chore: Trift Bridge 3.4.0 changelog.

Copy data rather than hold onto the locks while sync is ongoing. The
data in question does not change while the sync is ongoing and holding
on to the locks during a very long sync can create a deadlock with
due to some IMAP operation that needs to acquire one of those locks with
write access.

.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

@@ -5,42 +5,43 @@
 # Editor files
 .*.sw?
 *~
-
-# Compiled Object files, Static and Dynamic libs (Shared Objects)
-vendor
+.idea
+.vscode
 
 # Test files
 godog.test
 debug.test
 coverage.html
+gobinsec-cache*.yml
 
 # 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
-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
+cmd/Import-Export/deploy
+proton-bridge
+cmd/Desktop-Bridge/*.exe
+cmd/launcher/*.exe
 
-internal/frontend/rcc.cpp
-internal/frontend/rcc.qrc
-internal/frontend/rcc_cgo_*.go
-vendor-cache/
+# Jetbrains (CLion, Golang) cmake build dirs
+cmake-build-*/
 
-/main.go
+# Doxygen doc files
+_doc/
+
+# gRPC auto-generated C++ source files
+*.pb.cc
+*.pb.h

.gitlab-ci.yml

@@ -1,202 +1,245 @@
-image: gitlab.protontech.ch:4567/go/bridge-internal
+# 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/>.
+
+---
+image: gitlab.protontech.ch:4567/go/bridge-internal:test-go1.20
+
+variables:
+  GOPRIVATE: gitlab.protontech.ch
+  GOMAXPROCS: $(( ${CI_TAG_CPU} / 2 ))
 
 before_script:
-  - eval $(ssh-agent -s)
-  - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
-
-  - mkdir -p .cache/bin
-  - export PATH=$(pwd)/.cache/bin:$PATH
-  - export GOPATH="$CI_PROJECT_DIR/.cache"
-
-  - make install-dev-dependencies
-
-cache:
-  key: go-mod
-  paths:
-    - .cache
-  policy: pull
+  - apt update && apt-get -y install libsecret-1-dev
+  - git config --global url.https://gitlab-ci-token:${CI_JOB_TOKEN}@${CI_SERVER_HOST}.insteadOf https://${CI_SERVER_HOST}
 
 stages:
-  - cache
   - test
   - build
-  - mirror
 
-# Stage: CACHE
+.rules-branch-and-MR-manual:
+  rules:
+    - if: $CI_COMMIT_BRANCH ||  $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: manual
+      allow_failure: true
+    - when: never
 
-# This will ensure latest dependency versions and updates the cache for
-# all other following jobs which only pull the cache.
-cache-push:
-  stage: cache
-  only:
-    - branches
-  script:
-    - echo ""
+.rules-branch-manual-MR-and-devel-always:
+  rules:
+    - if: $CI_COMMIT_BRANCH == "devel" || $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: always
+      allow_failure: false
+    - if: $CI_COMMIT_BRANCH
+      when: manual
+      allow_failure: true
+    - when: never
+
+# ENV
+.env-windows:
+  before_script:
+    - export BRIDGE_SYNC_FORCE_MINIMUM_SPEC=1
+    - export GOROOT=/c/Go1.20/
+    - export PATH=$GOROOT/bin:$PATH
+    - export GOARCH=amd64
+    - export GOPATH=~/go1.20
+    - export GO111MODULE=on
+    - export PATH="${GOPATH}/bin:${PATH}"
+    - export MSYSTEM=
+    - export QT6DIR=/c/grrrQt/6.3.2/msvc2019_64
+    - export PATH=$PATH:${QT6DIR}/bin
+    - export PATH="/c/Program Files/Microsoft Visual Studio/2022/Community/Common7/IDE/CommonExtensions/Microsoft/CMake/CMake/bin:$PATH"
+    - $(git config --global -l | grep -o 'url.*gitlab.protontech.ch.*insteadof' | xargs -L 1 git config --global --unset &> /dev/null) || echo "nothing to remove"
+    - git config --global url.https://gitlab-ci-token:${CI_JOB_TOKEN}@${CI_SERVER_HOST}.insteadOf https://${CI_SERVER_HOST}
+    - git config --global safe.directory '*'
+    - git status --porcelain
+  cache: {}
+  tags:
+    - windows-bridge
+
+.env-darwin:
+  before_script:
+    - export BRIDGE_SYNC_FORCE_MINIMUM_SPEC=1
+    - export PATH=/usr/local/bin:$PATH
+    - export PATH=/usr/local/opt/git/bin:$PATH
+    - export PATH=/usr/local/opt/make/libexec/gnubin:$PATH
+    - export PATH=/usr/local/opt/gnu-sed/libexec/gnubin:$PATH
+    - export GOROOT=~/local/opt/go@1.20
+    - export PATH="${GOROOT}/bin:$PATH"
+    - export GOPATH=~/go1.20
+    - export PATH="${GOPATH}/bin:$PATH"
+    - export QT6DIR=/opt/Qt/6.3.2/macos
+    - export PATH="${QT6DIR}/bin:$PATH"
+    - uname -a
+  cache: {}
+  tags:
+    - macos-m1-bridge
+
+.env-linux-build:
+  image: gitlab.protontech.ch:4567/go/bridge-internal:build-go1.20-qt6.3.2
+  variables:
+    VCPKG_DEFAULT_BINARY_CACHE: ${CI_PROJECT_DIR}/.cache
   cache:
-    key: go-mod
+    key: linux-vcpkg
     paths:
       - .cache
+    when: 'always'
+  before_script:
+    - mkdir -p .cache/bin
+    - export BRIDGE_SYNC_FORCE_MINIMUM_SPEC=1
+    - export PATH=$(pwd)/.cache/bin:$PATH
+    - export GOPATH="$CI_PROJECT_DIR/.cache"
+    - export PATH=$PATH:$QT6DIR/bin
+    - $(git config --global -l | grep -o 'url.*gitlab.protontech.ch.*insteadof' | xargs -L 1 git config --global --unset &> /dev/null) || echo "nothing to remove"
+    - git config --global url.https://gitlab-ci-token:${CI_JOB_TOKEN}@${CI_SERVER_HOST}.insteadOf https://${CI_SERVER_HOST}
+  tags:
+    - large
 
 # Stage: TEST
 
 lint:
   stage: test
-  only:
-    - branches
+  extends:
+    - .rules-branch-manual-MR-and-devel-always
   script:
     - make lint
+  tags:
+    - medium
 
-test:
+.script-test:
   stage: test
-  only:
-    - branches
+  extends:
+    - .rules-branch-manual-MR-and-devel-always
   script:
-    - apt-get -y install pass gnupg rng-tools
-    # First have enough of entropy (cat /proc/sys/kernel/random/entropy_avail).
-    - rngd -r /dev/urandom
-    # Generate GPG key without password for the password manager.
-    - gpg --batch --yes --passphrase '' --quick-generate-key 'tester@example.com'
-    # Use the last created GPG ID for the password manager.
-    - pass init `gpg --list-keys | grep "^   " | tail -1 | tr -d '[:space:]'`
-    # Then finally run the tests
     - make test
+  artifacts:
+    paths:
+      - coverage/**
+
+test-linux:
+  extends:
+    - .script-test
+  tags:
+    - large
+
+test-linux-race:
+  extends:
+    - test-linux
+    - .rules-branch-and-MR-manual
+  script:
+    - make test-race
 
 test-integration:
-  stage: test
-  only:
-    - branches
+  extends:
+    - test-linux
   script:
-    - VERBOSITY=debug make -C test test
+    - make test-integration
 
-dependency-updates:
-  stage: test
+test-integration-race:
+  extends:
+    - test-integration
+    - .rules-branch-and-MR-manual
   script:
-    - make updates
+    - make test-integration-race
+
+test-windows:
+  extends:
+    - .env-windows
+    - .script-test
+    - .rules-branch-and-MR-manual
+
+test-darwin:
+  extends:
+    - .env-darwin
+    - .script-test
+
+test-coverage:
+  stage: test
+  extends:
+    - .rules-branch-manual-MR-and-devel-always
+  script:
+    - ./utils/coverage.sh
+  coverage: '/total:.*\(statements\).*\d+\.\d+%/'
+  needs:
+    - test-linux
+    #- test-windows
+    - test-darwin
+    - test-integration
+  tags:
+    - small
+  artifacts:
+    paths:
+      - coverage*
+      - coverage/**
+    when: 'always'
+    reports:
+      coverage_report:
+        coverage_format: cobertura
+        path: coverage.xml
 
 # Stage: BUILD
 
-.build-base:
+.script-build:
   stage: build
-  only:
-    - branches
+  needs: ["lint"]
+  extends:
+    - .rules-branch-and-MR-manual
   script:
     - make build
+    - git diff && git diff-index --quiet HEAD
+    - make vault-editor
   artifacts:
-    expire_in: 2 week
+    expire_in: 1 day
+    when: always
+    name: "$CI_JOB_NAME-$CI_COMMIT_SHORT_SHA"
+    paths:
+      - bridge_*.tgz
+      - vault-editor
 
 build-linux:
-  extends: .build-base
-  artifacts:
-    name: "bridge-linux-$CI_COMMIT_SHORT_SHA"
-    paths:
-      - bridge_*.tgz
+  extends:
+    - .script-build
+    - .env-linux-build
 
-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
-  before_script:
-    - eval $(ssh-agent -s)
-    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
-    - export PATH=/usr/local/bin:$PATH
-    - export PATH=/usr/local/opt/git/bin:$PATH
-    - export PATH=/usr/local/opt/make/libexec/gnubin:$PATH
-    - export PATH=/usr/local/opt/go@1.13/bin:$PATH
-    - export PATH=/usr/local/opt/gnu-sed/libexec/gnubin:$PATH
-    - export GOPATH=~/go
-    - export PATH=$GOPATH/bin:$PATH
-    - export CGO_CPPFLAGS='-Wno-error -Wno-nullability-completeness -Wno-expansion-to-defined -Wno-builtin-requires-header'
-  cache: {}
-  tags:
-    - macOS
+build-linux-qa:
+  extends:
+    - build-linux
+    - .rules-branch-manual-MR-and-devel-always
+  variables:
+    BUILD_TAGS: "build_qa"
 
 build-darwin:
-  extends: .build-darwin-base
-  artifacts:
-    name: "bridge-darwin-$CI_COMMIT_SHORT_SHA"
-    paths:
-      - bridge_*.tgz
+  extends:
+    - .script-build
+    - .env-darwin
 
-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
+build-darwin-qa:
+  extends:
+    - build-darwin
   variables:
-    DOCKER_HOST: tcp://docker:2375
+    BUILD_TAGS: "build_qa"
 
 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:
-      - bridge_*.tgz
+  extends:
+    - .script-build
+    - .env-windows
 
-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
+build-windows-qa:
+  extends:
+    - build-windows
+  variables:
+    BUILD_TAGS: "build_qa"
 
-# Stage: MIRROR
-
-mirror-repo:
-  stage: mirror
-  only:
-    refs:
-      - master
-  script:
-    - |
-      cat <<EOF > ~/.ssh/config
-      Host github.com
-          Hostname ssh.github.com
-          User git
-          Port 443
-          ProxyCommand connect-proxy -H $http_proxy %h %p
-      EOF
-    - ssh-keyscan -t rsa ${CI_SERVER_HOST} > ~/.ssh/known_hosts
-    - |
-      cat <<EOF >> ~/.ssh/known_hosts
-      # ssh.github.com:443 SSH-2.0-babeld-2e9d163d
-      [ssh.github.com]:443 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==
-      EOF
-    - echo "$mirror_key" | tr -d '\r' | ssh-add - > /dev/null
-    - ssh-add -l
-    - git clone "$CI_REPOSITORY_URL" --branch master _REPO_CLONE;
-    - cd _REPO_CLONE
-    - git remote add public $mirror_url
-    - git push public master
-    # Pushing the latest tag from master history
-    - git push public "$(git describe --tags --abbrev=0 || echo master)"
+# TODO: PUT BACK ALL THE JOBS! JUST DID THIS FOR NOW TO GET CI WORKING AGAIN...

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "submodules/vcpkg"]
+	path = extern/vcpkg
+	url = https://github.com/Microsoft/vcpkg.git

.golangci.yml

@@ -1,25 +1,49 @@
+---
 run:
   timeout: 10m
-  build-tags:
-    - nogui
   skip-dirs:
     - pkg/mime
+    - extern
 
 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
+    # Package comments.
+    - "package-comments: should have a package comment"
+    # Migration uses underscores to make versions clearer.
+    - "var-naming: don't use underscores in Go names"
+    - "ST1003: should not use underscores in Go names"
 
   exclude-rules:
     - path: _test\.go
       linters:
         - dupl
-        - funlen
         - gochecknoglobals
         - gochecknoinits
         - gosec
+        - goconst
+        - dogsled
+    - path: test
+      linters:
+        - dupl
+        - gochecknoglobals
+        - gochecknoinits
+        - gosec
+        - goconst
+        - dogsled
+    - path: utils/smtp-send
+      linters:
+        - dupl
+        - gochecknoglobals
+        - gochecknoinits
+        - gosec
+        - goconst
+        - dogsled
 
 linters-settings:
   godox:
@@ -30,43 +54,78 @@ 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]
     - gosimple          # Linter for Go source code that specializes in simplifying a code [fast: true, auto-fix: false]
     - govet             # Vet examines Go source code and reports suspicious constructs, such as Printf calls whose arguments do not align with the format string [fast: true, auto-fix: false]
     - ineffassign       # Detects when assignments to existing variables are not used [fast: true, auto-fix: false]
     - staticcheck       # Staticcheck is a go vet on steroids, applying a ton of static analysis checks [fast: true, auto-fix: false]
-    - structcheck       # Finds unused struct fields [fast: true, auto-fix: false]
     - typecheck         # Like the front-end of a Go compiler, parses and type-checks Go code [fast: true, auto-fix: false]
     - unused            # Checks Go code for unused constants, variables, functions and types [fast: false, auto-fix: false]
-    - varcheck          # Finds unused global variables and constants [fast: true, auto-fix: false]
     - bodyclose         # checks whether HTTP response body is closed successfully [fast: true, auto-fix: false]
-    - depguard          # Go linter that checks if package imports are in a list of acceptable packages [fast: true, auto-fix: false]
+    #- depguard          # Go linter that checks if package imports are in a list of acceptable packages [fast: true, auto-fix: false]
     - dogsled           # Checks assignments with too many blank identifiers (e.g. x, _, _, _, := f()) [fast: true, auto-fix: false]
     - dupl              # Tool for code clone detection [fast: true, auto-fix: false]
-    - 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]
     - godox             # Tool for detection of FIXME, TODO and other comment keywords [fast: true, auto-fix: false]
     - gofmt             # Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification [fast: true, auto-fix: true]
     - 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]
+
+    # Deprecated:
+    # - structcheck       # Finds unused struct fields [fast: true, auto-fix: false] deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.
+    # - deadcode          # Finds unused code [fast: true, auto-fix: false] deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.
+    # - varcheck          # Finds unused global variables and constants [fast: true, auto-fix: false] deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.

BUILDS.md

@@ -1,25 +1,33 @@
-# Building ProtonMail Bridge and Import-Export app
+# Building Proton Mail Bridge
 
 ## Prerequisites
-* Go 1.13
+* 64-bit OS:
+    - the go-rfc5322 module cannot currently be compiled for 32-bit OSes
+* Go 1.20
 * 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/)
-* GCC (linux, windows) or Xcode (macOS)
-* Windres (windows)
-* libglvnd and libsecret development files (linux)
+  - For Windows, it is recommended to use MinGW 64bit shell from [MSYS2](https://www.msys2.org/)
+* GCC (Linux), msvc (Windows) or Xcode (macOS)
+* Windres (Windows)
+* libglvnd and libsecret development files (Linux)
+* pkg-config (Linux)
+* cmake, ninja-build and Qt 6 are required to build the graphical user interface. On Linux, 
+the Mesa OpenGL development files are also needed.
 
 To enable the sending of crash reports using Sentry please set the
-`main.DSNSentry` value with the client key of your sentry project before build.
+`DSN_SENTRY` environment variable with the client key of your sentry project before build.
 Otherwise, the sending of crash reports will be disabled.
 
 ## Build
-* for Windows please unset the `MSYSTEM` variable
+In order to build Bridge app with Qt interface we are using
+[Qt 6.3](https://doc.qt.io/qt-6/gettingstarted.html).
+
+Please note that qmake path must be in your `PATH` to ensure Qt to be found.
+Also, before you start build **on Windows**, please unset the `MSYSTEM` variable
 
 ```bash
 export MSYSTEM=
 ```
 
-
 ### Build Bridge
 * in project root run
 
@@ -32,18 +40,29 @@ 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 Import-Export
-* in project root run
+#### Build Bridge without GUI
+* If you need to build bridge without Qt dependencies, you can do so by running
 
 ```bash
-make build-ie
+make build-nogui
 ```
 
-* The result will be stored in `./cmd/Import-Export/deploy/${GOOS}/`
-    * for `linux`, the binary will have the name of the project directory (e.g `proton-bridge`)
-    * 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`)
+* To launch Bridge without GUI, you can invoke the `bridge` executable with one the following command-line switches:
+  * `--noninteractive` or `-n` to start Bridge without any interface (i.e., there is no way to add or remove client, get bridge password, etc.)
+  * `--cli` or `-c` to start Bridge with an interactive terminal interface.
+* NOTE: You still need to set up a supported keychain on your system.
 
+## 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: 

CONTRIBUTING.md

@@ -2,8 +2,7 @@
 
 By making a contribution to this project:
 
-1.  I assign any and all copyright related to the contribution to
-    Proton Technologies AG;
+1.  I assign any and all copyright related to the contribution to Proton AG;
 2.  I certify that the contribution was created in whole by me;
 3.  I understand and agree that this project and the contribution are public
     and that a record of the contribution (including all personal information I

COPYING.md

@@ -1,73 +0,0 @@
-# Copying
-Copyright (c) 2020 Proton Technologies AG
-
-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.
-
-
-# Dependencies
-ProtonMail Bridge app includes the following libraries from Proton Technologies AG:
-
-* [GopenPGP library](https://gopenpgp.org/) | The [MIT License](https://github.com/ProtonMail/gopenpgp/blob/master/LICENSE).
-
-ProtonMail Bridge includes the following 3rd party software:
-
-* [The Go Project libraries](https://golang.org/project/) | Available under [BSD license](https://golang.org/LICENSE)
-* [Qt Go binding](https://github.com/therecipe/qt)        | Available under [LGPLv3 license](https://github.com/therecipe/qt/blob/master/LICENSE)
-* [Qt](https://www.qt.io/)                                | Available under [multiple licences](https://www.qt.io/licensing)
-* [Font Awesome 4.7.0](https://fontawesome.com/v4.7.0/)   | Available under [multiple licenses](https://fontawesome.com/v4.7.0/license/)
-
-* [notificator](https://github.com/0xAX/notificator)                        | Available under [license](https://github.com/0xAX/notificator/blob/master/LICENSE)
-* [ishell](https://github.com/abiosoft/ishell)                              | Available under [license](https://github.com/abiosoft/ishell/blob/master/LICENSE)
-* [readline](https://github.com/abiosoft/readline)                          | Available under [license](https://github.com/abiosoft/readline/blob/master/LICENSE)
-* [singleinstance](https://github.com/allan-simon/go-singleinstance)        | Available under [license](https://github.com/allan-simon/go-singleinstance/blob/master/LICENSE)
-* [cascadia](https://github.com/andybalholm/cascadia)                       | Available under [license](https://github.com/andybalholm/cascadia/blob/master/LICENSE)
-* [gocertifi](https://github.com/certifi/gocertifi)                         | Available under [license](https://github.com/certifi/gocertifi/blob/master/LICENSE)
-* [logex](https://github.com/chzyer/logex)                                  | Available under [license](https://github.com/chzyer/logex/blob/master/LICENSE)
-* [test](https://github.com/chzyer/test)                                    | Available under [license](https://github.com/chzyer/test/blob/master/LICENSE)
-* [godog](https://github.com/cucumber/godog)                                | Available under [license](https://github.com/cucumber/godog/blob/master/LICENSE)
-* [wincred](https://github.com/danieljoos/wincred)                          | Available under [license](https://github.com/danieljoos/wincred/blob/master/LICENSE)
-* [credential-helpers](https://github.com/docker/docker-credential-helpers) | Available under [license](https://github.com/docker/docker-credential-helpers/blob/master/LICENSE)
-* [imap](https://github.com/emersion/go-imap)                               | Available under [license](https://github.com/emersion/go-imap/blob/master/LICENSE)
-* [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)
-* [vcard](https://github.com/emersion/go-vcard)                             | Available under [license](https://github.com/emersion/go-vcard/blob/master/LICENSE)
-* [color](https://github.com/fatih/color)                                   | Available under [license](https://github.com/fatih/color/blob/master/LICENSE.md)
-* [shlex](https://github.com/flynn-archive/go-shlex)                        | Available under [license](https://github.com/flynn-archive/go-shlex/blob/master/COPYING)
-* [raven](https://github.com/getsentry/raven-go)                            | Available under [license](https://github.com/getsentry/raven-go/blob/master/LICENSE)
-* [resty](https://github.com/go-resty/resty)                                | Available under [license](https://github.com/go-resty/resty/blob/master/LICENSE)
-* [mock](https://github.com/golang/mock)                                    | Available under [license](https://github.com/golang/mock/blob/master/LICENSE)
-* [cmp](https://github.com/google/go-cmp)                                   | Available under [license](https://github.com/google/go-cmp/blob/master/LICENSE)
-* [gopherjs](https://github.com/gopherjs/gopherjs)                          | Available under [license](https://github.com/gopherjs/gopherjs/blob/master/LICENSE)
-* [multierror](https://github.com/hashicorp/go-multierror)                  | Available under [license](https://github.com/hashicorp/go-multierror/blob/master/LICENSE)
-* [bcrypt](https://github.com/jameskeane/bcrypt)                            | Available under [license](https://github.com/jameskeane/bcrypt/blob/master/LICENSE)
-* [html2text](https://github.com/jaytaylor/html2text)                       | Available under [license](https://github.com/jaytaylor/html2text/blob/master/LICENSE)
-* [enmime](https://github.com/jhillyerd/enmime)                             | Available under [license](https://github.com/jhillyerd/enmime/blob/master/LICENSE)
-* [osext](https://github.com/kardianos/osext)                               | Available under [license](https://github.com/kardianos/osext/blob/master/LICENSE)
-* [keychain](https://github.com/keybase/go-keychain)                        | Available under [license](https://github.com/keybase/go-keychain/blob/master/LICENSE)
-* [aurora](https://github.com/logrusorgru/aurora)                           | Available under [license](https://github.com/logrusorgru/aurora/blob/master/LICENSE)
-* [dns](https://github.com/miekg/dns)                                       | Available under [license](https://github.com/miekg/dns/blob/master/LICENSE)
-* [uuid](https://github.com/myesui/uuid)                                    | Available under [license](https://github.com/myesui/uuid/blob/master/LICENSE)
-* [jsondiff](https://github.com/nsf/jsondiff)                               | Available under [license](https://github.com/nsf/jsondiff/blob/master/LICENSE)
-* [logrus](https://github.com/sirupsen/logrus)                              | Available under [license](https://github.com/sirupsen/logrus/blob/master/LICENSE)
-* [golang](https://github.com/skratchdot/open-golang)                       | Available under [license](https://github.com/skratchdot/open-golang/blob/master/LICENSE)
-* [testify](https://github.com/stretchr/testify)                            | Available under [license](https://github.com/stretchr/testify/blob/master/LICENSE)
-* [uuid](https://github.com/twinj/uuid)                                     | Available under [license](https://github.com/twinj/uuid/blob/master/LICENSE)
-* [cli](https://github.com/urfave/cli)                                      | Available under [license](https://github.com/urfave/cli/blob/master/LICENSE)
-
-* [BBolt](https://pkg.go.dev/go.etcd.io/bbolt/?tab=doc) | Available under [license](https://pkg.go.dev/go.etcd.io/bbolt?tab=licenses#LICENSE)
-* [testify.v1](https://gopkg.in/stretchr/testify.v1)    | Available under [license](https://github.com/stretchr/testify/blob/master/LICENSE)

COPYING_NOTES.md

@@ -0,0 +1,136 @@
+# Copying
+Copyright (c) 2022 Proton AG
+
+Proton Mail 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.
+
+Proton Mail 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
+Proton Mail Bridge. If not, see https://www.gnu.org/licenses.
+
+
+# Dependencies
+Proton Mail Bridge includes the following 3rd party software:
+
+* [The Go Project libraries](https://golang.org/project/) | Available under [BSD license](https://golang.org/LICENSE)
+* [Qt](https://www.qt.io/)                                | Available under [multiple licences](https://www.qt.io/licensing)
+
+<!-- START AUTOGEN -->
+* [notificator](https://github.com/0xAX/notificator) available under [license](https://github.com/0xAX/notificator/blob/master/LICENSE) 
+* [semver](https://github.com/Masterminds/semver/v3) available under [license](https://github.com/Masterminds/semver/v3/blob/master/LICENSE) 
+* [gluon](https://github.com/ProtonMail/gluon) available under [license](https://github.com/ProtonMail/gluon/blob/master/LICENSE) 
+* [go-autostart](https://github.com/ProtonMail/go-autostart) available under [license](https://github.com/ProtonMail/go-autostart/blob/master/LICENSE) 
+* [go-proton-api](https://github.com/ProtonMail/go-proton-api) available under [license](https://github.com/ProtonMail/go-proton-api/blob/master/LICENSE) 
+* [gopenpgp](https://github.com/ProtonMail/gopenpgp/v2) available under [license](https://github.com/ProtonMail/gopenpgp/v2/blob/master/LICENSE) 
+* [goquery](https://github.com/PuerkitoBio/goquery) available under [license](https://github.com/PuerkitoBio/goquery/blob/master/LICENSE) 
+* [ishell](https://github.com/abiosoft/ishell) available under [license](https://github.com/abiosoft/ishell/blob/master/LICENSE) 
+* [go-singleinstance](https://github.com/allan-simon/go-singleinstance) available under [license](https://github.com/allan-simon/go-singleinstance/blob/master/LICENSE) 
+* [juniper](https://github.com/bradenaw/juniper) available under [license](https://github.com/bradenaw/juniper/blob/master/LICENSE) 
+* [godog](https://github.com/cucumber/godog) available under [license](https://github.com/cucumber/godog/blob/master/LICENSE) 
+* [messages-go](https://github.com/cucumber/messages-go/v16) available under [license](https://github.com/cucumber/messages-go/v16/blob/master/LICENSE) 
+* [docker-credential-helpers](https://github.com/docker/docker-credential-helpers) available under [license](https://github.com/docker/docker-credential-helpers/blob/master/LICENSE) 
+* [go-sysinfo](https://github.com/elastic/go-sysinfo) available under [license](https://github.com/elastic/go-sysinfo/blob/master/LICENSE) 
+* [go-imap](https://github.com/emersion/go-imap) available under [license](https://github.com/emersion/go-imap/blob/master/LICENSE) 
+* [go-imap-id](https://github.com/emersion/go-imap-id) available under [license](https://github.com/emersion/go-imap-id/blob/master/LICENSE) 
+* [go-message](https://github.com/emersion/go-message) available under [license](https://github.com/emersion/go-message/blob/master/LICENSE) 
+* [go-sasl](https://github.com/emersion/go-sasl) available under [license](https://github.com/emersion/go-sasl/blob/master/LICENSE) 
+* [go-smtp](https://github.com/emersion/go-smtp) available under [license](https://github.com/emersion/go-smtp/blob/master/LICENSE) 
+* [color](https://github.com/fatih/color) available under [license](https://github.com/fatih/color/blob/master/LICENSE) 
+* [sentry-go](https://github.com/getsentry/sentry-go) available under [license](https://github.com/getsentry/sentry-go/blob/master/LICENSE) 
+* [resty](https://github.com/go-resty/resty/v2) available under [license](https://github.com/go-resty/resty/v2/blob/master/LICENSE) 
+* [dbus](https://github.com/godbus/dbus) available under [license](https://github.com/godbus/dbus/blob/master/LICENSE) 
+* [mock](https://github.com/golang/mock) available under [license](https://github.com/golang/mock/blob/master/LICENSE) 
+* [go-cmp](https://github.com/google/go-cmp) available under [license](https://github.com/google/go-cmp/blob/master/LICENSE) 
+* [uuid](https://github.com/google/uuid) available under [license](https://github.com/google/uuid/blob/master/LICENSE) 
+* [go-multierror](https://github.com/hashicorp/go-multierror) available under [license](https://github.com/hashicorp/go-multierror/blob/master/LICENSE) 
+* [html2text](https://github.com/jaytaylor/html2text) available under [license](https://github.com/jaytaylor/html2text/blob/master/LICENSE) 
+* [go-keychain](https://github.com/keybase/go-keychain) available under [license](https://github.com/keybase/go-keychain/blob/master/LICENSE) 
+* [dns](https://github.com/miekg/dns) available under [license](https://github.com/miekg/dns/blob/master/LICENSE) 
+* [memory](https://github.com/pbnjay/memory) available under [license](https://github.com/pbnjay/memory/blob/master/LICENSE) 
+* [errors](https://github.com/pkg/errors) available under [license](https://github.com/pkg/errors/blob/master/LICENSE) 
+* [profile](https://github.com/pkg/profile) available under [license](https://github.com/pkg/profile/blob/master/LICENSE) 
+* [logrus](https://github.com/sirupsen/logrus) available under [license](https://github.com/sirupsen/logrus/blob/master/LICENSE) 
+* [testify](https://github.com/stretchr/testify) available under [license](https://github.com/stretchr/testify/blob/master/LICENSE) 
+* [cli](https://github.com/urfave/cli/v2) available under [license](https://github.com/urfave/cli/v2/blob/master/LICENSE) 
+* [msgpack](https://github.com/vmihailenco/msgpack/v5) available under [license](https://github.com/vmihailenco/msgpack/v5/blob/master/LICENSE) 
+* [goleak](https://go.uber.org/goleak) available under [license](https://pkg.go.dev/go.uber.org/goleak?tab=licenses) 
+* [exp](https://golang.org/x/exp) available under [license](https://cs.opensource.google/go/x/exp/+/master:LICENSE) 
+* [net](https://golang.org/x/net) available under [license](https://cs.opensource.google/go/x/net/+/master:LICENSE) 
+* [sys](https://golang.org/x/sys) available under [license](https://cs.opensource.google/go/x/sys/+/master:LICENSE) 
+* [text](https://golang.org/x/text) available under [license](https://cs.opensource.google/go/x/text/+/master:LICENSE) 
+* [grpc](https://google.golang.org/grpc) available under [license](https://github.com/grpc/grpc-go/blob/master/LICENSE) 
+* [protobuf](https://google.golang.org/protobuf) available under [license](https://github.com/protocolbuffers/protobuf/blob/main/LICENSE) 
+* [plist](https://howett.net/plist) available under [license](https://github.com/DHowett/go-plist/blob/main/LICENSE) 
+* [bcrypt](https://github.com/ProtonMail/bcrypt) available under [license](https://github.com/ProtonMail/bcrypt/blob/master/LICENSE) 
+* [go-crypto](https://github.com/ProtonMail/go-crypto) available under [license](https://github.com/ProtonMail/go-crypto/blob/master/LICENSE) 
+* [go-mime](https://github.com/ProtonMail/go-mime) available under [license](https://github.com/ProtonMail/go-mime/blob/master/LICENSE) 
+* [go-srp](https://github.com/ProtonMail/go-srp) available under [license](https://github.com/ProtonMail/go-srp/blob/master/LICENSE) 
+* [readline](https://github.com/abiosoft/readline) available under [license](https://github.com/abiosoft/readline/blob/master/LICENSE) 
+* [cascadia](https://github.com/andybalholm/cascadia) available under [license](https://github.com/andybalholm/cascadia/blob/master/LICENSE) 
+* [sonic](https://github.com/bytedance/sonic) available under [license](https://github.com/bytedance/sonic/blob/master/LICENSE) 
+* [base64x](https://github.com/chenzhuoyu/base64x) available under [license](https://github.com/chenzhuoyu/base64x/blob/master/LICENSE) 
+* [test](https://github.com/chzyer/test) available under [license](https://github.com/chzyer/test/blob/master/LICENSE) 
+* [circl](https://github.com/cloudflare/circl) available under [license](https://github.com/cloudflare/circl/blob/master/LICENSE) 
+* [go-md2man](https://github.com/cpuguy83/go-md2man/v2) available under [license](https://github.com/cpuguy83/go-md2man/v2/blob/master/LICENSE) 
+* [saferith](https://github.com/cronokirby/saferith) available under [license](https://github.com/cronokirby/saferith/blob/master/LICENSE) 
+* [gherkin-go](https://github.com/cucumber/gherkin-go/v19) available under [license](https://github.com/cucumber/gherkin-go/v19/blob/master/LICENSE) 
+* [wincred](https://github.com/danieljoos/wincred) available under [license](https://github.com/danieljoos/wincred/blob/master/LICENSE) 
+* [go-spew](https://github.com/davecgh/go-spew) available under [license](https://github.com/davecgh/go-spew/blob/master/LICENSE) 
+* [go-windows](https://github.com/elastic/go-windows) available under [license](https://github.com/elastic/go-windows/blob/master/LICENSE) 
+* [go-textwrapper](https://github.com/emersion/go-textwrapper) available under [license](https://github.com/emersion/go-textwrapper/blob/master/LICENSE) 
+* [go-vcard](https://github.com/emersion/go-vcard) available under [license](https://github.com/emersion/go-vcard/blob/master/LICENSE) 
+* [fgprof](https://github.com/felixge/fgprof) available under [license](https://github.com/felixge/fgprof/blob/master/LICENSE) 
+* [go-shlex](https://github.com/flynn-archive/go-shlex) available under [license](https://github.com/flynn-archive/go-shlex/blob/master/LICENSE) 
+* [mimetype](https://github.com/gabriel-vasile/mimetype) available under [license](https://github.com/gabriel-vasile/mimetype/blob/master/LICENSE) 
+* [sse](https://github.com/gin-contrib/sse) available under [license](https://github.com/gin-contrib/sse/blob/master/LICENSE) 
+* [gin](https://github.com/gin-gonic/gin) available under [license](https://github.com/gin-gonic/gin/blob/master/LICENSE) 
+* [locales](https://github.com/go-playground/locales) available under [license](https://github.com/go-playground/locales/blob/master/LICENSE) 
+* [universal-translator](https://github.com/go-playground/universal-translator) available under [license](https://github.com/go-playground/universal-translator/blob/master/LICENSE) 
+* [validator](https://github.com/go-playground/validator/v10) available under [license](https://github.com/go-playground/validator/v10/blob/master/LICENSE) 
+* [go-json](https://github.com/goccy/go-json) available under [license](https://github.com/goccy/go-json/blob/master/LICENSE) 
+* [uuid](https://github.com/gofrs/uuid) available under [license](https://github.com/gofrs/uuid/blob/master/LICENSE) 
+* [protobuf](https://github.com/golang/protobuf) available under [license](https://github.com/golang/protobuf/blob/master/LICENSE) 
+* [pprof](https://github.com/google/pprof) available under [license](https://github.com/google/pprof/blob/master/LICENSE) 
+* [errwrap](https://github.com/hashicorp/errwrap) available under [license](https://github.com/hashicorp/errwrap/blob/master/LICENSE) 
+* [go-immutable-radix](https://github.com/hashicorp/go-immutable-radix) available under [license](https://github.com/hashicorp/go-immutable-radix/blob/master/LICENSE) 
+* [go-memdb](https://github.com/hashicorp/go-memdb) available under [license](https://github.com/hashicorp/go-memdb/blob/master/LICENSE) 
+* [golang-lru](https://github.com/hashicorp/golang-lru) available under [license](https://github.com/hashicorp/golang-lru/blob/master/LICENSE) 
+* [multierror](https://github.com/joeshaw/multierror) available under [license](https://github.com/joeshaw/multierror/blob/master/LICENSE) 
+* [go](https://github.com/json-iterator/go) available under [license](https://github.com/json-iterator/go/blob/master/LICENSE) 
+* [cpuid](https://github.com/klauspost/cpuid/v2) available under [license](https://github.com/klauspost/cpuid/v2/blob/master/LICENSE) 
+* [go-urn](https://github.com/leodido/go-urn) available under [license](https://github.com/leodido/go-urn/blob/master/LICENSE) 
+* [go-colorable](https://github.com/mattn/go-colorable) available under [license](https://github.com/mattn/go-colorable/blob/master/LICENSE) 
+* [go-isatty](https://github.com/mattn/go-isatty) available under [license](https://github.com/mattn/go-isatty/blob/master/LICENSE) 
+* [go-runewidth](https://github.com/mattn/go-runewidth) available under [license](https://github.com/mattn/go-runewidth/blob/master/LICENSE) 
+* [go-sqlite3](https://github.com/mattn/go-sqlite3) available under [license](https://github.com/mattn/go-sqlite3/blob/master/LICENSE) 
+* [concurrent](https://github.com/modern-go/concurrent) available under [license](https://github.com/modern-go/concurrent/blob/master/LICENSE) 
+* [reflect2](https://github.com/modern-go/reflect2) available under [license](https://github.com/modern-go/reflect2/blob/master/LICENSE) 
+* [tablewriter](https://github.com/olekukonko/tablewriter) available under [license](https://github.com/olekukonko/tablewriter/blob/master/LICENSE) 
+* [go-toml](https://github.com/pelletier/go-toml/v2) available under [license](https://github.com/pelletier/go-toml/v2/blob/master/LICENSE) 
+* [lz4](https://github.com/pierrec/lz4/v4) available under [license](https://github.com/pierrec/lz4/v4/blob/master/LICENSE) 
+* [go-difflib](https://github.com/pmezard/go-difflib) available under [license](https://github.com/pmezard/go-difflib/blob/master/LICENSE) 
+* [procfs](https://github.com/prometheus/procfs) available under [license](https://github.com/prometheus/procfs/blob/master/LICENSE) 
+* [uniseg](https://github.com/rivo/uniseg) available under [license](https://github.com/rivo/uniseg/blob/master/LICENSE) 
+* [blackfriday](https://github.com/russross/blackfriday/v2) available under [license](https://github.com/russross/blackfriday/v2/blob/master/LICENSE) 
+* [pflag](https://github.com/spf13/pflag) available under [license](https://github.com/spf13/pflag/blob/master/LICENSE) 
+* [bom](https://github.com/ssor/bom) available under [license](https://github.com/ssor/bom/blob/master/LICENSE) 
+* [golang-asm](https://github.com/twitchyliquid64/golang-asm) available under [license](https://github.com/twitchyliquid64/golang-asm/blob/master/LICENSE) 
+* [codec](https://github.com/ugorji/go/codec) available under [license](https://github.com/ugorji/go/codec/blob/master/LICENSE) 
+* [tagparser](https://github.com/vmihailenco/tagparser/v2) available under [license](https://github.com/vmihailenco/tagparser/v2/blob/master/LICENSE) 
+* [smetrics](https://github.com/xrash/smetrics) available under [license](https://github.com/xrash/smetrics/blob/master/LICENSE) 
+* [arch](https://golang.org/x/arch) available under [license](https://cs.opensource.google/go/x/arch/+/master:LICENSE) 
+* [crypto](https://golang.org/x/crypto) available under [license](https://cs.opensource.google/go/x/crypto/+/master:LICENSE) 
+* [mod](https://golang.org/x/mod) available under [license](https://cs.opensource.google/go/x/mod/+/master:LICENSE) 
+* [sync](https://golang.org/x/sync) available under [license](https://cs.opensource.google/go/x/sync/+/master:LICENSE) 
+* [tools](https://golang.org/x/tools) available under [license](https://cs.opensource.google/go/x/tools/+/master:LICENSE) 
+* [genproto](https://google.golang.org/genproto) available under [license](https://pkg.go.dev/google.golang.org/genproto?tab=licenses) 
+* [yaml](https://gopkg.in/yaml.v3) available under [license](https://github.com/go-yaml/yaml/blob/v3.0.1/LICENSE) 
+* [docker-credential-helpers](https://github.com/ProtonMail/docker-credential-helpers) available under [license](https://github.com/ProtonMail/docker-credential-helpers/blob/master/LICENSE) 
+* [go-message](https://github.com/ProtonMail/go-message) available under [license](https://github.com/ProtonMail/go-message/blob/master/LICENSE) 
+* [go-keychain](https://github.com/cuthix/go-keychain) available under [license](https://github.com/cuthix/go-keychain/blob/master/LICENSE) 
+<!-- END AUTOGEN -->

