtpPort.text, securitySMTPSTARTTLS.checked)
-            go.isRestarting = true
-            Qt.quit()
-        }
-    }
-}

internal/frontend/qml/BridgeUI/DialogTLSCertInfo.qml

@@ -1,77 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-import QtQuick 2.8
-import BridgeUI 1.0
-import ProtonUI 1.0
-
-
-Dialog {
-    id: root
-    title: qsTr("Connection security error", "Title of modal explainning TLS issue")
-
-    property string par1Title  : qsTr("Description:", "Title of paragraph describing the issue")
-    property string par1Text   : qsTr (
-        "ProtonMail Bridge was not able to establish a secure connection to Proton servers due to a TLS certificate error. "+
-        "This means your connection may potentially be insecure and susceptible to monitoring by third parties.",
-        "A paragraph describing the issue"
-    )
-
-    property string par2Title  : qsTr("Recommendation:", "Title of paragraph describing recommended steps")
-    property string par2Text   : qsTr (
-        "If you are on a corporate or public network, the network administrator may be monitoring or intercepting all traffic.",
-        "A paragraph describing network issue"
-    )
-    property string par2ul1    : qsTr(
-        "If you trust your network operator, you can continue to use ProtonMail as usual.",
-        "A list item describing recomendation for trusted network"
-    )
-
-    property string par2ul2       : qsTr(
-        "If you don't trust your network operator, reconnect to ProtonMail over a VPN (such as ProtonVPN) "+
-        "which encrypts your Internet connection, or use a different network to access ProtonMail.",
-        "A list item describing recomendation for untrusted network"
-    )
-    property string par3Text      : qsTr("Learn more on our knowledge base article","A paragraph describing where to find more information")
-    property string kbArticleText : qsTr("What is TLS certificate error.", "Link text for knowledge base article")
-    property string kbArticleLink : "https://protonmail.com/support/knowledge-base/"
-
-
-    Item {
-        AccessibleText {
-            anchors.centerIn: parent
-            color: Style.old.pm_white
-            linkColor: color
-            width: parent.width - 50 * Style.px
-            wrapMode: Text.WordWrap
-            font.pointSize: Style.main.fontSize*Style.pt
-            onLinkActivated: Qt.openUrlExternally(link)
-            text: "<h3>"+par1Title+"</h3>"+
-            par1Text+"<br>\n"+
-            "<h3>"+par2Title+"</h3>"+
-            par2Text+
-            "<ul>"+
-            "<li>"+par2ul1+"</li>"+
-            "<li>"+par2ul2+"</li>"+
-            "</ul>"+"<br>\n"+
-            ""
-            //par3Text+
-            //" <a href='"+kbArticleLink+"'>"+kbArticleText+"</a>\n"
-        }
-    }
-}
-

internal/frontend/qml/BridgeUI/DialogYesNo.qml

@@ -1,382 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Dialog with Yes/No buttons
-
-import QtQuick 2.8
-import BridgeUI 1.0
-import ProtonUI 1.0
-
-Dialog {
-    id: root
-
-    title : ""
-
-    property string input
-
-    property alias question  : msg.text
-    property alias note      : noteText.text
-    property alias answer    : answ.text
-    property alias buttonYes : buttonYes
-    property alias buttonNo  : buttonNo
-
-    isDialogBusy: currentIndex==1
-
-    signal confirmed()
-
-    Column {
-        id: dialogMessage
-        property int heightInputs : msg.height+
-        middleSep.height+
-        buttonRow.height +
-        (checkboxSep.visible ? checkboxSep.height : 0 ) +
-        (noteSep.visible ? noteSep.height : 0 ) +
-        (checkBoxWrapper.visible ? checkBoxWrapper.height : 0 ) +
-        (root.note!="" ? noteText.height : 0 )
-
-        Rectangle { color : "transparent"; width : Style.main.dummy; height : (root.height-dialogMessage.heightInputs)/2 }
-
-        AccessibleText {
-            id:noteText
-            anchors.horizontalCenter: parent.horizontalCenter
-            color: Style.dialog.text
-            font {
-                pointSize: Style.dialog.fontSize * Style.pt
-                bold: false
-            }
-            width: 2*root.width/3
-            horizontalAlignment: Text.AlignHCenter
-            wrapMode: Text.Wrap
-        }
-        Rectangle { id: noteSep; visible: note!=""; color : "transparent"; width : Style.main.dummy; height : Style.dialog.heightSeparator}
-
-        AccessibleText {
-            id: msg
-            anchors.horizontalCenter: parent.horizontalCenter
-            color: Style.dialog.text
-            font {
-                pointSize: Style.dialog.fontSize * Style.pt
-                bold: true
-            }
-            width: 2*parent.width/3
-            text : ""
-            horizontalAlignment: Text.AlignHCenter
-            wrapMode: Text.Wrap
-        }
-
-        Rectangle { id: checkboxSep; visible: checkBoxWrapper.visible; color : "transparent"; width : Style.main.dummy; height : Style.dialog.heightSeparator}
-        Row {
-            id: checkBoxWrapper
-            property bool isChecked : false
-            visible: root.state=="deleteUser"
-            anchors.horizontalCenter: parent.horizontalCenter
-            spacing: Style.dialog.spacing
-
-            function toggle() {
-                checkBoxWrapper.isChecked = !checkBoxWrapper.isChecked
-            }
-
-            Text {
-                id: checkbox
-                font {
-                    pointSize : Style.dialog.iconSize * Style.pt
-                    family    : Style.fontawesome.name
-                }
-                anchors.verticalCenter : parent.verticalCenter
-                text: checkBoxWrapper.isChecked ? Style.fa.check_square_o : Style.fa.square_o
-                color: checkBoxWrapper.isChecked ? Style.main.textBlue : Style.main.text
-
-                MouseArea {
-                    anchors.fill: parent
-                    onPressed: checkBoxWrapper.toggle()
-                    cursorShape: Qt.PointingHandCursor
-                }
-            }
-            Text {
-                id: checkBoxNote
-                anchors.verticalCenter : parent.verticalCenter
-                text: qsTr("Additionally delete all stored preferences and data", "when removing an account, this extra preference additionally deletes all cached data")
-                color: Style.main.text
-                font.pointSize: Style.dialog.fontSize * Style.pt
-
-                MouseArea {
-                    anchors.fill: parent
-                    onPressed: checkBoxWrapper.toggle()
-                    cursorShape: Qt.PointingHandCursor
-
-                    Accessible.role: Accessible.CheckBox
-                    Accessible.checked: checkBoxWrapper.isChecked
-                    Accessible.name: checkBoxNote.text
-                    Accessible.description: checkBoxNote.text
-                    Accessible.ignored: checkBoxNote.text == ""
-                    Accessible.onToggleAction: checkBoxWrapper.toggle()
-                    Accessible.onPressAction: checkBoxWrapper.toggle()
-                }
-            }
-        }
