chore: update changelog for Quebec 3.1.0.

Backported from release/perth-narrows.

.gitignore

@@ -5,11 +5,14 @@
 # Editor files
 .*.sw?
 *~
+.idea
+.vscode
 
 # Test files
 godog.test
 debug.test
 coverage.html
+gobinsec-cache*.yml
 
 # Run files
 mem.pprof
@@ -29,3 +32,12 @@ vendor-cache
 /hasher
 cmd/Desktop-Bridge/deploy
 cmd/Import-Export/deploy
+proton-bridge
+cmd/Desktop-Bridge/*.exe
+cmd/launcher/*.exe
+
+# Jetbrains (CLion, Golang) cmake build dirs
+cmake-build-*/
+
+# Doxygen doc files
+_doc/

.gitlab-ci.yml

@@ -1,144 +1,209 @@
-image: gitlab.protontech.ch:4567/go/bridge-internal:latest
+# 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: harbor.protontech.ch/docker.io/library/golang:1.18
+
+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-always:
+  rules:
+    - if: $CI_COMMIT_BRANCH || $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: always
+      allow_failure: false
+    - 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 ""
-  cache:
-    key: go-mod
-    paths:
-      - .cache
+.rules-branch-and-MR-manual:
+  rules:
+    - if: $CI_COMMIT_BRANCH ||  $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: manual
+      allow_failure: true
+    - when: never
+
+.rules-branch-manual-MR-always:
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: always
+      allow_failure: false
+    - if: $CI_COMMIT_BRANCH
+      when: manual
+      allow_failure: true
+    - when: never
+
+.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
+
+.after-script-code-coverage:
+  after_script:
+    - go get github.com/boumenot/gocover-cobertura
+    - go run github.com/boumenot/gocover-cobertura < /tmp/coverage.out > coverage.xml
+    - "go tool cover -func=/tmp/coverage.out | grep total:"
+  coverage: '/total:.*\(statements\).*\d+\.\d+%/'
+  artifacts:
+    reports:
+      coverage_report:
+        coverage_format: cobertura
+        path: coverage.xml
 
 # Stage: TEST
 
 lint:
   stage: test
-  only:
-    - branches
+  extends:
+    - .rules-branch-and-MR-always
   script:
-    - env GOMAXPROCS=$(( ${CI_TAG_CPU} / 2 )) make lint
+    - make lint
   tags:
     - medium
 
-test:
+
+.test-base:
   stage: test
-  only:
-    - branches
   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
+
+test-linux:
+  extends:
+    - .test-base
+    - .rules-branch-manual-MR-and-devel-always
+    - .after-script-code-coverage
   tags:
     - medium
 
+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
   tags:
     - large
 
-dependency-updates:
+test-integration-race:
+  extends:
+    - test-integration
+    - .rules-branch-and-MR-manual
+  script:
+    - make test-integration-race
+
+
+.windows-base:
+  before_script:
+    - export GOROOT=/c/Go1.18
+    - export PATH=$GOROOT/bin:$PATH
+    - export GOARCH=amd64
+    - export GOPATH=~/go18
+    - export GO111MODULE=on
+    - export PATH=$GOPATH/bin:$PATH
+    - export MSYSTEM=
+  tags:
+    - windows-bridge
+
+test-windows:
+  extends:
+    - .rules-branch-manual-MR-always
+    - .windows-base
   stage: test
   script:
-    - make updates
+    - make test
 
 # Stage: BUILD
 
-build-qml:
-  tags:
-    - small
-  only:
-    - branches
-  stage: build
-  artifacts:
-    name: "bridge-qml-$CI_COMMIT_SHORT_SHA"
-    expire_in: 1 day
-    paths:
-      - bridge_qml.tgz
-  script:
-    - cd internal/frontend/qml
-    - tar -cvzf ../../../bridge_qml.tgz ./*
-
 .build-base:
   stage: build
-  only:
-    - manual
+  needs: ["lint"]
+  rules:
+    # GODT-1833: use `=~ /qa/` after mac and windows runners are fixed
+    - if: $CI_JOB_NAME =~ /build-linux-qa/  && $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: always
+      allow_failure: false
+    - if: $CI_COMMIT_BRANCH || $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: manual
+      allow_failure: true
+    - when: never
+  script:
+    - make build
+    - git diff && git diff-index --quiet HEAD
+    - make vault-editor
+  artifacts:
+    expire_in: 1 day
+    when: always
+    name: "$CI_JOB_NAME-$CI_COMMIT_SHORT_SHA"
+    paths:
+      - bridge_*.tgz
+      - vault-editor
+
+
+.linux-build-setup:
+  image: gitlab.protontech.ch:4567/go/bridge-internal:qt6
+  variables:
+    VCPKG_DEFAULT_BINARY_CACHE: ${CI_PROJECT_DIR}/.cache
+  cache:
+    key: linux-vcpkg
+    paths:
+      - .cache
+    when: 'always'
   before_script:
     - mkdir -p .cache/bin
     - export PATH=$(pwd)/.cache/bin:$PATH
     - export GOPATH="$CI_PROJECT_DIR/.cache"
-  script:
-    - make build
-    - git diff && git diff-index --quiet HEAD
-  artifacts:
-    # Note: The latest artifacts for refs are locked against deletion, and kept
-    # regardless of the expiry time. Introduced in GitLab 13.0 behind a
-    # disabled feature flag, and made the default behavior in GitLab 13.4.
-    expire_in: 1 day
+    - 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
 
 build-linux:
-  extends: .build-base
-  artifacts:
-    name: "bridge-linux-$CI_COMMIT_SHORT_SHA"
-    paths:
-      - bridge_*.tgz
+  extends:
+    - .build-base
+    - .linux-build-setup
 
 build-linux-qa:
-  extends: .build-base
-  only:
-    - web
-    - branches
-  script:
-    - BUILD_TAGS="build_qa" make build
-  artifacts:
-    name: "bridge-linux-qa-$CI_COMMIT_SHORT_SHA"
-    paths:
-      - bridge_*.tgz
+  extends:
+    - build-linux
+  variables:
+    BUILD_TAGS: "build_qa"
 
-.build-darwin-base:
-  extends: .build-base
+
+.darwin-build-setup:
   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:$PATH
@@ -147,56 +212,50 @@ build-linux-qa:
     - export GOPATH=~/go
     - export PATH=$GOPATH/bin:$PATH
     - export CGO_CPPFLAGS='-Wno-error -Wno-nullability-completeness -Wno-expansion-to-defined -Wno-builtin-requires-header'
+    - $(git config --global -l | grep -o 'url.*gitlab.protontech.ch.*insteadof' | xargs -L 1 git config --global --unset &> /dev/null) || echo "nothing to remove"
+    - git config --global url.https://gitlab-ci-token:${CI_JOB_TOKEN}@${CI_SERVER_HOST}.insteadOf https://${CI_SERVER_HOST}
   cache: {}
   tags:
     - macOS
 
 build-darwin:
-  extends: .build-darwin-base
-  artifacts:
-    name: "bridge-darwin-$CI_COMMIT_SHORT_SHA"
-    paths:
-      - bridge_*.tgz
+  extends:
+    - .build-base
+    - .darwin-build-setup
 
 build-darwin-qa:
-  extends: .build-darwin-base
-  only:
-    - web
-    - branches
-  script:
-    - BUILD_TAGS="build_qa" make build
-  artifacts:
-    name: "bridge-darwin-qa-$CI_COMMIT_SHORT_SHA"
-    paths:
-      - bridge_*.tgz
+  extends:
+    - build-darwin
+  variables:
+    BUILD_TAGS: "build_qa"
 
-# Stage: MIRROR
+.windows-build-setup:
+  before_script:
+    - export GOROOT=/c/Go1.18/
+    - export PATH=$GOROOT/bin:$PATH
+    - export GOARCH=amd64
+    - export GOPATH=~/go18
+    - export GO111MODULE=on
+    - export PATH="${GOPATH}/bin:${PATH}"
+    - export MSYSTEM=
+    - export QT6DIR=/c/grrrQt/6.3.1/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}
+  cache: {}
+  tags:
+    - windows-bridge
 
-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)"
+build-windows:
+  extends:
+    - .build-base
+    - .windows-build-setup
+
+build-windows-qa:
+  extends:
+    - build-windows
+  variables:
+    BUILD_TAGS: "build_qa"
+
+# 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

@@ -3,6 +3,7 @@ run:
   timeout: 10m
   skip-dirs:
     - pkg/mime
+    - extern
 
 issues:
   exclude-use-default: false
@@ -12,15 +13,29 @@ issues:
     - 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
 
 linters-settings:
   godox:
@@ -47,7 +62,6 @@ linters:
     - 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]
     - goconst           # Finds repeated strings that could be replaced by a constant [fast: true, auto-fix: false]
@@ -56,7 +70,6 @@ linters:
     - 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]
     - 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]
@@ -106,4 +119,3 @@ linters:
     # - testpackage       # linter that makes you use a separate _test package [fast: true, auto-fix: false]
     # - thelper           # thelper detects golang test helpers without t.Helper() call and checks the consistency of test helpers [fast: false, auto-fix: false]
     # - wrapcheck         # Checks that errors returned from external packages are wrapped [fast: false, auto-fix: false]
-

BUILDS.md

@@ -1,29 +1,25 @@
-# Building ProtonMail Bridge and Import-Export app
+# Building Proton Mail Bridge
 
 ## Prerequisites
-* 64-bit OS (the go-rfc5322 module cannot currently be compiled for 32-bit OSes)
-* Go 1.13
+* 64-bit OS:
+    - the go-rfc5322 module cannot currently be compiled for 32-bit OSes
+* Go 1.18
 * 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)
+  - 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)
 
