chore: Xikou Bridge 3.8.1 changelog.

Rather than returning whether the vault was corrupt or not return the
error which caused the vault to be considered as corrupt.

.gitlab-ci.yml

@@ -34,270 +34,9 @@ stages:
   - test
   - build
 
-.rules-branch-and-MR-manual:
+include:
-  rules:
+  - local: ci/rules.yml
-    - if: $CI_COMMIT_BRANCH ||  $CI_PIPELINE_SOURCE == "merge_request_event"
+  - local: ci/env.yml
-      when: manual
+  - local: ci/test.yml
-      allow_failure: true
+  - local: ci/build.yml
-    - 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
-
-.rules-branch-manual-scheduled-and-test-branch-always:
-  rules:
-    - if: $CI_PIPELINE_SOURCE == "schedule"
-      when: always
-      allow_failure: false
-    - if: $CI_MERGE_REQUEST_SOURCE_BRANCH_NAME=~ /^test/
-      when: always
-      allow_failure: false
-    - if: $CI_COMMIT_BRANCH
-      when: manual
-      allow_failure: true
-    - when: never
-
-# ENV
-.env-windows:
-  before_script:
-    - export BRIDGE_SYNC_FORCE_MINIMUM_SPEC=1
-    - export GOROOT=/c/Go1.20/
-    - export PATH=$GOROOT/bin:$PATH
-    - export GOARCH=amd64
-    - export GOPATH=~/go1.20
-    - export GO111MODULE=on
-    - export PATH="${GOPATH}/bin:${PATH}"
-    - export MSYSTEM=
-    - export QT6DIR=/c/grrrQt/6.4.3/msvc2019_64
-    - export PATH=$PATH:${QT6DIR}/bin
-    - export PATH="/c/Program Files/Microsoft Visual Studio/2022/Community/Common7/IDE/CommonExtensions/Microsoft/CMake/CMake/bin:$PATH"
-    - $(git config --global -l | grep -o 'url.*gitlab.protontech.ch.*insteadof' | xargs -L 1 git config --global --unset &> /dev/null) || echo "nothing to remove"
-    - git config --global url.https://gitlab-ci-token:${CI_JOB_TOKEN}@${CI_SERVER_HOST}.insteadOf https://${CI_SERVER_HOST}
-    - git config --global safe.directory '*'
-    - git status --porcelain
-  cache: {}
-  tags:
-    - windows-bridge
-
-.env-darwin:
-  before_script:
-    - export BRIDGE_SYNC_FORCE_MINIMUM_SPEC=1
-    - export PATH=/usr/local/bin:$PATH
-    - export PATH=/usr/local/opt/git/bin:$PATH
-    - export PATH=/usr/local/opt/make/libexec/gnubin:$PATH
-    - export PATH=/usr/local/opt/gnu-sed/libexec/gnubin:$PATH
-    - export GOROOT=~/local/opt/go@1.20
-    - export PATH="${GOROOT}/bin:$PATH"
-    - export GOPATH=~/go1.20
-    - export PATH="${GOPATH}/bin:$PATH"
-    - export QT6DIR=/opt/Qt/6.4.3/macos
-    - export PATH="${QT6DIR}/bin:$PATH"
-    - uname -a
-  cache: {}
-  tags:
-    - macos-m1-bridge
-
-.env-linux-build:
-  image: gitlab.protontech.ch:4567/go/bridge-internal:build-go1.20-qt6.4.3
-  variables:
-    VCPKG_DEFAULT_BINARY_CACHE: ${CI_PROJECT_DIR}/.cache
-  cache:
-    key: linux-vcpkg
-    paths:
-      - .cache
-    when: 'always'
-  before_script:
-    - mkdir -p .cache/bin
-    - export BRIDGE_SYNC_FORCE_MINIMUM_SPEC=1
-    - export PATH=$(pwd)/.cache/bin:$PATH
-    - export GOPATH="$CI_PROJECT_DIR/.cache"
-    - export PATH=$PATH:$QT6DIR/bin
-    - $(git config --global -l | grep -o 'url.*gitlab.protontech.ch.*insteadof' | xargs -L 1 git config --global --unset &> /dev/null) || echo "nothing to remove"
-    - git config --global url.https://gitlab-ci-token:${CI_JOB_TOKEN}@${CI_SERVER_HOST}.insteadOf https://${CI_SERVER_HOST}
-  tags:
-    - shared-large
-
-# Stage: TEST
-
-lint:
-  stage: test
-  extends:
-    - .rules-branch-manual-MR-and-devel-always
-  script:
-    - make lint
-  tags:
-    - shared-medium
-
-bug-report-preview:
-  stage: test
-  extends:
-    - .rules-branch-and-MR-manual
-  script:
-    - make lint-bug-report-preview
-  tags:
-    - shared-medium
-
-.script-test:
-  stage: test
-  extends:
-    - .rules-branch-manual-MR-and-devel-always
-  script:
-    - make test
-  artifacts:
-    paths:
-      - coverage/**
-
-test-linux:
-  extends:
-    - .script-test
-  tags:
-    - shared-large
-
-fuzz-linux:
-  stage: test
-  extends:
-    - .rules-branch-manual-MR-and-devel-always
-  script:
-    - make fuzz
-  tags:
-    - shared-large
-
-test-linux-race:
-  extends:
-    - test-linux
-    - .rules-branch-and-MR-manual
-  script:
-    - make test-race
-
-test-integration:
-  extends:
-    - test-linux
-  script:
-    - make test-integration
-
-test-integration-race:
-  extends:
-    - test-integration
-    - .rules-branch-and-MR-manual
-  script:
-    - make test-integration-race
-
-test-integration-nightly:
-  extends:
-    - test-integration
-    - .rules-branch-manual-scheduled-and-test-branch-always
-  needs:
-    - test-integration
-  script:
-    - make test-integration-nightly
-
-test-windows:
-  extends:
-    - .env-windows
-    - .script-test
-
-test-darwin:
-  extends:
-    - .env-darwin
-    - .script-test
-
-test-coverage:
-  stage: test
-  extends:
-    - .rules-branch-manual-scheduled-and-test-branch-always
-  script:
-    - ./utils/coverage.sh
-  coverage: '/total:.*\(statements\).*\d+\.\d+%/'
-  needs:
-    - test-linux
-    - test-windows
-    - test-darwin
-    - test-integration
-    - test-integration-nightly
-  tags:
-    - shared-small
-  artifacts:
-    paths:
-      - coverage*
-      - coverage/**
-    when: 'always'
-    reports:
-      coverage_report:
-        coverage_format: cobertura
-        path: coverage.xml
-
-# Stage: BUILD
-
-.script-build:
-  stage: build
-  needs: ["lint"]
-  extends:
-    - .rules-branch-and-MR-manual
-  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
-
-build-linux:
-  extends:
-    - .script-build
-    - .env-linux-build
-
-build-linux-qa:
-  extends:
-    - build-linux
-    - .rules-branch-manual-MR-and-devel-always
-  variables:
-    BUILD_TAGS: "build_qa"
-
-build-darwin:
-  extends:
-    - .script-build
-    - .env-darwin
-
-build-darwin-qa:
-  extends:
-    - build-darwin
-  variables:
-    BUILD_TAGS: "build_qa"
-
-build-windows:
-  extends:
-    - .script-build
-    - .env-windows
-
-build-windows-qa:
-  extends:
-    - build-windows
-  variables:
-    BUILD_TAGS: "build_qa"
-
-trigger-qa-installer:
-  stage: build
-  needs: ["lint"]
-  extends:
-    - .rules-branch-and-MR-manual
-  variables:
-    APP: bridge
-    WORKFLOW: build-all
-    SRC_TAG: $CI_COMMIT_BRANCH
-    SRC_HASH: $CI_COMMIT_SHA
-  trigger:
-    project: "jcuth/bridge-release"
-    branch: master
-
-# TODO: PUT BACK ALL THE JOBS! JUST DID THIS FOR NOW TO GET CI WORKING AGAIN...

COPYING_NOTES.md

@@ -50,6 +50,7 @@ Proton Mail Bridge includes the following 3rd party software:
 * [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-locale](https://github.com/jeandeaual/go-locale) available under [license](https://github.com/jeandeaual/go-locale/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) 

Changelog.md

@@ -3,6 +3,53 @@
 Changelog [format](http://keepachangelog.com/en/1.0.0/)
 
 
+## Xikou Bridge 3.8.1
+
+### Added
+* GODT-3121: Suggest relevant KB articles in the in-app bug report form.
+* GODT-2001: Add govulncheck to scan for vulnerabilities.
+
+### Changed
+* Keep nighlty-job log as artifact.
+* Test: Improve TestMetadata_JobCorrectlyFinishesAfterCancel.
+
+### Fixed
+* GODT-3153: Do not take into account full address when hasing messages.
+
+
+## Xikou Bridge 3.8.0
+
+### Added
+* Test: Add test scenarios to add an /Answered flag to a replied message and revert.
+* GODT-3046: Added links to KB in error messages.
+* Test(GODT-3113): Inline HTML message and HTML attachment is getting altered.
+* Test(GODT-3124): Attempt to fix 401 during login.
+
+### Changed
+* GODT-3134: Br tag triggers installer.
+* Added update events to bridge GUI tester.
+
+### Fixed
+* GODT-3142: Pass br tag if available.
+* GODT-3151: Fix feature test with non modified HTML part.
+* GODT-3151: Only modify HTML Meta content if UTF-8 charset override is needed.
+* GODT-2851: Add empty text part if no text part when importing multipart.
+* GODT-3102: Distinguish Vault Decryption from Serialization Errors.
+* GODT-3124: Handling of sync child jobs.
+* GODT-3148: Bump go-sysinfo to get rid of linker warning on macOS Sonoma.
+* GODT-3124: Flaky tests.
+* GODT-3022: Handle multipart/related on fake server.
+* GODT-3133: Fix GetSystemLanguage.
+* GODT-3124: Race condition in sync task waiter.
+* GODT-3124: Race conditions reported by race check.
+* GODT-2797: Encode attached key name and use same pubkey name as web-app.
+* Fix case of IMAP login error.
+* GODT-3132: Do not allow sending on disabled accounts.
+* GODT-3046: fix typo spotted during KB article review.
+* GODT-3129: Bad Event during after address order change.
+* GODT-3117: Improve GetAllContacts and GetAllContactsEmail.
+
+
 ## Wakato Bridge 3.7.1
 
 ### Added

Makefile

@@ -11,7 +11,7 @@ ROOT_DIR:=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
 .PHONY: build build-gui build-nogui build-launcher versioner hasher
 
 # Keep version hardcoded so app build works also without Git repository.
-BRIDGE_APP_VERSION?=3.7.1+git
+BRIDGE_APP_VERSION?=3.8.1+git
 APP_VERSION:=${BRIDGE_APP_VERSION}
 APP_FULL_NAME:=Proton Mail Bridge
 APP_VENDOR:=Proton AG
@@ -328,13 +328,6 @@ lint-bug-report:
 lint-bug-report-preview:
 	python3 utils/validate_bug_report_file.py --file "internal/frontend/bridge-gui/bridge-gui/qml/Resources/bug_report_flow.json" --preview
 
-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

ci/build.yml

@@ -0,0 +1,69 @@
+
+---
+
+.script-build:
+  stage: build
+  needs: ["lint"]
+  extends:
+    - .rules-branch-and-MR-manual
+  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
+
+build-linux:
+  extends:
+    - .script-build
+    - .env-linux-build
+
+build-linux-qa:
+  extends:
+    - build-linux
+    - .rules-branch-manual-MR-and-devel-always
+  variables:
+    BUILD_TAGS: "build_qa"
+
+build-darwin:
+  extends:
+    - .script-build
+    - .env-darwin
+
+build-darwin-qa:
+  extends:
+    - build-darwin
+  variables:
+    BUILD_TAGS: "build_qa"
+
+build-windows:
+  extends:
+    - .script-build
+    - .env-windows
+
+build-windows-qa:
+  extends:
+    - build-windows
+  variables:
+    BUILD_TAGS: "build_qa"
+
+trigger-qa-installer:
+  stage: build
+  needs: ["lint"]
+  extends:
+    - .rules-br-tag-always-branch-and-MR-manual
+  variables:
+    APP: bridge
+    WORKFLOW: build-all
+    SRC_TAG: $CI_COMMIT_BRANCH
+    TAG: $CI_COMMIT_TAG
+    SRC_HASH: $CI_COMMIT_SHA
+  trigger:
+    project: "jcuth/bridge-release"
+    branch: master
+

ci/env.yml

@@ -0,0 +1,62 @@
+
+---
+
+.env-windows:
+  before_script:
+    - export BRIDGE_SYNC_FORCE_MINIMUM_SPEC=1
+    - export GOROOT=/c/Go1.20/
+    - export PATH=$GOROOT/bin:$PATH
+    - export GOARCH=amd64
+    - export GOPATH=~/go1.20
+    - export GO111MODULE=on
+    - export PATH="${GOPATH}/bin:${PATH}"
+    - export MSYSTEM=
+    - export QT6DIR=/c/grrrQt/6.4.3/msvc2019_64
+    - export PATH=$PATH:${QT6DIR}/bin
+    - export PATH="/c/Program Files/Microsoft Visual Studio/2022/Community/Common7/IDE/CommonExtensions/Microsoft/CMake/CMake/bin:$PATH"
+    - $(git config --global -l | grep -o 'url.*gitlab.protontech.ch.*insteadof' | xargs -L 1 git config --global --unset &> /dev/null) || echo "nothing to remove"
+    - git config --global url.https://gitlab-ci-token:${CI_JOB_TOKEN}@${CI_SERVER_HOST}.insteadOf https://${CI_SERVER_HOST}
+    - git config --global safe.directory '*'
+    - git status --porcelain
+  cache: {}
+  tags:
+    - windows-bridge
+
+.env-darwin:
+  before_script:
+    - export BRIDGE_SYNC_FORCE_MINIMUM_SPEC=1
+    - export PATH=/usr/local/bin:$PATH
+    - export PATH=/usr/local/opt/git/bin:$PATH
+    - export PATH=/usr/local/opt/make/libexec/gnubin:$PATH
+    - export PATH=/usr/local/opt/gnu-sed/libexec/gnubin:$PATH
+    - export GOROOT=~/local/opt/go@1.20
+    - export PATH="${GOROOT}/bin:$PATH"
+    - export GOPATH=~/go1.20
+    - export PATH="${GOPATH}/bin:$PATH"
+    - export QT6DIR=/opt/Qt/6.4.3/macos
+    - export PATH="${QT6DIR}/bin:$PATH"
+    - uname -a
+  cache: {}
+  tags:
+    - macos-m1-bridge
+
+.env-linux-build:
+  image: gitlab.protontech.ch:4567/go/bridge-internal:build-go1.20-qt6.4.3
+  variables:
+    VCPKG_DEFAULT_BINARY_CACHE: ${CI_PROJECT_DIR}/.cache
+  cache:
+    key: linux-vcpkg
+    paths:
+      - .cache
+    when: 'always'
+  before_script:
+    - mkdir -p .cache/bin
+    - export BRIDGE_SYNC_FORCE_MINIMUM_SPEC=1
+    - export PATH=$(pwd)/.cache/bin:$PATH
+    - export GOPATH="$CI_PROJECT_DIR/.cache"
+    - export PATH=$PATH:$QT6DIR/bin
+    - $(git config --global -l | grep -o 'url.*gitlab.protontech.ch.*insteadof' | xargs -L 1 git config --global --unset &> /dev/null) || echo "nothing to remove"
+    - git config --global url.https://gitlab-ci-token:${CI_JOB_TOKEN}@${CI_SERVER_HOST}.insteadOf https://${CI_SERVER_HOST}
+  tags:
+    - shared-large
+

ci/rules.yml

@@ -0,0 +1,58 @@
+
+---
+
+.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-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
+
+.rules-branch-manual-br-tag-and-MR-and-devel-always:
+  rules:
+    - if: $CI_COMMIT_BRANCH == "devel" || $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: always
+      allow_failure: false
+    - if: $CI_PIPELINE_SOURCE == "push" && $CI_COMMIT_TAG =~ /^br-\d+/
+      when: always
+      allow_failure: false
+    - if: $CI_COMMIT_BRANCH
+      when: manual
+      allow_failure: true
+    - when: never
+
+.rules-branch-manual-scheduled-and-test-branch-always:
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "schedule"
+      when: always
+      allow_failure: false
+    - if: $CI_MERGE_REQUEST_SOURCE_BRANCH_NAME=~ /^test/
+      when: always
+      allow_failure: false
+    - if: $CI_COMMIT_BRANCH
+      when: manual
+      allow_failure: true
+    - when: never
+
+.rules-br-tag-always-branch-and-MR-manual:
+  rules:
+    - if: $CI_PIPELINE_SOURCE == 'push' && $CI_COMMIT_BRANCH
+      when: manual
+      allow_failure: true
+    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
+      when: manual
+      allow_failure: true
+    - if: $CI_PIPELINE_SOURCE == "push" && $CI_COMMIT_TAG =~ /^br-\d+/
+      when: always
+    - when: never
+

ci/test.yml

@@ -0,0 +1,128 @@
+
+---
+
+lint:
+  stage: test
+  extends:
+    - .rules-branch-manual-br-tag-and-MR-and-devel-always
+  script:
+    - make lint
+  tags:
+    - shared-medium
+
+bug-report-preview:
+  stage: test
+  extends:
+    - .rules-branch-and-MR-manual
+  script:
+    - make lint-bug-report-preview
+  tags:
+    - shared-medium
+
+.script-test:
+  stage: test
+  extends:
+    - .rules-branch-manual-MR-and-devel-always
+  script:
+    - make test
+  artifacts:
+    paths:
+      - coverage/**
+
+test-linux:
+  extends:
+    - .script-test
+  tags:
+    - shared-large
+
+fuzz-linux:
+  stage: test
+  extends:
+    - .rules-branch-manual-MR-and-devel-always
+  script:
+    - make fuzz
+  tags:
+    - shared-large
+
+test-linux-race:
+  extends:
+    - test-linux
+    - .rules-branch-and-MR-manual
+  script:
+    - make test-race
+
+test-integration:
+  extends:
+    - test-linux
+  script:
+    - make test-integration
+
+test-integration-race:
+  extends:
+    - test-integration
+    - .rules-branch-and-MR-manual
+  script:
+    - make test-integration-race
+
+test-integration-nightly:
+  extends:
+    - test-integration
+    - .rules-branch-manual-scheduled-and-test-branch-always
+  needs:
+    - test-integration
+  script:
+    - make test-integration-nightly | tee -a nightly-job.log
+  artifacts:
+    when: always
+    paths:
+      - nightly-job.log
+
+test-windows:
+  extends:
+    - .env-windows
+    - .script-test
+
+test-darwin:
+  extends:
+    - .env-darwin
+    - .script-test
+
+test-coverage:
+  stage: test
+  extends:
+    - .rules-branch-manual-scheduled-and-test-branch-always
+  script:
+    - ./utils/coverage.sh
+  coverage: '/total:.*\(statements\).*\d+\.\d+%/'
+  needs:
+    - test-linux
+    - test-windows
+    - test-darwin
+    - test-integration
+    - test-integration-nightly
+  tags:
+    - shared-small
+  artifacts:
+    paths:
+      - coverage*
+      - coverage/**
+    when: 'always'
+    reports:
+      coverage_report:
+        coverage_format: cobertura
+        path: coverage.xml
+
+go-vuln-check:
+  extends:
+    - .rules-branch-manual-MR-and-devel-always
+  stage: test
+  tags:
+    - shared-medium
+  script:
+    - apt-get -y install jq
+    - ./utils/govulncheck.sh
+  artifacts:
+    when: always
+    paths:
+      - vulns*
+

go.mod

@@ -5,9 +5,9 @@ go 1.20
 require (
 	github.com/0xAX/notificator v0.0.0-20220220101646-ee9b8921e557
 	github.com/Masterminds/semver/v3 v3.2.0
-	github.com/ProtonMail/gluon v0.17.1-0.20231114153341-2ecbdd2739f7
+	github.com/ProtonMail/gluon v0.17.1-0.20231206152152-caaf10897f9e
 	github.com/ProtonMail/go-autostart v0.0.0-20210130080809-00ed301c8e9a
-	github.com/ProtonMail/go-proton-api v0.4.1-0.20231116144214-8a47c8d92fbc
+	github.com/ProtonMail/go-proton-api v0.4.1-0.20231130083229-e8aa47d7a366
 	github.com/ProtonMail/gopenpgp/v2 v2.7.4-proton
 	github.com/PuerkitoBio/goquery v1.8.1
 	github.com/abiosoft/ishell v2.0.0+incompatible
@@ -16,7 +16,7 @@ require (
 	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/elastic/go-sysinfo v1.8.1
+	github.com/elastic/go-sysinfo v1.11.2-0.20231129083954-35e55cd2a542
 	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
@@ -32,6 +32,7 @@ require (
 	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/jeandeaual/go-locale v0.0.0-20220711133428-7de61946b173
 	github.com/keybase/go-keychain v0.0.0
 	github.com/miekg/dns v1.1.50
 	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58
@@ -122,6 +123,6 @@ replace (
 	github.com/docker/docker-credential-helpers => github.com/ProtonMail/docker-credential-helpers v1.1.0
 	github.com/emersion/go-message => github.com/ProtonMail/go-message v0.13.1-0.20230526094639-b62c999c85b7
 	github.com/emersion/go-smtp => github.com/ProtonMail/go-smtp v0.0.0-20231109081432-2b3d50599865
-	github.com/go-resty/resty/v2 => github.com/LBeernaertProton/resty/v2 v2.0.0-20231030122409-92db8bee3605
+	github.com/go-resty/resty/v2 => github.com/LBeernaertProton/resty/v2 v2.0.0-20231129100320-dddf8030d93a
 	github.com/keybase/go-keychain => github.com/cuthix/go-keychain v0.0.0-20230517073537-fc1740a83768
 )