-
-        Rectangle { id: middleSep; color : "transparent"; width : Style.main.dummy; height : 2*Style.dialog.heightSeparator }
-
-        Row {
-            id: buttonRow
-            anchors.horizontalCenter: parent.horizontalCenter
-            spacing: Style.dialog.spacing
-            ButtonRounded {
-                id:buttonNo
-                color_main: Style.dialog.text
-                fa_icon: Style.fa.times
-                text: qsTr("No")
-                onClicked : root.hide()
-            }
-            ButtonRounded {
-                id: buttonYes
-                color_main: Style.dialog.text
-                color_minor: Style.main.textBlue
-                isOpaque: true
-                fa_icon: Style.fa.check
-                text: qsTr("Yes")
-                onClicked : {
-                    currentIndex=1
-                    root.confirmed()
-                }
-            }
-        }
-    }
-
-
-    Column {
-        Rectangle { color  : "transparent";  width  : Style.main.dummy; height : (root.height-answ.height)/2 }
-        AccessibleText {
-            id: answ
-            anchors.horizontalCenter: parent.horizontalCenter
-            color: Style.old.pm_white
-            font {
-                pointSize : Style.dialog.fontSize * Style.pt
-                bold      : true
-            }
-            width: 3*parent.width/4
-            horizontalAlignment: Text.AlignHCenter
-            text : qsTr("Waiting...", "in general this displays between screens when processing data takes a long time")
-            wrapMode: Text.Wrap
-        }
-    }
-
-
-    states : [
-        State {
-            name: "quit"
-            PropertyChanges {
-                target: root
-                currentIndex : 0
-                title        : qsTr("Close Bridge", "quits the application")
-                question     : qsTr("Are you sure you want to close the Bridge?", "asked when user tries to quit the application")
-                note         : ""
-                answer       : qsTr("Closing Bridge...", "displayed when user is quitting application")
-            }
-        },
-        State {
-            name: "logout"
-            PropertyChanges {
-                target: root
-                currentIndex : 1
-                title        : qsTr("Logout", "title of page that displays during account logout")
-                question     : ""
-                note         : ""
-                answer       : qsTr("Logging out...", "displays during account logout")
-            }
-        },
-        State {
-            name: "deleteUser"
-            PropertyChanges {
-                target: root
-                currentIndex : 0
-                title        : qsTr("Delete account", "title of page that displays during account deletion")
-                question     : qsTr("Are you sure you want to remove this account?", "displays during account deletion")
-                note         : ""
-                answer       : qsTr("Deleting ...", "displays during account deletion")
-            }
-        },
-        State {
-            name: "clearChain"
-            PropertyChanges {
-                target       : root
-                currentIndex : 0
-                title        : qsTr("Clear keychain", "title of page that displays during keychain clearing")
-                question     : qsTr("Are you sure you want to clear your keychain?", "displays during keychain clearing")
-                note         : qsTr("This will remove all accounts that you have added to the Bridge and disconnect you from your email client(s).", "displays during keychain clearing")
-                answer       : qsTr("Clearing the keychain ...", "displays during keychain clearing")
-            }
-        },
-        State {
-            name: "clearCache"
-            PropertyChanges {
-                target: root
-                currentIndex : 0
-                title        : qsTr("Clear cache", "title of page that displays during cache clearing")
-                question     : qsTr("Are you sure you want to clear your local cache?", "displays during cache clearing")
-                note         : qsTr("This will delete all of your stored preferences as well as cached email data for all accounts, temporarily slowing down the email download process significantly.", "displays during cache clearing")
-                answer       : qsTr("Clearing the cache ...", "displays during cache clearing")
-            }
-        },
-        State {
-            name: "checkUpdates"
-            PropertyChanges {
-                target: root
-                currentIndex : 1
-                title        : ""
-                question     : ""
-                note         : ""
-                answer       : qsTr("Checking for updates ...", "displays if user clicks the Check for Updates button in the Help tab")
-            }
-        },
-        State {
-            name: "addressmode"
-            PropertyChanges {
-                target: root
-                currentIndex : 0
-                title        : ""
-                question     : qsTr("Do you want to continue?", "asked when the user changes between split and combined address mode")
-                note         : qsTr("Changing between split and combined address mode will require you to delete your account(s) from your email client and begin the setup process from scratch.", "displayed when the user changes between split and combined address mode")
-                answer       : qsTr("Configuring address mode...", "displayed when the user changes between split and combined address mode")
-            }
-        },
-        State {
-            name: "toggleAutoStart"
-            PropertyChanges {
-                target: root
-                currentIndex : 1
-                question     : ""
-                note         : ""
-                title        : ""
-                answer       : {
-                    var msgTurnOn = qsTr("Turning on automatic start of Bridge...", "when the automatic start feature is selected")
-                    var msgTurnOff = qsTr("Turning off automatic start of Bridge...", "when the automatic start feature is deselected")
-                    return go.isAutoStart==false ? msgTurnOff  :  msgTurnOn
-                }
-            }
-        },
-        State {
-            name: "toggleAllowProxy"
-            PropertyChanges {
-                target: root
-                currentIndex : 0
-                question     : {
-                    var questionTurnOn = qsTr("Do you want to allow alternative routing?")
-                    var questionTurnOff = qsTr("Do you want to disallow alternative routing?")
-                    return go.isProxyAllowed==false ? questionTurnOn  :  questionTurnOff
-                }
-                note         : qsTr("In case Proton sites are blocked, this setting allows Bridge to try alternative network routing to reach Proton, which can be useful for bypassing firewalls or network issues. We recommend keeping this setting on for greater reliability.")