 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
-In order to build Bridge or Import-Export app with Qt interface we are using
-[Qt Go Binding](https://github.com/therecipe/qt).  The dependencies and
-installation of this tool is part of `make build` target.  If you have issues
-with installation of therecipe/qt we recommend to follow [this
-wiki](https://github.com/therecipe/qt/wiki/Installation-on-Linux)
-
-Please note that `$(go env GOPATH)/bin` must be in your `PATH` to ensure
-binaries installed by `therecipe/qt` (such as `qtdeploy`) are found. Also,
-before you start build **on Windows**, please unset the `MSYSTEM` variable
+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=
@@ -48,28 +44,17 @@ make build
 make build-nogui
 ```
 
-* Bridge without GUI will start by default without any interface (i.e., there is no way to add or remove client, get bridge password, etc)
-* Bridge always has the option (whether built with Qt or without) to use a CLI interface by starting it with the argument `-c`
-* NOTE: You still need to setup supported keychain on your system
+* 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.
 
-### Build Import-Export
-* in project root run
-
-```bash
-make build-ie
-```
-
-* 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`)
-
-### Launchers
+## 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
+## 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

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_NOTES.md

@@ -1,72 +1,143 @@
 # Copying
-Copyright (c) 2020 Proton Technologies AG
+Copyright (c) 2022 Proton AG
 
-ProtonMail Bridge is free software: you can redistribute it and/or modify it
+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, but WITHOUT ANY
+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.
+Proton Mail 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:
+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 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)
-* [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)
+<!-- 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) 
+* [go-json](https://github.com/goccy/go-json) available under [license](https://github.com/goccy/go-json/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)
+* [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) 
+* [atlas](https://ariga.io/atlas)
+* [ent](https://entgo.io/ent)
+* [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) 
+* [levenshtein](https://github.com/agext/levenshtein) available under [license](https://github.com/agext/levenshtein/blob/master/LICENSE) 
+* [cascadia](https://github.com/andybalholm/cascadia) available under [license](https://github.com/andybalholm/cascadia/blob/master/LICENSE) 
+* [go-textseg](https://github.com/apparentlymart/go-textseg/v13) available under [license](https://github.com/apparentlymart/go-textseg/v13/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) 
+* [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) 
+* [inflect](https://github.com/go-openapi/inflect) available under [license](https://github.com/go-openapi/inflect/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) 
+* [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) 
+* [hcl](https://github.com/hashicorp/hcl/v2) available under [license](https://github.com/hashicorp/hcl/v2/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) 
+* [go-wordwrap](https://github.com/mitchellh/go-wordwrap) available under [license](https://github.com/mitchellh/go-wordwrap/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) 
+* [go-cty](https://github.com/zclconf/go-cty) available under [license](https://github.com/zclconf/go-cty/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)
+gopkg.in/yaml.v3
+* [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 -->

Changelog.md

@@ -1,7 +1,715 @@
-# ProtonMail Bridge and Import-Export app Changelog
+# Proton Mail Bridge Changelog
 
 Changelog [format](http://keepachangelog.com/en/1.0.0/)
 
+## [Bridge 3.1.0] Quebec
+
+### Changed
+* GODT-2523: Use software QML rendering backend by default on Windows.
+* GODT-2500: Reorganise async methods.
+* GODT-2500: Add panic handlers everywhere.
+* GODT-2511: Add bridge-gui switches to permanently select the QML rendering backend.
+* GODT-2509: Migrate TLS cert from v1/v2 location during upgrade to v3.
+* GODT-2487: Add windows test job and worker.
+* Update GPA to include detailed error messages.
+* GODT-2479: Ensure messages always have a text body part.
+* GODT-2482: More attachment to relevant exceptions.
+* GODT-2224: Refactor bridge sync to use less memory.
+* GODT-2448: Supported Answered flag.
+* GODT-2382: Added bridge-gui settings file with 'UseSoftwareRenderer' value.
+* GODT-2411: Allow qmake executable to be named qmake6.
+* GODT-2273: Menu with "Close window" and "Quit Bridge" button in main window.
+* GODT-2261: Sync progress in GUI.
+* GODT-2385: Gluon cache fallback.
+* GODT-2366: Handle failed message updates as creates.
+* GODT-2201: Bump Gluon to use pure Go IMAP parser.
+* GODT-2374: Import TLS certs via shell.
+* GODT-2361: Bump GPA to use simple encrypter.
+* GODT-1264: Constraint on Scheduled mailbox in connector + Integration tests.
+* GODT-1264: Creation and visibility of the 'Scheduled' system label.
+* GODT-2283: Limit max import size to 30MB (bump GPA to v0.4.0).
+* GODT-2352: Only copy resource file when needed.
+* GODT-2352: Use go-build-finalize macro to build vault-editor for both mac arch.
+* GODT-2278: Properly override server_name for go.
+* GODT-2255: Randomize the focus service port.
+* GODT-2144: Handle IMAP/SMTP server errors via event stream.
+* GODT-2144: Delay IMAP/SMTP server start until all users are loaded.
+* GODT-2295: Notifications for IMAP login when signed out.
+* GODT-2278: Improve sentry logs.
+* GODT-2289: UIDValidity as Timestamp.
+
+### Fixed
+* GODT-2505: Show notification only for cases when user needs to do actions.
+* GODT-2516: Log error when the vault key cannot be created/loaded from the keychain.
+* GODT-2526: Fix high memory usage with fetch/search.
+* GODT-2514: Apply Retry-After to 503.
+* GODT-2524: Preserve old vault values.
+* GODT-2508: Handle Address Updated for none-existing address.
+* GODT-2504: Fix missing attachments in imported message.
+* GODT-2513: Scanner Crash in Gluon.
+* GODT-2512: Catch unhandled API errors.
+* GODT-2507: Memory consumption bug.
+* GODT-2497: Do not report EOF and network errors.
+* GODT-2481: Fix DBUS Secert Service.
+* GODT-2455: Upper limit for number of merged events.
+* GODT-2480: Do not override X-Original-Date with invalid Date.
+* GODT-2473: Fix handling of complex mime types.
+* GODT-2469: Fix sentry revision hash for cmake on windows.
+* GODT-2424: Sync Builder Message Split.
+* GODT-2419: Use connector.ErrOperationNotAllowed.
+* GODT-2418: Ensure child folders are updated when parent is.
+* GODT-1945: Handle disabled addresses correctly.
+* GODT-2390: Add reports for uncaught json and net.opErr.
+* GODT-2393: Improved handling of unrecoverable error.
+* GODT-2394: Bump Gluon for golang.org/x/text DoS risk.
+* GODT-2387: Ensure vault can be unlocked after factory reset.
+* GODT-2389: Close bridge on exception and add max termination wait time.
+* GODT-2201: Add missing rfc5322.CharsetReader initialization.
+* GODT-1804: Preserve MIME parameters when uploading attachments.
+* GODT-2312: Used space is properly updated.
+* GODT-2319: Seed the math/rand RNG on app startup.
+* GODT-2272: Use shorter filename for gRPC file socket.
+* GODT-2318: Remove gluon DB if label sync was incomplete.
+* GODT-2326: Only run sync after addIMAPUser().
+* GODT-2323: Fix Expunge not issued for move.
+* GODT-2224: Properly handle context cancellation during sync.
+* GODT-2328: Ignore labels that aren't part of user label set.
+* GODT-2326: Fix potential Win32 API deadlock.
+* GODT-1804: Only promote content headers if non-empty.
+* GODT-2327: Remove unnecessary sync when changing address mode.
+* GODT-2343: Only poll after send if sync is complete.
+* GODT-2336: Recover from changed address order while bridge is down.
+* GODT-2347: Prevent updates from being dropped if goroutine doesn't start fast.
+* GODT-2351: Bump GPA to properly handle net.OpError and add tests.
+* GODT-2351: Bump GPA to automatically retry on net.OpError.
+* GODT-2365: Use predictable remote ID for placeholder mailboxes.
+* GODT-2381: Unset draft flag on sent messages.
+* GODT-2380: Only set external ID in header if non-empty.
+
+
+## [Bridge 3.0.21] Perth Narrows
+
+### Added
+* GODT-2509: Migrate TLS cert from v1/v2 location during upgrade to v3.
+
+### Changed
+* GODT-2516: log error when the vault key cannot be created/loaded from the keychain.
+
+### Fixed
+* GODT-2501: Remove additional .desktop file.
+* GODT-2513: Crash in scanner.
+* GODT-2481: Fix DBUS Secert Service.
+* GODT-2512: Catch unhandled API errors.
+* GODT-2469: Fix sentry revision hash for cmake on windows.
+
+
+## [Bridge 3.0.20] Perth Narrows
+
+### Added
+* GODT-2442: Allow user to re-sync DB without logout.
+
+### Changed
+* GODT-2419: Reduce sentry reports.
+* GODT-2458: Wait for both bridge and bridge-gui to be ended before restarting on crash.
+* GODT-2457: Include address if GetPublickKeys() error message.
+* GODT-2446: Attach logs to sentry reports for relevant bridge-gui exceptions.
+* GODT-2425: Out of sync messages and read status.
+* GODT-2435: Group report exception by message if exception message looks corrupted.
+* GODT-2356: Unify sentry release description and add more context to it.
+* GODT-2357: Hide DSN_SENTRY and use single setting point for DSN_SENTRY.
+* GODT-2444: Bad event info.
+* GODT-2447: Don't assume timestamp exists in log filename.
+* GODT-2333: Do not allow modifications to All Mail label.
+* GODT-2429: Do not report context cancel to sentry.
+
+### Fixed
+* GODT-2467: elide long email adresses in 'bad event' QML notification dialog.
+* GODT-2449: fix bug in Bridge-GUI's Exception::what().
+* GODT-2427: Parsing header issues.
+* GODT-2426: Fix crash on user delete.
+* GODT-2417: Do not request gluon recovered message from API.
+
+
+## [Bridge 3.0.19] Perth Narrows
+
+### Fixed
+* GODT-2364: Wait and retry once if the gRPC service config file exists but cannot be opened.
+* GODT-2364: Added optional details to C++ exceptions.
+* GODT-2413: Use qEnvironmentVariable() instead of qgetenv().
+* GODT-2412: Don't treat context cancellation as BadEvent.
+* GODT-2404: Handle unexpected EOF.
+* GODT-2400: Allow state updates to be applied if command fails.
+* GODT-2399: Fix immediate message deletion during updates.
+* GODT-2390: Missing changes from pervious commit.
+* GODT-2390: Add reports for uncaught json and net.opErr.
+* GODT-2414: Multiple deletion bug in WriteControlledStore.
+
+
+## [Bridge 3.0.18] Perth Narrows
+
+### Fixed
+* GODT-2392: Create message if gluon updateMessage returns `no such message`.
+* GODT-2391: Create draft if missing during message update on gluon side.
+
+## [Bridge 3.0.16/17] Perth Narrows
+
+### Fixed
+* GODT-2371: Continue, not return, when handling draft.
+
+## [Bridge 3.0.15] Perth Narrows
+
+### Changed
+* GODT-2355: Improve wording and actions on bad event.
+
+### Fixed
+* GODT-2354: Report failed load users.
+* GODT-2353: Show popup only after 3.0.16.
+* GODT-2351: Bump GPA to better handle net.OpError.
+
+
+## [Bridge 3.0.14] Perth Narrows
+
+### Fixed
+* GODT-2323: Fix Expunge not issued for move.
+* GODT-2341: Handle URL error.
+* GODT-2340: Improve logging.
+* GODT-2278: Improve sentry logs.
+* GODT-2327: Sync issues when migrating DB.
+* GODT-2318: Remove gluon DB if label sync was incomplete.
+* GODT-1804: Only promote content headers if non-empty.
+* GODT-2343: Only poll after send if sync is complete.
+* GODT-2336: Recover from changed address order while bridge is down.
+
+
+
+## [Bridge 3.0.13] Perth Narrows
+
+### Fixed
+GODT-2328: Ignore labels that aren't part of user label set.
+GODT-2326: Sync issue on missing fresh DB file.
+GODT-2319: Seed the math/rand RNG on app startup.
+GODT-1804: Preserve MIME parameters when uploading attachments.
+
+
+## [Bridge 3.0.12] Perth Narrows
+
+### Added
+* GODT-2210: v3.0 splash screen.
+* GODT-1770: handle UserBadEvent in CLI and gRPC.
+
+### Changed
+* GODT-2311: Fix missing headers in re-downloaded Gluon messages.
+* GODT-1453: clicking 'Sign in' from status window now selects the right account.
+* GODT-2297: More significantly improve GPA's paging algorithm.
+* GODT-2145: Fix button spacing w/ Qt 6.4.
+* GODT-2223: Improve event handling.
+* GODT-2305: Detect missing gluon DB.
+* GODT-2291: Change gluon store default location from Cache to Data.
+* Other: Disable dialer test until badssl cert is bumbed.
+* GODT-2292: Updated BUILDS.md doc.
+* GODT-2258: suggest email as login when signing in via status window.
+* Other: Report corrupt and/or insecure vaults to sentry.
+* Other: Better user load logs.
+* GODT-2253: Restart Launcher from the gui when GUI crashes.
+* Other(test): Make All Mail copy test more robust.
+* Other(CI): Make race checks manual.
+* Other: Remove old cert/key file location handling.
+* GODT-2271: Update README with new system files path.
+
+### Fixed
+* GODT-2210: Fix splash screen always showing on CentOS and Ubuntu.
+* GODT-2296: Log error rather than fail if cannot get parent ID.
+* GODT-2266: Pause event stream while sending.
+* GODT-2266: Add test for sent message flags.
+* Other(test): Fix some more integration test placeholders.
+* GODT-2177: Use correct attachment disposition when content ID is set.
+* GODT-1556: If no references, use the in-reply-to header as ParentID.
+* Other: make GUI Tester more resilient to Bridge abrupt termination.
+* GODT-2275: fixed location of bridge-gui log files.
+* Other: Ensure SMTP debug dump works on windows.
+* Other: Fix MaxLogs off-by-one limit and bump limit to 10.
+* Other: fix path of temp folder in README.
+* Other(debug): Dump raw SMTP input to user's home dir.
+
+
+## [Bridge 3.0.11] Perth Narrows
+
+### Changed
+* GODT-2252: Recover from deleted cached messages.
+* GODT-2258: change login label and suggest email instead of username.
+* Other: Don't clean settings path on teardown.
+* Other: Bump GPA to v0.3.0.
+* Other: added user's primary email address to the vault.
+* GODT-2251: gluon store and DB separated.
+* GODT-2093: use the primary email address in the account view and status view.
+* GODT-2202: Report update errors from Gluon.
+* GODT-2229: Own the full path for gluon and do not change Database path.
+* GODT-1797: copyright notice shows a date range with the build year.
+
+### Fixed
+* GODT-2223: Handle bad events by logging user out.
+* GODT-2165: Reduce UTF8 parsing errors from TLS header input.
+* Others: chores fix a QML warning when no account is present* and a few typos in QML.
+* Other(test): Fix integration test steps.
+* GODT-2226: Fix moving drafts to trash.
+* GODT-2246: do not report API error 422 when using an invalid email address.
+
+
+## [Bridge 3.0.10] Perth Narrows
+
+### Changed
+* GODT-2205: use lock file in bridge-gui to detect orphan bridge.
+* GODT-2242: Bump GPA - Don't send any 2fa information if not needed.
+* GODT-2179: added handler for exceptions in QML backend methods.
+* GODT-2181: Match live API behaviour.
+* GODT-2221: Set DOH off by default.
+* GODT-1817: Re-enable all integration tests.
+* Other: C++ Code reformat.
+* GODT-2234: added command-line switch to force Qt to use software rendering for QML.
+* Other: added C/C++ header template file (*.h.in) type to missing_license.sh script.
+* GODT-2236: add log entry when SMTP / IMAP serve method fails.
+* Other: reorganised QMLBackend class code.
+
+### Fixed
+* Other: Flag messages imported into "Sent" mailbox as Sent.
+* Other: Fix testCtx.getMBoxID().
+* Other: Fixed GUI Tester to comply with latest gRPC changes.
+* GODT-2010: add Cocoa app delegate handler for second application instance.
+* Other: Fix double close on event channels.
+* GODT-2233: Fix sub folder creation bug.
+* GODT-2222: Dot not error on unknown Address Events.
+* GODT-2218: Fix invalid UID ranges.
+
+
+## [Bridge 3.0.9] Perth Narrows
+
+### Changed
+* GODT-2181(test): Refactor integration test setup a bit.
+* Other: Updated GUI tester for new gRPC calls.
+* GODT-1847: Add option to export TLS Certificates in GUI.
+
+### Fixed
+* Other: Fix TOTP login (bump go-proton-api).
+* GODT-2188: Do not fail append with invalid mime-type.
+* GODT-2213: Don't unnecessarily enable/disable autostart.
+* Other: Do not decode message body during send record hashing.
+* GODT-2196: Do not generate message updates for unknown labels.
+* Other: Prevent double login.
+* Other: Improve migration logging prefers username over primary address.
+* Other(test): Prefer native API revoke rather than fake server method.
+* GODT-2190: Unify crashpad_handler for darwin.
+* Other(test): Add test that we skip and report bad messages during sync.
+* Other: Catalina build.
+* GODT-2042: Fix setup guide not always showing on first login.
+* GODT-2152: Sign-in dialog validate email and password only when button is pressed.
+* GODT-1556: Add unit test for in-reply-to header without references.
+* GODT-2150: Fixed initial implementation that filtered --no-window in gui instead of bridge.
+* GODT-2167: Bind sign-in buttons availability to loading state.
+* Other: Only send to necessary update channel.
+* GODT-1804: Add parsing ics attachment test.
+* Other: Fix Warning introduced by connecting check timer.
+
+
+## [Bridge 3.0.8] Perth Narrows
+
+### Fixed
+* Other: Add sentry reports for event processing failures.
+* Other: Do not fail on label events.
+
+
+## [Bridge 3.0.7] Perth Narrows
+
+### Fixed
+* Other: Increase default UIDVALIDITY.
+* GODT-2173: fix: Migrate Bridge passwords from v2.X.
+* GODT-2207: Fix encoding of non utf7 mailbox names.
+* Other: Increase worker count (2 -> 4).
+
+
+## [Bridge 3.0.6] Perth Narrows
+
+### Fixed
+* GODT-2187: Skip messages during sync that fail to build/parse.
+
+
+## [Bridge 3.0.5] Perth Narrows
+
+### Fixed
+* GODT-2178: Bump go-proton-api to fix drafts.
+* GODT-2180: Allow login with FIDO2.
+
+
+## [Bridge 3.0.4] Perth Narrows
+
+### Changed
+* Other: Do not list \Deleted flag for All Mail.
+* Other: Disable perma-delete for expunge on Spam folder.
+
+### Fixed
+* Other: Ensure expunge feature test pushes to error stack.
+* GODT-2170: Use client-side draft update in integration tests.
+* GODT-2170: Improving test server behaviour.
+* GODT-2170: Update draft event means delete old and create new message.
+* GODT-2170: User create draft route: first steps.
+
+
+## [Bridge 3.0.3] Perth Narrows
+
+### Fixed
+* GPA v0.1.4: fix token expiration mechanism.
+
+## [Bridge 3.0.2] Perth Narrows
+
+### Changed
+* GODT-2157: Add Sentry to Bridge-Gui.
+* GODT-2153: Use file socket for bridge gRPC on linux & macOS.
+* GODT-2150: Do not forward --no-window flag.
+* GODT-2154: Allow noninteractive mode from launcher.
+* Other: update gui tester to support latest changes in gRPC implementation.
+* Other: GUI Tester supports the 3 states of user (Signed out/Locked/Connected).
+* Other: Bump gluon version to drop non-UTF-8 commands.
+
+### Fixed
+* Other: Wipe vault properly on factory reset.
+* GODT-2160: Prevent double closing of bridge if restart fails.
+* GODT-2041: Crash after factory reset.
+* GODT-2114: Sanitize attachment disposition.
+* GODT-1910: Fix GUI not being notified of SMTP SSL being turned on by ConfigureAppleMail.
+* GODT-1910: Fix save button state not being updated after being clicked once.
+* GODT-2159: Improve 429 retry.
+* GODT-1989: Handle Move with Append and Expunge.
+* Other: SetMailServerSettings is async as it should.
+* Other: Include sentry dll for Windows deploy.
+* Other: Ensure context is string in sentry reports.
+* GODT-2160: Ensure we can safely move cache file.
+
+
+## [Bridge 3.0.1] Perth Narrows
+
+### Changed
+* GODT-2151: Sync backwards to please product people.
+
+### Fixed
+* GODT-2149: Sort logs by timestamp when clearing.
+* GODT-2137: Set sentry sync transport.
+
+## [Bridge 3.0.0] Perth Narrows
+
+### Changed
+* Other(chore): Bump major version to v3.
+* Other: Switch from liteapi to go-proton-api.
+* GODT-2085: Ensure minimum sync worker count.
+* Other: Switch to mail-api.proton.me.
+* GODT-2120: Encrypt gluon store with gzip.
+* GODT-1910: Use a single view for IMAP & SMTP SSL options.
+* GODT-1846: Remove restart cues* implement restart-less behaviour. 
+* GODT-1975: Migrate keychain secrets.
+* GODT-1976: Migrate app settings from prefs.json.
+* GODT-2100: Load users in parallel at startup.
+* GODT-2108: Implement C++ Focus gRPC service client in bridge-gui.
+* GODT-2091: Animated "Connecting..." label.
+* GODT-2003: Introduces 3 phases user state (SignedOut/Locked/Connected).
+* GODT-2056: Kill old bridge from v2 lock file.
+* GODT-2086: Changing the wording for signing in.
+* GODT-2070: Implement SASL login for SMTP.
+* Other: Use liteapi instead of pmapi.
+* GODT-1609: Store password as byte array.
+* GODT-1650: Gluon integration.
+* GODT-1779: Remove go-imap.
+
+### Fixed
+* Other: Retry sync after cooldown if it fails.
+* GODT-2142: Also permit split by comma in References header.
+* GODT-2085: Use time.Since* structured logging.
+* GODT-2139: Validate key pass during login.
+* GODT-2111: Fix restart.
+* GODT-2085: Revise sync algorithm.
+* GODT-2134: Fix dock icon on macOS when launched with '--no-window'.
+* GODT-2131: If refresh token is revoked* user gets signed out.
+* GODT-2119: Only show supported label IDs to clients.
+* GODT-2002: Wait for API events to be applied after send.
+* GODT-2105: Ensure ClientVersion is set in bug report request.
+* GODT-2107: Update user list after session revoke.
+* GODT-2040: Bump UID validity when clearing sync status.
+* GODT-2045: Timeouts should be considered network issues.
+* GODT-2122: Handle check for updates failure.
+* GODT-2033: Only set user agent from IMAP ID if not empty.
+* GODT-2110: Force attachment disposition if content ID is missing.
+* GODT-2081: If keychain cannot be loaded do not wipe Vault and use a temp one.
+* GODT-2103: Trigger the version changed event.
+* GODT-2047: Clear last event ID when clearing sync status.
+* GODT-2109: Removed log message "Parent process XXX is still alive".
+* GODT-1913: Pass reporter to gluon* limit restarts* add crash handlers.
+* GODT-2037: Handle and log API refresh event.
+* GODT-2029: Handle deadlock when reordering user addresses.
+* GODT-2021: Remove gluon data when deleting user.
+* GODT-2030: Rework deletion check on expunge.
+* GODT-1977: Fix launcher for v2 to v3 updates.
+* GODT-2048: Add missing special use attributes.
+* GODT-2034: Basic vault migration ability (proof of concept).
+* GODT-1978: Auto-updates from v2 to v3.
+* GODT-1954: Draft message support.
+* GODT-2022: Fix change between address modes.
+* GODT-1993: Use more efficient filtering for message deletion.
+* GODT-2004: Ensure log files don't have color formatting.
+* GODT-2011: Use new app version format.
+* GODT-2010: Add better logging for app focus feature.
+* GODT-2008: Ensure user's addresses are returned in sorted order.
+* GODT-2002: Poll after SMTP send.
+* GODT-1982: Updated gRPC and GUI for disk cache.
+* GODT-1984: Handle permanent message deletion.
+* GODT-1916: Use XDG_DATA_HOME to store persistent data on linux.
+* GODT-1974: Store everything in v3 path.
+* GODT-1986: Handle case where an address has no decryption entities.
+* GODT-1777: Message de-duplication in SMTP and IMAP.
+* GODT-1940: Fix message encryption.
+* GODT-1742: Implement hide All Mail.
+* GODT-1813: Cleanup old go-imap cache files.
+* GODT-1650: Implement Connector.CreateMessage.
+* GODT-1901: Allow to set IMAP SSL from UI.
+* GODT-1816: Connect Gluon Logs to bridge Logs.
+* GODT-1657: Stable sync.
+* GODT-1815: Gluon User management error.
+
+## [Bridge 2.4.8] Osney
+
+### Fixed
+* GODT-2071: Fix --no-window flag that was broken on Windows.
+
+## [Bridge 2.4.7] Osney
+
+### Fixed
+* GODT-2078: Launcher inception.
+* GODT-2039: fix --parent-pid flag is removed from command-line when restarting the application.
+
+## [Bridge 2.4.6] Osney
+
+### Changed
+* GODT-2019: When signing out and a single user is connecte* we do not go back to the welcome screen.
+* GODT-2071: Bridge-gui report error if an orphan bridge is detected.
+* GODT-2046: Bridge-gui log is included in optional archive sent with bug reports.
+* GODT-2039: Bridge monitors bridge-gui via its PID.
+* GODT-2038: Interrupt gRPC initialisation of bridge process terminates.
+* Other: Added timestamp to bridge-gui logs.
+* GODT-2035: Bridge-gui log includes Qt version info.
+* GODT-2031: Updated bridge description.
+
+### Fixed
+* Other: Fix make run-qt target for Darwin.
+
+## [Bridge 2.4.5] Osney
+
+### Changed