go.sum

@@ -11,22 +11,25 @@ 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=
+fyne.io/fyne v1.4.2/go.mod h1:xL4c3WmpE/Tvz5CEm5vqsaizU/EeOCm9DYlL2GtTSiM=
 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/LBeernaertProton/resty/v2 v2.0.0-20231030122409-92db8bee3605 h1:54Fh3JS6s2Tjy6ZIRLtt1amZOqfYDcjErdye45z8fkQ=
+github.com/Kodeworks/golang-image-ico v0.0.0-20141118225523-73f0f4cfade9/go.mod h1:7uhhqiBaR4CpN0k9rMjOtjpcfGd6DG2m04zQxKnWQ0I=
-github.com/LBeernaertProton/resty/v2 v2.0.0-20231030122409-92db8bee3605/go.mod h1:iiP/OpA0CkcL3IGt1O0+/SIItFUbkkyw5BGXiVdTu+A=
+github.com/LBeernaertProton/resty/v2 v2.0.0-20231129100320-dddf8030d93a h1:eQO/GF/+H8/9udc9QAgieFr+jr1tjXlJo35RAhsUbWY=
+github.com/LBeernaertProton/resty/v2 v2.0.0-20231129100320-dddf8030d93a/go.mod h1:iiP/OpA0CkcL3IGt1O0+/SIItFUbkkyw5BGXiVdTu+A=
 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/Microsoft/go-winio v0.6.0 h1:slsWYD/zyx7lCXoZVlvQrj0hPTM1HI4+v1sIda2yDvg=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/ProtonMail/bcrypt v0.0.0-20210511135022-227b4adcab57/go.mod h1:HecWFHognK8GfRDGnFQbW/LiV7A3MX3gZVs45vk5h8I=
 github.com/ProtonMail/bcrypt v0.0.0-20211005172633-e235017c1baf h1:yc9daCCYUefEs69zUkSzubzjBbL+cmOXgnmt9Fyd9ug=
 github.com/ProtonMail/bcrypt v0.0.0-20211005172633-e235017c1baf/go.mod h1:o0ESU9p83twszAU8LBeJKFAAMX14tISa0yk4Oo5TOqo=
 github.com/ProtonMail/docker-credential-helpers v1.1.0 h1:+kvUIpwWcbtP3WFv5sSvkFn/XLzSqPOB5AAthuk9xPk=
 github.com/ProtonMail/docker-credential-helpers v1.1.0/go.mod h1:mK0aBveCxhnQ756AmaTfXMZDeULvheYVhF/MWMErN5g=
-github.com/ProtonMail/gluon v0.17.1-0.20231114153341-2ecbdd2739f7 h1:w+VoSAq9FQvKMm3DlH1MIEZ1KGe7LJ+81EJFVwSV4VU=
+github.com/ProtonMail/gluon v0.17.1-0.20231206152152-caaf10897f9e h1:kHmSOTxynSip1WJvwZTFOGJPVfI42e/I8bDzDjLK7aM=
-github.com/ProtonMail/gluon v0.17.1-0.20231114153341-2ecbdd2739f7/go.mod h1:Og5/Dz1MiGpCJn51XujZwxiLG7WzvvjE5PRpZBQmAHo=
+github.com/ProtonMail/gluon v0.17.1-0.20231206152152-caaf10897f9e/go.mod h1:Og5/Dz1MiGpCJn51XujZwxiLG7WzvvjE5PRpZBQmAHo=
 github.com/ProtonMail/go-autostart v0.0.0-20210130080809-00ed301c8e9a h1:D+aZah+k14Gn6kmL7eKxoo/4Dr/lK3ChBcwce2+SQP4=
 github.com/ProtonMail/go-autostart v0.0.0-20210130080809-00ed301c8e9a/go.mod h1:oTGdE7/DlWIr23G0IKW3OXK9wZ5Hw1GGiaJFccTvZi4=
 github.com/ProtonMail/go-crypto v0.0.0-20230321155629-9a39f2531310/go.mod h1:8TI4H3IbrackdNgv+92dI+rhpCaLqM0IfpgCgenFvRE=
@@ -36,8 +39,8 @@ github.com/ProtonMail/go-message v0.13.1-0.20230526094639-b62c999c85b7 h1:+j+Kd/
 github.com/ProtonMail/go-message v0.13.1-0.20230526094639-b62c999c85b7/go.mod h1:NBAn21zgCJ/52WLDyed18YvYFm5tEoeDauubFqLokM4=
 github.com/ProtonMail/go-mime v0.0.0-20230322103455-7d82a3887f2f h1:tCbYj7/299ekTTXpdwKYF8eBlsYsDVoggDAuAjoK66k=
 github.com/ProtonMail/go-mime v0.0.0-20230322103455-7d82a3887f2f/go.mod h1:gcr0kNtGBqin9zDW9GOHcVntrwnjrK+qdJ06mWYBybw=
-github.com/ProtonMail/go-proton-api v0.4.1-0.20231116144214-8a47c8d92fbc h1:GBRKoFAldApEMkMrsFN1ZxG0eG797w6LTv/dFMDcsqQ=
+github.com/ProtonMail/go-proton-api v0.4.1-0.20231130083229-e8aa47d7a366 h1:W9P5GdDnuGkB3tbzKnXmUrTjIs6zk/K+4lpPTWzsoRE=
-github.com/ProtonMail/go-proton-api v0.4.1-0.20231116144214-8a47c8d92fbc/go.mod h1:WEXJqj5DSc2YI77SgXdpMY0nk33Qy92Vu2r4tOEazA8=
+github.com/ProtonMail/go-proton-api v0.4.1-0.20231130083229-e8aa47d7a366/go.mod h1:t+hb0BfkmZ9fpvzVRpHC7limoowym6ln/j0XL9a8DDw=
 github.com/ProtonMail/go-smtp v0.0.0-20231109081432-2b3d50599865 h1:EP1gnxLL5Z7xBSymE9nSTM27nRYINuvssAtDmG0suD8=
 github.com/ProtonMail/go-smtp v0.0.0-20231109081432-2b3d50599865/go.mod h1:qm27SGYgoIPRot6ubfQ/GpiPy/g3PaZAVRxiO/sDUgQ=
 github.com/ProtonMail/go-srp v0.0.7 h1:Sos3Qk+th4tQR64vsxGIxYpN3rdnG9Wf9K4ZloC1JrI=
@@ -50,6 +53,7 @@ github.com/abiosoft/ishell v2.0.0+incompatible h1:zpwIuEHc37EzrsIYah3cpevrIc8Oma
 github.com/abiosoft/ishell v2.0.0+incompatible/go.mod h1:HQR9AqF2R3P4XXpMpI0NAzgHf/aS6+zVXRj14cVk9qg=
 github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db h1:CjPUSXOiYptLbTdr1RceuZgSFDQ7U15ITERUGrUORx8=
 github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db/go.mod h1:rB3B4rKii8V21ydCbIzH5hZiCQE7f5E9SzUb/ZZx530=
+github.com/akavel/rsrc v0.8.0/go.mod h1:uLoCtb9J+EyAqh+26kdrTgmzRBFPGOolLWKpdxkKq+c=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/allan-simon/go-singleinstance v0.0.0-20210120080615-d0997106ab37 h1:28uU3TtuvQ6KRndxg9TrC868jBWmSKgh0GTXkACCXmA=
@@ -113,8 +117,12 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
-github.com/elastic/go-sysinfo v1.8.1 h1:4Yhj+HdV6WjbCRgGdZpPJ8lZQlXZLKDAeIkmQ/VRvi4=
+github.com/docker/distribution v2.8.2+incompatible h1:T3de5rq0dB1j30rp0sA2rER+m322EBzniBPB6ZIzuh8=
-github.com/elastic/go-sysinfo v1.8.1/go.mod h1:JfllUnzoQV/JRYymbH3dO1yggI3mV2oTKSXsDHM+uIM=
+github.com/docker/docker v24.0.7+incompatible h1:Wo6l37AuwP3JaMnZa226lzVXGA3F9Ig1seQen0cKYlM=
+github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=
+github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
+github.com/elastic/go-sysinfo v1.11.2-0.20231129083954-35e55cd2a542 h1:IFTm6NBbfSgZCaeEzorQhH4T7ZERl4j+1u7oXWzmJcM=
+github.com/elastic/go-sysinfo v1.11.2-0.20231129083954-35e55cd2a542/go.mod h1:GKqR8bbMK/1ITnez9NIsIfXQr25aLhRJa7AfT8HpBFQ=
 github.com/elastic/go-windows v1.0.1 h1:AlYZOldA+UJ0/2nBuqWdo90GFCgG9xuyw9SYzGUtJm0=
 github.com/elastic/go-windows v1.0.1/go.mod h1:FoVvqWSun28vaDQPbj2Elfc0JahhPB7WQEGa3c814Ss=
 github.com/emersion/go-imap v1.2.1 h1:+s9ZjMEjOB8NzZMVTM3cCenz2JrQIGGo5j1df19WjTA=
@@ -136,6 +144,9 @@ github.com/felixge/fgprof v0.9.3/go.mod h1:RdbpDgzqYVh/T9fPELJyV7EYJuHB55UTEULNu
 github.com/flynn-archive/go-shlex v0.0.0-20150515145356-3f9db97f8568 h1:BMXYYRWTLOJKlh+lOBt6nUQgXAfB7oVIQt5cNreqSLI=
 github.com/flynn-archive/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:rZfgFAXFS/z/lEd6LJmf9HVZ1LkgYiHx5pHhV5DR16M=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/fyne-io/mobile v0.1.2-0.20201127155338-06aeb98410cc/go.mod h1:/kOrWrZB6sasLbEy2JIvr4arEzQTXBTZGb3Y96yWbHY=
+github.com/fyne-io/mobile v0.1.2/go.mod h1:/kOrWrZB6sasLbEy2JIvr4arEzQTXBTZGb3Y96yWbHY=
 github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
 github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
 github.com/getsentry/sentry-go v0.15.0 h1:CP9bmA7pralrVUedYZsmIHWpq/pBtXTSew7xvVpfLaA=
@@ -146,7 +157,9 @@ github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm
 github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
 github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
 github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxIA=
+github.com/go-gl/gl v0.0.0-20190320180904-bf2b1f2f34d7/go.mod h1:482civXOzJJCPzJ4ZOX/pwvXBWSnzD4OKMdH4ClKGbk=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200625191551-73d3c3675aa3/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
@@ -162,11 +175,14 @@ github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
 github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
 github.com/godbus/dbus v4.1.0+incompatible h1:WqqLRTsQic3apZUK9qC5sGNfXthmPXzUZ7nQPrNITa4=
 github.com/godbus/dbus v4.1.0+incompatible/go.mod h1:/YcGZj5zSblfDWMMoOzV4fas9FZnQYTkDnsGvmh2Grw=
+github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gofrs/uuid v4.3.0+incompatible h1:CaSVZxm5B+7o45rtab4jC2G37WGYX1zQfuU2i6DSvnc=
 github.com/gofrs/uuid v4.3.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
+github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
+github.com/goki/freetype v0.0.0-20181231101311-fa8a33aabaff/go.mod h1:wfqRWLHRBsRgkp5dmbG56SA0DmVtwrF5N3oPdI8t+Aw=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@@ -240,12 +256,16 @@ github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2p
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
 github.com/ianlancetaylor/demangle v0.0.0-20210905161508-09a460cdf81d/go.mod h1:aYm2/VgdVmcIU8iMfdMvDMsRAQjcfZSKFby6HOFvi/w=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/jackmordaunt/icns v0.0.0-20181231085925-4f16af745526/go.mod h1:UQkeMHVoNcyXYq9otUupF7/h/2tmHlhrS2zw7ZVvUqc=
 github.com/jaytaylor/html2text v0.0.0-20211105163654-bc68cce691ba h1:QFQpJdgbON7I0jr2hYW7Bs+XV0qjc3d5tZoDnRFnqTg=
 github.com/jaytaylor/html2text v0.0.0-20211105163654-bc68cce691ba/go.mod h1:CVKlgaMiht+LXvHG173ujK6JUhZXKb2u/BQtjPDIvyk=
+github.com/jeandeaual/go-locale v0.0.0-20220711133428-7de61946b173 h1:jOONCXyzHWM+ukp+weX77o//U3pMeOj62CNxChJLxIU=
+github.com/jeandeaual/go-locale v0.0.0-20220711133428-7de61946b173/go.mod h1:uO/uctjf8AcWhNfp5Ili6oPtyFrAoQXEtVY3N798VkQ=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/joeshaw/multierror v0.0.0-20140124173710-69b34d4ec901 h1:rp+c0RAYOWj8l6qbCUTSiRLG/iKnW3K3/QfPPuSsBt4=
 github.com/joeshaw/multierror v0.0.0-20140124173710-69b34d4ec901/go.mod h1:Z86h9688Y0wesXCyonoVr47MasHilkuLMqGhRZ4Hpak=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
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@@ -268,6 +288,7 @@ github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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@@ -303,9 +324,14 @@ github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3Rllmb
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@@ -364,6 +390,8 @@ github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnIn
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@@ -397,6 +425,7 @@ github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV
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@@ -432,6 +461,7 @@ golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1 h1:k/i9J1pBpvlfR+9QsetwPyERs
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 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
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@@ -443,6 +473,7 @@ golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU
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 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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@@ -461,6 +492,8 @@ golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -482,6 +515,7 @@ golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -501,8 +535,11 @@ golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -511,6 +548,7 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
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@@ -536,6 +574,7 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
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+golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.5-0.20201125200606-c27b9fd57aec/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
@@ -562,11 +601,13 @@ golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBn
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
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@@ -608,6 +649,7 @@ google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqw
 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=
@@ -619,6 +661,7 @@ 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.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 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=

internal/app/migration_test.go

@@ -42,7 +42,7 @@ 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)
+	require.NoError(t, corrupt)
 
 	// load the old prefs file.
 	configDir := filepath.Join("testdata", "with_keys")
@@ -63,7 +63,7 @@ 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)
+	require.NoError(t, corrupt)
 
 	// load the old prefs file.
 	configDir := filepath.Join("testdata", "without_keys")
@@ -173,7 +173,7 @@ func TestUserMigration(t *testing.T) {
 
 	v, corrupt, err := vault.New(settingsFolder, settingsFolder, token, async.NoopPanicHandler{})
 	require.NoError(t, err)
-	require.False(t, corrupt)
+	require.NoError(t, corrupt)
 
 	require.NoError(t, migrateOldAccounts(locations, kcl, v))
 	require.Equal(t, []string{wantCredentials.UserID}, v.GetUserIDs())

internal/app/vault.go

@@ -42,21 +42,25 @@ func WithVault(locations *locations.Locations, keychains *keychain.List, panicHa
 
 	logrus.WithFields(logrus.Fields{
 		"insecure": insecure,
-		"corrupt":  corrupt,
+		"corrupt":  corrupt != nil,
 	}).Debug("Vault created")
 
+	if corrupt != nil {
+		logrus.WithError(corrupt).Warn("Failed to load existing vault, vault has been reset")
+	}
+
 	cert, _ := encVault.GetBridgeTLSCert()
 	certs.NewInstaller().LogCertInstallStatus(cert)
 
 	// GODT-1950: Add teardown actions (e.g. to close the vault).
 
-	return fn(encVault, insecure, corrupt)
+	return fn(encVault, insecure, corrupt != nil)
 }
 
-func newVault(locations *locations.Locations, keychains *keychain.List, panicHandler async.PanicHandler) (*vault.Vault, bool, bool, error) {
+func newVault(locations *locations.Locations, keychains *keychain.List, panicHandler async.PanicHandler) (*vault.Vault, bool, error, error) {
 	vaultDir, err := locations.ProvideSettingsPath()
 	if err != nil {
-		return nil, false, false, fmt.Errorf("could not get vault dir: %w", err)
+		return nil, false, nil, fmt.Errorf("could not get vault dir: %w", err)
 	}
 
 	logrus.WithField("vaultDir", vaultDir).Debug("Loading vault from directory")
@@ -78,12 +82,12 @@ func newVault(locations *locations.Locations, keychains *keychain.List, panicHan
 
 	gluonCacheDir, err := locations.ProvideGluonCachePath()
 	if err != nil {
-		return nil, false, false, fmt.Errorf("could not provide gluon path: %w", err)
+		return nil, false, nil, 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 nil, false, corrupt, fmt.Errorf("could not create vault: %w", err)
 	}
 
 	return vault, insecure, corrupt, nil

internal/bridge/bridge.go

@@ -307,7 +307,7 @@ func newBridge(
 		bridge.heartbeat.init(bridge, heartbeatManager)
 	}
 
-	bridge.syncService.Run(bridge.tasks)
+	bridge.syncService.Run()
 
 	return bridge, nil
 }
@@ -451,6 +451,8 @@ func (bridge *Bridge) Close(ctx context.Context) {
 		logrus.WithError(err).Error("Failed to close servers")
 	}
 
+	bridge.syncService.Close()
+
 	// Stop all ongoing tasks.
 	bridge.tasks.CancelAndWait()
 

internal/bridge/config_status.go

@@ -37,10 +37,10 @@ func (bridge *Bridge) AutoconfigUsed(client string) {
 	}, bridge.usersLock)
 }
 
-func (bridge *Bridge) KBArticleOpened(article string) {
+func (bridge *Bridge) ExternalLinkClicked(article string) {
 	safe.RLock(func() {
 		for _, user := range bridge.users {
-			user.KBArticleOpened(article)
+			user.ExternalLinkClicked(article)
 		}
 	}, bridge.usersLock)
 }

internal/bridge/settings.go

@@ -22,6 +22,7 @@ import (
 	"fmt"
 
 	"github.com/Masterminds/semver/v3"
+	"github.com/ProtonMail/proton-bridge/v3/internal/kb"
 	"github.com/ProtonMail/proton-bridge/v3/internal/safe"
 	"github.com/ProtonMail/proton-bridge/v3/internal/services/userevents"
 	"github.com/ProtonMail/proton-bridge/v3/internal/updater"
@@ -310,6 +311,10 @@ func (bridge *Bridge) SetColorScheme(colorScheme string) error {
 	return bridge.vault.SetColorScheme(colorScheme)
 }
 
+func (bridge *Bridge) GetKnowledgeBaseSuggestions(userInput string) (kb.ArticleList, error) {
+	return kb.GetSuggestions(userInput)
+}
+
 // 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.

internal/bridge/sync_test.go

@@ -641,6 +641,55 @@ func TestBridge_CorruptedVaultClearsPreviousIMAPSyncState(t *testing.T) {
 	})
 }
 
+func TestBridge_AddressOrderChangeDuringSyncInCombinedModeDoesNotTriggerBadEventOnNewMessage(t *testing.T) {
+	withEnv(t, func(ctx context.Context, s *server.Server, netCtl *proton.NetCtl, locator bridge.Locator, storeKey []byte) {
+		// Create a user.
+		userID, addrID, err := s.CreateUser("user", password)
+		require.NoError(t, err)
+
+		withBridge(ctx, t, s.GetHostURL(), netCtl, locator, storeKey, func(bridge *bridge.Bridge, _ *bridge.Mocks) {
+			userInfoChanged, done := chToType[events.Event, events.UserChanged](bridge.GetEvents(events.UserChanged{}))
+			defer done()
+
+			withClient(ctx, t, s, "user", password, func(ctx context.Context, c *proton.Client) {
+				createNumMessages(ctx, t, c, addrID, proton.InboxLabel, 300)
+			})
+
+			_, err := bridge.LoginFull(ctx, "user", password, nil, nil)
+			require.NoError(t, err)
+
+			info, err := bridge.GetUserInfo(userID)
+			require.NoError(t, err)
+			require.Equal(t, 1, len(info.Addresses))
+			require.Equal(t, info.Addresses[0], "user@proton.local")
+
+			addrID2, err := s.CreateAddress(userID, "foo@"+s.GetDomain(), password)
+			require.NoError(t, err)
+
+			require.NoError(t, s.SetAddressOrder(userID, []string{addrID2, addrID}))
+
+			withClient(ctx, t, s, "user", password, func(ctx context.Context, c *proton.Client) {
+				createNumMessages(ctx, t, c, addrID2, proton.InboxLabel, 1)
+			})
+
+			// Since we can't intercept events at this time, we sleep for a bit to make sure the
+			// new message does not get combined into the event below. This ensures the newly created
+			// goes through the full code flow which triggered the original bad event.
+			time.Sleep(time.Second)
+			require.NoError(t, s.SetAddressOrder(userID, []string{addrID, addrID2}))
+
+			for i := 0; i < 2; i++ {
+				select {
+				case <-ctx.Done():
+					return
+				case e := <-userInfoChanged:
+					require.Equal(t, userID, e.UserID)
+				}
+			}
+		})
+	})
+}
+
 func withClient(ctx context.Context, t *testing.T, s *server.Server, username string, password []byte, fn func(context.Context, *proton.Client)) { //nolint:unparam
 	m := proton.New(
 		proton.WithHostURL(s.GetHostURL()),

internal/configstatus/config_status.go

@@ -135,7 +135,7 @@ func (status *ConfigurationStatus) ApplyProgress() error {
 	return status.Save()
 }
 
-func (status *ConfigurationStatus) RecordLinkClicked(link uint) error {
+func (status *ConfigurationStatus) RecordLinkClicked(link uint64) error {
 	status.DataLock.Lock()
 	defer status.DataLock.Unlock()
 
@@ -198,11 +198,11 @@ func (data *ConfigurationStatusData) init() {
 	data.DataV1.FailureDetails = ""
 }
 
-func (data *ConfigurationStatusData) setClickedLink(pos uint) {
+func (data *ConfigurationStatusData) setClickedLink(pos uint64) {
 	data.DataV1.ClickedLink |= 1 << pos
 }
 