-                title        : {
-                    var titleTurnOn = qsTr("Allow alternative routing")
-                    var titleTurnOff = qsTr("Disallow alternative routing")
-                    return go.isProxyAllowed==false ? titleTurnOn  :  titleTurnOff
-                }
-                answer       : {
-                    var msgTurnOn = qsTr("Allowing Bridge to use alternative routing to connect to Proton...", "when the allow proxy feature is selected")
-                    var msgTurnOff = qsTr("Disallowing Bridge to use alternative routing to connect to Proton...", "when the allow proxy feature is deselected")
-                    return go.isProxyAllowed==false ? msgTurnOn  :  msgTurnOff
-                }
-            }
-        },
-        State {
-            name: "noKeychain"
-            PropertyChanges {
-                target: root
-                currentIndex : 0
-                note     : qsTr(
-                    "%1 is not able to detected a supported password manager (pass, gnome-keyring). Please install and setup supported password manager and restart the application.",
-                    "Error message when no keychain is detected"
-                ).arg(go.programTitle)
-                question         : qsTr("Do you want to close application now?", "when no password manager found." )
-                title        : "No system password manager detected"
-                answer       : qsTr("Closing Bridge...", "displayed when user is quitting application")
-            }
-        },
-        State {
-            name: "undef";
-            PropertyChanges {
-                target: root
-                currentIndex : 1
-                question     : ""
-                note         : ""
-                title        : ""
-                answer       : ""
-            }
-        }
-    ]
-
-
-    Shortcut {
-        sequence: StandardKey.Cancel
-        onActivated: root.hide()
-    }
-
-    Shortcut {
-        sequence: "Enter"
-        onActivated: root.confirmed()
-    }
-
-    onHide: {
-        checkBoxWrapper.isChecked = false
-        state = "undef"
-    }
-
-    onShow: {
-        // hide all other dialogs
-        winMain.dialogAddUser     .visible = false
-        winMain.dialogChangePort  .visible = false
-        winMain.dialogCredits     .visible = false
-        winMain.dialogVersionInfo .visible = false
-        // dialogFirstStart should reappear again after closing global
-        root.visible = true
-    }
-
-
-
-    onConfirmed : {
-        if (state == "quit" || state == "instance exists" ) {
-            timer.interval = 1000
-        } else {
-            timer.interval = 300
-        }
-        answ.forceActiveFocus()
-        timer.start()
-    }
-
-    Connections {
-        target: timer
-        onTriggered: {
-            if ( state == "addressmode"      ) { go.switchAddressMode   (input) }
-            if ( state == "clearChain"       ) { go.clearKeychain       ()      }
-            if ( state == "clearCache"       ) { go.clearCache          ()      }
-            if ( state == "deleteUser"       ) { go.deleteAccount       (input, checkBoxWrapper.isChecked) }
-            if ( state == "logout"           ) { go.logoutAccount       (input) }
-            if ( state == "toggleAutoStart"  ) { go.toggleAutoStart     ()      }
-            if ( state == "toggleAllowProxy" ) { go.toggleAllowProxy    ()      }
-            if ( state == "quit"             ) { Qt.quit                ()      }
-            if ( state == "instance exists"  ) { Qt.quit                ()      }
-            if ( state == "noKeychain"       ) { Qt.quit                ()      }
-            if ( state == "checkUpdates"     ) { go.runCheckVersion     (true)  }
-        }
-    }
-
-    Keys.onPressed: {
-        if (event.key == Qt.Key_Enter) {
-            root.confirmed()
-        }
-    }
-}

internal/frontend/qml/BridgeUI/HelpView.qml

@@ -1,134 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// List the settings
-
-import QtQuick 2.8
-import BridgeUI 1.0
-import ProtonUI 1.0
-
-Item {
-    id: root
-
-    // must have wrapper
-    Rectangle {
-        id: wrapper
-        anchors.centerIn: parent
-        width: parent.width
-        height: parent.height
-        color: Style.main.background
-
-        // content
-        Column {
-            anchors.horizontalCenter : parent.horizontalCenter
-
-            ButtonIconText {
-                id: logs
-                anchors.left: parent.left
-                text: qsTr("Logs", "title of button that takes user to logs directory")
-                leftIcon.text  : Style.fa.align_justify
-                rightIcon.text : Style.fa.chevron_circle_right
-                rightIcon.font.pointSize : Style.settings.toggleSize * Style.pt
-                onClicked: go.openLogs()
-            }
-
-            ButtonIconText {
-                id: bugreport
-                anchors.left: parent.left
-                text: qsTr("Report Bug", "title of button that takes user to bug report form")
-                leftIcon.text  : Style.fa.bug
-                rightIcon.text : Style.fa.chevron_circle_right
-                rightIcon.font.pointSize : Style.settings.toggleSize * Style.pt
-                onClicked: bugreportWin.show()
-            }
-
-            ButtonIconText {
-                id: manual
-                anchors.left: parent.left
-                text: qsTr("Setup Guide", "title of button that opens setup and installation guide")
-                leftIcon.text  : Style.fa.book
-                rightIcon.text : Style.fa.chevron_circle_right
-                rightIcon.font.pointSize : Style.settings.toggleSize * Style.pt
-                onClicked: go.openManual()
-            }
-
-            ButtonIconText {
-                id: updates
-                anchors.left: parent.left
-                text: qsTr("Check for Updates", "title of button to check for any app updates")
-                leftIcon.text  : Style.fa.refresh
-                rightIcon.text : Style.fa.chevron_circle_right
-                rightIcon.font.pointSize : Style.settings.toggleSize * Style.pt