+* GODT-2015: Bridge-gui logs to file until gRPC connection is established.
+* GODT-2016: Added more logging of gRPC events at info level.
+* GODT-2013: CLI flag for frontend is required.
+
+### Fixed
+* GODT-2020: Fix xdg_{home,cache}_home variables.
+* GODT-2014: Bridge quit if gRPC client ends stream.
+
+## [Bridge 2.4.4] Osney
+
+### Changed
+* GODT-1751: Switch from protonmail.com to proton.me domain.
+
+### Fixed
+* Other: Fix make run-cli for Darwin.
+* GODT-1645: Fix CI pipeline.
+* GODT-1938: Account details box values wrap.
+* Other: Also install vcpkg ARM64 on Intel mac hosts.
+* Other: Fix minor typo.
+* GODT-1939: removed vertical overshoot when scrolling.
+* GODT-1479: fix 'Open Bridge' button still hovered when status windows opens for Windows.
+* GODT-1519: Move back to account view after sending bug report.
+* Other: fix QML error with Qt 6.4 and a typo.
+
+## [Bridge 2.4.3] Osney
+
+### Changed
+* Other: implemented tokens in bridge-gui-tester.
+* GODT-1853:
+    * Upgrade dependencies (including x/crypto).
+    * Ignore for CVE-2021-33194 false positive + add several try to gobinsec.
+* GODT-1853: Improve pipeline:
+    * Update gobinsec cache.
+    * Test-windows branch manual, MR always.
+    * Build needs test-linux and lint to start and keep vcpkg cache on linux.
+    * Builds manuall except linux-qa.
+* GODT-1893: Bridge-gui sends bridge's log to stdout, stderr.
+* GODT-1932: Frontend is instantiated before bridge.
+* GODT-1929: Changed gRPC wait timeout.
+* Other: gRPC TLS server is generated for every session.
+* GODT-1917: gRPC service should use random port.
+* GODT-1924: gRPC identity validation with tokens.
+* GODT-1344: Notifications for ApiCertError and NoActiveKeyForRecipient.
+* GODT-1941: Update documentation.
+* Other: Update golangci-lint to v1.50.0.
+* GODT-1936: check gRPC server token via interceptors.
+
+
+
+### Fixed
+* GUI issues:
+    * GODT-1894: Fixed typo in alreadyLoggedIn event error message.
+    * GODT-1479: Fix hover on “Open Bridge” in status window on macOS.
+    * GODT-1899: Status window menu now closes when window is dismissed.
+    * GODT-1851: Port field error label now wraps.
+    * GODT-1566: GUI shows error notifications for IMAP/SMTP port errors on startup.
+    * GODT-1926: Clear port error messages when cancelling the dialog.
+    * Other: Fixed cocoa related warnings in bridge-gui on macOS.
+* Build issues:
+    * GODT-1675: Add resrource file to both launcher and bridge-go.
+    * Other: Add WlShellIntegration lib for rpm package.
+    * GODT-1935: Fix resource file generation for both Launcher and Bridge.
+    * GODT-1942: Use `qmake` to find the `QT6DIR`.
+    * Provide launcher for make run-cli target.
+* GODT-1931: Fixed bridge crash when checking for update while offline.
+
+## [Bridge 2.4.0] Osney
+
+### Added
+* GODT-1551: Upgrade to Qt 6:
+    * Change the app architecture.
+    * Drop therecipe/qt dependency.
+    * Update to go1.18.
+    * Update to Qt 6.3.2.
+* GODT-1170 GODT-1675: Native Mac M1 release.
+
+
+## [Bridge 2.3.0] Nihonbashi
+
+### Added
+* GODT-1739: Opt-out All Mail visibility in settings file.
+    * GODT-1794: CLI wording.
+    * GODT-1794: Add confirmation dialog and change wording.
+    * GODT-1741: GUI and CLI settings to change visibility of All Mail folder.
+    * GODT-1740: Opt-out All Mail visibility in settings file.
+
+### Changed
+* GODT-1737: Improve logging during import.
+* GODT-1754: Add logs for unilateral updates and SEARCH.
+
+### Fixed
+* GODT-1840: Use Safe map for mailboxID cache.
+* GODT-1795: Fix automatic installation of profile for AppleMail on macOS Ventura beta (qt 5).
+* GODT-1833: Fix gobinsec cache.
+* GODT-1799: Fix dependency link.
+* Other: Update SSL certificate fingerprint for test.
+
+
+## [Bridge 2.2.2] Millau
+
+### Added
+* Introduced gobinsec cache.
+
+### Fixed
+* GODT-1743: Terminate running bridge if has old version.
+* GODT-1743: Quit bridge when opening manual install.
+
+
+## [Bridge 2.2.1] Millau
+
+### Added
+* GODT-1550: Add gobinsec check after CI build.
+* GODT-1686: Add Label/Folder filtering to pmapi.
+
+### Changed
+* Rebranding:
+    * GODT-1475: Change systray icons.
+    * GODT-1565: Update Bridge application icons.
+    * GODT-1564: Update welcome illustration.
+* GODT-1626: Update gopenpgp v2.4.7.
+* GODT-1627: Update go-srvp to v0.0.5.
+* GODT-1523: Reduce unnecessary shell executions. Inspired by @kortschak.
+* Other: Add v2 to module name.
+* GODT-1562: Update test fingerpring.
+
+### Fixed
+* GODT-1659: Convert charset only for `text/*` MIME types.
+* GODT-1640: Renew test keys.
+
+
+## [Bridge 2.2.0] Millau
+
+### Added
+* Rebranding:
+    * GODT-1508: Splash screen for rebranding.
+    * GODT-1542: Update login screen for rebranding.
+    * GODT-1260: Renaming.
+    * GODT-1502: Rebranding: color and radius.
+* GODT-1549: Add notification when address list changes.
+* GODT-1560: Dependecy licenses update and link.
+
+### Changed
+* GODT-1543: Using one buffered event for off and on connection.
+* GODT-1550: Update dependencies.
+* GODT-1545 GODT-1521: Change wording and enable release notes link.
+
+### Fixed
+* GODT-1534: Reset address when leaving split mode.
+
+
+## [Bridge 2.1.3] London
+
+### Added
+GODT-1525: Add keybase/go-keychain/secretservice as new keychain helper.
+
+### Changed
+GODT-1527: Change bug report description.
+
+### Fixed
+GODT-1537: Manual in-app update mechanism.
+
+
+## [Bridge 2.1.2] London
+
+### Added
+* GODT-1522: Rebuild macOS keychain notification.
+* GODT-1437 Add new proxy provider (Quad9 with port).
+* GODT-1516: Return notification on missing keychain.
+
+### Changed
+* GODT-1451: Do not check for gnome keyring to allow other implementations of secret-service API. Thanks to @remgodow.
+* GODT-1516 GODT-1451: KeepassXC is crashing on start. We need to block it until it's fixed.
+
+### Fixed
+* GODT-1524: Logout issues with macOS.
+* GODT-1503 GODT-1492: Improve email validation and username in bug report.
+* GODT-1507: Enable autostart after Qt setup.
+* GODT-1515: Do not crash when bridge users got disconnected.
+
+
+## [Bridge 2.1.1] London
+
+### Added
+* GODT-1376: Add first userID to sentry scope.
+* GODT-1375: Add host architecture to sentry reports.
+* GODT-1364: Add windows CI machine for tests, and build.
+
+### Fixed
+* GODT-1499: Remove message from DB once it is not on server any more.
+
+
+## [Bridge 2.1.0] London
+
+### Fixed
+* GODT-1482: Comment or mitigate panics, unlock cache when needed.
+* GODT-1481: Always turn off non-encrypted recipient report.
+
+### Changed
+* GODT-1494: Update GopenPGP to 2.4.1.
+* GODT-1490: Update go sentry and openpgp.
+* GODT-1474: Optimising live integration tests.
+* GODT-1483: Correct scope in sentry report.
+* GODT-1477: Change CoD wording.
+
+### Added
+* GODT-1478: Add GUI settings for keychain selection.
+* Other: Change copyright year.
+* GODT-1329: Dark mode, with autodetect.
+
+
 ## [Bridge 2.0.1] Kwai
 
 ### Fixed
@@ -10,7 +718,7 @@ Changelog [format](http://keepachangelog.com/en/1.0.0/)
 
 ## [Bridge 2.0.0] Kwai
 
-## Added
+### Added
 * GODT-22: New GUI style and improved UX:
     * GODT-1168 GODT-1169 Qml artifacts for preview.
     * GODT-1177: Remove Import-Export from repo.
@@ -81,7 +789,7 @@ Changelog [format](http://keepachangelog.com/en/1.0.0/)
     * GODT-1158: Store full messages bodies on disk.
 * GODT-1433 Adding first integration test for drafts.
 
-## Changed
+### Changed
 * GODT-1438: Turn off SW OpenGL on windows and add debug info about graphic renderer.
 * GODT-1425: Factory reset enables launch on startup.
 * GODT-1433 Message.Type is deprecated, use Flags instead.

Makefile

@@ -5,165 +5,185 @@ 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-nogui build-launcher versioner hasher
+.PHONY: build build-gui build-nogui build-launcher versioner hasher
 
 # Keep version hardcoded so app build works also without Git repository.
-BRIDGE_APP_VERSION?=2.0.1+git
+BRIDGE_APP_VERSION?=3.1.0+git
 APP_VERSION:=${BRIDGE_APP_VERSION}
-SRC_ICO:=logo.ico
+APP_FULL_NAME:=Proton Mail Bridge
+APP_VENDOR:=Proton AG
+SRC_ICO:=bridge.ico
 SRC_ICNS:=Bridge.icns
-SRC_SVG:=logo.svg
+SRC_SVG:=bridge.svg
 EXE_NAME:=proton-bridge
-CONFIGNAME:=bridge
 REVISION:=$(shell git rev-parse --short=10 HEAD)
 BUILD_TIME:=$(shell date +%FT%T%z)
+MACOS_MIN_VERSION_ARM64=11.0
+MACOS_MIN_VERSION_AMD64=10.15
+BUILD_ENV?=dev
 
 BUILD_FLAGS:=-tags='${BUILD_TAGS}'
 BUILD_FLAGS_LAUNCHER:=${BUILD_FLAGS}
-BUILD_FLAGS_GUI:=-tags='${BUILD_TAGS} build_qt'
-GO_LDFLAGS:=$(addprefix -X github.com/ProtonMail/proton-bridge/internal/constants.,Version=${APP_VERSION} Revision=${REVISION} BuildTime=${BUILD_TIME})
-ifneq "${BUILD_LDFLAGS}" ""
-    GO_LDFLAGS+=${BUILD_LDFLAGS}
+GO_LDFLAGS:=$(addprefix -X github.com/ProtonMail/proton-bridge/v3/internal/constants., Version=${APP_VERSION} Revision=${REVISION} 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_LAUNCHER+=-H=windowsgui
+	#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 '${GO_LDFLAGS}'
-BUILD_FLAGS_GUI+=-ldflags '${GO_LDFLAGS}'
 BUILD_FLAGS_LAUNCHER+=-ldflags '${GO_LDFLAGS_LAUNCHER}'
-
 DEPLOY_DIR:=cmd/${TARGET_CMD}/deploy
-ICO_FILES:=
 DIRNAME:=$(shell basename ${CURDIR})
-EXE:=${EXE_NAME}
-EXE_QT:=${DIRNAME}
+
+LAUNCHER_EXE:=proton-bridge
+BRIDGE_EXE=bridge
+BRIDGE_GUI_EXE_NAME=bridge-gui
+BRIDGE_GUI_EXE=${BRIDGE_GUI_EXE_NAME}
+LAUNCHER_PATH:=cmd/launcher
+
 ifeq "${TARGET_OS}" "windows"
-    EXE:=${EXE}.exe
-    EXE_QT:=${EXE_QT}.exe
-    RESOURCE_FILE:=resource.syso
+	BRIDGE_EXE:=${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
-    EXE_QT:=${EXE_QT}.app
-    EXE_BINARY_DARWIN:=/Contents/MacOS/${EXE_NAME}
+	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}/${EXE}
-EXE_QT_TARGET:=${DEPLOY_DIR}/${TARGET_OS}/${EXE_QT}
+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
 
 ifdef QT_API
-    VENDOR_TARGET:=prepare-vendor update-qt-docs
+	VENDOR_TARGET:=prepare-vendor update-qt-docs
 else
-    VENDOR_TARGET=update-vendor
+	VENDOR_TARGET=update-vendor
 endif
 
-build: ${TGZ_TARGET}
+build: build-gui
 
-build-nogui: gofiles
-	go build ${BUILD_FLAGS} -o ${EXE_NAME} cmd/${TARGET_CMD}/main.go
+build-gui: ${TGZ_TARGET}
+
+build-nogui: ${EXE_NAME} build-launcher
+ifeq "${TARGET_OS}" "darwin"
+	mv ${BRIDGE_EXE} ${BRIDGE_EXE_NAME}
+endif
+
+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"
-  	PRERESOURCECMD:=cp ./resource.syso ./cmd/launcher/resource.syso
-	POSTRESOURCECMD:=rm -f ./cmd/launcher/resource.syso
+	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}
-	${PRERESOURCECMD}
-	go build ${BUILD_FLAGS_LAUNCHER} -o launcher-${EXE} ./cmd/launcher/
-	${POSTRESOURCECMD}
+	$(call go-build-finalize,${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 ${DEPLOY_DIR}/${TARGET_OS} && tar czf ../../../../$@ .
+	tar -czvf $@ -C ${DEPLOY_DIR}/${TARGET_OS} .
 
-${DEPLOY_DIR}/linux: ${EXE_TARGET}
-	cp -pf ./internal/frontend/share/${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: ${EXE_TARGET}
-	if [ "${DIRNAME}" != "${EXE_NAME}" ]; then \
-		mv ${EXE_TARGET}/Contents/MacOS/{${DIRNAME},${EXE_NAME}}; \
-		perl -i -pe"s/>${DIRNAME}/>${EXE_NAME}/g" ${EXE_TARGET}/Contents/Info.plist; \
-	fi
-	cp ./internal/frontend/share/${SRC_ICNS} ${DARWINAPP_CONTENTS}/Resources/${SRC_ICNS}
+${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 "${EXE_TARGET}${EXE_BINARY_DARWIN}"
+	mv ${LAUNCHER_EXE}  ${DARWINAPP_CONTENTS}/MacOS/${LAUNCHER_EXE}
+	./utils/remove_non_relative_links_darwin.sh "${EXE_TARGET_DARWIN}/${EXE_BINARY_DARWIN}"
 
-${DEPLOY_DIR}/windows: ${EXE_TARGET}
-	cp ./internal/frontend/share/${SRC_ICO} ${DEPLOY_DIR}/windows/logo.ico
-	cp LICENSE ${DEPLOY_DIR}/windows/
-
-QT_BUILD_TARGET:=build desktop
-ifneq "${GOOS}" "${TARGET_OS}"
-  ifeq "${TARGET_OS}" "windows"
-    QT_BUILD_TARGET:=-docker build windows_64_shared
-  endif
-endif
-
-${EXE_TARGET}: check-has-go gofiles ${RESOURCE_FILE} ${VENDOR_TARGET}
-	rm -rf deploy ${TARGET_OS} ${DEPLOY_DIR}
-	cp cmd/${TARGET_CMD}/main.go .
-	qtdeploy ${BUILD_FLAGS_GUI} ${QT_BUILD_TARGET}
-	mv deploy cmd/${TARGET_CMD}
-	if [ "${EXE_QT_TARGET}" != "${EXE_TARGET}" ]; then mv ${EXE_QT_TARGET} ${EXE_TARGET}; fi
-	rm -rf ${TARGET_OS} main.go
+${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
 
+${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=${REVISION} \
+		BRIDGE_DSN_SENTRY=${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 "${APP_VERSION}" | sed -e 's/[^0-9,.]*//g' -e 's/\./,/g')
-resource.syso: ./internal/frontend/share/info.rc ./internal/frontend/share/${SRC_ICO} .FORCE
+${RESOURCE_FILE}: ./dist/info.rc ./dist/${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 $@ $<
-
-## Rules for therecipe/qt
-.PHONY: prepare-vendor update-vendor update-qt-docs
-THERECIPE_ENV:=github.com/therecipe/env_${TARGET_OS}_amd64_513
-
-# vendor folder will be deleted by gomod hence we cache the big repo
-# therecipe/env in order to download it only once
-vendor-cache/${THERECIPE_ENV}:
-	git clone https://${THERECIPE_ENV}.git vendor-cache/${THERECIPE_ENV}
-	if [ "${TARGET_OS}" == "darwin" ]; then cp -f "./utils/QTBUG-88600/libqcocoa.dylib" "./vendor-cache/${THERECIPE_ENV}/5.13.0/clang_64/plugins/platforms/"; fi;
-
-# The command used to make symlinks is different on windows.
-# So if the GOOS is windows and we aren't crossbuilding (in which case the host os would still be *nix)
-# 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
-	${LINKCMD}
-
-update-qt-docs:
-	go get github.com/therecipe/qt/internal/binding/files/docs/$(QT_API)
+	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 install-git-hooks
-LINTVER:="v1.39.0"
+LINTVER:="v1.50.0"
 LINTSRC:="https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh"
 
 install-dev-dependencies: install-devel-tools install-linter install-go-mod-outdated
@@ -177,16 +197,29 @@ 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 release-notes
+.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
@@ -195,26 +228,19 @@ change-copyright-year:
 	./utils/missing_license.sh change-year
 
 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=${TESTRUN} \
-		./internal/api/... \
-		./internal/bridge/... \
-		./internal/config/... \
-		./internal/constants/... \
-		./internal/cookies/... \
-		./internal/crash/... \
-		./internal/events/... \
-		./internal/frontend/cli/... \
-		./internal/imap/... \
-		./internal/locations/... \
-		./internal/logging/... \
-		./internal/metrics/... \
-		./internal/smtp/... \
-		./internal/store/... \
-		./internal/updater/... \
-		./internal/users/... \
-		./internal/versioner/... \
-		./pkg/...
+	go test -v -timeout=10m -p=1 -count=1 -coverprofile=/tmp/coverage.out -run=${TESTRUN} ./internal/... ./pkg/...
+
+test-race: gofiles
+	go test -v -timeout=30m -p=1 -count=1 -race -failfast -run=${TESTRUN} ./internal/... ./pkg/...
+
+test-integration: gofiles
+	go test -v -timeout=20m -p=1 -count=1 github.com/ProtonMail/proton-bridge/v3/tests
+
+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
@@ -224,22 +250,21 @@ bench:
 coverage: test
 	go tool cover -html=/tmp/coverage.out -o=coverage.html
 
-integration-test-bridge:
-	${MAKE} -C test test-bridge
-
 mocks:
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/internal/users Locator,PanicHandler,CredentialsStorer,StoreMaker > internal/users/mocks/mocks.go
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/listener Listener > internal/users/mocks/listener_mocks.go
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/internal/store PanicHandler,BridgeUser,ChangeNotifier,Storer > internal/store/mocks/mocks.go
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/listener Listener > internal/store/mocks/utils_mocks.go
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/pmapi Client,Manager > pkg/pmapi/mocks/mocks.go
-	mockgen --package mocks github.com/ProtonMail/proton-bridge/pkg/message Fetcher > pkg/message/mocks/mocks.go
+	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
 
-lint: gofiles lint-golang lint-license lint-changelog
+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
 
@@ -248,6 +273,13 @@ lint-golang:
 	$(info linting with GOMAXPROCS=${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
@@ -255,7 +287,7 @@ updates: install-go-mod-outdated
 doc:
 	godoc -http=:6060
 
-release-notes: release-notes/bridge_stable.html release-notes/bridge_early.html
+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 $^
@@ -268,51 +300,75 @@ gofiles: ./internal/bridge/credits.go
 	cd ./utils/ && ./credits.sh bridge
 
 ## Run and debug
-.PHONY: run run-qt run-qt-cli run-nogui run-nogui-cli run-debug run-qml-preview clean-vendor clean-frontend-qt clean-frontend-qt-common clean
+.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
 
 LOG?=debug
 LOG_IMAP?=client # client/server/all, or empty to turn it off
 LOG_SMTP?=--log-smtp # empty to turn it off
-RUN_FLAGS?=-m -l=${LOG} --log-imap=${LOG_IMAP} ${LOG_SMTP}
+RUN_FLAGS?=-l=${LOG} --log-imap=${LOG_IMAP} ${LOG_SMTP}
 
-run: run-nogui-cli
+run: run-qt
 
-run-qt: ${EXE_TARGET}
-	PROTONMAIL_ENV=dev ./$< ${RUN_FLAGS} 2>&1 | 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 ${BUILD_FLAGS} cmd/${TARGET_CMD}/main.go ${RUN_FLAGS} | tee last.log
-run-nogui-cli: clean-vendor gofiles
-	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS} cmd/${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 "${BUILD_FLAGS}" cmd/${TARGET_CMD}/main.go -- ${RUN_FLAGS} --noninteractive
+	dlv debug ./cmd/Desktop-Bridge/main.go -- -l=debug
 
-run-qml-preview:
-	find internal/frontend/qml/ -iname '*qmlc' | xargs rm -f
-	cd internal/frontend/qml/ && qmlscene -verbose -I . -f Bridge_test.qml
-	
+ifeq "${TARGET_OS}" "windows"
+	EXE_SUFFIX=.exe
+endif
 
-clean-frontend-qt:
-	$(MAKE) -C internal/frontend -f Makefile.local clean
+bridge-gui-tester:  build-gui
+	cp ./cmd/Desktop-Bridge/deploy/${TARGET_OS}/bridge-gui${EXE_SUFFIX} .
+	cd ./internal/frontend/bridge-gui/bridge-gui-tester && cmake . && make
 
-clean-vendor: clean-frontend-qt clean-frontend-qt-common
+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-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 -f resource.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) add-license
+	$(MAKE) build
 
 .FORCE:

README.md

@@ -1,48 +1,33 @@
-# 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 and the ProtonMail Import-Export applications.
+This repository holds the Proton Mail Bridge and the Proton Mail Import-Export applications.
 For a detailed build information see [BUILDS](./BUILDS.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).
-
-## Description Import-Export app
-ProtonMail Import-Export app for importing and exporting messages.
-
-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.
-
-More details [on the public website](https://protonmail.com/import-export).
-
-The Import-Export app is developed in separate branch `master-ie`.
+More details [on the public website](https://proton.me/mail/bridge).
 
 ## Launchers
-Launchers are binaries used to run the ProtonMail Bridge or Import-Export apps.
+Launchers are binaries used to run the Proton Mail Bridge or Import-Export apps.
 
-Official distributions of the ProtonMail Bridge and Import-Export apps contain
+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
@@ -52,18 +37,17 @@ 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
@@ -75,35 +59,34 @@ or
 - `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: `~/.config/protonmail/bridge/prefs.json`
-- macOS: `~/Library/ApplicationSupport/protonmail/bridge/prefs.json`
-- Windows: `%APPDATA%\protonmail\bridge\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`
 

cmd/Desktop-Bridge/main.go

@@ -1,22 +1,31 @@
-// Copyright (c) 2021 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"
+)
+
 /*
                              ___....___
    ^^                __..-:'':__:..:__:'':-..__
@@ -34,41 +43,8 @@ package main
    ~~^_~^~/   \~^-~^~ _~^-~_^~-^~_^~~-^~_~^~-~_~-^~_^/   \~^ ~~_ ^
 */
 
-import (
-	"os"
-
-	"github.com/ProtonMail/proton-bridge/internal/app/base"
-	"github.com/ProtonMail/proton-bridge/internal/app/bridge"
-	"github.com/sirupsen/logrus"
-)
-
-const (
-	appName       = "ProtonMail Bridge"
-	appUsage      = "ProtonMail IMAP and SMTP Bridge"
-	configName    = "bridge"
-	updateURLName = "bridge"
-	keychainName  = "bridge"
-	cacheVersion  = "c11"
-)
-
 func main() {
-	base, err := base.New(
-		appName,
-		appUsage,
-		configName,
-		updateURLName,
-		keychainName,
-		cacheVersion,
-	)
-	if err != nil {
-		logrus.WithError(err).Fatal("Failed to create app base")
-	}
-	// Other instance already running.
-	if base == nil {
-		return
-	}
-
-	if err := bridge.New(base).Run(os.Args); err != nil {
-		logrus.WithError(err).Fatal("Bridge exited with error")
+	if err := app.New().Run(xslices.Filter(os.Args, func(arg string) bool { return !strings.Contains(arg, "-psn_") })); err != nil {
+		logrus.Fatal(err)
 	}
 }

cmd/launcher/main.go

@@ -1,154 +1,225 @@
-// Copyright (c) 2021 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 (
 	"fmt"
 	"os"
-	"os/exec"
 	"path/filepath"
 	"runtime"
+	"time"
 
 	"github.com/Masterminds/semver/v3"
 	"github.com/ProtonMail/gopenpgp/v2/crypto"
-	"github.com/ProtonMail/proton-bridge/internal/config/useragent"
-	"github.com/ProtonMail/proton-bridge/internal/constants"
-	"github.com/ProtonMail/proton-bridge/internal/crash"
-	"github.com/ProtonMail/proton-bridge/internal/locations"
-	"github.com/ProtonMail/proton-bridge/internal/logging"
-	"github.com/ProtonMail/proton-bridge/internal/sentry"
-	"github.com/ProtonMail/proton-bridge/internal/updater"
-	"github.com/ProtonMail/proton-bridge/internal/versioner"
+	"github.com/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    = "ProtonMail Launcher"
-	configName = "bridge"
-	exeName    = "proton-bridge"
+	appName = "Proton Mail Launcher"
+	exeName = "bridge"
+	guiName = "bridge-gui"
+
+	FlagCLI                 = "cli"
+	FlagCLIShort            = "c"
+	FlagNonInteractive      = "noninteractive"
+	FlagNonInteractiveShort = "n"
+	FlagLauncher            = "--launcher"
+	FlagWait                = "--wait"
 )
 
-func main() { // nolint[funlen]
-	reporter := sentry.NewReporter(appName, constants.Version, useragent.New())
+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 crashHandler.HandlePanic()
 
-	locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, configName))
+	locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, constants.ConfigName))
 	if err != nil {
-		logrus.WithError(err).Fatal("Failed to get locations provider")
+		l.WithError(err).Fatal("Failed to get locations provider")
 	}
 
-	locations := locations.New(locationsProvider, configName)
+	locations := locations.New(locationsProvider, constants.ConfigName)
 
 	logsPath, err := locations.ProvideLogsPath()
 	if err != nil {
-		logrus.WithError(err).Fatal("Failed to get logs path")
+		l.WithError(err).Fatal("Failed to get logs path")
 	}
 	crashHandler.AddRecoveryAction(logging.DumpStackTrace(logsPath))
 
-	if err := logging.Init(logsPath); err != nil {
-		logrus.WithError(err).Fatal("Failed to setup logging")
+	if err := logging.Init(logsPath, os.Getenv("VERBOSITY")); err != nil {
+		l.WithError(err).Fatal("Failed to setup logging")
 	}
 
-	logging.SetLevel(os.Getenv("VERBOSITY"))
-
 	updatesPath, err := locations.ProvideUpdatesPath()
 	if err != nil {
-		logrus.WithError(err).Fatal("Failed to get updates path")
+		l.WithError(err).Fatal("Failed to get updates path")
 	}
 
 	key, err := crypto.NewKeyFromArmored(updater.DefaultPublicKey)
 	if err != nil {
-		logrus.WithError(err).Fatal("Failed to create new verification key")
+		l.WithError(err).Fatal("Failed to create new verification key")
 	}
 
 	kr, err := crypto.NewKeyRing(key)
 	if err != nil {
-		logrus.WithError(err).Fatal("Failed to create new verification keyring")
+		l.WithError(err).Fatal("Failed to create new verification keyring")
 	}
 
 	versioner := versioner.New(updatesPath)
 
-	exe, err := getPathToUpdatedExecutable(exeName, versioner, kr, reporter)
-	if err != nil {
-		if exe, err = getFallbackExecutable(exeName, versioner); err != nil {
-			logrus.WithError(err).Fatal("Failed to find any launchable executable")
-		}
-	}
-
 	launcher, err := os.Executable()
 	if err != nil {
 		logrus.WithError(err).Fatal("Failed to determine path to launcher")
 	}
 
-	cmd := exec.Command(exe, appendLauncherPath(launcher, os.Args[1:])...) // nolint[gosec]
+	l = l.WithField("launcher_path", launcher)
+
+	args := os.Args[1:]
+
+	exe, err := getPathToUpdatedExecutable(filepath.Base(launcher), versioner, kr, reporter)
+	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, args)...) //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 runtime.GOOS == "windows" {
+	if //goland:noinspection GoBoolExpressions
+	runtime.GOOS == "windows" {
 		err = cmd.Start()
 	} else {
 		err = cmd.Run()
 	}
 
 	if err != nil {
-		logrus.WithError(err).Fatal("Failed to launch")