-func (data *ConfigurationStatusData) hasLinkClicked(pos uint) bool {
+func (data *ConfigurationStatusData) hasLinkClicked(pos uint64) bool {
 	val := data.DataV1.ClickedLink & (1 << pos)
 	return val > 0
 }
@@ -211,7 +211,7 @@ func (data *ConfigurationStatusData) clickedLinkToString() string {
 	var str = ""
 	var first = true
 	for i := 0; i < 64; i++ {
-		if data.hasLinkClicked(uint(i)) {
+		if data.hasLinkClicked(uint64(i)) {
 			if !first {
 				str += ","
 			} else {

internal/focus/proto/focus.pb.go

@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
+// 	protoc-gen-go v1.31.0
 // 	protoc        v3.21.12
 // source: focus.proto
 

internal/focus/proto/focus_grpc.pb.go

@@ -1,6 +1,23 @@
+// 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/>.
+
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.2.0
+// - protoc-gen-go-grpc v1.3.0
 // - protoc             v3.21.12
 // source: focus.proto
 
@@ -20,6 +37,11 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
+const (
+	Focus_Raise_FullMethodName   = "/focus.Focus/Raise"
+	Focus_Version_FullMethodName = "/focus.Focus/Version"
+)
+
 // FocusClient is the client API for Focus service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
@@ -38,7 +60,7 @@ func NewFocusClient(cc grpc.ClientConnInterface) FocusClient {
 
 func (c *focusClient) Raise(ctx context.Context, in *wrapperspb.StringValue, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/focus.Focus/Raise", in, out, opts...)
+	err := c.cc.Invoke(ctx, Focus_Raise_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -47,7 +69,7 @@ func (c *focusClient) Raise(ctx context.Context, in *wrapperspb.StringValue, opt
 
 func (c *focusClient) Version(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*VersionResponse, error) {
 	out := new(VersionResponse)
-	err := c.cc.Invoke(ctx, "/focus.Focus/Version", in, out, opts...)
+	err := c.cc.Invoke(ctx, Focus_Version_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -96,7 +118,7 @@ func _Focus_Raise_Handler(srv interface{}, ctx context.Context, dec func(interfa
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/focus.Focus/Raise",
+		FullMethod: Focus_Raise_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(FocusServer).Raise(ctx, req.(*wrapperspb.StringValue))
@@ -114,7 +136,7 @@ func _Focus_Version_Handler(srv interface{}, ctx context.Context, dec func(inter
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/focus.Focus/Version",
+		FullMethod: Focus_Version_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(FocusServer).Version(ctx, req.(*emptypb.Empty))

internal/frontend/bridge-gui/bridge-gui-tester/AppController.cpp

@@ -18,7 +18,6 @@
 
 #include "AppController.h"
 #include "GRPCService.h"
-#include <bridgepp/GRPC/GRPCUtils.h>
 #include <bridgepp/Exception/Exception.h>
 #include "MainWindow.h"
 #include <bridgepp/Log/Log.h>
@@ -68,7 +67,7 @@ void AppController::setMainWindow(MainWindow *mainWindow) {
 //****************************************************************************************************************************************************
 /// \return The main window.
 //****************************************************************************************************************************************************
-MainWindow &AppController::mainWindow() {
+MainWindow &AppController::mainWindow() const {
     if (!mainWindow_) {
         throw Exception("mainWindow has not yet been registered.");
     }
@@ -79,7 +78,7 @@ MainWindow &AppController::mainWindow() {
 //****************************************************************************************************************************************************
 /// \return A reference to the log.
 //****************************************************************************************************************************************************
-bridgepp::Log &AppController::log() {
+bridgepp::Log &AppController::log() const {
     return *log_;
 }
 
@@ -87,7 +86,7 @@ bridgepp::Log &AppController::log() {
 //****************************************************************************************************************************************************
 /// \return A reference to the bridge-gui log.
 //****************************************************************************************************************************************************
-bridgepp::Log &AppController::bridgeGUILog() {
+bridgepp::Log &AppController::bridgeGUILog() const {
     return *bridgeGUILog_;
 }
 
@@ -95,6 +94,6 @@ bridgepp::Log &AppController::bridgeGUILog() {
 //****************************************************************************************************************************************************
 /// \return A reference to the gRPC service.
 //****************************************************************************************************************************************************
-GRPCService &AppController::grpc() {
+GRPCService &AppController::grpc() const {
     return *grpc_;
 }

internal/frontend/bridge-gui/bridge-gui-tester/AppController.h

@@ -42,10 +42,10 @@ public: // member functions.
     AppController &operator=(AppController const &) = delete; ///< Disabled assignment operator.
     AppController &operator=(AppController &&) = delete; ///< Disabled move assignment operator.
     void setMainWindow(MainWindow *mainWindow); ///< Set the main window.
-    MainWindow &mainWindow(); ///< Return the main window.
+    MainWindow &mainWindow() const; ///< Return the main window.
-    bridgepp::Log &log(); ///< Return a reference to the log.
+    bridgepp::Log &log() const; ///< Return a reference to the log.
-    bridgepp::Log &bridgeGUILog(); ///< Return a reference to the bridge-gui log.
+    bridgepp::Log &bridgeGUILog() const; ///< Return a reference to the bridge-gui log.
-    GRPCService &grpc(); ///< Return a reference to the gRPC service.
+    GRPCService &grpc() const; ///< Return a reference to the gRPC service.
 
 private: // member functions.
     AppController(); ///< Default constructor.

internal/frontend/bridge-gui/bridge-gui-tester/CMakeLists.txt

@@ -66,11 +66,13 @@ add_executable(bridge-gui-tester
     GRPCQtProxy.cpp GRPCQtProxy.h
     GRPCService.cpp GRPCService.h
     GRPCServerWorker.cpp GRPCServerWorker.h
+    Tabs/EventsTab.cpp Tabs/EventsTab.h
+    Tabs/KnowledgeBaseTab.cpp Tabs/KnowledgeBaseTab.h
     Tabs/SettingsTab.cpp Tabs/SettingsTab.h
     Tabs/UsersTab.cpp Tabs/UsersTab.h
     UserDialog.cpp UserDialog.h
     UserTable.cpp UserTable.h
-    )
+)
 
 target_precompile_headers(bridge-gui-tester PRIVATE Pch.h)
 target_include_directories(bridge-gui-tester PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})

internal/frontend/bridge-gui/bridge-gui-tester/GRPCMetaDataProcessor.cpp

@@ -26,7 +26,7 @@ using namespace grpc;
 
 
 //****************************************************************************************************************************************************
-/// \param[in] The server token expected from gRPC calls
+/// \param[in] serverToken The server token expected from gRPC calls
 //****************************************************************************************************************************************************
 GRPCMetadataProcessor::GRPCMetadataProcessor(QString const &serverToken)
     : serverToken_(serverToken.toStdString()) {
@@ -43,16 +43,16 @@ bool GRPCMetadataProcessor::IsBlocking() const {
 
 
 //****************************************************************************************************************************************************
-/// \param[in] inputMeta
+/// \param authMetadata The authentication metadata.
 /// \return the result of the metadata processing.
 //****************************************************************************************************************************************************
-Status GRPCMetadataProcessor::Process(AuthMetadataProcessor::InputMetadata const &auth_metadata, AuthContext *,
+Status GRPCMetadataProcessor::Process(InputMetadata const &authMetadata, AuthContext *,
-    AuthMetadataProcessor::OutputMetadata *, AuthMetadataProcessor::OutputMetadata *) {
+    OutputMetadata *, OutputMetadata *) {
     try {
-        AuthMetadataProcessor::InputMetadata::const_iterator pathIt = auth_metadata.find(":path");
+        const InputMetadata::const_iterator pathIt = authMetadata.find(":path");
-        QString const callName = (pathIt == auth_metadata.end()) ? ("unkown gRPC call") : QString::fromLocal8Bit(pathIt->second);
+        QString const callName = (pathIt == authMetadata.end()) ? ("unkown gRPC call") : QString::fromLocal8Bit(pathIt->second);
 
-        AuthMetadataProcessor::InputMetadata::size_type const count = auth_metadata.count(grpcMetadataServerTokenKey);
+        AuthMetadataProcessor::InputMetadata::size_type const count = authMetadata.count(grpcMetadataServerTokenKey);
         if (count == 0) {
             throw Exception(QString("Missing server token in gRPC client call '%1'.").arg(callName));
         }
@@ -61,7 +61,7 @@ Status GRPCMetadataProcessor::Process(AuthMetadataProcessor::InputMetadata const
             throw Exception(QString("Several server tokens were provided in gRPC client call '%1'.").arg(callName));
         }
 
-        if (auth_metadata.find(grpcMetadataServerTokenKey)->second != serverToken_) {
+        if (authMetadata.find(grpcMetadataServerTokenKey)->second != serverToken_) {
             throw Exception(QString("Invalid server token provided by gRPC client call '%1'.").arg(callName));
         }
 
@@ -70,7 +70,7 @@ Status GRPCMetadataProcessor::Process(AuthMetadataProcessor::InputMetadata const
     }
     catch (Exception const &e) {
         app().log().error(e.qwhat());
-        return Status(StatusCode::UNAUTHENTICATED, e.qwhat().toStdString());
+        return Status(UNAUTHENTICATED, e.qwhat().toStdString());
     }
 }
 

internal/frontend/bridge-gui/bridge-gui-tester/GRPCMetaDataProcessor.h

@@ -35,7 +35,7 @@ public: // member functions.
     GRPCMetadataProcessor &operator=(GRPCMetadataProcessor const &) = delete; ///< Disabled assignment operator.
     GRPCMetadataProcessor &operator=(GRPCMetadataProcessor &&) = delete; ///< Disabled move assignment operator.
     bool IsBlocking() const override; ///< Is the processor blocking?
-    grpc::Status Process(InputMetadata const &auth_metadata, grpc::AuthContext *context, OutputMetadata *consumed_auth_metadata,
+    grpc::Status Process(InputMetadata const &authMetadata, grpc::AuthContext *context, OutputMetadata *consumed_auth_metadata,
         OutputMetadata *response_metadata) override; ///< Process the metadata
 
 private:

internal/frontend/bridge-gui/bridge-gui-tester/GRPCQtProxy.cpp

@@ -31,10 +31,11 @@ GRPCQtProxy::GRPCQtProxy()
 //****************************************************************************************************************************************************
 //
 //****************************************************************************************************************************************************
-void GRPCQtProxy::connectSignals() {
+void GRPCQtProxy::connectSignals() const {
     MainWindow &mainWindow = app().mainWindow();
-    SettingsTab &settingsTab = mainWindow.settingsTab();
+    SettingsTab const &settingsTab = mainWindow.settingsTab();
-    UsersTab &usersTab = mainWindow.usersTab();
+    UsersTab const &usersTab = mainWindow.usersTab();
+    KnowledgeBaseTab const &kbTab = mainWindow.knowledgeBaseTab();
     connect(this, &GRPCQtProxy::delayedEventRequested, &mainWindow, &MainWindow::sendDelayedEvent);
     connect(this, &GRPCQtProxy::setIsAutostartOnReceived, &settingsTab, &SettingsTab::setIsAutostartOn);
     connect(this, &GRPCQtProxy::setIsBetaEnabledReceived, &settingsTab, &SettingsTab::setIsBetaEnabled);
@@ -56,6 +57,7 @@ void GRPCQtProxy::connectSignals() {
     connect(this, &GRPCQtProxy::setUserSplitModeReceived, &usersTab, &UsersTab::setUserSplitMode);
     connect(this, &GRPCQtProxy::configureUserAppleMailReceived, &usersTab, &UsersTab::configureUserAppleMail);
     connect(this, &GRPCQtProxy::sendBadEventUserFeedbackReceived, &usersTab, &UsersTab::processBadEventUserFeedback);
+    connect(this, &GRPCQtProxy::requestKnowledgeBaseSuggestionsReceived, &kbTab, &KnowledgeBaseTab::requestKnowledgeBaseSuggestions);
 }
 
 
@@ -119,6 +121,13 @@ void GRPCQtProxy::reportBug(QString const &osType, QString const &osVersion, QSt
     emit reportBugReceived(osType, osVersion, emailClient, address, description, includeLogs);
 }
 
+//****************************************************************************************************************************************************
+/// \param[in] userInput The user input.
+//****************************************************************************************************************************************************
+void GRPCQtProxy::requestKnowledgeBaseSuggestions(QString const& userInput) {
+    emit requestKnowledgeBaseSuggestionsReceived(userInput);
+}
+
 
 //****************************************************************************************************************************************************
 //
@@ -157,8 +166,8 @@ void GRPCQtProxy::setClientPlatform(QString const &clientPlatform) {
 /// \param[in] useSSLForIMAP The IMAP connexion mode.
 /// \param[in] useSSLForSMTP The IMAP connexion mode.
 //****************************************************************************************************************************************************
-void GRPCQtProxy::setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool userSSLForSMTP) {
+void GRPCQtProxy::setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP) {
-    emit setMailServerSettingsReceived(imapPort, smtpPort, useSSLForIMAP, userSSLForSMTP);
+    emit setMailServerSettingsReceived(imapPort, smtpPort, useSSLForIMAP, useSSLForSMTP);
 }
 
 

internal/frontend/bridge-gui/bridge-gui-tester/GRPCQtProxy.h

@@ -36,7 +36,7 @@ public: // member functions.
     GRPCQtProxy &operator=(GRPCQtProxy const &) = delete; ///< Disabled assignment operator.
     GRPCQtProxy &operator=(GRPCQtProxy &&) = delete; ///< Disabled move assignment operator.
 
-    void connectSignals(); // connect the signals to the main window.
+    void connectSignals() const; // connect the signals to the main window.
     void sendDelayedEvent(bridgepp::SPStreamEvent const &event); ///< Sends a delayed stream event.
     void setIsAutostartOn(bool on); ///< Forwards a SetIsAutostartOn call via a Qt signal.
     void setIsBetaEnabled(bool enabled); ///< Forwards a SetIsBetaEnabled call via a Qt signal.
@@ -45,11 +45,12 @@ public: // member functions.
     void setColorSchemeName(QString const &name); ///< Forward a SetColorSchemeName call via a Qt Signal
     void reportBug(QString const &osType, QString const &osVersion, QString const &emailClient, QString const &address,
         QString const &description, bool includeLogs); ///< Forwards a ReportBug call via a Qt signal.
+    void requestKnowledgeBaseSuggestions(QString const &userInput); ///< Forwards a RequestKnowledgeBaseSuggestions call via a Qt signal.
     void installTLSCertificate(); ///< Forwards a InstallTLScertificate call via a Qt signal.
     void exportTLSCertificates(QString const &folderPath); //< Forward an 'ExportTLSCertificates' call via a Qt signal.
     void setIsStreaming(bool isStreaming); ///< Forward a isStreaming internal messages via a Qt signal.
     void setClientPlatform(QString const &clientPlatform); ///< Forward a setClientPlatform call via a Qt signal.
-    void setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool userSSLForSMTP); ///< Forwards a setMailServerSettings' call via a Qt signal.
+    void setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP); ///< Forwards a setMailServerSettings' call via a Qt signal.
     void setIsDoHEnabled(bool enabled); ///< Forwards a setIsDoHEnabled call via a Qt signal.
     void setDiskCachePath(QString const &path); ///< Forwards a setDiskCachePath call via a Qt signal.
     void setIsAutomaticUpdateOn(bool on); ///< Forwards a SetIsAutomaticUpdateOn call via a Qt signal.
@@ -68,6 +69,7 @@ signals:
     void setColorSchemeNameReceived(QString const &name); ///< Forward a SetColorScheme call via a Qt Signal
     void reportBugReceived(QString const &osType, QString const &osVersion, QString const &emailClient, QString const &address,
         QString const &description, bool includeLogs); ///< Signal for the ReportBug gRPC call
+    void requestKnowledgeBaseSuggestionsReceived(QString const &userInput); ///< Signal for the RequestKnowledgeBaseSuggestions gRPC call.
     void installTLSCertificateReceived(); ///< Signal for the InstallTLSCertificate gRPC call.
     void exportTLSCertificatesReceived(QString const &folderPath); ///< Signal for the ExportTLSCertificates gRPC call.
     void setIsStreamingReceived(bool isStreaming); ///< Signal for the IsStreaming internal message.

internal/frontend/bridge-gui/bridge-gui-tester/GRPCServerWorker.cpp

@@ -50,7 +50,7 @@ void GRPCServerWorker::run() {
         SslServerCredentialsOptions ssl_opts;
         ssl_opts.pem_root_certs = "";
         ssl_opts.pem_key_cert_pairs.push_back(pair);
-        std::shared_ptr<ServerCredentials> credentials = grpc::SslServerCredentials(ssl_opts);
+        std::shared_ptr<ServerCredentials> const credentials = SslServerCredentials(ssl_opts);
 
         GRPCConfig config;
         config.cert = testTLSCert;
@@ -59,8 +59,7 @@ void GRPCServerWorker::run() {
         credentials->SetAuthMetadataProcessor(processor_); // gRPC interceptors are still experimental in C++, so we use AuthMetadataProcessor
         ServerBuilder builder;
         int port = 0; // Port will not be known until ServerBuilder::BuildAndStart() is called
-        bool const useFileSocket = useFileSocketForGRPC();
+        if (useFileSocketForGRPC()) {
-        if (useFileSocket) {
             QString const fileSocketPath = getAvailableFileSocketPath();
             if (fileSocketPath.isEmpty()) {
                 throw Exception("Could not get an available file socket.");
@@ -102,7 +101,7 @@ void GRPCServerWorker::run() {
 //****************************************************************************************************************************************************
 //
 //****************************************************************************************************************************************************
-void GRPCServerWorker::stop() {
+void GRPCServerWorker::stop() const {
     if (server_) {
         server_->Shutdown();
     }

internal/frontend/bridge-gui/bridge-gui-tester/GRPCServerWorker.h

@@ -40,7 +40,7 @@ public: // member functions.
     GRPCServerWorker &operator=(GRPCServerWorker &&) = delete; ///< Disabled move assignment operator.
 
     void run() override; ///< Run the worker.
-    void stop();  ///< Stop the gRPC service.
+    void stop() const;  ///< Stop the gRPC service.
 
 private: // data members
     std::unique_ptr<grpc::Server> server_ { nullptr }; ///< The gRPC server.

internal/frontend/bridge-gui/bridge-gui-tester/GRPCService.cpp

@@ -39,7 +39,7 @@ QString const defaultKeychain = "defaultKeychain"; ///< The default keychain.
 //****************************************************************************************************************************************************
 //
 //****************************************************************************************************************************************************
-void GRPCService::connectProxySignals() {
+void GRPCService::connectProxySignals() const {
     qtProxy_.connectSignals();
 }
 
@@ -185,7 +185,7 @@ Status GRPCService::SetIsAllMailVisible(ServerContext *, BoolValue const *reques
 /// \param[out] response The response.
 /// \return The status for the call.
 //****************************************************************************************************************************************************
-Status GRPCService::IsAllMailVisible(ServerContext *, Empty const *request, BoolValue *response) {
+Status GRPCService::IsAllMailVisible(ServerContext *, Empty const *, BoolValue *response) {
     app().log().debug(__FUNCTION__);
     response->set_value(app().mainWindow().settingsTab().isAllMailVisible());
     return Status::OK;
@@ -354,17 +354,49 @@ Status GRPCService::SetMainExecutable(ServerContext *, StringValue const *reques
     return Status::OK;
 }
 
+//****************************************************************************************************************************************************
+/// \param[in] request The request.
+/// \return The status for the call.
+//****************************************************************************************************************************************************
+grpc::Status GRPCService::RequestKnowledgeBaseSuggestions(ServerContext*, StringValue const* request, Empty*) {
+    QString const userInput = QString::fromUtf8(request->value());
+    app().log().info(QString("RequestKnowledgeBaseSuggestions: %1").arg(userInput.left(10) + "..."));
+    qtProxy_.requestKnowledgeBaseSuggestionsReceived(userInput);
+
+    QList<bridgepp::KnowledgeBaseSuggestion> suggestions;
+    for (qsizetype i = 1; i <= 3; ++i) {
+        suggestions.push_back(        {
+            .title = QString("Suggested link %1").arg(i),
+            .url = QString("https://proton.me/support/bridge#%1").arg(i),
+        });
+    }
+    qtProxy_.sendDelayedEvent(newKnowledgeBaseSuggestionsEvent(app().mainWindow().knowledgeBaseTab().getSuggestions()));
+    return Status::OK;
+}
+
 
 //****************************************************************************************************************************************************
 /// \param[in] request The request
 //****************************************************************************************************************************************************
 Status GRPCService::ReportBug(ServerContext *, ReportBugRequest const *request, Empty *) {
     app().log().debug(__FUNCTION__);
-    SettingsTab &tab = app().mainWindow().settingsTab();
+    EventsTab const&eventsTab = app().mainWindow().eventsTab();
     qtProxy_.reportBug(QString::fromStdString(request->ostype()), QString::fromStdString(request->osversion()),
         QString::fromStdString(request->emailclient()), QString::fromStdString(request->address()), QString::fromStdString(request->description()),
         request->includelogs());
-    qtProxy_.sendDelayedEvent(tab.nextBugReportWillSucceed() ? newReportBugSuccessEvent() : newReportBugErrorEvent());
+    SPStreamEvent event;
+    switch (eventsTab.nextBugReportResult()) {
+    case EventsTab::BugReportResult::Success:
+        event = newReportBugSuccessEvent();
+        break;
+    case EventsTab::BugReportResult::Error:
+        event = newReportBugErrorEvent();
+        break;
+    case EventsTab::BugReportResult::DataSharingError:
+        event = newReportBugFallbackEvent();
+        break;
+    }
+    qtProxy_.sendDelayedEvent(event);
     qtProxy_.sendDelayedEvent(newReportBugFinishedEvent());
 
     return Status::OK;
@@ -380,7 +412,7 @@ Status GRPCService::Login(ServerContext *, LoginRequest const *request, Empty *)
     UsersTab &usersTab = app().mainWindow().usersTab();
     loginUsername_ = QString::fromStdString(request->username());
 