Makefile

@@ -5,141 +5,187 @@ export GO111MODULE=on
 GOOS:=$(shell go env GOOS)
 TARGET_CMD?=Desktop-Bridge
 TARGET_OS?=${GOOS}
+ROOT_DIR:=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
 
 ## Build
-.PHONY: build build-ie build-nogui build-ie-nogui check-has-go
+.PHONY: build build-gui build-nogui build-launcher versioner hasher
 
-BRIDGE_APP_VERSION?=1.4.0-git
-IE_APP_VERSION?=1.0.0-git
+# Keep version hardcoded so app build works also without Git repository.
+BRIDGE_APP_VERSION?=3.4.0+git
 APP_VERSION:=${BRIDGE_APP_VERSION}
-SRC_ICO:=logo.ico
+APP_FULL_NAME:=Proton Mail Bridge
+APP_VENDOR:=Proton AG
+SRC_ICO:=bridge.ico
 SRC_ICNS:=Bridge.icns
-SRC_SVG:=logo.svg
-TGT_ICNS:=Bridge.icns
-ifeq "${TARGET_CMD}" "Import-Export"
-    APP_VERSION:=${IE_APP_VERSION}
-    SRC_ICO:=ie.ico
-    SRC_ICNS:=ie.icns
-    SRC_SVG:=ie.svg
-    TGT_ICNS:=ImportExport.icns
-endif
-REVISION:=$(shell git rev-parse --short=10 HEAD)
+SRC_SVG:=bridge.svg
+EXE_NAME:=proton-bridge
+REVISION:=$(shell ./utils/get_revision.sh)
+TAG:=$(shell ./utils/get_revision.sh tag)
 BUILD_TIME:=$(shell date +%FT%T%z)
+MACOS_MIN_VERSION_ARM64=11.0
+MACOS_MIN_VERSION_AMD64=10.15
+BUILD_ENV?=dev
 
-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})
-ifneq "${BUILD_LDFLAGS}" ""
-    GO_LDFLAGS+= ${BUILD_LDFLAGS}
-endif
-GO_LDFLAGS:=-ldflags '${GO_LDFLAGS}'
-BUILD_FLAGS+= ${GO_LDFLAGS}
-BUILD_FLAGS_NOGUI+= ${GO_LDFLAGS}
+BUILD_FLAGS_LAUNCHER:=${BUILD_FLAGS}
+GO_LDFLAGS:=$(addprefix -X github.com/ProtonMail/proton-bridge/v3/internal/constants., Version=${APP_VERSION} Revision=${REVISION} Tag=${TAG} BuildTime=${BUILD_TIME})
+GO_LDFLAGS+=-X "github.com/ProtonMail/proton-bridge/v3/internal/constants.FullAppName=${APP_FULL_NAME}"
 
+ifneq "${DSN_SENTRY}" ""
+	GO_LDFLAGS+=-X github.com/ProtonMail/proton-bridge/v3/internal/constants.DSNSentry=${DSN_SENTRY}
+endif
+
+ifneq "${BUILD_ENV}" ""
+	GO_LDFLAGS+=-X github.com/ProtonMail/proton-bridge/v3/internal/constants.BuildEnv=${BUILD_ENV}
+endif
+
+GO_LDFLAGS_LAUNCHER:=${GO_LDFLAGS}
+ifeq "${TARGET_OS}" "windows"
+	#GO_LDFLAGS+=-H=windowsgui # Disabled so we can inspect trace logs from the bridge for debugging.
+	GO_LDFLAGS_LAUNCHER+=-H=windowsgui # Having this flag prevent a temporary cmd.exe window from popping when starting the application on Windows 11.
+endif
+
+BUILD_FLAGS+=-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 ${CURDIR})
+
+LAUNCHER_EXE:=proton-bridge
+BRIDGE_EXE=bridge
+BRIDGE_GUI_EXE_NAME=bridge-gui
+BRIDGE_GUI_EXE=${BRIDGE_GUI_EXE_NAME}
+LAUNCHER_PATH:=cmd/launcher
 
 ifeq "${TARGET_OS}" "windows"
-    EXE:=${EXE}.exe
-    ICO_FILES:=${SRC_ICO} icon.rc icon_windows.syso
+	BRIDGE_EXE:=${BRIDGE_EXE}.exe
+	BRIDGE_GUI_EXE:=${BRIDGE_GUI_EXE}.exe
+	LAUNCHER_EXE:=${LAUNCHER_EXE}.exe
+	RESOURCE_FILE:=resource.syso
 endif
 ifeq "${TARGET_OS}" "darwin"
-    DARWINAPP_CONTENTS:=${DEPLOY_DIR}/darwin/${EXE}.app/Contents
-    EXE:=${EXE}.app/Contents/MacOS/${EXE}
+	BRIDGE_EXE_NAME:=${BRIDGE_EXE}
+	BRIDGE_EXE:=${BRIDGE_EXE}.app
+	BRIDGE_GUI_EXE:=${BRIDGE_GUI_EXE}.app
+	EXE_BINARY_DARWIN:=Contents/MacOS/${BRIDGE_GUI_EXE_NAME}
+	EXE_TARGET_DARWIN:=${DEPLOY_DIR}/${TARGET_OS}/${LAUNCHER_EXE}.app
+	DARWINAPP_CONTENTS:=${EXE_TARGET_DARWIN}/Contents
 endif
-EXE_TARGET:=${DEPLOY_DIR}/${TARGET_OS}/${EXE}
+EXE_TARGET:=${DEPLOY_DIR}/${TARGET_OS}/${BRIDGE_EXE}
+EXE_GUI_TARGET:=${DEPLOY_DIR}/${TARGET_OS}/${BRIDGE_GUI_EXE}
 
 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: build-gui
 
-build: ${TGZ_TARGET}
-build-ie:
-	TARGET_CMD=Import-Export $(MAKE) build
+build-gui: ${TGZ_TARGET}
 
-build-nogui:
-	go build ${BUILD_FLAGS_NOGUI} -o ${TARGET_CMD} cmd/${TARGET_CMD}/main.go
+build-nogui: ${EXE_NAME} build-launcher
+ifeq "${TARGET_OS}" "darwin"
+	mv ${BRIDGE_EXE} ${BRIDGE_EXE_NAME}
+endif
 
-build-ie-nogui:
-	TARGET_CMD=Import-Export $(MAKE) build-nogui
+go-build=go build $(1) -o $(2) $(3)
+go-build-finalize=${go-build}
+ifeq "${GOOS}-$(shell uname -m)" "darwin-arm64"
+	go-build-finalize= \
+		MACOSX_DEPLOYMENT_TARGET=${MACOS_MIN_VERSION_ARM64} CGO_ENABLED=1 CGO_CFLAGS="-mmacosx-version-min=${MACOS_MIN_VERSION_ARM64}" GOARCH=arm64 $(call go-build,$(1),$(2)_arm,$(3)) && \
+		MACOSX_DEPLOYMENT_TARGET=${MACOS_MIN_VERSION_AMD64} CGO_ENABLED=1 CGO_CFLAGS="-mmacosx-version-min=${MACOS_MIN_VERSION_AMD64}" GOARCH=amd64 $(call go-build,$(1),$(2)_amd,$(3)) && \
+		lipo -create -output $(2) $(2)_arm $(2)_amd && rm -f $(2)_arm $(2)_amd
+endif
+
+ifeq "${GOOS}" "windows"
+	go-build-finalize= \
+		$(if $(4),powershell Copy-Item ${ROOT_DIR}/${RESOURCE_FILE} ${4}  &&,) \
+		$(call go-build,$(1),$(2),$(3)) \
+		$(if $(4), && powershell Remove-Item ${4} -Force,)
+endif
+
+${EXE_NAME}: gofiles  ${RESOURCE_FILE}
+	$(call go-build-finalize,${BUILD_FLAGS},"${LAUNCHER_EXE}","./cmd/${TARGET_CMD}/","${ROOT_DIR}/cmd/${TARGET_CMD}/${RESOURCE_FILE}")
+	mv ${LAUNCHER_EXE} ${BRIDGE_EXE}
+
+build-launcher: ${RESOURCE_FILE}
+	$(call go-build-finalize,${BUILD_FLAGS_LAUNCHER},"${LAUNCHER_EXE}","${ROOT_DIR}/${LAUNCHER_PATH}/","${ROOT_DIR}/${LAUNCHER_PATH}/${RESOURCE_FILE}")
+
+versioner:
+	go build ${BUILD_FLAGS} -o versioner utils/versioner/main.go
+
+vault-editor:
+	$(call go-build-finalize,"-tags=debug","vault-editor","./utils/vault-editor/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}
+	tar -czvf $@ -C ${DEPLOY_DIR}/${TARGET_OS} .
 
-${DEPLOY_DIR}/linux: ${EXE_TARGET}
-	cp -pf ./internal/frontend/share/icons/${SRC_SVG} ${DEPLOY_DIR}/linux/logo.svg
+${DEPLOY_DIR}/linux: ${EXE_TARGET} build-launcher
+	cp -pf ./dist/${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/
+	mv ${LAUNCHER_EXE} ${DEPLOY_DIR}/linux/
 
-${DEPLOY_DIR}/darwin: ${EXE_TARGET}
-	cp ./internal/frontend/share/icons/${SRC_ICNS} ${DARWINAPP_CONTENTS}/Resources/${TGT_ICNS}
+${DEPLOY_DIR}/darwin: ${EXE_TARGET} build-launcher
+	mv ${EXE_GUI_TARGET} ${EXE_TARGET_DARWIN}
+	mv ${EXE_TARGET} ${DARWINAPP_CONTENTS}/MacOS/${BRIDGE_EXE_NAME}
+	perl -i -pe"s/>${BRIDGE_GUI_EXE_NAME}/>${LAUNCHER_EXE}/g" ${DARWINAPP_CONTENTS}/Info.plist
+	cp ./dist/${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}"
+	mv ${LAUNCHER_EXE}  ${DARWINAPP_CONTENTS}/MacOS/${LAUNCHER_EXE}
+	./utils/remove_non_relative_links_darwin.sh "${EXE_TARGET_DARWIN}/${EXE_BINARY_DARWIN}"
 
-${DEPLOY_DIR}/windows: ${EXE_TARGET}
-	cp ./internal/frontend/share/icons/${SRC_ICO} ${DEPLOY_DIR}/windows/logo.ico
-	cp LICENSE ${DEPLOY_DIR}/windows/
+${DEPLOY_DIR}/windows: ${EXE_TARGET} build-launcher
+	cp ./dist/${SRC_ICO} ${DEPLOY_DIR}/windows/logo.ico
+	cp LICENSE ${DEPLOY_DIR}/windows/LICENSE.txt
+	mv ${LAUNCHER_EXE} ${DEPLOY_DIR}/windows/$(notdir ${LAUNCHER_EXE})
+	# plugins are installed in a plugins folder while needs to be near the exe
+	cp -rf ${DEPLOY_DIR}/windows/plugins/* ${DEPLOY_DIR}/windows/.
+	rm -rf ${DEPLOY_DIR}/windows/plugins
 
-QT_BUILD_TARGET:=build desktop
-ifneq "${GOOS}" "${TARGET_OS}"
-  ifeq "${TARGET_OS}" "windows"
-    QT_BUILD_TARGET:=-docker build windows_64_shared
-  endif
-endif
-
-${EXE_TARGET}: check-has-go gofiles ${ICO_FILES} update-vendor
-	rm -rf deploy ${TARGET_OS} ${DEPLOY_DIR}
-	cp cmd/${TARGET_CMD}/main.go .
-	qtdeploy ${BUILD_FLAGS} ${QT_BUILD_TARGET}
-	mv deploy cmd/${TARGET_CMD}
-	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 $@ $<
-
-
-## Rules for therecipe/qt
-.PHONY: prepare-vendor update-vendor
-THERECIPE_ENV:=github.com/therecipe/env_${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}
-
-# 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)
-# we need to change the LINKCMD to something windowsy.
-LINKCMD:=ln -sf ${CURDIR}/vendor-cache/${THERECIPE_ENV} vendor/${THERECIPE_ENV}
-ifeq "${GOOS}" "windows"
-  WINDIR:=$(subst /c/,c:\\,${CURDIR})/vendor-cache/${THERECIPE_ENV}
-  LINKCMD:=cmd //c 'mklink $(subst /,\,vendor\${THERECIPE_ENV} ${WINDIR})'
-endif
-
-prepare-vendor:
-	go install -v -tags=no_env github.com/therecipe/qt/cmd/...
-	go mod vendor
-
-# update-vendor is PHONY because we need to make sure that we always have updated vendor
-update-vendor: vendor-cache/${THERECIPE_ENV} prepare-vendor
-	${LINKCMD}
+${EXE_TARGET}: check-build-essentials ${EXE_NAME}
+	cd internal/frontend/bridge-gui/bridge-gui && \
+		BRIDGE_APP_FULL_NAME="${APP_FULL_NAME}" \
+		BRIDGE_VENDOR="${APP_VENDOR}" \
+		BRIDGE_APP_VERSION=${APP_VERSION} \
+		BRIDGE_REVISION=${REVISION} \
+		BRIDGE_TAG=${TAG} \
+		BRIDGE_DSN_SENTRY=${DSN_SENTRY} \
+ 		BRIDGE_BUILD_TIME=${BUILD_TIME} \
+		BRIDGE_GUI_BUILD_CONFIG=Release \
+		BRIDGE_BUILD_ENV=${BUILD_ENV} \
+		BRIDGE_INSTALL_PATH=${ROOT_DIR}/${DEPLOY_DIR}/${GOOS} \
+		./build.sh install
+	mv "${ROOT_DIR}/${BRIDGE_EXE}" "$(ROOT_DIR)/${EXE_TARGET}"
 
+WINDRES_YEAR:=$(shell date +%Y)
+APP_VERSION_COMMA:=$(shell echo "${APP_VERSION}" | sed -e 's/[^0-9,.]*//g' -e 's/\./,/g')
+${RESOURCE_FILE}: ./dist/info.rc ./dist/${SRC_ICO} .FORCE
+	rm -f ./*.syso
+	windres --target=pe-x86-64 \
+		-I ./internal/frontend/share/ \
+		-D ICO_FILE=${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 ./${RESOURCE_FILE} $<
 
 ## 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:="v1.52.2"
 LINTSRC:="https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh"
 
 install-dev-dependencies: install-devel-tools install-linter install-go-mod-outdated
@@ -153,13 +199,29 @@ install-linter: check-has-go
 	curl -sfL $(LINTSRC) | sh -s -- -b $(shell go env GOPATH)/bin $(LINTVER)
 
 install-go-mod-outdated:
-	which go-mod-outdated || go get -u github.com/psampaz/go-mod-outdated
+	which go-mod-outdated || go install github.com/psampaz/go-mod-outdated@latest
 
+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 check-build-essentials 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)
+	go version
+
+
+check_is_installed=if ! which $(1) > /dev/null; then echo "Please install $(1)"; exit 1; fi
+check-build-essentials:
+	@$(call check_is_installed,zip)
+	@$(call check_is_installed,unzip)
+	@$(call check_is_installed,tar)
+	@$(call check_is_installed,curl)
+ifneq "${GOOS}" "windows"
+	@$(call check_is_installed,cmake)
+	@$(call check_is_installed,ninja)
+endif
 
 add-license:
 	./utils/missing_license.sh add
@@ -167,24 +229,34 @@ add-license:
 change-copyright-year:
 	./utils/missing_license.sh change-year
 
+GOCOVERAGE=-covermode=count -coverpkg=github.com/ProtonMail/proton-bridge/v3/internal/...,github.com/ProtonMail/proton-bridge/v3/pkg/...,
+GOCOVERDIR=-args -test.gocoverdir=$$PWD/coverage
+
 test: gofiles
-	@# Listing packages manually to not run Qt folder (which needs to run qtsetup first) and integration tests.
-	go test -coverprofile=/tmp/coverage.out -run=${TESTRUN} \
-		./internal/api/... \
-		./internal/bridge/... \
-		./internal/events/... \
-		./internal/frontend/autoconfig/... \
-		./internal/frontend/cli/... \
-		./internal/imap/... \
-		./internal/metrics/... \
-		./internal/importexport/... \
-		./internal/preferences/... \
-		./internal/smtp/... \
-		./internal/store/... \
-		./internal/transfer/... \
-		./internal/updates/... \
-		./internal/users/... \
-		./pkg/...
+	mkdir -p coverage/unit-${GOOS}
+	go test \
+		-v -timeout=20m -p=1 -count=1 \
+		${GOCOVERAGE} \
+		-run=${TESTRUN} ./internal/... ./pkg/... \
+		${GOCOVERDIR}/unit-${GOOS}
+
+test-race: gofiles
+	go test -v -timeout=40m -p=1 -count=1 -race -failfast -run=${TESTRUN} ./internal/... ./pkg/...
+
+test-integration: gofiles
+	mkdir -p coverage/integration
+	go test \
+		-v -timeout=60m -p=1 -count=1 \
+		${GOCOVERAGE} \
+		github.com/ProtonMail/proton-bridge/v3/tests \
+		${GOCOVERDIR}/integration
+
+
+test-integration-debug: gofiles
+	dlv test github.com/ProtonMail/proton-bridge/v3/tests -- -test.v -test.timeout=10m -test.parallel=1 -test.count=1
+
+test-integration-race: gofiles
+	go test -v -timeout=60m -p=1 -count=1 -race -failfast github.com/ProtonMail/proton-bridge/v3/tests
 
 bench:
 	go test -run '^$$' -bench=. -memprofile bench_mem.pprof -cpuprofile bench_cpu.pprof ./internal/store
@@ -195,21 +267,38 @@ 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
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/v3/internal/bridge TLSReporter,ProxyController,Autostarter > tmp
+	mv tmp internal/bridge/mocks/mocks.go
+	mockgen --package mocks github.com/ProtonMail/gluon/async PanicHandler > internal/bridge/mocks/async_mocks.go
+	mockgen --package mocks github.com/ProtonMail/gluon/reporter Reporter > internal/bridge/mocks/gluon_mocks.go
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/v3/internal/updater Downloader,Installer > internal/updater/mocks/mocks.go
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/v3/internal/telemetry HeartbeatManager > internal/telemetry/mocks/mocks.go
+	cp internal/telemetry/mocks/mocks.go internal/bridge/mocks/telemetry_mocks.go
+	mockgen --package mocks github.com/ProtonMail/proton-bridge/v3/internal/user MessageDownloader > internal/user/mocks/mocks.go
 
-lint: lint-golang lint-license
+lint: gofiles lint-golang lint-license lint-dependencies lint-changelog
 
 lint-license:
 	./utils/missing_license.sh check
 
+lint-dependencies:
+	./utils/dependency_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 ./...
 
+gobinsec: gobinsec-cache.yml build
+	gobinsec -wait -cache -config utils/gobinsec_conf.yml ${EXE_TARGET} ${DEPLOY_DIR}/${TARGET_OS}/${LAUNCHER_EXE}
+
+gobinsec-cache.yml:
+	./utils/gobinsec_update.sh
+	cp ./utils/gobinsec_update/gobinsec-cache-valid.yml ./gobinsec-cache.yml
+
 updates: install-go-mod-outdated
 	# Uncomment the "-ci" to fail the job if something can be updated.
 	go list -u -m -json all | go-mod-outdated -update -direct #-ci
@@ -217,67 +306,92 @@ updates: install-go-mod-outdated
 doc:
 	godoc -http=:6060
 
+release-notes: release-notes/bridge_stable.html release-notes/bridge_early.html utils/release_notes.sh
+
+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-cli run-noninteractive run-debug run-gui-tester clean-vendor clean-frontend-qt clean-frontend-qt-common clean
 
-VERBOSITY?=debug-client
-RUN_FLAGS:=-m -l=${VERBOSITY}
+LOG?=debug
+LOG_IMAP?=client # client/server/all, or empty to turn it off
+LOG_SMTP?=--log-smtp # empty to turn it off
+RUN_FLAGS?=-l=${LOG} --log-imap=${LOG_IMAP} ${LOG_SMTP}
 
-run: run-nogui-cli
+run: run-qt
 
-run-qt: ${EXE_TARGET}
-	PROTONMAIL_ENV=dev ./$< ${RUN_FLAGS} | tee last.log
-run-qt-cli: ${EXE_TARGET}
-	PROTONMAIL_ENV=dev ./$< ${RUN_FLAGS} -c
+run-cli: run-nogui
 
-run-nogui: clean-vendor gofiles
-	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS_NOGUI} cmd/${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 ${RUN_FLAGS} -c
+run-noninteractive: build-nogui clean-vendor gofiles
+	PROTONMAIL_ENV=dev ./${LAUNCHER_EXE} ${RUN_FLAGS} -n
+
+run-qt: build-gui
+ifeq "${TARGET_OS}" "darwin"
+	PROTONMAIL_ENV=dev ${DARWINAPP_CONTENTS}/MacOS/${LAUNCHER_EXE}  ${RUN_FLAGS}
+else
+	PROTONMAIL_ENV=dev ./${DEPLOY_DIR}/${TARGET_OS}/${LAUNCHER_EXE} ${RUN_FLAGS}
+endif
+
+run-nogui: build-nogui clean-vendor gofiles
+	PROTONMAIL_ENV=dev ./${LAUNCHER_EXE} ${RUN_FLAGS} -c
 
 run-debug:
-	PROTONMAIL_ENV=dev dlv debug --build-flags "${BUILD_FLAGS_NOGUI}" cmd/${TARGET_CMD}/main.go -- ${RUN_FLAGS}
+	dlv debug \
+		--build-flags "-ldflags '-X github.com/ProtonMail/proton-bridge/v3/internal/constants.Version=3.1.0+git'" \
+		./cmd/Desktop-Bridge/main.go \
+		-- \
+		-n -l=trace
 
-run-qml-preview:
-	$(MAKE) -C internal/frontend/qt -f Makefile.local qmlpreview
-run-ie-qml-preview:
-	$(MAKE) -C internal/frontend/qt-ie -f Makefile.local qmlpreview
+ifeq "${TARGET_OS}" "windows"
+	EXE_SUFFIX=.exe
+endif
 
-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 $(MAKE) run-nogui
+bridge-gui-tester:  build-gui
+	cp ./cmd/Desktop-Bridge/deploy/${TARGET_OS}/bridge-gui${EXE_SUFFIX} .
+	cd ./internal/frontend/bridge-gui/bridge-gui-tester && cmake . && make
+
+run-gui-tester: bridge-gui-tester
+	# copying tester as bridge so bridge-gui will start it and connect to it automatically
+	cp ./internal/frontend/bridge-gui/bridge-gui-tester/bridge-gui-tester${EXE_SUFFIX} bridge${EXE_SUFFIX}
+	./bridge-gui${EXE_SUFFIX}
 
 
-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
-
-clean-vendor: clean-frontend-qt clean-frontend-qt-ie clean-frontend-qt-common
+clean-vendor:
 	rm -rf ./vendor
 
-clean: clean-vendor
+clean-gui:
+	cd internal/frontend/bridge-gui/ && \
+		rm -f BuildConfig.h && \
+		rm -rf cmake-build-*/
+
+clean-vcpkg:
+	git submodule deinit -f ./extern/vcpkg
+	rm -rf ./.git/submodule/vcpkg
+	rm -rf ./extern/vcpkg
+	git checkout -- extern/vcpkg
+
+clean: clean-vendor clean-gui clean-vcpkg
 	rm -rf vendor-cache
 	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 ./*.syso
+	rm -f release-notes/bridge.html
+	rm -f release-notes/import-export.html
+	rm -f ${LAUNCHER_EXE} ${BRIDGE_EXE} ${BRIDGE_EXE_NAME}
+
+
+.PHONY: generate
+generate:
+	go generate ./...
+	$(MAKE) build
+
+.FORCE:

README.md

@@ -1,53 +1,53 @@
-# ProtonMail Bridge and Import Export app
-Copyright (c) 2020 Proton Technologies AG
+# Proton Mail Bridge and Import Export app
+Copyright (c) 2023 Proton AG
 
-This repository holds the ProtonMail Bridge application.
+This repository holds the Proton Mail Bridge and the Proton Mail 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).
 
 
 ## Description Bridge
-ProtonMail Bridge for e-mail clients.
+Proton Mail Bridge for e-mail clients.
 
 When launched, Bridge will initialize local IMAP/SMTP servers and render 
 its GUI.
 
-To configure an e-mail client, firstly log in using your ProtonMail credentials. 
+To configure an e-mail client, firstly log in using your Proton Mail credentials. 
 Open your e-mail client and add a new account using the settings which are 
 located in the Bridge GUI. The client will only be able to sync with 
-your ProtonMail account when the Bridge is running, thus the option 
+your Proton Mail account when the Bridge is running, thus the option 
 to start Bridge on startup is enabled by default.
 
 When the main window is closed, Bridge will continue to run in the
 background.
 
-More details [on the public website](https://protonmail.com/bridge).
+More details [on the public website](https://proton.me/mail/bridge).
 
-## Description Import-Export app
-ProtonMail Import-Export app for importing and exporting messages.
+## Launchers
+Launchers are binaries used to run the Proton Mail Bridge or Import-Export apps.
 