+		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 != "--launcher" {
+		if v != FlagWait {
 			continue
 		}
-
-		hasFlag = true
-
 		if k+1 >= len(res) {
 			continue
 		}
-
-		res[k+1] = path
+		hasFlag = true
+		values = append(values, res[k+1])
 	}
 
-	if !hasFlag {
-		res = append(res, "--launcher", path)
+	if hasFlag {
+		res, _ = findAndStrip(res, FlagWait)
+		for _, v := range values {
+			res, _ = findAndStrip(res, v)
+		}
 	}
-
-	return res
+	return res, hasFlag, values
 }
 
 func getPathToUpdatedExecutable(
 	name string,
-	versioner *versioner.Versioner,
+	ver *versioner.Versioner,
 	kr *crypto.KeyRing,
 	reporter *sentry.Reporter,
 ) (string, error) {
-	versions, err := versioner.ListVersions()
+	versions, err := ver.ListVersions()
 	if err != nil {
 		return "", errors.Wrap(err, "failed to list available versions")
 	}
@@ -159,7 +230,11 @@ func getPathToUpdatedExecutable(
 	}
 
 	for _, version := range versions {
-		vlog := logrus.WithField("version", version)
+		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")
@@ -192,13 +267,45 @@ func getPathToUpdatedExecutable(
 	return "", errors.New("no available newer versions")
 }
 
-func getFallbackExecutable(name string, versioner *versioner.Versioner) (string, error) {
-	logrus.Info("Searching for fallback executable")
+// 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
+		}
 
-	launcher, err := os.Executable()
+		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 {
-		return "", errors.Wrap(err, "failed to determine path to launcher")
+		logrus.WithError(err).WithField("file", path).Error("Could not retrieve file info")
+		return false
 	}
 
-	return versioner.GetExecutableInDirectory(name, filepath.Dir(launcher))
+	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

@@ -0,0 +1,32 @@
+<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"/>
+<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="url(#paint0_linear_9588_57903)"/>
+<g filter="url(#filter0_i_9588_57903)">
+<path d="M143.572 158.939C138.271 163.23 124.489 169.238 111.766 158.939C99.0439 148.64 72.6401 125.871 61.0285 115.774H61.0868L60.8676 115.59C60.8676 79.2418 90.3367 49.7728 126.684 49.7728H128.513C164.861 49.7728 194.33 79.2418 194.33 115.59L194.111 115.774H194.31V255.872H223.564C234.679 255.872 243.697 246.854 243.697 235.739V116.235C243.697 51.9958 191.62 -0.0888672 127.372 -0.0888672C63.1241 -0.0888672 11.0479 51.9874 11.0479 116.235V123.587L82.9896 185.444C88.2906 190.492 102.224 197.56 115.553 185.444C128.881 173.327 139.786 162.726 143.572 158.939Z" fill="url(#paint1_radial_9588_57903)"/>
+</g>
+</g>
+<defs>
+<filter id="filter0_i_9588_57903" x="7.29545" y="-0.0888672" width="236.401" height="266.43" filterUnits="userSpaceOnUse" color-interpolation-filters="sRGB">
+<feFlood flood-opacity="0" result="BackgroundImageFix"/>
+<feBlend mode="normal" in="SourceGraphic" in2="BackgroundImageFix" result="shape"/>
+<feColorMatrix in="SourceAlpha" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 127 0" result="hardAlpha"/>
+<feOffset dx="-3.7524" dy="10.4692"/>
+<feGaussianBlur stdDeviation="28.143"/>
+<feComposite in2="hardAlpha" operator="arithmetic" k2="-1" k3="1"/>
+<feColorMatrix type="matrix" values="0 0 0 0 0.462745 0 0 0 0 0.337255 0 0 0 0 1 0 0 0 0.24 0"/>
+<feBlend mode="normal" in2="shape" result="effect1_innerShadow_9588_57903"/>
+</filter>
+<linearGradient id="paint0_linear_9588_57903" x1="19.3784" y1="285.405" x2="54.2022" y2="186.949" gradientUnits="userSpaceOnUse">
+<stop stop-color="#28B0E8"/>
+<stop offset="1" stop-color="#C5B7FF" stop-opacity="0"/>
+</linearGradient>
+<radialGradient id="paint1_radial_9588_57903" cx="0" cy="0" r="1" gradientUnits="userSpaceOnUse" gradientTransform="translate(229.979 277.075) rotate(-138.034) scale(294.445 240.743)">
+<stop stop-color="#E2DBFF"/>
+<stop offset="1" stop-color="#6D4AFF"/>
+</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

@@ -3,12 +3,12 @@
 
 IDI_ICON1 ICON DISCARDABLE STRINGIZE(ICO_FILE)
 
-#define FILE_COMMENTS "The Bridge is an application that runs on your computer in the background and seamlessly encrypts and decrypts your mail as it enters and leaves your computer."
-#define FILE_DESCRIPTION "ProtonMail Bridge"
+#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 "ProtonMail Bridge for Windows"
+#define PRODUCT_NAME "Proton Mail Bridge for Windows"
 
-#define LEGAL_COPYRIGHT "(C) " STRINGIZE(YEAR) " Proton Technologies AG"
+#define LEGAL_COPYRIGHT "(C) " STRINGIZE(YEAR) " Proton AG"
 
 1 VERSIONINFO
 FILEVERSION     FILE_VERSION_COMMA,0
@@ -19,7 +19,7 @@ BEGIN
         BLOCK "040904b0"
         BEGIN
             VALUE "Comments", FILE_COMMENTS
-            VALUE "CompanyName", "Proton Technologies AG"
+            VALUE "CompanyName", "Proton AG"
             VALUE "FileDescription", FILE_DESCRIPTION
             VALUE "FileVersion", STRINGIZE(FILE_VERSION)
             VALUE "InternalName", INTERNAL_NAME

dist/proton-bridge.desktop

@@ -1,11 +1,11 @@
 [Desktop Entry]
 Type=Application
 Version=1.1
-Name=ProtonMail Bridge
-GenericName=ProtonMail Bridge for Linux
-Comment=The Bridge is an application that runs on your computer in the background and seamlessly encrypts and decrypts your mail as it enters and leaves your computer.
+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=protonmail-bridge
+StartupWMClass=Proton Mail Bridge

dist/raw/win+lin_icon_16x16.svg

@@ -0,0 +1,32 @@
+<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)">
+<path d="M7.9607 -0.00488281C3.9452 -0.00488281 0.69043 3.24988 0.69043 7.26539V14.5839C0.69043 15.3619 1.32115 15.9926 2.09919 15.9926H13.9727C14.6674 15.9926 15.231 15.429 15.231 14.7344V7.26539C15.231 3.25041 11.9762 -0.00488281 7.9607 -0.00488281ZM12.1456 7.22502L8.96786 9.90202C8.39429 10.3854 7.55543 10.3854 6.98186 9.90202L3.80416 7.22502C3.80416 4.95329 5.64598 3.11147 7.91771 3.11147H8.032C10.3037 3.11147 12.1456 4.95329 12.1456 7.22502Z" fill="#6D4AFF"/>
+<path d="M7.9607 -0.00488281C3.9452 -0.00488281 0.69043 3.24988 0.69043 7.26539V14.5839C0.69043 15.3619 1.32115 15.9926 2.09919 15.9926H13.9727C14.6674 15.9926 15.231 15.429 15.231 14.7344V7.26539C15.231 3.25041 11.9762 -0.00488281 7.9607 -0.00488281ZM12.1456 7.22502L8.96786 9.90202C8.39429 10.3854 7.55543 10.3854 6.98186 9.90202L3.80416 7.22502C3.80416 4.95329 5.64598 3.11147 7.91771 3.11147H8.032C10.3037 3.11147 12.1456 4.95329 12.1456 7.22502Z" fill="url(#paint0_linear_9588_57915)"/>
+<g filter="url(#filter0_i_9588_57915)">
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+<defs>
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+<feBlend mode="normal" in="SourceGraphic" in2="BackgroundImageFix" result="shape"/>
+<feColorMatrix in="SourceAlpha" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 127 0" result="hardAlpha"/>
+<feOffset dx="-0.234525" dy="0.654324"/>
+<feGaussianBlur stdDeviation="1.75894"/>
+<feComposite in2="hardAlpha" operator="arithmetic" k2="-1" k3="1"/>
+<feColorMatrix type="matrix" values="0 0 0 0 0.462745 0 0 0 0 0.337255 0 0 0 0 1 0 0 0 0.24 0"/>
+<feBlend mode="normal" in2="shape" result="effect1_innerShadow_9588_57915"/>
+</filter>
+<linearGradient id="paint0_linear_9588_57915" x1="1.21106" y1="17.8385" x2="3.38824" y2="11.6856" gradientUnits="userSpaceOnUse">
+<stop stop-color="#28B0E8"/>
+<stop offset="1" stop-color="#C5B7FF" stop-opacity="0"/>
+</linearGradient>
+<radialGradient id="paint1_radial_9588_57915" cx="0" cy="0" r="1" gradientUnits="userSpaceOnUse" gradientTransform="translate(14.3736 17.3159) rotate(-138.034) scale(18.4028 15.0465)">
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+</radialGradient>
+<clipPath id="clip0_9588_57915">
+<rect width="16" height="16" fill="white"/>
+</clipPath>
+</defs>
+</svg>

dist/raw/win+lin_icon_24x24.svg

@@ -0,0 +1,32 @@
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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/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

@@ -1,76 +1,131 @@
-module github.com/ProtonMail/proton-bridge
+module github.com/ProtonMail/proton-bridge/v3
 
-go 1.15
+go 1.18
 
-// 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 v0.15.1-0.20230331095629-e23a7a1be2a8
+	github.com/ProtonMail/go-autostart v0.0.0-20210130080809-00ed301c8e9a
+	github.com/ProtonMail/go-proton-api v0.4.1-0.20230331115846-7ba084061eaa
+	github.com/ProtonMail/gopenpgp/v2 v2.5.2
+	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 v0.10.2
+	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-imap v1.0.6
-	github.com/jameskeane/bcrypt v0.0.0-20170924085257-7509ea014998 // indirect
+	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/goccy/go-json v0.10.0
+	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 v1.9.0
+	github.com/stretchr/testify v1.8.1
+	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 v0.0.0-20230213192124-5e25df0256eb
+	golang.org/x/net v0.7.0
+	golang.org/x/sys v0.5.0
+	golang.org/x/text v0.7.0
+	google.golang.org/grpc v1.53.0
+	google.golang.org/protobuf v1.28.1
+	howett.net/plist v1.0.0
 )
 
 require (
-	github.com/0xAX/notificator v0.0.0-20191016112426-3962a5ea8da1
-	github.com/Masterminds/semver/v3 v3.1.0
-	github.com/ProtonMail/go-autostart v0.0.0-20181114175602-c5272053443a
-	github.com/ProtonMail/go-crypto v0.0.0-20210707164159-52430bf6b52c
-	github.com/ProtonMail/go-imap-id v0.0.0-20190926060100-f94a56b9ecde
-	github.com/ProtonMail/go-rfc5322 v0.8.0
-	github.com/ProtonMail/go-srp v0.0.1
-	github.com/ProtonMail/go-vcard v0.0.0-20180326232728-33aaa0a0c8a5
-	github.com/ProtonMail/gopenpgp/v2 v2.2.2
-	github.com/PuerkitoBio/goquery v1.5.1
-	github.com/abiosoft/ishell v2.0.0+incompatible
+	ariga.io/atlas v0.9.1-0.20230119145809-92243f7c55cb // indirect
+	entgo.io/ent v0.11.8 // indirect
+	github.com/ProtonMail/bcrypt v0.0.0-20211005172633-e235017c1baf // indirect
+	github.com/ProtonMail/go-crypto v0.0.0-20230217124315-7d5c6f04bbb8 // indirect
+	github.com/ProtonMail/go-mime v0.0.0-20221031134845-8fd9bc37cf08 // indirect
+	github.com/ProtonMail/go-srp v0.0.5 // indirect
 	github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db // indirect
-	github.com/allan-simon/go-singleinstance v0.0.0-20160830203053-79edcfdc2dfc
-	github.com/chzyer/logex v1.1.10 // indirect
-	github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 // indirect
-	github.com/cucumber/godog v0.12.1
-	github.com/cucumber/messages-go/v16 v16.0.1
-	github.com/emersion/go-imap-appendlimit v0.0.0-20190308131241-25671c986a6a
-	github.com/emersion/go-imap-move v0.0.0-20190710073258-6e5a51a5b342
-	github.com/emersion/go-imap-quota v0.0.0-20210203125329-619074823f3c
-	github.com/emersion/go-imap-unselect v0.0.0-20171113212723-b985794e5f26
-	github.com/emersion/go-message v0.12.1-0.20201221184100-40c3f864532b
-	github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21
-	github.com/emersion/go-smtp v0.14.0
-	github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594
-	github.com/emersion/go-vcard v0.0.0-20190105225839-8856043f13c5 // indirect
-	github.com/fatih/color v1.9.0
+	github.com/agext/levenshtein v1.2.3 // indirect
+	github.com/andybalholm/cascadia v1.3.1 // indirect
+	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
+	github.com/bytedance/sonic v1.8.1 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/chzyer/test v1.0.0 // indirect
+	github.com/cloudflare/circl v1.3.2 // 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 v0.0.0-20220507122617-d4056df0ec4a // indirect
+	github.com/felixge/fgprof v0.9.3 // indirect
 	github.com/flynn-archive/go-shlex v0.0.0-20150515145356-3f9db97f8568 // indirect
-	github.com/getsentry/sentry-go v0.8.0
-	github.com/go-resty/resty/v2 v2.6.0
-	github.com/golang/mock v1.4.4
-	github.com/google/go-cmp v0.5.1
-	github.com/google/uuid v1.1.1
-	github.com/hashicorp/go-multierror v1.1.0
-	github.com/jaytaylor/html2text v0.0.0-20200412013138-3577fbdbcff7
-	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 v1.1.41
-	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/ricochet2200/go-disk-usage/du v0.0.0-20210707232629-ac9918953285
-	github.com/sirupsen/logrus v1.7.0
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.9.0 // indirect
+	github.com/go-openapi/inflect v0.19.0 // 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 v10.11.2 // 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/hashicorp/hcl/v2 v2.16.1 // 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 v1.2.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/mattn/go-sqlite3 v1.14.16 // indirect
+	github.com/mitchellh/go-wordwrap v1.0.1 // 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 v2.0.6 // 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/stretchr/testify v1.7.0
-	github.com/therecipe/qt v0.0.0-20200701200531-7f61353ee73e
-	github.com/therecipe/qt/internal/binding/files/docs/5.12.0 v0.0.0-20200904063919-c0c124a5770d // indirect
-	github.com/therecipe/qt/internal/binding/files/docs/5.13.0 v0.0.0-20200904063919-c0c124a5770d // indirect
-	github.com/urfave/cli/v2 v2.2.0
-	github.com/vmihailenco/msgpack/v5 v5.1.3
-	go.etcd.io/bbolt v1.3.6
-	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
-	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4
-	golang.org/x/text v0.3.5-0.20201125200606-c27b9fd57aec
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.10 // indirect
+	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	github.com/zclconf/go-cty v1.12.1 // indirect
+	golang.org/x/arch v0.2.0 // indirect
+	golang.org/x/crypto v0.6.0 // indirect
+	golang.org/x/mod v0.8.0 // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	golang.org/x/tools v0.3.1-0.20221202221704-aa9f4b2f3d57 // 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/ProtonMail/go-imap v0.0.0-20201228133358-4db68cea0cac
 	github.com/emersion/go-message => github.com/ProtonMail/go-message v0.0.0-20210611055058-fabeff2ec753
-	github.com/jameskeane/bcrypt => github.com/ProtonMail/bcrypt v0.0.0-20210511135022-227b4adcab57
+	github.com/keybase/go-keychain => github.com/cuthix/go-keychain v0.0.0-20220405075754-31e7cee908fe
 )

go.sum

@@ -1,3 +1,5 @@
+ariga.io/atlas v0.9.1-0.20230119145809-92243f7c55cb h1:mbsFtavDqGdYwdDpP50LGOOZ2hgyGoJcZeOpbgKMyu4=
+ariga.io/atlas v0.9.1-0.20230119145809-92243f7c55cb/go.mod h1:T230JFcENj4ZZzMkZrXFDSkv+2kXkUgpJ5FQQ5hMcKU=
 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=
@@ -11,157 +13,167 @@ cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqCl
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/0xAX/notificator v0.0.0-20191016112426-3962a5ea8da1 h1:j9HaafapDbPbGRDku6e/HRs6KBMcKHiWcm1/9Sbxnl4=
-github.com/0xAX/notificator v0.0.0-20191016112426-3962a5ea8da1/go.mod h1:NtXa9WwQsukMHZpjNakTTz0LArxvGYdPA9CjIcUSZ6s=
-github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
+entgo.io/ent v0.11.8 h1:M/M0QL1CYCUSdqGRXUrXhFYSDRJPsOOrr+RLEej/gyQ=
+entgo.io/ent v0.11.8/go.mod h1:ericBi6Q8l3wBH1wEIDfKxw7rcQEuRPyBfbIzjtxJ18=
+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/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/CloudyKit/fastprinter v0.0.0-20200109182630-33d98a066a53/go.mod h1:+3IMCy2vIlbG1XG/0ggNQv0SvxCAIpPM5b1nCz56Xno=
-github.com/CloudyKit/jet/v3 v3.0.0/go.mod h1:HKQPgSJmdK8hdoAbKUUWajkHyHo4RaU5rMdUywE7VMo=
-github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
-github.com/Masterminds/semver/v3 v3.1.0 h1:Y2lUDsFKVRSYGojLJ1yLxSXdMmMYTYls0rCvoqmMUQk=
-github.com/Masterminds/semver/v3 v3.1.0/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
+github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
+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 h1:pHA4K54ifoogVLunGGHi3xyF5Nz4x+Uh3dJuy3NwGQQ=
 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-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/gluon v0.15.1-0.20230331095629-e23a7a1be2a8 h1:USMR8imbxkP4Ailch4ceV3hCZTaANMIGHhb5rpZFYn4=
+github.com/ProtonMail/gluon v0.15.1-0.20230331095629-e23a7a1be2a8/go.mod h1:yA4hk6CJw0BMo+YL8Y3ckCYs5L20sysu9xseshwY3QI=
+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 v0.0.0-20210428141323-04723f9f07d7/go.mod h1:z4/9nQmJSSwwds7ejkxaJwO37dru3geImFUdJlaLzQo=
-github.com/ProtonMail/go-crypto v0.0.0-20210512092938-c05353c2d58c/go.mod h1:z4/9nQmJSSwwds7ejkxaJwO37dru3geImFUdJlaLzQo=
-github.com/ProtonMail/go-crypto v0.0.0-20210707164159-52430bf6b52c h1:FP7mMdsXy0ybzar1sJeIcZtaJka0U/ZmLTW4wRpolYk=
-github.com/ProtonMail/go-crypto v0.0.0-20210707164159-52430bf6b52c/go.mod h1:z4/9nQmJSSwwds7ejkxaJwO37dru3geImFUdJlaLzQo=
-github.com/ProtonMail/go-imap v0.0.0-20201228133358-4db68cea0cac h1:2xU3QncAiS/W3UlWZTkbNKW5WkLzk6Egl1T0xX+sbjs=
-github.com/ProtonMail/go-imap v0.0.0-20201228133358-4db68cea0cac/go.mod h1:yKASt+C3ZiDAiCSssxg9caIckWF/JG7ZQTO7GAmvicU=
-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-crypto v0.0.0-20230124153114-0acdc8ae009b/go.mod h1:I0gYDMZ6Z5GRU7l58bNFSkPTFN6Yl12dsUlAZ8xy98g=
+github.com/ProtonMail/go-crypto v0.0.0-20230217124315-7d5c6f04bbb8 h1:wPbRQzjjwFc0ih8puEVAOFGELsn1zoIIYdxvML7mDxA=
+github.com/ProtonMail/go-crypto v0.0.0-20230217124315-7d5c6f04bbb8/go.mod h1:I0gYDMZ6Z5GRU7l58bNFSkPTFN6Yl12dsUlAZ8xy98g=
 github.com/ProtonMail/go-message v0.0.0-20210611055058-fabeff2ec753 h1:I8IsYA297x0QLU80G5I6aLYUu3JYNSpo8j5fkXtFDW0=
 github.com/ProtonMail/go-message v0.0.0-20210611055058-fabeff2ec753/go.mod h1:NBAn21zgCJ/52WLDyed18YvYFm5tEoeDauubFqLokM4=
-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-rfc5322 v0.8.0 h1:7emrf75n3CDIduQflx7aT1nJa5h/kGsiFKUYX/+IAkU=
-github.com/ProtonMail/go-rfc5322 v0.8.0/go.mod h1:BwpTbkJxkMGkc+pC84AXZnwuWOisEULBpfPIyIKS/Us=
-github.com/ProtonMail/go-srp v0.0.1 h1:J0O9Zb5XTC6iDrB7feH41cu+TUEB+l7uHctXIK6oS2o=
-github.com/ProtonMail/go-srp v0.0.1/go.mod h1:Uvv5cqSGCs8MTZ8sbKiCkBnaB6/OA3eq2mc77tl2VVA=
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@@ -481,19 +470,19 @@ golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73r
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 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
@@ -587,35 +586,40 @@ google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20230221151758-ace64dc21148 h1:muK+gVBJBfFb4SejshDBlN2/UgxCCOKH9Y34ljqEGOc=
+google.golang.org/genproto v0.0.0-20230221151758-ace64dc21148/go.mod h1:3Dl5ZL0q0isWJt+FVcfpQyirqemEuLAK/iFvg1UP1Hw=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
+google.golang.org/grpc v1.53.0 h1:LAv2ds7cmFV/XTS3XG1NneeENYrXGmorPxsBbptIjNc=
+google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
-gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/ini.v1 v1.51.1/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0/go.mod h1:WDnlLJ4WF5VGsH/HVa3CI79GS0ol3YnhVnKP89i0kNg=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+howett.net/plist v1.0.0 h1:7CrbWYbPPO/PyNy38b2EB/+gYbjCe2DXBxgtOOZbSQM=
+howett.net/plist v1.0.0/go.mod h1:lqaXoTrLY4hg8tnEzNru53gicrbv7rrk+2xJA/7hw9g=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

internal/api/api.go

@@ -1,85 +0,0 @@
-// Copyright (c) 2021 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 (
-	"fmt"
-	"net/http"
-
-	"github.com/ProtonMail/proton-bridge/internal/bridge"
-	"github.com/ProtonMail/proton-bridge/internal/config/settings"
-	"github.com/ProtonMail/proton-bridge/internal/events"
-	"github.com/ProtonMail/proton-bridge/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
-	settings      *settings.Settings
-	eventListener listener.Listener
-}
-
-// NewAPIServer returns prepared API server struct.
-func NewAPIServer(settings *settings.Settings, eventListener listener.Listener) *apiServer { //nolint[golint]
-	return &apiServer{
-		host:          bridge.Host,
-		settings:      settings,
-		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,
-	}
-
-	log.Info("API listening at ", addr)
-	if err := server.ListenAndServe(); 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.settings.GetInt(settings.APIPortKey)
-	newPort := ports.FindFreePortFrom(port)
-	if newPort != port {
-		api.settings.SetInt(settings.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) 2021 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

@@ -1,51 +0,0 @@
-// Copyright (c) 2021 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 (
-	"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) error {
-	addr := getAPIAddress(bridge.Host, port)
-	resp, err := (&http.Client{}).Get("http://" + 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 +1,429 @@
+// 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"
+	"math/rand"
+	"net/http"
+	"net/http/cookiejar"
+	"os"
+	"path/filepath"
+	"runtime"
+	"time"
+
+	"github.com/Masterminds/semver/v3"
+	"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/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"
+)
+
+const (
+	appUsage = "Proton Mail IMAP and SMTP 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,
+		},
+	}
+
+	app.Action = run
+
+	return app
+}
+
+func run(c *cli.Context) error {
+	// Seed the default RNG from the math/rand package.
+	rand.Seed(time.Now().UnixNano())
+
+	// 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]
+	}
+
+	// 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() error {
+						// 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 {
+								// Report insecure vault.
+								if insecure {
+									_ = reporter.ReportMessageWithContext("Vault is insecure", map[string]interface{}{})
+								}
+
+								// Report corrupt vault.
+								if corrupt {
+									_ = reporter.ReportMessageWithContext("Vault is corrupt", map[string]interface{}{})
+								}
+
+								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")
+									}
+								}
+
+								// 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)
+										}
+
+										// 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() 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.
+	if err := logging.Init(logsPath, 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))
+
+	logrus.
+		WithField("appName", constants.FullAppName).
+		WithField("version", constants.Version).
+		WithField("revision", constants.Revision).
+		WithField("build", constants.BuildTime).
+		WithField("runtime", runtime.GOOS).
+		WithField("args", os.Args).
+		Info("Run app")
+
+	return fn()
+}
+
+// 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 crashHandler.HandlePanic()
+
+	// 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)
+	}
+
+	// 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)
+}

internal/app/base/args.go

@@ -1,35 +0,0 @@
-// Copyright (c) 2021 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package base
-
-import "strings"
-
-// StripProcessSerialNumber removes additional flag from macOS.
-// More info:
-// http://mirror.informatimago.com/next/developer.apple.com/documentation/Carbon/Reference/Process_Manager/prmref_main/data_type_5.html#//apple_ref/doc/uid/TP30000208/C001951
-func StripProcessSerialNumber(args []string) []string {
-	res := args[:0]
-
-	for _, arg := range args {
-		if !strings.Contains(arg, "-psn_") {
-			res = append(res, arg)
-		}
-	}
-
-	return res
-}

internal/app/base/base.go

@@ -1,396 +0,0 @@
-// Copyright (c) 2021 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Package base implements a common application base currently shared by bridge and IE.
-// The base includes the following:
-//  - access to standard filesystem locations like config, cache, logging dirs
-//  - an extensible crash handler
-//  - versioned cache directory
-//  - persistent settings
-//  - event listener
-//  - credentials store
-//  - pmapi Manager
-// In addition, the base initialises logging and reacts to command line arguments
-// which control the log verbosity and enable cpu/memory profiling.
-package base
-
-import (
-	"math/rand"
-	"os"
-	"path/filepath"
-	"runtime"
-	"runtime/pprof"
-	"time"
-
-	"github.com/Masterminds/semver/v3"
-	"github.com/ProtonMail/go-autostart"
-	"github.com/ProtonMail/gopenpgp/v2/crypto"
-	"github.com/ProtonMail/proton-bridge/internal/api"
-	"github.com/ProtonMail/proton-bridge/internal/config/cache"
-	"github.com/ProtonMail/proton-bridge/internal/config/settings"
-	"github.com/ProtonMail/proton-bridge/internal/config/tls"
-	"github.com/ProtonMail/proton-bridge/internal/config/useragent"
-	"github.com/ProtonMail/proton-bridge/internal/constants"
-	"github.com/ProtonMail/proton-bridge/internal/cookies"
-	"github.com/ProtonMail/proton-bridge/internal/crash"
-	"github.com/ProtonMail/proton-bridge/internal/events"
-	"github.com/ProtonMail/proton-bridge/internal/locations"
-	"github.com/ProtonMail/proton-bridge/internal/logging"
-	"github.com/ProtonMail/proton-bridge/internal/sentry"
-	"github.com/ProtonMail/proton-bridge/internal/updater"
-	"github.com/ProtonMail/proton-bridge/internal/users/credentials"
-	"github.com/ProtonMail/proton-bridge/internal/versioner"
-	"github.com/ProtonMail/proton-bridge/pkg/keychain"
-	"github.com/ProtonMail/proton-bridge/pkg/listener"
-	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