-    SPUser const& user = usersTab.userTable().userWithUsernameOrEmail(QString::fromStdString(request->username()));
+    SPUser const &user = usersTab.userTable().userWithUsernameOrEmail(QString::fromStdString(request->username()));
     if (user) {
         qtProxy_.sendDelayedEvent(newLoginAlreadyLoggedInEvent(user->id()));
         return Status::OK;
@@ -415,7 +447,7 @@ Status GRPCService::Login(ServerContext *, LoginRequest const *request, Empty *)
 //****************************************************************************************************************************************************
 Status GRPCService::Login2FA(ServerContext *, LoginRequest const *request, Empty *) {
     app().log().debug(__FUNCTION__);
-    UsersTab &usersTab = app().mainWindow().usersTab();
+    UsersTab const &usersTab = app().mainWindow().usersTab();
     if (usersTab.nextUserTFAError()) {
         qtProxy_.sendDelayedEvent(newLoginError(LoginErrorType::TFA_ERROR, "2FA Error."));
         return Status::OK;
@@ -440,7 +472,7 @@ Status GRPCService::Login2FA(ServerContext *, LoginRequest const *request, Empty
 //****************************************************************************************************************************************************
 Status GRPCService::Login2Passwords(ServerContext *, LoginRequest const *request, Empty *) {
     app().log().debug(__FUNCTION__);
-    UsersTab &usersTab = app().mainWindow().usersTab();
+    UsersTab const &usersTab = app().mainWindow().usersTab();
 
     if (usersTab.nextUserTwoPasswordsError()) {
         qtProxy_.sendDelayedEvent(newLoginError(LoginErrorType::TWO_PASSWORDS_ERROR, "Two Passwords error."));
@@ -530,12 +562,12 @@ Status GRPCService::DiskCachePath(ServerContext *, Empty const *, StringValue *r
 Status GRPCService::SetDiskCachePath(ServerContext *, StringValue const *path, Empty *) {
     app().log().debug(__FUNCTION__);
 
-    SettingsTab &tab = app().mainWindow().settingsTab();
+    EventsTab const &eventsTab = app().mainWindow().eventsTab();
     QString const qPath = QString::fromStdString(path->value());
 
     // we mimic the behaviour of Bridge
-    if (!tab.nextCacheChangeWillSucceed()) {
+    if (!eventsTab.nextCacheChangeWillSucceed()) {
-        qtProxy_.sendDelayedEvent(newDiskCacheErrorEvent(grpc::DiskCacheErrorType(tab.cacheError())));
+        qtProxy_.sendDelayedEvent(newDiskCacheErrorEvent(static_cast<DiskCacheErrorType>(CANT_MOVE_DISK_CACHE_ERROR)));
     } else {
         qtProxy_.setDiskCachePath(qPath);
         qtProxy_.sendDelayedEvent(newDiskCachePathChangedEvent(qPath));
@@ -572,7 +604,7 @@ Status GRPCService::IsDoHEnabled(ServerContext *, Empty const *, BoolValue *resp
 /// \param[in] settings The IMAP/SMTP settings.
 /// \return The status for the call.
 //****************************************************************************************************************************************************
-Status GRPCService::SetMailServerSettings(::grpc::ServerContext *context, ImapSmtpSettings const *settings, Empty *) {
+Status GRPCService::SetMailServerSettings(ServerContext *, ImapSmtpSettings const *settings, Empty *) {
     app().log().debug(__FUNCTION__);
     qtProxy_.setMailServerSettings(settings->imapport(), settings->smtpport(), settings->usesslforimap(), settings->usesslforsmtp());
     qtProxy_.sendDelayedEvent(newMailServerSettingsChanged(*settings));
@@ -585,9 +617,9 @@ Status GRPCService::SetMailServerSettings(::grpc::ServerContext *context, ImapSm
 /// \param[out] outSettings The settings
 /// \return The status for the call.
 //****************************************************************************************************************************************************
-Status GRPCService::MailServerSettings(::grpc::ServerContext *, Empty const *, ImapSmtpSettings *outSettings) {
+Status GRPCService::MailServerSettings(ServerContext *, Empty const *, ImapSmtpSettings *outSettings) {
     app().log().debug(__FUNCTION__);
-    SettingsTab &tab = app().mainWindow().settingsTab();
+    SettingsTab const &tab = app().mainWindow().settingsTab();
     outSettings->set_imapport(tab.imapPort());
     outSettings->set_smtpport(tab.smtpPort());
     outSettings->set_usesslforimap(tab.useSSLForIMAP());
@@ -614,7 +646,7 @@ Status GRPCService::Hostname(ServerContext *, Empty const *, StringValue *respon
 //****************************************************************************************************************************************************
 Status GRPCService::IsPortFree(ServerContext *, Int32Value const *request, BoolValue *response) {
     app().log().debug(__FUNCTION__);
-    response->set_value(app().mainWindow().settingsTab().isPortFree());
+    response->set_value(app().mainWindow().eventsTab().isPortFree());
     return Status::OK;
 }
 
@@ -685,8 +717,8 @@ Status GRPCService::GetUserList(ServerContext *, Empty const *, UserListResponse
 //****************************************************************************************************************************************************
 Status GRPCService::GetUser(ServerContext *, StringValue const *request, grpc::User *response) {
     app().log().debug(__FUNCTION__);
-    QString userID = QString::fromStdString(request->value());
+    QString const userID = QString::fromStdString(request->value());
-    SPUser user = app().mainWindow().usersTab().userWithID(userID);
+    SPUser const user = app().mainWindow().usersTab().userWithID(userID);
     if (!user) {
         return Status(NOT_FOUND, QString("user not found %1").arg(userID).toStdString());
     }
@@ -754,14 +786,14 @@ Status GRPCService::ConfigureUserAppleMail(ServerContext *, ConfigureAppleMailRe
 /// \param[in] request The request
 /// \return The status for the call.
 //****************************************************************************************************************************************************
-Status GRPCService::ExportTLSCertificates(ServerContext *, StringValue const *request, Empty *response) {
+Status GRPCService::ExportTLSCertificates(ServerContext *, StringValue const *request, Empty *) {
     app().log().debug(__FUNCTION__);
-    SettingsTab &tab = app().mainWindow().settingsTab();
+    SettingsTab const &tab = app().mainWindow().settingsTab();
     if (!tab.nextTLSCertExportWillSucceed()) {
-        qtProxy_.sendDelayedEvent(newGenericErrorEvent(grpc::TLS_CERT_EXPORT_ERROR));
+        qtProxy_.sendDelayedEvent(newGenericErrorEvent(TLS_CERT_EXPORT_ERROR));
     }
     if (!tab.nextTLSKeyExportWillSucceed()) {
-        qtProxy_.sendDelayedEvent(newGenericErrorEvent(grpc::TLS_KEY_EXPORT_ERROR));
+        qtProxy_.sendDelayedEvent(newGenericErrorEvent(TLS_KEY_EXPORT_ERROR));
     }
     qtProxy_.exportTLSCertificates(QString::fromStdString(request->value()));
     return Status::OK;
@@ -786,7 +818,7 @@ Status GRPCService::InstallTLSCertificate(ServerContext *, Empty const *, Empty
     app().log().debug(__FUNCTION__);
     SPStreamEvent event;
     qtProxy_.installTLSCertificate();
-    switch (app().mainWindow().settingsTab().nextTLSCertIntallResult()) {
+    switch (app().mainWindow().settingsTab().nextTLSCertInstallResult()) {
     case SettingsTab::TLSCertInstallResult::Success:
         event = newCertificateInstallSuccessEvent();
         break;
@@ -805,7 +837,7 @@ Status GRPCService::InstallTLSCertificate(ServerContext *, Empty const *, Empty
 //****************************************************************************************************************************************************
 /// \param[in] request The request.
 //****************************************************************************************************************************************************
-Status GRPCService::KBArticleClicked(::grpc::ServerContext *, ::google::protobuf::StringValue const *request, ::google::protobuf::Empty *) {
+Status GRPCService::ExternalLinkClicked(::grpc::ServerContext *, ::google::protobuf::StringValue const *request, ::google::protobuf::Empty *) {
     app().log().debug(QString("%1 - URL = %2").arg(__FUNCTION__, QString::fromStdString(request->value())));
     return Status::OK;
 }

internal/frontend/bridge-gui/bridge-gui-tester/GRPCService.h

@@ -37,7 +37,7 @@ public: // member functions.
     ~GRPCService() override = default; ///< Destructor.
     GRPCService &operator=(GRPCService const &) = delete; ///< Disabled assignment operator.
     GRPCService &operator=(GRPCService &&) = delete; ///< Disabled move assignment operator.
-    void connectProxySignals(); ///< Connect the signals of the Qt Proxy to the GUI components
+    void connectProxySignals() const; ///< Connect the signals of the Qt Proxy to the GUI components
     bool isStreaming() const; ///< Check if the service is currently streaming events.
     grpc::Status CheckTokens(::grpc::ServerContext *context, ::google::protobuf::StringValue const *request, ::google::protobuf::StringValue *response) override;
     grpc::Status AddLogEntry(::grpc::ServerContext *, ::grpc::AddLogEntryRequest const *request, ::google::protobuf::Empty *) override;
@@ -67,6 +67,7 @@ public: // member functions.
     grpc::Status ReportBug(::grpc::ServerContext *, ::grpc::ReportBugRequest const *request, ::google::protobuf::Empty *) override;
     grpc::Status ForceLauncher(::grpc::ServerContext *, ::google::protobuf::StringValue const *request, ::google::protobuf::Empty *) override;
     grpc::Status SetMainExecutable(::grpc::ServerContext *, ::google::protobuf::StringValue const *request, ::google::protobuf::Empty *) override;
+    grpc::Status RequestKnowledgeBaseSuggestions(::grpc::ServerContext *, ::google::protobuf::StringValue const *request, ::google::protobuf::Empty *) override;
     grpc::Status Login(::grpc::ServerContext *, ::grpc::LoginRequest const *request, ::google::protobuf::Empty *) override;
     grpc::Status Login2FA(::grpc::ServerContext *, ::grpc::LoginRequest const *request, ::google::protobuf::Empty *) override;
     grpc::Status Login2Passwords(::grpc::ServerContext *, ::grpc::LoginRequest const *request, ::google::protobuf::Empty *) override;
@@ -98,7 +99,7 @@ public: // member functions.
     grpc::Status ExportTLSCertificates(::grpc::ServerContext *, ::google::protobuf::StringValue const *request, ::google::protobuf::Empty *) override;
     grpc::Status ReportBugClicked(::grpc::ServerContext *context, ::google::protobuf::Empty const *request, ::google::protobuf::Empty *) override;
     grpc::Status AutoconfigClicked(::grpc::ServerContext *context, ::google::protobuf::StringValue const *request, ::google::protobuf::Empty *) override;
-    grpc::Status KBArticleClicked(::grpc::ServerContext *, ::google::protobuf::StringValue const *request, ::google::protobuf::Empty *) override;
+    grpc::Status ExternalLinkClicked(::grpc::ServerContext *, ::google::protobuf::StringValue const *request, ::google::protobuf::Empty *) override;
     grpc::Status RunEventStream(::grpc::ServerContext *ctx, ::grpc::EventStreamRequest const *request, ::grpc::ServerWriter<::grpc::StreamEvent> *writer) override;
     grpc::Status StopEventStream(::grpc::ServerContext *, ::google::protobuf::Empty const *, ::google::protobuf::Empty *) override;
     bool sendEvent(bridgepp::SPStreamEvent const &event); ///< Queue an event for sending through the event stream.

internal/frontend/bridge-gui/bridge-gui-tester/MainWindow.cpp

@@ -63,7 +63,7 @@ MainWindow::MainWindow(QWidget *parent)
 //****************************************************************************************************************************************************
 /// \return A reference to the 'General' tab.
 //****************************************************************************************************************************************************
-SettingsTab &MainWindow::settingsTab() {
+SettingsTab &MainWindow::settingsTab() const {
     return *ui_.settingsTab;
 }
 
@@ -71,16 +71,32 @@ SettingsTab &MainWindow::settingsTab() {
 //****************************************************************************************************************************************************
 /// \return A reference to the users tab.
 //****************************************************************************************************************************************************
-UsersTab &MainWindow::usersTab() {
+UsersTab &MainWindow::usersTab() const {
     return *ui_.usersTab;
 }
 
 
+//****************************************************************************************************************************************************
+/// \return A reference to the events tab.
+//****************************************************************************************************************************************************
+EventsTab& MainWindow::eventsTab() const {
+    return *ui_.eventsTab;
+}
+
+
+//****************************************************************************************************************************************************
+/// \return A reference to the knowledge base tab.
+//****************************************************************************************************************************************************
+KnowledgeBaseTab& MainWindow::knowledgeBaseTab() const {
+    return *ui_.knowledgeBaseTab;
+}
+
+
 //****************************************************************************************************************************************************
 /// \param[in] level The log level.
 /// \param[in] message The log message
 //****************************************************************************************************************************************************
-void MainWindow::addLogEntry(bridgepp::Log::Level level, const QString &message) {
+void MainWindow::addLogEntry(bridgepp::Log::Level level, const QString &message) const {
     addEntryToLogEdit(level, message, *ui_.editLog);
 }
 
@@ -89,7 +105,7 @@ void MainWindow::addLogEntry(bridgepp::Log::Level level, const QString &message)
 /// \param[in] level The log level.
 /// \param[in] message The log message
 //****************************************************************************************************************************************************
-void MainWindow::addBridgeGUILogEntry(bridgepp::Log::Level level, const QString &message) {
+void MainWindow::addBridgeGUILogEntry(bridgepp::Log::Level level, const QString &message) const {
     addEntryToLogEdit(level, message, *ui_.editBridgeGUILog);
 }
 
@@ -97,8 +113,8 @@ void MainWindow::addBridgeGUILogEntry(bridgepp::Log::Level level, const QString
 //****************************************************************************************************************************************************
 /// \param[in] event The event.
 //****************************************************************************************************************************************************
-void MainWindow::sendDelayedEvent(SPStreamEvent const &event) {
+void MainWindow::sendDelayedEvent(SPStreamEvent const &event) const {
-    QTimer::singleShot(this->settingsTab().eventDelayMs(), [event] { app().grpc().sendEvent(event); });
+    QTimer::singleShot(this->eventsTab().eventDelayMs(), [event] { app().grpc().sendEvent(event); });
 }
 
 

internal/frontend/bridge-gui/bridge-gui-tester/MainWindow.h

@@ -38,15 +38,17 @@ public: // member functions.
     MainWindow &operator=(MainWindow const &) = delete; ///< Disabled assignment operator.
     MainWindow &operator=(MainWindow &&) = delete; ///< Disabled move assignment operator.
 
-    SettingsTab &settingsTab(); ///< Returns a reference the 'Settings' tab.
+    SettingsTab &settingsTab() const; ///< Returns a reference the 'Settings' tab.
-    UsersTab &usersTab(); ///< Returns a reference to the 'Users' tab.
+    UsersTab &usersTab() const; ///< Returns a reference to the 'Users' tab.
+    EventsTab &eventsTab() const; ///< Returns a reference to the 'Events' tab.
+    KnowledgeBaseTab &knowledgeBaseTab() const; ///< Returns a reference to the 'Knowledge Base' tab.
 
 public slots:
-    void sendDelayedEvent(bridgepp::SPStreamEvent const &event); ///< Sends a gRPC event after the delay specified in the UI. The call is non blocking.
+    void sendDelayedEvent(bridgepp::SPStreamEvent const &event) const; ///< Sends a gRPC event after the delay specified in the UI. The call is non blocking.
 
 private slots:
-    void addLogEntry(bridgepp::Log::Level level, QString const &message); ///< Add an entry to the log.
+    void addLogEntry(bridgepp::Log::Level level, QString const &message) const; ///< Add an entry to the log.
-    void addBridgeGUILogEntry(bridgepp::Log::Level level, const QString &message); ///< Add an entry to the log.
+    void addBridgeGUILogEntry(bridgepp::Log::Level level, const QString &message) const; ///< Add an entry to the log.
 
 private:
     Ui::MainWindow ui_ {}; ///< The GUI for the window.

internal/frontend/bridge-gui/bridge-gui-tester/MainWindow.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1226</width>
+    <width>1096</width>
-    <height>1086</height>
+    <height>876</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -22,7 +22,7 @@
       </property>
       <widget class="QTabWidget" name="tabTop">
        <property name="currentIndex">
-        <number>0</number>
+        <number>3</number>
        </property>
        <widget class="SettingsTab" name="settingsTab">
         <attribute name="title">
@@ -34,6 +34,16 @@
          <string>Users</string>
         </attribute>
        </widget>
+       <widget class="EventsTab" name="eventsTab">
+        <attribute name="title">
+         <string>Events &amp;&amp; Errors</string>
+        </attribute>
+       </widget>
+       <widget class="KnowledgeBaseTab" name="knowledgeBaseTab">
+        <attribute name="title">
+         <string>Knowledge Base</string>
+        </attribute>
+       </widget>
       </widget>
       <widget class="QTabWidget" name="tabBottom">
        <property name="currentIndex">
@@ -96,6 +106,18 @@
    <header>Tabs/UsersTab.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>EventsTab</class>
+   <extends>QWidget</extends>
+   <header>Tabs/EventsTab.h</header>
+   <container>1</container>
+  </customwidget>
+  <customwidget>
+   <class>KnowledgeBaseTab</class>
+   <extends>QWidget</extends>
+   <header>Tabs/KnowledgeBaseTab.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/EventsTab.cpp

@@ -0,0 +1,109 @@
+// 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/>.
+
+
+#include "EventsTab.h"
+#include "GRPCService.h"
+#include <bridgepp/GRPC/EventFactory.h>
+
+
+using namespace bridgepp;
+
+
+//****************************************************************************************************************************************************
+/// \brief Connect an address error button to the generation of an address error event.
+///
+/// \param[in] button The error button.
+/// \param[in] edit The edit containing the address.
+/// \param[in] eventGenerator The factory function creating the event.
+//****************************************************************************************************************************************************
+void connectAddressError(QPushButton const* button, QLineEdit* edit, SPStreamEvent (*eventGenerator)(QString const&)) {
+    QObject::connect(button, &QPushButton::clicked, [edit, eventGenerator]() { app().grpc().sendEvent(eventGenerator(edit->text())); });
+}
+
+
+//****************************************************************************************************************************************************
+/// \param[in] parent The parent widget.
+//****************************************************************************************************************************************************
+EventsTab::EventsTab(QWidget* parent)
+    : QWidget(parent) {
+    ui_.setupUi(this);
+    this->resetUI();
+
+    connect(ui_.buttonInternetOn, &QPushButton::clicked, []() { app().grpc().sendEvent(newInternetStatusEvent(true)); });
+    connect(ui_.buttonInternetOff, &QPushButton::clicked, []() { app().grpc().sendEvent(newInternetStatusEvent(false)); });
+    connect(ui_.buttonShowMainWindow, &QPushButton::clicked, []() { app().grpc().sendEvent(newShowMainWindowEvent()); });
+    connect(ui_.buttonNoKeychain, &QPushButton::clicked, []() { app().grpc().sendEvent(newHasNoKeychainEvent()); });
+    connect(ui_.buttonAPICertIssue, &QPushButton::clicked, []() { app().grpc().sendEvent(newApiCertIssueEvent()); });
+    connectAddressError(ui_.buttonAddressChanged, ui_.editAddressErrors, newAddressChangedEvent);
+    connectAddressError(ui_.buttonAddressChangedLogout, ui_.editAddressErrors, newAddressChangedLogoutEvent);
+    //connect(ui_.checkNextCacheChangeWillSucceed, &QCheckBox::toggled, this, &SettingsTab::updateGUIState);
+    connect(ui_.buttonUpdateError, &QPushButton::clicked, [&]() {
+        app().grpc().sendEvent(newUpdateErrorEvent(static_cast<grpc::UpdateErrorType>(ui_.comboUpdateError->currentIndex())));
+    });
+    connect(ui_.buttonUpdateManualReady, &QPushButton::clicked, [&] {
+        app().grpc().sendEvent(newUpdateManualReadyEvent(ui_.editUpdateVersion->text()));
+    });
+    connect(ui_.buttonUpdateForce, &QPushButton::clicked, [&] {
+        app().grpc().sendEvent(newUpdateForceEvent(ui_.editUpdateVersion->text()));
+    });
+    connect(ui_.buttonUpdateManualRestart, &QPushButton::clicked, []() { app().grpc().sendEvent(newUpdateManualRestartNeededEvent()); });
+    connect(ui_.buttonUpdateSilentRestart, &QPushButton::clicked, []() { app().grpc().sendEvent(newUpdateSilentRestartNeededEvent()); });
+    connect(ui_.buttonUpdateIsLatest, &QPushButton::clicked, []() { app().grpc().sendEvent(newUpdateIsLatestVersionEvent()); });
+    connect(ui_.buttonUpdateCheckFinished, &QPushButton::clicked, []() { app().grpc().sendEvent(newUpdateCheckFinishedEvent()); });
+    connect(ui_.buttonUpdateVersionChanged, &QPushButton::clicked, []() { app().grpc().sendEvent(newUpdateVersionChangedEvent()); });
+}
+
+
+//****************************************************************************************************************************************************
+/// \return The delay to apply before sending automatically generated events.
+//****************************************************************************************************************************************************
+qint32 EventsTab::eventDelayMs() const {
+    return ui_.spinEventDelay->value();
+}
+
+
+//****************************************************************************************************************************************************
+///  \return The bug report results
+//****************************************************************************************************************************************************
+EventsTab::BugReportResult EventsTab::nextBugReportResult() const {
+    return static_cast<BugReportResult>(ui_.comboBugReportResult->currentIndex());
+}
+
+
+//****************************************************************************************************************************************************
+/// \return The reply for the next IsPortFree gRPC call.
+//****************************************************************************************************************************************************
+bool EventsTab::isPortFree() const {
+    return ui_.checkIsPortFree->isChecked();
+}
+
+//****************************************************************************************************************************************************
+/// \return The value for the 'Next Cache Change Will Succeed' check box.
+//****************************************************************************************************************************************************
+bool EventsTab::nextCacheChangeWillSucceed() const {
+    return ui_.checkNextCacheChangeWillSucceed->isChecked();
+}
+
+//****************************************************************************************************************************************************
+//
+//****************************************************************************************************************************************************
+void EventsTab::resetUI() const {
+    ui_.comboBugReportResult->setCurrentIndex(0);
+    ui_.checkIsPortFree->setChecked(true);
+    ui_.checkNextCacheChangeWillSucceed->setChecked(true);
+}