-To transfer messages, firstly log in using your ProtonMail credentials.
-For import, expand your account, and pick the address to which to import
-messages from IMAP server or local EML or MBOX files. For export, pick
-the whole account or only a specific address. Then, in both cases,
-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.
+Official distributions of the Proton Mail 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/)
+You need to have a keychain in order to run the Proton Mail Bridge. On Mac or
+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
 
-### Bridge application
-- `BRIDGESTRICTMODE`: tells bridge to turn on `bbolt`'s "strict mode" which checks the database after every `Commit`. Set to `1` to enable.
-
 ### Dev build or run
 - `APP_VERSION`: set the bridge app version used during testing or building
 - `PROTONMAIL_ENV`: when set to `dev` it is not using Sentry to report crashes
@@ -55,40 +55,38 @@ 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
 
+## Folders
+
+There are now three types of system folders which Bridge recognises:
+
+|        | Windows                             | Mac                                                 | Linux                               | Linux (XDG)                           |
+|--------|-------------------------------------|-----------------------------------------------------|-------------------------------------|---------------------------------------|
+| config | %APPDATA%\protonmail\bridge-v3      | ~/Library/Application Support/protonmail/bridge-v3  | ~/.config/protonmail/bridge-v3      | $XDG_CONFIG_HOME/protonmail/bridge-v3 |
+| cache  | %LOCALAPPDATA%\protonmail\bridge-v3 | ~/Library/Caches/protonmail/bridge-v3               | ~/.cache/protonmail/bridge-v3       | $XDG_CACHE_HOME/protonmail/bridge-v3  |
+| data	  | %APPDATA%\protonmail\bridge-v3      | ~/Library/Application Support/protonmail/bridge-v3  | ~/.local/share/protonmail/bridge-v3 | $XDG_DATA_HOME/protonmail/bridge-v3   |
+| temp   | %LOCALAPPDATA%\Temp                 | $TMPDIR if non-empty, else /tmp                     | $TMPDIR if non-empty, else /tmp     | $TMPDIR if non-empty, else /tmp       |
+
+
 
 ## Files
-### Database
-The database stores metadata necessary for presenting messages and mailboxes to an email client:
-- Linux: `~/.cache/protonmail/bridge/<cacheVersion>/mailbox-<userID>.db` (unless `XDG_CACHE_HOME` is set, in which case that is used as your `~`)
-- macOS: `~/Library/Caches/protonmail/bridge/<cacheVersion>/mailbox-<userID>.db`
-- Windows: `%LOCALAPPDATA%\protonmail\bridge\<cacheVersion>\mailbox-<userID>.db`
 
-### 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`
+|                        | Base Dir | Path                       |
+|------------------------|----------|----------------------------|
+| bridge lock file       | cache    | bridge.lock                |
+| bridge-gui lock file   | cache    | bridge-gui.lock            |
+| vault                  | config   | vault.enc                  |
+| gRPC server json       | config   | grpcServerConfig.json      |
+| gRPC client json       | config   | grpcClientConfig_<id>.json |
+| gRPC Focus server json | config   | grpcFocusServerConfig.json |
+| Logs                   | data     | logs                       |
+| gluon DB               | data     | gluon/backend/db           |
+| gluon messages         | data     | gluon/backend/store        |
+| Update files           | data     | updates                    |
+| sentry cache           | data     | sentry_cache               |
+| Mac/Linux File Socket  | temp     | bridge{4_DIGITS}           |
 
-### IMAP Cache
-The currently subscribed mailboxes are held in a json file:
-- Linux: `~/.cache/protonmail/bridge/<cacheVersion>/user_info.json` (unless `XDG_CACHE_HOME` is set, in which case that is used as your `~`)
-- macOS: `~/Library/Caches/protonmail/bridge/<cacheVersion>/user_info.json`
-- Windows: `%LOCALAPPDATA%\protonmail\bridge\<cacheVersion>\user_info.json`
-
-### Lock file
-Bridge utilises an on-disk lock to ensure only one instance is run at once. The lock file is here: 
-- Linux: `~/.cache/protonmail/bridge/<cacheVersion>/bridge.lock` (unless `XDG_CACHE_HOME` is set, in which case that is used as your `~`)
-- macOS: `~/Library/Caches/protonmail/bridge/<cacheVersion>/bridge.lock`
-- Windows: `%LOCALAPPDATA%\protonmail\bridge\<cacheVersion>\bridge.lock`
-
-### TLS Certificate and Key
-When bridge first starts, it generates a unique TLS certificate and key file at the following locations:
-- Linux: `~/.config/protonmail/bridge/{cert,key}.pem` (unless `XDG_CONFIG_HOME` is set, in which case that is used as your `~/.config`)
-- macOS: `~/Library/ApplicationSupport/protonmail/bridge/{cert,key}.pem`
-- Windows: `%APPDATA%\protonmail\bridge\{cert,key}.pem`
 

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

@@ -1,22 +1,31 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2023 Proton AG
 //
-// This file is part of ProtonMail Bridge.
+// This file is part of Proton Mail Bridge.
 //
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// Proton Mail 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,
+// Proton Mail 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/>.
+// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
 
 package main
 
+import (
+	"os"
+	"strings"
+
+	"github.com/ProtonMail/proton-bridge/v3/internal/app"
+	"github.com/bradenaw/juniper/xslices"
+	"github.com/sirupsen/logrus"
+)
+
 /*
                              ___....___
    ^^                __..-:'':__:..:__:'':-..__
@@ -34,262 +43,8 @@ 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/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]
-)
-
 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,
-	)
-}
-
-// 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 := app.New().Run(xslices.Filter(os.Args, func(arg string) bool { return !strings.Contains(arg, "-psn_") })); err != nil {
+		logrus.Fatal(err)
+	}
 }

cmd/Import-Export/main.go

@@ -1,161 +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/events"
-	"github.com/ProtonMail/proton-bridge/internal/frontend"
-	"github.com/ProtonMail/proton-bridge/internal/importexport"
-	"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 (
-	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, "")
-
-	// 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))
-
-	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 +1,323 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+	"runtime"
+	"time"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gluon/async"
+	"github.com/ProtonMail/gopenpgp/v2/crypto"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/crash"
+	"github.com/ProtonMail/proton-bridge/v3/internal/locations"
+	"github.com/ProtonMail/proton-bridge/v3/internal/logging"
+	"github.com/ProtonMail/proton-bridge/v3/internal/sentry"
+	"github.com/ProtonMail/proton-bridge/v3/internal/updater"
+	"github.com/ProtonMail/proton-bridge/v3/internal/useragent"
+	"github.com/ProtonMail/proton-bridge/v3/internal/versioner"
+	"github.com/bradenaw/juniper/xslices"
+	"github.com/elastic/go-sysinfo"
+	"github.com/elastic/go-sysinfo/types"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"golang.org/x/sys/execabs"
+)
+
+const (
+	appName      = "Proton Mail Launcher"
+	exeName      = "bridge"
+	guiName      = "bridge-gui"
+	launcherName = "launcher"
+
+	FlagCLI                 = "cli"
+	FlagCLIShort            = "c"
+	FlagNonInteractive      = "noninteractive"
+	FlagNonInteractiveShort = "n"
+	FlagLauncher            = "--launcher"
+	FlagWait                = "--wait"
+	FlagSessionID           = "--session-id"
+)
+
+func main() { //nolint:funlen
+	logrus.SetLevel(logrus.DebugLevel)
+	l := logrus.WithField("launcher_version", constants.Version)
+
+	reporter := sentry.NewReporter(appName, useragent.New())
+
+	crashHandler := crash.NewHandler(reporter.ReportException)
+	defer async.HandlePanic(crashHandler)
+
+	locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, constants.ConfigName))
+	if err != nil {
+		l.WithError(err).Fatal("Failed to get locations provider")
+	}
+
+	locations := locations.New(locationsProvider, constants.ConfigName)
+
+	logsPath, err := locations.ProvideLogsPath()
+	if err != nil {
+		l.WithError(err).Fatal("Failed to get logs path")
+	}
+
+	sessionID := logging.NewSessionID()
+	crashHandler.AddRecoveryAction(logging.DumpStackTrace(logsPath, sessionID, launcherName))
+
+	var closer io.Closer
+	if closer, err = logging.Init(
+		logsPath,
+		sessionID,
+		logging.LauncherShortAppName,
+		logging.DefaultMaxLogFileSize,
+		logging.NoPruning,
+		os.Getenv("VERBOSITY"),
+	); err != nil {
+		l.WithError(err).Fatal("Failed to setup logging")
+	}
+
+	defer func() {
+		_ = logging.Close(closer)
+	}()
+
+	updatesPath, err := locations.ProvideUpdatesPath()
+	if err != nil {
+		l.WithError(err).Fatal("Failed to get updates path")
+	}
+
+	key, err := crypto.NewKeyFromArmored(updater.DefaultPublicKey)
+	if err != nil {
+		l.WithError(err).Fatal("Failed to create new verification key")
+	}
+
+	kr, err := crypto.NewKeyRing(key)
+	if err != nil {
+		l.WithError(err).Fatal("Failed to create new verification keyring")
+	}
+
+	versioner := versioner.New(updatesPath)
+
+	launcher, err := os.Executable()
+	if err != nil {
+		logrus.WithError(err).Fatal("Failed to determine path to launcher")
+	}
+
+	l = l.WithField("launcher_path", launcher)
+
+	args := os.Args[1:]
+
+	exe, err := getPathToUpdatedExecutable(filepath.Base(launcher), versioner, kr)
+	if err != nil {
+		exeToLaunch := guiName
+		if inCLIMode(args) {
+			exeToLaunch = exeName
+		}
+
+		l = l.WithField("exe_to_launch", exeToLaunch)
+		l.WithError(err).Info("No more updates found, looking up bridge executable")
+
+		path, err := versioner.GetExecutableInDirectory(exeToLaunch, filepath.Dir(launcher))
+		if err != nil {
+			l.WithError(err).Fatal("No executable in launcher directory")
+		}
+
+		exe = path
+	}
+
+	l = l.WithField("exe_path", exe)
+
+	args, wait, mainExes := findAndStripWait(args)
+	if wait {
+		for _, mainExe := range mainExes {
+			waitForProcessToFinish(mainExe)
+		}
+	}
+
+	cmd := execabs.Command(exe, appendLauncherPath(launcher, append(args, FlagSessionID, string(sessionID)))...) //nolint:gosec
+
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	cmd.Env = os.Environ()
+
+	// On windows, if you use Run(), a terminal stays open; we don't want that.
+	if //goland:noinspection GoBoolExpressions
+	runtime.GOOS == "windows" {
+		err = cmd.Start()
+	} else {
+		err = cmd.Run()
+	}
+
+	if err != nil {
+		l.WithError(err).Fatal("Failed to launch")
+	}
+}
+
+// appendLauncherPath add launcher path if missing.
+func appendLauncherPath(path string, args []string) []string {
+	if !sliceContains(args, FlagLauncher) {
+		res := append([]string{}, args...)
+		res = append(res, FlagLauncher, path)
+		return res
+	}
+	return args
+}
+
+// sliceContains checks if a value is present in a list.
+func sliceContains[T comparable](list []T, s T) bool {
+	return xslices.Any(list, func(arg T) bool { return arg == s })
+}
+
+// inCLIMode detect if CLI mode is asked.
+func inCLIMode(args []string) bool {
+	return hasFlag(args, FlagCLI) || hasFlag(args, FlagCLIShort) || hasFlag(args, FlagNonInteractive) || hasFlag(args, FlagNonInteractiveShort)
+}
+
+// hasFlag checks if a flag is present in a list.
+func hasFlag(args []string, flag string) bool {
+	return xslices.Any(args, func(arg string) bool { return (arg == "-"+flag) || (arg == "--"+flag) })
+}
+
+// findAndStrip check if a value is present in s list and remove all occurrences of the value from this list.
+func findAndStrip[T comparable](slice []T, v T) (strippedList []T, found bool) {
+	strippedList = xslices.Filter(slice, func(value T) bool {
+		return value != v
+	})
+	return strippedList, len(strippedList) != len(slice)
+}
+
+// findAndStripWait Check for waiter flag get its value and clean them both.
+func findAndStripWait(args []string) ([]string, bool, []string) {
+	res := append([]string{}, args...)
+
+	hasFlag := false
+	values := make([]string, 0)
+	for k, v := range res {
+		if v != FlagWait {
+			continue
+		}
+		if k+1 >= len(res) {
+			continue
+		}
+		hasFlag = true
+		values = append(values, res[k+1])
+	}
+
+	if hasFlag {
+		res, _ = findAndStrip(res, FlagWait)
+		for _, v := range values {
+			res, _ = findAndStrip(res, v)
+		}
+	}
+	return res, hasFlag, values
+}
+
+func getPathToUpdatedExecutable(
+	name string,
+	ver *versioner.Versioner,
+	kr *crypto.KeyRing,
+) (string, error) {
+	versions, err := ver.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.WithFields(logrus.Fields{
+			"version":       constants.Version,
+			"check_version": version,
+			"name":          name,
+		})
+
+		if err := version.VerifyFiles(kr); err != nil {
+			vlog.WithError(err).Error("Files failed verification and will be removed")
+
+			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")
+}
+
+// waitForProcessToFinish waits until the process with the given path is finished.
+func waitForProcessToFinish(exePath string) {
+	for {
+		processes, err := sysinfo.Processes()
+		if err != nil {
+			logrus.WithError(err).Error("Could not determine running processes")
+			return
+		}
+
+		exeInfo, err := os.Stat(exePath)
+		if err != nil {
+			logrus.WithError(err).WithField("file", exeInfo).Error("Could not retrieve file info")
+			return
+		}
+
+		if xslices.Any(processes, func(process types.Process) bool {
+			info, err := process.Info()
+			if err != nil {
+				logrus.WithError(err).Trace("Could not retrieve process info")
+				return false
+			}
+
+			return sameFile(exeInfo, info.Exe)
+		}) {
+			logrus.Infof("Waiting for %v to finish.", exeInfo.Name())
+			time.Sleep(1 * time.Second)
+			continue
+		}
+
+		return
+	}
+}
+
+func sameFile(info os.FileInfo, path string) bool {
+	pathInfo, err := os.Stat(path)
+	if err != nil {
+		logrus.WithError(err).WithField("file", path).Error("Could not retrieve file info")
+		return false
+	}
+
+	return os.SameFile(pathInfo, info)
+}

cmd/launcher/main_test.go

@@ -0,0 +1,80 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"testing"
+
+	"github.com/bradenaw/juniper/xslices"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSliceContains(t *testing.T) {
+	assert.True(t, sliceContains([]string{"a", "b", "c"}, "a"))
+	assert.True(t, sliceContains([]int{1, 2, 3}, 2))
+	assert.False(t, sliceContains([]string{"a", "b", "c"}, "A"))
+	assert.False(t, sliceContains([]int{1, 2, 3}, 4))
+	assert.False(t, sliceContains([]string{}, "a"))
+	assert.True(t, sliceContains([]string{"a", "a"}, "a"))
+}
+
+func TestFindAndStrip(t *testing.T) {
+	list := []string{"a", "b", "c", "c", "b", "c"}
+
+	result, found := findAndStrip(list, "a")
+	assert.True(t, found)
+	assert.True(t, xslices.Equal(result, []string{"b", "c", "c", "b", "c"}))
+
+	result, found = findAndStrip(list, "c")
+	assert.True(t, found)
+	assert.True(t, xslices.Equal(result, []string{"a", "b", "b"}))
+
+	result, found = findAndStrip([]string{"c", "c", "c"}, "c")
+	assert.True(t, found)
+	assert.True(t, xslices.Equal(result, []string{}))
+
+	result, found = findAndStrip(list, "A")
+	assert.False(t, found)
+	assert.True(t, xslices.Equal(result, list))
+
+	result, found = findAndStrip([]string{}, "a")
+	assert.False(t, found)
+	assert.True(t, xslices.Equal(result, []string{}))
+}
+
+func TestFindAndStripWait(t *testing.T) {
+	result, found, values := findAndStripWait([]string{"a", "b", "c"})
+	assert.False(t, found)
+	assert.True(t, xslices.Equal(result, []string{"a", "b", "c"}))
+	assert.True(t, xslices.Equal(values, []string{}))
+
+	result, found, values = findAndStripWait([]string{"a", "--wait", "b"})
+	assert.True(t, found)
+	assert.True(t, xslices.Equal(result, []string{"a"}))
+	assert.True(t, xslices.Equal(values, []string{"b"}))
+
+	result, found, values = findAndStripWait([]string{"a", "--wait", "b", "--wait", "c"})
+	assert.True(t, found)
+	assert.True(t, xslices.Equal(result, []string{"a"}))
+	assert.True(t, xslices.Equal(values, []string{"b", "c"}))
+
+	result, found, values = findAndStripWait([]string{"a", "--wait", "b", "--wait", "c", "--wait", "d"})
+	assert.True(t, found)
+	assert.True(t, xslices.Equal(result, []string{"a"}))
+	assert.True(t, xslices.Equal(values, []string{"b", "c", "d"}))
+}

dist/bridge.svg

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+<svg width="256" height="256" viewBox="0 0 256 256" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_9588_57903)">
+<path d="M127.416 -0.0898438C63.1423 -0.0898438 11.0449 51.9864 11.0449 116.234V233.331C11.0449 245.779 21.1405 255.871 33.5942 255.871H223.647C234.767 255.871 243.788 246.853 243.788 235.738V116.234C243.788 51.9948 191.691 -0.0898438 127.416 -0.0898438ZM194.401 115.589L143.537 158.421C134.357 166.155 120.929 166.155 111.749 158.421L60.8849 115.589C60.8849 79.2409 90.3659 49.7718 126.728 49.7718H128.558C164.92 49.7718 194.401 79.2409 194.401 115.589Z" fill="#6D4AFF"/>
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+<stop stop-color="#E2DBFF"/>
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+</radialGradient>
+<clipPath id="clip0_9588_57903">
+<rect width="256" height="256" fill="white"/>
+</clipPath>
+</defs>
+</svg>

dist/bridgeMacOS.svg

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 260 260" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <g>
+        <g transform="matrix(1.27944,0,0,1.35453,-34.9539,-16.0513)">
+            <path d="M40,62.391C40,38.979 58.979,20 82.391,20L177.609,20C201.021,20 220,38.979 220,62.391L220,157.609C220,181.021 201.021,200 177.609,200L82.391,200C58.979,200 40,181.021 40,157.609L40,62.391Z" style="fill:white;fill-rule:nonzero;"/>
+        </g>
+        <g transform="matrix(1.41874,0,0,1.41874,-55.214,-18.9171)">
+            <path d="M129.748,48.657C101.923,48.657 79.369,71.21 79.369,99.035L79.369,149.747C79.369,155.139 83.74,159.509 89.131,159.509L171.407,159.509C176.22,159.509 180.126,155.604 180.126,150.79L180.126,99.035C180.126,71.214 157.572,48.657 129.748,48.657ZM158.746,98.755L136.726,117.305C132.752,120.655 126.939,120.655 122.965,117.305L100.945,98.755C100.945,83.014 113.708,70.251 129.45,70.251L130.242,70.251C145.983,70.251 158.746,83.014 158.746,98.755Z" style="fill:rgb(109,74,255);fill-rule:nonzero;"/>
+        </g>
+        <g transform="matrix(1.41874,0,0,1.41874,-55.214,-18.9171)">
+            <path d="M129.748,48.657C101.923,48.657 79.369,71.21 79.369,99.035L79.369,149.748C79.369,155.139 83.74,159.509 89.131,159.509L171.407,159.509C176.22,159.509 180.126,155.604 180.126,150.79L180.126,99.035C180.126,71.214 157.572,48.657 129.748,48.657ZM158.746,98.755L136.726,117.305C132.752,120.655 126.939,120.655 122.965,117.305L100.945,98.755C100.945,83.014 113.708,70.251 129.45,70.251L130.242,70.251C145.983,70.251 158.746,83.014 158.746,98.755Z" style="fill:url(#_Linear1);fill-rule:nonzero;"/>
+        </g>
+        <g transform="matrix(1.41874,0,0,1.41874,-55.214,-18.9171)">
+            <path d="M136.764,117.529C134.468,119.388 128.499,121.99 122.989,117.529C117.479,113.069 106.044,103.208 101.015,98.835L101.041,98.835L100.946,98.756C100.946,83.014 113.709,70.251 129.45,70.251L130.242,70.251C145.984,70.251 158.746,83.014 158.746,98.756L158.652,98.835L158.737,98.835L158.737,159.51L171.407,159.51C176.221,159.51 180.126,155.604 180.126,150.79L180.126,99.035C180.126,71.214 157.573,48.657 129.748,48.657C101.923,48.657 79.37,71.211 79.37,99.035L79.37,102.219L110.526,129.008C112.822,131.195 118.857,134.256 124.629,129.008C130.401,123.761 135.124,119.169 136.764,117.529Z" style="fill:url(#_Radial2);fill-rule:nonzero;"/>
+        </g>
+    </g>
+    <defs>
+        <linearGradient id="_Linear1" x1="0" y1="0" x2="1" y2="0" gradientUnits="userSpaceOnUse" gradientTransform="matrix(15.0864,-42.636,42.636,15.0864,82.9769,172.3)"><stop offset="0" style="stop-color:rgb(40,176,232);stop-opacity:1"/><stop offset="1" style="stop-color:rgb(197,183,255);stop-opacity:0"/></linearGradient>
+        <radialGradient id="_Radial2" cx="0" cy="0" r="1" gradientUnits="userSpaceOnUse" gradientTransform="matrix(-94.8157,-85.2706,69.7189,-77.5232,174.186,168.693)"><stop offset="0" style="stop-color:rgb(226,219,255);stop-opacity:1"/><stop offset="1" style="stop-color:rgb(109,74,255);stop-opacity:1"/></radialGradient>
+    </defs>
+</svg>

dist/info.rc

@@ -0,0 +1,36 @@
+#define STRINGIZE_(x) #x
+#define STRINGIZE(x) STRINGIZE_(x)
+
+IDI_ICON1 ICON DISCARDABLE STRINGIZE(ICO_FILE)
+
+#define FILE_COMMENTS "Proton Mail Bridge is a desktop application that runs in the background, encrypting and decrypting messages as they enter and leave your computer."
+#define FILE_DESCRIPTION "Proton Mail Bridge"
+#define INTERNAL_NAME STRINGIZE(EXE_NAME)
+#define PRODUCT_NAME "Proton Mail Bridge for Windows"
+
+#define LEGAL_COPYRIGHT "(C) " STRINGIZE(YEAR) " Proton AG"
+
+1 VERSIONINFO
+FILEVERSION     FILE_VERSION_COMMA,0
+PRODUCTVERSION  FILE_VERSION_COMMA,0
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904b0"
+        BEGIN
+            VALUE "Comments", FILE_COMMENTS
+            VALUE "CompanyName", "Proton AG"
+            VALUE "FileDescription", FILE_DESCRIPTION
+            VALUE "FileVersion", STRINGIZE(FILE_VERSION)
+            VALUE "InternalName", INTERNAL_NAME
+            VALUE "LegalCopyright", LEGAL_COPYRIGHT
+            VALUE "OriginalFilename", STRINGIZE(ORIGINAL_FILE_NAME)
+            VALUE "ProductName", PRODUCT_NAME
+            VALUE "ProductVersion", STRINGIZE(PRODUCT_VERSION)
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x0409, 0x04B0
+    END
+END

dist/proton-bridge.desktop

@@ -0,0 +1,11 @@
+[Desktop Entry]
+Type=Application
+Version=1.1
+Name=Proton Mail Bridge
+GenericName=Proton Mail Bridge for Linux
+Comment=Proton Mail Bridge is a desktop application that runs in the background, encrypting and decrypting messages as they enter and leave your computer.
+Icon=protonmail-bridge
+Exec=protonmail-bridge
+Terminal=false
+Categories=Office;Email;Network
+StartupWMClass=Proton Mail Bridge

dist/raw/win+lin_icon_16x16.svg

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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_9588_57915)">
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dist/raw/win+lin_icon_24x24.svg

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dist/raw/win+lin_icon_256x256.svg

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doc/bridge.md

@@ -51,7 +51,7 @@ PMAPI directly.
 graph TD
 
     C["Client (e.g. Thunderbird)"]
-    PM[ProtonMail Server]
+    PM[Proton Mail Server]
 
     subgraph "Bridge app"
         subgraph "Bridge core"

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)

doc/updates.md

@@ -0,0 +1,103 @@
+# Update mechanism of Bridge
+
+There are mulitple options how to change version of application:
+* Automatic in-app update
+* Manual in-app update
+* Manual install
+
+In-app update ends with restarting bridge into new version. Automatic in-app
+update is downloading, verifying and installing the new version immediatelly
+without user confirmation. For manual in-app update user needs to confirm first.
+Update is done from special update file published on website.
+
+The manual installation requires user to download, verify and install manually
+using installer for given OS.
+
+The bridge is installed and executed differently for given OS:
+
+* Windows and Linux apps are using launcher mechanism:
+    * There is system protected installation path which is created on first
+      install. It contains bridge exe and launcher exe. When users starts
+      bridge the launcher is executed first. It will check update path compare
+      version with installed one. The newer version then is then executed.
+    * Update mechanism means to replace files in update folder which is located
+      in user space.
+
+* macOS app does not use launcher
+    * No launcher, only one executable
+    * In-App udpate replaces the bridge files in installation path directly
+
+
+```mermaid
+flowchart LR
+    subgraph Frontend
+    U[User requests<br>version check]
+    ManIns((Notify user about<br>manual install<br>is needed))
+    R((Notify user<br>about restart))
+    ManUp((Notify user about<br>manual update))
+    NF((Notify user about<br>force update))
+
+    ManUp -->|Install| InstFront[Install]
+    InstFront -->|Ok| R
+    InstFront -->|Error| ManIns
+
+    U --> CheckFront[Check online]
+    CheckFront -->|Ok| IAFront{Is new version<br>and applicable?}
+    CheckFront -->|Error| ManIns
+
+    IAFront -->|No| Latest((Notify user<br>has latest version))
+    IAFront -->|Yes| CanInstall{Can update?}
+    CanInstall -->|No| ManIns
+    CanInstall -->|Yes| NotifOrInstall{Is automatic<br>update enabled?}
+    NotifOrInstall -->|Manual| ManUp
+    end
+
+
+    subgraph Backend
+    W[Wait for next check]
+
+    W --> Check[Check online]
+
+    Check --> NV{Has new<br>version?}
+    Check -->|Error| W
+    NV -->|No new version| W
+    IA{Is install<br>applicable?}
+    NV -->|New version<br>available| IA
+    IA -->|Local rollout<br>not enough| W
+    IA -->|Yes| AU{Is automatic\nupdate enabled?}
+
+    AU -->|Yes| CanUp{Can update?}
+    CanUp -->|No| ManIns
+
+    CanUp -->|Yes| Ins[Install]
+    Ins -->|Error| ManIns
+    Ins -->|Ok| R
+
+    AU -->|No| ManUp
+    ManUp -->|Ignore| W
+
+
+    F[Force update]
+    F --> NF
+    end
+
+    ManIns --> Web[Open web page]
+    NF --> Web
+    ManUp --> Web
+    R --> Re[Restart]
+    NF --> Q[Quit bridge]
+    NotifOrInstall -->|Automatic| W
+```
+
+
+The non-trivial is to combine the update with setting change:
+* turn off/on automatic in-app updates
+* change from stable to beta or back
+
+_TODO fill flow chart details_
+
+
+We are not support downgrade functionality. Only some circumstances can lead to
+downgrading the app version.
+
+_TODO fill flow chart details_

go.mod

@@ -1,84 +1,124 @@
-module github.com/ProtonMail/proton-bridge
+module github.com/ProtonMail/proton-bridge/v3
 
-go 1.13
+go 1.20
 
-// 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/0xAX/notificator v0.0.0-20220220101646-ee9b8921e557
+	github.com/Masterminds/semver/v3 v3.2.0
+	github.com/ProtonMail/gluon v0.16.1-0.20230706110757-a9327fb18611
+	github.com/ProtonMail/go-autostart v0.0.0-20210130080809-00ed301c8e9a
+	github.com/ProtonMail/go-proton-api v0.4.1-0.20230727082922-9115b4750ec7
+	github.com/ProtonMail/gopenpgp/v2 v2.7.1-proton
+	github.com/PuerkitoBio/goquery v1.8.1
+	github.com/abiosoft/ishell v2.0.0+incompatible
+	github.com/allan-simon/go-singleinstance v0.0.0-20210120080615-d0997106ab37
+	github.com/bradenaw/juniper v0.12.0
+	github.com/cucumber/godog v0.12.5
+	github.com/cucumber/messages-go/v16 v16.0.1
 	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/elastic/go-sysinfo v1.8.1
+	github.com/emersion/go-imap v1.2.1
+	github.com/emersion/go-imap-id v0.0.0-20190926060100-f94a56b9ecde
+	github.com/emersion/go-message v0.16.0
+	github.com/emersion/go-sasl v0.0.0-20220912192320-0145f2c60ead
+	github.com/emersion/go-smtp v0.15.1-0.20221021114529-49b17434419d
+	github.com/fatih/color v1.13.0
+	github.com/getsentry/sentry-go v0.15.0
+	github.com/go-resty/resty/v2 v2.7.0
+	github.com/godbus/dbus v4.1.0+incompatible
+	github.com/golang/mock v1.6.0
+	github.com/google/go-cmp v0.5.9
+	github.com/google/uuid v1.3.0
+	github.com/hashicorp/go-multierror v1.1.1
+	github.com/jaytaylor/html2text v0.0.0-20211105163654-bc68cce691ba
+	github.com/keybase/go-keychain v0.0.0
+	github.com/miekg/dns v1.1.50
+	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58
+	github.com/pkg/errors v0.9.1
+	github.com/pkg/profile v1.7.0
+	github.com/sirupsen/logrus v1.9.2
+	github.com/stretchr/testify v1.8.3
+	github.com/urfave/cli/v2 v2.24.4
+	github.com/vmihailenco/msgpack/v5 v5.3.5
+	go.uber.org/goleak v1.2.1
+	golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1
+	golang.org/x/net v0.10.0
+	golang.org/x/sys v0.8.0
+	golang.org/x/text v0.9.0
+	google.golang.org/grpc v1.53.0
+	google.golang.org/protobuf v1.30.0
+	howett.net/plist v1.0.0
 )
 
 require (
-	github.com/0xAX/notificator v0.0.0-20191016112426-3962a5ea8da1
-	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-imap-id v0.0.0-20190926060100-f94a56b9ecde
-	github.com/ProtonMail/go-vcard v0.0.0-20180326232728-33aaa0a0c8a5
-	github.com/ProtonMail/gopenpgp/v2 v2.0.1
-	github.com/abiosoft/ishell v2.0.0+incompatible
+	github.com/ProtonMail/bcrypt v0.0.0-20211005172633-e235017c1baf // indirect
+	github.com/ProtonMail/go-crypto v0.0.0-20230518184743-7afd39499903 // indirect
+	github.com/ProtonMail/go-mime v0.0.0-20230322103455-7d82a3887f2f // indirect
+	github.com/ProtonMail/go-srp v0.0.7 // indirect
 	github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db // indirect
-	github.com/allan-simon/go-singleinstance v0.0.0-20160830203053-79edcfdc2dfc
-	github.com/andybalholm/cascadia v1.2.0
-	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/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-unselect v0.0.0-20171113212723-b985794e5f26
-	github.com/emersion/go-mbox v1.0.0
-	github.com/emersion/go-message v0.11.1
-	github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21
-	github.com/emersion/go-textwrapper v0.0.0-20160606182133-d0e65e56babe
-	github.com/emersion/go-vcard v0.0.0-20190105225839-8856043f13c5 // indirect
-	github.com/fatih/color v1.9.0
+	github.com/andybalholm/cascadia v1.3.2 // indirect
+	github.com/bytedance/sonic v1.9.1 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/chzyer/test v1.0.0 // indirect
+	github.com/cloudflare/circl v1.3.3 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
+	github.com/cronokirby/saferith v0.33.0 // indirect
+	github.com/cucumber/gherkin-go/v19 v19.0.3 // indirect
+	github.com/danieljoos/wincred v1.1.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/elastic/go-windows v1.0.1 // indirect
+	github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594 // indirect
+	github.com/emersion/go-vcard v0.0.0-20230331202150-f3d26859ccd3 // indirect
+	github.com/felixge/fgprof v0.9.3 // indirect
 	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/golang/mock v1.4.4
-	github.com/google/go-cmp v0.5.1
-	github.com/google/uuid v1.1.1
-	github.com/go-delve/delve v1.4.1 // indirect
-	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/jhillyerd/enmime v0.8.1
-	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0
-	github.com/keybase/go-keychain v0.0.0-20200502122510-cda31fe0c86d
-	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/nsf/jsondiff v0.0.0-20200515183724-f29ed568f4ce
-	github.com/olekukonko/tablewriter v0.0.4 // indirect
-	github.com/pkg/errors v0.9.1
-	github.com/psampaz/go-mod-outdated v0.6.0 // indirect
-	github.com/sirupsen/logrus v1.6.0
-	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966
-	github.com/stretchr/testify v1.6.1
-	github.com/therecipe/qt v0.0.0-20200701200531-7f61353ee73e
-	github.com/therecipe/qt/internal/binding/files/docs/5.12.0 v0.0.0-20200603231648-26cdb75b6f22 // indirect
-	github.com/therecipe/qt/internal/binding/files/docs/5.13.0 v0.0.0-20200603231648-26cdb75b6f22 // indirect
-	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/gabriel-vasile/mimetype v1.4.2 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.9.1 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.14.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/gofrs/uuid v4.3.0+incompatible // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/pprof v0.0.0-20211214055906-6f57359322fd // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
+	github.com/hashicorp/go-memdb v1.3.3 // indirect
+	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/joeshaw/multierror v0.0.0-20140124173710-69b34d4ec901 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
+	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/mattn/go-sqlite3 v1.14.17 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+	github.com/pierrec/lz4/v4 v4.1.17 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/rivo/uniseg v0.4.2 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.11 // indirect
+	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	golang.org/x/arch v0.3.0 // indirect
+	golang.org/x/crypto v0.9.0 // indirect
+	golang.org/x/mod v0.8.0 // indirect
+	golang.org/x/sync v0.2.0 // indirect
+	golang.org/x/tools v0.6.0 // indirect
+	google.golang.org/genproto v0.0.0-20230221151758-ace64dc21148 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
 replace (
 	github.com/docker/docker-credential-helpers => github.com/ProtonMail/docker-credential-helpers v1.1.0
-	github.com/emersion/go-imap => github.com/jameshoulahan/go-imap v0.0.0-20200728140727-d57327f48843
-	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-message => github.com/ProtonMail/go-message v0.13.1-0.20230526094639-b62c999c85b7
+	github.com/keybase/go-keychain => github.com/cuthix/go-keychain v0.0.0-20230517073537-fc1740a83768
 )