-	"github.com/allan-simon/go-singleinstance"
-	"github.com/sirupsen/logrus"
-	"github.com/urfave/cli/v2"
-)
-
-const (
-	flagCPUProfile      = "cpu-prof"
-	flagCPUProfileShort = "p"
-	flagMemProfile      = "mem-prof"
-	flagMemProfileShort = "m"
-	flagLogLevel        = "log-level"
-	flagLogLevelShort   = "l"
-	// FlagCLI indicate to start with command line interface.
-	FlagCLI      = "cli"
-	flagCLIShort = "c"
-	flagRestart  = "restart"
-	FlagLauncher = "launcher"
-	FlagNoWindow = "no-window"
-)
-
-type Base struct {
-	SentryReporter *sentry.Reporter
-	CrashHandler   *crash.Handler
-	Locations      *locations.Locations
-	Settings       *settings.Settings
-	Lock           *os.File
-	Cache          *cache.Cache
-	Listener       listener.Listener
-	Creds          *credentials.Store
-	CM             pmapi.Manager
-	CookieJar      *cookies.Jar
-	UserAgent      *useragent.UserAgent
-	Updater        *updater.Updater
-	Versioner      *versioner.Versioner
-	TLS            *tls.TLS
-	Autostart      *autostart.App
-
-	Name    string // the app's name
-	usage   string // the app's usage description
-	command string // the command used to launch the app (either the exe path or the launcher path)
-	restart bool   // whether the app is currently set to restart
-
-	teardown []func() error // actions to perform when app is exiting
-}
-
-func New( // nolint[funlen]
-	appName,
-	appUsage,
-	configName,
-	updateURLName,
-	keychainName,
-	cacheVersion string,
-) (*Base, error) {
-	userAgent := useragent.New()
-
-	sentryReporter := sentry.NewReporter(appName, constants.Version, userAgent)
-
-	crashHandler := crash.NewHandler(
-		sentryReporter.ReportException,
-		crash.ShowErrorNotification(appName),
-	)
-	defer crashHandler.HandlePanic()
-
-	rand.Seed(time.Now().UnixNano())
-	os.Args = StripProcessSerialNumber(os.Args)
-
-	locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, configName))
-	if err != nil {
-		return nil, err
-	}
-
-	locations := locations.New(locationsProvider, configName)
-
-	logsPath, err := locations.ProvideLogsPath()
-	if err != nil {
-		return nil, err
-	}
-	if err := logging.Init(logsPath); err != nil {
-		return nil, err
-	}
-	crashHandler.AddRecoveryAction(logging.DumpStackTrace(logsPath))
-
-	if err := migrateFiles(configName); err != nil {
-		logrus.WithError(err).Warn("Old config files could not be migrated")
-	}
-
-	if err := locations.Clean(); err != nil {
-		return nil, err
-	}
-
-	settingsPath, err := locations.ProvideSettingsPath()
-	if err != nil {
-		return nil, err
-	}
-	settingsObj := settings.New(settingsPath)
-
-	lock, err := singleinstance.CreateLockFile(locations.GetLockFile())
-	if err != nil {
-		logrus.Warnf("%v is already running", appName)
-		return nil, api.CheckOtherInstanceAndFocus(settingsObj.GetInt(settings.APIPortKey))
-	}
-
-	cachePath, err := locations.ProvideCachePath()
-	if err != nil {
-		return nil, err
-	}
-	cache, err := cache.New(cachePath, cacheVersion)
-	if err != nil {
-		return nil, err
-	}
-	if err := cache.RemoveOldVersions(); err != nil {
-		return nil, err
-	}
-
-	listener := listener.New()
-	events.SetupEvents(listener)
-
-	// If we can't load the keychain for whatever reason,
-	// we signal to frontend and supply a dummy keychain that always returns errors.
-	kc, err := keychain.NewKeychain(settingsObj, keychainName)
-	if err != nil {
-		listener.Emit(events.CredentialsErrorEvent, err.Error())
-		kc = keychain.NewMissingKeychain()
-	}
-
-	cfg := pmapi.NewConfig(configName, constants.Version)
-	cfg.GetUserAgent = userAgent.String
-	cfg.UpgradeApplicationHandler = func() { listener.Emit(events.UpgradeApplicationEvent, "") }
-	cfg.TLSIssueHandler = func() { listener.Emit(events.TLSCertIssue, "") }
-
-	cm := pmapi.New(cfg)
-
-	cm.AddConnectionObserver(pmapi.NewConnectionObserver(
-		func() { listener.Emit(events.InternetOffEvent, "") },
-		func() { listener.Emit(events.InternetOnEvent, "") },
-	))
-
-	jar, err := cookies.NewCookieJar(settingsObj)
-	if err != nil {
-		return nil, err
-	}
-
-	cm.SetCookieJar(jar)
-
-	key, err := crypto.NewKeyFromArmored(updater.DefaultPublicKey)
-	if err != nil {
-		return nil, err
-	}
-
-	kr, err := crypto.NewKeyRing(key)
-	if err != nil {
-		return nil, err
-	}
-
-	updatesDir, err := locations.ProvideUpdatesPath()
-	if err != nil {
-		return nil, err
-	}
-
-	versioner := versioner.New(updatesDir)
-	installer := updater.NewInstaller(versioner)
-	updater := updater.New(
-		cm,
-		installer,
-		settingsObj,
-		kr,
-		semver.MustParse(constants.Version),
-		updateURLName,
-		runtime.GOOS,
-	)
-
-	exe, err := os.Executable()
-	if err != nil {
-		return nil, err
-	}
-
-	autostart := &autostart.App{
-		Name:        appName,
-		DisplayName: appName,
-		Exec:        []string{exe, "--" + FlagNoWindow},
-	}
-
-	return &Base{
-		SentryReporter: sentryReporter,
-		CrashHandler:   crashHandler,
-		Locations:      locations,
-		Settings:       settingsObj,
-		Lock:           lock,
-		Cache:          cache,
-		Listener:       listener,
-		Creds:          credentials.NewStore(kc),
-		CM:             cm,
-		CookieJar:      jar,
-		UserAgent:      userAgent,
-		Updater:        updater,
-		Versioner:      versioner,
-		TLS:            tls.New(settingsPath),
-		Autostart:      autostart,
-
-		Name:  appName,
-		usage: appUsage,
-
-		// By default, the command is the app's executable.
-		// This can be changed at runtime by using the "--launcher" flag.
-		command: exe,
-	}, nil
-}
-
-func (b *Base) NewApp(mainLoop func(*Base, *cli.Context) error) *cli.App {
-	app := cli.NewApp()
-
-	app.Name = b.Name
-	app.Usage = b.usage
-	app.Version = constants.Version
-	app.Action = b.wrapMainLoop(mainLoop)
-	app.Flags = []cli.Flag{
-		&cli.BoolFlag{
-			Name:    flagCPUProfile,
-			Aliases: []string{flagCPUProfileShort},
-			Usage:   "Generate CPU profile",
-		},
-		&cli.BoolFlag{
-			Name:    flagMemProfile,
-			Aliases: []string{flagMemProfileShort},
-			Usage:   "Generate memory profile",
-		},
-		&cli.StringFlag{
-			Name:    flagLogLevel,
-			Aliases: []string{flagLogLevelShort},
-			Usage:   "Set the log level (one of panic, fatal, error, warn, info, debug)",
-		},
-		&cli.BoolFlag{
-			Name:    FlagCLI,
-			Aliases: []string{flagCLIShort},
-			Usage:   "Use command line interface",
-		},
-		&cli.BoolFlag{
-			Name:  FlagNoWindow,
-			Usage: "Don't show window after start",
-		},
-		&cli.StringFlag{
-			Name:   flagRestart,
-			Usage:  "The number of times the application has already restarted",
-			Hidden: true,
-		},
-		&cli.StringFlag{
-			Name:   FlagLauncher,
-			Usage:  "The launcher to use to restart the application",
-			Hidden: true,
-		},
-	}
-
-	return app
-}
-
-// SetToRestart sets the app to restart the next time it is closed.
-func (b *Base) SetToRestart() {
-	b.restart = true
-}
-
-// AddTeardownAction adds an action to perform during app teardown.
-func (b *Base) AddTeardownAction(fn func() error) {
-	b.teardown = append(b.teardown, fn)
-}
-
-func (b *Base) wrapMainLoop(appMainLoop func(*Base, *cli.Context) error) cli.ActionFunc { // nolint[funlen]
-	return func(c *cli.Context) error {
-		defer b.CrashHandler.HandlePanic()
-		defer func() { _ = b.Lock.Close() }()
-
-		// If launcher was used to start the app, use that for restart
-		// and autostart.
-		if launcher := c.String(FlagLauncher); launcher != "" {
-			b.command = launcher
-			// Bridge supports no-window option which we should use
-			// for autostart.
-			b.Autostart.Exec = []string{launcher, "--" + FlagNoWindow}
-		}
-
-		if c.Bool(flagCPUProfile) {
-			startCPUProfile()
-			defer pprof.StopCPUProfile()
-		}
-
-		if c.Bool(flagMemProfile) {
-			defer makeMemoryProfile()
-		}
-
-		logging.SetLevel(c.String(flagLogLevel))
-		b.CM.SetLogging(logrus.WithField("pkg", "pmapi"), logrus.GetLevel() == logrus.TraceLevel)
-
-		logrus.
-			WithField("appName", b.Name).
-			WithField("version", constants.Version).
-			WithField("revision", constants.Revision).
-			WithField("build", constants.BuildTime).
-			WithField("runtime", runtime.GOOS).
-			WithField("args", os.Args).
-			Info("Run app")
-
-		b.CrashHandler.AddRecoveryAction(func(interface{}) error {
-			if c.Int(flagRestart) > maxAllowedRestarts {
-				logrus.
-					WithField("restart", c.Int("restart")).
-					Warn("Not restarting, already restarted too many times")
-
-				return nil
-			}
-
-			return b.restartApp(true)
-		})
-
-		if err := appMainLoop(b, c); err != nil {
-			return err
-		}
-
-		if err := b.doTeardown(); err != nil {
-			return err
-		}
-
-		if b.restart {
-			return b.restartApp(false)
-		}
-
-		return nil
-	}
-}
-
-func (b *Base) doTeardown() error {
-	for _, action := range b.teardown {
-		if err := action(); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}

internal/app/base/migration.go

@@ -1,131 +0,0 @@
-// Copyright (c) 2021 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package base
-
-import (
-	"os"
-	"path/filepath"
-
-	"github.com/ProtonMail/proton-bridge/internal/constants"
-	"github.com/ProtonMail/proton-bridge/internal/locations"
-	"github.com/sirupsen/logrus"
-)
-
-// migrateFiles migrates files from their old (pre-refactor) locations to their new locations.
-// We can remove this eventually.
-//
-// | entity    |               old location                |            new location                |
-// |-----------|-------------------------------------------|----------------------------------------|
-// | prefs     | ~/.cache/protonmail/<app>/c11/prefs.json  | ~/.config/protonmail/<app>/prefs.json  |
-// | c11 1.5.x | ~/.cache/protonmail/<app>/c11             | ~/.cache/protonmail/<app>/cache/c11    |
-// | c11 1.6.x | ~/.cache/protonmail/<app>/cache/c11       | ~/.config/protonmail/<app>/cache/c11   |
-// | updates   | ~/.cache/protonmail/<app>/updates         | ~/.config/protonmail/<app>/updates     |.
-func migrateFiles(configName string) error {
-	locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, configName))
-	if err != nil {
-		return err
-	}
-
-	locations := locations.New(locationsProvider, configName)
-	userCacheDir := locationsProvider.UserCache()
-
-	if err := migratePrefsFrom15x(locations, userCacheDir); err != nil {
-		return err
-	}
-	if err := migrateCacheFromBoth15xAnd16x(locations, userCacheDir); err != nil {
-		return err
-	}
-	if err := migrateUpdatesFrom16x(configName, locations); err != nil { //nolint[revive] It is more clear to structure this way
-		return err
-	}
-	return nil
-}
-
-func migratePrefsFrom15x(locations *locations.Locations, userCacheDir string) error {
-	newSettingsDir, err := locations.ProvideSettingsPath()
-	if err != nil {
-		return err
-	}
-
-	return moveIfExists(
-		filepath.Join(userCacheDir, "c11", "prefs.json"),
-		filepath.Join(newSettingsDir, "prefs.json"),
-	)
-}
-
-func migrateCacheFromBoth15xAnd16x(locations *locations.Locations, userCacheDir string) error {
-	olderCacheDir := userCacheDir
-	newerCacheDir := locations.GetOldCachePath()
-	latestCacheDir, err := locations.ProvideCachePath()
-	if err != nil {
-		return err
-	}
-
-	// Migration for versions before 1.6.x.
-	if err := moveIfExists(
-		filepath.Join(olderCacheDir, "c11"),
-		filepath.Join(latestCacheDir, "c11"),
-	); err != nil {
-		return err
-	}
-
-	// Migration for versions 1.6.x.
-	return moveIfExists(
-		filepath.Join(newerCacheDir, "c11"),
-		filepath.Join(latestCacheDir, "c11"),
-	)
-}
-
-func migrateUpdatesFrom16x(configName string, locations *locations.Locations) error {
-	// In order to properly update Bridge 1.6.X and higher we need to
-	// change the launcher first. Since this is not part of automatic
-	// updates the migration must wait until manual update. Until that
-	// we need to keep old path.
-	if configName == "bridge" {
-		return nil
-	}
-
-	oldUpdatesPath := locations.GetOldUpdatesPath()
-	// Do not use ProvideUpdatesPath, that creates dir right away.
-	newUpdatesPath := locations.GetUpdatesPath()
-
-	return moveIfExists(oldUpdatesPath, newUpdatesPath)
-}
-
-func moveIfExists(source, destination string) error {
-	l := logrus.WithField("source", source).WithField("destination", destination)
-
-	if _, err := os.Stat(source); os.IsNotExist(err) {
-		l.Info("No need to migrate file, source doesn't exist")
-		return nil
-	}
-
-	if _, err := os.Stat(destination); !os.IsNotExist(err) {
-		// Once migrated, files should not stay in source anymore. Therefore
-		// if some files are still in source location but target already exist,
-		// it's suspicious. Could happen by installing new version, then the
-		// old one because of some reason, and then the new one again.
-		// Good to see as warning because it could be a reason why Bridge is
-		// behaving weirdly, like wrong configuration, or db re-sync and so on.
-		l.Warn("No need to migrate file, target already exists")
-		return nil
-	}
-
-	l.Info("Migrating files")
-	return os.Rename(source, destination)
-}

internal/app/base/profiling.go

@@ -1,56 +0,0 @@
-// Copyright (c) 2021 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package base
-
-import (
-	"os"
-	"path/filepath"
-	"runtime"
-	"runtime/pprof"
-
-	"github.com/sirupsen/logrus"
-)
-
-// startCPUProfile starts CPU pprof.
-func startCPUProfile() {
-	f, err := os.Create("./cpu.pprof")
-	if err != nil {
-		logrus.Fatal("Could not create CPU profile: ", err)
-	}
-	if err := pprof.StartCPUProfile(f); err != nil {
-		logrus.Fatal("Could not start CPU profile: ", err)
-	}
-}
-
-// makeMemoryProfile generates memory pprof.
-func makeMemoryProfile() {
-	name := "./mem.pprof"
-	f, err := os.Create(name)
-	if err != nil {
-		logrus.Fatal("Could not create memory profile: ", err)
-	}
-	if abs, err := filepath.Abs(name); err == nil {
-		name = abs
-	}
-	logrus.Info("Writing memory profile to ", name)
-	runtime.GC() // get up-to-date statistics
-	if err := pprof.WriteHeapProfile(f); err != nil {
-		logrus.Fatal("Could not write memory profile: ", err)
-	}
-	_ = f.Close()
-}

internal/app/base/restart.go

@@ -1,79 +0,0 @@
-// Copyright (c) 2021 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package base
-
-import (
-	"os"
-	"os/exec"
-	"strconv"
-
-	"github.com/sirupsen/logrus"
-)
-
-// maxAllowedRestarts controls after how many crashes the app will give up restarting.
-const maxAllowedRestarts = 10
-
-func (b *Base) restartApp(crash bool) error {
-	var args []string
-
-	if crash {
-		args = incrementRestartFlag(os.Args)[1:]
-	} else {
-		args = os.Args[1:]
-	}
-
-	logrus.
-		WithField("command", b.command).
-		WithField("args", args).
-		Warn("Restarting")
-
-	return exec.Command(b.command, args...).Start() // nolint[gosec]
-}
-
-// incrementRestartFlag increments the value of the restart flag.
-// If no such flag is present, it is added with initial value 1.
-func incrementRestartFlag(args []string) []string {
-	res := append([]string{}, args...)
-
-	hasFlag := false
-
-	for k, v := range res {
-		if v != "--restart" {
-			continue
-		}
-
-		hasFlag = true
-
-		if k+1 >= len(res) {
-			continue
-		}
-
-		n, err := strconv.Atoi(res[k+1])
-		if err != nil {
-			res[k+1] = "1"
-		} else {
-			res[k+1] = strconv.Itoa(n + 1)
-		}
-	}
-
-	if !hasFlag {
-		res = append(res, "--restart", "1")
-	}
-
-	return res
-}

internal/app/base/restart_test.go

@@ -1,49 +0,0 @@
-// Copyright (c) 2021 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package base
-
-import (
-	"strings"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestIncrementRestartFlag(t *testing.T) {
-	var tests = []struct {
-		in  []string
-		out []string
-	}{
-		{[]string{"./bridge", "--restart", "1"}, []string{"./bridge", "--restart", "2"}},
-		{[]string{"./bridge", "--restart", "2"}, []string{"./bridge", "--restart", "3"}},
-		{[]string{"./bridge", "--other", "--restart", "2"}, []string{"./bridge", "--other", "--restart", "3"}},
-		{[]string{"./bridge", "--restart", "2", "--other"}, []string{"./bridge", "--restart", "3", "--other"}},
-		{[]string{"./bridge", "--restart", "2", "--other", "2"}, []string{"./bridge", "--restart", "3", "--other", "2"}},
-		{[]string{"./bridge"}, []string{"./bridge", "--restart", "1"}},
-		{[]string{"./bridge", "--something"}, []string{"./bridge", "--something", "--restart", "1"}},
-		{[]string{"./bridge", "--something", "--else"}, []string{"./bridge", "--something", "--else", "--restart", "1"}},
-		{[]string{"./bridge", "--restart", "bad"}, []string{"./bridge", "--restart", "1"}},
-		{[]string{"./bridge", "--restart", "bad", "--other"}, []string{"./bridge", "--restart", "1", "--other"}},
-	}
-
-	for _, tt := range tests {
-		t.Run(strings.Join(tt.in, " "), func(t *testing.T) {
-			assert.Equal(t, tt.out, incrementRestartFlag(tt.in))
-		})
-	}
-}

internal/app/bridge.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 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/bridge/bridge.go

@@ -1,311 +0,0 @@
-// Copyright (c) 2021 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Package bridge implements the bridge CLI application.
-package bridge
-
-import (
-	"crypto/tls"
-	"time"
-
-	"github.com/ProtonMail/proton-bridge/internal/api"
-	"github.com/ProtonMail/proton-bridge/internal/app/base"
-	pkgBridge "github.com/ProtonMail/proton-bridge/internal/bridge"
-	"github.com/ProtonMail/proton-bridge/internal/config/settings"
-	pkgTLS "github.com/ProtonMail/proton-bridge/internal/config/tls"
-	"github.com/ProtonMail/proton-bridge/internal/constants"
-	"github.com/ProtonMail/proton-bridge/internal/frontend"
-	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
-	"github.com/ProtonMail/proton-bridge/internal/imap"
-	"github.com/ProtonMail/proton-bridge/internal/smtp"
-	"github.com/ProtonMail/proton-bridge/internal/store"
-	"github.com/ProtonMail/proton-bridge/internal/store/cache"
-	"github.com/ProtonMail/proton-bridge/internal/updater"
-	"github.com/ProtonMail/proton-bridge/pkg/message"
-	"github.com/pkg/errors"
-	"github.com/sirupsen/logrus"
-	"github.com/urfave/cli/v2"
-)
-
-const (
-	flagLogIMAP        = "log-imap"
-	flagLogSMTP        = "log-smtp"
-	flagNonInteractive = "noninteractive"
-
-	// Memory cache was estimated by empirical usage in past and it was set to 100MB.
-	// NOTE: This value must not be less than maximal size of one email (~30MB).
-	inMemoryCacheLimnit = 100 * (1 << 20)
-)
-
-func New(base *base.Base) *cli.App {
-	app := base.NewApp(mailLoop)
-
-	app.Flags = append(app.Flags, []cli.Flag{
-		&cli.StringFlag{
-			Name:  flagLogIMAP,
-			Usage: "Enable logging of IMAP communications (all|client|server) (may contain decrypted data!)"},
-		&cli.BoolFlag{
-			Name:  flagLogSMTP,
-			Usage: "Enable logging of SMTP communications (may contain decrypted data!)"},
-		&cli.BoolFlag{
-			Name:  flagNonInteractive,
-			Usage: "Start Bridge entirely noninteractively"},
-	}...)
-
-	return app
-}
-
-func mailLoop(b *base.Base, c *cli.Context) error { // nolint[funlen]
-	tlsConfig, err := loadTLSConfig(b)
-	if err != nil {
-		return err
-	}
-
-	cache, cacheErr := loadMessageCache(b)
-	if cacheErr != nil {
-		logrus.WithError(cacheErr).Error("Could not load local cache.")
-	}
-
-	builder := message.NewBuilder(
-		b.Settings.GetInt(settings.FetchWorkers),
-		b.Settings.GetInt(settings.AttachmentWorkers),
-	)
-
-	bridge := pkgBridge.New(
-		b.Locations,
-		b.Cache,
-		b.Settings,
-		b.SentryReporter,
-		b.CrashHandler,
-		b.Listener,
-		cache,
-		builder,
-		b.CM,
-		b.Creds,
-		b.Updater,
-		b.Versioner,
-		b.Autostart,
-	)
-	imapBackend := imap.NewIMAPBackend(b.CrashHandler, b.Listener, b.Cache, b.Settings, bridge)
-	smtpBackend := smtp.NewSMTPBackend(b.CrashHandler, b.Listener, b.Settings, bridge)
-
-	if cacheErr != nil {
-		bridge.AddError(pkgBridge.ErrLocalCacheUnavailable)
-	}
-
-	go func() {
-		defer b.CrashHandler.HandlePanic()
-		api.NewAPIServer(b.Settings, b.Listener).ListenAndServe()
-	}()
-
-	go func() {
-		defer b.CrashHandler.HandlePanic()
-		imapPort := b.Settings.GetInt(settings.IMAPPortKey)
-		imap.NewIMAPServer(
-			b.CrashHandler,
-			c.String(flagLogIMAP) == "client" || c.String(flagLogIMAP) == "all",
-			c.String(flagLogIMAP) == "server" || c.String(flagLogIMAP) == "all",
-			imapPort, tlsConfig, imapBackend, b.UserAgent, b.Listener).ListenAndServe()
-	}()
-
-	go func() {
-		defer b.CrashHandler.HandlePanic()
-		smtpPort := b.Settings.GetInt(settings.SMTPPortKey)
-		useSSL := b.Settings.GetBool(settings.SMTPSSLKey)
-		smtp.NewSMTPServer(
-			b.CrashHandler,
-			c.Bool(flagLogSMTP),
-			smtpPort, useSSL, tlsConfig, smtpBackend, b.Listener).ListenAndServe()
-	}()
-
-	// We want to remove old versions if the app exits successfully.
-	b.AddTeardownAction(b.Versioner.RemoveOldVersions)
-
-	// We want cookies to be saved to disk so they are loaded the next time.
-	b.AddTeardownAction(b.CookieJar.PersistCookies)
-
-	var frontendMode string
-
-	switch {
-	case c.Bool(base.FlagCLI):
-		frontendMode = "cli"
-	case c.Bool(flagNonInteractive):
-		return <-(make(chan error)) // Block forever.
-	default:
-		frontendMode = "qt"
-	}
-
-	f := frontend.New(
-		constants.Version,
-		constants.BuildVersion,
-		b.Name,
-		frontendMode,
-		!c.Bool(base.FlagNoWindow),
-		b.CrashHandler,
-		b.Locations,
-		b.Settings,
-		b.Listener,
-		b.Updater,
-		b.UserAgent,
-		bridge,
-		smtpBackend,
-		b,
-	)
-
-	// Watch for updates routine
-	go func() {
-		ticker := time.NewTicker(constants.UpdateCheckInterval)
-
-		for {
-			checkAndHandleUpdate(b.Updater, f, b.Settings.GetBool(settings.AutoUpdateKey))
-			<-ticker.C
-		}
-	}()
-
-	return f.Loop()
-}
-
-func loadTLSConfig(b *base.Base) (*tls.Config, error) {
-	if !b.TLS.HasCerts() {
-		if err := generateTLSCerts(b); err != nil {
-			return nil, err
-		}
-	}
-
-	tlsConfig, err := b.TLS.GetConfig()
-	if err == nil {
-		return tlsConfig, nil
-	}
-
-	logrus.WithError(err).Error("Failed to load TLS config, regenerating certificates")
-
-	if err := generateTLSCerts(b); err != nil {
-		return nil, err
-	}
-
-	return b.TLS.GetConfig()
-}
-
-func generateTLSCerts(b *base.Base) error {
-	template, err := pkgTLS.NewTLSTemplate()
-	if err != nil {
-		return errors.Wrap(err, "failed to generate TLS template")
-	}
-
-	if err := b.TLS.GenerateCerts(template); err != nil {
-		return errors.Wrap(err, "failed to generate TLS certs")
-	}
-
-	if err := b.TLS.InstallCerts(); err != nil {
-		return errors.Wrap(err, "failed to install TLS certs")
-	}
-
-	return nil
-}
-
-func checkAndHandleUpdate(u types.Updater, f frontend.Frontend, autoUpdate bool) {
-	log := logrus.WithField("pkg", "app/bridge")
-	version, err := u.Check()
-	if err != nil {
-		log.WithError(err).Error("An error occurred while checking for updates")
-		return
-	}
-
-	f.WaitUntilFrontendIsReady()
-
-	// Update links in UI
-	f.SetVersion(version)
-
-	if !u.IsUpdateApplicable(version) {
-		log.Info("No need to update")
-		return
-	}
-
-	log.WithField("version", version.Version).Info("An update is available")
-
-	if !autoUpdate {
-		f.NotifyManualUpdate(version, u.CanInstall(version))
-		return
-	}
-
-	if !u.CanInstall(version) {
-		log.Info("A manual update is required")
-		f.NotifySilentUpdateError(updater.ErrManualUpdateRequired)
-		return
-	}
-
-	if err := u.InstallUpdate(version); err != nil {
-		if errors.Cause(err) == updater.ErrDownloadVerify {
-			log.WithError(err).Warning("Skipping update installation due to temporary error")
-		} else {
-			log.WithError(err).Error("The update couldn't be installed")
-			f.NotifySilentUpdateError(err)
-		}
-
-		return
-	}
-
-	f.NotifySilentUpdateInstalled()
-}
-
-// loadMessageCache loads local cache in case it is enabled in settings and available.
-// In any other case it is returning in-memory cache. Could also return an error in case
-// local cache is enabled but unavailable (in-memory cache will be returned nevertheless).
-func loadMessageCache(b *base.Base) (cache.Cache, error) {
-	if !b.Settings.GetBool(settings.CacheEnabledKey) {
-		return cache.NewInMemoryCache(inMemoryCacheLimnit), nil
-	}
-
-	var compressor cache.Compressor
-
-	// NOTE(GODT-1158): Changing compression is not an option currently
-	// available for user but, if user changes compression setting we have
-	// to nuke the cache.
-	if b.Settings.GetBool(settings.CacheCompressionKey) {
-		compressor = &cache.GZipCompressor{}
-	} else {
-		compressor = &cache.NoopCompressor{}
-	}
-
-	var path string
-
-	if customPath := b.Settings.Get(settings.CacheLocationKey); customPath != "" {
-		path = customPath
-	} else {
-		path = b.Cache.GetDefaultMessageCacheDir()
-		// Store path so it will allways persist if default location
-		// will be changed in new version.
-		b.Settings.Set(settings.CacheLocationKey, path)
-	}
-
-	// To prevent memory peaks we set maximal write concurency for store
-	// build jobs.
-	store.SetBuildAndCacheJobLimit(b.Settings.GetInt(settings.CacheConcurrencyWrite))
-
-	messageCache, err := cache.NewOnDiskCache(path, compressor, cache.Options{
-		MinFreeAbs:      uint64(b.Settings.GetInt(settings.CacheMinFreeAbsKey)),
-		MinFreeRat:      b.Settings.GetFloat64(settings.CacheMinFreeRatKey),