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/EventsTab.h

@@ -0,0 +1,59 @@
+// 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/>.
+
+
+#ifndef BRIDGE_GUI_TESTER_EVENTS_TAB_H
+#define BRIDGE_GUI_TESTER_EVENTS_TAB_H
+
+
+#include "ui_EventsTab.h"
+
+
+//****************************************************************************************************************************************************
+/// \brief Events tabs
+//****************************************************************************************************************************************************
+class EventsTab: public QWidget {
+    Q_OBJECT
+
+public: // data types
+enum class BugReportResult {
+    Success  = 0,
+    Error = 1,
+    DataSharingError = 2,
+}; ///< Enumeration for the result of bug report sending
+
+public: // member functions.
+    explicit EventsTab(QWidget *parent = nullptr); ///< Default constructor.
+    EventsTab(EventsTab const&) = delete; ///< Disabled copy-constructor.
+    EventsTab(EventsTab&&) = delete; ///< Disabled assignment copy-constructor.
+    ~EventsTab() override = default; ///< Destructor.
+    EventsTab& operator=(EventsTab const&) = delete; ///< Disabled assignment operator.
+    EventsTab& operator=(EventsTab&&) = delete; ///< Disabled move assignment operator.
+
+    qint32 eventDelayMs() const; ///< Get the delay for sending automatically generated events.
+    BugReportResult nextBugReportResult() const; ///< Get the value of the 'Next bug report result' combo box.
+    bool isPortFree() const; ///< Get the value for the "Is Port Free" check box.
+    bool nextCacheChangeWillSucceed() const; ///< Get the value for the 'Next Cache Change will succeed' edit.
+
+    void resetUI() const; ///< Resets the UI.
+
+private: // data members
+    Ui::EventsTab ui_ {}; ///< The UI for the widget.
+};
+
+
+#endif

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/EventsTab.ui

@@ -0,0 +1,359 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>EventsTab</class>
+ <widget class="QWidget" name="EventsTab">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>563</width>
+    <height>571</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout">
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_11">
+       <item>
+        <widget class="QLabel" name="labelEventDelay">
+         <property name="toolTip">
+          <string>Delay applied before sending automatically generated events</string>
+         </property>
+         <property name="text">
+          <string>Delay for asynchronous events</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QSpinBox" name="spinEventDelay">
+         <property name="suffix">
+          <string> ms</string>
+         </property>
+         <property name="minimum">
+          <number>-1</number>
+         </property>
+         <property name="maximum">
+          <number>3600000</number>
+         </property>
+         <property name="singleStep">
+          <number>100</number>
+         </property>
+         <property name="value">
+          <number>0</number>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="horizontalSpacer_5">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>1</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <widget class="QGroupBox" name="groupBox">
+       <property name="minimumSize">
+        <size>
+         <width>0</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="title">
+        <string>Address related errors</string>
+       </property>
+       <layout class="QVBoxLayout" name="verticalLayout_9">
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_12">
+          <item>
+           <widget class="QLabel" name="label">
+            <property name="text">
+             <string>Address</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLineEdit" name="editAddressErrors">
+            <property name="text">
+             <string>dummy.user@proton.me</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_15">
+          <item>
+           <widget class="QPushButton" name="buttonAddressChanged">
+            <property name="text">
+             <string>Address Changed</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="buttonAddressChangedLogout">
+            <property name="text">
+             <string>Address Changed Logout</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <layout class="QGridLayout" name="gridLayout">
+       <item row="0" column="2">
+        <widget class="QCheckBox" name="checkNextCacheChangeWillSucceed">
+         <property name="text">
+          <string>Next Cache Change will succeed</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="3">
+        <spacer name="horizontalSpacer">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>1</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="0" column="1">
+        <widget class="QCheckBox" name="checkIsPortFree">
+         <property name="text">
+          <string>Reply true to the next 'Is Port Free' request.</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_13">
+       <item>
+        <widget class="QLabel" name="labelNextBugReportResult">
+         <property name="text">
+          <string>Next bug report result</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QComboBox" name="comboBugReportResult">
+         <item>
+          <property name="text">
+           <string>Success</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>Error</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>Data sharing error</string>
+          </property>
+         </item>
+        </widget>
+       </item>
+       <item>
+        <spacer name="horizontalSpacer_2">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>1</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <layout class="QGridLayout" name="gridLayout_6">
+       <property name="verticalSpacing">
+        <number>8</number>
+       </property>
+       <item row="0" column="0">
+        <widget class="QPushButton" name="buttonUpdateManualReady">
+         <property name="text">
+          <string>Update Manual Ready</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="2">
+        <widget class="QLineEdit" name="editUpdateVersion">
+         <property name="text">
+          <string>4.0</string>
+         </property>
+        </widget>
+       </item>
+       <item row="4" column="0">
+        <widget class="QPushButton" name="buttonUpdateVersionChanged">
+         <property name="text">
+          <string>Update version changed</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="1">
+        <widget class="QPushButton" name="buttonUpdateForce">
+         <property name="text">
+          <string>Update Force</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="0">
+        <widget class="QPushButton" name="buttonUpdateManualRestart">
+         <property name="text">
+          <string>Update manual restart</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="2">
+        <widget class="QPushButton" name="buttonUpdateCheckFinished">
+         <property name="text">
+          <string>Update check finished</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="1">
+        <widget class="QPushButton" name="buttonUpdateSilentRestart">
+         <property name="text">
+          <string>Update silent restart</string>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="2">
+        <widget class="QComboBox" name="comboUpdateError">
+         <property name="sizeAdjustPolicy">
+          <enum>QComboBox::AdjustToContents</enum>
+         </property>
+         <item>
+          <property name="text">
+           <string>Update manual error</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>Update force error</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>Update silent error</string>
+          </property>
+         </item>
+        </widget>
+       </item>
+       <item row="2" column="1">
+        <widget class="QPushButton" name="buttonUpdateError">
+         <property name="text">
+          <string>Update error</string>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="0">
+        <widget class="QPushButton" name="buttonUpdateIsLatest">
+         <property name="text">
+          <string>Update is latest</string>
+         </property>
+        </widget>
+       </item>
+       <item row="4" column="1" colspan="2">
+        <spacer name="horizontalSpacer_6">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>1</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <layout class="QGridLayout" name="gridLayout_5">
+       <property name="horizontalSpacing">
+        <number>-1</number>
+       </property>
+       <property name="verticalSpacing">
+        <number>8</number>
+       </property>
+       <item row="0" column="1">
+        <widget class="QPushButton" name="buttonInternetOn">
+         <property name="text">
+          <string>Internet On</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="2">
+        <widget class="QPushButton" name="buttonShowMainWindow">
+         <property name="text">
+          <string>Show Main Window</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="0">
+        <widget class="QPushButton" name="buttonInternetOff">
+         <property name="text">
+          <string>Internet Off</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="1">
+        <widget class="QPushButton" name="buttonAPICertIssue">
+         <property name="text">
+          <string>API Certficate Issue</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="0">
+        <widget class="QPushButton" name="buttonNoKeychain">
+         <property name="text">
+          <string>No Keychain</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <spacer name="verticalSpacer">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>200</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/KnowledgeBaseTab.cpp

@@ -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/>.
+
+
+#include "KnowledgeBaseTab.h"
+
+#include "GRPCService.h"
+#include "bridgepp/GRPC/EventFactory.h"
+
+
+using namespace bridgepp;
+
+
+//****************************************************************************************************************************************************
+/// \param[in] parent The parent widget of the tab.
+//****************************************************************************************************************************************************
+KnowledgeBaseTab::KnowledgeBaseTab(QWidget* parent)
+    : QWidget(parent) {
+    ui_.setupUi(this);
+
+    connect(ui_.checkSuggestion1, &QCheckBox::stateChanged, this, &KnowledgeBaseTab::updateGuiState);
+    connect(ui_.checkSuggestion2, &QCheckBox::stateChanged, this, &KnowledgeBaseTab::updateGuiState);
+    connect(ui_.checkSuggestion3, &QCheckBox::stateChanged, this, &KnowledgeBaseTab::updateGuiState);
+    connect(ui_.buttonSend, &QCheckBox::clicked, this, &KnowledgeBaseTab::sendKnowledgeBaseSuggestions);
+
+}
+
+
+//****************************************************************************************************************************************************
+/// \param[in] checkbox The check box.
+/// \param[in] widgets The widgets to conditionally enable.
+//****************************************************************************************************************************************************
+void enableWidgetsIfChecked(QCheckBox const* checkbox, QWidgetList const& widgets) {
+    bool const checked = checkbox->isChecked();
+    for (QWidget *const widget: widgets) {
+        widget->setEnabled(checked);
+    }
+}
+
+
+//****************************************************************************************************************************************************
+/// \return The suggestions.
+//****************************************************************************************************************************************************
+QList<KnowledgeBaseSuggestion> KnowledgeBaseTab::getSuggestions() const {
+    QList<KnowledgeBaseSuggestion> result;
+    if (ui_.checkSuggestion1->isChecked()) {
+        result.push_back({ .url = ui_.editUrl1->text(), .title = ui_.editTitle1->text() });
+    }
+    if (ui_.checkSuggestion2->isChecked()) {
+        result.push_back({ .url = ui_.editUrl2->text(), .title = ui_.editTitle2->text() });
+    }
+    if (ui_.checkSuggestion3->isChecked()) {
+        result.push_back({ .url = ui_.editUrl3->text(), .title = ui_.editTitle3->text() });
+    }
+    return result;
+}
+
+
+//****************************************************************************************************************************************************
+//
+//****************************************************************************************************************************************************
+void KnowledgeBaseTab::sendKnowledgeBaseSuggestions() const {
+    app().grpc().sendEvent(newKnowledgeBaseSuggestionsEvent(this->getSuggestions()));
+}
+
+//****************************************************************************************************************************************************
+//
+//****************************************************************************************************************************************************
+void KnowledgeBaseTab::updateGuiState() {
+    enableWidgetsIfChecked(ui_.checkSuggestion1, { ui_.labelTitle1, ui_.editTitle1, ui_.labelUrl1, ui_.editUrl1});
+    enableWidgetsIfChecked(ui_.checkSuggestion2, { ui_.labelTitle2, ui_.editTitle2, ui_.labelUrl2, ui_.editUrl2});
+    enableWidgetsIfChecked(ui_.checkSuggestion3, { ui_.labelTitle3, ui_.editTitle3, ui_.labelUrl3, ui_.editUrl3});
+}
+
+
+//****************************************************************************************************************************************************
+/// \param[in] userInput The user input.
+//****************************************************************************************************************************************************
+void KnowledgeBaseTab::requestKnowledgeBaseSuggestions(QString const& userInput) const {
+    ui_.editUserInput->setPlainText(userInput);
+    ui_.labelLastReceived->setText(tr("Last received: %1").arg(QDateTime::currentDateTime().toString("yyyy-MM-dd HH:mm:ss.zzz")));
+}

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/KnowledgeBaseTab.h

@@ -0,0 +1,53 @@
+// 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/>.
+
+
+#ifndef BRIDGE_GUI_TESTER_KNOWLEDGE_BASE_TAB_H
+#define BRIDGE_GUI_TESTER_KNOWLEDGE_BASE_TAB_H
+
+
+#include "ui_KnowledgeBaseTab.h"
+#include <bridgepp/GRPC/GRPCClient.h>
+
+
+//****************************************************************************************************************************************************
+/// \brief Knowledge base table.
+//****************************************************************************************************************************************************
+class KnowledgeBaseTab: public QWidget {
+public: // member functions.
+    explicit KnowledgeBaseTab(QWidget *parent = nullptr); ///< Default constructor.
+    KnowledgeBaseTab(KnowledgeBaseTab const&) = delete; ///< Disabled copy-constructor.
+    KnowledgeBaseTab(KnowledgeBaseTab&&) = delete; ///< Disabled assignment copy-constructor.
+    ~KnowledgeBaseTab() override = default; ///< Destructor.
+    KnowledgeBaseTab& operator=(KnowledgeBaseTab const&) = delete; ///< Disabled assignment operator.
+    KnowledgeBaseTab& operator=(KnowledgeBaseTab&&) = delete; ///< Disabled move assignment operator.
+    QList<bridgepp::KnowledgeBaseSuggestion> getSuggestions() const; ///< Returns the suggestions.
+
+public slots:
+    void requestKnowledgeBaseSuggestions(QString const &userInput) const; ///< Slot for the 'RequestKnowledgeBaseSuggestions' gRPC call.
+
+private slots:
+    void sendKnowledgeBaseSuggestions() const; ///< Send a KnowledgeBaseSuggestions event.
+    void updateGuiState(); ///< Update the GUI state.
+
+private: // data members
+    Ui::KnowledgeBaseTab ui_ {}; ///< The UI for the widget.
+};
+
+
+
+#endif //BRIDGE_GUI_TESTER_KNOWLEDGE_BASE_TAB_H

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/KnowledgeBaseTab.ui

@@ -0,0 +1,239 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>KnowledgeBaseTab</class>
+ <widget class="QWidget" name="KnowledgeBaseTab">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>857</width>
+    <height>905</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout_2">
+   <item>
+    <widget class="QGroupBox" name="groupUserInput">
+     <property name="title">
+      <string>User Input</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <widget class="QPlainTextEdit" name="editUserInput">
+        <property name="readOnly">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="labelLastReceived">
+        <property name="text">
+         <string>Last received: never</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <widget class="QGroupBox" name="groupBoxSuggestion1">
+       <property name="title">
+        <string>Suggestion 1</string>
+       </property>
+       <layout class="QGridLayout" name="gridLayout">
+        <item row="0" column="0" colspan="2">
+         <widget class="QCheckBox" name="checkSuggestion1">
+          <property name="text">
+           <string>Enabled</string>
+          </property>
+          <property name="checked">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="labelTitle1">
+          <property name="text">
+           <string>Title</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QLineEdit" name="editTitle1">
+          <property name="text">
+           <string>Automatically start Bridge</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="0">
+         <widget class="QLabel" name="labelUrl1">
+          <property name="text">
+           <string>URL</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1">
+         <widget class="QLineEdit" name="editUrl1">
+          <property name="text">
+           <string>https://proton.me/support/automatically-start-bridge</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <widget class="QGroupBox" name="groupBoxSuggestion2">
+       <property name="title">
+        <string>Suggestion 2</string>
+       </property>
+       <layout class="QGridLayout" name="gridLayout_2">
+        <item row="0" column="0" colspan="2">
+         <widget class="QCheckBox" name="checkSuggestion2">
+          <property name="text">
+           <string>Enabled</string>
+          </property>
+          <property name="checked">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="labelTitle2">
+          <property name="text">
+           <string>Title</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QLineEdit" name="editTitle2">
+          <property name="text">
+           <string>Proton Mail Bridge connection issues with Thunderbird, Outlook, and Apple Mail</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="0">
+         <widget class="QLabel" name="labelUrl2">
+          <property name="text">
+           <string>URL</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1">
+         <widget class="QLineEdit" name="editUrl2">
+          <property name="text">
+           <string>https://proton.me/support/bridge-ssl-connection-issue</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <widget class="QGroupBox" name="groupBoxSuggestion3">
+       <property name="title">
+        <string>Suggestion 3</string>
+       </property>
+       <layout class="QGridLayout" name="gridLayout_3">
+        <item row="0" column="0" colspan="2">
+         <widget class="QCheckBox" name="checkSuggestion3">
+          <property name="text">
+           <string>Enabled</string>
+          </property>
+          <property name="checked">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="labelTitle3">
+          <property name="text">
+           <string>Title</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QLineEdit" name="editTitle3">
+          <property name="text">
+           <string>Difference between combined addresses mode and split addresses mode</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="0">
+         <widget class="QLabel" name="labelUrl3">
+          <property name="text">
+           <string>URL</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1">
+         <widget class="QLineEdit" name="editUrl3">
+          <property name="text">
+           <string>https://proton.me/support/difference-combined-addresses-mode-split-addresses-mode</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout">
+       <item>
+        <spacer name="horizontalSpacer">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item>
+        <widget class="QPushButton" name="buttonSend">
+         <property name="text">
+          <string>Send Knowledge Base Suggestions</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="horizontalSpacer_2">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <spacer name="verticalSpacer">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>208</width>
+         <height>289</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/SettingsTab.cpp

@@ -18,7 +18,6 @@
 
 #include "SettingsTab.h"
 #include "GRPCService.h"
-#include <bridgepp/GRPC/EventFactory.h>
 #include <bridgepp/BridgeUtils.h>
 
 
@@ -38,23 +37,6 @@ SettingsTab::SettingsTab(QWidget *parent)
     : QWidget(parent) {
     ui_.setupUi(this);
 
-    connect(ui_.buttonInternetOn, &QPushButton::clicked, []() { app().grpc().sendEvent(newInternetStatusEvent(true)); });
-    connect(ui_.buttonInternetOff, &QPushButton::clicked, []() { app().grpc().sendEvent(newInternetStatusEvent(false)); });
-    connect(ui_.buttonShowMainWindow, &QPushButton::clicked, []() { app().grpc().sendEvent(newShowMainWindowEvent()); });
-    connect(ui_.buttonAPICertIssue, &QPushButton::clicked, []() { app().grpc().sendEvent(newApiCertIssueEvent()); });
-    connect(ui_.buttonDiskCacheUnavailable, &QPushButton::clicked, []() {
-        app().grpc().sendEvent(
-            newDiskCacheErrorEvent(grpc::DiskCacheErrorType::DISK_CACHE_UNAVAILABLE_ERROR));
-    });
-    connect(ui_.buttonDiskFull, &QPushButton::clicked, []() {
-        app().grpc().sendEvent(
-            newDiskCacheErrorEvent(grpc::DiskCacheErrorType::DISK_FULL_ERROR));
-    });
-    connect(ui_.buttonNoActiveKeyForRecipient, &QPushButton::clicked, [&]() {
-        app().grpc().sendEvent(
-            newNoActiveKeyForRecipientEvent(ui_.editNoActiveKeyForRecipient->text()));
-    });
-    connect(ui_.checkNextCacheChangeWillSucceed, &QCheckBox::toggled, this, &SettingsTab::updateGUIState);
     this->resetUI();
     this->updateGUIState();
 }
@@ -64,11 +46,10 @@ SettingsTab::SettingsTab(QWidget *parent)
 //
 //****************************************************************************************************************************************************
 void SettingsTab::updateGUIState() {
-    bool connected = app().grpc().isStreaming();
+    bool const connected = app().grpc().isStreaming();
     for (QWidget *widget: { ui_.groupVersion, ui_.groupGeneral, ui_.groupMail, ui_.groupPaths, ui_.groupCache }) {
         widget->setEnabled(!connected);
     }
-    ui_.comboCacheError->setEnabled(!ui_.checkNextCacheChangeWillSucceed->isChecked());
 }
 
 
@@ -84,7 +65,7 @@ void SettingsTab::setIsStreaming(bool isStreaming) {
 //****************************************************************************************************************************************************
 /// \param[in] clientPlatform The client platform.
 //****************************************************************************************************************************************************
-void SettingsTab::setClientPlatform(QString const &clientPlatform) {
+void SettingsTab::setClientPlatform(QString const &clientPlatform) const {
     ui_.labelClientPlatformValue->setText(clientPlatform);
 }
 
@@ -139,7 +120,7 @@ bool SettingsTab::showSplashScreen() const {
 
 
 //****************************************************************************************************************************************************
-/// \return true iff autosart is on.
+/// \return true iff autostart is on.
 //****************************************************************************************************************************************************
 bool SettingsTab::isAutostartOn() const {
     return ui_.checkAutostart->isChecked();
@@ -149,7 +130,7 @@ bool SettingsTab::isAutostartOn() const {
 //****************************************************************************************************************************************************
 /// \param[in] on Should autostart be turned on?
 //****************************************************************************************************************************************************
-void SettingsTab::setIsAutostartOn(bool on) {
+void SettingsTab::setIsAutostartOn(bool on) const {
     ui_.checkAutostart->setChecked(on);
 }
 
@@ -165,7 +146,7 @@ QString SettingsTab::colorSchemeName() const {
 //****************************************************************************************************************************************************
 /// \param[in] name True if the 'Use Dark Theme' check box should be checked.
 //****************************************************************************************************************************************************
-void SettingsTab::setColorSchemeName(QString const &name) {
+void SettingsTab::setColorSchemeName(QString const &name) const {
     ui_.checkDarkTheme->setChecked(name == colorSchemeDark);
 }
 
@@ -181,7 +162,7 @@ bool SettingsTab::isBetaEnabled() const {
 //****************************************************************************************************************************************************
 /// \param[in] enabled The new state for the 'Beta Enabled' check box.
 //****************************************************************************************************************************************************
-void SettingsTab::setIsBetaEnabled(bool enabled) {
+void SettingsTab::setIsBetaEnabled(bool enabled) const {
     ui_.checkBetaEnabled->setChecked(enabled);
 }
 
@@ -197,7 +178,7 @@ bool SettingsTab::isAllMailVisible() const {
 //****************************************************************************************************************************************************
 /// \param[in] visible The new value for the 'All Mail Visible' check box.
 //****************************************************************************************************************************************************
-void SettingsTab::setIsAllMailVisible(bool visible) {
+void SettingsTab::setIsAllMailVisible(bool visible) const {
     ui_.checkAllMailVisible->setChecked(visible);
 }
 
@@ -213,19 +194,11 @@ bool SettingsTab::isTelemetryDisabled() const {
 //****************************************************************************************************************************************************
 /// \param[in] isDisabled The new value for the 'Disable Telemetry' check box.
 //****************************************************************************************************************************************************
-void SettingsTab::setIsTelemetryDisabled(bool isDisabled) {
+void SettingsTab::setIsTelemetryDisabled(bool isDisabled) const {
     ui_.checkIsTelemetryDisabled->setChecked(isDisabled);
 }
 