go.sum

@@ -1,286 +1,619 @@
-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=
+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 v0.0.0-20220220101646-ee9b8921e557 h1:l6surSnJ3RP4qA1qmKJ+hQn3UjytosdoG27WGjrDlVs=
+github.com/0xAX/notificator v0.0.0-20220220101646-ee9b8921e557/go.mod h1:sTrmvD/TxuypdOERsDOS7SndZg0rzzcCi1b6wQMXUYM=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-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/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/Masterminds/semver/v3 v3.2.0 h1:3MEsd0SM6jqZojhjLWWeBY+Kcjy9i6MQAeY7YgDP83g=
+github.com/Masterminds/semver/v3 v3.2.0/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/ProtonMail/bcrypt v0.0.0-20210511135022-227b4adcab57/go.mod h1:HecWFHognK8GfRDGnFQbW/LiV7A3MX3gZVs45vk5h8I=
+github.com/ProtonMail/bcrypt v0.0.0-20211005172633-e235017c1baf h1:yc9daCCYUefEs69zUkSzubzjBbL+cmOXgnmt9Fyd9ug=
+github.com/ProtonMail/bcrypt v0.0.0-20211005172633-e235017c1baf/go.mod h1:o0ESU9p83twszAU8LBeJKFAAMX14tISa0yk4Oo5TOqo=
 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-id v0.0.0-20190926060100-f94a56b9ecde h1:5koQozTDELymYOyFbQ/VSubexAEXzDR8qGM5mO8GRdw=
-github.com/ProtonMail/go-imap-id v0.0.0-20190926060100-f94a56b9ecde/go.mod h1:795VPXcRUIQ9JyMNHP4el582VokQfippgjkQP3Gk0r0=
-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-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/gluon v0.16.1-0.20230706110757-a9327fb18611 h1:QVydPr/+pgz5xihc2ujNNV+qnq3oTidIXvF0PgkcY6U=
+github.com/ProtonMail/gluon v0.16.1-0.20230706110757-a9327fb18611/go.mod h1:Og5/Dz1MiGpCJn51XujZwxiLG7WzvvjE5PRpZBQmAHo=
+github.com/ProtonMail/go-autostart v0.0.0-20210130080809-00ed301c8e9a h1:D+aZah+k14Gn6kmL7eKxoo/4Dr/lK3ChBcwce2+SQP4=
+github.com/ProtonMail/go-autostart v0.0.0-20210130080809-00ed301c8e9a/go.mod h1:oTGdE7/DlWIr23G0IKW3OXK9wZ5Hw1GGiaJFccTvZi4=
+github.com/ProtonMail/go-crypto v0.0.0-20230321155629-9a39f2531310/go.mod h1:8TI4H3IbrackdNgv+92dI+rhpCaLqM0IfpgCgenFvRE=
+github.com/ProtonMail/go-crypto v0.0.0-20230322105811-d73448b7e800/go.mod h1:8TI4H3IbrackdNgv+92dI+rhpCaLqM0IfpgCgenFvRE=
+github.com/ProtonMail/go-crypto v0.0.0-20230518184743-7afd39499903 h1:ZK3C5DtzV2nVAQTx5S5jQvMeDqWtD1By5mOoyY/xJek=
+github.com/ProtonMail/go-crypto v0.0.0-20230518184743-7afd39499903/go.mod h1:8TI4H3IbrackdNgv+92dI+rhpCaLqM0IfpgCgenFvRE=
+github.com/ProtonMail/go-message v0.13.1-0.20230526094639-b62c999c85b7 h1:+j+Kd/DyZ/qGfMT9htAT7HxqIEbZHsatsx+m8AoV6fc=
+github.com/ProtonMail/go-message v0.13.1-0.20230526094639-b62c999c85b7/go.mod h1:NBAn21zgCJ/52WLDyed18YvYFm5tEoeDauubFqLokM4=
+github.com/ProtonMail/go-mime v0.0.0-20230322103455-7d82a3887f2f h1:tCbYj7/299ekTTXpdwKYF8eBlsYsDVoggDAuAjoK66k=
+github.com/ProtonMail/go-mime v0.0.0-20230322103455-7d82a3887f2f/go.mod h1:gcr0kNtGBqin9zDW9GOHcVntrwnjrK+qdJ06mWYBybw=
+github.com/ProtonMail/go-proton-api v0.4.1-0.20230727082922-9115b4750ec7 h1:Rmg3TPK6vFGNWR4hxmPoBhV75Sl716iB46wEi2U4Q+c=
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internal/api/api.go

@@ -1,95 +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 api provides HTTP API of the Bridge.
-//
-// API endpoints:
-//  * /focus, see focusHandler
-package api
-
-import (
-	"crypto/tls"
-	"fmt"
-	"net/http"
-
-	"github.com/ProtonMail/proton-bridge/internal/bridge"
-	"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"
-)
-
-var (
-	log = logrus.WithField("pkg", "api") //nolint[gochecknoglobals]
-)
-
-type apiServer struct {
-	host          string
-	pref          *config.Preferences
-	tls           *tls.Config
-	certPath      string
-	keyPath       string
-	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]
-	return &apiServer{
-		host:          bridge.Host,
-		pref:          pref,
-		tls:           tls,
-		certPath:      certPath,
-		keyPath:       keyPath,
-		eventListener: eventListener,
-	}
-}
-
-// Starts the server.
-func (api *apiServer) ListenAndServe() {
-	mux := http.NewServeMux()
-	mux.HandleFunc("/focus", wrapper(api, focusHandler))
-
-	addr := api.getAddress()
-	server := &http.Server{
-		Addr:         addr,
-		Handler:      mux,
-		TLSConfig:    api.tls,
-		TLSNextProto: make(map[string]func(*http.Server, *tls.Conn, http.Handler)),
-	}
-
-	log.Info("API listening at ", addr)
-	if err := server.ListenAndServeTLS(api.certPath, api.keyPath); err != nil {
-		api.eventListener.Emit(events.ErrorEvent, "API failed: "+err.Error())
-		log.Error("API failed: ", err)
-	}
-	defer server.Close() //nolint[errcheck]
-}
-
-func (api *apiServer) getAddress() string {
-	port := api.pref.GetInt(preferences.APIPortKey)
-	newPort := ports.FindFreePortFrom(port)
-	if newPort != port {
-		api.pref.SetInt(preferences.APIPortKey, newPort)
-	}
-	return getAPIAddress(api.host, newPort)
-}
-
-func getAPIAddress(host string, port int) string {
-	return fmt.Sprintf("%s:%d", host, port)
-}

internal/api/ctx.go

@@ -1,51 +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 api
-
-import (
-	"net/http"
-
-	"github.com/ProtonMail/proton-bridge/pkg/listener"
-)
-
-// httpHandler with Go's Response and Request.
-type httpHandler func(http.ResponseWriter, *http.Request)
-
-// handler with our context.
-type handler func(handlerContext) error
-
-type handlerContext struct {
-	req           *http.Request
-	resp          http.ResponseWriter
-	eventListener listener.Listener
-}
-
-func wrapper(api *apiServer, callback handler) httpHandler {
-	return func(w http.ResponseWriter, req *http.Request) {
-		ctx := handlerContext{
-			req:           req,
-			resp:          w,
-			eventListener: api.eventListener,
-		}
-		err := callback(ctx)
-		if err != nil {
-			log.Error("API callback of ", req.URL, " failed: ", err)
-			http.Error(w, err.Error(), 500)
-		}
-	}
-}

internal/api/focus.go

@@ -1,55 +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 api
-
-import (
-	"crypto/tls"
-	"fmt"
-	"net/http"
-
-	"github.com/ProtonMail/proton-bridge/internal/bridge"
-	"github.com/ProtonMail/proton-bridge/internal/events"
-)
-
-// focusHandler should be called from other instances (attempt to start bridge
-// for the second time) to get focus in the currently running instance.
-func focusHandler(ctx handlerContext) error {
-	log.Info("Focus from other instance")
-	ctx.eventListener.Emit(events.SecondInstanceEvent, "")
-	fmt.Fprintf(ctx.resp, "OK")
-	return nil
-}
-
-// 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}
-
-	addr := getAPIAddress(bridge.Host, port)
-	resp, err := client.Get("https://" + addr + "/focus")
-	if err != nil {
-		return err
-	}
-	defer resp.Body.Close() //nolint[errcheck]
-
-	if resp.StatusCode != 200 {
-		log.Error("Focus error: ", resp.StatusCode)
-	}
-	return nil
-}

internal/app/app.go

@@ -0,0 +1,476 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package app
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"net/http/cookiejar"
+	"net/url"
+	"os"
+	"path/filepath"
+	"runtime"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gluon/async"
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/cookies"
+	"github.com/ProtonMail/proton-bridge/v3/internal/crash"
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	"github.com/ProtonMail/proton-bridge/v3/internal/focus"
+	"github.com/ProtonMail/proton-bridge/v3/internal/frontend/theme"
+	"github.com/ProtonMail/proton-bridge/v3/internal/locations"
+	"github.com/ProtonMail/proton-bridge/v3/internal/logging"
+	"github.com/ProtonMail/proton-bridge/v3/internal/sentry"
+	"github.com/ProtonMail/proton-bridge/v3/internal/useragent"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/ProtonMail/proton-bridge/v3/pkg/restarter"
+	"github.com/pkg/profile"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v2"
+)
+
+// Visible flags.
+const (
+	flagCPUProfile      = "cpu-prof"
+	flagCPUProfileShort = "p"
+
+	flagMemProfile      = "mem-prof"
+	flagMemProfileShort = "m"
+
+	flagLogLevel      = "log-level"
+	flagLogLevelShort = "l"
+
+	flagGRPC      = "grpc"
+	flagGRPCShort = "g"
+
+	flagCLI      = "cli"
+	flagCLIShort = "c"
+
+	flagNonInteractive      = "noninteractive"
+	flagNonInteractiveShort = "n"
+
+	flagLogIMAP = "log-imap"
+	flagLogSMTP = "log-smtp"
+)
+
+// Hidden flags.
+const (
+	flagLauncher         = "launcher"
+	flagNoWindow         = "no-window"
+	flagParentPID        = "parent-pid"
+	flagSoftwareRenderer = "software-renderer"
+	flagSessionID        = "session-id"
+)
+
+const (
+	appUsage     = "Proton Mail IMAP and SMTP Bridge"
+	appShortName = "bridge"
+)
+
+func New() *cli.App {
+	app := cli.NewApp()
+
+	app.Name = constants.FullAppName
+	app.Usage = appUsage
+	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:    flagGRPC,
+			Aliases: []string{flagGRPCShort},
+			Usage:   "Start the gRPC service",
+		},
+		&cli.BoolFlag{
+			Name:    flagCLI,
+			Aliases: []string{flagCLIShort},
+			Usage:   "Start the command line interface",
+		},
+		&cli.BoolFlag{
+			Name:    flagNonInteractive,
+			Aliases: []string{flagNonInteractiveShort},
+			Usage:   "Start the app in non-interactive mode",
+		},
+		&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!)",
+		},
+
+		// Hidden flags
+		&cli.BoolFlag{
+			Name:   flagNoWindow,
+			Usage:  "Don't show window after start",
+			Hidden: true,
+		},
+		&cli.StringFlag{
+			Name:   flagLauncher,
+			Usage:  "The launcher used to start the app",
+			Hidden: true,
+		},
+		&cli.IntFlag{
+			Name:   flagParentPID,
+			Usage:  "Process ID of the parent",
+			Hidden: true,
+			Value:  -1,
+		},
+		&cli.BoolFlag{
+			Name:   flagSoftwareRenderer, // This flag is ignored by bridge, but should be passed to launcher in case of restart, so it need to be accepted by the CLI parser.
+			Usage:  "GUI is using software renderer",
+			Hidden: true,
+			Value:  false,
+		},
+		&cli.StringFlag{
+			Name:   flagSessionID,
+			Hidden: true,
+		},
+	}
+
+	app.Action = run
+
+	return app
+}
+
+func run(c *cli.Context) error {
+	// Get the current bridge version.
+	version, err := semver.NewVersion(constants.Version)
+	if err != nil {
+		return fmt.Errorf("could not create version: %w", err)
+	}
+
+	// Create a user agent that will be used for all requests.
+	identifier := useragent.New()
+
+	// Create a new Sentry client that will be used to report crashes etc.
+	reporter := sentry.NewReporter(constants.FullAppName, identifier)
+
+	// Determine the exe that should be used to restart/autostart the app.
+	// By default, this is the launcher, if used. Otherwise, we try to get
+	// the current exe, and fall back to os.Args[0] if that fails.
+	var exe string
+
+	if launcher := c.String(flagLauncher); launcher != "" {
+		exe = launcher
+	} else if executable, err := os.Executable(); err == nil {
+		exe = executable
+	} else {
+		exe = os.Args[0]
+	}
+
+	var logCloser io.Closer
+	defer func() {
+		_ = logging.Close(logCloser)
+	}()
+
+	// Restart the app if requested.
+	return withRestarter(exe, func(restarter *restarter.Restarter) error {
+		// Handle crashes with various actions.
+		return withCrashHandler(restarter, reporter, func(crashHandler *crash.Handler, quitCh <-chan struct{}) error {
+			migrationErr := migrateOldVersions()
+
+			// Run with profiling if requested.
+			return withProfiler(c, func() error {
+				// Load the locations where we store our files.
+				return WithLocations(func(locations *locations.Locations) error {
+					// Migrate the keychain helper.
+					if err := migrateKeychainHelper(locations); err != nil {
+						logrus.WithError(err).Error("Failed to migrate keychain helper")
+					}
+
+					// Initialize logging.
+					return withLogging(c, crashHandler, locations, func(closer io.Closer) error {
+						logCloser = closer
+
+						// If there was an error during migration, log it now.
+						if migrationErr != nil {
+							logrus.WithError(migrationErr).Error("Failed to migrate old app data")
+						}
+
+						// Ensure we are the only instance running.
+						settings, err := locations.ProvideSettingsPath()
+						if err != nil {
+							logrus.WithError(err).Error("Failed to get settings path")
+						}
+
+						return withSingleInstance(settings, locations.GetLockFile(), version, func() error {
+							// Unlock the encrypted vault.
+							return WithVault(locations, crashHandler, func(v *vault.Vault, insecure, corrupt bool) error {
+								if !v.Migrated() {
+									// Migrate old settings into the vault.
+									if err := migrateOldSettings(v); err != nil {
+										logrus.WithError(err).Error("Failed to migrate old settings")
+									}
+
+									// Migrate old accounts into the vault.
+									if err := migrateOldAccounts(locations, v); err != nil {
+										logrus.WithError(err).Error("Failed to migrate old accounts")
+									}
+
+									// The vault has been migrated.
+									if err := v.SetMigrated(); err != nil {
+										logrus.WithError(err).Error("Failed to mark vault as migrated")
+									}
+								}
+
+								logrus.WithFields(logrus.Fields{
+									"lastVersion": v.GetLastVersion().String(),
+									"showAllMail": v.GetShowAllMail(),
+									"updateCh":    v.GetUpdateChannel(),
+									"autoUpdate":  v.GetAutoUpdate(),
+									"rollout":     v.GetUpdateRollout(),
+									"DoH":         v.GetProxyAllowed(),
+								}).Info("Vault loaded")
+
+								// Load the cookies from the vault.
+								return withCookieJar(v, func(cookieJar http.CookieJar) error {
+									// Create a new bridge instance.
+									return withBridge(c, exe, locations, version, identifier, crashHandler, reporter, v, cookieJar, func(b *bridge.Bridge, eventCh <-chan events.Event) error {
+										if insecure {
+											logrus.Warn("The vault key could not be retrieved; the vault will not be encrypted")
+											b.PushError(bridge.ErrVaultInsecure)
+										}
+
+										if corrupt {
+											logrus.Warn("The vault is corrupt and has been wiped")
+											b.PushError(bridge.ErrVaultCorrupt)
+										}
+
+										// Start telemetry heartbeat process
+										b.StartHeartbeat(b)
+
+										// Run the frontend.
+										return runFrontend(c, crashHandler, restarter, locations, b, eventCh, quitCh, c.Int(flagParentPID))
+									})
+								})
+							})
+						})
+					})
+				})
+			})
+		})
+	})
+}
+
+// If there's another instance already running, try to raise it and exit.
+func withSingleInstance(settingPath, lockFile string, version *semver.Version, fn func() error) error {
+	logrus.Debug("Checking for other instances")
+	defer logrus.Debug("Single instance stopped")
+
+	lock, err := checkSingleInstance(settingPath, lockFile, version)
+	if err != nil {
+		logrus.Info("Another instance is already running; raising it")
+
+		if ok := focus.TryRaise(settingPath); !ok {
+			return fmt.Errorf("another instance is already running but it could not be raised")
+		}
+
+		logrus.Info("The other instance has been raised")
+
+		return nil
+	}
+
+	defer func() {
+		if err := lock.Close(); err != nil {
+			logrus.WithError(err).Error("Failed to close lock file")
+		}
+	}()
+
+	return fn()
+}
+
+// Initialize our logging system.
+func withLogging(c *cli.Context, crashHandler *crash.Handler, locations *locations.Locations, fn func(closer io.Closer) error) error {
+	logrus.Debug("Initializing logging")
+	defer logrus.Debug("Logging stopped")
+
+	// Get a place to keep our logs.
+	logsPath, err := locations.ProvideLogsPath()
+	if err != nil {
+		return fmt.Errorf("could not provide logs path: %w", err)
+	}
+
+	logrus.WithField("path", logsPath).Debug("Received logs path")
+
+	// Initialize logging.
+	sessionID := logging.NewSessionIDFromString(c.String(flagSessionID))
+	var closer io.Closer
+	if closer, err = logging.Init(
+		logsPath,
+		sessionID,
+		logging.BridgeShortAppName,
+		logging.DefaultMaxLogFileSize,
+		logging.DefaultPruningSize,
+		c.String(flagLogLevel),
+	); err != nil {
+		return fmt.Errorf("could not initialize logging: %w", err)
+	}
+
+	// Ensure we dump a stack trace if we crash.
+	crashHandler.AddRecoveryAction(logging.DumpStackTrace(logsPath, sessionID, appShortName))
+
+	logrus.
+		WithField("appName", constants.FullAppName).
+		WithField("version", constants.Version).
+		WithField("revision", constants.Revision).
+		WithField("tag", constants.Tag).
+		WithField("build", constants.BuildTime).
+		WithField("runtime", runtime.GOOS).
+		WithField("args", os.Args).
+		WithField("SentryID", sentry.GetProtectedHostname()).
+		Info("Run app")
+
+	return fn(closer)
+}
+
+// WithLocations provides access to locations where we store our files.
+func WithLocations(fn func(*locations.Locations) error) error {
+	logrus.Debug("Creating locations")
+	defer logrus.Debug("Locations stopped")
+
+	// Create a locations provider to determine where to store our files.
+	provider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, constants.ConfigName))
+	if err != nil {
+		return fmt.Errorf("could not create locations provider: %w", err)
+	}
+
+	// Create a new locations object that will be used to provide paths to store files.
+	return fn(locations.New(provider, constants.ConfigName))
+}
+
+// Start profiling if requested.
+func withProfiler(c *cli.Context, fn func() error) error {
+	defer logrus.Debug("Profiler stopped")
+
+	if c.Bool(flagCPUProfile) {
+		logrus.Debug("Running with CPU profiling")
+		defer profile.Start(profile.CPUProfile, profile.ProfilePath(".")).Stop()
+	}
+
+	if c.Bool(flagMemProfile) {
+		logrus.Debug("Running with memory profiling")
+		defer profile.Start(profile.MemProfile, profile.MemProfileAllocs, profile.ProfilePath(".")).Stop()
+	}
+
+	return fn()
+}
+
+// Restart the app if necessary.
+func withRestarter(exe string, fn func(*restarter.Restarter) error) error {
+	logrus.Debug("Creating restarter")
+	defer logrus.Debug("Restarter stopped")
+
+	restarter := restarter.New(exe)
+	defer restarter.Restart()
+
+	return fn(restarter)
+}
+
+// Handle crashes if they occur.
+func withCrashHandler(restarter *restarter.Restarter, reporter *sentry.Reporter, fn func(*crash.Handler, <-chan struct{}) error) error {
+	logrus.Debug("Creating crash handler")
+	defer logrus.Debug("Crash handler stopped")
+
+	crashHandler := crash.NewHandler(crash.ShowErrorNotification(constants.FullAppName))
+	defer async.HandlePanic(crashHandler)
+
+	// On crash, send crash report to Sentry.
+	crashHandler.AddRecoveryAction(reporter.ReportException)
+
+	// On crash, notify the user and restart the app.
+	crashHandler.AddRecoveryAction(crash.ShowErrorNotification(constants.FullAppName))
+
+	// On crash, restart the app.
+	crashHandler.AddRecoveryAction(func(any) error { restarter.Set(true, true); return nil })
+
+	// quitCh is closed when the app is quitting.
+	quitCh := make(chan struct{})
+
+	// On crash, quit the app.
+	crashHandler.AddRecoveryAction(func(any) error { close(quitCh); return nil })
+
+	return fn(crashHandler, quitCh)
+}
+
+// Use a custom cookie jar to persist values across runs.
+func withCookieJar(vault *vault.Vault, fn func(http.CookieJar) error) error {
+	logrus.Debug("Creating cookie jar")
+	defer logrus.Debug("Cookie jar stopped")
+
+	// Create the underlying cookie jar.
+	jar, err := cookiejar.New(nil)
+	if err != nil {
+		return fmt.Errorf("could not create cookie jar: %w", err)
+	}
+
+	// Create the cookie jar which persists to the vault.
+	persister, err := cookies.NewCookieJar(jar, vault)
+	if err != nil {
+		return fmt.Errorf("could not create cookie jar: %w", err)
+	}
+
+	if err := setDeviceCookies(persister); err != nil {
+		return fmt.Errorf("could not set device cookies: %w", err)
+	}
+
+	// Persist the cookies to the vault when we close.
+	defer func() {
+		logrus.Debug("Persisting cookies")
+
+		if err := persister.PersistCookies(); err != nil {
+			logrus.WithError(err).Error("Failed to persist cookies")
+		}
+	}()
+
+	return fn(persister)
+}
+
+func setDeviceCookies(jar *cookies.Jar) error {
+	url, err := url.Parse(constants.APIHost)
+	if err != nil {
+		return err
+	}
+
+	for name, value := range map[string]string{
+		"hhn": sentry.GetProtectedHostname(),
+		"tz":  sentry.GetTimeZone(),
+		"lng": sentry.GetSystemLang(),
+		"clr": string(theme.DefaultTheme()),
+	} {
+		jar.SetCookies(url, []*http.Cookie{{Name: name, Value: value, Secure: true}})
+	}
+
+	return nil
+}

internal/app/bridge.go

@@ -0,0 +1,163 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package app
+
+import (
+	"fmt"
+	"net/http"
+	"runtime"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gluon/imap"
+	"github.com/ProtonMail/go-autostart"
+	"github.com/ProtonMail/gopenpgp/v2/crypto"
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/crash"
+	"github.com/ProtonMail/proton-bridge/v3/internal/dialer"
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	"github.com/ProtonMail/proton-bridge/v3/internal/locations"
+	"github.com/ProtonMail/proton-bridge/v3/internal/sentry"
+	"github.com/ProtonMail/proton-bridge/v3/internal/updater"
+	"github.com/ProtonMail/proton-bridge/v3/internal/useragent"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/ProtonMail/proton-bridge/v3/internal/versioner"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v2"
+)
+
+// deleteOldGoIMAPFiles Set with `-ldflags -X app.deleteOldGoIMAPFiles=true` to enable cleanup of old imap cache data.
+var deleteOldGoIMAPFiles bool //nolint:gochecknoglobals
+
+// withBridge creates and tears down the bridge.
+func withBridge(
+	c *cli.Context,
+	exe string,
+	locations *locations.Locations,
+	version *semver.Version,
+	identifier *useragent.UserAgent,
+	crashHandler *crash.Handler,
+	reporter *sentry.Reporter,
+	vault *vault.Vault,
+	cookieJar http.CookieJar,
+	fn func(*bridge.Bridge, <-chan events.Event) error,
+) error {
+	logrus.Debug("Creating bridge")
+	defer logrus.Debug("Bridge stopped")
+
+	// Delete old go-imap cache files
+	if deleteOldGoIMAPFiles {
+		logrus.Debug("Deleting old go-imap cache files")
+
+		if err := locations.CleanGoIMAPCache(); err != nil {
+			logrus.WithError(err).Error("Failed to remove old go-imap cache")
+		}
+	}
+
+	// Create the underlying dialer used by the bridge.
+	// It only connects to trusted servers and reports any untrusted servers it finds.
+	pinningDialer := dialer.NewPinningTLSDialer(
+		dialer.NewBasicTLSDialer(constants.APIHost),
+		dialer.NewTLSReporter(constants.APIHost, constants.AppVersion(version.Original()), identifier, dialer.TrustedAPIPins),
+		dialer.NewTLSPinChecker(dialer.TrustedAPIPins),
+	)
+
+	// Create a proxy dialer which switches to a proxy if the request fails.
+	proxyDialer := dialer.NewProxyTLSDialer(pinningDialer, constants.APIHost, crashHandler)
+
+	// Create the autostarter.
+	autostarter := newAutostarter(exe)
+
+	// Create the update installer.
+	updater, err := newUpdater(locations)
+	if err != nil {
+		return fmt.Errorf("could not create updater: %w", err)
+	}
+
+	// Create a new bridge.
+	bridge, eventCh, err := bridge.New(
+		// The app stuff.
+		locations,
+		vault,
+		autostarter,
+		updater,
+		version,
+
+		// The API stuff.
+		constants.APIHost,
+		cookieJar,
+		identifier,
+		pinningDialer,
+		dialer.CreateTransportWithDialer(proxyDialer),
+		proxyDialer,
+
+		// Crash and report stuff
+		crashHandler,
+		reporter,
+		imap.DefaultEpochUIDValidityGenerator(),
+
+		// The logging stuff.
+		c.String(flagLogIMAP) == "client" || c.String(flagLogIMAP) == "all",
+		c.String(flagLogIMAP) == "server" || c.String(flagLogIMAP) == "all",
+		c.Bool(flagLogSMTP),
+	)
+	if err != nil {
+		return fmt.Errorf("could not create bridge: %w", err)
+	}
+
+	// Ensure we close bridge when we exit.
+	defer bridge.Close(c.Context)
+
+	return fn(bridge, eventCh)
+}
+
+func newAutostarter(exe string) *autostart.App {
+	logrus.Debug("Creating autostarter")
+
+	return &autostart.App{
+		Name:        constants.FullAppName,
+		DisplayName: constants.FullAppName,
+		Exec:        []string{exe, "--" + flagNoWindow},
+	}
+}
+
+func newUpdater(locations *locations.Locations) (*updater.Updater, error) {
+	updatesDir, err := locations.ProvideUpdatesPath()
+	if err != nil {
+		return nil, fmt.Errorf("could not provide updates path: %w", err)
+	}
+
+	logrus.WithField("updates", updatesDir).Debug("Creating updater")
+
+	key, err := crypto.NewKeyFromArmored(updater.DefaultPublicKey)
+	if err != nil {
+		return nil, fmt.Errorf("could not create key from armored: %w", err)
+	}
+
+	verifier, err := crypto.NewKeyRing(key)
+	if err != nil {
+		return nil, fmt.Errorf("could not create key ring: %w", err)
+	}
+
+	return updater.NewUpdater(
+		updater.NewInstaller(versioner.New(updatesDir)),
+		verifier,
+		constants.UpdateName,
+		runtime.GOOS,
+	), nil
+}

internal/app/frontend.go

@@ -0,0 +1,70 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package app
+
+import (
+	"fmt"
+
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/v3/internal/crash"
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	bridgeCLI "github.com/ProtonMail/proton-bridge/v3/internal/frontend/cli"
+	"github.com/ProtonMail/proton-bridge/v3/internal/frontend/grpc"
+	"github.com/ProtonMail/proton-bridge/v3/internal/locations"
+	"github.com/ProtonMail/proton-bridge/v3/pkg/restarter"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v2"
+)
+
+func runFrontend(
+	c *cli.Context,
+	crashHandler *crash.Handler,
+	restarter *restarter.Restarter,
+	locations *locations.Locations,
+	bridge *bridge.Bridge,
+	eventCh <-chan events.Event,
+	quitCh <-chan struct{},
+	parentPID int,
+) error {
+	logrus.Debug("Running frontend")
+	defer logrus.Debug("Frontend stopped")
+
+	switch {
+	case c.Bool(flagCLI):
+		return bridgeCLI.New(bridge, restarter, eventCh, crashHandler, quitCh).Loop()
+
+	case c.Bool(flagNonInteractive):
+		<-quitCh
+		return nil
+
+	case c.Bool(flagGRPC):
+		service, err := grpc.NewService(crashHandler, restarter, locations, bridge, eventCh, quitCh, !c.Bool(flagNoWindow), parentPID)
+		if err != nil {
+			return fmt.Errorf("could not create service: %w", err)
+		}
+
+		return service.Loop()
+
+	default:
+		if err := cli.ShowAppHelp(c); err != nil {
+			logrus.WithError(err).Error("Failed to show app help")
+		}
+
+		return fmt.Errorf("no frontend specified, use --cli, --grpc or --noninteractive")
+	}
+}