-		ConcurrentRead:  b.Settings.GetInt(settings.CacheConcurrencyRead),
-		ConcurrentWrite: b.Settings.GetInt(settings.CacheConcurrencyWrite),
-	})
-
-	if err != nil {
-		return cache.NewInMemoryCache(inMemoryCacheLimnit), err
-	}
-
-	return messageCache, nil
-}

internal/app/frontend.go

@@ -0,0 +1,69 @@
+// 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).Loop()
+
+	case c.Bool(flagNonInteractive):
+		select {}
+
+	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.Debug("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 +1,54 @@
+// 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"
+	"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 {
+	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/autostart.go

@@ -1,31 +0,0 @@
-// Copyright (c) 2021 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-// Package bridge provides core functionality of Bridge app.
-package bridge
-
-func (b *Bridge) IsAutostartEnabled() bool {
-	return b.autostart.IsEnabled()
-}
-
-func (b *Bridge) EnableAutostart() error {
-	return b.autostart.Enable()
-}
-
-func (b *Bridge) DisableAutostart() error {
-	return b.autostart.Disable()
-}

internal/bridge/bridge.go

@@ -1,308 +1,595 @@
-// Copyright (c) 2021 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 (
+	"context"
+	"crypto/tls"
 	"errors"
 	"fmt"
-	"strconv"
+	"net"
+	"net/http"
+	"sync"
 	"time"
 
 	"github.com/Masterminds/semver/v3"
-	"github.com/ProtonMail/go-autostart"
-	"github.com/ProtonMail/proton-bridge/internal/config/settings"
-	"github.com/ProtonMail/proton-bridge/internal/constants"
-	"github.com/ProtonMail/proton-bridge/internal/metrics"
-	"github.com/ProtonMail/proton-bridge/internal/sentry"
-	"github.com/ProtonMail/proton-bridge/internal/store/cache"
-	"github.com/ProtonMail/proton-bridge/internal/updater"
-	"github.com/ProtonMail/proton-bridge/internal/users"
-	"github.com/ProtonMail/proton-bridge/pkg/message"
-	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
-
-	"github.com/ProtonMail/proton-bridge/pkg/listener"
-	logrus "github.com/sirupsen/logrus"
+	"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/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/user"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/bradenaw/juniper/xslices"
+	"github.com/emersion/go-smtp"
+	"github.com/go-resty/resty/v2"
+	"github.com/sirupsen/logrus"
 )
 
-var log = logrus.WithField("pkg", "bridge") //nolint[gochecknoglobals]
-
-var ErrLocalCacheUnavailable = errors.New("local cache is unavailable")
-
 type Bridge struct {
-	*users.Users
+	// vault holds bridge-specific data, such as preferences and known users (authorized or not).
+	vault *vault.Vault
 
-	locations     Locator
-	settings      SettingsProvider
-	clientManager pmapi.Manager
-	updater       Updater
-	versioner     Versioner
-	cacheProvider CacheProvider
-	autostart     *autostart.App
-	// Bridge's global errors list.
+	// users holds authorized users.
+	users     map[string]*user.User
+	usersLock safe.RWMutex
+
+	// 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.
+	imapServer   *gluon.Server
+	imapListener net.Listener
+	imapEventCh  chan imapEvents.Event
+
+	// smtpServer is the bridge's SMTP server.
+	smtpServer   *smtp.Server
+	smtpListener net.Listener
+
+	// updater is the bridge's updater.
+	updater   Updater
+	installCh chan installJob
+
+	// 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
 
-	isFirstStart bool
-	lastVersion  string
+	// 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()
+
+	uidValidityGenerator imap.UIDValidityGenerator
 }
 
+// New creates a new bridge.
 func New(
-	locations Locator,
-	cacheProvider CacheProvider,
-	setting SettingsProvider,
-	sentryReporter *sentry.Reporter,
-	panicHandler users.PanicHandler,
-	eventListener listener.Listener,
-	cache cache.Cache,
-	builder *message.Builder,
-	clientManager pmapi.Manager,
-	credStorer users.CredentialsStorer,
-	updater Updater,
-	versioner Versioner,
-	autostart *autostart.App,
-) *Bridge {
-	// Allow DoH before starting the app if the user has previously set this setting.
-	// This allows us to start even if protonmail is blocked.
-	if setting.GetBool(settings.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
 
-	u := users.New(
-		locations,
+	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,
-		eventListener,
-		clientManager,
-		credStorer,
-		newStoreFactory(cacheProvider, sentryReporter, panicHandler, eventListener, cache, builder),
+		reporter,
+
+		api,
+		identifier,
+		proxyCtl,
+		uidValidityGenerator,
+		logIMAPClient, logIMAPServer, logSMTP,
 	)
-
-	b := &Bridge{
-		Users:         u,
-		locations:     locations,
-		settings:      setting,
-		clientManager: clientManager,
-		updater:       updater,
-		versioner:     versioner,
-		cacheProvider: cacheProvider,
-		autostart:     autostart,
-		isFirstStart:  false,
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to create bridge: %w", err)
 	}
 
-	if setting.GetBool(settings.FirstStartKey) {
-		b.isFirstStart = true
-		if err := b.SendMetric(metrics.New(metrics.Setup, metrics.FirstStart, metrics.Label(constants.Version))); err != nil {
-			logrus.WithError(err).Error("Failed to send metric")
-		}
+	// Get an event channel for all events (individual events can be subscribed to later).
+	eventCh, _ := bridge.GetEvents()
 
-		if err := b.EnableAutostart(); err != nil {
-			log.WithError(err).Error("Failed to enable autostart")
-		}
-		setting.SetBool(settings.FirstStartKey, false)
+	// 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)
 	}
 
-	// Keep in bridge and update in settings the last used version.
-	b.lastVersion = b.settings.Get(settings.LastVersionKey)
-	b.settings.Set(settings.LastVersionKey, constants.Version)
+	return bridge, eventCh, nil
+}
 
-	go b.heartbeat()
+func newBridge(
+	tasks *async.Group,
+	imapEventCh chan imapEvents.Event,
+
+	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)
+	}
+
+	gluonCacheDir, err := getGluonDir(vault)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get Gluon directory: %w", err)
+	}
+
+	gluonDataDir, err := locator.ProvideGluonDataPath()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get Gluon Database directory: %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)
+	}
+
+	imapServer, err := newIMAPServer(
+		gluonCacheDir,
+		gluonDataDir,
+		curVersion,
+		tlsConfig,
+		reporter,
+		logIMAPClient,
+		logIMAPServer,
+		imapEventCh,
+		tasks,
+		uidValidityGenerator,
+		panicHandler,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create IMAP server: %w", err)
+	}
+
+	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,
+		imapServer:  imapServer,
+		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,
+	}
+
+	bridge.smtpServer = newSMTPServer(bridge, tlsConfig, logSMTP)
+
+	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)
+		})
+	})
+
+	// We need to load users before we can start the IMAP and SMTP servers.
+	// We must only start the servers once.
+	var once sync.Once
+
+	// 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{})
+
+		// Once all users have been loaded, start the bridge's IMAP and SMTP servers.
+		once.Do(func() {
+			if err := bridge.serveIMAP(); err != nil {
+				logrus.WithError(err).Error("Failed to start IMAP server")
+			}
+
+			if err := bridge.serveSMTP(); err != nil {
+				logrus.WithError(err).Error("Failed to start SMTP server")
+			}
+		})
+	})
+	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 {
+			bridge.publish(events.UpdateCheckFailed{Error: err})
+		} else {
+			bridge.handleUpdate(version)
+		}
+	})
+	defer bridge.goUpdate()
+
+	// 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 IMAP server.
+	if err := bridge.closeIMAP(ctx); err != nil {
+		logrus.WithError(err).Error("Failed to close IMAP server")
+	}
+
+	// Close the SMTP server.
+	if err := bridge.closeSMTP(); err != nil {
+		logrus.WithError(err).Error("Failed to close SMTP server")
+	}
+
+	// Close all users.
+	safe.RLock(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
 }
-
-// heartbeat sends a heartbeat signal once a day.
-func (b *Bridge) heartbeat() {
-	for range time.Tick(time.Minute) {
-		lastHeartbeatDay, err := strconv.ParseInt(b.settings.Get(settings.LastHeartbeatKey), 10, 64)
-		if err != nil {
-			continue
-		}
-
-		// If we're still on the same day, don't send a heartbeat.
-		if time.Now().YearDay() == int(lastHeartbeatDay) {
-			continue
-		}
-
-		// We're on the next (or a different) day, so send a heartbeat.
-		if err := b.SendMetric(metrics.New(metrics.Heartbeat, metrics.Daily, metrics.NoLabel)); err != nil {
-			logrus.WithError(err).Error("Failed to send heartbeat")
-			continue
-		}
-
-		// Heartbeat was sent successfully so update the last heartbeat day.
-		b.settings.Set(settings.LastHeartbeatKey, fmt.Sprintf("%v", time.Now().YearDay()))
-	}
-}
-
-// GetUpdateChannel returns currently set update channel.
-func (b *Bridge) GetUpdateChannel() updater.UpdateChannel {
-	return updater.UpdateChannel(b.settings.Get(settings.UpdateChannelKey))
-}
-
-// SetUpdateChannel switches update channel.
-func (b *Bridge) SetUpdateChannel(channel updater.UpdateChannel) {
-	b.settings.Set(settings.UpdateChannelKey, string(channel))
-}
-
-func (b *Bridge) resetToLatestStable() error {
-	version, err := b.updater.Check()
-	if err != nil {
-		// If we can not check for updates - just remove all local updates and reset to base installer version.
-		// Not using `b.locations.ClearUpdates()` because `versioner.RemoveOtherVersions` can also handle
-		// case when it is needed to remove currently running verion.
-		if err := b.versioner.RemoveOtherVersions(semver.MustParse("0.0.0")); err != nil {
-			log.WithError(err).Error("Failed to clear updates while downgrading channel")
-		}
-		return nil
-	}
-
-	// If current version is same as upstream stable version - do nothing.
-	if version.Version.Equal(semver.MustParse(constants.Version)) {
-		return nil
-	}
-
-	if err := b.updater.InstallUpdate(version); err != nil {
-		return err
-	}
-
-	return b.versioner.RemoveOtherVersions(version.Version)
-}
-
-// FactoryReset will remove all local cache and settings.
-// It will also downgrade to latest stable version if user is on early version.
-func (b *Bridge) FactoryReset() {
-	wasEarly := b.GetUpdateChannel() == updater.EarlyChannel
-
-	b.settings.Set(settings.UpdateChannelKey, string(updater.StableChannel))
-
-	if wasEarly {
-		if err := b.resetToLatestStable(); err != nil {
-			log.WithError(err).Error("Failed to reset to latest stable version")
-		}
-	}
-
-	if err := b.Users.ClearData(); err != nil {
-		log.WithError(err).Error("Failed to remove bridge data")
-	}
-
-	if err := b.Users.ClearUsers(); err != nil {
-		log.WithError(err).Error("Failed to remove bridge users")
-	}
-}
-
-// GetKeychainApp returns current keychain helper.
-func (b *Bridge) GetKeychainApp() string {
-	return b.settings.Get(settings.PreferredKeychainKey)
-}
-
-// SetKeychainApp sets current keychain helper.
-func (b *Bridge) SetKeychainApp(helper string) {
-	b.settings.Set(settings.PreferredKeychainKey, helper)
-}
-
-func (b *Bridge) EnableCache() error {
-	if err := b.Users.EnableCache(); err != nil {
-		return err
-	}
-
-	b.settings.SetBool(settings.CacheEnabledKey, true)
-
-	return nil
-}
-
-func (b *Bridge) DisableCache() error {
-	if err := b.Users.DisableCache(); err != nil {
-		return err
-	}
-
-	b.settings.SetBool(settings.CacheEnabledKey, false)
-	// Reset back to the default location when disabling.
-	b.settings.Set(settings.CacheLocationKey, b.cacheProvider.GetDefaultMessageCacheDir())
-
-	return nil
-}
-
-func (b *Bridge) MigrateCache(from, to string) error {
-	if err := b.Users.MigrateCache(from, to); err != nil {
-		return err
-	}
-
-	b.settings.Set(settings.CacheLocationKey, to)
-
-	return nil
-}
-
-// SetProxyAllowed instructs the app whether to use DoH to access an API proxy if necessary.
-// It also needs to work before the app is initialised (because we may need to use the proxy at startup).
-func (b *Bridge) SetProxyAllowed(proxyAllowed bool) {
-	b.settings.SetBool(settings.AllowProxyKey, proxyAllowed)
-	if proxyAllowed {
-		b.clientManager.AllowProxy()
-	} else {
-		b.clientManager.DisallowProxy()
-	}
-}
-
-// GetProxyAllowed returns whether use of DoH is enabled to access an API proxy if necessary.
-func (b *Bridge) GetProxyAllowed() bool {
-	return b.settings.GetBool(settings.AllowProxyKey)
-}
-
-// AddError add an error to a global error list if it does not contain it yet. Adding nil is noop.
-func (b *Bridge) AddError(err error) {
-	if err == nil {
-		return
-	}
-	if b.HasError(err) {
-		return
-	}
-
-	b.errors = append(b.errors, err)
-}
-
-// DelError removes an error from global error list.
-func (b *Bridge) DelError(err error) {
-	for idx, val := range b.errors {
-		if val == err {
-			b.errors = append(b.errors[:idx], b.errors[idx+1:]...)
-			return
-		}
-	}
-}
-
-// HasError returnes true if global error list contains an err.
-func (b *Bridge) HasError(err error) bool {
-	for _, val := range b.errors {
-		if val == err {
-			return true
-		}
-	}
-
-	return false
-}
-
-// GetLastVersion returns the version which was used in previous execution of
-// Bridge.
-func (b *Bridge) GetLastVersion() string {
-	return b.lastVersion
-}
-
-// IsFirstStart returns true when Bridge is running for first time or after
-// factory reset.
-func (b *Bridge) IsFirstStart() bool {
-	return b.isFirstStart
-}

internal/bridge/bridge_test.go

@@ -0,0 +1,822 @@
+// 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"
+	"crypto/tls"
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"path/filepath"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/gluon/async"
+	"github.com/ProtonMail/gluon/imap"
+	"github.com/ProtonMail/go-proton-api"
+	"github.com/ProtonMail/go-proton-api/server"
+	"github.com/ProtonMail/go-proton-api/server/backend"
+	"github.com/ProtonMail/gopenpgp/v2/crypto"
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/v3/internal/certs"
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v3/internal/cookies"
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	"github.com/ProtonMail/proton-bridge/v3/internal/focus"
+	"github.com/ProtonMail/proton-bridge/v3/internal/locations"
+	"github.com/ProtonMail/proton-bridge/v3/internal/updater"
+	"github.com/ProtonMail/proton-bridge/v3/internal/user"
+	"github.com/ProtonMail/proton-bridge/v3/internal/useragent"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/ProtonMail/proton-bridge/v3/tests"
+	"github.com/bradenaw/juniper/xslices"
+	"github.com/emersion/go-imap/client"
+	"github.com/stretchr/testify/require"
+)
+
+var (
+	username = "username"
+	password = []byte("password")
+
+	v2_3_0 = semver.MustParse("2.3.0")
+	v2_4_0 = semver.MustParse("2.4.0")
+)
+
+func init() {
+	user.EventPeriod = 100 * time.Millisecond
+	user.EventJitter = 0
+	backend.GenerateKey = backend.FastGenerateKey
+	certs.GenerateCert = tests.FastGenerateCert
+}
+
+func TestBridge_ConnStatus(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Get a stream of connection status events.
+			eventCh, done := bridge.GetEvents(events.ConnStatusUp{}, events.ConnStatusDown{})
+			defer done()
+
+			// Simulate network disconnect.
+			netCtl.Disable()
+
+			// Trigger some operation that will fail due to the network disconnect.
+			_, err := bridge.LoginFull(context.Background(), username, password, nil, nil)
+			require.Error(t, err)
+
+			// Wait for the event.
+			require.Equal(t, events.ConnStatusDown{}, <-eventCh)
+
+			// Simulate network reconnect.
+			netCtl.Enable()
+
+			// Trigger some operation that will succeed due to the network reconnect.
+			userID, err := bridge.LoginFull(context.Background(), username, password, nil, nil)
+			require.NoError(t, err)
+			require.NotEmpty(t, userID)
+
+			// Wait for the event.
+			require.Equal(t, events.ConnStatusUp{}, <-eventCh)
+		})
+	})
+}
+
+func TestBridge_TLSIssue(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Get a stream of TLS issue events.
+			tlsEventCh, done := bridge.GetEvents(events.TLSIssue{})
+			defer done()
+
+			// Simulate a TLS issue.
+			go func() {
+				mocks.TLSIssueCh <- struct{}{}
+			}()
+
+			// Wait for the event.
+			require.IsType(t, events.TLSIssue{}, <-tlsEventCh)
+		})
+	})
+}
+
+func TestBridge_Focus(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Get a stream of TLS issue events.
+			raiseCh, done := bridge.GetEvents(events.Raise{})
+			defer done()
+
+			settingsFolder, err := locator.ProvideSettingsPath()
+			require.NoError(t, err)
+
+			// Simulate a focus event.
+			focus.TryRaise(settingsFolder)
+
+			// Wait for the event.
+			require.IsType(t, events.Raise{}, <-raiseCh)
+		})
+	})
+}
+
+func TestBridge_UserAgent(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		var (
+			calls []server.Call
+			lock  sync.Mutex
+		)
+
+		s.AddCallWatcher(func(call server.Call) {
+			lock.Lock()
+			defer lock.Unlock()
+
+			calls = append(calls, call)
+		})
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Set the platform to something other than the default.
+			bridge.SetCurrentPlatform("platform")
+
+			// Assert that the user agent then contains the platform.
+			require.Contains(t, bridge.GetCurrentUserAgent(), "platform")
+
+			// Login the user.
+			_, err := bridge.LoginFull(context.Background(), username, password, nil, nil)
+			require.NoError(t, err)
+
+			lock.Lock()
+			defer lock.Unlock()
+
+			// Assert that the user agent was sent to the API.
+			require.Contains(t, calls[len(calls)-1].RequestHeader.Get("User-Agent"), bridge.GetCurrentUserAgent())
+		})
+	})
+}
+
+func TestBridge_Cookies(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		var (
+			sessionIDs     []string
+			sessionIDsLock sync.RWMutex
+		)
+
+		// Save any session IDs we use.
+		s.AddCallWatcher(func(call server.Call) {
+			cookie, err := (&http.Request{Header: call.RequestHeader}).Cookie("Session-Id")
+			if err != nil {
+				return
+			}
+
+			sessionIDsLock.Lock()
+			defer sessionIDsLock.Unlock()
+
+			sessionIDs = append(sessionIDs, cookie.Value)
+		})
+
+		// Start bridge and add a user so that API assigns us a session ID via cookie.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			_, err := bridge.LoginFull(context.Background(), username, password, nil, nil)
+			require.NoError(t, err)
+		})
+
+		// Start bridge again and check that it uses the same session ID.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// ...
+		})
+
+		// We should have used just one session ID.
+		sessionIDsLock.Lock()
+		defer sessionIDsLock.Unlock()
+
+		require.Len(t, xslices.Unique(sessionIDs), 1)
+	})
+}
+
+func TestBridge_CheckUpdate(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Disable autoupdate for this test.
+			require.NoError(t, bridge.SetAutoUpdate(false))
+
+			// Get a stream of update not available events.
+			noUpdateCh, done := bridge.GetEvents(events.UpdateNotAvailable{})
+			defer done()
+
+			// We are currently on the latest version.
+			bridge.CheckForUpdates()
+
+			// we should receive an event indicating that no update is available.
+			require.Equal(t, events.UpdateNotAvailable{}, <-noUpdateCh)
+
+			// Simulate a new version being available.
+			mocks.Updater.SetLatestVersion(v2_4_0, v2_3_0)
+
+			// Get a stream of update available events.
+			updateCh, done := bridge.GetEvents(events.UpdateAvailable{})
+			defer done()
+
+			// Check for updates.
+			bridge.CheckForUpdates()
+
+			// We should receive an event indicating that an update is available.
+			require.Equal(t, events.UpdateAvailable{
+				Version: updater.VersionInfo{
+					Version:           v2_4_0,
+					MinAuto:           v2_3_0,
+					RolloutProportion: 1.0,
+				},
+				Silent:     false,
+				Compatible: true,
+			}, <-updateCh)
+		})
+	})
+}
+
+func TestBridge_AutoUpdate(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Enable autoupdate for this test.
+			require.NoError(t, bridge.SetAutoUpdate(true))
+
+			// Get a stream of update events.
+			updateCh, done := bridge.GetEvents(events.UpdateInstalled{})
+			defer done()
+
+			// Simulate a new version being available.
+			mocks.Updater.SetLatestVersion(v2_4_0, v2_3_0)
+
+			// Check for updates.
+			bridge.CheckForUpdates()
+
+			// We should receive an event indicating that the update was silently installed.
+			require.Equal(t, events.UpdateInstalled{
+				Version: updater.VersionInfo{
+					Version:           v2_4_0,
+					MinAuto:           v2_3_0,
+					RolloutProportion: 1.0,
+				},
+				Silent: true,
+			}, <-updateCh)
+		})
+	})
+}
+
+func TestBridge_ManualUpdate(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Disable autoupdate for this test.
+			require.NoError(t, bridge.SetAutoUpdate(false))
+
+			// Get a stream of update available events.
+			updateCh, done := bridge.GetEvents(events.UpdateAvailable{})
+			defer done()
+
+			// Simulate a new version being available, but it's too new for us.
+			mocks.Updater.SetLatestVersion(v2_4_0, v2_4_0)
+
+			// Check for updates.
+			bridge.CheckForUpdates()
+
+			// We should receive an event indicating an update is available, but we can't install it.
+			require.Equal(t, events.UpdateAvailable{
+				Version: updater.VersionInfo{
+					Version:           v2_4_0,
+					MinAuto:           v2_4_0,
+					RolloutProportion: 1.0,
+				},
+				Silent:     false,
+				Compatible: false,
+			}, <-updateCh)
+		})
+	})
+}
+
+func TestBridge_ForceUpdate(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Get a stream of update events.
+			updateCh, done := bridge.GetEvents(events.UpdateForced{})
+			defer done()
+
+			// Set the minimum accepted app version to something newer than the current version.
+			s.SetMinAppVersion(v2_4_0)
+
+			// Try to login the user. It will fail because the bridge is too old.
+			_, err := bridge.LoginFull(context.Background(), username, password, nil, nil)
+			require.Error(t, err)
+
+			// We should get an update required event.
+			require.Equal(t, events.UpdateForced{}, <-updateCh)
+		})
+	})
+}
+
+func TestBridge_BadVaultKey(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		var userID string
+
+		// Login a user.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			newUserID, err := bridge.LoginFull(context.Background(), username, password, nil, nil)
+			require.NoError(t, err)
+
+			userID = newUserID
+		})
+
+		// Start bridge with the correct vault key -- it should load the users correctly.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			require.ElementsMatch(t, []string{userID}, bridge.GetUserIDs())
+		})
+
+		// Start bridge with a bad vault key, the vault will be wiped and bridge will show no users.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, []byte("bad"), func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			require.Empty(t, bridge.GetUserIDs())
+		})
+
+		// Start bridge with a nil vault key, the vault will be wiped and bridge will show no users.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, nil, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			require.Empty(t, bridge.GetUserIDs())
+		})
+	})
+}
+
+func TestBridge_MissingGluonStore(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		var gluonDir string
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			_, err := bridge.LoginFull(context.Background(), username, password, nil, nil)
+			require.NoError(t, err)
+
+			// Move the gluon dir.
+			require.NoError(t, bridge.SetGluonDir(ctx, t.TempDir()))
+
+			// Get the gluon dir.
+			gluonDir = bridge.GetGluonCacheDir()
+		})
+
+		// The user removes the gluon dir while bridge is not running.
+		require.NoError(t, os.RemoveAll(gluonDir))
+
+		// Bridge starts but can't find the gluon store dir; there should be no error.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// ...
+		})
+	})
+}
+
+func TestBridge_MissingGluonDatabase(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		var gluonDir string
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			_, err := bridge.LoginFull(context.Background(), username, password, nil, nil)
+			require.NoError(t, err)
+
+			// Get the gluon dir.
+			gluonDir, err = bridge.GetGluonDataDir()
+			require.NoError(t, err)
+		})
+
+		// The user removes the gluon dir while bridge is not running.
+		require.NoError(t, os.RemoveAll(gluonDir))
+
+		// Bridge starts but can't find the gluon database dir; there should be no error.
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// ...
+		})
+	})
+}
+
+func TestBridge_AddressWithoutKeys(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		m := proton.New(
+			proton.WithHostURL(s.GetHostURL()),
+			proton.WithTransport(proton.InsecureTransport()),
+		)
+		defer m.Close()
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Create a user which will have an address without keys.
+			userID, _, err := s.CreateUser("nokeys", []byte("password"))