-                onClicked: {
-                    dialogGlobal.state="checkUpdates"
-                    dialogGlobal.show()
-                    dialogGlobal.confirmed()
-                }
-            }
-
-            // Bottom version notes
-            Rectangle {
-                anchors.horizontalCenter : parent.horizontalCenter
-                height: viewAccount.separatorNoAccount - 3.2*manual.height
-                width: wrapper.width
-                color : "transparent"
-                AccessibleText {
-                    anchors {
-                        bottom: parent.bottom
-                        horizontalCenter: parent.horizontalCenter
-                    }
-                    color: Style.main.textDisabled
-                    horizontalAlignment: Qt.AlignHCenter
-                    font.pointSize :  Style.main.fontSize * Style.pt
-                    text:
-                    "ProtonMail Bridge "+go.getBackendVersion()+"\n"+
-                    "© 2020 Proton Technologies AG"
-                }
-            }
-            Row {
-                anchors.left : parent.left
-
-                Rectangle { height: Style.dialog.spacing; width: (wrapper.width- credits.width - release.width - sepaCreditsRelease.width)/2; color: "transparent"}
-
-                ClickIconText {
-                    id:credits
-                    iconText      : ""
-                    text          : qsTr("Credits", "link to click on to view list of credited libraries")
-                    textColor     : Style.main.textDisabled
-                    fontSize      : Style.main.fontSize
-                    textUnderline : true
-                    onClicked     : winMain.dialogCredits.show()
-                }
-
-                Rectangle {id: sepaCreditsRelease ; height: Style.dialog.spacing; width: Style.main.dummy; color: "transparent"}
-
-                ClickIconText {
-                    id:release
-                    iconText      : ""
-                    text          : qsTr("Release notes", "link to click on to view release notes for this version of the app")
-                    textColor     : Style.main.textDisabled
-                    fontSize      : Style.main.fontSize
-                    textUnderline : true
-                    onClicked     : {
-                        go.getLocalVersionInfo()
-                        winMain.dialogVersionInfo.show()
-                    }
-                }
-            }
-        }
-    }
-}

internal/frontend/qml/BridgeUI/InfoWindow.qml

@@ -1,144 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Window for imap and smtp settings
-
-import QtQuick 2.8
-import QtQuick.Window 2.2
-import BridgeUI 1.0
-import ProtonUI 1.0
-
-
-Window {
-    id:root
-    width  : Style.info.width
-    height : Style.info.height
-    minimumWidth  : Style.info.width
-    minimumHeight : Style.info.height
-    maximumWidth  : Style.info.width
-    maximumHeight : Style.info.height
-    color: "transparent"
-    flags  : Qt.Window | Qt.Dialog | Qt.FramelessWindowHint
-    title  : address
-
-    Accessible.role: Accessible.Window
-    Accessible.name: qsTr("Configuration information for %1").arg(address)
-    Accessible.description: Accessible.name
-
-    property QtObject accData : QtObject { // avoid null-pointer error
-        property string account : "undef"
-        property string aliases : "undef"
-        property string hostname : "undef"
-        property string password : "undef"
-        property int portIMAP : 0
-        property int portSMTP : 0
-    }
-    property string address : "undef"
-    property int indexAccount : 0
-    property int indexAddress : 0
-
-    WindowTitleBar {
-        id: titleBar
-        window: root
-    }
-
-    Rectangle { // background
-        color: Style.main.background
-        anchors {
-            left   : parent.left
-            right  : parent.right
-            top    : titleBar.bottom
-            bottom : parent.bottom
-        }
-        border {
-            width: Style.main.border
-            color: Style.tabbar.background
-        }
-    }
-
-    // info content
-    Column {
-        anchors {
-            left: parent.left
-            top: titleBar.bottom
-            leftMargin: Style.main.leftMargin
-            topMargin: Style.info.topMargin
-        }
-        width : root.width - Style.main.leftMargin - Style.main.rightMargin
-
-        TextLabel { text:  qsTr("IMAP SETTINGS", "title of the portion of the configuration screen that contains IMAP settings"); state: "heading"    }
-        Rectangle { width: parent.width; height: Style.info.topMargin; color: "#00000000"}
-        Grid {
-            columns: 2
-            rowSpacing: Style.main.fontSize
-            TextLabel { text: qsTr("Hostname", "in configuration screen, displays the server hostname (127.0.0.1)") + ":"} TextValue { text: root.accData.hostname }
-            TextLabel { text: qsTr("Port", "in configuration screen, displays the server port (ex. 1025)") + ":"} TextValue { text: root.accData.portIMAP }
-            TextLabel { text: qsTr("Username", "in configuration screen, displays the username to use with the desktop client") + ":"} TextValue { text: root.address          }
-            TextLabel { text: qsTr("Password", "in configuration screen, displays the Bridge password to use with the desktop client") + ":"} TextValue { text: root.accData.password }
-            TextLabel { text: qsTr("Security", "in configuration screen, displays the IMAP security settings") + ":"} TextValue { text: "STARTTLS" }
-        }
-        Rectangle { width: Style.main.dummy; height: Style.main.fontSize; color: "#00000000"}
-        Rectangle { width: Style.main.dummy; height: Style.info.topMargin; color: "#00000000"}
-
-        TextLabel { text:  qsTr("SMTP SETTINGS", "title of the portion of the configuration screen that contains SMTP settings"); state: "heading"    }
-        Rectangle { width: Style.main.dummy; height: Style.info.topMargin; color: "#00000000"}
-        Grid {
-            columns: 2
-            rowSpacing: Style.main.fontSize