internal/app/migration.go

@@ -0,0 +1,372 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package app
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/fs"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/proton-bridge/v3/internal/legacy/credentials"
+	"github.com/ProtonMail/proton-bridge/v3/internal/locations"
+	"github.com/ProtonMail/proton-bridge/v3/internal/logging"
+	"github.com/ProtonMail/proton-bridge/v3/internal/updater"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/ProtonMail/proton-bridge/v3/pkg/algo"
+	"github.com/ProtonMail/proton-bridge/v3/pkg/keychain"
+	"github.com/allan-simon/go-singleinstance"
+	"github.com/hashicorp/go-multierror"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+)
+
+// nolint:gosec
+func migrateKeychainHelper(locations *locations.Locations) error {
+	logrus.Info("Migrating keychain helper")
+
+	settings, err := locations.ProvideSettingsPath()
+	if err != nil {
+		return fmt.Errorf("failed to get settings path: %w", err)
+	}
+
+	// If keychain helper file is already there do not migrate again.
+	if keychainName, _ := vault.GetHelper(settings); keychainName != "" {
+		return nil
+	}
+
+	configDir, err := os.UserConfigDir()
+	if err != nil {
+		return fmt.Errorf("failed to get user config dir: %w", err)
+	}
+
+	b, err := os.ReadFile(filepath.Join(configDir, "protonmail", "bridge", "prefs.json"))
+	if errors.Is(err, fs.ErrNotExist) {
+		return nil
+	} else if err != nil {
+		return fmt.Errorf("failed to read old prefs file: %w", err)
+	}
+
+	var prefs struct {
+		Helper string `json:"preferred_keychain"`
+	}
+
+	if err := json.Unmarshal(b, &prefs); err != nil {
+		return fmt.Errorf("failed to unmarshal old prefs file: %w", err)
+	}
+
+	return vault.SetHelper(settings, prefs.Helper)
+}
+
+// nolint:gosec
+func migrateOldSettings(v *vault.Vault) error {
+	logrus.Info("Migrating settings")
+
+	configDir, err := os.UserConfigDir()
+	if err != nil {
+		return fmt.Errorf("failed to get user config dir: %w", err)
+	}
+
+	return migrateOldSettingsWithDir(configDir, v)
+}
+
+// nolint:gosec
+func migrateOldSettingsWithDir(configDir string, v *vault.Vault) error {
+	b, err := os.ReadFile(filepath.Join(configDir, "protonmail", "bridge", "prefs.json"))
+	if errors.Is(err, fs.ErrNotExist) {
+		return nil
+	} else if err != nil {
+		return fmt.Errorf("failed to read old prefs file: %w", err)
+	}
+
+	if err := migratePrefsToVault(v, b); err != nil {
+		return fmt.Errorf("failed to migrate prefs to vault: %w", err)
+	}
+
+	logrus.Info("Migrating TLS certificate")
+
+	certPEM, err := os.ReadFile(filepath.Join(configDir, "protonmail", "bridge", "cert.pem"))
+	if errors.Is(err, fs.ErrNotExist) {
+		return nil
+	} else if err != nil {
+		return fmt.Errorf("failed to read old cert file: %w", err)
+	}
+
+	keyPEM, err := os.ReadFile(filepath.Join(configDir, "protonmail", "bridge", "key.pem"))
+	if errors.Is(err, fs.ErrNotExist) {
+		return nil
+	} else if err != nil {
+		return fmt.Errorf("failed to read old key file: %w", err)
+	}
+
+	return v.SetBridgeTLSCertKey(certPEM, keyPEM)
+}
+
+func migrateOldAccounts(locations *locations.Locations, v *vault.Vault) error {
+	logrus.Info("Migrating accounts")
+
+	settings, err := locations.ProvideSettingsPath()
+	if err != nil {
+		return fmt.Errorf("failed to get settings path: %w", err)
+	}
+
+	helper, err := vault.GetHelper(settings)
+	if err != nil {
+		return fmt.Errorf("failed to get helper: %w", err)
+	}
+
+	keychain, err := keychain.NewKeychain(helper, "bridge")
+	if err != nil {
+		return fmt.Errorf("failed to create keychain: %w", err)
+	}
+
+	store := credentials.NewStore(keychain)
+
+	users, err := store.List()
+	if err != nil {
+		return fmt.Errorf("failed to create credentials store: %w", err)
+	}
+
+	var migrationErrors error
+
+	for _, userID := range users {
+		if err := migrateOldAccount(userID, store, v); err != nil {
+			migrationErrors = multierror.Append(migrationErrors, err)
+		}
+	}
+
+	return migrationErrors
+}
+
+func migrateOldAccount(userID string, store *credentials.Store, v *vault.Vault) error {
+	l := logrus.WithField("userID", userID)
+	l.Info("Migrating account")
+
+	creds, err := store.Get(userID)
+	if err != nil {
+		return fmt.Errorf("failed to get user %q: %w", userID, err)
+	}
+
+	authUID, authRef, err := creds.SplitAPIToken()
+	if err != nil {
+		return fmt.Errorf("failed to split api token for user %q: %w", userID, err)
+	}
+
+	var primaryEmail string
+	if len(creds.EmailList()) > 0 {
+		primaryEmail = creds.EmailList()[0]
+	}
+
+	user, err := v.AddUser(creds.UserID, creds.Name, primaryEmail, authUID, authRef, creds.MailboxPassword)
+	if err != nil {
+		return fmt.Errorf("failed to add user %q: %w", userID, err)
+	}
+
+	l = l.WithField("username", logging.Sensitive(user.Username()))
+	l.Info("Migrated account with random bridge password")
+
+	defer func() {
+		if err := user.Close(); err != nil {
+			logrus.WithField("userID", userID).WithError(err).Error("Failed to close vault user after migration")
+		}
+	}()
+
+	dec, err := algo.B64RawDecode([]byte(creds.BridgePassword))
+	if err != nil {
+		return fmt.Errorf("failed to decode bridge password for user %q: %w", userID, err)
+	}
+
+	if err := user.SetBridgePass(dec); err != nil {
+		return fmt.Errorf("failed to set bridge password for user %q: %w", userID, err)
+	}
+
+	l = l.WithField("password", logging.Sensitive(string(algo.B64RawEncode(dec))))
+	l.Info("Migrated existing bridge password")
+
+	if !creds.IsCombinedAddressMode {
+		if err := user.SetAddressMode(vault.SplitMode); err != nil {
+			return fmt.Errorf("failed to set split address mode to user %q: %w", userID, err)
+		}
+	}
+
+	return nil
+}
+
+func migratePrefsToVault(vault *vault.Vault, b []byte) error {
+	var prefs struct {
+		IMAPPort int  `json:"user_port_imap,,string"`
+		SMTPPort int  `json:"user_port_smtp,,string"`
+		SMTPSSL  bool `json:"user_ssl_smtp,,string"`
+
+		AutoUpdate    bool            `json:"autoupdate,,string"`
+		UpdateChannel updater.Channel `json:"update_channel"`
+		UpdateRollout float64         `json:"rollout,,string"`
+
+		FirstStart  bool            `json:"first_time_start,,string"`
+		ColorScheme string          `json:"color_scheme"`
+		LastVersion *semver.Version `json:"last_used_version"`
+		Autostart   bool            `json:"autostart,,string"`
+
+		AllowProxy        bool `json:"allow_proxy,,string"`
+		FetchWorkers      int  `json:"fetch_workers,,string"`
+		AttachmentWorkers int  `json:"attachment_workers,,string"`
+		ShowAllMail       bool `json:"is_all_mail_visible,,string"`
+
+		Cookies string `json:"cookies"`
+	}
+
+	if err := json.Unmarshal(b, &prefs); err != nil {
+		return fmt.Errorf("failed to unmarshal old prefs file: %w", err)
+	}
+
+	var errs error
+
+	if err := vault.SetIMAPPort(prefs.IMAPPort); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate IMAP port: %w", err))
+	}
+
+	if err := vault.SetSMTPPort(prefs.SMTPPort); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate SMTP port: %w", err))
+	}
+
+	if err := vault.SetSMTPSSL(prefs.SMTPSSL); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate SMTP SSL: %w", err))
+	}
+
+	if err := vault.SetAutoUpdate(prefs.AutoUpdate); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate auto update: %w", err))
+	}
+
+	if err := vault.SetUpdateChannel(prefs.UpdateChannel); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate update channel: %w", err))
+	}
+
+	if err := vault.SetUpdateRollout(prefs.UpdateRollout); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate rollout: %w", err))
+	}
+
+	if err := vault.SetFirstStart(prefs.FirstStart); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate first start: %w", err))
+	}
+
+	if err := vault.SetColorScheme(prefs.ColorScheme); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate color scheme: %w", err))
+	}
+
+	if err := vault.SetLastVersion(prefs.LastVersion); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate last version: %w", err))
+	}
+
+	if err := vault.SetAutostart(prefs.Autostart); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate autostart: %w", err))
+	}
+
+	if err := vault.SetProxyAllowed(prefs.AllowProxy); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate allow proxy: %w", err))
+	}
+
+	if err := vault.SetShowAllMail(prefs.ShowAllMail); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate show all mail: %w", err))
+	}
+
+	if err := vault.SetCookies([]byte(prefs.Cookies)); err != nil {
+		errs = multierror.Append(errs, fmt.Errorf("failed to migrate cookies: %w", err))
+	}
+
+	return errs
+}
+
+func migrateOldVersions() (allErrors error) {
+	cacheDir, cacheError := os.UserCacheDir()
+	if cacheError != nil {
+		allErrors = multierror.Append(allErrors, errors.Wrap(cacheError, "cannot get os cache"))
+		return // not need to continue for now (with more migrations might be still ok to continue)
+	}
+
+	if err := killV2AppAndRemoveV2LockFiles(filepath.Join(cacheDir, "protonmail", "bridge", "bridge.lock")); err != nil {
+		allErrors = multierror.Append(allErrors, errors.Wrap(err, "cannot migrate lockfiles"))
+	}
+
+	return
+}
+
+func killV2AppAndRemoveV2LockFiles(lockFilePathV2 string) error {
+	l := logrus.WithField("path", lockFilePathV2)
+
+	if _, err := os.Stat(lockFilePathV2); os.IsNotExist(err) {
+		l.Debug("no v2 lockfile")
+		return nil
+	}
+
+	lock, err := singleinstance.CreateLockFile(lockFilePathV2)
+
+	if err == nil {
+		l.Debug("no other v2 instance is running")
+
+		if errClose := lock.Close(); errClose != nil {
+			l.WithError(errClose).Error("Cannot close lock file")
+		}
+
+		return os.Remove(lockFilePathV2)
+	}
+
+	// The other instance is an older version, so we should kill it.
+	pid, err := getPID(lockFilePathV2)
+	if err != nil {
+		return errors.Wrap(err, "cannot get v2 pid")
+	}
+
+	if err := killPID(pid); err != nil {
+		return errors.Wrapf(err, "cannot kill v2 app (PID %d)", pid)
+	}
+
+	// Need to wait some time to release file lock
+	time.Sleep(time.Second)
+
+	return nil
+}
+
+func getPID(lockFilePath string) (int, error) {
+	file, err := os.Open(filepath.Clean(lockFilePath))
+	if err != nil {
+		return 0, err
+	}
+	defer func() { _ = file.Close() }()
+
+	rawPID := make([]byte, 10) // PID is probably up to 7 digits long, 10 should be enough
+	n, err := file.Read(rawPID)
+	if err != nil {
+		return 0, err
+	}
+
+	return strconv.Atoi(strings.TrimSpace(string(rawPID[:n])))
+}
+
+func killPID(pid int) error {
+	p, err := os.FindProcess(pid)
+	if err != nil {
+		return err
+	}
+
+	return p.Kill()
+}

internal/app/migration_test.go

@@ -0,0 +1,230 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package app
+
+import (
+	"net/http/cookiejar"
+	"net/url"
+	"os"
+	"path/filepath"
+	"runtime"
+	"testing"
+
+	"github.com/ProtonMail/gluon/async"
+	"github.com/ProtonMail/gopenpgp/v2/crypto"
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/v3/internal/cookies"
+	"github.com/ProtonMail/proton-bridge/v3/internal/legacy/credentials"
+	"github.com/ProtonMail/proton-bridge/v3/internal/locations"
+	"github.com/ProtonMail/proton-bridge/v3/internal/updater"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/ProtonMail/proton-bridge/v3/pkg/algo"
+	"github.com/ProtonMail/proton-bridge/v3/pkg/keychain"
+	dockerCredentials "github.com/docker/docker-credential-helpers/credentials"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMigratePrefsToVaultWithKeys(t *testing.T) {
+	// Create a new vault.
+	vault, corrupt, err := vault.New(t.TempDir(), t.TempDir(), []byte("my secret key"), async.NoopPanicHandler{})
+	require.NoError(t, err)
+	require.False(t, corrupt)
+
+	// load the old prefs file.
+	configDir := filepath.Join("testdata", "with_keys")
+
+	// Migrate the old prefs file to the new vault.
+	require.NoError(t, migrateOldSettingsWithDir(configDir, vault))
+
+	// Check Json Settings
+	validateJSONPrefs(t, vault)
+
+	cert, key := vault.GetBridgeTLSCert()
+	// Check the keys were found and collected.
+	require.Equal(t, "-----BEGIN CERTIFICATE-----", string(cert))
+	require.Equal(t, "-----BEGIN RSA PRIVATE KEY-----", string(key))
+}
+
+func TestMigratePrefsToVaultWithoutKeys(t *testing.T) {
+	// Create a new vault.
+	vault, corrupt, err := vault.New(t.TempDir(), t.TempDir(), []byte("my secret key"), async.NoopPanicHandler{})
+	require.NoError(t, err)
+	require.False(t, corrupt)
+
+	// load the old prefs file.
+	configDir := filepath.Join("testdata", "without_keys")
+
+	// Migrate the old prefs file to the new vault.
+	require.NoError(t, migrateOldSettingsWithDir(configDir, vault))
+
+	// Migrate the old prefs file to the new vault.
+	require.NoError(t, migrateOldSettingsWithDir(configDir, vault))
+
+	// Check Json Settings
+	validateJSONPrefs(t, vault)
+
+	// Check the keys were found and collected.
+	cert, key := vault.GetBridgeTLSCert()
+	require.NotEqual(t, []byte("-----BEGIN CERTIFICATE-----"), cert)
+	require.NotEqual(t, []byte("-----BEGIN RSA PRIVATE KEY-----"), key)
+}
+
+func TestKeychainMigration(t *testing.T) {
+	// Migration tested only for linux.
+	if runtime.GOOS != "linux" {
+		return
+	}
+
+	tmpDir := t.TempDir()
+
+	// Prepare for keychain migration test
+	{
+		require.NoError(t, os.Setenv("XDG_CONFIG_HOME", tmpDir))
+		oldCacheDir := filepath.Join(tmpDir, "protonmail", "bridge")
+		require.NoError(t, os.MkdirAll(oldCacheDir, 0o700))
+
+		oldPrefs, err := os.ReadFile(filepath.Join("testdata", "without_keys", "protonmail", "bridge", "prefs.json"))
+		require.NoError(t, err)
+
+		require.NoError(t, os.WriteFile(
+			filepath.Join(oldCacheDir, "prefs.json"),
+			oldPrefs, 0o600,
+		))
+	}
+
+	locations := locations.New(bridge.NewTestLocationsProvider(tmpDir), "config-name")
+	settingsFolder, err := locations.ProvideSettingsPath()
+	require.NoError(t, err)
+
+	// Check that there is nothing yet
+	keychainName, err := vault.GetHelper(settingsFolder)
+	require.NoError(t, err)
+	require.Equal(t, "", keychainName)
+
+	// Check migration
+	require.NoError(t, migrateKeychainHelper(locations))
+	keychainName, err = vault.GetHelper(settingsFolder)
+	require.NoError(t, err)
+	require.Equal(t, "secret-service", keychainName)
+
+	// Change the migrated value
+	require.NoError(t, vault.SetHelper(settingsFolder, "different"))
+
+	// Calling migration again will not overwrite existing prefs
+	require.NoError(t, migrateKeychainHelper(locations))
+	keychainName, err = vault.GetHelper(settingsFolder)
+	require.NoError(t, err)
+	require.Equal(t, "different", keychainName)
+}
+
+func TestUserMigration(t *testing.T) {
+	keychainHelper := keychain.NewTestHelper()
+
+	keychain.Helpers["mock"] = func(string) (dockerCredentials.Helper, error) { return keychainHelper, nil }
+
+	kc, err := keychain.NewKeychain("mock", "bridge")
+	require.NoError(t, err)
+
+	require.NoError(t, kc.Put("brokenID", "broken"))
+	require.NoError(t, kc.Put(
+		"emptyID",
+		(&credentials.Credentials{}).Marshal(),
+	))
+
+	wantUID := "uidtoken"
+	wantRefresh := "refreshtoken"
+
+	wantCredentials := credentials.Credentials{
+		UserID:                "validID",
+		Name:                  "user@pm.me",
+		Emails:                "user@pm.me;alias@pm.me",
+		APIToken:              wantUID + ":" + wantRefresh,
+		MailboxPassword:       []byte("secret"),
+		BridgePassword:        "bElu2Q1Vusy28J3Wf56cIg",
+		Version:               "v2.3.X",
+		Timestamp:             100,
+		IsCombinedAddressMode: true,
+	}
+	require.NoError(t, kc.Put(
+		wantCredentials.UserID,
+		wantCredentials.Marshal(),
+	))
+
+	tmpDir := t.TempDir()
+	locations := locations.New(bridge.NewTestLocationsProvider(tmpDir), "config-name")
+	settingsFolder, err := locations.ProvideSettingsPath()
+	require.NoError(t, err)
+	require.NoError(t, vault.SetHelper(settingsFolder, "mock"))
+
+	token, err := crypto.RandomToken(32)
+	require.NoError(t, err)
+
+	v, corrupt, err := vault.New(settingsFolder, settingsFolder, token, async.NoopPanicHandler{})
+	require.NoError(t, err)
+	require.False(t, corrupt)
+
+	require.NoError(t, migrateOldAccounts(locations, v))
+	require.Equal(t, []string{wantCredentials.UserID}, v.GetUserIDs())
+
+	require.NoError(t, v.GetUser(wantCredentials.UserID, func(u *vault.User) {
+		require.Equal(t, wantCredentials.UserID, u.UserID())
+		require.Equal(t, wantUID, u.AuthUID())
+		require.Equal(t, wantRefresh, u.AuthRef())
+		require.Equal(t, wantCredentials.MailboxPassword, u.KeyPass())
+		require.Equal(t,
+			[]byte(wantCredentials.BridgePassword),
+			algo.B64RawEncode(u.BridgePass()),
+		)
+		require.Equal(t, vault.CombinedMode, u.AddressMode())
+	}))
+}
+
+func validateJSONPrefs(t *testing.T, vault *vault.Vault) {
+	// Check that the IMAP and SMTP prefs are migrated.
+	require.Equal(t, 2143, vault.GetIMAPPort())
+	require.Equal(t, 2025, vault.GetSMTPPort())
+	require.True(t, vault.GetSMTPSSL())
+
+	// Check that the update channel is migrated.
+	require.True(t, vault.GetAutoUpdate())
+	require.Equal(t, updater.EarlyChannel, vault.GetUpdateChannel())
+	require.Equal(t, 0.4849529004202015, vault.GetUpdateRollout())
+
+	// Check that the app settings have been migrated.
+	require.False(t, vault.GetFirstStart())
+	require.Equal(t, "blablabla", vault.GetColorScheme())
+	require.Equal(t, "2.3.0+git", vault.GetLastVersion().String())
+	require.True(t, vault.GetAutostart())
+
+	// Check that the other app settings have been migrated.
+	require.False(t, vault.GetProxyAllowed())
+	require.False(t, vault.GetShowAllMail())
+
+	// Check that the cookies have been migrated.
+	jar, err := cookiejar.New(nil)
+	require.NoError(t, err)
+
+	cookies, err := cookies.NewCookieJar(jar, vault)
+	require.NoError(t, err)
+
+	url, err := url.Parse("https://api.protonmail.ch")
+	require.NoError(t, err)
+
+	// There should be a cookie for the API.
+	require.NotEmpty(t, cookies.Cookies(url))
+}

internal/app/singleinstance.go

@@ -0,0 +1,70 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+package app
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/proton-bridge/v3/internal/focus"
+	"github.com/allan-simon/go-singleinstance"
+	"github.com/sirupsen/logrus"
+)
+
+// checkSingleInstance checks if another instance of the application is already running.
+// It tries to create a lock file at the given path.
+// If it succeeds, it returns the lock file and a nil error.
+//
+// For macOS and Linux when already running version is older than this instance
+// it will kill old and continue with this new bridge (i.e. no error returned).
+func checkSingleInstance(settingPath, lockFilePath string, curVersion *semver.Version) (*os.File, error) {
+	if lock, err := singleinstance.CreateLockFile(lockFilePath); err == nil {
+		logrus.WithField("path", lockFilePath).Debug("Created lock file; no other instance is running")
+		return lock, nil
+	}
+
+	logrus.Warn("Failed to create lock file; another instance is running")
+
+	// We couldn't create the lock file, so another instance is probably running.
+	// Check if it's an older version of the app.
+	lastVersion, ok := focus.TryVersion(settingPath)
+	if !ok {
+		return nil, fmt.Errorf("failed to determine version of running instance")
+	}
+
+	if !lastVersion.LessThan(curVersion) {
+		return nil, fmt.Errorf("running instance is newer than this one")
+	}
+
+	// The other instance is an older version, so we should kill it.
+	pid, err := getPID(lockFilePath)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := killPID(pid); err != nil {
+		return nil, err
+	}
+
+	// Need to wait some time to release file lock
+	time.Sleep(time.Second)
+
+	return singleinstance.CreateLockFile(lockFilePath)
+}

internal/app/testdata/with_keys/protonmail/bridge/cert.pem

@@ -0,0 +1 @@
+-----BEGIN CERTIFICATE-----

internal/app/testdata/with_keys/protonmail/bridge/key.pem

@@ -0,0 +1 @@
+-----BEGIN RSA PRIVATE KEY-----

internal/app/testdata/with_keys/protonmail/bridge/prefs.json

@@ -0,0 +1,31 @@
+{
+	"allow_proxy": "false",
+	"attachment_workers": "16",
+	"autostart": "true",
+	"autoupdate": "true",
+	"cache_compression": "true",
+	"cache_concurrent_read": "16",
+	"cache_concurrent_write": "16",
+	"cache_enabled": "true",
+	"cache_location": "/home/user/.config/protonmail/bridge/cache/c11/messages",
+	"cache_min_free_abs": "250000000",
+	"cache_min_free_rat": "",
+	"color_scheme": "blablabla",
+	"cookies": "{\"https://api.protonmail.ch\":[{\"Name\":\"Session-Id\",\"Value\":\"blablablablablablablablabla\",\"Path\":\"/\",\"Domain\":\"protonmail.ch\",\"Expires\":\"2023-02-19T00:20:40.269424437+01:00\",\"RawExpires\":\"\",\"MaxAge\":7776000,\"Secure\":true,\"HttpOnly\":true,\"SameSite\":0,\"Raw\":\"Session-Id=blablablablablablablablabla; Domain=protonmail.ch; Path=/; HttpOnly; Secure; Max-Age=7776000\",\"Unparsed\":null},{\"Name\":\"Tag\",\"Value\":\"default\",\"Path\":\"/\",\"Domain\":\"\",\"Expires\":\"2023-02-19T00:20:40.269428627+01:00\",\"RawExpires\":\"\",\"MaxAge\":7776000,\"Secure\":true,\"HttpOnly\":false,\"SameSite\":0,\"Raw\":\"Tag=default; Path=/; Secure; Max-Age=7776000\",\"Unparsed\":null}],\"https://protonmail.com\":[{\"Name\":\"Session-Id\",\"Value\":\"blablablablablablablablabla\",\"Path\":\"/\",\"Domain\":\"protonmail.com\",\"Expires\":\"2023-02-19T00:20:18.315084712+01:00\",\"RawExpires\":\"\",\"MaxAge\":7776000,\"Secure\":true,\"HttpOnly\":true,\"SameSite\":0,\"Raw\":\"Session-Id=Y3q2Mh-ClvqL6LWeYdfyPgAAABI; Domain=protonmail.com; Path=/; HttpOnly; Secure; Max-Age=7776000\",\"Unparsed\":null},{\"Name\":\"Tag\",\"Value\":\"redirect\",\"Path\":\"/\",\"Domain\":\"\",\"Expires\":\"2023-02-19T00:20:18.315087646+01:00\",\"RawExpires\":\"\",\"MaxAge\":7776000,\"Secure\":true,\"HttpOnly\":false,\"SameSite\":0,\"Raw\":\"Tag=redirect; Path=/; Secure; Max-Age=7776000\",\"Unparsed\":null}]}",
+	"fetch_workers": "16",
+	"first_time_start": "false",
+	"first_time_start_gui": "true",
+	"imap_workers": "16",
+	"is_all_mail_visible": "false",
+	"last_heartbeat": "325",
+	"last_used_version": "2.3.0+git",
+	"preferred_keychain": "secret-service",
+	"rebranding_migrated": "true",
+	"report_outgoing_email_without_encryption": "false",
+	"rollout": "0.4849529004202015",
+	"user_port_api": "1042",
+	"update_channel": "early",
+	"user_port_imap": "2143",
+	"user_port_smtp": "2025",
+	"user_ssl_smtp": "true"
+}

internal/app/testdata/without_keys/protonmail/bridge/prefs.json

@@ -0,0 +1,31 @@
+{
+	"allow_proxy": "false",
+	"attachment_workers": "16",
+	"autostart": "true",
+	"autoupdate": "true",
+	"cache_compression": "true",
+	"cache_concurrent_read": "16",
+	"cache_concurrent_write": "16",
+	"cache_enabled": "true",
+	"cache_location": "/home/user/.config/protonmail/bridge/cache/c11/messages",
+	"cache_min_free_abs": "250000000",
+	"cache_min_free_rat": "",
+	"color_scheme": "blablabla",
+	"cookies": "{\"https://api.protonmail.ch\":[{\"Name\":\"Session-Id\",\"Value\":\"blablablablablablablablabla\",\"Path\":\"/\",\"Domain\":\"protonmail.ch\",\"Expires\":\"2023-02-19T00:20:40.269424437+01:00\",\"RawExpires\":\"\",\"MaxAge\":7776000,\"Secure\":true,\"HttpOnly\":true,\"SameSite\":0,\"Raw\":\"Session-Id=blablablablablablablablabla; Domain=protonmail.ch; Path=/; HttpOnly; Secure; Max-Age=7776000\",\"Unparsed\":null},{\"Name\":\"Tag\",\"Value\":\"default\",\"Path\":\"/\",\"Domain\":\"\",\"Expires\":\"2023-02-19T00:20:40.269428627+01:00\",\"RawExpires\":\"\",\"MaxAge\":7776000,\"Secure\":true,\"HttpOnly\":false,\"SameSite\":0,\"Raw\":\"Tag=default; Path=/; Secure; Max-Age=7776000\",\"Unparsed\":null}],\"https://protonmail.com\":[{\"Name\":\"Session-Id\",\"Value\":\"blablablablablablablablabla\",\"Path\":\"/\",\"Domain\":\"protonmail.com\",\"Expires\":\"2023-02-19T00:20:18.315084712+01:00\",\"RawExpires\":\"\",\"MaxAge\":7776000,\"Secure\":true,\"HttpOnly\":true,\"SameSite\":0,\"Raw\":\"Session-Id=Y3q2Mh-ClvqL6LWeYdfyPgAAABI; Domain=protonmail.com; Path=/; HttpOnly; Secure; Max-Age=7776000\",\"Unparsed\":null},{\"Name\":\"Tag\",\"Value\":\"redirect\",\"Path\":\"/\",\"Domain\":\"\",\"Expires\":\"2023-02-19T00:20:18.315087646+01:00\",\"RawExpires\":\"\",\"MaxAge\":7776000,\"Secure\":true,\"HttpOnly\":false,\"SameSite\":0,\"Raw\":\"Tag=redirect; Path=/; Secure; Max-Age=7776000\",\"Unparsed\":null}]}",
+	"fetch_workers": "16",
+	"first_time_start": "false",
+	"first_time_start_gui": "true",
+	"imap_workers": "16",
+	"is_all_mail_visible": "false",
+	"last_heartbeat": "325",
+	"last_used_version": "2.3.0+git",
+	"preferred_keychain": "secret-service",
+	"rebranding_migrated": "true",
+	"report_outgoing_email_without_encryption": "false",
+	"rollout": "0.4849529004202015",
+	"user_port_api": "1042",
+	"update_channel": "early",
+	"user_port_imap": "2143",
+	"user_port_smtp": "2025",
+	"user_ssl_smtp": "true"
+}

internal/app/vault.go

@@ -0,0 +1,127 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package app
+
+import (
+	"fmt"
+	"path"
+
+	"github.com/ProtonMail/gluon/async"
+	"github.com/ProtonMail/proton-bridge/v3/internal/certs"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/locations"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/ProtonMail/proton-bridge/v3/pkg/keychain"
+	"github.com/sirupsen/logrus"
+)
+
+func WithVault(locations *locations.Locations, panicHandler async.PanicHandler, fn func(*vault.Vault, bool, bool) error) error {
+	logrus.Debug("Creating vault")
+	defer logrus.Debug("Vault stopped")
+
+	// Create the encVault.
+	encVault, insecure, corrupt, err := newVault(locations, panicHandler)
+	if err != nil {
+		return fmt.Errorf("could not create vault: %w", err)
+	}
+
+	logrus.WithFields(logrus.Fields{
+		"insecure": insecure,
+		"corrupt":  corrupt,
+	}).Debug("Vault created")
+
+	// Install the certificates if needed.
+	if installed := encVault.GetCertsInstalled(); !installed {
+		logrus.Debug("Installing certificates")
+
+		certPEM, _ := encVault.GetBridgeTLSCert()
+
+		if err := certs.NewInstaller().InstallCert(certPEM); err != nil {
+			return fmt.Errorf("failed to install certs: %w", err)
+		}
+
+		if err := encVault.SetCertsInstalled(true); err != nil {
+			return fmt.Errorf("failed to set certs installed: %w", err)
+		}
+
+		logrus.Debug("Certificates successfully installed")
+	}
+
+	// GODT-1950: Add teardown actions (e.g. to close the vault).
+
+	return fn(encVault, insecure, corrupt)
+}
+
+func newVault(locations *locations.Locations, panicHandler async.PanicHandler) (*vault.Vault, bool, bool, error) {
+	vaultDir, err := locations.ProvideSettingsPath()
+	if err != nil {
+		return nil, false, false, fmt.Errorf("could not get vault dir: %w", err)
+	}
+
+	logrus.WithField("vaultDir", vaultDir).Debug("Loading vault from directory")
+
+	var (
+		vaultKey []byte
+		insecure bool
+	)
+
+	if key, err := loadVaultKey(vaultDir); err != nil {
+		logrus.WithError(err).Error("Could not load/create vault key")
+		insecure = true
+
+		// We store the insecure vault in a separate directory
+		vaultDir = path.Join(vaultDir, "insecure")
+	} else {
+		vaultKey = key
+	}
+
+	gluonCacheDir, err := locations.ProvideGluonCachePath()
+	if err != nil {
+		return nil, false, false, fmt.Errorf("could not provide gluon path: %w", err)
+	}
+
+	vault, corrupt, err := vault.New(vaultDir, gluonCacheDir, vaultKey, panicHandler)
+	if err != nil {
+		return nil, false, false, fmt.Errorf("could not create vault: %w", err)
+	}
+
+	return vault, insecure, corrupt, nil
+}
+
+func loadVaultKey(vaultDir string) ([]byte, error) {
+	helper, err := vault.GetHelper(vaultDir)
+	if err != nil {
+		return nil, fmt.Errorf("could not get keychain helper: %w", err)
+	}
+
+	kc, err := keychain.NewKeychain(helper, constants.KeyChainName)
+	if err != nil {
+		return nil, fmt.Errorf("could not create keychain: %w", err)
+	}
+
+	has, err := vault.HasVaultKey(kc)
+	if err != nil {
+		return nil, fmt.Errorf("could not check for vault key: %w", err)
+	}
+
+	if has {
+		return vault.GetVaultKey(kc)
+	}
+
+	return vault.NewVaultKey(kc)
+}

internal/bridge/api.go

@@ -0,0 +1,46 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"net/http"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gluon/async"
+	"github.com/ProtonMail/go-proton-api"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/sirupsen/logrus"
+)
+
+// defaultAPIOptions returns a set of default API options for the given parameters.
+func defaultAPIOptions(
+	apiURL string,
+	version *semver.Version,
+	cookieJar http.CookieJar,
+	transport http.RoundTripper,
+	panicHandler async.PanicHandler,
+) []proton.Option {
+	return []proton.Option{
+		proton.WithHostURL(apiURL),
+		proton.WithAppVersion(constants.AppVersion(version.Original())),
+		proton.WithCookieJar(cookieJar),
+		proton.WithTransport(transport),
+		proton.WithLogger(logrus.StandardLogger()),
+		proton.WithPanicHandler(panicHandler),
+	}
+}

internal/bridge/api_default.go

@@ -0,0 +1,39 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+//go:build !build_qa
+
+package bridge
+
+import (
+	"net/http"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gluon/async"
+	"github.com/ProtonMail/go-proton-api"
+)
+
+// newAPIOptions returns a set of API options for the given parameters.
+func newAPIOptions(
+	apiURL string,
+	version *semver.Version,
+	cookieJar http.CookieJar,
+	transport http.RoundTripper,
+	panicHandler async.PanicHandler,
+) []proton.Option {
+	return defaultAPIOptions(apiURL, version, cookieJar, transport, panicHandler)
+}

internal/bridge/api_qa.go

@@ -0,0 +1,63 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+//go:build build_qa
+
+package bridge
+
+import (
+	"crypto/tls"
+	"net/http"
+	"os"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gluon/async"
+	"github.com/ProtonMail/go-proton-api"
+)
+
+// newAPIOptions returns a set of API options for the given parameters.
+func newAPIOptions(
+	apiURL string,
+	version *semver.Version,
+	cookieJar http.CookieJar,
+	transport http.RoundTripper,
+	panicHandler async.PanicHandler,
+) []proton.Option {
+
+	if allow := os.Getenv("BRIDGE_ALLOW_PROXY"); allow != "" {
+		transport = &http.Transport{
+			Proxy:           http.ProxyFromEnvironment,
+			TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+		}
+	}
+
+	opt := defaultAPIOptions(apiURL, version, cookieJar, transport, panicHandler)
+
+	if host := os.Getenv("BRIDGE_API_HOST"); host != "" {
+		opt = append(opt, proton.WithHostURL(host))
+	}
+
+	if debug := os.Getenv("BRIDGE_API_DEBUG"); debug != "" {
+		opt = append(opt, proton.WithDebug(true))
+	}
+
+	if skipVerify := os.Getenv("BRIDGE_API_SKIP_VERIFY"); skipVerify != "" {
+		opt = append(opt, proton.WithSkipVerifyProofs())
+	}
+
+	return opt
+}

internal/bridge/bridge.go

@@ -1,152 +1,554 @@
-// Copyright (c) 2020 Proton Technologies AG
+// Copyright (c) 2023 Proton AG
 //
-// This file is part of ProtonMail Bridge.
+// This file is part of Proton Mail Bridge.
 //
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// Proton Mail 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,
+// Proton Mail 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/>.
+// along with Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// Package bridge provides core functionality of Bridge app.
+// Package bridge implements the Bridge, which acts as the backend to the UI.
 package bridge
 
 import (
-	"strconv"
+	"context"
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"sync"
 	"time"
 