 
-//****************************************************************************************************************************************************
-/// \return The delay to apply before sending automatically generated events.
-//****************************************************************************************************************************************************
-qint32 SettingsTab::eventDelayMs() const {
-    return ui_.spinEventDelay->value();
-}
-
-
 //****************************************************************************************************************************************************
 /// \return The path
 //****************************************************************************************************************************************************
@@ -275,7 +248,7 @@ QString SettingsTab::landingPageLink() const {
 /// \param[in] includeLogs Are the log included.
 //****************************************************************************************************************************************************
 void SettingsTab::setBugReport(QString const &osType, QString const &osVersion, QString const &emailClient, QString const &address,
-    QString const &description, bool includeLogs) {
+    QString const &description, bool includeLogs) const {
     ui_.editOSType->setText(osType);
     ui_.editOSVersion->setText(osVersion);
     ui_.editEmailClient->setText(emailClient);
@@ -288,27 +261,17 @@ void SettingsTab::setBugReport(QString const &osType, QString const &osVersion,
 //****************************************************************************************************************************************************
 //
 //****************************************************************************************************************************************************
-void SettingsTab::installTLSCertificate() {
+void SettingsTab::installTLSCertificate() const {
     ui_.labelLastTLSCertInstall->setText(QString("Last install: %1").arg(QDateTime::currentDateTime().toString(Qt::ISODateWithMs)));
-    ui_.checkTLSCertIsInstalled->setChecked(this->nextTLSCertIntallResult() == TLSCertInstallResult::Success);
+    ui_.checkTLSCertIsInstalled->setChecked(this->nextTLSCertInstallResult() == TLSCertInstallResult::Success);
 }
 
 
 //****************************************************************************************************************************************************
 /// \param[in] folderPath The folder path.
 //****************************************************************************************************************************************************
-void SettingsTab::exportTLSCertificates(QString const &folderPath) {
+void SettingsTab::exportTLSCertificates(QString const &folderPath) const {
-    ui_.labeLastTLSCertExport->setText(QString("%1 Export to %2")
+    ui_.labeLastTLSCertExport->setText(QString("%1 Export to %2").arg(QDateTime::currentDateTime().toString(Qt::ISODateWithMs),folderPath));
-        .arg(QDateTime::currentDateTime().toString(Qt::ISODateWithMs))
-        .arg(folderPath));
-}
-
-
-//****************************************************************************************************************************************************
-/// \return The state of the check box.
-//****************************************************************************************************************************************************
-bool SettingsTab::nextBugReportWillSucceed() const {
-    return ui_.checkNextBugReportWillSucceed->isChecked();
 }
 
 
@@ -323,8 +286,8 @@ bool SettingsTab::isTLSCertificateInstalled() const {
 //****************************************************************************************************************************************************
 /// \return The value for the 'Next TLS cert install result'.
 //****************************************************************************************************************************************************
-SettingsTab::TLSCertInstallResult SettingsTab::nextTLSCertIntallResult() const {
+SettingsTab::TLSCertInstallResult SettingsTab::nextTLSCertInstallResult() const {
-    return TLSCertInstallResult(ui_.comboNextTLSCertInstallResult->currentIndex());
+    return static_cast<TLSCertInstallResult>(ui_.comboNextTLSCertInstallResult->currentIndex());
 }
 
 
@@ -355,7 +318,7 @@ QString SettingsTab::hostname() const {
 //****************************************************************************************************************************************************
 /// \return The value of the IMAP port spin box.
 //****************************************************************************************************************************************************
-qint32 SettingsTab::imapPort() {
+qint32 SettingsTab::imapPort() const {
     return ui_.spinPortIMAP->value();
 }
 
@@ -363,7 +326,7 @@ qint32 SettingsTab::imapPort() {
 //****************************************************************************************************************************************************
 /// \return The value of the SMTP port spin box.
 //****************************************************************************************************************************************************
-qint32 SettingsTab::smtpPort() {
+qint32 SettingsTab::smtpPort() const {
     return ui_.spinPortSMTP->value();
 }
 
@@ -374,7 +337,7 @@ qint32 SettingsTab::smtpPort() {
 /// \param[in] useSSLForIMAP The IMAP connexion mode.
 /// \param[in] useSSLForSMTP The IMAP connexion mode.
 //****************************************************************************************************************************************************
-void SettingsTab::setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP) {
+void SettingsTab::setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP) const {
     ui_.spinPortIMAP->setValue(imapPort);
     ui_.spinPortSMTP->setValue(smtpPort);
     ui_.checkUseSSLForIMAP->setChecked(useSSLForIMAP);
@@ -409,23 +372,15 @@ bool SettingsTab::isDoHEnabled() const {
 //****************************************************************************************************************************************************
 /// \param[in] enabled The state of the 'DoH enabled' check box.
 //****************************************************************************************************************************************************
-void SettingsTab::setIsDoHEnabled(bool enabled) {
+void SettingsTab::setIsDoHEnabled(bool enabled) const {
     ui_.checkDoHEnabled->setChecked(enabled);
 }
 
 
-//****************************************************************************************************************************************************
-/// \return The reply for the next IsPortFree gRPC call.
-//****************************************************************************************************************************************************
-bool SettingsTab::isPortFree() const {
-    return ui_.checkIsPortFree->isChecked();
-}
-
-
 //****************************************************************************************************************************************************
 /// \param[in] path The path of the local cache.
 //****************************************************************************************************************************************************
-void SettingsTab::setDiskCachePath(const QString &path) {
+void SettingsTab::setDiskCachePath(const QString &path) const {
     ui_.editDiskCachePath->setText(path);
 }
 
@@ -438,22 +393,6 @@ QString SettingsTab::diskCachePath() const {
 }
 
 
-//****************************************************************************************************************************************************
-/// \return The value for the 'Next Cache Change Will Succeed' check box.
-//****************************************************************************************************************************************************
-bool SettingsTab::nextCacheChangeWillSucceed() const {
-    return ui_.checkNextCacheChangeWillSucceed->isChecked();
-}
-
-
-//****************************************************************************************************************************************************
-/// \return The index of the selected cache error.
-//****************************************************************************************************************************************************
-qint32 SettingsTab::cacheError() const {
-    return ui_.comboCacheError->currentIndex();
-}
-
-
 //****************************************************************************************************************************************************
 /// \return the value for the 'Automatic Update' check.
 //****************************************************************************************************************************************************
@@ -465,7 +404,7 @@ bool SettingsTab::isAutomaticUpdateOn() const {
 //****************************************************************************************************************************************************
 /// \param[in] on The value for the 'Automatic Update' check.
 //****************************************************************************************************************************************************
-void SettingsTab::setIsAutomaticUpdateOn(bool on) {
+void SettingsTab::setIsAutomaticUpdateOn(bool on) const {
     ui_.checkAutomaticUpdate->setChecked(on);
 }
 
@@ -514,20 +453,16 @@ void SettingsTab::resetUI() {
     ui_.editAddress->setText(QString());
     ui_.editDescription->setPlainText(QString());
     ui_.labelIncludeLogsValue->setText(QString());
-    ui_.checkNextBugReportWillSucceed->setChecked(true);
 
     ui_.editHostname->setText("localhost");
     ui_.spinPortIMAP->setValue(1143);
     ui_.spinPortSMTP->setValue(1025);
     ui_.checkUseSSLForSMTP->setChecked(false);
     ui_.checkDoHEnabled->setChecked(true);
-    ui_.checkIsPortFree->setChecked(true);
 
     QString const cacheDir = QDir(tmpDir).absoluteFilePath("cache");
     QDir().mkpath(cacheDir);
     ui_.editDiskCachePath->setText(QDir::toNativeSeparators(cacheDir));
-    ui_.checkNextCacheChangeWillSucceed->setChecked(true);
-    ui_.comboCacheError->setCurrentIndex(0);
 
     ui_.checkAutomaticUpdate->setChecked(true);
 

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/SettingsTab.h

@@ -33,13 +33,13 @@ public: // data types.
         Success = 0,
         Canceled = 1,
         Failure = 2
-    }; ///< Enumberation for the result of a TLS certificate installation.
+    }; ///< Enumeration for the result of a TLS certificate installation.
 
 public: // member functions.
     explicit SettingsTab(QWidget *parent = nullptr); ///< Default constructor.
     SettingsTab(SettingsTab const &) = delete; ///< Disabled copy-constructor.
     SettingsTab(SettingsTab &&) = delete; ///< Disabled assignment copy-constructor.
-    ~SettingsTab() = default; ///< Destructor.
+    ~SettingsTab() override = default; ///< Destructor.
     SettingsTab &operator=(SettingsTab const &) = delete; ///< Disabled assignment operator.
     SettingsTab &operator=(SettingsTab &&) = delete; ///< Disabled move assignment operator.
 
@@ -54,52 +54,47 @@ public: // member functions.
     bool isAllMailVisible() const; ///< Get the value for the 'All Mail Visible' check.
     bool isTelemetryDisabled() const; ///< Get the value for the 'Disable Telemetry' check box.
     QString colorSchemeName() const; ///< Get the value of the 'Use Dark Theme' checkbox.
-    qint32 eventDelayMs() const; ///< Get the delay for sending automatically generated events.
     QString logsPath() const; ///< Get the content of the 'Logs Path' edit.
     QString licensePath() const; ///< Get the content of the 'License Path' edit.
     QString releaseNotesPageLink() const; ///< Get the content of the 'Release Notes Page Link' edit.
     QString dependencyLicenseLink() const; ///< Get the content of the 'Dependency License Link' edit.
     QString landingPageLink() const; ///< Get the content of the 'Landing Page Link' edit.
-    bool nextBugReportWillSucceed() const; ///< Get the status of the 'Next Bug Report Will Fail' check box.
     bool isTLSCertificateInstalled() const; ///< Get the status of the 'TLS Certificate is installed' check box.
-    TLSCertInstallResult nextTLSCertIntallResult() const; ///< Get the value of the 'Next TLS Certificate install result' combo box.
+    TLSCertInstallResult nextTLSCertInstallResult() const; ///< Get the value of the 'Next TLS Certificate install result' combo box.
     bool nextTLSCertExportWillSucceed() const;  ///< Get the status of the 'Next TLS Cert export will succeed' check box.
     bool nextTLSKeyExportWillSucceed() const;  ///< Get the status of the 'Next TLS Key export will succeed' check box.
     QString hostname() const; ///< Get the value of the 'Hostname' edit.
-    qint32 imapPort(); ///< Get the value of the IMAP port spin.
+    qint32 imapPort() const; ///< Get the value of the IMAP port spin.
-    qint32 smtpPort(); ///< Get the value of the SMTP port spin.
+    qint32 smtpPort() const; ///< Get the value of the SMTP port spin.
     bool useSSLForSMTP() const; ///< Get the value for the 'Use SSL for SMTP' check box.
     bool useSSLForIMAP() const; ///< Get the value for the 'Use SSL for IMAP' check box.
     bool isDoHEnabled() const; ///< Get the value for the 'DoH Enabled' check box.
-    bool isPortFree() const; ///< Get the value for the "Is Port Free" check box.
     QString diskCachePath() const; ///< Get the value for the 'Disk Cache Path' edit.
-    bool nextCacheChangeWillSucceed() const; ///< Get the value for the 'Next Cache Change will succeed' edit.
-    qint32 cacheError() const; ///< Return the index of the selected cache error.
     bool isAutomaticUpdateOn() const; ///<Get the value for the 'Automatic Update' check box.
 
 public slots:
     void updateGUIState(); ///< Update the GUI state.
     void setIsStreaming(bool isStreaming); ///< Set the isStreamingEvents value.
-    void setClientPlatform(QString const &clientPlatform); ///< Set the client platform.
+    void setClientPlatform(QString const &clientPlatform) const; ///< Set the client platform.
-    void setIsAutostartOn(bool on); ///< Set the value for the 'Autostart' check box.
+    void setIsAutostartOn(bool on) const; ///< Set the value for the 'Autostart' check box.
-    void setIsBetaEnabled(bool enabled); ///< Set the value for the 'Beta Enabled' check box.
+    void setIsBetaEnabled(bool enabled) const; ///< Set the value for the 'Beta Enabled' check box.
-    void setIsAllMailVisible(bool visible); ///< Set the value for the 'All Mail Visible' check box.
+    void setIsAllMailVisible(bool visible) const; ///< Set the value for the 'All Mail Visible' check box.
-    void setIsTelemetryDisabled(bool isDisabled); ///< Set the value for the 'Disable Telemetry' check box.
+    void setIsTelemetryDisabled(bool isDisabled) const; ///< Set the value for the 'Disable Telemetry' check box.
-    void setColorSchemeName(QString const &name); ///< Set the value for the 'Use Dark Theme' check box.
+    void setColorSchemeName(QString const &name) const; ///< Set the value for the 'Use Dark Theme' check box.
     void setBugReport(QString const &osType, QString const &osVersion, QString const &emailClient, QString const &address, QString const &description,
-        bool includeLogs); ///< Set the content of the bug report box.
+        bool includeLogs) const; ///< Set the content of the bug report box.
-    void installTLSCertificate(); ///< Install the TLS certificate.
+    void installTLSCertificate() const; ///< Install the TLS certificate.
-    void exportTLSCertificates(QString const &folderPath); ///< Export the TLS certificates.
+    void exportTLSCertificates(QString const &folderPath) const; ///< Export the TLS certificates.
-    void setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP); ///< Change the mail server settings.
+    void setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP) const; ///< Change the mail server settings.
-    void setIsDoHEnabled(bool enabled); ///< Set the value for the 'DoH Enabled' check box.
+    void setIsDoHEnabled(bool enabled) const; ///< Set the value for the 'DoH Enabled' check box.
-    void setDiskCachePath(QString const &path); ///< Set the value for the 'Cache On Disk Enabled' check box.
+    void setDiskCachePath(QString const &path) const; ///< Set the value for the 'Cache On Disk Enabled' check box.
-    void setIsAutomaticUpdateOn(bool on); ///< Set the value for the 'Automatic Update' check box.
+    void setIsAutomaticUpdateOn(bool on) const; ///< Set the value for the 'Automatic Update' check box.
 
 private: // member functions.
     void resetUI(); ///< Reset the widget.
 
 private: // data members.
-    Ui::SettingsTab ui_; ///< The GUI for the tab
+    Ui::SettingsTab ui_ {}; ///< The GUI for the tab
 };
 
 

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/SettingsTab.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1127</width>
+    <width>1146</width>
-    <height>808</height>
+    <height>716</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -18,6 +18,9 @@
     <layout class="QHBoxLayout" name="horizontalLayout_5">
      <item>
       <layout class="QVBoxLayout" name="verticalLayout">
+       <property name="spacing">
+        <number>4</number>
+       </property>
        <item>
         <widget class="QGroupBox" name="groupVersion">
          <property name="minimumSize">
@@ -103,6 +106,9 @@
           <string>General Settings</string>
          </property>
          <layout class="QGridLayout" name="gridLayout_2">
+          <property name="verticalSpacing">
+           <number>4</number>
+          </property>
           <item row="0" column="0">
            <widget class="QCheckBox" name="checkShowOnStartup">
             <property name="text">
@@ -186,6 +192,9 @@
           <string>Mail</string>
          </property>
          <layout class="QVBoxLayout" name="verticalLayout_6">
+          <property name="spacing">
+           <number>4</number>
+          </property>
           <item>
            <layout class="QHBoxLayout" name="horizontalLayout_6" stretch="0,0">
             <item>
@@ -199,7 +208,7 @@
              <widget class="QLineEdit" name="editHostname">
               <property name="minimumSize">
                <size>
-                <width>200</width>
+                <width>0</width>
                 <height>0</height>
                </size>
               </property>
@@ -287,6 +296,9 @@
           <string>Paths &amp;&amp; Links</string>
          </property>
          <layout class="QGridLayout" name="gridLayout">
+          <property name="verticalSpacing">
+           <number>4</number>
+          </property>
           <item row="0" column="0">
            <widget class="QLabel" name="labelLogsPath">
             <property name="text">
@@ -381,6 +393,9 @@
           <string>TLS Certficates</string>
          </property>
          <layout class="QGridLayout" name="gridLayout_4" columnstretch="1,1">
+          <property name="verticalSpacing">
+           <number>4</number>
+          </property>
           <item row="0" column="0">
            <widget class="QCheckBox" name="checkTLSCertIsInstalled">
             <property name="text">
@@ -487,6 +502,9 @@
           <string>Status</string>
          </property>
          <layout class="QVBoxLayout" name="verticalLayout_3">
+          <property name="spacing">
+           <number>5</number>
+          </property>
           <item>
            <layout class="QHBoxLayout" name="horizontalLayout_2">
             <item>
@@ -596,8 +614,8 @@
           <string>Bug Report</string>
          </property>
          <layout class="QGridLayout" name="gridLayout_3">
-          <item row="0" column="3">
+          <item row="1" column="1">
-           <widget class="QLineEdit" name="editOSVersion">
+           <widget class="QLineEdit" name="editEmailClient">
             <property name="minimumSize">
              <size>
               <width>0</width>
@@ -610,6 +628,37 @@
               <height>0</height>
              </size>
             </property>
+            <property name="text">
+             <string/>
+            </property>
+            <property name="readOnly">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+          <item row="0" column="0">
+           <widget class="QLabel" name="labelOSType">
+            <property name="text">
+             <string>OS Type</string>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="2">
+           <widget class="QLabel" name="labelAddress">
+            <property name="text">
+             <string>Address</string>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="0">
+           <widget class="QLabel" name="labelEmailClient">
+            <property name="text">
+             <string>Email Cient</string>
+            </property>
+           </widget>
+          </item>
+          <item row="2" column="1" colspan="3">
+           <widget class="QPlainTextEdit" name="editDescription">
             <property name="readOnly">
              <bool>true</bool>
             </property>
@@ -628,13 +677,6 @@
             </property>
            </widget>
           </item>
-          <item row="0" column="0">
-           <widget class="QLabel" name="labelOSType">
-            <property name="text">
-             <string>OS Type</string>
-            </property>
-           </widget>
-          </item>
           <item row="3" column="0">
            <widget class="QLabel" name="labelIncludeLogs">
             <property name="text">
@@ -642,22 +684,18 @@
             </property>
            </widget>
           </item>
-          <item row="1" column="2">
+          <item row="2" column="0">
-           <widget class="QLabel" name="labelAddress">
+           <widget class="QLabel" name="labelDescription">
             <property name="text">
-             <string>Address</string>
+             <string>Description</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
             </property>
            </widget>
           </item>
-          <item row="0" column="2">
+          <item row="0" column="3">
-           <widget class="QLabel" name="labelOSVersion">
+           <widget class="QLineEdit" name="editOSVersion">
-            <property name="text">
-             <string>OS Version</string>
-            </property>
-           </widget>
-          </item>
-          <item row="0" column="1">
-           <widget class="QLineEdit" name="editOSType">
             <property name="minimumSize">
              <size>
               <width>0</width>
@@ -682,251 +720,29 @@
             </property>
            </widget>
           </item>
-          <item row="2" column="0">
+          <item row="0" column="1">
-           <widget class="QLabel" name="labelDescription">
+           <widget class="QLineEdit" name="editOSType">
-            <property name="text">
-             <string>Description</string>
-            </property>
-            <property name="alignment">
-             <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
-            </property>
-           </widget>
-          </item>
-          <item row="1" column="1">
-           <widget class="QLineEdit" name="editEmailClient">
             <property name="minimumSize">
              <size>
               <width>0</width>
               <height>0</height>
              </size>
             </property>
-            <property name="text">
+            <property name="baseSize">
-             <string/>
+             <size>
+              <width>250</width>
+              <height>0</height>
+             </size>
             </property>
             <property name="readOnly">
              <bool>true</bool>
             </property>
            </widget>
           </item>
-          <item row="1" column="0">
+          <item row="0" column="2">
-           <widget class="QLabel" name="labelEmailClient">
+           <widget class="QLabel" name="labelOSVersion">
             <property name="text">
-             <string>Email Cient</string>
+             <string>OS Version</string>
-            </property>
-           </widget>
-          </item>
-          <item row="2" column="1" colspan="4">
-           <widget class="QPlainTextEdit" name="editDescription">
-            <property name="readOnly">
-             <bool>true</bool>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </widget>
-       </item>
-       <item>
-        <widget class="QGroupBox" name="groupApp">
-         <property name="minimumSize">
-          <size>
-           <width>0</width>
-           <height>0</height>
-          </size>
-         </property>
-         <property name="title">
-          <string>Events &amp;&amp; Errors</string>
-         </property>
-         <layout class="QVBoxLayout" name="verticalLayout_8">
-          <item>
-           <layout class="QHBoxLayout" name="horizontalLayout_11">
-            <item>
-             <widget class="QLabel" name="labelEventDelay">
-              <property name="toolTip">
-               <string>Delay applied before sending automatically generated events</string>
-              </property>
-              <property name="text">
-               <string>Delay for asynchronous events</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QSpinBox" name="spinEventDelay">
-              <property name="suffix">
-               <string> ms</string>
-              </property>
-              <property name="maximum">
-               <number>3600000</number>
-              </property>
-              <property name="singleStep">
-               <number>100</number>
-              </property>
-              <property name="value">
-               <number>1000</number>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <spacer name="horizontalSpacer_5">
-              <property name="orientation">
-               <enum>Qt::Horizontal</enum>
-              </property>
-              <property name="sizeHint" stdset="0">
-               <size>
-                <width>40</width>
-                <height>1</height>
-               </size>
-              </property>
-             </spacer>
-            </item>
-           </layout>
-          </item>
-          <item>
-           <layout class="QHBoxLayout" name="horizontalLayout_9">
-            <item>
-             <widget class="QPushButton" name="buttonInternetOff">
-              <property name="text">
-               <string>Internet Off</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QPushButton" name="buttonInternetOn">
-              <property name="text">
-               <string>Internet On</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QPushButton" name="buttonShowMainWindow">
-              <property name="text">
-               <string>Show Main Window</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QPushButton" name="buttonAPICertIssue">
-              <property name="text">
-               <string>API cert. Issue</string>
-              </property>
-             </widget>
-            </item>
-           </layout>
-          </item>
-          <item>
-           <layout class="QHBoxLayout" name="horizontalLayout_13">
-            <item>
-             <widget class="QPushButton" name="buttonDiskCacheUnavailable">
-              <property name="text">
-               <string>Disk Cache Unavailable</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QPushButton" name="buttonDiskFull">
-              <property name="text">
-               <string>Disk Full</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <spacer name="horizontalSpacer_2">
-              <property name="orientation">
-               <enum>Qt::Horizontal</enum>
-              </property>
-              <property name="sizeHint" stdset="0">
-               <size>
-                <width>40</width>
-                <height>1</height>
-               </size>
-              </property>
-             </spacer>
-            </item>
-           </layout>
-          </item>
-          <item>
-           <layout class="QHBoxLayout" name="horizontalLayout_12">
-            <item>
-             <widget class="QPushButton" name="buttonNoActiveKeyForRecipient">
-              <property name="text">
-               <string>No Active Key For Recipient</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QLineEdit" name="editNoActiveKeyForRecipient">
-              <property name="text">
-               <string>dummy.user@proton.me</string>
-              </property>
-             </widget>
-            </item>
-           </layout>
-          </item>
-          <item>
-           <widget class="QCheckBox" name="checkIsPortFree">
-            <property name="text">
-             <string>Reply true to the next 'Is Port Free' request.</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <layout class="QHBoxLayout" name="horizontalLayout_8">
-            <property name="leftMargin">
-             <number>0</number>
-            </property>
-            <property name="topMargin">
-             <number>0</number>
-            </property>
-            <property name="rightMargin">
-             <number>0</number>
-            </property>
-            <property name="bottomMargin">
-             <number>0</number>
-            </property>
-            <item>
-             <widget class="QCheckBox" name="checkNextCacheChangeWillSucceed">
-              <property name="text">
-               <string>Next Cache Change will succeed</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <spacer name="horizontalSpacer_6">
-              <property name="orientation">
-               <enum>Qt::Horizontal</enum>
-              </property>
-              <property name="sizeHint" stdset="0">
-               <size>
-                <width>40</width>
-                <height>1</height>
-               </size>
-              </property>
-             </spacer>
-            </item>
-            <item>
-             <widget class="QComboBox" name="comboCacheError">
-              <item>
-               <property name="text">
-                <string>Disk Cache Unavailable</string>
-               </property>
-              </item>
-              <item>
-               <property name="text">
-                <string>Can't Move Disk Cache</string>
-               </property>
-              </item>
-              <item>
-               <property name="text">
-                <string>Disk Full</string>
-               </property>
-              </item>
-             </widget>
-            </item>
-           </layout>
-          </item>
-          <item>
-           <widget class="QCheckBox" name="checkNextBugReportWillSucceed">
-            <property name="text">
-             <string>Next Bug Report Will Succeed</string>
             </property>
            </widget>
           </item>
@@ -956,19 +772,8 @@
   <tabstop>editDependencyLicenseLink</tabstop>
   <tabstop>editLandingPageLink</tabstop>
   <tabstop>editDiskCachePath</tabstop>
-  <tabstop>editOSType</tabstop>
   <tabstop>editOSVersion</tabstop>
   <tabstop>editEmailClient</tabstop>
-  <tabstop>editAddress</tabstop>
-  <tabstop>editDescription</tabstop>
-  <tabstop>spinEventDelay</tabstop>
-  <tabstop>buttonInternetOff</tabstop>
-  <tabstop>buttonInternetOn</tabstop>
-  <tabstop>buttonShowMainWindow</tabstop>
-  <tabstop>checkIsPortFree</tabstop>
-  <tabstop>checkNextCacheChangeWillSucceed</tabstop>
-  <tabstop>comboCacheError</tabstop>
-  <tabstop>checkNextBugReportWillSucceed</tabstop>
  </tabstops>
  <resources/>
  <connections/>