-            TextLabel { text: qsTr("Hostname", "in configuration screen, displays the server hostname (127.0.0.1)") + ":"} TextValue { text: root.accData.hostname }
-            TextLabel { text: qsTr("Port", "in configuration screen, displays the server port (ex. 1025)") + ":"} TextValue { text: root.accData.portSMTP }
-            TextLabel { text: qsTr("Username", "in configuration screen, displays the username to use with the desktop client") + ":"} TextValue { text: root.address          }
-            TextLabel { text: qsTr("Password", "in configuration screen, displays the Bridge password to use with the desktop client") + ":"} TextValue { text: root.accData.password }
-            TextLabel { text: qsTr("Security", "in configuration screen, displays the SMTP security settings") + ":"} TextValue { text: go.isSMTPSTARTTLS() ? "STARTTLS" : "SSL" }
-        }
-        Rectangle { width: Style.main.dummy; height: Style.main.fontSize; color: "#00000000"}
-        Rectangle { width: Style.main.dummy; height: Style.info.topMargin; color: "#00000000"}
-    }
-
-    // apple mail button
-    ButtonRounded{
-        anchors {
-            horizontalCenter: parent.horizontalCenter
-            bottom: parent.bottom
-            bottomMargin: Style.info.topMargin
-        }
-        color_main : Style.main.textBlue
-        isOpaque: false
-        text: qsTr("Configure Apple Mail", "button on configuration screen to automatically configure Apple Mail")
-        height: Style.main.fontSize*2
-        width: 2*parent.width/3
-        onClicked: {
-            go.configureAppleMail(root.indexAccount, root.indexAddress)
-        }
-        visible: go.goos == "darwin"
-    }
-
-
-    function showInfo(iAccount, iAddress) {
-        root.indexAccount = iAccount
-        root.indexAddress = iAddress
-        root.accData = accountsModel.get(iAccount)
-        root.address =  accData.aliases.split(";")[iAddress]
-        root.show()
-        root.raise()
-        root.requestActivate()
-    }
-
-    function hide() {
-        root.visible = false
-    }
-}

internal/frontend/qml/BridgeUI/MainWindow.qml

@@ -1,455 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// This is main window
-
-import QtQuick 2.8
-import QtQuick.Window 2.2
-import QtQuick.Controls 2.1
-import QtQuick.Layouts 1.3
-import BridgeUI 1.0
-import ProtonUI 1.0
-
-
-// Main Window
-Window {
-    id: root
-    property alias tabbar                       : tabbar
-    property alias viewContent                  : viewContent
-    property alias viewAccount                  : viewAccount
-    property alias dialogAddUser                : dialogAddUser
-    property alias dialogChangePort             : dialogChangePort
-    property alias dialogCredits                : dialogCredits
-    property alias dialogTlsCert                : dialogTlsCert
-    property alias dialogUpdate                 : dialogUpdate
-    property alias dialogFirstStart             : dialogFirstStart
-    property alias dialogGlobal                 : dialogGlobal
-    property alias dialogVersionInfo            : dialogVersionInfo
-    property alias dialogConnectionTroubleshoot : dialogConnectionTroubleshoot
-    property alias bubbleNote                   : bubbleNote
-    property alias addAccountTip                : addAccountTip
-    property alias updateState                  : infoBar.state
-    property alias tlsBarState                  : tlsBar.state
-    property int heightContent                  : height-titleBar.height
-
-    // main window appeareance
-    width  : Style.main.width
-    height : Style.main.height
-    flags  : Qt.Window | Qt.FramelessWindowHint
-    color: go.goos=="windows" ? "black" : "transparent"
-    title: go.programTitle
-    minimumWidth: Style.main.width
-    minimumHeight: Style.main.height
-    maximumWidth: Style.main.width
-
-    property bool isOutdateVersion : root.updateState == "forceUpdate"
-
-    property bool activeContent :
-    !dialogAddUser     .visible &&
-    !dialogChangePort  .visible &&
-    !dialogCredits     .visible &&
-    !dialogTlsCert     .visible &&
-    !dialogUpdate      .visible &&
-    !dialogFirstStart  .visible &&
-    !dialogGlobal      .visible &&
-    !dialogVersionInfo .visible &&
-    !bubbleNote        .visible
-
-    Accessible.role: Accessible.Grouping
-    Accessible.description: qsTr("Window %1").arg(title)
-    Accessible.name: Accessible.description
-
-
-    Component.onCompleted : {
-        gui.winMain = root
-        console.log("GraphicsInfo of", titleBar,
-        "api"                   , titleBar.GraphicsInfo.api                   ,
-        "majorVersion"          , titleBar.GraphicsInfo.majorVersion          ,
-        "minorVersion"          , titleBar.GraphicsInfo.minorVersion          ,
-        "profile"               , titleBar.GraphicsInfo.profile               ,
-        "renderableType"        , titleBar.GraphicsInfo.renderableType        ,
-        "shaderCompilationType" , titleBar.GraphicsInfo.shaderCompilationType ,
-        "shaderSourceType"      , titleBar.GraphicsInfo.shaderSourceType      ,
-        "shaderType"            , titleBar.GraphicsInfo.shaderType)
-
-        tabbar.focusButton()
-    }
-
-    WindowTitleBar {
-        id: titleBar
-        window: root
-    }
-
-    Rectangle {
-        anchors {
-            top   : titleBar.bottom
-            left  : parent.left
-            right : parent.right
-            bottom : parent.bottom
-        }
-        color: Style.title.background
-    }
-
-    TLSCertPinIssueBar {
-        id: tlsBar
-        anchors {
-            left  : parent.left
-            right : parent.right
-            top   : titleBar.bottom
-            leftMargin: Style.main.border
-            rightMargin: Style.main.border
-        }
-        enabled : root.activeContent
-    }
-
-    InformationBar {
-        id: infoBar
-        anchors {
-            left  : parent.left
-            right : parent.right
-            top   : tlsBar.bottom
-            leftMargin: Style.main.border
-            rightMargin: Style.main.border
-        }
-        enabled : root.activeContent
-    }
-
-
-    TabLabels  {