+			require.NoError(t, err)
+
+			// Create an additional address for the user; it will not have keys.
+			aliasAddrID, err := s.CreateAddress(userID, "alias@pm.me", []byte("password"))
+			require.NoError(t, err)
+
+			// Create an API client so we can remove the address keys.
+			c, _, err := m.NewClientWithLogin(ctx, "nokeys", []byte("password"))
+			require.NoError(t, err)
+			defer c.Close()
+
+			// Get the alias address.
+			aliasAddr, err := c.GetAddress(ctx, aliasAddrID)
+			require.NoError(t, err)
+
+			// Remove the address keys.
+			require.NoError(t, s.RemoveAddressKey(userID, aliasAddrID, aliasAddr.Keys[0].ID))
+
+			// Watch for sync finished event.
+			syncCh, done := chToType[events.Event, events.SyncFinished](bridge.GetEvents(events.SyncFinished{}))
+			defer done()
+
+			// We should be able to log the user in.
+			require.NoError(t, getErr(bridge.LoginFull(context.Background(), "nokeys", []byte("password"), nil, nil)))
+			require.NoError(t, err)
+
+			// The sync should eventually finish for the user without keys.
+			require.Equal(t, userID, (<-syncCh).UserID)
+		})
+	})
+}
+
+func TestBridge_FactoryReset(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, _ *bridge.Mocks) {
+			// The settings should be their default values.
+			require.True(t, bridge.GetAutoUpdate())
+			require.Equal(t, updater.StableChannel, bridge.GetUpdateChannel())
+
+			// Login the user.
+			userID, err := bridge.LoginFull(ctx, username, password, nil, nil)
+			require.NoError(t, err)
+
+			// Change some settings.
+			require.NoError(t, bridge.SetAutoUpdate(false))
+			require.NoError(t, bridge.SetUpdateChannel(updater.EarlyChannel))
+
+			// The user is now connected.
+			require.Equal(t, []string{userID}, bridge.GetUserIDs())
+			require.Equal(t, []string{userID}, getConnectedUserIDs(t, bridge))
+
+			// The settings should be changed.
+			require.False(t, bridge.GetAutoUpdate())
+			require.Equal(t, updater.EarlyChannel, bridge.GetUpdateChannel())
+
+			// Perform a factory reset.
+			bridge.FactoryReset(ctx)
+
+			// The user is gone.
+			require.Equal(t, []string{}, bridge.GetUserIDs())
+			require.Equal(t, []string{}, getConnectedUserIDs(t, bridge))
+		})
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, _ *bridge.Mocks) {
+			// The settings should be reset.
+			require.True(t, bridge.GetAutoUpdate())
+			require.Equal(t, updater.StableChannel, bridge.GetUpdateChannel())
+		})
+	})
+}
+
+func TestBridge_InitGluonDirectory(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(b *bridge.Bridge, mocks *bridge.Mocks) {
+			configDir, err := b.GetGluonDataDir()
+			require.NoError(t, err)
+
+			_, err = os.ReadDir(bridge.ApplyGluonCachePathSuffix(b.GetGluonCacheDir()))
+			require.False(t, os.IsNotExist(err))
+
+			_, err = os.ReadDir(bridge.ApplyGluonConfigPathSuffix(configDir))
+			require.False(t, os.IsNotExist(err))
+		})
+	})
+}
+
+func TestBridge_LoginFailed(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			failCh, done := chToType[events.Event, events.IMAPLoginFailed](bridge.GetEvents(events.IMAPLoginFailed{}))
+			defer done()
+
+			imapClient, err := client.Dial(net.JoinHostPort(constants.Host, fmt.Sprint(bridge.GetIMAPPort())))
+			require.NoError(t, err)
+
+			require.Error(t, imapClient.Login("badUser", "badPass"))
+			require.Equal(t, "badUser", (<-failCh).Username)
+		})
+	})
+}
+
+func TestBridge_ChangeCacheDirectory(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		userID, addrID, err := s.CreateUser("imap", password)
+		require.NoError(t, err)
+
+		labelID, err := s.CreateLabel(userID, "folder", "", proton.LabelTypeFolder)
+		require.NoError(t, err)
+
+		withClient(ctx, t, s, "imap", password, func(ctx context.Context, c *proton.Client) {
+			createNumMessages(ctx, t, c, addrID, labelID, 10)
+		})
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(b *bridge.Bridge, mocks *bridge.Mocks) {
+			newCacheDir := t.TempDir()
+			currentCacheDir := b.GetGluonCacheDir()
+			configDir, err := b.GetGluonDataDir()
+			require.NoError(t, err)
+
+			// Login the user.
+			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)
+
+			// The user is now connected.
+			require.Equal(t, []string{userID}, b.GetUserIDs())
+			require.Equal(t, []string{userID}, getConnectedUserIDs(t, b))
+
+			// Change directory
+			err = b.SetGluonDir(ctx, newCacheDir)
+			require.NoError(t, err)
+
+			// Old store should no more exists.
+			_, err = os.ReadDir(bridge.ApplyGluonCachePathSuffix(currentCacheDir))
+			require.True(t, os.IsNotExist(err))
+			// Database should not have changed.
+			_, err = os.ReadDir(bridge.ApplyGluonConfigPathSuffix(configDir))
+			require.False(t, os.IsNotExist(err))
+
+			// New path should have Gluon sub-folder.
+			require.Equal(t, filepath.Join(newCacheDir, "gluon"), b.GetGluonCacheDir())
+			// And store should be inside it.
+			_, err = os.ReadDir(bridge.ApplyGluonCachePathSuffix(b.GetGluonCacheDir()))
+			require.False(t, os.IsNotExist(err))
+
+			// We should be able to fetch.
+			info, err := b.GetUserInfo(userID)
+			require.NoError(t, err)
+			require.True(t, info.State == bridge.Connected)
+
+			client, err := client.Dial(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() }()
+
+			status, err := client.Select(`Folders/folder`, false)
+			require.NoError(t, err)
+			require.Equal(t, uint32(10), status.Messages)
+		})
+	})
+}
+
+func TestBridge_ChangeAddressOrder(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, vaultKey []byte) {
+		// Create a user.
+		userID, addrID, err := s.CreateUser("imap", password)
+		require.NoError(t, err)
+
+		// Create a second address for the user.
+		aliasID, err := s.CreateAddress(userID, "alias@"+s.GetDomain(), password)
+		require.NoError(t, err)
+
+		// Create 10 messages for the user.
+		withClient(ctx, t, s, "imap", password, func(ctx context.Context, c *proton.Client) {
+			createNumMessages(ctx, t, c, addrID, proton.InboxLabel, 10)
+		})
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(b *bridge.Bridge, mocks *bridge.Mocks) {
+			// Log the user in with its first address.
+			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)
+
+			// We should see 10 messages in the inbox.
+			info, err := b.GetUserInfo(userID)
+			require.NoError(t, err)
+			require.True(t, info.State == bridge.Connected)
+
+			client, err := client.Dial(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() }()
+
+			status, err := client.Select(`Inbox`, false)
+			require.NoError(t, err)
+			require.Equal(t, uint32(10), status.Messages)
+		})
+
+		// Make the second address the primary one.
+		withClient(ctx, t, s, "imap", password, func(ctx context.Context, c *proton.Client) {
+			require.NoError(t, c.OrderAddresses(ctx, proton.OrderAddressesReq{AddressIDs: []string{aliasID, addrID}}))
+		})
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, vaultKey, func(b *bridge.Bridge, mocks *bridge.Mocks) {
+			// We should still see 10 messages in the inbox.
+			info, err := b.GetUserInfo(userID)
+			require.NoError(t, err)
+			require.True(t, info.State == bridge.Connected)
+
+			client, err := client.Dial(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() }()
+
+			require.Eventually(t, func() bool {
+				status, err := client.Select(`Inbox`, false)
+				require.NoError(t, err)
+				return status.Messages == 10
+			}, 5*time.Second, 100*time.Millisecond)
+		})
+	})
+}
+
+// withEnv creates the full test environment and runs the tests.
+func withEnv(t *testing.T, tests func(context.Context, *server.Server, *proton.NetCtl, bridge.Locator, []byte), opts ...server.Option) {
+	server := server.New(opts...)
+	defer server.Close()
+
+	// Add test user.
+	_, _, err := server.CreateUser(username, password)
+	require.NoError(t, err)
+
+	// Generate a random vault key.
+	vaultKey, err := crypto.RandomToken(32)
+	require.NoError(t, err)
+
+	// Create a context used for the test.
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	// Create a net controller so we can simulate network connectivity issues.
+	netCtl := proton.NewNetCtl()
+
+	// Create a locations object to provide temporary locations for bridge data during the test.
+	locations := locations.New(bridge.NewTestLocationsProvider(t.TempDir()), "config-name")
+
+	// Run the tests.
+	tests(ctx, server, netCtl, locations, vaultKey)
+}
+
+// withMocks creates the mock objects used in the tests.
+func withMocks(t *testing.T, tests func(*bridge.Mocks)) {
+	mocks := bridge.NewMocks(t, v2_3_0, v2_3_0)
+	defer mocks.Close()
+
+	tests(mocks)
+}
+
+// Needs to be global to survive bridge shutdown/startup in unit tests as they happen to fast.
+var testUIDValidityGenerator = imap.DefaultEpochUIDValidityGenerator()
+
+// withBridge creates a new bridge which points to the given API URL and uses the given keychain, and closes it when done.
+func withBridgeNoMocks(
+	ctx context.Context,
+	t *testing.T,
+	mocks *bridge.Mocks,
+	apiURL string,
+	netCtl *proton.NetCtl,
+	locator bridge.Locator,
+	vaultKey []byte,
+	tests func(*bridge.Bridge),
+) {
+	// Bridge will disable the proxy by default at startup.
+	mocks.ProxyCtl.EXPECT().DisallowProxy()
+
+	// Get the path to the vault.
+	vaultDir, err := locator.ProvideSettingsPath()
+	require.NoError(t, err)
+
+	// Create the vault.
+	vault, _, err := vault.New(vaultDir, t.TempDir(), vaultKey, async.NoopPanicHandler{})
+	require.NoError(t, err)
+
+	// Create a new cookie jar.
+	cookieJar, err := cookies.NewCookieJar(bridge.NewTestCookieJar(), vault)
+	require.NoError(t, err)
+	defer func() { require.NoError(t, cookieJar.PersistCookies()) }()
+
+	// Create a new bridge.
+	bridge, eventCh, err := bridge.New(
+		// The app stuff.
+		locator,
+		vault,
+		mocks.Autostarter,
+		mocks.Updater,
+		v2_3_0,
+
+		// The API stuff.
+		apiURL,
+		cookieJar,
+		useragent.New(),
+		mocks.TLSReporter,
+		netCtl.NewRoundTripper(&tls.Config{InsecureSkipVerify: true}),
+		mocks.ProxyCtl,
+		mocks.CrashHandler,
+		mocks.Reporter,
+		testUIDValidityGenerator,
+
+		// The logging stuff.
+		os.Getenv("BRIDGE_LOG_IMAP_CLIENT") == "1",
+		os.Getenv("BRIDGE_LOG_IMAP_SERVER") == "1",
+		os.Getenv("BRIDGE_LOG_SMTP") == "1",
+	)
+	require.NoError(t, err)
+	require.Empty(t, bridge.GetErrors())
+
+	// Wait for bridge to finish loading users.
+	waitForEvent(t, eventCh, events.AllUsersLoaded{})
+	// Wait for bridge to start the IMAP server.
+	waitForEvent(t, eventCh, events.IMAPServerReady{})
+	// Wait for bridge to start the SMTP server.
+	waitForEvent(t, eventCh, events.SMTPServerReady{})
+
+	// Set random IMAP and SMTP ports for the tests.
+	require.NoError(t, bridge.SetIMAPPort(0))
+	require.NoError(t, bridge.SetSMTPPort(0))
+
+	// Close the bridge when done.
+	defer bridge.Close(ctx)
+
+	// Use the bridge.
+	tests(bridge)
+}
+
+// withBridge creates a new bridge which points to the given API URL and uses the given keychain, and closes it when done.
+func withBridge(
+	ctx context.Context,
+	t *testing.T,
+	apiURL string,
+	netCtl *proton.NetCtl,
+	locator bridge.Locator,
+	vaultKey []byte,
+	tests func(*bridge.Bridge, *bridge.Mocks),
+) {
+	withMocks(t, func(mocks *bridge.Mocks) {
+		withBridgeNoMocks(ctx, t, mocks, apiURL, netCtl, locator, vaultKey, func(bridge *bridge.Bridge) {
+			tests(bridge, mocks)
+		})
+	})
+}
+
+func waitForEvent[T any](t *testing.T, eventCh <-chan events.Event, _ T) {
+	t.Helper()
+
+	for event := range eventCh {
+		switch event.(type) { // nolint:gocritic
+		case T:
+			return
+		}
+	}
+}
+
+// must is a helper function that panics on error.
+func must[T any](val T, err error) T {
+	if err != nil {
+		panic(err)
+	}
+
+	return val
+}
+
+func getConnectedUserIDs(t *testing.T, b *bridge.Bridge) []string {
+	t.Helper()
+
+	return xslices.Filter(b.GetUserIDs(), func(userID string) bool {
+		info, err := b.GetUserInfo(userID)
+		require.NoError(t, err)
+
+		return info.State == bridge.Connected
+	})
+}
+
+func chToType[In, Out any](inCh <-chan In, done func()) (<-chan Out, func()) {
+	outCh := make(chan Out)
+
+	go func() {
+		defer close(outCh)
+
+		for in := range inCh {
+			out, ok := any(in).(Out)
+			if !ok {
+				panic(fmt.Sprintf("unexpected type %T", in))
+			}
+
+			outCh <- out
+		}
+	}()
+
+	return outCh, done
+}

internal/bridge/bug_report.go

@@ -1,19 +1,19 @@
-// Copyright (c) 2021 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
 
@@ -21,84 +21,121 @@ import (
 	"archive/zip"
 	"bytes"
 	"context"
-	"errors"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"sort"
 
-	"github.com/ProtonMail/proton-bridge/internal/logging"
-	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
+	"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/vault"
 )
 
-const MaxAttachmentSize = 7 * 1024 * 1024 // 7 MB total limit
-const MaxCompressedFilesCount = 6
+const (
+	MaxTotalAttachmentSize  = 7 * (1 << 20)
+	MaxCompressedFilesCount = 6
+)
 
-var ErrSizeTooLarge = errors.New("file is too big")
+func (bridge *Bridge) ReportBug(ctx context.Context, osType, osVersion, description, username, email, client string, attachLogs bool) error {
+	var account string
 
-// ReportBug reports a new bug from the user.
-func (b *Bridge) ReportBug(osType, osVersion, description, accountName, address, emailClient string, attachLogs bool) error {
-	report := pmapi.ReportBugReq{
-		OS:          osType,
-		OSVersion:   osVersion,
-		Browser:     emailClient,
-		Title:       "[Bridge] Bug",
-		Description: description,
-		Username:    accountName,
-		Email:       address,
+	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 atts []proton.ReportBugAttachment
+
 	if attachLogs {
-		logs, err := b.getMatchingLogs(
-			func(filename string) bool {
-				return logging.MatchLogName(filename) && !logging.MatchStackTraceName(filename)
-			},
-		)
+		logs, err := getMatchingLogs(bridge.locator, func(filename string) bool {
+			return logging.MatchLogName(filename) && !logging.MatchStackTraceName(filename)
+		})
 		if err != nil {
-			log.WithError(err).Error("Can't get log files list")
+			return err
 		}
-		crashes, err := b.getMatchingLogs(
-			func(filename string) bool {
-				return logging.MatchLogName(filename) && logging.MatchStackTraceName(filename)
-			},
-		)
+
+		crashes, err := getMatchingLogs(bridge.locator, func(filename string) bool {
+			return logging.MatchLogName(filename) && logging.MatchStackTraceName(filename)
+		})
 		if err != nil {
-			log.WithError(err).Error("Can't get crash files list")
+			return err
+		}
+
+		guiLogs, err := getMatchingLogs(bridge.locator, func(filename string) bool {
+			return logging.MatchGUILogName(filename) && !logging.MatchStackTraceName(filename)
+		})
+		if err != nil {
+			return err
 		}
 
 		var matchFiles []string
 
+		// Include bridge logs, up to a maximum amount.
 		matchFiles = append(matchFiles, logs[max(0, len(logs)-(MaxCompressedFilesCount/2)):]...)
+
+		// Include crash logs, up to a maximum amount.
 		matchFiles = append(matchFiles, crashes[max(0, len(crashes)-(MaxCompressedFilesCount/2)):]...)
 
+		// bridge-gui keeps just one small (~ 1kb) log file; we always include it.
+		if len(guiLogs) > 0 {
+			matchFiles = append(matchFiles, guiLogs[len(guiLogs)-1])
+		}
+
 		archive, err := zipFiles(matchFiles)
 		if err != nil {
-			log.WithError(err).Error("Can't zip logs and crashes")
+			return err
 		}
 
-		if archive != nil {
-			report.AddAttachment("logs.zip", "application/zip", archive)
+		body, err := io.ReadAll(archive)
+		if err != nil {
+			return err
 		}
+
+		atts = append(atts, proton.ReportBugAttachment{
+			Name:     "logs.zip",
+			Filename: "logs.zip",
+			MIMEType: "application/zip",
+			Body:     body,
+		})
 	}
 
-	return b.clientManager.ReportBug(context.Background(), report)
+	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,
+	}, atts...)
 }
 
 func max(a, b int) int {
 	if a > b {
 		return a
 	}
+
 	return b
 }
 
-func (b *Bridge) getMatchingLogs(filenameMatchFunc func(string) bool) (filenames []string, err error) {
-	logsPath, err := b.locations.ProvideLogsPath()
+func getMatchingLogs(locator Locator, filenameMatchFunc func(string) bool) (filenames []string, err error) {
+	logsPath, err := locator.ProvideLogsPath()
 	if err != nil {
 		return nil, err
 	}
 
-	files, err := ioutil.ReadDir(logsPath)
+	files, err := os.ReadDir(logsPath)
 	if err != nil {
 		return nil, err
 	}
@@ -110,24 +147,25 @@ func (b *Bridge) getMatchingLogs(filenameMatchFunc func(string) bool) (filenames
 			matchFiles = append(matchFiles, filepath.Join(logsPath, file.Name()))
 		}
 	}
+
 	sort.Strings(matchFiles) // Sorted by timestamp: oldest first.
 
 	return matchFiles, nil
 }
 
-type LimitedBuffer struct {
+type limitedBuffer struct {
 	capacity int
 	buf      *bytes.Buffer
 }
 
-func NewLimitedBuffer(capacity int) *LimitedBuffer {
-	return &LimitedBuffer{
+func newLimitedBuffer(capacity int) *limitedBuffer {
+	return &limitedBuffer{
 		capacity: capacity,
 		buf:      bytes.NewBuffer(make([]byte, 0, capacity)),
 	}
 }
 
-func (b *LimitedBuffer) Write(p []byte) (n int, err error) {
+func (b *limitedBuffer) Write(p []byte) (n int, err error) {
 	if len(p)+b.buf.Len() > b.capacity {
 		return 0, ErrSizeTooLarge
 	}
@@ -135,7 +173,7 @@ func (b *LimitedBuffer) Write(p []byte) (n int, err error) {
 	return b.buf.Write(p)
 }
 
-func (b *LimitedBuffer) Read(p []byte) (n int, err error) {
+func (b *limitedBuffer) Read(p []byte) (n int, err error) {
 	return b.buf.Read(p)
 }
 
@@ -144,14 +182,13 @@ func zipFiles(filenames []string) (io.Reader, error) {
 		return nil, nil
 	}
 
-	buf := NewLimitedBuffer(MaxAttachmentSize)
+	buf := newLimitedBuffer(MaxTotalAttachmentSize)
 
 	w := zip.NewWriter(buf)
-	defer w.Close() //nolint[errcheck]
+	defer w.Close() //nolint:errcheck
 
 	for _, file := range filenames {
-		err := addFileToZip(file, w)
-		if err != nil {
+		if err := addFileToZip(file, w); err != nil {
 			return nil, err
 		}
 	}
@@ -168,7 +205,7 @@ func addFileToZip(filename string, writer *zip.Writer) error {
 	if err != nil {
 		return err
 	}
-	defer fileReader.Close() //nolint[errcheck]
+	defer fileReader.Close() //nolint:errcheck,gosec
 
 	fileInfo, err := fileReader.Stat()
 	if err != nil {
@@ -188,12 +225,9 @@ func addFileToZip(filename string, writer *zip.Writer) error {
 		return err
 	}
 
-	_, err = io.Copy(fileWriter, fileReader)
-	if err != nil {
+	if _, err := io.Copy(fileWriter, fileReader); err != nil {
 		return err
 	}
 
-	err = fileReader.Close()
-
-	return err
+	return fileReader.Close()
 }

internal/bridge/configure.go

@@ -0,0 +1,75 @@
+// 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 (
+	"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(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(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/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 +1,138 @@
+// 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
+	}
+
+	if err := os.Rename(from, to); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+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/identifier.go

@@ -0,0 +1,26 @@
+// 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) GetCurrentUserAgent() string {
+	return bridge.identifier.GetUserAgent()
+}
+
+func (bridge *Bridge) SetCurrentPlatform(platform string) {
+	bridge.identifier.SetPlatform(platform)
+}

internal/bridge/imap.go

@@ -0,0 +1,389 @@
+// 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"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+
+	"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/vault"
+	"github.com/sirupsen/logrus"
+)
+
+const (
+	defaultClientName    = "UnknownClient"
+	defaultClientVersion = "0.0.1"
+)
+
+func (bridge *Bridge) serveIMAP() error {
+	port, err := func() (int, error) {
+		if bridge.imapServer == nil {
+			return 0, fmt.Errorf("no IMAP server instance running")
+		}
+
+		logrus.Info("Starting IMAP server")
+
+		imapListener, err := newListener(bridge.vault.GetIMAPPort(), bridge.vault.GetIMAPSSL(), bridge.tlsConfig)
+		if err != nil {
+			return 0, fmt.Errorf("failed to create IMAP listener: %w", err)
+		}
+
+		bridge.imapListener = imapListener
+
+		if err := bridge.imapServer.Serve(context.Background(), bridge.imapListener); err != nil {
+			return 0, fmt.Errorf("failed to serve IMAP: %w", err)
+		}
+
+		if err := bridge.vault.SetIMAPPort(getPort(imapListener.Addr())); err != nil {
+			return 0, fmt.Errorf("failed to store IMAP port in vault: %w", err)
+		}
+
+		return getPort(imapListener.Addr()), nil
+	}()
+
+	if err != nil {
+		bridge.publish(events.IMAPServerError{
+			Error: err,
+		})
+
+		return err
+	}
+
+	bridge.publish(events.IMAPServerReady{
+		Port: port,
+	})
+
+	return nil
+}
+
+func (bridge *Bridge) restartIMAP() error {
+	logrus.Info("Restarting IMAP server")
+
+	if bridge.imapListener != nil {
+		if err := bridge.imapListener.Close(); err != nil {
+			return fmt.Errorf("failed to close IMAP listener: %w", err)
+		}
+
+		bridge.publish(events.IMAPServerStopped{})
+	}
+
+	return bridge.serveIMAP()
+}
+
+func (bridge *Bridge) closeIMAP(ctx context.Context) error {
+	logrus.Info("Closing IMAP server")
+
+	if bridge.imapServer != nil {
+		if err := bridge.imapServer.Close(ctx); err != nil {
+			return fmt.Errorf("failed to close IMAP server: %w", err)
+		}
+
+		bridge.imapServer = nil
+	}
+
+	if bridge.imapListener != nil {
+		if err := bridge.imapListener.Close(); err != nil {
+			return fmt.Errorf("failed to close IMAP listener: %w", err)
+		}
+	}
+
+	bridge.publish(events.IMAPServerStopped{})
+
+	return nil
+}
+
+// addIMAPUser connects the given user to gluon.
+func (bridge *Bridge) addIMAPUser(ctx context.Context, user *user.User) error {
+	if bridge.imapServer == nil {
+		return fmt.Errorf("no imap server instance running")
+	}
+
+	imapConn, err := user.NewIMAPConnectors()
+	if err != nil {
+		return fmt.Errorf("failed to create IMAP connectors: %w", err)
+	}
+
+	for addrID, imapConn := range imapConn {
+		log := logrus.WithFields(logrus.Fields{
+			"userID": user.ID(),
+			"addrID": addrID,
+		})
+
+		if gluonID, ok := user.GetGluonID(addrID); ok {
+			log.WithField("gluonID", gluonID).Info("Loading existing IMAP user")
+
+			// Load the user, checking whether the DB was newly created.
+			isNew, err := bridge.imapServer.LoadUser(ctx, imapConn, gluonID, user.GluonKey())
+			if err != nil {
+				return fmt.Errorf("failed to load IMAP user: %w", err)
+			}
+
+			if isNew {
+				// If the DB was newly created, clear the sync status; gluon's DB was not found.
+				logrus.Warn("IMAP user DB was newly created, clearing sync status")
+
+				// Remove the user from IMAP so we can clear the sync status.
+				if err := bridge.imapServer.RemoveUser(ctx, gluonID, false); err != nil {
+					return fmt.Errorf("failed to remove IMAP user: %w", err)
+				}
+
+				// Clear the sync status -- we need to resync all messages.
+				if err := user.ClearSyncStatus(); err != nil {
+					return fmt.Errorf("failed to clear sync status: %w", err)
+				}
+
+				// Add the user back to the IMAP server.
+				if isNew, err := bridge.imapServer.LoadUser(ctx, imapConn, gluonID, user.GluonKey()); err != nil {
+					return fmt.Errorf("failed to add IMAP user: %w", err)
+				} else if isNew {
+					panic("IMAP user should already have a database")
+				}
+			} else if status := user.GetSyncStatus(); !status.HasLabels {
+				// Otherwise, the DB already exists -- if the labels are not yet synced, we need to re-create the DB.
+				if err := bridge.imapServer.RemoveUser(ctx, gluonID, true); err != nil {
+					return fmt.Errorf("failed to remove old IMAP user: %w", err)
+				}
+
+				if err := user.RemoveGluonID(addrID, gluonID); err != nil {
+					return fmt.Errorf("failed to remove old IMAP user ID: %w", err)
+				}
+
+				gluonID, err := bridge.imapServer.AddUser(ctx, imapConn, user.GluonKey())
+				if err != nil {
+					return fmt.Errorf("failed to add IMAP user: %w", err)
+				}
+
+				if err := user.SetGluonID(addrID, gluonID); err != nil {
+					return fmt.Errorf("failed to set IMAP user ID: %w", err)
+				}
+
+				log.WithField("gluonID", gluonID).Info("Re-created IMAP user")
+			}
+		} else {
+			log.Info("Creating new IMAP user")
+
+			gluonID, err := bridge.imapServer.AddUser(ctx, imapConn, user.GluonKey())
+			if err != nil {
+				return fmt.Errorf("failed to add IMAP user: %w", err)
+			}
+
+			if err := user.SetGluonID(addrID, gluonID); err != nil {
+				return fmt.Errorf("failed to set IMAP user ID: %w", err)
+			}
+
+			log.WithField("gluonID", gluonID).Info("Created new IMAP user")
+		}
+	}
+
+	// Trigger a sync for the user, if needed.
+	user.TriggerSync()
+
+	return nil
+}
+
+// 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 {
+	if bridge.imapServer == nil {
+		return fmt.Errorf("no imap server instance running")
+	}
+
+	logrus.WithFields(logrus.Fields{
+		"userID":   user.ID(),
+		"withData": withData,
+	}).Debug("Removing IMAP user")
+
+	for addrID, gluonID := range user.GetGluonIDs() {