-	"github.com/ProtonMail/proton-bridge/internal/metrics"
-	"github.com/ProtonMail/proton-bridge/internal/preferences"
-	"github.com/ProtonMail/proton-bridge/internal/users"
-	"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]
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gluon/async"
+	imapEvents "github.com/ProtonMail/gluon/events"
+	"github.com/ProtonMail/gluon/imap"
+	"github.com/ProtonMail/gluon/reporter"
+	"github.com/ProtonMail/gluon/watcher"
+	"github.com/ProtonMail/go-proton-api"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	"github.com/ProtonMail/proton-bridge/v3/internal/focus"
+	"github.com/ProtonMail/proton-bridge/v3/internal/safe"
+	"github.com/ProtonMail/proton-bridge/v3/internal/sentry"
+	"github.com/ProtonMail/proton-bridge/v3/internal/telemetry"
+	"github.com/ProtonMail/proton-bridge/v3/internal/user"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/bradenaw/juniper/xslices"
+	"github.com/go-resty/resty/v2"
+	"github.com/sirupsen/logrus"
 )
 
 type Bridge struct {
-	*users.Users
+	// vault holds bridge-specific data, such as preferences and known users (authorized or not).
+	vault *vault.Vault
 
-	pref          PreferenceProvider
-	clientManager users.ClientManager
+	// users holds authorized users.
+	users     map[string]*user.User
+	usersLock safe.RWMutex
 
-	userAgentClientName    string
-	userAgentClientVersion string
-	userAgentOS            string
+	// api manages user API clients.
+	api        *proton.Manager
+	proxyCtl   ProxyController
+	identifier Identifier
+
+	// tlsConfig holds the bridge TLS config used by the IMAP and SMTP servers.
+	tlsConfig *tls.Config
+
+	// imapServer is the bridge's IMAP server.
+	imapEventCh chan imapEvents.Event
+
+	// updater is the bridge's updater.
+	updater   Updater
+	installCh chan installJob
+
+	// heartbeat is the telemetry heartbeat for metrics.
+	heartbeat telemetry.Heartbeat
+
+	// curVersion is the current version of the bridge,
+	// newVersion is the version that was installed by the updater.
+	curVersion     *semver.Version
+	newVersion     *semver.Version
+	newVersionLock safe.RWMutex
+
+	// focusService is used to raise the bridge window when needed.
+	focusService *focus.Service
+
+	// autostarter is the bridge's autostarter.
+	autostarter Autostarter
+
+	// locator is the bridge's locator.
+	locator Locator
+
+	// panicHandler
+	panicHandler async.PanicHandler
+
+	// reporter
+	reporter reporter.Reporter
+
+	// watchers holds all registered event watchers.
+	watchers     []*watcher.Watcher[events.Event]
+	watchersLock sync.RWMutex
+
+	// errors contains errors encountered during startup.
+	errors []error
+
+	// These control the bridge's IMAP and SMTP logging behaviour.
+	logIMAPClient bool
+	logIMAPServer bool
+	logSMTP       bool
+
+	// These two variables keep track of the startup values for the two settings of the same name.
+	// They are updated in the vault on startup so that we're sure they're updated in case of kill/crash,
+	// but we need to keep their initial value for the current instance of bridge.
+	firstStart  bool
+	lastVersion *semver.Version
+
+	// tasks manages the bridge's goroutines.
+	tasks *async.Group
+
+	// goLoad triggers a load of disconnected users from the vault.
+	goLoad func()
+
+	// goUpdate triggers a check/install of updates.
+	goUpdate func()
+
+	// goHeartbeat triggers a check/sending if heartbeat is needed.
+	goHeartbeat func()
+
+	uidValidityGenerator imap.UIDValidityGenerator
+
+	serverManager *ServerManager
 }
 
+// New creates a new bridge.
 func New(
-	config Configer,
-	pref PreferenceProvider,
-	panicHandler users.PanicHandler,
-	eventListener listener.Listener,
-	clientManager users.ClientManager,
-	credStorer users.CredentialsStorer,
-) *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) {
-		clientManager.AllowProxy()
+	locator Locator, // the locator to provide paths to store data
+	vault *vault.Vault, // the bridge's encrypted data store
+	autostarter Autostarter, // the autostarter to manage autostart settings
+	updater Updater, // the updater to fetch and install updates
+	curVersion *semver.Version, // the current version of the bridge
+
+	apiURL string, // the URL of the API to use
+	cookieJar http.CookieJar, // the cookie jar to use
+	identifier Identifier, // the identifier to keep track of the user agent
+	tlsReporter TLSReporter, // the TLS reporter to report TLS errors
+	roundTripper http.RoundTripper, // the round tripper to use for API requests
+	proxyCtl ProxyController, // the DoH controller
+	panicHandler async.PanicHandler,
+	reporter reporter.Reporter,
+	uidValidityGenerator imap.UIDValidityGenerator,
+
+	logIMAPClient, logIMAPServer bool, // whether to log IMAP client/server activity
+	logSMTP bool, // whether to log SMTP activity
+) (*Bridge, <-chan events.Event, error) {
+	// api is the user's API manager.
+	api := proton.New(newAPIOptions(apiURL, curVersion, cookieJar, roundTripper, panicHandler)...)
+
+	// tasks holds all the bridge's background tasks.
+	tasks := async.NewGroup(context.Background(), panicHandler)
+
+	// imapEventCh forwards IMAP events from gluon instances to the bridge for processing.
+	imapEventCh := make(chan imapEvents.Event)
+
+	// bridge is the bridge.
+	bridge, err := newBridge(
+		tasks,
+		imapEventCh,
+
+		locator,
+		vault,
+		autostarter,
+		updater,
+		curVersion,
+		panicHandler,
+		reporter,
+
+		api,
+		identifier,
+		proxyCtl,
+		uidValidityGenerator,
+		logIMAPClient, logIMAPServer, logSMTP,
+	)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to create bridge: %w", err)
 	}
 
-	storeFactory := newStoreFactory(config, panicHandler, clientManager, eventListener)
-	u := users.New(config, panicHandler, eventListener, clientManager, credStorer, storeFactory, true)
-	b := &Bridge{
-		Users: u,
+	// Get an event channel for all events (individual events can be subscribed to later).
+	eventCh, _ := bridge.GetEvents()
 
-		pref:          pref,
-		clientManager: clientManager,
+	// Initialize all of bridge's background tasks and operations.
+	if err := bridge.init(tlsReporter); err != nil {
+		return nil, nil, fmt.Errorf("failed to initialize bridge: %w", err)
 	}
 
-	if pref.GetBool(preferences.FirstStartKey) {
-		b.SendMetric(metrics.New(metrics.Setup, metrics.FirstStart, metrics.Label(config.GetVersion())))
-		pref.SetBool(preferences.FirstStartKey, false)
-	}
-
-	go b.heartbeat()
-
-	return b
+	return bridge, eventCh, nil
 }
 
-// heartbeat sends a heartbeat signal once a day.
-func (b *Bridge) heartbeat() {
-	ticker := time.NewTicker(1 * time.Minute)
+func newBridge(
+	tasks *async.Group,
+	imapEventCh chan imapEvents.Event,
 
-	for range ticker.C {
-		next, err := strconv.ParseInt(b.pref.Get(preferences.NextHeartbeatKey), 10, 64)
+	locator Locator,
+	vault *vault.Vault,
+	autostarter Autostarter,
+	updater Updater,
+	curVersion *semver.Version,
+	panicHandler async.PanicHandler,
+	reporter reporter.Reporter,
+
+	api *proton.Manager,
+	identifier Identifier,
+	proxyCtl ProxyController,
+	uidValidityGenerator imap.UIDValidityGenerator,
+
+	logIMAPClient, logIMAPServer, logSMTP bool,
+) (*Bridge, error) {
+	tlsConfig, err := loadTLSConfig(vault)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load TLS config: %w", err)
+	}
+
+	firstStart := vault.GetFirstStart()
+	if err := vault.SetFirstStart(false); err != nil {
+		return nil, fmt.Errorf("failed to save first start indicator: %w", err)
+	}
+
+	lastVersion := vault.GetLastVersion()
+	if err := vault.SetLastVersion(curVersion); err != nil {
+		return nil, fmt.Errorf("failed to save last version indicator: %w", err)
+	}
+
+	identifier.SetClientString(vault.GetLastUserAgent())
+
+	focusService, err := focus.NewService(locator, curVersion, panicHandler)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create focus service: %w", err)
+	}
+
+	bridge := &Bridge{
+		vault: vault,
+
+		users:     make(map[string]*user.User),
+		usersLock: safe.NewRWMutex(),
+
+		api:        api,
+		proxyCtl:   proxyCtl,
+		identifier: identifier,
+
+		tlsConfig:   tlsConfig,
+		imapEventCh: imapEventCh,
+
+		updater:   updater,
+		installCh: make(chan installJob),
+
+		curVersion:     curVersion,
+		newVersion:     curVersion,
+		newVersionLock: safe.NewRWMutex(),
+
+		panicHandler: panicHandler,
+		reporter:     reporter,
+
+		focusService: focusService,
+		autostarter:  autostarter,
+		locator:      locator,
+
+		logIMAPClient: logIMAPClient,
+		logIMAPServer: logIMAPServer,
+		logSMTP:       logSMTP,
+
+		firstStart:  firstStart,
+		lastVersion: lastVersion,
+
+		tasks: tasks,
+
+		uidValidityGenerator: uidValidityGenerator,
+
+		serverManager: newServerManager(),
+	}
+
+	if err := bridge.serverManager.Init(bridge); err != nil {
+		return nil, err
+	}
+
+	return bridge, nil
+}
+
+func (bridge *Bridge) init(tlsReporter TLSReporter) error {
+	// Enable or disable the proxy at startup.
+	if bridge.vault.GetProxyAllowed() {
+		bridge.proxyCtl.AllowProxy()
+	} else {
+		bridge.proxyCtl.DisallowProxy()
+	}
+
+	// Handle connection up/down events.
+	bridge.api.AddStatusObserver(func(status proton.Status) {
+		logrus.Info("API status changed: ", status)
+
+		switch {
+		case status == proton.StatusUp:
+			bridge.publish(events.ConnStatusUp{})
+			bridge.tasks.Once(bridge.onStatusUp)
+
+		case status == proton.StatusDown:
+			bridge.publish(events.ConnStatusDown{})
+			bridge.tasks.Once(bridge.onStatusDown)
+		}
+	})
+
+	// If any call returns a bad version code, we need to update.
+	bridge.api.AddErrorHandler(proton.AppVersionBadCode, func() {
+		logrus.Warn("App version is bad")
+		bridge.publish(events.UpdateForced{})
+	})
+
+	// Ensure all outgoing headers have the correct user agent.
+	bridge.api.AddPreRequestHook(func(_ *resty.Client, req *resty.Request) error {
+		req.SetHeader("User-Agent", bridge.identifier.GetUserAgent())
+		return nil
+	})
+
+	// Log all manager API requests (client requests are logged separately).
+	bridge.api.AddPostRequestHook(func(_ *resty.Client, r *resty.Response) error {
+		if _, ok := proton.ClientIDFromContext(r.Request.Context()); !ok {
+			logrus.Infof("[MANAGER] %v: %v %v", r.Status(), r.Request.Method, r.Request.URL)
+		}
+
+		return nil
+	})
+
+	// Publish a TLS issue event if a TLS issue is encountered.
+	bridge.tasks.Once(func(ctx context.Context) {
+		async.RangeContext(ctx, tlsReporter.GetTLSIssueCh(), func(struct{}) {
+			logrus.Warn("TLS issue encountered")
+			bridge.publish(events.TLSIssue{})
+		})
+	})
+
+	// Publish a raise event if the focus service is called.
+	bridge.tasks.Once(func(ctx context.Context) {
+		async.RangeContext(ctx, bridge.focusService.GetRaiseCh(), func(struct{}) {
+			logrus.Info("Focus service requested raise")
+			bridge.publish(events.Raise{})
+		})
+	})
+
+	// Handle any IMAP events that are forwarded to the bridge from gluon.
+	bridge.tasks.Once(func(ctx context.Context) {
+		async.RangeContext(ctx, bridge.imapEventCh, func(event imapEvents.Event) {
+			logrus.WithField("event", fmt.Sprintf("%T", event)).Debug("Received IMAP event")
+			bridge.handleIMAPEvent(event)
+		})
+	})
+
+	// Attempt to load users from the vault when triggered.
+	bridge.goLoad = bridge.tasks.Trigger(func(ctx context.Context) {
+		if err := bridge.loadUsers(ctx); err != nil {
+			logrus.WithError(err).Error("Failed to load users")
+			if netErr := new(proton.NetError); !errors.As(err, &netErr) {
+				sentry.ReportError(bridge.reporter, "Failed to load users", err)
+			}
+			return
+		}
+
+		bridge.publish(events.AllUsersLoaded{})
+	})
+	defer bridge.goLoad()
+
+	// Check for updates when triggered.
+	bridge.goUpdate = bridge.tasks.PeriodicOrTrigger(constants.UpdateCheckInterval, 0, func(ctx context.Context) {
+		logrus.Info("Checking for updates")
+
+		version, err := bridge.updater.GetVersionInfo(ctx, bridge.api, bridge.vault.GetUpdateChannel())
 		if err != nil {
-			continue
+			bridge.publish(events.UpdateCheckFailed{Error: err})
+		} else {
+			bridge.handleUpdate(version)
 		}
-		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))
-		}
-	}
-}
+	})
+	defer bridge.goUpdate()
 
-// 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,
-	}
-
-	if err := c.Report(report); err != nil {
-		log.Error("Reporting bug failed: ", err)
-		return err
-	}
-
-	log.Info("Bug successfully reported")
+	// Install updates when available.
+	bridge.tasks.Once(func(ctx context.Context) {
+		async.RangeContext(ctx, bridge.installCh, func(job installJob) {
+			bridge.installUpdate(ctx, job)
+		})
+	})
 
 	return nil
 }
+
+// GetEvents returns a channel of events of the given type.
+// If no types are supplied, all events are returned.
+func (bridge *Bridge) GetEvents(ofType ...events.Event) (<-chan events.Event, context.CancelFunc) {
+	watcher := bridge.addWatcher(ofType...)
+
+	return watcher.GetChannel(), func() { bridge.remWatcher(watcher) }
+}
+
+func (bridge *Bridge) PushError(err error) {
+	bridge.errors = append(bridge.errors, err)
+}
+
+func (bridge *Bridge) GetErrors() []error {
+	return bridge.errors
+}
+
+func (bridge *Bridge) Close(ctx context.Context) {
+	logrus.Info("Closing bridge")
+
+	// Close the servers
+	if err := bridge.serverManager.CloseServers(ctx); err != nil {
+		logrus.WithError(err).Error("Failed to close servers")
+	}
+
+	// Close all users.
+	safe.Lock(func() {
+		for _, user := range bridge.users {
+			user.Close()
+		}
+	}, bridge.usersLock)
+
+	// Stop all ongoing tasks.
+	bridge.tasks.CancelAndWait()
+
+	// Close the focus service.
+	bridge.focusService.Close()
+
+	// Close the watchers.
+	bridge.watchersLock.Lock()
+	defer bridge.watchersLock.Unlock()
+
+	for _, watcher := range bridge.watchers {
+		watcher.Close()
+	}
+
+	bridge.watchers = nil
+}
+
+func (bridge *Bridge) publish(event events.Event) {
+	bridge.watchersLock.RLock()
+	defer bridge.watchersLock.RUnlock()
+
+	logrus.WithField("event", event).Debug("Publishing event")
+
+	for _, watcher := range bridge.watchers {
+		if watcher.IsWatching(event) {
+			if ok := watcher.Send(event); !ok {
+				logrus.WithField("event", event).Warn("Failed to send event to watcher")
+			}
+		}
+	}
+}
+
+func (bridge *Bridge) addWatcher(ofType ...events.Event) *watcher.Watcher[events.Event] {
+	bridge.watchersLock.Lock()
+	defer bridge.watchersLock.Unlock()
+
+	watcher := watcher.New(bridge.panicHandler, ofType...)
+
+	bridge.watchers = append(bridge.watchers, watcher)
+
+	return watcher
+}
+
+func (bridge *Bridge) remWatcher(watcher *watcher.Watcher[events.Event]) {
+	bridge.watchersLock.Lock()
+	defer bridge.watchersLock.Unlock()
+
+	idx := xslices.Index(bridge.watchers, watcher)
+
+	if idx < 0 {
+		return
+	}
+
+	bridge.watchers = append(bridge.watchers[:idx], bridge.watchers[idx+1:]...)
+
+	watcher.Close()
+}
+
+func (bridge *Bridge) onStatusUp(ctx context.Context) {
+	logrus.Info("Handling API status up")
+
+	safe.RLock(func() {
+		for _, user := range bridge.users {
+			user.OnStatusUp(ctx)
+		}
+	}, bridge.usersLock)
+
+	bridge.goLoad()
+}
+
+func (bridge *Bridge) onStatusDown(ctx context.Context) {
+	logrus.Info("Handling API status down")
+
+	safe.RLock(func() {
+		for _, user := range bridge.users {
+			user.OnStatusDown(ctx)
+		}
+	}, bridge.usersLock)
+
+	for backoff := time.Second; ; backoff = min(backoff*2, 30*time.Second) {
+		select {
+		case <-ctx.Done():
+			return
+
+		case <-time.After(backoff):
+			logrus.Info("Pinging API")
+
+			if err := bridge.api.Ping(ctx); err != nil {
+				logrus.WithError(err).Warn("Ping failed, API is still unreachable")
+			} else {
+				return
+			}
+		}
+	}
+}
+
+func loadTLSConfig(vault *vault.Vault) (*tls.Config, error) {
+	cert, err := tls.X509KeyPair(vault.GetBridgeTLSCert())
+	if err != nil {
+		return nil, err
+	}
+
+	return &tls.Config{
+		Certificates: []tls.Certificate{cert},
+		MinVersion:   tls.VersionTLS12,
+	}, nil
+}
+
+func newListener(port int, useTLS bool, tlsConfig *tls.Config) (net.Listener, error) {
+	if useTLS {
+		tlsListener, err := tls.Listen("tcp", fmt.Sprintf("%v:%v", constants.Host, port), tlsConfig)
+		if err != nil {
+			return nil, err
+		}
+
+		return tlsListener, nil
+	}
+
+	netListener, err := net.Listen("tcp", fmt.Sprintf("%v:%v", constants.Host, port))
+	if err != nil {
+		return nil, err
+	}
+
+	return netListener, nil
+}
+
+func min(a, b time.Duration) time.Duration {
+	if a < b {
+		return a
+	}
+
+	return b
+}

internal/bridge/bug_report.go

@@ -0,0 +1,95 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"context"
+	"io"
+
+	"github.com/ProtonMail/go-proton-api"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/logging"
+	"github.com/ProtonMail/proton-bridge/v3/internal/safe"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+)
+
+const (
+	DefaultMaxBugReportZipSize         = 7 * 1024 * 1024
+	DefaultMaxSessionCountForBugReport = 10
+)
+
+func (bridge *Bridge) ReportBug(ctx context.Context, osType, osVersion, description, username, email, client string, attachLogs bool) error {
+	var account string
+
+	if info, err := bridge.QueryUserInfo(username); err == nil {
+		account = info.Username
+	} else if userIDs := bridge.GetUserIDs(); len(userIDs) > 0 {
+		if err := bridge.vault.GetUser(userIDs[0], func(user *vault.User) {
+			account = user.Username()
+		}); err != nil {
+			return err
+		}
+	}
+
+	var attachment []proton.ReportBugAttachment
+
+	if attachLogs {
+		logsPath, err := bridge.locator.ProvideLogsPath()
+		if err != nil {
+			return err
+		}
+
+		buffer, err := logging.ZipLogsForBugReport(logsPath, DefaultMaxSessionCountForBugReport, DefaultMaxBugReportZipSize)
+		if err != nil {
+			return err
+		}
+
+		body, err := io.ReadAll(buffer)
+		if err != nil {
+			return err
+		}
+
+		attachment = append(attachment, proton.ReportBugAttachment{
+			Name:     "logs.zip",
+			Filename: "logs.zip",
+			MIMEType: "application/zip",
+			Body:     body,
+		})
+	}
+
+	safe.Lock(func() {
+		for _, user := range bridge.users {
+			user.ReportBugSent()
+		}
+	}, bridge.usersLock)
+
+	return bridge.api.ReportBug(ctx, proton.ReportBugReq{
+		OS:        osType,
+		OSVersion: osVersion,
+
+		Title:       "[Bridge] Bug",
+		Description: description,
+
+		Client:        client,
+		ClientType:    proton.ClientTypeEmail,
+		ClientVersion: constants.AppVersion(bridge.curVersion.Original()),
+
+		Username: account,
+		Email:    email,
+	}, attachment...)
+}

internal/bridge/config_status.go

@@ -0,0 +1,46 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"github.com/ProtonMail/proton-bridge/v3/internal/safe"
+)
+
+func (bridge *Bridge) ReportBugClicked() {
+	safe.Lock(func() {
+		for _, user := range bridge.users {
+			user.ReportBugClicked()
+		}
+	}, bridge.usersLock)
+}
+
+func (bridge *Bridge) AutoconfigUsed(client string) {
+	safe.Lock(func() {
+		for _, user := range bridge.users {
+			user.AutoconfigUsed(client)
+		}
+	}, bridge.usersLock)
+}
+
+func (bridge *Bridge) KBArticleOpened(article string) {
+	safe.Lock(func() {
+		for _, user := range bridge.users {
+			user.KBArticleOpened(article)
+		}
+	}, bridge.usersLock)
+}

internal/bridge/configure.go

@@ -0,0 +1,76 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"context"
+	"strings"
+
+	"github.com/ProtonMail/proton-bridge/v3/internal/clientconfig"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/logging"
+	"github.com/ProtonMail/proton-bridge/v3/internal/safe"
+	"github.com/ProtonMail/proton-bridge/v3/internal/useragent"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/sirupsen/logrus"
+)
+
+// ConfigureAppleMail configures apple mail for the given userID and address.
+// If configuring apple mail for Catalina or newer, it ensures Bridge is using SSL.
+func (bridge *Bridge) ConfigureAppleMail(ctx context.Context, userID, address string) error {
+	logrus.WithFields(logrus.Fields{
+		"userID":  userID,
+		"address": logging.Sensitive(address),
+	}).Info("Configuring Apple Mail")
+
+	return safe.RLockRet(func() error {
+		user, ok := bridge.users[userID]
+		if !ok {
+			return ErrNoSuchUser
+		}
+
+		if address == "" {
+			address = user.Emails()[0]
+		}
+
+		username := address
+		addresses := address
+
+		if user.GetAddressMode() == vault.CombinedMode {
+			username = user.Emails()[0]
+			addresses = strings.Join(user.Emails(), ",")
+		}
+
+		if useragent.IsCatalinaOrNewer() && !bridge.vault.GetSMTPSSL() {
+			if err := bridge.SetSMTPSSL(ctx, true); err != nil {
+				return err
+			}
+		}
+
+		return (&clientconfig.AppleMail{}).Configure(
+			constants.Host,
+			bridge.vault.GetIMAPPort(),
+			bridge.vault.GetSMTPPort(),
+			bridge.vault.GetIMAPSSL(),
+			bridge.vault.GetSMTPSSL(),
+			username,
+			addresses,
+			user.BridgePass(),
+		)
+	}, bridge.usersLock)
+}

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 Fri 04 Sep 2020 01:57:36 PM CEST. DO NOT EDIT.
-
-package bridge
-
-const Credits = "github.com/0xAX/notificator;github.com/abiosoft/ishell;github.com/abiosoft/readline;github.com/allan-simon/go-singleinstance;github.com/andybalholm/cascadia;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-delve/delve;github.com/golang/mock;github.com/google/go-cmp;github.com/google/uuid;github.com/gopherjs/gopherjs;github.com/go-resty/resty/v2;github.com/hashicorp/go-multierror;github.com/jameshoulahan/go-imap;github.com/jameskeane/bcrypt;github.com/jaytaylor/html2text;github.com/jhillyerd/enmime;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/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-id;github.com/ProtonMail/gopenpgp/v2;github.com/ProtonMail/go-smtp;github.com/ProtonMail/go-vcard;github.com/psampaz/go-mod-outdated;github.com/sirupsen/logrus;github.com/skratchdot/open-golang;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/debug.go

@@ -0,0 +1,297 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+
+	"github.com/ProtonMail/gluon/imap"
+	"github.com/ProtonMail/gluon/rfc822"
+	"github.com/ProtonMail/go-proton-api"
+	"github.com/ProtonMail/proton-bridge/v3/internal/user"
+	"github.com/bradenaw/juniper/iterator"
+	"github.com/bradenaw/juniper/xslices"
+	goimap "github.com/emersion/go-imap"
+	goimapclient "github.com/emersion/go-imap/client"
+	"github.com/sirupsen/logrus"
+	"golang.org/x/exp/maps"
+)
+
+type CheckClientStateResult struct {
+	MissingMessages map[string]map[string]user.DiagMailboxMessage
+}
+
+func (c *CheckClientStateResult) AddMissingMessage(userID string, message user.DiagMailboxMessage) {
+	v, ok := c.MissingMessages[userID]
+	if !ok {
+		c.MissingMessages[userID] = map[string]user.DiagMailboxMessage{message.ID: message}
+	} else {
+		v[message.ID] = message
+	}
+}
+
+// CheckClientState checks the current IMAP client reported state against the proton server state and reports
+// anything that is out of place.
+func (bridge *Bridge) CheckClientState(ctx context.Context, checkFlags bool, progressCB func(string)) (CheckClientStateResult, error) {
+	bridge.usersLock.RLock()
+	defer bridge.usersLock.RUnlock()
+
+	users := maps.Values(bridge.users)
+
+	result := CheckClientStateResult{
+		MissingMessages: make(map[string]map[string]user.DiagMailboxMessage),
+	}
+
+	for _, usr := range users {
+		if progressCB != nil {
+			progressCB(fmt.Sprintf("Checking state for user %v", usr.Name()))
+		}
+		log := logrus.WithField("user", usr.Name()).WithField("diag", "state-check")
+		log.Debug("Retrieving all server metadata")
+		meta, err := usr.GetDiagnosticMetadata(ctx)
+		if err != nil {
+			return result, err
+		}
+
+		success := true
+
+		if len(meta.Metadata) != len(meta.MessageIDs) {
+			log.Errorf("Metadata (%v) and message(%v) list sizes do not match", len(meta.Metadata), len(meta.MessageIDs))
+		}
+
+		log.Debug("Building state")
+		state, err := meta.BuildMailboxToMessageMap(usr)
+		if err != nil {
+			log.WithError(err).Error("Failed to build state")
+			return result, err
+		}
+
+		info, err := bridge.GetUserInfo(usr.ID())
+		if err != nil {
+			log.WithError(err).Error("Failed to get user info")
+			return result, err
+		}
+
+		addr := fmt.Sprintf("127.0.0.1:%v", bridge.GetIMAPPort())
+
+		for account, mboxMap := range state {
+			if progressCB != nil {
+				progressCB(fmt.Sprintf("Checking state for user %v's account '%v'", usr.Name(), account))
+			}
+			if err := func(account string, mboxMap user.AccountMailboxMap) error {
+				client, err := goimapclient.Dial(addr)
+				if err != nil {
+					log.WithError(err).Error("Failed to connect to imap client")
+					return err
+				}
+
+				defer func() {
+					_ = client.Logout()
+				}()
+
+				if err := client.Login(account, string(info.BridgePass)); err != nil {
+					return fmt.Errorf("failed to login for user %v:%w", usr.Name(), err)
+				}
+
+				log := log.WithField("account", account)
+				for mboxName, messageList := range mboxMap {
+					log := log.WithField("mbox", mboxName)
+					status, err := client.Select(mboxName, true)
+					if err != nil {
+						log.WithError(err).Errorf("Failed to select mailbox %v", messageList)
+						return fmt.Errorf("failed to select '%v':%w", mboxName, err)
+					}
+
+					log.Debug("Checking message count")
+
+					if int(status.Messages) != len(messageList) {
+						success = false
+						log.Errorf("Message count doesn't match, got '%v' expected '%v'", status.Messages, len(messageList))
+					}
+
+					ids, err := clientGetMessageIDs(client, mboxName)
+					if err != nil {
+						return fmt.Errorf("failed to get message ids for mbox '%v': %w", mboxName, err)
+					}
+
+					for _, msg := range messageList {
+						imapFlags, ok := ids[msg.ID]
+						if !ok {
+							if meta.FailedMessageIDs.Contains(msg.ID) {
+								log.Warningf("Missing message '%v', but it is part of failed message set", msg.ID)
+							} else {
+								log.Errorf("Missing message '%v'", msg.ID)
+							}
+
+							result.AddMissingMessage(msg.UserID, msg)
+							continue
+						}
+
+						if checkFlags {
+							if !imapFlags.Equals(msg.Flags) {
+								log.Errorf("Message '%v' flags do mot match, got=%v, expected=%v",
+									msg.ID,
+									imapFlags.ToSlice(),
+									msg.Flags.ToSlice(),
+								)
+							}
+						}
+					}
+				}
+
+				if !success {
+					log.Errorf("State does not match")
+				} else {
+					log.Info("State matches")
+				}
+
+				return nil
+			}(account, mboxMap); err != nil {
+				return result, err
+			}
+		}
+
+		// Check for orphaned messages (only present in All Mail)
+		if progressCB != nil {
+			progressCB(fmt.Sprintf("Checking user %v for orphans", usr.Name()))
+		}
+		log.Debugf("Checking for orphans")
+
+		for _, m := range meta.Metadata {
+			filteredLabels := xslices.Filter(m.LabelIDs, func(t string) bool {
+				switch t {
+				case proton.AllMailLabel:
+					return false
+				case proton.AllSentLabel:
+					return false
+				case proton.AllDraftsLabel:
+					return false
+				case proton.OutboxLabel:
+					return false
+				default:
+					return true
+				}
+			})
+
+			if len(filteredLabels) == 0 {
+				log.Warnf("Message %v is only present in All Mail (Subject=%v)", m.ID, m.Subject)
+			}
+		}
+	}
+
+	return result, nil
+}
+
+func (bridge *Bridge) DebugDownloadFailedMessages(
+	ctx context.Context,
+	result CheckClientStateResult,
+	exportPath string,
+	progressCB func(string, int, int),
+) error {
+	bridge.usersLock.RLock()
+	defer bridge.usersLock.RUnlock()
+
+	for userID, messages := range result.MissingMessages {
+		usr, ok := bridge.users[userID]
+		if !ok {
+			return fmt.Errorf("failed to find user with id %v", userID)
+		}
+
+		userDir := filepath.Join(exportPath, userID)
+		if err := os.MkdirAll(userDir, 0o700); err != nil {
+			return fmt.Errorf("failed to create directory '%v': %w", userDir, err)
+		}
+
+		if err := usr.DebugDownloadMessages(ctx, userDir, messages, progressCB); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func clientGetMessageIDs(client *goimapclient.Client, mailbox string) (map[string]imap.FlagSet, error) {
+	status, err := client.Select(mailbox, false)
+	if err != nil {
+		return nil, err
+	}
+
+	if status.Messages == 0 {
+		return nil, nil
+	}
+
+	resCh := make(chan *goimap.Message)
+
+	section, err := goimap.ParseBodySectionName("BODY[HEADER]")
+	if err != nil {
+		return nil, err
+	}
+
+	fetchItems := []goimap.FetchItem{"BODY[HEADER]", goimap.FetchFlags}
+
+	seq, err := goimap.ParseSeqSet("1:*")
+	if err != nil {
+		return nil, err
+	}
+
+	go func() {
+		if err := client.Fetch(
+			seq,
+			fetchItems,
+			resCh,
+		); err != nil {
+			panic(err)
+		}
+	}()
+
+	messages := iterator.Collect(iterator.Chan(resCh))
+
+	ids := make(map[string]imap.FlagSet, len(messages))
+
+	for i, m := range messages {
+		literal, err := io.ReadAll(m.GetBody(section))
+		if err != nil {
+			return nil, err
+		}
+
+		header, err := rfc822.NewHeader(literal)
+		if err != nil {
+			return nil, fmt.Errorf("failed to parse header for msg %v: %w", i, err)
+		}
+
+		internalID, ok := header.GetChecked("X-Pm-Internal-Id")
+		if !ok {
+			logrus.Errorf("Message %v does not have internal id", internalID)
+			continue
+		}
+
+		messageFlags := imap.NewFlagSet(m.Flags...)
+
+		// Recent and Deleted are not part of the proton flag set.
+		messageFlags.RemoveFromSelf("\\Recent")
+		messageFlags.RemoveFromSelf("\\Deleted")
+
+		ids[internalID] = messageFlags
+	}
+
+	return ids, nil
+}