-        id: tabbar
-        currentIndex : 0
-        enabled: root.activeContent
-        anchors {
-            top   : infoBar.bottom
-            right : parent.right
-            left  : parent.left
-            leftMargin: Style.main.border
-            rightMargin: Style.main.border
-        }
-        model: [
-            { "title" : qsTr("Accounts" , "title of tab that shows account list"             ), "iconText": Style.fa.user_circle_o  },
-            { "title" : qsTr("Settings" , "title of tab that allows user to change settings" ), "iconText": Style.fa.cog            },
-            { "title" : qsTr("Help"     , "title of tab that shows the help menu"            ), "iconText": Style.fa.life_ring      }
-        ]
-    }
-
-    // Content of tabs
-    StackLayout  {
-        id: viewContent
-        enabled: root.activeContent
-        // dimensions
-        anchors {
-            left   : parent.left
-            right  : parent.right
-            top    : tabbar.bottom
-            bottom : parent.bottom
-            leftMargin: Style.main.border
-            rightMargin: Style.main.border
-            bottomMargin: Style.main.border
-        }
-        // attributes
-        currentIndex : { return root.tabbar.currentIndex}
-        clip         : true
-        // content
-        AccountView  {
-            id: viewAccount
-            onAddAccount: dialogAddUser.show()
-            model: accountsModel
-            delegate: AccountDelegate {
-                row_width: viewContent.width
-            }
-        }
-
-        SettingsView { id: viewSettings; }
-        HelpView     { id: viewHelp;     }
-    }
-
-
-    // Floating things
-
-    // Triangle
-    Rectangle {
-        id: tabtriangle
-        visible: false
-        property int margin : Style.main.leftMargin+ Style.tabbar.widthButton/2
-        anchors {
-            top   : tabbar.bottom
-            left  : tabbar.left
-            leftMargin :  tabtriangle.margin - tabtriangle.width/2 + tabbar.currentIndex * tabbar.spacing
-        }
-        width: 2*Style.tabbar.heightTriangle
-        height: Style.tabbar.heightTriangle
-        color: "transparent"
-        Canvas {
-            anchors.fill: parent
-            onPaint: {
-                var ctx = getContext("2d")
-                ctx.fillStyle = Style.tabbar.background
-                ctx.moveTo(0 , 0)
-                ctx.lineTo(width/2, height)
-                ctx.lineTo(width , 0)
-                ctx.closePath()
-                ctx.fill()
-            }
-        }
-    }
-
-    // Bubble prevent action
-    Rectangle {
-        anchors {
-            left: parent.left
-            right: parent.right
-            top: titleBar.bottom
-            bottom: parent.bottom
-        }
-        visible: bubbleNote.visible
-        color: "#aa222222"
-        MouseArea {
-            anchors.fill: parent
-            hoverEnabled: true
-        }
-    }
-    BubbleNote {
-        id      : bubbleNote
-        visible : false
-        Component.onCompleted : {
-            bubbleNote.place(0)
-        }
-    }
-
-    BubbleNote {
-        id:addAccountTip
-        anchors.topMargin: viewAccount.separatorNoAccount - 2*Style.main.fontSize
-        text : qsTr("Click here to start", "on first launch, this is displayed above the Add Account button to tell the user what to do first")
-        state: (go.isFirstStart && viewAccount.numAccounts==0 && root.viewContent.currentIndex==0) ? "Visible" : "Invisible"
-        bubbleColor: Style.main.textBlue
-
-        Component.onCompleted : {
-            addAccountTip.place(-1)
-        }
-        enabled: false
-
-        states: [
-            State {
-                name: "Visible"
-                // hack: opacity 100% makes buttons dialog windows quit wrong color
-                PropertyChanges{target: addAccountTip; opacity: 0.999; visible: true}
-            },
-            State {
-                name: "Invisible"
-                PropertyChanges{target: addAccountTip; opacity: 0.0; visible: false}
-            }
-        ]
-
-        transitions: [
-            Transition {
-                from: "Visible"
-                to: "Invisible"
-
-                SequentialAnimation{
-                    NumberAnimation {
-                        target: addAccountTip
-                        property: "opacity"
-                        duration: 0
-                        easing.type: Easing.InOutQuad
-                    }
-                    NumberAnimation {
-                        target: addAccountTip
-                        property: "visible"
-                        duration: 0
-                    }
-                }
-            },
-            Transition {
-                from: "Invisible"
-                to: "Visible"
-                SequentialAnimation{
-                    NumberAnimation {
-                        target: addAccountTip
-                        property: "visible"
-                        duration: 300
-                    }
-                    NumberAnimation {
-                        target: addAccountTip
-                        property: "opacity"
-                        duration: 500
-                        easing.type: Easing.InOutQuad
-                    }
-                }
-            }
-        ]
-    }
-
-    // Dialogs
-    DialogFirstStart {
-        id: dialogFirstStart
-        visible: go.isFirstStart && gui.isFirstWindow && !dialogGlobal.visible
-    }
-
-    // Dialogs
-    DialogPortChange {
-        id: dialogChangePort
-    }
-
-    DialogConnectionTroubleshoot {
-        id: dialogConnectionTroubleshoot
-    }
-
-    DialogAddUser {
-        id: dialogAddUser
-        onCreateAccount: Qt.openUrlExternally("https://protonmail.com/signup")
-    }
-
-    DialogUpdate {
-        id: dialogUpdate
-
-        property string manualLinks : {
-            var out = ""
-            var links = go.downloadLink.split("\n")
-            var l;
-            for (l in links) {
-                out += '<a href="%1">%1</a><br>'.arg(links[l])
-            }
-            return out
-        }
-
-        title: root.isOutdateVersion ?