+		if err := bridge.imapServer.RemoveUser(ctx, gluonID, withData); err != nil {
+			return fmt.Errorf("failed to remove IMAP user: %w", err)
+		}
+
+		if withData {
+			if err := user.RemoveGluonID(addrID, gluonID); err != nil {
+				return fmt.Errorf("failed to remove IMAP user ID: %w", err)
+			}
+		}
+	}
+
+	return nil
+}
+
+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.SessionAdded:
+		if !bridge.identifier.HasClient() {
+			bridge.identifier.SetClient(defaultClientName, defaultClientVersion)
+		}
+
+	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.identifier.SetClient(event.IMAPID.Name, event.IMAPID.Version)
+		}
+
+	case imapEvents.LoginFailed:
+		logrus.WithFields(logrus.Fields{
+			"sessionID": event.SessionID,
+			"username":  event.Username,
+		}).Info("Received IMAP login failure notification")
+		bridge.publish(events.IMAPLoginFailed{Username: event.Username})
+	}
+}
+
+func getGluonDir(encVault *vault.Vault) (string, error) {
+	if err := os.MkdirAll(encVault.GetGluonCacheDir(), 0o700); err != nil {
+		return "", fmt.Errorf("failed to create gluon dir: %w", err)
+	}
+
+	return encVault.GetGluonCacheDir(), nil
+}
+
+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 +1,151 @@
+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
+}
+
+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),
+	}
+
+	// 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 he end of any go-routine:
+	mocks.CrashHandler.EXPECT().HandlePanic().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(ctx context.Context, downloader updater.Downloader, channel updater.Channel) (updater.VersionInfo, error) {
+	testUpdater.lock.RLock()
+	defer testUpdater.lock.RUnlock()
+
+	return testUpdater.latest, nil
+}
+
+func (testUpdater *TestUpdater) InstallUpdate(ctx context.Context, downloader updater.Downloader, update 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/proton-bridge/v3/internal/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() {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "HandlePanic")
+}
+
+// HandlePanic indicates an expected call of HandlePanic.
+func (mr *MockPanicHandlerMockRecorder) HandlePanic() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "HandlePanic", reflect.TypeOf((*MockPanicHandler)(nil).HandlePanic))
+}

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/refresh_test.go

@@ -0,0 +1,114 @@
+// 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/emersion/go-imap/client"
+	"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 := client.Dial(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 := client.Dial(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

@@ -1,26 +0,0 @@
-// Copyright (c) 2021 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 Jan 22 11:01:06 AM CET 2021'. DO NOT EDIT.
-
-package bridge
-
-const ReleaseNotes = `
-`
-
-const ReleaseFixedBugs = `• Fixed sending error caused by inconsistent use of upper and lower case in sender’s email address
-`

internal/bridge/send_test.go

@@ -0,0 +1,511 @@
+// 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-imap/client"
+	"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) {
+			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)
+
+			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 := client.Dial(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 := client.Dial(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.
+		withBridge(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 := client.Dial(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.
+			const message = `Subject: Test\r\n\r\nHello world!`
+
+			// 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.
+		withBridge(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 := client.Dial(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) {
+			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,
+			}
+
+			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 := client.Dial(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 := client.Dial(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)
+		})
+	})
+}

internal/bridge/sentry_test.go

@@ -0,0 +1,78 @@
+// 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"
+	"net"
+	"testing"
+
+	"github.com/ProtonMail/gluon/liner"
+	"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/golang/mock/gomock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBridge_Report(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(b *bridge.Bridge, mocks *bridge.Mocks) {
+			syncCh, done := chToType[events.Event, events.SyncFinished](b.GetEvents(events.SyncFinished{}))
+			defer done()
+
+			// Log in the user.
+			userID, err := b.LoginFull(ctx, username, password, nil, nil)
+			require.NoError(t, err)
+
+			// Wait until the sync has finished.
+			require.Equal(t, userID, (<-syncCh).UserID)
+
+			// Get the IMAP info.
+			info, err := b.GetUserInfo(userID)
+			require.NoError(t, err)
+			require.True(t, info.State == bridge.Connected)
+
+			// Dial the IMAP port.
+			conn, err := net.Dial("tcp", fmt.Sprintf("%v:%v", constants.Host, b.GetIMAPPort()))
+			require.NoError(t, err)
+			defer func() { require.NoError(t, conn.Close()) }()
+
+			// Sending garbage to the IMAP port should cause the bridge to report it.
+			mocks.Reporter.EXPECT().ReportMessageWithContext(
+				gomock.Eq("Failed to parse IMAP command"),
+				gomock.Any(),
+			).Return(nil)
+
+			// Read lines from the IMAP port.
+			lineCh := liner.New(conn).Lines(func() error { return nil })
+
+			// On connection, we should get the greeting.
+			require.Contains(t, string((<-lineCh).Line), "* OK")
+
+			// Send garbage data.
+			must(conn.Write([]byte("tag garbage\r\n")))
+
+			// Bridge will reply with BAD.
+			require.Contains(t, string((<-lineCh).Line), "tag BAD")
+		})
+	})
+}

internal/bridge/settings.go

@@ -0,0 +1,348 @@
+// 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"
+	"net"
+	"os"
+	"path/filepath"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/proton-bridge/v3/internal/safe"
+	"github.com/ProtonMail/proton-bridge/v3/internal/updater"
+	"github.com/ProtonMail/proton-bridge/v3/internal/vault"
+	"github.com/sirupsen/logrus"
+)
+
+func (bridge *Bridge) GetKeychainApp() (string, error) {
+	vaultDir, err := bridge.locator.ProvideSettingsPath()
+	if err != nil {
+		return "", err
+	}
+
+	return vault.GetHelper(vaultDir)
+}
+
+func (bridge *Bridge) SetKeychainApp(helper string) error {
+	vaultDir, err := bridge.locator.ProvideSettingsPath()
+	if err != nil {
+		return err
+	}
+
+	return vault.SetHelper(vaultDir, helper)
+}
+
+func (bridge *Bridge) GetIMAPPort() int {
+	return bridge.vault.GetIMAPPort()
+}
+
+func (bridge *Bridge) SetIMAPPort(newPort int) error {
+	if newPort == bridge.vault.GetIMAPPort() {
+		return nil
+	}
+
+	if err := bridge.vault.SetIMAPPort(newPort); err != nil {
+		return err
+	}
+
+	return bridge.restartIMAP()
+}
+
+func (bridge *Bridge) GetIMAPSSL() bool {
+	return bridge.vault.GetIMAPSSL()
+}
+
+func (bridge *Bridge) SetIMAPSSL(newSSL bool) error {
+	if newSSL == bridge.vault.GetIMAPSSL() {
+		return nil
+	}
+
+	if err := bridge.vault.SetIMAPSSL(newSSL); err != nil {
+		return err
+	}
+
+	return bridge.restartIMAP()
+}
+
+func (bridge *Bridge) GetSMTPPort() int {
+	return bridge.vault.GetSMTPPort()
+}
+
+func (bridge *Bridge) SetSMTPPort(newPort int) error {
+	if newPort == bridge.vault.GetSMTPPort() {
+		return nil
+	}
+
+	if err := bridge.vault.SetSMTPPort(newPort); err != nil {
+		return err
+	}
+
+	return bridge.restartSMTP()
+}
+
+func (bridge *Bridge) GetSMTPSSL() bool {
+	return bridge.vault.GetSMTPSSL()
+}
+
+func (bridge *Bridge) SetSMTPSSL(newSSL bool) error {
+	if newSSL == bridge.vault.GetSMTPSSL() {
+		return nil
+	}
+
+	if err := bridge.vault.SetSMTPSSL(newSSL); err != nil {
+		return err
+	}
+
+	return bridge.restartSMTP()
+}
+
+func (bridge *Bridge) GetGluonCacheDir() string {
+	return bridge.vault.GetGluonCacheDir()
+}
+
+func (bridge *Bridge) GetGluonDataDir() (string, error) {
+	return bridge.locator.ProvideGluonDataPath()
+}
+
+func (bridge *Bridge) SetGluonDir(ctx context.Context, newGluonDir string) error {
+	return safe.RLockRet(func() error {
+		currentGluonDir := bridge.GetGluonCacheDir()
+		newGluonDir = filepath.Join(newGluonDir, "gluon")
+		if newGluonDir == currentGluonDir {
+			return fmt.Errorf("new gluon dir is the same as the old one")
+		}
+
+		if err := bridge.closeIMAP(context.Background()); err != nil {
+			return fmt.Errorf("failed to close IMAP: %w", err)
+		}
+
+		if err := bridge.moveGluonCacheDir(currentGluonDir, newGluonDir); err != nil {
+			logrus.WithError(err).Error("failed to move GluonCacheDir")
+
+			if err := bridge.vault.SetGluonDir(currentGluonDir); err != nil {
+				return fmt.Errorf("failed to revert GluonCacheDir: %w", err)
+			}
+		}
+
+		gluonDataDir, err := bridge.GetGluonDataDir()
+		if err != nil {
+			return fmt.Errorf("failed to get Gluon Database directory: %w", err)
+		}
+
+		imapServer, err := newIMAPServer(
+			bridge.vault.GetGluonCacheDir(),
+			gluonDataDir,
+			bridge.curVersion,
+			bridge.tlsConfig,
+			bridge.reporter,
+			bridge.logIMAPClient,
+			bridge.logIMAPServer,
+			bridge.imapEventCh,
+			bridge.tasks,
+			bridge.uidValidityGenerator,
+			bridge.panicHandler,
+		)
+		if err != nil {
+			return fmt.Errorf("failed to create new IMAP server: %w", err)
+		}
+
+		bridge.imapServer = imapServer
+
+		for _, user := range bridge.users {
+			if err := bridge.addIMAPUser(ctx, user); err != nil {
+				return fmt.Errorf("failed to add users to new IMAP server: %w", err)
+			}
+		}
+
+		if err := bridge.serveIMAP(); err != nil {
+			return fmt.Errorf("failed to serve IMAP: %w", err)
+		}
+
+		return nil
+	}, bridge.usersLock)
+}
+
+func (bridge *Bridge) moveGluonCacheDir(oldGluonDir, newGluonDir string) error {
+	logrus.Infof("gluon cache moving from %s to %s", oldGluonDir, newGluonDir)
+	oldCacheDir := ApplyGluonCachePathSuffix(oldGluonDir)
+	if err := copyDir(oldCacheDir, ApplyGluonCachePathSuffix(newGluonDir)); err != nil {
+		return fmt.Errorf("failed to copy gluon dir: %w", err)
+	}
+
+	if err := bridge.vault.SetGluonDir(newGluonDir); err != nil {
+		return fmt.Errorf("failed to set new gluon cache dir: %w", err)
+	}
+
+	if err := os.RemoveAll(oldCacheDir); err != nil {
+		logrus.WithError(err).Error("failed to remove old gluon cache dir")
+	}
+	return nil
+}
+
+func (bridge *Bridge) GetProxyAllowed() bool {
+	return bridge.vault.GetProxyAllowed()
+}
+
+func (bridge *Bridge) SetProxyAllowed(allowed bool) error {
+	if allowed {
+		bridge.proxyCtl.AllowProxy()
+	} else {
+		bridge.proxyCtl.DisallowProxy()
+	}
+
+	return bridge.vault.SetProxyAllowed(allowed)
+}
+
+func (bridge *Bridge) GetShowAllMail() bool {
+	return bridge.vault.GetShowAllMail()
+}
+
+func (bridge *Bridge) SetShowAllMail(show bool) error {
+	return safe.RLockRet(func() error {
+		for _, user := range bridge.users {
+			user.SetShowAllMail(show)
+		}
+
+		return bridge.vault.SetShowAllMail(show)
+	}, bridge.usersLock)
+}
+
+func (bridge *Bridge) GetAutostart() bool {
+	return bridge.vault.GetAutostart()
+}
+
+func (bridge *Bridge) SetAutostart(autostart bool) error {
+	if autostart != bridge.vault.GetAutostart() {
+		if err := bridge.vault.SetAutostart(autostart); err != nil {
+			return err
+		}
+	}
+
+	var err error
+	if autostart {
+		// do nothing if already enabled
+		if bridge.autostarter.IsEnabled() {
+			return nil
+		}
+		err = bridge.autostarter.Enable()
+	} else {
+		// do nothing if already disabled
+		if !bridge.autostarter.IsEnabled() {
+			return nil
+		}
+		err = bridge.autostarter.Disable()
+	}
+
+	return err
+}
+
+func (bridge *Bridge) GetAutoUpdate() bool {
+	return bridge.vault.GetAutoUpdate()
+}
+
+func (bridge *Bridge) SetAutoUpdate(autoUpdate bool) error {
+	if bridge.vault.GetAutoUpdate() == autoUpdate {
+		return nil
+	}
+
+	if err := bridge.vault.SetAutoUpdate(autoUpdate); err != nil {
+		return err
+	}
+
+	bridge.goUpdate()
+
+	return nil
+}
+
+func (bridge *Bridge) GetUpdateChannel() updater.Channel {
+	return bridge.vault.GetUpdateChannel()
+}
+
+func (bridge *Bridge) SetUpdateChannel(channel updater.Channel) error {
+	if bridge.vault.GetUpdateChannel() == channel {
+		return nil
+	}
+
+	if err := bridge.vault.SetUpdateChannel(channel); err != nil {
+		return err
+	}
+
+	bridge.goUpdate()
+
+	return nil
+}
+
+func (bridge *Bridge) GetCurrentVersion() *semver.Version {
+	return bridge.curVersion
+}
+
+func (bridge *Bridge) GetLastVersion() *semver.Version {
+	return bridge.lastVersion
+}
+
+func (bridge *Bridge) GetFirstStart() bool {
+	return bridge.firstStart
+}
+
+func (bridge *Bridge) GetColorScheme() string {
+	return bridge.vault.GetColorScheme()
+}
+
+func (bridge *Bridge) SetColorScheme(colorScheme string) error {
+	return bridge.vault.SetColorScheme(colorScheme)
+}
+
+// FactoryReset deletes all users, wipes the vault, and deletes all files.
+// Note: it does not clear the keychain. The only entry in the keychain is the vault password,
+// which we need at next startup to decrypt the vault.
+func (bridge *Bridge) FactoryReset(ctx context.Context) {
+	// Delete all the users.
+	safe.Lock(func() {
+		for _, user := range bridge.users {
+			bridge.logoutUser(ctx, user, true, true)
+		}
+	}, bridge.usersLock)
+
+	// Wipe the vault.
+	gluonCacheDir, err := bridge.locator.ProvideGluonCachePath()
+	if err != nil {
+		logrus.WithError(err).Error("Failed to provide gluon dir")
+	} else if err := bridge.vault.Reset(gluonCacheDir); err != nil {
+		logrus.WithError(err).Error("Failed to reset vault")
+	}
+
+	// Lastly, delete all files except the vault.
+	if err := bridge.locator.Clear(bridge.vault.Path()); err != nil {
+		logrus.WithError(err).Error("Failed to clear data paths")
+	}
+}
+
+func getPort(addr net.Addr) int {
+	switch addr := addr.(type) {
+	case *net.TCPAddr:
+		return addr.Port
+
+	case *net.UDPAddr:
+		return addr.Port
+
+	default:
+		return 0
+	}
+}

internal/bridge/settings_test.go

@@ -0,0 +1,168 @@
+// 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"
+	"os"
+	"testing"
+
+	"github.com/ProtonMail/go-proton-api"
+	"github.com/ProtonMail/go-proton-api/server"
+	"github.com/ProtonMail/proton-bridge/v3/internal/bridge"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBridge_Settings_GluonDir(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// Create a user.
+			_, err := bridge.LoginFull(context.Background(), username, password, nil, nil)
+			require.NoError(t, err)
+
+			// Create a new location for the Gluon data.
+			newGluonDir := t.TempDir()
+
+			// Move the gluon dir; it should also move the user's data.
+			require.NoError(t, bridge.SetGluonDir(context.Background(), newGluonDir))
+
+			// Check that the new directory is not empty.
+			entries, err := os.ReadDir(newGluonDir)
+			require.NoError(t, err)
+
+			// There should be at least one entry.
+			require.NotEmpty(t, entries)
+		})
+	})
+}
+
+func TestBridge_Settings_IMAPPort(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			curPort := bridge.GetIMAPPort()
+
+			// Set the port to 1144.
+			require.NoError(t, bridge.SetIMAPPort(1144))
+
+			// Get the new setting.
+			require.Equal(t, 1144, bridge.GetIMAPPort())
+
+			// Assert that it has changed.
+			require.NotEqual(t, curPort, bridge.GetIMAPPort())
+		})
+	})
+}
+
+func TestBridge_Settings_IMAPSSL(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// By default, IMAP SSL is disabled.
+			require.False(t, bridge.GetIMAPSSL())
+
+			// Enable IMAP SSL.
+			require.NoError(t, bridge.SetIMAPSSL(true))
+
+			// Get the new setting.
+			require.True(t, bridge.GetIMAPSSL())
+		})
+	})
+}
+
+func TestBridge_Settings_SMTPPort(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			curPort := bridge.GetSMTPPort()
+
+			// Set the port to 1024.
+			require.NoError(t, bridge.SetSMTPPort(1024))
+
+			// Get the new setting.
+			require.Equal(t, 1024, bridge.GetSMTPPort())
+
+			// Assert that it has changed.
+			require.NotEqual(t, curPort, bridge.GetSMTPPort())
+		})
+	})
+}
+
+func TestBridge_Settings_SMTPSSL(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// By default, SMTP SSL is disabled.
+			require.False(t, bridge.GetSMTPSSL())
+
+			// Enable SMTP SSL.
+			require.NoError(t, bridge.SetSMTPSSL(true))
+
+			// Get the new setting.
+			require.True(t, bridge.GetSMTPSSL())
+		})
+	})
+}
+
+func TestBridge_Settings_Proxy(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// By default, proxy is allowed.
+			require.False(t, bridge.GetProxyAllowed())
+
+			// Disallow proxy.
+			mocks.ProxyCtl.EXPECT().AllowProxy()
+			require.NoError(t, bridge.SetProxyAllowed(true))
+
+			// Get the new setting.
+			require.True(t, bridge.GetProxyAllowed())
+		})
+	})
+}
+
+func TestBridge_Settings_Autostart(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// By default, autostart is enabled.
+			require.True(t, bridge.GetAutostart())
+
+			// Disable autostart.
+			mocks.Autostarter.EXPECT().IsEnabled().Return(true)
+			mocks.Autostarter.EXPECT().Disable().Return(nil)
+			require.NoError(t, bridge.SetAutostart(false))
+
+			// Get the new setting.
+			require.False(t, bridge.GetAutostart())
+
+			// Re Enable autostart.
+			mocks.Autostarter.EXPECT().IsEnabled().Return(false)
+			mocks.Autostarter.EXPECT().Enable().Return(nil)
+			require.NoError(t, bridge.SetAutostart(true))
+
+			// Get the new setting.
+			require.True(t, bridge.GetAutostart())
+		})
+	})
+}
+
+func TestBridge_Settings_FirstStart(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, mocks *bridge.Mocks) {
+			// By default, first start is true.
+			require.True(t, bridge.GetFirstStart())
+
+			// the setting of the first start value is managed by bridge itself, so the setter is not exported.
+		})
+	})
+}

internal/bridge/smtp.go

@@ -0,0 +1,137 @@
+// 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"
+	"fmt"
+
+	"github.com/ProtonMail/proton-bridge/v3/internal/events"
+	"github.com/ProtonMail/proton-bridge/v3/internal/logging"
+
+	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
+	"github.com/emersion/go-sasl"
+	"github.com/emersion/go-smtp"
+	"github.com/sirupsen/logrus"
+)
+
+func (bridge *Bridge) serveSMTP() error {
+	port, err := func() (int, error) {
+		logrus.Info("Starting SMTP server")
+
+		smtpListener, err := newListener(bridge.vault.GetSMTPPort(), bridge.vault.GetSMTPSSL(), bridge.tlsConfig)
+		if err != nil {
+			return 0, fmt.Errorf("failed to create SMTP listener: %w", err)
+		}
+
+		bridge.smtpListener = smtpListener
+
+		bridge.tasks.Once(func(context.Context) {
+			if err := bridge.smtpServer.Serve(smtpListener); err != nil {
+				logrus.WithError(err).Info("SMTP server stopped")
+			}
+		})
+
+		if err := bridge.vault.SetSMTPPort(getPort(smtpListener.Addr())); err != nil {
+			return 0, fmt.Errorf("failed to store SMTP port in vault: %w", err)
+		}
+
+		return getPort(smtpListener.Addr()), nil
+	}()
+
+	if err != nil {
+		bridge.publish(events.SMTPServerError{
+			Error: err,
+		})
+
+		return err
+	}
+
+	bridge.publish(events.SMTPServerReady{
+		Port: port,
+	})
+
+	return nil
+}
+
+func (bridge *Bridge) restartSMTP() error {
+	logrus.Info("Restarting SMTP server")
+
+	if err := bridge.closeSMTP(); err != nil {
+		return fmt.Errorf("failed to close SMTP: %w", err)
+	}
+
+	bridge.publish(events.SMTPServerStopped{})
+
+	bridge.smtpServer = newSMTPServer(bridge, bridge.tlsConfig, bridge.logSMTP)
+
+	return bridge.serveSMTP()
+}
+
+// We close the listener ourselves even though it's also closed by smtpServer.Close().
+// This is because smtpServer.Serve() is called in a separate goroutine and might be executed
+// after we've already closed the server. However, go-smtp has a bug; it blocks on the listener
+// even after the server has been closed. So we close the listener ourselves to unblock it.
+func (bridge *Bridge) closeSMTP() error {
+	logrus.Info("Closing SMTP server")
+
+	if bridge.smtpListener != nil {
+		if err := bridge.smtpListener.Close(); err != nil {
+			return fmt.Errorf("failed to close SMTP listener: %w", err)
+		}
+	}
+
+	if err := bridge.smtpServer.Close(); err != nil {
+		logrus.WithError(err).Debug("Failed to close SMTP server (expected -- we close the listener ourselves)")
+	}
+
+	bridge.publish(events.SMTPServerStopped{})
+
+	return nil
+}
+
+func newSMTPServer(bridge *Bridge, tlsConfig *tls.Config, logSMTP bool) *smtp.Server {
+	logrus.WithField("logSMTP", logSMTP).Info("Creating SMTP server")
+
+	smtpServer := smtp.NewServer(&smtpBackend{Bridge: bridge})
+
+	smtpServer.TLSConfig = tlsConfig
+	smtpServer.Domain = constants.Host
+	smtpServer.AllowInsecureAuth = true
+	smtpServer.MaxLineLength = 1 << 16
+	smtpServer.ErrorLog = logging.NewSMTPLogger()
+
+	// go-smtp suppors SASL PLAIN but not LOGIN. We need to add LOGIN support ourselves.
+	smtpServer.EnableAuth(sasl.Login, func(conn *smtp.Conn) sasl.Server {
+		return sasl.NewLoginServer(func(username, password string) error {
+			return conn.Session().AuthPlain(username, password)
+		})
+	})
+
+	if logSMTP {
+		log := logrus.WithField("protocol", "SMTP")
+		log.Warning("================================================")
+		log.Warning("THIS LOG WILL CONTAIN **DECRYPTED** MESSAGE DATA")
+		log.Warning("================================================")
+
+		smtpServer.Debug = logging.NewSMTPDebugLogger()
+	}
+
+	return smtpServer
+}

internal/bridge/smtp_backend.go

@@ -0,0 +1,96 @@
+// 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"
+
+	"github.com/ProtonMail/proton-bridge/v3/internal/safe"
+	"github.com/emersion/go-smtp"
+)
+
+type smtpBackend struct {
+	*Bridge
+}
+
+type smtpSession struct {
+	*Bridge
+
+	userID string
+	authID string
+
+	from string
+	to   []string
+}
+
+func (be *smtpBackend) NewSession(*smtp.Conn) (smtp.Session, error) {
+	return &smtpSession{Bridge: be.Bridge}, nil
+}
+
+func (s *smtpSession) AuthPlain(username, password string) error {
+	return safe.RLockRet(func() error {
+		for _, user := range s.users {
+			addrID, err := user.CheckAuth(username, []byte(password))
+			if err != nil {
+				continue
+			}
+
+			s.userID = user.ID()
+			s.authID = addrID
+
+			return nil
+		}
+
+		return fmt.Errorf("invalid username or password")
+	}, s.usersLock)
+}
+
+func (s *smtpSession) Reset() {
+	s.from = ""
+	s.to = nil
+}
+
+func (s *smtpSession) Logout() error {
+	s.Reset()
+	return nil
+}
+
+func (s *smtpSession) Mail(from string, opts *smtp.MailOptions) error {
+	s.from = from
+	return nil
+}
+
+func (s *smtpSession) Rcpt(to string) error {
+	if len(to) > 0 {
+		s.to = append(s.to, to)
+	}
+
+	return nil
+}
+
+func (s *smtpSession) Data(r io.Reader) error {
+	return safe.RLockRet(func() error {
+		user, ok := s.users[s.userID]
+		if !ok {
+			return ErrNoSuchUser
+		}
+
+		return user.SendMail(s.authID, s.from, s.to, r)
+	}, s.usersLock)
+}

internal/bridge/store_factory.go

@@ -1,87 +0,0 @@
-// Copyright (c) 2021 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package bridge
-
-import (
-	"fmt"
-	"path/filepath"
-
-	"github.com/ProtonMail/proton-bridge/internal/sentry"
-	"github.com/ProtonMail/proton-bridge/internal/store"
-	"github.com/ProtonMail/proton-bridge/internal/store/cache"
-	"github.com/ProtonMail/proton-bridge/internal/users"
-	"github.com/ProtonMail/proton-bridge/pkg/listener"
-	"github.com/ProtonMail/proton-bridge/pkg/message"
-)
-
-type storeFactory struct {
-	cacheProvider  CacheProvider
-	sentryReporter *sentry.Reporter
-	panicHandler   users.PanicHandler
-	eventListener  listener.Listener
-	events         *store.Events
-	cache          cache.Cache
-	builder        *message.Builder
-}
-
-func newStoreFactory(
-	cacheProvider CacheProvider,
-	sentryReporter *sentry.Reporter,
-	panicHandler users.PanicHandler,
-	eventListener listener.Listener,
-	cache cache.Cache,
-	builder *message.Builder,
-) *storeFactory {
-	return &storeFactory{
-		cacheProvider:  cacheProvider,
-		sentryReporter: sentryReporter,
-		panicHandler:   panicHandler,
-		eventListener:  eventListener,
-		events:         store.NewEvents(cacheProvider.GetIMAPCachePath()),
-		cache:          cache,
-		builder:        builder,
-	}
-}
-
-// New creates new store for given user.
-func (f *storeFactory) New(user store.BridgeUser) (*store.Store, error) {
-	return store.New(
-		f.sentryReporter,
-		f.panicHandler,
-		user,
-		f.eventListener,
-		f.cache,
-		f.builder,
-		getUserStorePath(f.cacheProvider.GetDBDir(), user.ID()),
-		f.events,
-	)
-}
-
-// Remove removes all store files for given user.
-func (f *storeFactory) Remove(userID string) error {
-	return store.RemoveStore(
-		f.events,
-		getUserStorePath(f.cacheProvider.GetDBDir(), userID),
-		userID,
-	)
-}
-
-// getUserStorePath returns the file path of the store database for the given userID.
-func getUserStorePath(storeDir string, userID string) (path string) {
-	return filepath.Join(storeDir, fmt.Sprintf("mailbox-%v.db", userID))
-}