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/UsersTab.cpp

@@ -58,7 +58,7 @@ UsersTab::UsersTab(QWidget *parent)
     connect(ui_.checkSync, &QCheckBox::toggled, this, &UsersTab::onCheckSyncToggled);
     connect(ui_.sliderSync, &QSlider::valueChanged, this, &UsersTab::onSliderSyncValueChanged);
 
-    users_.append(randomUser());
+    users_.append(defaultUser());
 
     this->updateGUIState();
 }
@@ -85,7 +85,7 @@ void UsersTab::onAddUserButton() {
 //
 //****************************************************************************************************************************************************
 void UsersTab::onEditUserButton() {
-    int index = selectedIndex();
+    const int index = selectedIndex();
     if ((index < 0) || (index >= users_.userCount())) {
         return;
     }
@@ -110,7 +110,7 @@ void UsersTab::onEditUserButton() {
 //
 //****************************************************************************************************************************************************
 void UsersTab::onRemoveUserButton() {
-    int index = selectedIndex();
+    const int index = selectedIndex();
     if ((index < 0) || (index >= users_.userCount())) {
         return;
     }
@@ -127,7 +127,7 @@ void UsersTab::onRemoveUserButton() {
 //****************************************************************************************************************************************************
 //
 //****************************************************************************************************************************************************
-void UsersTab::onSelectionChanged(QItemSelection, QItemSelection) {
+void UsersTab::onSelectionChanged(QItemSelection const&, QItemSelection const&) {
     this->updateGUIState();
 }
 
@@ -137,7 +137,6 @@ void UsersTab::onSelectionChanged(QItemSelection, QItemSelection) {
 //****************************************************************************************************************************************************
 void UsersTab::onSendUserBadEvent() {
     SPUser const user = selectedUser();
-    int const index = this->selectedIndex();
 
     if (!user) {
         app().log().error(QString("%1 failed. Unkown user.").arg(__FUNCTION__));
@@ -175,8 +174,8 @@ void UsersTab::onSendUsedBytesChangedEvent() {
         app().log().error(QString("%1 failed. User is not connected").arg(__FUNCTION__));
     }
 
-    qint64 const usedBytes = qint64(ui_.spinUsedBytes->value());
+    auto const usedBytes = static_cast<qint64>(ui_.spinUsedBytes->value());
-    user->setUsedBytes(usedBytes);
+    user->setUsedBytes(static_cast<float>(usedBytes));
     users_.touch(index);
 
     GRPCService &grpc = app().grpc();
@@ -224,9 +223,10 @@ void UsersTab::updateGUIState() {
     QSignalBlocker b(ui_.checkSync);
     bool const syncing = user && user->isSyncing();
     ui_.checkSync->setChecked(syncing);
+    // ReSharper disable once CppDFAUnusedValue
     b = QSignalBlocker(ui_.sliderSync);
     ui_.sliderSync->setEnabled(syncing);
-    qint32 const progressPercent = syncing ? qint32(user->syncProgress() * 100.0f) : 0;
+    qint32 const progressPercent = syncing ? static_cast<qint32>(user->syncProgress() * 100.0f) : 0;
     ui_.sliderSync->setValue(progressPercent);
     ui_.labelSync->setText(syncing ? QString("%1%").arg(progressPercent) : "" );
 }
@@ -418,7 +418,7 @@ void UsersTab::processBadEventUserFeedback(QString const &userID, bool doResync)
         return; // we do not do any form of emulation for resync.
     }
 
-    SPUser user = users_.userWithID(userID);
+    SPUser const user = users_.userWithID(userID);
     if (!user) {
         app().log().error(QString("%1(): could not find user with id %1.").arg(__func__, userID));
     }
@@ -464,12 +464,12 @@ void UsersTab::onCheckSyncToggled(bool checked) {
 //****************************************************************************************************************************************************
 void UsersTab::onSliderSyncValueChanged(int value) {
     SPUser const user = this->selectedUser();
-    if ((!user) || (!user->isSyncing()) || user->syncProgress() == value) {
+    if ((!user) || (!user->isSyncing()) || user->syncProgress() == static_cast<float>(value)) {
         return;
     }
 
     double const progress = value / 100.0;
-    user->setSyncProgress(progress);
+    user->setSyncProgress(static_cast<float>(progress));
     app().grpc().sendEvent(newSyncProgressEvent(user->id(), progress, 1, 1));  // we do not simulate elapsed & remaining.
     this->updateGUIState();
 }

internal/frontend/bridge-gui/bridge-gui-tester/Tabs/UsersTab.h

@@ -53,14 +53,14 @@ public slots:
     void setUserSplitMode(QString const &userID, bool makeItActive); ///< Slot for the split mode.
     void logoutUser(QString const &userID); ///< slot for the logging out of a user.
     void removeUser(QString const &userID); ///< Slot for the removal of a user.
-    void configureUserAppleMail(QString const &userID, QString const &address); ///< Slot for the configuration of Apple mail.
+static void configureUserAppleMail(QString const &userID, QString const &address); ///< Slot for the configuration of Apple mail.
     void processBadEventUserFeedback(QString const& userID, bool doResync); ///< Slot for the reception of a bad event user feedback.
 
 private slots:
     void onAddUserButton(); ///< Add a user to the user list.
     void onEditUserButton(); ///< Edit the currently selected user.
     void onRemoveUserButton(); ///< Remove the currently selected user.
-    void onSelectionChanged(QItemSelection, QItemSelection); ///< Slot for the change of the selection.
+    void onSelectionChanged(QItemSelection const&, QItemSelection const&); ///< Slot for the change of the selection.
     void onSendUserBadEvent(); ///< Slot for the 'Send Bad Event Error' button.
     void onSendUsedBytesChangedEvent(); ///< Slot for the 'Send Used Bytes Changed Event' button.
     void onSendIMAPLoginFailedEvent(); ///< Slot for the 'Send IMAP Login failure Event' button.

internal/frontend/bridge-gui/bridge-gui-tester/UserDialog.cpp

@@ -26,7 +26,7 @@ using namespace bridgepp;
 /// \param[in] user The user.
 /// \param[in] parent The parent widget of the dialog.
 //****************************************************************************************************************************************************
-UserDialog::UserDialog(bridgepp::SPUser &user, QWidget *parent)
+UserDialog::UserDialog(const bridgepp::SPUser &user, QWidget *parent)
     : QDialog(parent)
     , user_(user) {
     ui_.setupUi(this);
@@ -57,8 +57,8 @@ void UserDialog::onOK() {
     user_->setAvatarText(ui_.editAvatarText->text());
     user_->setState(this->state());
     user_->setSplitMode(ui_.checkSplitMode->isChecked());
-    user_->setUsedBytes(float(ui_.spinUsedBytes->value()));
+    user_->setUsedBytes(static_cast<float>(ui_.spinUsedBytes->value()));
-    user_->setTotalBytes(float(ui_.spinTotalBytes->value()));
+    user_->setTotalBytes(static_cast<float>(ui_.spinTotalBytes->value()));
 
     this->accept();
 }
@@ -67,14 +67,14 @@ void UserDialog::onOK() {
 //****************************************************************************************************************************************************
 /// \return The user state  that is currently selected in the dialog.
 //****************************************************************************************************************************************************
-UserState UserDialog::state() {
+UserState UserDialog::state() const {
-    return UserState(ui_.comboState->currentIndex());
+    return static_cast<UserState>(ui_.comboState->currentIndex());
 }
 
 
 //****************************************************************************************************************************************************
 /// \param[in] state The user state to select in the dialog.
 //****************************************************************************************************************************************************
-void UserDialog::setState(UserState state) {
+void UserDialog::setState(UserState state) const {
-    ui_.comboState->setCurrentIndex(qint32(state));
+    ui_.comboState->setCurrentIndex(static_cast<qint32>(state));
 }

internal/frontend/bridge-gui/bridge-gui-tester/UserDialog.h

@@ -30,7 +30,7 @@
 class UserDialog : public QDialog {
 Q_OBJECT
 public: // member functions.
-    UserDialog(bridgepp::SPUser &user, QWidget *parent); ///< Default constructor.
+    UserDialog(const bridgepp::SPUser &user, QWidget *parent); ///< Default constructor.
     UserDialog(UserDialog const &) = delete; ///< Disabled copy-constructor.
     UserDialog(UserDialog &&) = delete; ///< Disabled assignment copy-constructor.
     ~UserDialog() override = default; ///< Destructor.
@@ -38,8 +38,8 @@ public: // member functions.
     UserDialog &operator=(UserDialog &&) = delete; ///< Disabled move assignment operator.
 
 private: // member functions
-    bridgepp::UserState state(); ///< Get the user state selected in the dialog.
+    bridgepp::UserState state() const; ///< Get the user state selected in the dialog.
-    void setState(bridgepp::UserState state); ///< Set the user state selected in the dialog
+    void setState(bridgepp::UserState state) const; ///< Set the user state selected in the dialog
 
 private slots:
     void onOK(); ///< Slot for the OK button.

internal/frontend/bridge-gui/bridge-gui-tester/UserTable.cpp

@@ -35,7 +35,7 @@ UserTable::UserTable(QObject *parent)
 /// \return The number of rows in the table.
 //****************************************************************************************************************************************************
 int UserTable::rowCount(QModelIndex const &) const {
-    return users_.size();
+    return static_cast<int>(users_.size());
 }
 
 
@@ -111,7 +111,7 @@ QVariant UserTable::headerData(int section, Qt::Orientation orientation, int rol
 /// \param[in] user The user to add.
 //****************************************************************************************************************************************************
 void UserTable::append(SPUser const &user) {
-    qint32 const count = users_.size();
+    qint32 const count = static_cast<int>(users_.size());
     this->beginInsertRows(QModelIndex(), count, count);
     users_.append(user);
     this->endInsertRows();
@@ -122,7 +122,7 @@ void UserTable::append(SPUser const &user) {
 /// \return The number of users in the table.
 //****************************************************************************************************************************************************
 qint32 UserTable::userCount() const {
-    return users_.count();
+    return static_cast<qint32>(users_.count());
 }
 
 
@@ -141,7 +141,7 @@ bridgepp::SPUser UserTable::userAtIndex(qint32 index) {
 /// \return A null pointer if the user is not in the list.
 //****************************************************************************************************************************************************
 bridgepp::SPUser UserTable::userWithID(QString const &userID) {
-    QList<SPUser>::const_iterator it = std::find_if(users_.constBegin(), users_.constEnd(), [&userID](SPUser const &user) -> bool {
+    QList<SPUser>::const_iterator const it = std::find_if(users_.constBegin(), users_.constEnd(), [&userID](SPUser const &user) -> bool {
         return user->id() == userID;
     });
 
@@ -155,7 +155,7 @@ bridgepp::SPUser UserTable::userWithID(QString const &userID) {
 /// \return A null pointer if the user is not in the list.
 //****************************************************************************************************************************************************
 bridgepp::SPUser UserTable::userWithUsernameOrEmail(QString const &username) {
-    QList<SPUser>::const_iterator it = std::find_if(users_.constBegin(), users_.constEnd(), [&username](SPUser const &user) -> bool {
+    QList<SPUser>::const_iterator const it = std::find_if(users_.constBegin(), users_.constEnd(), [&username](SPUser const &user) -> bool {
         if (user->username().compare(username, Qt::CaseInsensitive) == 0) {
             return true;
         }
@@ -172,7 +172,7 @@ bridgepp::SPUser UserTable::userWithUsernameOrEmail(QString const &username) {
 /// \return -1 if the user could not be found.
 //****************************************************************************************************************************************************
 qint32 UserTable::indexOfUser(QString const &userID) {
-    QList<SPUser>::const_iterator it = std::find_if(users_.constBegin(), users_.constEnd(), [&userID](SPUser const &user) -> bool {
+    QList<SPUser>::const_iterator const it = std::find_if(users_.constBegin(), users_.constEnd(), [&userID](SPUser const &user) -> bool {
         return user->id() == userID;
     });
 

internal/frontend/bridge-gui/bridge-gui-tester/UserTable.h

@@ -33,7 +33,7 @@ public: // member functions.
     explicit UserTable(QObject *parent); ///< Default constructor.
     UserTable(UserTable const &) = delete; ///< Disabled copy-constructor.
     UserTable(UserTable &&) = delete; ///< Disabled assignment copy-constructor.
-    ~UserTable() = default; ///< Destructor.
+    ~UserTable() override = default; ///< Destructor.
     UserTable &operator=(UserTable const &) = delete; ///< Disabled assignment operator.
     UserTable &operator=(UserTable &&) = delete; ///< Disabled move assignment operator.
     qint32 userCount() const; ///< Return the number of users in the table.

internal/frontend/bridge-gui/bridge-gui-tester/main.cpp

@@ -71,7 +71,7 @@ int main(int argc, char **argv) {
             app().log().error(message);
             qApp->exit(EXIT_FAILURE);
         });
-        UPOverseer overseer = std::make_unique<Overseer>(serverWorker, nullptr);
+        UPOverseer const overseer = std::make_unique<Overseer>(serverWorker, nullptr);
         overseer->startWorker(true);
 
         qint32 const exitCode = QApplication::exec();

internal/frontend/bridge-gui/bridge-gui/QMLBackend.cpp

@@ -294,11 +294,21 @@ bool QMLBackend::isTLSCertificateInstalled() {
 //****************************************************************************************************************************************************
 /// \param[in] url The URL of the knowledge base article. If empty/invalid, the home page for the Bridge knowledge base is opened.
 //****************************************************************************************************************************************************
-void QMLBackend::openKBArticle(QString const &url) {
+void QMLBackend::openExternalLink(QString const &url) {
     HANDLE_EXCEPTION(
         QString const u = url.isEmpty() ? bridgeKBUrl : url;
         QDesktopServices::openUrl(u);
-        emit notifyKBArticleClicked(u);
+        emit notifyExternalLinkClicked(u);
+    )
+}
+
+
+//****************************************************************************************************************************************************
+/// \param[in] categoryID The ID of the bug report category.
+//****************************************************************************************************************************************************
+void QMLBackend::requestKnowledgeBaseSuggestions(qint8 categoryID) const {
+    HANDLE_EXCEPTION(
+        app().grpc().requestKnowledgeBaseSuggestions(reportFlow_.collectUserInput(categoryID));
     )
 }
 
@@ -1062,9 +1072,9 @@ void QMLBackend::notifyAutoconfigClicked(QString const &client) const {
 //****************************************************************************************************************************************************
 /// \param[in] article The url of the KB article.
 //****************************************************************************************************************************************************
-void QMLBackend::notifyKBArticleClicked(QString const &article) const {
+void QMLBackend::notifyExternalLinkClicked(QString const &article) const {
     HANDLE_EXCEPTION(
-            app().grpc().KBArticleClicked(article);
+            app().grpc().externalLinkClicked(article);
     )
 }
 
@@ -1305,11 +1315,10 @@ void QMLBackend::connectGrpcEvents() {
     connect(client, &GRPCClient::certificateInstallCanceled, this, &QMLBackend::certificateInstallCanceled);
     connect(client, &GRPCClient::certificateInstallFailed, this, &QMLBackend::certificateInstallFailed);
     connect(client, &GRPCClient::showMainWindow, [&]() { this->showMainWindow("gRPC showMainWindow event"); });
+    connect(client, &GRPCClient::knowledgeBasSuggestionsReceived, this, &QMLBackend::receivedKnowledgeBaseSuggestions);
 
     // cache events
-    connect(client, &GRPCClient::diskCacheUnavailable, this, &QMLBackend::diskCacheUnavailable);
     connect(client, &GRPCClient::cantMoveDiskCache, this, &QMLBackend::cantMoveDiskCache);
-    connect(client, &GRPCClient::diskFull, this, &QMLBackend::diskFull);
     connect(client, &GRPCClient::diskCachePathChanged, this, &QMLBackend::diskCachePathChanged);
     connect(client, &GRPCClient::diskCachePathChangeFinished, this, &QMLBackend::diskCachePathChangeFinished);
 
@@ -1354,7 +1363,6 @@ void QMLBackend::connectGrpcEvents() {
     connect(client, &GRPCClient::rebuildKeychain, this, &QMLBackend::notifyRebuildKeychain);
 
     // mail events
-    connect(client, &GRPCClient::noActiveKeyForRecipient, this, &QMLBackend::noActiveKeyForRecipient);
     connect(client, &GRPCClient::addressChanged, this, &QMLBackend::addressChanged);
     connect(client, &GRPCClient::addressChangedLogout, this, &QMLBackend::addressChangedLogout);
     connect(client, &GRPCClient::apiCertIssue, this, &QMLBackend::apiCertIssue);

internal/frontend/bridge-gui/bridge-gui/QMLBackend.h

@@ -65,7 +65,8 @@ public: // member functions.
     Q_INVOKABLE QString collectAnswers(quint8 categoryId) const; ///< Collect answer for a given set of questions.
     Q_INVOKABLE void clearAnswers(); ///< Clear all collected answers.
     Q_INVOKABLE bool isTLSCertificateInstalled(); ///< Check if the bridge certificate is installed in the OS keychain.
-    Q_INVOKABLE void openKBArticle(QString const & url = QString()); ///< Open a knowledge base article.
+    Q_INVOKABLE void openExternalLink(QString const & url = QString()); ///< Open a knowledge base article.
+    Q_INVOKABLE void requestKnowledgeBaseSuggestions(qint8 categoryID) const; ///< Request knowledgebase article suggestions.
 
 public: // Qt/QML properties. Note that the NOTIFY-er signal is required even for read-only properties (QML warning otherwise)
     Q_PROPERTY(bool showOnStartup READ showOnStartup NOTIFY showOnStartupChanged)
@@ -205,7 +206,7 @@ public slots: // slot for signals received from QML -> To be forwarded to Bridge
     void sendBadEventUserFeedback(QString const &userID, bool doResync); ///< Slot the providing user feedback for a bad event.
     void notifyReportBugClicked() const; ///< Slot for the ReportBugClicked gRPC event.
     void notifyAutoconfigClicked(QString const &client) const; ///< Slot for gAutoconfigClicked gRPC event.
-    void notifyKBArticleClicked(QString const &article) const; ///< Slot for KBArticleClicked gRPC event.
+    void notifyExternalLinkClicked(QString const &article) const; ///< Slot for KBArticleClicked gRPC event.
 
 public slots: // slots for functions that need to be processed locally.
     void setNormalTrayIcon(); ///< Set the tray icon to normal.
@@ -224,10 +225,8 @@ public slots: // slot for signals received from gRPC that need transformation in
 
 signals: // Signals received from the Go backend, to be forwarded to QML
     void toggleAutostartFinished(); ///< Signal for the 'toggleAutostartFinished' gRPC stream event.
-    void diskCacheUnavailable(); ///< Signal for the 'diskCacheUnavailable' gRPC stream event.
     void cantMoveDiskCache(); ///< Signal for the 'cantMoveDiskCache' gRPC stream event.
     void diskCachePathChangeFinished(); ///< Signal for the 'diskCachePathChangeFinished' gRPC stream event.
-    void diskFull(); ///< Signal for the 'diskFull' gRPC stream event.
     void loginUsernamePasswordError(QString const &errorMsg); ///< Signal for the 'loginUsernamePasswordError' gRPC stream event.
     void loginFreeUserError(); ///< Signal for the 'loginFreeUserError' gRPC stream event.
     void loginConnectionError(QString const &errorMsg); ///< Signal for the 'loginConnectionError' gRPC stream event.
@@ -258,7 +257,6 @@ signals: // Signals received from the Go backend, to be forwarded to QML
     void changeKeychainFinished(); ///< Signal for the 'changeKeychainFinished' gRPC stream event.
     void notifyHasNoKeychain(); ///< Signal for the 'notifyHasNoKeychain' gRPC stream event.
     void notifyRebuildKeychain(); ///< Signal for the 'notifyRebuildKeychain' gRPC stream event.
-    void noActiveKeyForRecipient(QString const &email); ///< Signal for the 'noActiveKeyForRecipient' gRPC stream event.
     void addressChanged(QString const &address); ///< Signal for the 'addressChanged' gRPC stream event.
     void addressChangedLogout(QString const &address); ///< Signal for the 'addressChangedLogout' gRPC stream event.
     void apiCertIssue(); ///< Signal for the 'apiCertIssue' gRPC stream event.
@@ -281,6 +279,7 @@ signals: // Signals received from the Go backend, to be forwarded to QML
     void selectUser(QString const& userID, bool forceShowWindow); ///< Signal emitted in order to selected a user with a given ID in the list.
     void genericError(QString const &title, QString const &description); ///< Signal for the 'genericError' gRPC stream event.
     void imapLoginWhileSignedOut(QString const& username); ///< Signal for the notification of IMAP login attempt on a signed out account.
+    void receivedKnowledgeBaseSuggestions(QList<bridgepp::KnowledgeBaseSuggestion> const& suggestions); ///< Signal for the reception of knowledgebase article suggestions.
 