-        qsTr("%1 is outdated", "title of outdate dialog").arg(go.programTitle):
-        qsTr("%1 update to %2", "title of update dialog").arg(go.programTitle).arg(go.newversion)
-        introductionText: {
-            if (root.isOutdateVersion) {
-                if (go.goos=="linux") {
-                    return qsTr('You are using an outdated version of our software.<br>
-                    Please download and install the latest version to continue using %1.<br><br>
-                    %2',
-                    "Message for force-update in Linux").arg(go.programTitle).arg(dialogUpdate.manualLinks)
-                } else {
-                    return qsTr('You are using an outdated version of our software.<br>
-                    Please download and install the latest version to continue using %1.<br><br>
-                    You can continue with the update or download and install the new version manually from<br><br>
-                    <a href="%2">%2</a>',
-                    "Message for force-update in Win/Mac").arg(go.programTitle).arg(go.landingPage)
-                }
-            } else {
-                if (go.goos=="linux") {
-                    return qsTr('A new version of Bridge is available.<br>
-                    Check <a href="%1">release notes</a> to learn what is new in %2.<br>
-                    Use your package manager to update or download and install the new version manually from<br><br>
-                    %3',
-                    "Message for update in Linux").arg("releaseNotes").arg(go.newversion).arg(dialogUpdate.manualLinks)
-                } else {
-                    return qsTr('A new version of Bridge is available.<br>
-                    Check <a href="%1">release notes</a> to learn what is new in %2.<br>
-                    You can continue with the update or download and install the new version manually from<br><br>
-                    <a href="%3">%3</a>',
-                    "Message for update in Win/Mac").arg("releaseNotes").arg(go.newversion).arg(go.landingPage)
-                }
-            }
-        }
-    }
-
-
-    Dialog {
-        id: dialogCredits
-        title: qsTr("Credits", "link to click on to view list of credited libraries")
-        Credits { }
-    }
-
-    DialogTLSCertInfo {
-        id: dialogTlsCert
-    }
-
-    Dialog {
-        id: dialogVersionInfo
-        property bool checkVersionOnClose : false
-        title: qsTr("Information about", "title of release notes page") + " v" + go.newversion
-        VersionInfo { }
-        onShow : {
-            // Hide information bar with old version
-            if (infoBar.state=="oldVersion") {
-                infoBar.state="upToDate"
-                dialogVersionInfo.checkVersionOnClose = true
-            }
-        }
-        onHide : {
-            // Reload current version based on online status
-            if (dialogVersionInfo.checkVersionOnClose) go.runCheckVersion(false)
-            dialogVersionInfo.checkVersionOnClose = false
-        }
-    }
-
-    DialogYesNo {
-        id: dialogGlobal
-        question : ""
-        answer   : ""
-        z: 100
-    }
-
-
-    // resize
-    MouseArea {
-        property int diff: 0
-        anchors {
-            bottom : parent.bottom
-            left   : parent.left
-            right  : parent.right
-        }
-        cursorShape: Qt.SizeVerCursor
-        height: Style.main.fontSize
-        onPressed: {
-            var globPos = mapToGlobal(mouse.x, mouse.y)
-            diff = root.height
-            diff -= globPos.y
-        }
-        onMouseYChanged : {
-            var globPos = mapToGlobal(mouse.x, mouse.y)
-            root.height =  Math.max(root.minimumHeight, globPos.y + diff)
-        }
-    }
-
-    function showAndRise(){
-        go.loadAccounts()
-        root.show()
-        root.raise()
-        if (!root.active) {
-            root.requestActivate()
-        }
-    }
-
-    // Toggle window
-    function toggle() {
-        go.loadAccounts()
-        if (root.visible) {
-            if (!root.active) {
-                root.raise()
-                root.requestActivate()
-            } else {
-                root.hide()
-            }
-        } else {
-            root.show()
-            root.raise()
-        }
-    }
-
-    onClosing: {
-        close.accepted = false
-        // NOTE: In order to make an initial accounts load
-        root.hide()
-        gui.closeMainWindow()
-    }
-}

internal/frontend/qml/BridgeUI/OutgoingNoEncPopup.qml

@@ -1,148 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Popup
-
-import QtQuick 2.8
-import QtQuick.Window 2.2
-import BridgeUI 1.0
-import ProtonUI 1.0
-
-Window {
-    id:root
-    width  : Style.info.width
-    height : Style.info.width/1.5
-    minimumWidth  : Style.info.width
-    minimumHeight : Style.info.width/1.5
-    maximumWidth  : Style.info.width
-    maximumHeight : Style.info.width/1.5
-    color   : Style.main.background
-    flags   : Qt.Window | Qt.Popup | Qt.FramelessWindowHint
-    visible : false
-    title   : ""
-    x: 10
-    y: 10
-    property string messageID: ""
-
-    // Drag and move
-    MouseArea {
-        property point diff: "0,0"
-        property QtObject window: root
-
-        anchors {
-            fill: parent
-        }
-
-        onPressed: {
-            diff = Qt.point(window.x, window.y)
-            var mousePos = mapToGlobal(mouse.x, mouse.y)
-            diff.x -= mousePos.x
-            diff.y -= mousePos.y
-        }
-
-        onPositionChanged: {
-            var currPos = mapToGlobal(mouse.x, mouse.y)
-            window.x = currPos.x + diff.x
-            window.y = currPos.y + diff.y
-        }
-    }
-
-    Column {
-        topPadding: Style.main.fontSize
-        spacing: (root.height - (description.height + cancel.height + countDown.height + Style.main.fontSize))/3
-        width: root.width
-
-        Text {
-            id: description
-            color                    : Style.main.text
-            font.pointSize           : Style.main.fontSize*Style.pt/1.2
-            anchors.horizontalCenter : parent.horizontalCenter
-            horizontalAlignment      : Text.AlignHCenter
-            width                    : root.width - 2*Style.main.leftMargin
-            wrapMode                 : Text.Wrap
-            textFormat               : Text.RichText
-
-            text: qsTr("The message with subject %1 has one or more recipients with no encryption settings. If you do not want to send this email click the cancel button.").arg("<h3>"+root.title+"</h3>")
-        }
-
-        Row {
-            spacing : Style.dialog.spacing
-            anchors.horizontalCenter: parent.horizontalCenter
-
-            ButtonRounded {
-                id: sendAnyway
-                onClicked : root.hide(true)
-                height: Style.main.fontSize*2
-                //width: Style.dialog.widthButton*1.3
-                fa_icon: Style.fa.send
-                text: qsTr("Send now", "Confirmation of sending unencrypted email.")