internal/bridge/draft_test.go

@@ -0,0 +1,175 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge_test
+
+import (
+	"bytes"
+	"context"
+	"crypto/tls"
+	"fmt"
+	"io"
+	"net"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/ProtonMail/gluon/rfc822"
+	"github.com/ProtonMail/go-proton-api"
+	"github.com/ProtonMail/go-proton-api/server"
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	go_imap "github.com/emersion/go-imap"
+	"github.com/emersion/go-sasl"
+	"github.com/emersion/go-smtp"
+	"github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBridge_HandleDraftsSendFromOtherClient(t *testing.T) {
+	getGluonHeaderID := func(literal []byte) (string, string) {
+		h, err := rfc822.NewHeader(literal)
+		require.NoError(t, err)
+
+		gluonID, ok := h.GetChecked("X-Pm-Gluon-Id")
+		require.True(t, ok)
+
+		externalID, ok := h.GetChecked("Message-Id")
+		require.True(t, ok)
+
+		return gluonID, externalID
+	}
+
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		_, _, err := s.CreateUser("imap", password)
+		require.NoError(t, err)
+
+		_, _, err = s.CreateUser("bar", password)
+		require.NoError(t, err)
+
+		// The initial user should be fully synced.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(b *bridge.Bridge, _ *bridge.Mocks) {
+			waiter := waitForIMAPServerReady(b)
+			defer waiter.Done()
+
+			syncCh, done := chToType[events.Event, events.SyncFinished](b.GetEvents(events.SyncFinished{}))
+			defer done()
+
+			userID, err := b.LoginFull(ctx, "imap", password, nil, nil)
+			require.NoError(t, err)
+
+			require.Equal(t, userID, (<-syncCh).UserID)
+			waiter.Wait()
+
+			info, err := b.GetUserInfo(userID)
+			require.NoError(t, err)
+			require.True(t, info.State == bridge.Connected)
+
+			client, err := eventuallyDial(fmt.Sprintf("%v:%v", constants.Host, b.GetIMAPPort()))
+			require.NoError(t, err)
+			require.NoError(t, client.Login(info.Addresses[0], string(info.BridgePass)))
+			defer func() { _ = client.Logout() }()
+
+			// Create first draft in client.
+			literal := fmt.Sprintf(`From: %v
+To: %v
+Date: Fri, 3 Feb 2023 01:04:32 +0100
+Subject: Foo
+
+Hello
+`, info.Addresses[0], "bar@proton.local")
+
+			require.NoError(t, client.Append("Drafts", nil, time.Now(), strings.NewReader(literal)))
+			// Verify the draft is available in client.
+			require.Eventually(t, func() bool {
+				status, err := client.Status("Drafts", []go_imap.StatusItem{go_imap.StatusMessages})
+				require.NoError(t, err)
+				return status.Messages == 1
+			}, 2*time.Second, time.Second)
+
+			// Retrieve the new literal so we can have the Proton Message ID.
+			messages, err := clientFetch(client, "Drafts")
+			require.NoError(t, err)
+			require.Equal(t, 1, len(messages))
+
+			newLiteral, err := io.ReadAll(messages[0].GetBody(must(go_imap.ParseBodySectionName("BODY[]"))))
+			require.NoError(t, err)
+			logrus.Info(string(newLiteral))
+
+			newLiteralID, newLiteralExternID := getGluonHeaderID(newLiteral)
+
+			// Modify new literal.
+			newLiteralModified := append(newLiteral, []byte(" world from client2")...) //nolint:gocritic
+
+			func() {
+				smtpClient, err := smtp.Dial(net.JoinHostPort(constants.Host, fmt.Sprint(b.GetSMTPPort())))
+				require.NoError(t, err)
+				defer func() { _ = smtpClient.Close() }()
+
+				// Upgrade to TLS.
+				require.NoError(t, smtpClient.StartTLS(&tls.Config{InsecureSkipVerify: true}))
+
+				// Authorize with SASL PLAIN.
+				require.NoError(t, smtpClient.Auth(sasl.NewPlainClient(
+					info.Addresses[0],
+					info.Addresses[0],
+					string(info.BridgePass)),
+				))
+
+				// Send the message.
+				require.NoError(t, smtpClient.SendMail(
+					info.Addresses[0],
+					[]string{"bar@proton.local"},
+					bytes.NewReader(newLiteralModified),
+				))
+			}()
+
+			// Append message to Sent as the imap client would.
+			require.NoError(t, client.Append("Sent", nil, time.Now(), strings.NewReader(literal)))
+
+			// Verify the sent message gets updated with the new literal.
+			require.Eventually(t, func() bool {
+				// Check if sent message matches the latest draft.
+				messagesClient1, err := clientFetch(client, "Sent", "BODY[TEXT]", "BODY[]")
+				require.NoError(t, err)
+
+				if len(messagesClient1) != 1 {
+					return false
+				}
+
+				sentLiteral, err := io.ReadAll(messagesClient1[0].GetBody(must(go_imap.ParseBodySectionName("BODY[]"))))
+				require.NoError(t, err)
+
+				sentLiteralID, sentLiteralExternID := getGluonHeaderID(sentLiteral)
+
+				sentLiteralText, err := io.ReadAll(messagesClient1[0].GetBody(must(go_imap.ParseBodySectionName("BODY[TEXT]"))))
+				require.NoError(t, err)
+
+				sentLiteralStr := string(sentLiteralText)
+
+				literalMatches := sentLiteralStr == "Hello\r\n world from client2\r\n"
+
+				idIsDifferent := sentLiteralID != newLiteralID
+
+				externIDMatches := sentLiteralExternID == newLiteralExternID
+
+				return literalMatches && idIsDifferent && externIDMatches
+			}, 2*time.Second, time.Second)
+		})
+	}, server.WithMessageDedup())
+}

internal/bridge/errors.go

@@ -0,0 +1,33 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import "errors"
+
+var (
+	ErrVaultInsecure = errors.New("the vault is insecure")
+	ErrVaultCorrupt  = errors.New("the vault is corrupt")
+	ErrWatchUpdates  = errors.New("failed to watch for updates")
+
+	ErrNoSuchUser          = errors.New("no such user")
+	ErrUserAlreadyExists   = errors.New("user already exists")
+	ErrUserAlreadyLoggedIn = errors.New("the user is already logged in")
+	ErrNotImplemented      = errors.New("not implemented")
+
+	ErrSizeTooLarge = errors.New("file is too big")
+)

internal/bridge/files.go

@@ -0,0 +1,134 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+)
+
+func moveDir(from, to string) error {
+	entries, err := os.ReadDir(from)
+	if err != nil {
+		return err
+	}
+
+	for _, entry := range entries {
+		if entry.IsDir() {
+			if err := os.Mkdir(filepath.Join(to, entry.Name()), 0o700); err != nil {
+				return err
+			}
+
+			if err := moveDir(filepath.Join(from, entry.Name()), filepath.Join(to, entry.Name())); err != nil {
+				return err
+			}
+
+			if err := os.RemoveAll(filepath.Join(from, entry.Name())); err != nil {
+				return err
+			}
+		} else {
+			if err := moveFile(filepath.Join(from, entry.Name()), filepath.Join(to, entry.Name())); err != nil {
+				return err
+			}
+		}
+	}
+
+	return os.Remove(from)
+}
+
+func moveFile(from, to string) error {
+	if err := os.MkdirAll(filepath.Dir(to), 0o700); err != nil {
+		return err
+	}
+
+	return os.Rename(from, to)
+}
+
+func copyDir(from, to string) error {
+	entries, err := os.ReadDir(from)
+	if err != nil {
+		return err
+	}
+	if err := createIfNotExists(to, 0o700); err != nil {
+		return err
+	}
+	for _, entry := range entries {
+		sourcePath := filepath.Join(from, entry.Name())
+		destPath := filepath.Join(to, entry.Name())
+
+		if entry.IsDir() {
+			if err := copyDir(sourcePath, destPath); err != nil {
+				return err
+			}
+		} else {
+			if err := copyFile(sourcePath, destPath); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func copyFile(srcFile, dstFile string) error {
+	out, err := os.Create(filepath.Clean(dstFile))
+	defer func(out *os.File) {
+		_ = out.Close()
+	}(out)
+
+	if err != nil {
+		return err
+	}
+
+	in, err := os.Open(filepath.Clean(srcFile))
+	defer func(in *os.File) {
+		_ = in.Close()
+	}(in)
+
+	if err != nil {
+		return err
+	}
+
+	_, err = io.Copy(out, in)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func exists(filePath string) bool {
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		return false
+	}
+
+	return true
+}
+
+func createIfNotExists(dir string, perm os.FileMode) error {
+	if exists(dir) {
+		return nil
+	}
+
+	if err := os.MkdirAll(dir, perm); err != nil {
+		return fmt.Errorf("failed to create directory: '%s', error: '%s'", dir, err.Error())
+	}
+
+	return nil
+}

internal/bridge/files_test.go

@@ -0,0 +1,73 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestMoveDir(t *testing.T) {
+	from, to := t.TempDir(), t.TempDir()
+
+	// Create some files in from.
+	if err := os.WriteFile(filepath.Join(from, "a"), []byte("a"), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(from, "b"), []byte("b"), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.Mkdir(filepath.Join(from, "c"), 0o700); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(from, "c", "d"), []byte("d"), 0o600); err != nil {
+		t.Fatal(err)
+	}
+
+	// Move the files.
+	if err := moveDir(from, to); err != nil {
+		t.Fatal(err)
+	}
+
+	// Check that the files were moved.
+	if _, err := os.Stat(filepath.Join(from, "a")); !os.IsNotExist(err) {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(filepath.Join(to, "a")); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(filepath.Join(from, "b")); !os.IsNotExist(err) {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(filepath.Join(to, "b")); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(filepath.Join(from, "c")); !os.IsNotExist(err) {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(filepath.Join(to, "c")); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(filepath.Join(from, "c", "d")); !os.IsNotExist(err) {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(filepath.Join(to, "c", "d")); err != nil {
+		t.Fatal(err)
+	}
+}

internal/bridge/heartbeat.go

@@ -0,0 +1,128 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/ProtonMail/gluon/reporter"
+	"github.com/ProtonMail/proton-bridge/v3/internal/safe"
+	"github.com/ProtonMail/proton-bridge/v3/internal/telemetry"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/ProtonMail/proton-bridge/v3/pkg/keychain"
+	"github.com/sirupsen/logrus"
+)
+
+const HeartbeatCheckInterval = time.Hour
+
+func (bridge *Bridge) IsTelemetryAvailable(ctx context.Context) bool {
+	var flag = true
+	if bridge.GetTelemetryDisabled() {
+		return false
+	}
+
+	safe.RLock(func() {
+		for _, user := range bridge.users {
+			flag = flag && user.IsTelemetryEnabled(ctx)
+		}
+	}, bridge.usersLock)
+
+	return flag
+}
+
+func (bridge *Bridge) SendHeartbeat(ctx context.Context, heartbeat *telemetry.HeartbeatData) bool {
+	data, err := json.Marshal(heartbeat)
+	if err != nil {
+		if err := bridge.reporter.ReportMessageWithContext("Cannot parse heartbeat data.", reporter.Context{
+			"error": err,
+		}); err != nil {
+			logrus.WithError(err).Error("Failed to parse heartbeat data.")
+		}
+		return false
+	}
+
+	var sent = false
+
+	safe.RLock(func() {
+		for _, user := range bridge.users {
+			if err := user.SendTelemetry(ctx, data); err == nil {
+				sent = true
+				break
+			}
+		}
+	}, bridge.usersLock)
+
+	return sent
+}
+
+func (bridge *Bridge) GetLastHeartbeatSent() time.Time {
+	return bridge.vault.GetLastHeartbeatSent()
+}
+
+func (bridge *Bridge) SetLastHeartbeatSent(timestamp time.Time) error {
+	return bridge.vault.SetLastHeartbeatSent(timestamp)
+}
+
+func (bridge *Bridge) StartHeartbeat(manager telemetry.HeartbeatManager) {
+	bridge.heartbeat = telemetry.NewHeartbeat(manager, 1143, 1025, bridge.GetGluonCacheDir(), keychain.DefaultHelper)
+
+	// Check for heartbeat when triggered.
+	bridge.goHeartbeat = bridge.tasks.PeriodicOrTrigger(HeartbeatCheckInterval, 0, func(ctx context.Context) {
+		logrus.Debug("Checking for heartbeat")
+
+		bridge.heartbeat.TrySending(ctx)
+	})
+
+	bridge.heartbeat.SetRollout(bridge.GetUpdateRollout())
+	bridge.heartbeat.SetAutoStart(bridge.GetAutostart())
+	bridge.heartbeat.SetAutoUpdate(bridge.GetAutoUpdate())
+	bridge.heartbeat.SetBeta(bridge.GetUpdateChannel())
+	bridge.heartbeat.SetDoh(bridge.GetProxyAllowed())
+	bridge.heartbeat.SetShowAllMail(bridge.GetShowAllMail())
+	bridge.heartbeat.SetIMAPConnectionMode(bridge.GetIMAPSSL())
+	bridge.heartbeat.SetSMTPConnectionMode(bridge.GetSMTPSSL())
+	bridge.heartbeat.SetIMAPPort(bridge.GetIMAPPort())
+	bridge.heartbeat.SetSMTPPort(bridge.GetSMTPPort())
+	bridge.heartbeat.SetCacheLocation(bridge.GetGluonCacheDir())
+	if val, err := bridge.GetKeychainApp(); err != nil {
+		bridge.heartbeat.SetKeyChainPref(val)
+	} else {
+		bridge.heartbeat.SetKeyChainPref(keychain.DefaultHelper)
+	}
+	bridge.heartbeat.SetPrevVersion(bridge.GetLastVersion().String())
+
+	safe.RLock(func() {
+		var splitMode = false
+		for _, user := range bridge.users {
+			if user.GetAddressMode() == vault.SplitMode {
+				splitMode = true
+				break
+			}
+		}
+		var nbAccount = len(bridge.users)
+		bridge.heartbeat.SetNbAccount(nbAccount)
+		bridge.heartbeat.SetSplitMode(splitMode)
+
+		// Do not try to send if there is no user yet.
+		if nbAccount > 0 {
+			defer bridge.goHeartbeat()
+		}
+	}, bridge.usersLock)
+}

internal/bridge/identifier.go

@@ -0,0 +1,42 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import "github.com/sirupsen/logrus"
+
+func (bridge *Bridge) GetCurrentUserAgent() string {
+	return bridge.identifier.GetUserAgent()
+}
+
+func (bridge *Bridge) SetCurrentPlatform(platform string) {
+	bridge.identifier.SetPlatform(platform)
+}
+
+func (bridge *Bridge) setUserAgent(name, version string) {
+	currentUserAgent := bridge.identifier.GetClientString()
+
+	bridge.identifier.SetClient(name, version)
+
+	newUserAgent := bridge.identifier.GetClientString()
+
+	if currentUserAgent != newUserAgent {
+		if err := bridge.vault.SetLastUserAgent(newUserAgent); err != nil {
+			logrus.WithError(err).Error("Failed to write new user agent to vault")
+		}
+	}
+}

internal/bridge/imap.go

@@ -0,0 +1,199 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import (
+	"context"
+	"crypto/tls"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gluon"
+	"github.com/ProtonMail/gluon/async"
+	imapEvents "github.com/ProtonMail/gluon/events"
+	"github.com/ProtonMail/gluon/imap"
+	"github.com/ProtonMail/gluon/reporter"
+	"github.com/ProtonMail/gluon/store"
+	"github.com/ProtonMail/gluon/store/fallback_v0"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	"github.com/ProtonMail/proton-bridge/v3/internal/logging"
+	"github.com/ProtonMail/proton-bridge/v3/internal/user"
+	"github.com/ProtonMail/proton-bridge/v3/internal/useragent"
+	"github.com/sirupsen/logrus"
+)
+
+func (bridge *Bridge) restartIMAP(ctx context.Context) error {
+	return bridge.serverManager.RestartIMAP(ctx)
+}
+
+// addIMAPUser connects the given user to gluon.
+func (bridge *Bridge) addIMAPUser(ctx context.Context, user *user.User) error {
+	return bridge.serverManager.AddIMAPUser(ctx, user)
+}
+
+// removeIMAPUser disconnects the given user from gluon, optionally also removing its files.
+func (bridge *Bridge) removeIMAPUser(ctx context.Context, user *user.User, withData bool) error {
+	return bridge.serverManager.RemoveIMAPUser(ctx, user, withData)
+}
+
+func (bridge *Bridge) handleIMAPEvent(event imapEvents.Event) {
+	switch event := event.(type) {
+	case imapEvents.UserAdded:
+		for labelID, count := range event.Counts {
+			logrus.WithFields(logrus.Fields{
+				"gluonID": event.UserID,
+				"labelID": labelID,
+				"count":   count,
+			}).Info("Received mailbox message count")
+		}
+
+	case imapEvents.IMAPID:
+		logrus.WithFields(logrus.Fields{
+			"sessionID": event.SessionID,
+			"name":      event.IMAPID.Name,
+			"version":   event.IMAPID.Version,
+		}).Info("Received IMAP ID")
+
+		if event.IMAPID.Name != "" && event.IMAPID.Version != "" {
+			bridge.setUserAgent(event.IMAPID.Name, event.IMAPID.Version)
+		}
+
+	case imapEvents.LoginFailed:
+		logrus.WithFields(logrus.Fields{
+			"sessionID": event.SessionID,
+			"username":  event.Username,
+			"pkg":       "imap",
+		}).Error("Incorrect login credentials.")
+		bridge.publish(events.IMAPLoginFailed{Username: event.Username})
+
+	case imapEvents.Login:
+		if strings.Contains(bridge.GetCurrentUserAgent(), useragent.DefaultUserAgent) {
+			bridge.setUserAgent(useragent.UnknownClient, useragent.DefaultVersion)
+		}
+	}
+}
+
+func ApplyGluonCachePathSuffix(basePath string) string {
+	return filepath.Join(basePath, "backend", "store")
+}
+
+func ApplyGluonConfigPathSuffix(basePath string) string {
+	return filepath.Join(basePath, "backend", "db")
+}
+
+func newIMAPServer(
+	gluonCacheDir, gluonConfigDir string,
+	version *semver.Version,
+	tlsConfig *tls.Config,
+	reporter reporter.Reporter,
+	logClient, logServer bool,
+	eventCh chan<- imapEvents.Event,
+	tasks *async.Group,
+	uidValidityGenerator imap.UIDValidityGenerator,
+	panicHandler async.PanicHandler,
+) (*gluon.Server, error) {
+	gluonCacheDir = ApplyGluonCachePathSuffix(gluonCacheDir)
+	gluonConfigDir = ApplyGluonConfigPathSuffix(gluonConfigDir)
+
+	logrus.WithFields(logrus.Fields{
+		"gluonStore": gluonCacheDir,
+		"gluonDB":    gluonConfigDir,
+		"version":    version,
+		"logClient":  logClient,
+		"logServer":  logServer,
+	}).Info("Creating IMAP server")
+
+	if logClient || logServer {
+		log := logrus.WithField("protocol", "IMAP")
+		log.Warning("================================================")
+		log.Warning("THIS LOG WILL CONTAIN **DECRYPTED** MESSAGE DATA")
+		log.Warning("================================================")
+	}
+
+	var imapClientLog io.Writer
+
+	if logClient {
+		imapClientLog = logging.NewIMAPLogger()
+	} else {
+		imapClientLog = io.Discard
+	}
+
+	var imapServerLog io.Writer
+
+	if logServer {
+		imapServerLog = logging.NewIMAPLogger()
+	} else {
+		imapServerLog = io.Discard
+	}
+
+	imapServer, err := gluon.New(
+		gluon.WithTLS(tlsConfig),
+		gluon.WithDataDir(gluonCacheDir),
+		gluon.WithDatabaseDir(gluonConfigDir),
+		gluon.WithStoreBuilder(new(storeBuilder)),
+		gluon.WithLogger(imapClientLog, imapServerLog),
+		getGluonVersionInfo(version),
+		gluon.WithReporter(reporter),
+		gluon.WithUIDValidityGenerator(uidValidityGenerator),
+		gluon.WithPanicHandler(panicHandler),
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	tasks.Once(func(ctx context.Context) {
+		async.ForwardContext(ctx, eventCh, imapServer.AddWatcher())
+	})
+
+	tasks.Once(func(ctx context.Context) {
+		async.RangeContext(ctx, imapServer.GetErrorCh(), func(err error) {
+			logrus.WithError(err).Error("IMAP server error")
+		})
+	})
+
+	return imapServer, nil
+}
+
+func getGluonVersionInfo(version *semver.Version) gluon.Option {
+	return gluon.WithVersionInfo(
+		int(version.Major()),
+		int(version.Minor()),
+		int(version.Patch()),
+		constants.FullAppName,
+		"TODO",
+		"TODO",
+	)
+}
+
+type storeBuilder struct{}
+
+func (*storeBuilder) New(path, userID string, passphrase []byte) (store.Store, error) {
+	return store.NewOnDiskStore(
+		filepath.Join(path, userID),
+		passphrase,
+		store.WithFallback(fallback_v0.NewOnDiskStoreV0WithCompressor(&fallback_v0.GZipCompressor{})),
+	)
+}
+
+func (*storeBuilder) Delete(path, userID string) error {
+	return os.RemoveAll(filepath.Join(path, userID))
+}

internal/bridge/locations.go

@@ -0,0 +1,30 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+func (bridge *Bridge) GetLogsPath() (string, error) {
+	return bridge.locator.ProvideLogsPath()
+}
+
+func (bridge *Bridge) GetLicenseFilePath() string {
+	return bridge.locator.GetLicenseFilePath()
+}
+
+func (bridge *Bridge) GetDependencyLicensesLink() string {
+	return bridge.locator.GetDependencyLicensesLink()
+}

internal/bridge/main_test.go

@@ -0,0 +1,36 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge_test
+
+import (
+	"os"
+	"testing"
+
+	"github.com/sirupsen/logrus"
+	"go.uber.org/goleak"
+)
+
+func TestMain(m *testing.M) {
+	if level := os.Getenv("BRIDGE_LOG_LEVEL"); level != "" {
+		if parsed, err := logrus.ParseLevel(level); err == nil {
+			logrus.SetLevel(parsed)
+		}
+	}
+
+	goleak.VerifyTestMain(m, goleak.IgnoreCurrent())
+}

internal/bridge/mocks.go

@@ -0,0 +1,156 @@
+package bridge
+
+import (
+	"context"
+	"net/http"
+	"net/url"
+	"os"
+	"sync"
+	"testing"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge/mocks"
+	"github.com/ProtonMail/proton-bridge/v3/internal/updater"
+	"github.com/golang/mock/gomock"
+)
+
+type Mocks struct {
+	ProxyCtl    *mocks.MockProxyController
+	TLSReporter *mocks.MockTLSReporter
+	TLSIssueCh  chan struct{}
+
+	Updater     *TestUpdater
+	Autostarter *mocks.MockAutostarter
+
+	CrashHandler *mocks.MockPanicHandler
+	Reporter     *mocks.MockReporter
+	Heartbeat    *mocks.MockHeartbeatManager
+}
+
+func NewMocks(tb testing.TB, version, minAuto *semver.Version) *Mocks {
+	ctl := gomock.NewController(tb)
+
+	mocks := &Mocks{
+		ProxyCtl:    mocks.NewMockProxyController(ctl),
+		TLSReporter: mocks.NewMockTLSReporter(ctl),
+		TLSIssueCh:  make(chan struct{}),
+
+		Updater:     NewTestUpdater(version, minAuto),
+		Autostarter: mocks.NewMockAutostarter(ctl),
+
+		CrashHandler: mocks.NewMockPanicHandler(ctl),
+		Reporter:     mocks.NewMockReporter(ctl),
+		Heartbeat:    mocks.NewMockHeartbeatManager(ctl),
+	}
+
+	// When getting the TLS issue channel, we want to return the test channel.
+	mocks.TLSReporter.EXPECT().GetTLSIssueCh().Return(mocks.TLSIssueCh).AnyTimes()
+
+	// This is called at the end of any go-routine:
+	mocks.CrashHandler.EXPECT().HandlePanic(gomock.Any()).AnyTimes()
+
+	// this is called at start of heartbeat process.
+	mocks.Heartbeat.EXPECT().IsTelemetryAvailable(gomock.Any()).AnyTimes()
+
+	return mocks
+}
+
+func (mocks *Mocks) Close() {
+	close(mocks.TLSIssueCh)
+}
+
+type TestCookieJar struct {
+	cookies map[string][]*http.Cookie
+}
+
+func NewTestCookieJar() *TestCookieJar {
+	return &TestCookieJar{
+		cookies: make(map[string][]*http.Cookie),
+	}
+}
+
+func (j *TestCookieJar) SetCookies(u *url.URL, cookies []*http.Cookie) {
+	j.cookies[u.Host] = cookies
+}
+
+func (j *TestCookieJar) Cookies(u *url.URL) []*http.Cookie {
+	return j.cookies[u.Host]
+}
+
+type TestLocationsProvider struct {
+	config, data, cache string
+}
+
+func NewTestLocationsProvider(dir string) *TestLocationsProvider {
+	config, err := os.MkdirTemp(dir, "config")
+	if err != nil {
+		panic(err)
+	}
+
+	data, err := os.MkdirTemp(dir, "data")
+	if err != nil {
+		panic(err)
+	}
+
+	cache, err := os.MkdirTemp(dir, "cache")
+	if err != nil {
+		panic(err)
+	}
+
+	return &TestLocationsProvider{
+		config: config,
+		data:   data,
+		cache:  cache,
+	}
+}
+
+func (provider *TestLocationsProvider) UserConfig() string {
+	return provider.config
+}
+
+func (provider *TestLocationsProvider) UserData() string {
+	return provider.data
+}
+
+func (provider *TestLocationsProvider) UserCache() string {
+	return provider.cache
+}
+
+type TestUpdater struct {
+	latest updater.VersionInfo
+	lock   sync.RWMutex
+}
+
+func NewTestUpdater(version, minAuto *semver.Version) *TestUpdater {
+	return &TestUpdater{
+		latest: updater.VersionInfo{
+			Version: version,
+			MinAuto: minAuto,
+
+			RolloutProportion: 1.0,
+		},
+	}
+}
+
+func (testUpdater *TestUpdater) SetLatestVersion(version, minAuto *semver.Version) {
+	testUpdater.lock.Lock()
+	defer testUpdater.lock.Unlock()
+
+	testUpdater.latest = updater.VersionInfo{
+		Version: version,
+		MinAuto: minAuto,
+
+		RolloutProportion: 1.0,
+	}
+}
+
+func (testUpdater *TestUpdater) GetVersionInfo(_ context.Context, _ updater.Downloader, _ updater.Channel) (updater.VersionInfo, error) {
+	testUpdater.lock.RLock()
+	defer testUpdater.lock.RUnlock()
+
+	return testUpdater.latest, nil
+}
+
+func (testUpdater *TestUpdater) InstallUpdate(_ context.Context, _ updater.Downloader, _ updater.VersionInfo) error {
+	return nil
+}

internal/bridge/mocks/async_mocks.go

@@ -0,0 +1,46 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/ProtonMail/gluon/async (interfaces: PanicHandler)
+
+// Package mocks is a generated GoMock package.
+package mocks
+
+import (
+	reflect "reflect"
+
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockPanicHandler is a mock of PanicHandler interface.
+type MockPanicHandler struct {
+	ctrl     *gomock.Controller
+	recorder *MockPanicHandlerMockRecorder
+}
+
+// MockPanicHandlerMockRecorder is the mock recorder for MockPanicHandler.
+type MockPanicHandlerMockRecorder struct {
+	mock *MockPanicHandler
+}
+
+// NewMockPanicHandler creates a new mock instance.
+func NewMockPanicHandler(ctrl *gomock.Controller) *MockPanicHandler {
+	mock := &MockPanicHandler{ctrl: ctrl}
+	mock.recorder = &MockPanicHandlerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockPanicHandler) EXPECT() *MockPanicHandlerMockRecorder {
+	return m.recorder
+}
+
+// HandlePanic mocks base method.
+func (m *MockPanicHandler) HandlePanic(arg0 interface{}) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "HandlePanic", arg0)
+}
+
+// HandlePanic indicates an expected call of HandlePanic.
+func (mr *MockPanicHandlerMockRecorder) HandlePanic(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "HandlePanic", reflect.TypeOf((*MockPanicHandler)(nil).HandlePanic), arg0)
+}

internal/bridge/mocks/gluon_mocks.go

@@ -0,0 +1,90 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/ProtonMail/gluon/reporter (interfaces: Reporter)
+
+// Package mocks is a generated GoMock package.
+package mocks
+
+import (
+	reflect "reflect"
+
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockReporter is a mock of Reporter interface.
+type MockReporter struct {
+	ctrl     *gomock.Controller
+	recorder *MockReporterMockRecorder
+}
+
+// MockReporterMockRecorder is the mock recorder for MockReporter.
+type MockReporterMockRecorder struct {
+	mock *MockReporter
+}
+
+// NewMockReporter creates a new mock instance.
+func NewMockReporter(ctrl *gomock.Controller) *MockReporter {
+	mock := &MockReporter{ctrl: ctrl}
+	mock.recorder = &MockReporterMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockReporter) EXPECT() *MockReporterMockRecorder {
+	return m.recorder
+}
+
+// ReportException mocks base method.
+func (m *MockReporter) ReportException(arg0 interface{}) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ReportException", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// ReportException indicates an expected call of ReportException.
+func (mr *MockReporterMockRecorder) ReportException(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportException", reflect.TypeOf((*MockReporter)(nil).ReportException), arg0)
+}
+
+// ReportExceptionWithContext mocks base method.
+func (m *MockReporter) ReportExceptionWithContext(arg0 interface{}, arg1 map[string]interface{}) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ReportExceptionWithContext", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// ReportExceptionWithContext indicates an expected call of ReportExceptionWithContext.
+func (mr *MockReporterMockRecorder) ReportExceptionWithContext(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportExceptionWithContext", reflect.TypeOf((*MockReporter)(nil).ReportExceptionWithContext), arg0, arg1)
+}
+
+// ReportMessage mocks base method.
+func (m *MockReporter) ReportMessage(arg0 string) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ReportMessage", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// ReportMessage indicates an expected call of ReportMessage.
+func (mr *MockReporterMockRecorder) ReportMessage(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportMessage", reflect.TypeOf((*MockReporter)(nil).ReportMessage), arg0)
+}
+
+// ReportMessageWithContext mocks base method.
+func (m *MockReporter) ReportMessageWithContext(arg0 string, arg1 map[string]interface{}) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ReportMessageWithContext", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// ReportMessageWithContext indicates an expected call of ReportMessageWithContext.
+func (mr *MockReporterMockRecorder) ReportMessageWithContext(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportMessageWithContext", reflect.TypeOf((*MockReporter)(nil).ReportMessageWithContext), arg0, arg1)
+}