-            }
-
-            ButtonRounded {
-                id: cancel
-                onClicked : root.hide(false)
-                height: Style.main.fontSize*2
-                //width: Style.dialog.widthButton*1.3
-                fa_icon: Style.fa.times
-                text: qsTr("Cancel", "Cancel the sending of current email")
-            }
-        }
-
-        Text {
-            id: countDown
-            color: Style.main.text
-            font.pointSize           : Style.main.fontSize*Style.pt/1.2
-            anchors.horizontalCenter : parent.horizontalCenter
-            horizontalAlignment      : Text.AlignHCenter
-            width                    : root.width - 2*Style.main.leftMargin
-            wrapMode                 : Text.Wrap
-            textFormat               : Text.RichText
-
-            text: qsTr("This popup will close after %1 and email will be sent unless you click the cancel button.").arg( "<b>" + timer.secLeft + "s</b>")
-        }
-    }
-
-    Timer {
-        id: timer
-        property var secLeft: 0
-        interval: 1000 //ms
-        repeat: true
-        onTriggered: {
-            secLeft--
-            if (secLeft <= 0) {
-                root.hide(true)
-            }
-        }
-    }
-
-    function hide(shouldSend) {
-        root.visible = false
-        timer.stop()
-        go.saveOutgoingNoEncPopupCoord(root.x, root.y)
-        go.shouldSendAnswer(root.messageID, shouldSend)
-    }
-
-    function show(messageID, subject) {
-        root.messageID = messageID
-        root.title = subject
-        root.visible = true
-        timer.secLeft = 10
-        timer.start()
-    }
-}
-
-

internal/frontend/qml/BridgeUI/SettingsView.qml

@@ -1,180 +0,0 @@
-// Copyright (c) 2020 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// List the settings
-
-import QtQuick 2.8
-import BridgeUI 1.0
-import ProtonUI 1.0
-import QtQuick.Controls 2.4
-
-Item {
-    id: root
-
-    // must have wrapper
-    ScrollView {
-        id: wrapper
-        anchors.centerIn: parent
-        width: parent.width
-        height: parent.height
-        clip: true
-        background: Rectangle {
-            color: Style.main.background
-        }
-
-        // content
-        Column {
-            anchors.left : parent.left
-
-            ButtonIconText {
-                id: cacheClear
-                text: qsTr("Clear Cache", "button to clear cache in settings")
-                leftIcon.text  : Style.fa.times
-                rightIcon {
-                    text : qsTr("Clear", "clickable link next to clear cache button in settings")
-                    color: Style.main.text
-                    font {
-                        pointSize : Style.settings.fontSize * Style.pt
-                        underline : true
-                    }
-                }
-                onClicked: {
-                    dialogGlobal.state="clearCache"
-                    dialogGlobal.show()
-                }
-            }
-
-            ButtonIconText {
-                id: cacheKeychain
-                text: qsTr("Clear Keychain", "button to clear keychain in settings")
-                leftIcon.text  : Style.fa.chain_broken
-                rightIcon {
-                    text : qsTr("Clear", "clickable link next to clear keychain button in settings")
-                    color: Style.main.text
-                    font {
-                        pointSize : Style.settings.fontSize * Style.pt
-                        underline : true
-                    }
-                }
-                onClicked: {
-                    dialogGlobal.state="clearChain"
-                    dialogGlobal.show()
-                }
-            }
-
-            ButtonIconText {
-                id: autoStart
-                text: qsTr("Automatically start Bridge", "label for toggle that activates and disables the automatic start")
-                leftIcon.text  : Style.fa.rocket
-                rightIcon {
-                    font.pointSize : Style.settings.toggleSize * Style.pt
-                    text  : go.isAutoStart!=false ? Style.fa.toggle_on  : Style.fa.toggle_off
-                    color : go.isAutoStart!=false ? Style.main.textBlue : Style.main.textDisabled
-                }
-                Accessible.description: (
-                    go.isAutoStart == false ?
-                    qsTr("Enable"  , "Click to enable the automatic start of Bridge") :
-                    qsTr("Disable" , "Click to disable the automatic start of Bridge")
-                ) + " " + text
-                onClicked: {
-                    go.toggleAutoStart()
-                }
-            }
-
-            ButtonIconText {
-                id: advancedSettings
-                property bool isAdvanced : !go.isDefaultPort
-                text: qsTr("Advanced settings", "button to open the advanced settings list in the settings page")
-                leftIcon.text  : Style.fa.cogs
-                rightIcon {
-                    font.pointSize : Style.settings.toggleSize * Style.pt
-                    text  : isAdvanced!=0 ? Style.fa.chevron_circle_up  : Style.fa.chevron_circle_right
-                    color : isAdvanced!=0 ? Style.main.textDisabled : Style.main.textBlue
-                }
-
-                Accessible.description: (
-                    isAdvanced ?
-                    qsTr("Hide", "Click to hide the advance settings") :
-                    qsTr("Show", "Click to show the advance settings")
-                ) + " " + text
-                onClicked: {
-                    isAdvanced = !isAdvanced
-                }
-            }
-
-            ButtonIconText {
-                id: changePort
-                visible: advancedSettings.isAdvanced
-                text: qsTr("Change IMAP & SMTP settings", "button to change IMAP and SMTP ports in settings")
-                leftIcon.text  : Style.fa.plug
-                rightIcon {
-                    text : qsTr("Change", "clickable link next to change ports button in settings")
-                    color: Style.main.text
-                    font {
-                        pointSize : Style.settings.fontSize * Style.pt
-                        underline : true
-                    }
-                }
-                onClicked: {
-                    dialogChangePort.show()
-                }
-            }
-
-            ButtonIconText {
-                id: reportNoEnc
-                text: qsTr("Notification of outgoing email without encryption", "Button to set whether to report or send an email without encryption")
-                visible: advancedSettings.isAdvanced
-                leftIcon.text  : Style.fa.ban
-                rightIcon {
-                    font.pointSize : Style.settings.toggleSize * Style.pt
-                    text  : go.isReportingOutgoingNoEnc ? Style.fa.toggle_on  : Style.fa.toggle_off
-                    color : go.isReportingOutgoingNoEnc ? Style.main.textBlue : Style.main.textDisabled
-                }
-                Accessible.description: (
-                    go.isReportingOutgoingNoEnc == 0 ?
-                    qsTr("Enable"  , "Click to report an email without encryption") :
-                    qsTr("Disable" , "Click to send without asking an email without encryption")
-                ) + " " + text
-                onClicked: {
-                    go.toggleIsReportingOutgoingNoEnc()
-                }
-            }
-
-            ButtonIconText {
-                id: allowProxy
-                visible: advancedSettings.isAdvanced
-                text: qsTr("Allow alternative routing", "label for toggle that allows and disallows using a proxy")
-                leftIcon.text  : Style.fa.rocket
-                rightIcon {
-                    font.pointSize : Style.settings.toggleSize * Style.pt
-                    text  : go.isProxyAllowed!=false ? Style.fa.toggle_on  : Style.fa.toggle_off
-                    color : go.isProxyAllowed!=false ? Style.main.textBlue : Style.main.textDisabled
-                }
-                Accessible.description: (
-                    go.isProxyAllowed == false ?
-                    qsTr("Enable"  , "Click to allow alternative routing") :
-                    qsTr("Disable" , "Click to disallow alternative routing")
-                ) + " " + text
-                onClicked: {
-                    dialogGlobal.state="toggleAllowProxy"
-                    dialogGlobal.show()
-                }
-            }
-
-        }
-    }
-}