internal/bridge/mocks/matcher.go

@@ -0,0 +1,108 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package mocks
+
+import (
+	"strings"
+
+	"github.com/ProtonMail/go-proton-api"
+)
+
+type refreshContextMatcher struct {
+	wantRefresh proton.RefreshFlag
+}
+
+func NewRefreshContextMatcher(refreshFlag proton.RefreshFlag) *refreshContextMatcher { //nolint:revive
+	return &refreshContextMatcher{wantRefresh: refreshFlag}
+}
+
+func (m *refreshContextMatcher) Matches(x interface{}) bool {
+	context, ok := x.(map[string]interface{})
+	if !ok {
+		return false
+	}
+
+	i, ok := context["EventLoop"]
+	if !ok {
+		return false
+	}
+
+	el, ok := i.(map[string]interface{})
+	if !ok {
+		return false
+	}
+
+	vID, ok := el["EventID"]
+	if !ok {
+		return false
+	}
+
+	id, ok := vID.(string)
+	if !ok {
+		return false
+	}
+
+	if id == "" {
+		return false
+	}
+
+	vRefresh, ok := el["Refresh"]
+	if !ok {
+		return false
+	}
+
+	refresh, ok := vRefresh.(proton.RefreshFlag)
+	if !ok {
+		return false
+	}
+
+	return refresh == m.wantRefresh
+}
+
+func (m *refreshContextMatcher) String() string {
+	return `map[string]interface which contains "Refresh" field with value proton.RefreshAll`
+}
+
+type closedConnectionMatcher struct{}
+
+func NewClosedConnectionMatcher() *closedConnectionMatcher { //nolint:revive
+	return &closedConnectionMatcher{}
+}
+
+func (m *closedConnectionMatcher) Matches(x interface{}) bool {
+	context, ok := x.(map[string]interface{})
+	if !ok {
+		return false
+	}
+
+	vErr, ok := context["error"]
+	if !ok {
+		return false
+	}
+
+	err, ok := vErr.(error)
+	if !ok {
+		return false
+	}
+
+	return strings.Contains(err.Error(), "used of closed network connection")
+}
+
+func (m *closedConnectionMatcher) String() string {
+	return "map containing error of closed network connection"
+}

internal/bridge/mocks/mocks.go

@@ -0,0 +1,160 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/ProtonMail/proton-bridge/v3/internal/bridge (interfaces: TLSReporter,ProxyController,Autostarter)
+
+// Package mocks is a generated GoMock package.
+package mocks
+
+import (
+	reflect "reflect"
+
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockTLSReporter is a mock of TLSReporter interface.
+type MockTLSReporter struct {
+	ctrl     *gomock.Controller
+	recorder *MockTLSReporterMockRecorder
+}
+
+// MockTLSReporterMockRecorder is the mock recorder for MockTLSReporter.
+type MockTLSReporterMockRecorder struct {
+	mock *MockTLSReporter
+}
+
+// NewMockTLSReporter creates a new mock instance.
+func NewMockTLSReporter(ctrl *gomock.Controller) *MockTLSReporter {
+	mock := &MockTLSReporter{ctrl: ctrl}
+	mock.recorder = &MockTLSReporterMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockTLSReporter) EXPECT() *MockTLSReporterMockRecorder {
+	return m.recorder
+}
+
+// GetTLSIssueCh mocks base method.
+func (m *MockTLSReporter) GetTLSIssueCh() <-chan struct{} {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetTLSIssueCh")
+	ret0, _ := ret[0].(<-chan struct{})
+	return ret0
+}
+
+// GetTLSIssueCh indicates an expected call of GetTLSIssueCh.
+func (mr *MockTLSReporterMockRecorder) GetTLSIssueCh() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetTLSIssueCh", reflect.TypeOf((*MockTLSReporter)(nil).GetTLSIssueCh))
+}
+
+// MockProxyController is a mock of ProxyController interface.
+type MockProxyController struct {
+	ctrl     *gomock.Controller
+	recorder *MockProxyControllerMockRecorder
+}
+
+// MockProxyControllerMockRecorder is the mock recorder for MockProxyController.
+type MockProxyControllerMockRecorder struct {
+	mock *MockProxyController
+}
+
+// NewMockProxyController creates a new mock instance.
+func NewMockProxyController(ctrl *gomock.Controller) *MockProxyController {
+	mock := &MockProxyController{ctrl: ctrl}
+	mock.recorder = &MockProxyControllerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockProxyController) EXPECT() *MockProxyControllerMockRecorder {
+	return m.recorder
+}
+
+// AllowProxy mocks base method.
+func (m *MockProxyController) AllowProxy() {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "AllowProxy")
+}
+
+// AllowProxy indicates an expected call of AllowProxy.
+func (mr *MockProxyControllerMockRecorder) AllowProxy() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AllowProxy", reflect.TypeOf((*MockProxyController)(nil).AllowProxy))
+}
+
+// DisallowProxy mocks base method.
+func (m *MockProxyController) DisallowProxy() {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "DisallowProxy")
+}
+
+// DisallowProxy indicates an expected call of DisallowProxy.
+func (mr *MockProxyControllerMockRecorder) DisallowProxy() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DisallowProxy", reflect.TypeOf((*MockProxyController)(nil).DisallowProxy))
+}
+
+// MockAutostarter is a mock of Autostarter interface.
+type MockAutostarter struct {
+	ctrl     *gomock.Controller
+	recorder *MockAutostarterMockRecorder
+}
+
+// MockAutostarterMockRecorder is the mock recorder for MockAutostarter.
+type MockAutostarterMockRecorder struct {
+	mock *MockAutostarter
+}
+
+// NewMockAutostarter creates a new mock instance.
+func NewMockAutostarter(ctrl *gomock.Controller) *MockAutostarter {
+	mock := &MockAutostarter{ctrl: ctrl}
+	mock.recorder = &MockAutostarterMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockAutostarter) EXPECT() *MockAutostarterMockRecorder {
+	return m.recorder
+}
+
+// Disable mocks base method.
+func (m *MockAutostarter) Disable() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Disable")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Disable indicates an expected call of Disable.
+func (mr *MockAutostarterMockRecorder) Disable() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Disable", reflect.TypeOf((*MockAutostarter)(nil).Disable))
+}
+
+// Enable mocks base method.
+func (m *MockAutostarter) Enable() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Enable")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Enable indicates an expected call of Enable.
+func (mr *MockAutostarterMockRecorder) Enable() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Enable", reflect.TypeOf((*MockAutostarter)(nil).Enable))
+}
+
+// IsEnabled mocks base method.
+func (m *MockAutostarter) IsEnabled() bool {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "IsEnabled")
+	ret0, _ := ret[0].(bool)
+	return ret0
+}
+
+// IsEnabled indicates an expected call of IsEnabled.
+func (mr *MockAutostarterMockRecorder) IsEnabled() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "IsEnabled", reflect.TypeOf((*MockAutostarter)(nil).IsEnabled))
+}

internal/bridge/mocks/telemetry_mocks.go

@@ -0,0 +1,93 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/ProtonMail/proton-bridge/v3/internal/telemetry (interfaces: HeartbeatManager)
+
+// Package mocks is a generated GoMock package.
+package mocks
+
+import (
+	context "context"
+	reflect "reflect"
+	time "time"
+
+	telemetry "github.com/ProtonMail/proton-bridge/v3/internal/telemetry"
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockHeartbeatManager is a mock of HeartbeatManager interface.
+type MockHeartbeatManager struct {
+	ctrl     *gomock.Controller
+	recorder *MockHeartbeatManagerMockRecorder
+}
+
+// MockHeartbeatManagerMockRecorder is the mock recorder for MockHeartbeatManager.
+type MockHeartbeatManagerMockRecorder struct {
+	mock *MockHeartbeatManager
+}
+
+// NewMockHeartbeatManager creates a new mock instance.
+func NewMockHeartbeatManager(ctrl *gomock.Controller) *MockHeartbeatManager {
+	mock := &MockHeartbeatManager{ctrl: ctrl}
+	mock.recorder = &MockHeartbeatManagerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockHeartbeatManager) EXPECT() *MockHeartbeatManagerMockRecorder {
+	return m.recorder
+}
+
+// GetLastHeartbeatSent mocks base method.
+func (m *MockHeartbeatManager) GetLastHeartbeatSent() time.Time {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetLastHeartbeatSent")
+	ret0, _ := ret[0].(time.Time)
+	return ret0
+}
+
+// GetLastHeartbeatSent indicates an expected call of GetLastHeartbeatSent.
+func (mr *MockHeartbeatManagerMockRecorder) GetLastHeartbeatSent() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetLastHeartbeatSent", reflect.TypeOf((*MockHeartbeatManager)(nil).GetLastHeartbeatSent))
+}
+
+// IsTelemetryAvailable mocks base method.
+func (m *MockHeartbeatManager) IsTelemetryAvailable(arg0 context.Context) bool {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "IsTelemetryAvailable", arg0)
+	ret0, _ := ret[0].(bool)
+	return ret0
+}
+
+// IsTelemetryAvailable indicates an expected call of IsTelemetryAvailable.
+func (mr *MockHeartbeatManagerMockRecorder) IsTelemetryAvailable(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "IsTelemetryAvailable", reflect.TypeOf((*MockHeartbeatManager)(nil).IsTelemetryAvailable), arg0)
+}
+
+// SendHeartbeat mocks base method.
+func (m *MockHeartbeatManager) SendHeartbeat(arg0 context.Context, arg1 *telemetry.HeartbeatData) bool {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SendHeartbeat", arg0, arg1)
+	ret0, _ := ret[0].(bool)
+	return ret0
+}
+
+// SendHeartbeat indicates an expected call of SendHeartbeat.
+func (mr *MockHeartbeatManagerMockRecorder) SendHeartbeat(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeartbeat", reflect.TypeOf((*MockHeartbeatManager)(nil).SendHeartbeat), arg0, arg1)
+}
+
+// SetLastHeartbeatSent mocks base method.
+func (m *MockHeartbeatManager) SetLastHeartbeatSent(arg0 time.Time) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SetLastHeartbeatSent", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SetLastHeartbeatSent indicates an expected call of SetLastHeartbeatSent.
+func (mr *MockHeartbeatManagerMockRecorder) SetLastHeartbeatSent(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetLastHeartbeatSent", reflect.TypeOf((*MockHeartbeatManager)(nil).SetLastHeartbeatSent), arg0)
+}

internal/bridge/refresh_test.go

@@ -0,0 +1,113 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge_test
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/ProtonMail/go-proton-api"
+	"github.com/ProtonMail/go-proton-api/server"
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	"github.com/bradenaw/juniper/iterator"
+	"github.com/golang/mock/gomock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBridge_Refresh(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		userID, _, err := s.CreateUser("imap", password)
+		require.NoError(t, err)
+
+		names := iterator.Collect(iterator.Map(iterator.Counter(10), func(i int) string {
+			return fmt.Sprintf("folder%v", i)
+		}))
+
+		for _, name := range names {
+			must(s.CreateLabel(userID, name, "", proton.LabelTypeFolder))
+		}
+
+		// The initial user should be fully synced.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(b *bridge.Bridge, _ *bridge.Mocks) {
+			syncCh, done := chToType[events.Event, events.SyncFinished](b.GetEvents(events.SyncFinished{}))
+			defer done()
+
+			userID, err := b.LoginFull(ctx, "imap", password, nil, nil)
+			require.NoError(t, err)
+
+			require.Equal(t, userID, (<-syncCh).UserID)
+		})
+
+		var uidValidities = make(map[string]uint32, len(names))
+		// If we then connect an IMAP client, it should see all the labels with UID validity of 1.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(b *bridge.Bridge, mocks *bridge.Mocks) {
+			mocks.Reporter.EXPECT().ReportMessageWithContext(gomock.Any(), gomock.Any()).AnyTimes()
+
+			info, err := b.GetUserInfo(userID)
+			require.NoError(t, err)
+			require.True(t, info.State == bridge.Connected)
+
+			client, err := eventuallyDial(fmt.Sprintf("%v:%v", constants.Host, b.GetIMAPPort()))
+			require.NoError(t, err)
+			require.NoError(t, client.Login(info.Addresses[0], string(info.BridgePass)))
+			defer func() { _ = client.Logout() }()
+
+			for _, name := range names {
+				status, err := client.Select("Folders/"+name, false)
+				require.NoError(t, err)
+				uidValidities[name] = status.UidValidity
+			}
+		})
+
+		// Refresh the user; this will force a resync.
+		require.NoError(t, s.RefreshUser(userID, proton.RefreshAll))
+
+		// If we then connect an IMAP client, it should see all the labels with UID validity of 1.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(b *bridge.Bridge, mocks *bridge.Mocks) {
+			mocks.Reporter.EXPECT().ReportMessageWithContext(gomock.Any(), gomock.Any()).AnyTimes()
+
+			syncCh, done := chToType[events.Event, events.SyncFinished](b.GetEvents(events.SyncFinished{}))
+			defer done()
+
+			require.Equal(t, userID, (<-syncCh).UserID)
+		})
+
+		// After resync, the IMAP client should see all the labels with UID validity of 2.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(b *bridge.Bridge, mocks *bridge.Mocks) {
+			mocks.Reporter.EXPECT().ReportMessageWithContext(gomock.Any(), gomock.Any()).AnyTimes()
+
+			info, err := b.GetUserInfo(userID)
+			require.NoError(t, err)
+			require.True(t, info.State == bridge.Connected)
+
+			client, err := eventuallyDial(fmt.Sprintf("%v:%v", constants.Host, b.GetIMAPPort()))
+			require.NoError(t, err)
+			require.NoError(t, client.Login(info.Addresses[0], string(info.BridgePass)))
+			defer func() { _ = client.Logout() }()
+
+			for _, name := range names {
+				status, err := client.Select("Folders/"+name, false)
+				require.NoError(t, err)
+				require.Greater(t, status.UidValidity, uidValidities[name])
+			}
+		})
+	})
+}

internal/bridge/release_notes.go

@@ -1,31 +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 ./release-notes.sh at 'Fri 04 Sep 2020 01:57:36 PM CEST'. DO NOT EDIT.
-
-package bridge
-
-const ReleaseNotes = `• Improvements to Alternative Routing: Version two of this feature is now more resilient to unstable internet connections, which results in a smoother experience using this feature. Also includes fixes to previous implementation of Alternative Routing when first starting the application or when turning it off.
-• Email parsing improvements: Improved detection of email encodings embedded in html/xml in addition to message header; add a fallback option if encoding is not specified and decoding as UTF8 fails (ISO-8859-1) ; tweaked logic of parsing "References" header.
-• User interaction improvements: Some smaller improvements in specific cases to make the interaction with Proton Bridge clearer for the user
-• Code updates & maintenance: Migrated to GopenPGP v2, updates to GoIMAPv1, increased bbolt version to 1.3.5 and various improvements regarding extensibility and maintainability for upcoming work.
-• General stability improvements: Improvements to the behavior of the application under various unstable internet conditions.
-`
-
-const ReleaseFixedBugs = `• Fixed a slew of smaller bugs and some conditions which could cause the application to crash.
-• The full changelog can be found at https://github.com/ProtonMail/proton-bridge/blob/master/Changelog.md
-`

internal/bridge/send_test.go

@@ -0,0 +1,520 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge_test
+
+import (
+	"bytes"
+	"context"
+	"crypto/tls"
+	"fmt"
+	"net"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/ProtonMail/go-proton-api"
+	"github.com/ProtonMail/go-proton-api/server"
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	"github.com/emersion/go-imap"
+	"github.com/emersion/go-sasl"
+	"github.com/emersion/go-smtp"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBridge_Send(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		_, _, err := s.CreateUser("recipient", password)
+		require.NoError(t, err)
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, _ *bridge.Mocks) {
+			smtpWaiter := waitForSMTPServerReady(bridge)
+			defer smtpWaiter.Done()
+
+			senderUserID, err := bridge.LoginFull(ctx, username, password, nil, nil)
+			require.NoError(t, err)
+
+			recipientUserID, err := bridge.LoginFull(ctx, "recipient", password, nil, nil)
+			require.NoError(t, err)
+
+			smtpWaiter.Wait()
+
+			senderInfo, err := bridge.GetUserInfo(senderUserID)
+			require.NoError(t, err)
+
+			recipientInfo, err := bridge.GetUserInfo(recipientUserID)
+			require.NoError(t, err)
+
+			for i := 0; i < 10; i++ {
+				// Dial the server.
+				client, err := smtp.Dial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetSMTPPort())))
+				require.NoError(t, err)
+				defer client.Close() //nolint:errcheck
+
+				// Upgrade to TLS.
+				require.NoError(t, client.StartTLS(&tls.Config{InsecureSkipVerify: true}))
+
+				if i%2 == 0 {
+					// Authorize with SASL PLAIN.
+					require.NoError(t, client.Auth(sasl.NewPlainClient(
+						senderInfo.Addresses[0],
+						senderInfo.Addresses[0],
+						string(senderInfo.BridgePass)),
+					))
+				} else {
+					// Authorize with SASL LOGIN.
+					require.NoError(t, client.Auth(sasl.NewLoginClient(
+						senderInfo.Addresses[0],
+						string(senderInfo.BridgePass)),
+					))
+				}
+
+				// Send the message.
+				require.NoError(t, client.SendMail(
+					senderInfo.Addresses[0],
+					[]string{recipientInfo.Addresses[0]},
+					strings.NewReader(fmt.Sprintf("Subject: Test %v\r\n\r\nHello world!", i)),
+				))
+			}
+
+			// Connect the sender IMAP client.
+			senderIMAPClient, err := eventuallyDial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetIMAPPort())))
+			require.NoError(t, err)
+			require.NoError(t, senderIMAPClient.Login(senderInfo.Addresses[0], string(senderInfo.BridgePass)))
+			defer senderIMAPClient.Logout() //nolint:errcheck
+
+			// Connect the recipient IMAP client.
+			recipientIMAPClient, err := eventuallyDial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetIMAPPort())))
+			require.NoError(t, err)
+			require.NoError(t, recipientIMAPClient.Login(recipientInfo.Addresses[0], string(recipientInfo.BridgePass)))
+			defer recipientIMAPClient.Logout() //nolint:errcheck
+
+			// Sender should have 10 messages in the sent folder.
+			// Recipient should have 10 messages in inbox.
+			require.Eventually(t, func() bool {
+				sent, err := senderIMAPClient.Status(`Sent`, []imap.StatusItem{imap.StatusMessages})
+				require.NoError(t, err)
+
+				inbox, err := recipientIMAPClient.Status(`Inbox`, []imap.StatusItem{imap.StatusMessages})
+				require.NoError(t, err)
+
+				return sent.Messages == 10 && inbox.Messages == 10
+			}, 10*time.Second, 100*time.Millisecond)
+		})
+	})
+}
+
+func TestBridge_SendDraftFlags(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		// Create a recipient user.
+		_, _, err := s.CreateUser("recipient", password)
+		require.NoError(t, err)
+
+		// The sender should be fully synced.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, _ *bridge.Mocks) {
+			syncCh, done := chToType[events.Event, events.SyncFinished](bridge.GetEvents(events.SyncFinished{}))
+			defer done()
+
+			userID, err := bridge.LoginFull(ctx, username, password, nil, nil)
+			require.NoError(t, err)
+
+			require.Equal(t, userID, (<-syncCh).UserID)
+		})
+
+		// Start the bridge.
+		withBridgeWaitForServers(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, _ *bridge.Mocks) {
+			// Get the sender user info.
+			userInfo, err := bridge.QueryUserInfo(username)
+			require.NoError(t, err)
+
+			// Connect the sender IMAP client.
+			imapClient, err := eventuallyDial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetIMAPPort())))
+			require.NoError(t, err)
+			require.NoError(t, imapClient.Login(userInfo.Addresses[0], string(userInfo.BridgePass)))
+			defer imapClient.Logout() //nolint:errcheck
+
+			// The message to send.
+			message := fmt.Sprintf("From: %v\r\nDate: 01 Jan 1980 00:00:00 +0000\r\nSubject: Test\r\n\r\nHello world!", userInfo.Addresses[0])
+
+			// Save a draft.
+			require.NoError(t, imapClient.Append("Drafts", []string{imap.DraftFlag}, time.Now(), strings.NewReader(message)))
+
+			// Assert that the draft exists and is marked as a draft.
+			{
+				messages, err := clientFetch(imapClient, "Drafts")
+				require.NoError(t, err)
+				require.Len(t, messages, 1)
+				require.Contains(t, messages[0].Flags, imap.DraftFlag)
+			}
+
+			// Connect the SMTP client.
+			smtpClient, err := smtp.Dial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetSMTPPort())))
+			require.NoError(t, err)
+			defer smtpClient.Close() //nolint:errcheck
+
+			// Upgrade to TLS.
+			require.NoError(t, smtpClient.StartTLS(&tls.Config{InsecureSkipVerify: true}))
+
+			// Authorize with SASL PLAIN.
+			require.NoError(t, smtpClient.Auth(sasl.NewPlainClient(
+				userInfo.Addresses[0],
+				userInfo.Addresses[0],
+				string(userInfo.BridgePass)),
+			))
+
+			// Send the message.
+			require.NoError(t, smtpClient.SendMail(
+				userInfo.Addresses[0],
+				[]string{"recipient@" + s.GetDomain()},
+				strings.NewReader(message),
+			))
+
+			// Delete the draft: add the \Deleted flag and expunge.
+			{
+				status, err := imapClient.Select("Drafts", false)
+				require.NoError(t, err)
+				require.Equal(t, uint32(1), status.Messages)
+
+				// Add the \Deleted flag.
+				require.NoError(t, clientStore(imapClient, 1, 1, true, imap.FormatFlagsOp(imap.AddFlags, true), imap.DeletedFlag))
+
+				// Expunge.
+				require.NoError(t, imapClient.Expunge(nil))
+			}
+
+			// Assert that the draft is eventually gone.
+			require.Eventually(t, func() bool {
+				status, err := imapClient.Select("Drafts", false)
+				require.NoError(t, err)
+				return status.Messages == 0
+			}, 10*time.Second, 100*time.Millisecond)
+
+			// Assert that the message is eventually in the sent folder.
+			require.Eventually(t, func() bool {
+				messages, err := clientFetch(imapClient, "Sent")
+				require.NoError(t, err)
+				return len(messages) == 1
+			}, 10*time.Second, 100*time.Millisecond)
+
+			// Assert that the message is not marked as a draft.
+			{
+				messages, err := clientFetch(imapClient, "Sent")
+				require.NoError(t, err)
+				require.Len(t, messages, 1)
+				require.NotContains(t, messages[0].Flags, imap.DraftFlag)
+			}
+		})
+	})
+}
+
+func TestBridge_SendInvite(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		// Create a recipient user.
+		_, _, err := s.CreateUser("recipient", password)
+		require.NoError(t, err)
+
+		// Set "attach public keys" to true for the user.
+		withClient(ctx, t, s, username, password, func(ctx context.Context, client *proton.Client) {
+			settings, err := client.SetAttachPublicKey(ctx, proton.SetAttachPublicKeyReq{AttachPublicKey: true})
+			require.NoError(t, err)
+			require.Equal(t, proton.Bool(true), settings.AttachPublicKey)
+		})
+
+		// The sender should be fully synced.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, _ *bridge.Mocks) {
+			syncCh, done := chToType[events.Event, events.SyncFinished](bridge.GetEvents(events.SyncFinished{}))
+			defer done()
+
+			userID, err := bridge.LoginFull(ctx, username, password, nil, nil)
+			require.NoError(t, err)
+
+			require.Equal(t, userID, (<-syncCh).UserID)
+		})
+
+		// Start the bridge.
+		withBridgeWaitForServers(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, _ *bridge.Mocks) {
+			// Get the sender user info.
+			userInfo, err := bridge.QueryUserInfo(username)
+			require.NoError(t, err)
+
+			// Connect the sender IMAP client.
+			imapClient, err := eventuallyDial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetIMAPPort())))
+			require.NoError(t, err)
+			require.NoError(t, imapClient.Login(userInfo.Addresses[0], string(userInfo.BridgePass)))
+			defer imapClient.Logout() //nolint:errcheck
+
+			// The message to send.
+			b, err := os.ReadFile("testdata/invite.eml")
+			require.NoError(t, err)
+
+			// Save a draft.
+			require.NoError(t, imapClient.Append("Drafts", []string{imap.DraftFlag}, time.Now(), bytes.NewReader(b)))
+
+			// Assert that the draft exists and is marked as a draft.
+			{
+				messages, err := clientFetch(imapClient, "Drafts")
+				require.NoError(t, err)
+				require.Len(t, messages, 1)
+				require.Contains(t, messages[0].Flags, imap.DraftFlag)
+			}
+
+			// Connect the SMTP client.
+			smtpClient, err := smtp.Dial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetSMTPPort())))
+			require.NoError(t, err)
+			defer smtpClient.Close() //nolint:errcheck
+
+			// Upgrade to TLS.
+			require.NoError(t, smtpClient.StartTLS(&tls.Config{InsecureSkipVerify: true}))
+
+			// Authorize with SASL PLAIN.
+			require.NoError(t, smtpClient.Auth(sasl.NewPlainClient(
+				userInfo.Addresses[0],
+				userInfo.Addresses[0],
+				string(userInfo.BridgePass)),
+			))
+
+			// Send the message.
+			require.NoError(t, smtpClient.SendMail(
+				userInfo.Addresses[0],
+				[]string{"recipient@" + s.GetDomain()},
+				bytes.NewReader(b),
+			))
+
+			// Delete the draft: add the \Deleted flag and expunge.
+			{
+				status, err := imapClient.Select("Drafts", false)
+				require.NoError(t, err)
+				require.Equal(t, uint32(1), status.Messages)
+
+				// Add the \Deleted flag.
+				require.NoError(t, clientStore(imapClient, 1, 1, true, imap.FormatFlagsOp(imap.AddFlags, true), imap.DeletedFlag))
+
+				// Expunge.
+				require.NoError(t, imapClient.Expunge(nil))
+			}
+
+			// Assert that the draft is eventually gone.
+			require.Eventually(t, func() bool {
+				status, err := imapClient.Select("Drafts", false)
+				require.NoError(t, err)
+				return status.Messages == 0
+			}, 10*time.Second, 100*time.Millisecond)
+
+			// Assert that the message is eventually in the sent folder.
+			require.Eventually(t, func() bool {
+				messages, err := clientFetch(imapClient, "Sent")
+				require.NoError(t, err)
+				return len(messages) == 1
+			}, 10*time.Second, 100*time.Millisecond)
+
+			// Assert that the message is not marked as a draft.
+			{
+				messages, err := clientFetch(imapClient, "Sent")
+				require.NoError(t, err)
+				require.Len(t, messages, 1)
+				require.NotContains(t, messages[0].Flags, imap.DraftFlag)
+			}
+		})
+	})
+}
+
+func TestBridge_SendAddTextBodyPartIfNotExists(t *testing.T) {
+	const messageMultipartWithoutText = `Content-Type: multipart/mixed;
+  boundary="Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84"
+Subject: A new message
+Date: Mon, 13 Mar 2023 16:06:16 +0100
+
+
+--Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84
+Content-Disposition: inline;
+  filename=Cat_August_2010-4.jpeg
+Content-Type: image/jpeg;
+  name="Cat_August_2010-4.jpeg"
+Content-Transfer-Encoding: base64
+
+SGVsbG8gd29ybGQ=
+
+--Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84--
+	`
+
+	const messageMultipartWithText = `Content-Type: multipart/mixed;
+  boundary="Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84"
+Subject: A new message Part2 
+Date: Mon, 13 Mar 2023 16:06:16 +0100
+
+--Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84
+Content-Disposition: inline;
+  filename=Cat_August_2010-4.jpeg
+Content-Type: image/jpeg;
+  name="Cat_August_2010-4.jpeg"
+Content-Transfer-Encoding: base64
+
+SGVsbG8gd29ybGQ=
+
+--Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84
+Content-Type: text/html;charset=utf8
+Content-Transfer-Encoding: quoted-printable
+
+Hello world
+
+--Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84--
+`
+
+	const messageWithTextOnly = `Content-Type: text/plain;charset=utf8
+Content-Transfer-Encoding: quoted-printable
+Subject: A new message Part3
+Date: Mon, 13 Mar 2023 16:06:16 +0100
+
+Hello world
+
+`
+
+	const messageMultipartWithoutTextWithTextAttachment = `Content-Type: multipart/mixed;
+  boundary="Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84"
+Subject: A new message Part4
+Date: Mon, 13 Mar 2023 16:06:16 +0100
+
+--Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84
+Content-Type: text/plain; charset=UTF-8; name="text.txt"
+Content-Disposition: attachment; filename="text.txt"
+Content-Transfer-Encoding: base64
+
+SGVsbG8gd29ybGQK
+
+--Apple-Mail=_E7AC06C7-4EB2-4453-8CBB-80F4412A7C84--
+`
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		_, _, err := s.CreateUser("recipient", password)
+		require.NoError(t, err)
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, _ *bridge.Mocks) {
+			smtpWaiter := waitForSMTPServerReady(bridge)
+			defer smtpWaiter.Done()
+
+			senderUserID, err := bridge.LoginFull(ctx, username, password, nil, nil)
+			require.NoError(t, err)
+
+			recipientUserID, err := bridge.LoginFull(ctx, "recipient", password, nil, nil)
+			require.NoError(t, err)
+
+			senderInfo, err := bridge.GetUserInfo(senderUserID)
+			require.NoError(t, err)
+
+			recipientInfo, err := bridge.GetUserInfo(recipientUserID)
+			require.NoError(t, err)
+
+			messages := []string{
+				messageMultipartWithoutText,
+				messageMultipartWithText,
+				messageWithTextOnly,
+				messageMultipartWithoutTextWithTextAttachment,
+			}
+
+			smtpWaiter.Wait()
+
+			for _, m := range messages {
+				// Dial the server.
+				client, err := smtp.Dial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetSMTPPort())))
+				require.NoError(t, err)
+				defer client.Close() //nolint:errcheck
+
+				// Upgrade to TLS.
+				require.NoError(t, client.StartTLS(&tls.Config{InsecureSkipVerify: true}))
+
+				// Authorize with SASL LOGIN.
+				require.NoError(t, client.Auth(sasl.NewLoginClient(
+					senderInfo.Addresses[0],
+					string(senderInfo.BridgePass)),
+				))
+
+				// Send the message.
+				require.NoError(t, client.SendMail(
+					senderInfo.Addresses[0],
+					[]string{recipientInfo.Addresses[0]},
+					strings.NewReader(m),
+				))
+			}
+
+			// Connect the sender IMAP client.
+			senderIMAPClient, err := eventuallyDial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetIMAPPort())))
+			require.NoError(t, err)
+			require.NoError(t, senderIMAPClient.Login(senderInfo.Addresses[0], string(senderInfo.BridgePass)))
+			defer senderIMAPClient.Logout() //nolint:errcheck
+
+			// Connect the recipient IMAP client.
+			recipientIMAPClient, err := eventuallyDial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetIMAPPort())))
+			require.NoError(t, err)
+			require.NoError(t, recipientIMAPClient.Login(recipientInfo.Addresses[0], string(recipientInfo.BridgePass)))
+			defer recipientIMAPClient.Logout() //nolint:errcheck
+
+			require.Eventually(t, func() bool {
+				messages, err := clientFetch(senderIMAPClient, `Sent`, imap.FetchBodyStructure)
+				require.NoError(t, err)
+				require.Equal(t, 4, len(messages))
+
+				// messages may not be in order
+				for _, message := range messages {
+					switch {
+					case message.Envelope.Subject == "A new message":
+						// The message that was sent should now include an empty text/plain body part since there was none
+						// in the original message.
+						require.Equal(t, 2, len(message.BodyStructure.Parts))
+
+						require.Equal(t, "text", message.BodyStructure.Parts[0].MIMEType)
+						require.Equal(t, "plain", message.BodyStructure.Parts[0].MIMESubType)
+						require.Equal(t, uint32(0), message.BodyStructure.Parts[0].Size)
+						require.Equal(t, "image", message.BodyStructure.Parts[1].MIMEType)
+						require.Equal(t, "jpeg", message.BodyStructure.Parts[1].MIMESubType)
+
+					case message.Envelope.Subject == "A new message Part2":
+						// This message already has a text body, should be unchanged
+						require.Equal(t, 2, len(message.BodyStructure.Parts))
+
+						require.Equal(t, "image", message.BodyStructure.Parts[1].MIMEType)
+						require.Equal(t, "jpeg", message.BodyStructure.Parts[1].MIMESubType)
+						require.Equal(t, "text", message.BodyStructure.Parts[0].MIMEType)
+						require.Equal(t, "html", message.BodyStructure.Parts[0].MIMESubType)
+
+					case message.Envelope.Subject == "A new message Part3":
+						// This message already has a text body, should be unchanged
+						require.Equal(t, 0, len(message.BodyStructure.Parts))
+
+						require.Equal(t, "text", message.BodyStructure.MIMEType)
+						require.Equal(t, "plain", message.BodyStructure.MIMESubType)
+
+					case message.Envelope.Subject == "A new message Part4":
+						// The message that was sent should now include an empty text/plain body part since even though
+						// there was only a text/plain attachment in the original message.
+						require.Equal(t, 2, len(message.BodyStructure.Parts))
+
+						require.Equal(t, "text", message.BodyStructure.Parts[0].MIMEType)
+						require.Equal(t, "plain", message.BodyStructure.Parts[0].MIMESubType)
+						require.Equal(t, uint32(0), message.BodyStructure.Parts[0].Size)
+						require.Equal(t, "text", message.BodyStructure.Parts[1].MIMEType)
+						require.Equal(t, "plain", message.BodyStructure.Parts[1].MIMESubType)
+						require.Equal(t, "attachment", message.BodyStructure.Parts[1].Disposition)
+					}
+				}
+
+				return true
+			}, 10*time.Second, 100*time.Millisecond)
+		})
+	})
+}