     // This signal is emitted when an exception is intercepted is calls triggered by QML. QML engine would intercept the exception otherwise.
     void fatalError(bridgepp::Exception const& e) const; ///< Signal emitted when an fatal error occurs.

internal/frontend/bridge-gui/bridge-gui/Resources.qrc

@@ -5,11 +5,6 @@
         <file>qml/AccountView.qml</file>
         <file>qml/Banner.qml</file>
         <file>qml/Bridge.qml</file>
-        <file>qml/BugCategoryView.qml</file>
-        <file>qml/BugQuestionView.qml</file>
-        <file>qml/BugReportFlow.qml</file>
-        <file>qml/BugReportView.qml</file>
-        <file>qml/CategoryItem.qml</file>
         <file>qml/Configuration.qml</file>
         <file>qml/ConfigurationItem.qml</file>
         <file>qml/ContentWrapper.qml</file>
@@ -89,6 +84,12 @@
         <file>qml/Notifications/Notifications.qml</file>
         <file>qml/Notifications/qmldir</file>
         <file>qml/PortSettings.qml</file>
+        <file>qml/BugReport/BugCategoryView.qml</file>
+        <file>qml/BugReport/BugQuestionView.qml</file>
+        <file>qml/BugReport/BugReportFlow.qml</file>
+        <file>qml/BugReport/BugReportView.qml</file>
+        <file>qml/BugReport/CategoryItem.qml</file>
+        <file>qml/BugReport/QuestionItem.qml</file>
         <file>qml/Proton/Action.qml</file>
         <file>qml/Proton/ApplicationWindow.qml</file>
         <file>qml/Proton/Button.qml</file>
@@ -96,6 +97,7 @@
         <file>qml/Proton/ColorScheme.qml</file>
         <file>qml/Proton/ComboBox.qml</file>
         <file>qml/Proton/Dialog.qml</file>
+        <file>qml/Proton/InfoTooltip.qml</file>
         <file>qml/Proton/Label.qml</file>
         <file>qml/Proton/LinkLabel.qml</file>
         <file>qml/Proton/Menu.qml</file>
@@ -108,7 +110,6 @@
         <file>qml/Proton/TextArea.qml</file>
         <file>qml/Proton/TextField.qml</file>
         <file>qml/Proton/Toggle.qml</file>
-        <file>qml/QuestionItem.qml</file>
         <file>qml/Resources/bug_report_flow.json</file>
         <file>qml/Resources/Help/Template.html</file>
         <file>qml/Resources/Help/WhyBridge.html</file>

internal/frontend/bridge-gui/bridge-gui/qml/Banner.qml

@@ -84,6 +84,7 @@ Popup {
                 anchors.topMargin: 14
                 spacing: 8
 
+
                 ColorImage {
                     Layout.preferredHeight: 24
                     Layout.preferredWidth: 24
@@ -108,14 +109,29 @@ Popup {
                     sourceSize.width: 24
                     width: 24
                 }
-                Label {
+                ColumnLayout {
-                    Layout.alignment: Qt.AlignVCenter
+                    Layout.alignment: Qt.AlignTop
                     Layout.fillWidth: true
                     Layout.leftMargin: 16
-                    color: root.colorScheme.text_invert
+                    Label {
-                    colorScheme: root.colorScheme
+                        id: messageLabel
-                    text: root.notification ? root.notification.description : ""
+                        Layout.alignment: Qt.AlignTop
-                    wrapMode: Text.WordWrap
+                        Layout.fillWidth: true
+                        color: root.colorScheme.text_invert
+                        colorScheme: root.colorScheme
+                        text: root.notification ? root.notification.description : ""
+                        wrapMode: Text.WordWrap
+                    }
+                    LinkLabel {
+                        Layout.alignment: Qt.AlignTop | Qt.AlignLeft
+                        Layout.fillWidth: true
+                        colorScheme: root.colorScheme
+                        color: messageLabel.color
+                        external: true
+                        link: root.notification ? root.notification.linkUrl : ""
+                        text: root.notification ? root.notification.linkText : ""
+                        visible: root.notification && root.notification.linkUrl.length > 0
+                    }
                 }
             }
         }

internal/frontend/bridge-gui/bridge-gui/qml/Bridge.qml

@@ -34,9 +34,6 @@ QtObject {
             function onColorSchemeNameChanged(scheme) {
                 root.setColorScheme();
             }
-            function onDiskCacheUnavailable() {
-                mainWindow.showAndRise();
-            }
             function onHideMainWindow() {
                 mainWindow.hide();
             }

internal/frontend/bridge-gui/bridge-gui/qml/BugReport/BugCategoryView.qml

@@ -14,6 +14,7 @@ import QtQuick
 import QtQuick.Layouts
 import QtQuick.Controls
 import Proton
+import ".."
 
 SettingsView {
     id: root

internal/frontend/bridge-gui/bridge-gui/qml/BugReport/BugQuestionView.qml

@@ -14,6 +14,7 @@ import QtQuick
 import QtQuick.Layouts
 import QtQuick.Controls
 import Proton
+import ".."
 
 SettingsView {
     id: root

internal/frontend/bridge-gui/bridge-gui/qml/BugReport/BugReportFlow.qml

@@ -15,6 +15,7 @@ import QtQuick.Layouts
 import QtQuick.Controls
 import Proton
 import Notifications
+import ".."
 
 Item {
     id: root
@@ -35,7 +36,7 @@ Item {
     }
     function showBugQuestion() {
         bugQuestion.setCategoryId(root.categoryId);
-        bugQuestion.positionViewAtBegining();
+        bugQuestion.positionViewAtBeginning();
         bugReportFlow.currentIndex = 1;
     }
     function showBugReport() {
@@ -77,6 +78,7 @@ Item {
                     root.showBugCategory();
                 }
                 onQuestionAnswered: {
+                    Backend.requestKnowledgeBaseSuggestions(categoryId);
                     root.showBugReport();
                 }
             }

internal/frontend/bridge-gui/bridge-gui/qml/BugReport/BugReportView.qml

@@ -0,0 +1,201 @@
+// 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/>.
+import QtQuick
+import QtQuick.Layouts
+import QtQuick.Controls
+import Proton
+import ".."
+
+SettingsView {
+    id: root
+    property var selectedAddress
+    property var categoryId: -1
+    property string category: Backend.getBugCategory(root.categoryId)
+    property var suggestions: null
+
+    signal bugReportWasSent
+
+    function isValidEmail(text) {
+        const reEmail = /^[^@]+@[^@]+\.[A-Za-z]+\s*$/;
+        return reEmail.test(text);
+    }
+
+    function setCategoryId(catId) {
+        root.categoryId = catId;
+    }
+
+    function setDefaultValue() {
+        description.text = Backend.collectAnswers(root.categoryId);
+        address.text = root.selectedAddress;
+        emailClient.text = Backend.currentEmailClient;
+        includeLogs.checked = true;
+    }
+
+    function submit() {
+        sendButton.loading = true;
+        Backend.reportBug(root.category, description.text, address.text, emailClient.text, includeLogs.checked);
+    }
+
+    fillHeight: true
+
+    onVisibleChanged: {
+        root.setDefaultValue();
+    }
+
+    ColumnLayout {
+        spacing: 32
+
+        Label {
+            colorScheme: root.colorScheme
+            text: qsTr("Send report")
+            type: Label.Heading
+        }
+        TextArea {
+            id: description
+
+            KeyNavigation.priority: KeyNavigation.BeforeItem
+            KeyNavigation.tab: address
+            Layout.fillHeight: true
+            Layout.fillWidth: true
+            Layout.minimumHeight: heightForLinesVisible(4)
+            colorScheme: root.colorScheme
+            textFormat: Text.MarkdownText
+            // set implicitHeight to explicit height because se don't
+            // want TextArea implicitHeight (which is height of all text)
+            // to be considered in SettingsView internal scroll view
+            implicitHeight: height
+            label: "Your answers to: " + qsTr(root.category);
+            readOnly: true
+        }
+
+        ColumnLayout {
+            id: suggestionBox
+            visible: suggestions && suggestions.length > 0
+            spacing: 8
+            RowLayout {
+                Label {
+                    colorScheme: root.colorScheme
+                    text: qsTr("We believe these links may help you solve your problem")
+                    type: Label.Body_semibold
+                }
+                InfoTooltip {
+                    colorScheme: root.colorScheme
+                    text: qsTr("The links will open in an external browser. If you cancel the report, your input will be preserved until you restart Bridge.")
+                    Layout.bottomMargin: -4
+                }
+            }
+            Repeater {
+                model: suggestions
+                LinkLabel {
+                    required property var modelData
+                    colorScheme: root.colorScheme
+                    text: modelData.title
+                    link: modelData.url
+                    external: true
+                }
+            }
+        }
+
+        RowLayout {
+            spacing: 12
+
+            TextField {
+                id: address
+                Layout.preferredWidth: 1
+                Layout.fillWidth: true
+                colorScheme: root.colorScheme
+                label: qsTr("Your contact email")
+                placeholderText: qsTr("e.g. jane.doe@protonmail.com")
+                validator: function (str) {
+                    if (!isValidEmail(str)) {
+                        return qsTr("Enter valid email address");
+                    }
+                }
+            }
+            TextField {
+                id: emailClient
+                Layout.preferredWidth: 1
+                Layout.fillWidth: true
+                colorScheme: root.colorScheme
+                label: qsTr("Your email client (including version)")
+                placeholderText: qsTr("e.g. Apple Mail 14.0")
+                validator: function (str) {
+                    if (str.length === 0) {
+                        return qsTr("Enter an email client name and version");
+                    }
+                }
+            }
+        }
+        RowLayout {
+            spacing: 12
+
+            CheckBox {
+                id: includeLogs
+                checked: true
+                colorScheme: root.colorScheme
+                text: qsTr("Include my recent logs")
+            }
+
+            Button {
+                colorScheme: root.colorScheme
+                secondary: true
+                text: qsTr("View logs")
+
+                onClicked: Backend.openExternalLink(Backend.logsPath)
+            }
+
+            Label {
+                Layout.fillWidth: true
+                verticalAlignment: Qt.AlignVCenter
+                colorScheme: root.colorScheme
+                type: Label.Caption
+                color: root.colorScheme.text_weak
+                text: qsTr("Reports are not end-to-end encrypted, please do not send any sensitive information.")
+                wrapMode: Text.WordWrap
+            }
+        }
+
+        Button {
+            id: sendButton
+            colorScheme: root.colorScheme
+            enabled: !loading
+            text: qsTr("Send")
+
+            onClicked: {
+                description.validate();
+                address.validate();
+                emailClient.validate();
+                if (description.error || address.error || emailClient.error) {
+                    return;
+                }
+                submit();
+            }
+
+            Connections {
+                function onBugReportSendSuccess() {
+                    root.bugReportWasSent();
+                }
+
+                function onReportBugFinished() {
+                    sendButton.loading = false;
+                }
+
+                function onReceivedKnowledgeBaseSuggestions(suggestions) {
+                    root.suggestions = suggestions
+                }
+
+                target: Backend
+            }
+        }
+    }
+}

internal/frontend/bridge-gui/bridge-gui/qml/BugReport/CategoryItem.qml

@@ -14,6 +14,7 @@ import QtQuick
 import QtQuick.Layouts
 import QtQuick.Controls
 import Proton
+import ".."
 
 Item {
     id: root
@@ -32,7 +33,7 @@ Item {
 
     RowLayout {
         anchors.fill: parent
-        spacing: 16
+        spacing: 12
 
         Label {
             id: mainLabel
@@ -44,42 +45,13 @@ Item {
             wrapMode: Text.WordWrap
         }
 
-        ColorImage {
+        InfoTooltip {
-            id: infoImage
             Layout.alignment: Qt.AlignVCenter
+            Layout.topMargin: 4
             Layout.bottomMargin: root._bottomMargin
-            color: root.colorScheme.interaction_norm
+            colorScheme: root.colorScheme
-            height: 21
+            text: root.hint
-            width: 21
+            size: 16
-            source: "/qml/icons/ic-info-circle.svg"
-            sourceSize.height: 21
-            sourceSize.width: 21
-            visible: root.hint !== ""
-            MouseArea {
-                id: imageArea
-                anchors.fill: infoImage
-                hoverEnabled: true
-            }
-            ToolTip {
-                id: toolTipinfo
-                text: root.hint
-                visible: imageArea.containsMouse
-                implicitWidth: Math.min(400, tooltipText.implicitWidth)
-                background: Rectangle {
-                    radius: 4
-                    border.color: root.colorScheme.border_weak
-                    color: root.colorScheme.background_weak
-                }
-                contentItem: Text {
-                    id: tooltipText
-                    color: root.colorScheme.text_hint
-                    text: toolTipinfo.text
-                    wrapMode: Text.WordWrap
-
-                    horizontalAlignment: Text.AlignHCenter
-                    verticalAlignment: Text.AlignVCenter
-                }
-            }
         }
 
         // fill height so the footer label will always be attached to the bottom

internal/frontend/bridge-gui/bridge-gui/qml/BugReportView.qml

@@ -1,161 +0,0 @@
-// 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/>.
-import QtQuick
-import QtQuick.Layouts
-import QtQuick.Controls
-import Proton
-
-SettingsView {
-    id: root
-
-    property var selectedAddress
-    property var categoryId:-1
-    property string category: Backend.getBugCategory(root.categoryId)
-
-    signal bugReportWasSent
-
-    function isValidEmail(text) {
-        const reEmail = /^[^@]+@[^@]+\.[A-Za-z]+\s*$/;
-        return reEmail.test(text);
-    }
-
-    function setCategoryId(catId) {
-        root.categoryId = catId;
-    }
-
-    function setDefaultValue() {
-        description.text = Backend.collectAnswers(root.categoryId);
-        address.text = root.selectedAddress;
-        emailClient.text = Backend.currentEmailClient;
-        includeLogs.checked = true;
-    }
-
-    function submit() {
-        sendButton.loading = true;
-        Backend.reportBug(root.category, description.text, address.text, emailClient.text, includeLogs.checked);
-    }
-
-    fillHeight: true
-
-    onVisibleChanged: {
-        root.setDefaultValue();
-    }
-
-    Label {
-        colorScheme: root.colorScheme
-        text: qsTr("Send report")
-        type: Label.Heading
-    }
-    TextArea {
-        id: description
-
-        KeyNavigation.priority: KeyNavigation.BeforeItem
-        KeyNavigation.tab: address
-        Layout.fillHeight: true
-        Layout.fillWidth: true
-        Layout.minimumHeight: heightForLinesVisible(4)
-        colorScheme: root.colorScheme
-        textFormat: Text.MarkdownText
-
-        // set implicitHeight to explicit height because se don't
-        // want TextArea implicitHeight (which is height of all text)
-        // to be considered in SettingsView internal scroll view
-        implicitHeight: height
-        label: "Your answers to: " + qsTr(root.category);
-        readOnly : true
-    }
-    TextField {
-        id: address
-        Layout.fillWidth: true
-        colorScheme: root.colorScheme
-        label: qsTr("Your contact email")
-        placeholderText: qsTr("e.g. jane.doe@protonmail.com")
-        validator: function (str) {
-            if (!isValidEmail(str)) {
-                return qsTr("Enter valid email address");
-            }
-            return;
-        }
-    }
-    TextField {
-        id: emailClient
-        Layout.fillWidth: true
-        colorScheme: root.colorScheme
-        label: qsTr("Your email client (including version)")
-        placeholderText: qsTr("e.g. Apple Mail 14.0")
-        validator: function (str) {
-            if (str.length === 0) {
-                return qsTr("Enter an email client name and version");
-            }
-            return;
-        }
-    }
-    RowLayout {
-        CheckBox {
-            id: includeLogs
-            checked: true
-            colorScheme: root.colorScheme
-            text: qsTr("Include my recent logs")
-        }
-        Button {
-            Layout.leftMargin: 12
-            colorScheme: root.colorScheme
-            secondary: true
-            text: qsTr("View logs")
-
-            onClicked: Qt.openUrlExternally(Backend.logsPath)
-        }
-    }
-    TextEdit {
-        Layout.fillWidth: true
-        color: root.colorScheme.text_weak
-        font.family: ProtonStyle.font_family
-        font.letterSpacing: ProtonStyle.caption_letter_spacing
-        font.pixelSize: ProtonStyle.caption_font_size
-        font.weight: ProtonStyle.fontWeight_400
-        readOnly: true
-        selectByMouse: true
-        selectedTextColor: root.colorScheme.text_invert
-        // No way to set lineHeight: ProtonStyle.caption_line_height
-        selectionColor: root.colorScheme.interaction_norm
-        text: qsTr("Reports are not end-to-end encrypted, please do not send any sensitive information.")
-        wrapMode: Text.WordWrap
-    }
-    Button {
-        id: sendButton
-        colorScheme: root.colorScheme
-        enabled: !loading
-        text: qsTr("Send")
-
-        onClicked: {
-            description.validate();
-            address.validate();
-            emailClient.validate();
-            if (description.error || address.error || emailClient.error) {
-                return;
-            }
-            submit();
-        }
-
-        Connections {
-            function onBugReportSendSuccess() {
-                root.bugReportWasSent();
-            }
-            function onReportBugFinished() {
-                sendButton.loading = false;
-            }
-
-            target: Backend
-        }
-    }
-}

internal/frontend/bridge-gui/bridge-gui/qml/ContentWrapper.qml

@@ -15,6 +15,7 @@ import QtQuick.Layouts
 import QtQuick.Controls
 import Proton
 import Notifications
+import "BugReport"
 
 Item {
     id: root

internal/frontend/bridge-gui/bridge-gui/qml/HelpView.qml

@@ -36,7 +36,7 @@ SettingsView {
         type: SettingsItem.PrimaryButton
 
         onClicked: {
-            Backend.openKBArticle();
+            Backend.openExternalLink();
         }
     }
     SettingsItem {
@@ -70,7 +70,7 @@ SettingsView {
         text: qsTr("Logs")
         type: SettingsItem.Button
 
-        onClicked: Qt.openUrlExternally(Backend.logsPath)
+        onClicked: Backend.openExternalLink(Backend.logsPath)
     }
     SettingsItem {
         id: reportBug
@@ -103,7 +103,7 @@ SettingsView {
         type: Label.Caption
 
         onLinkActivated: function (link) {
-            Qt.openUrlExternally(link)
+            Backend.openExternalLink(link)
         }
     }
 }

internal/frontend/bridge-gui/bridge-gui/qml/MainWindow.qml

@@ -18,6 +18,7 @@ import QtQuick.Controls
 import Proton
 import Notifications
 import "SetupWizard"
+import "BugReport"
 
 ApplicationWindow {
     id: root

internal/frontend/bridge-gui/bridge-gui/qml/NotificationDialog.qml

@@ -71,7 +71,7 @@ Dialog {
             wrapMode: Text.WordWrap
 
             onLinkActivated: function (link) {
-                Qt.openUrlExternally(link);
+                Backend.openExternalLink(link);
             }
         }
         Item {
@@ -82,6 +82,17 @@ Dialog {
             implicitWidth: additionalChildrenContainer.childrenRect.width
             visible: children.length > 0
         }
+        LinkLabel {
+            Layout.alignment: Qt.AlignHCenter
+            Layout.bottomMargin: 32
+            colorScheme: root.colorScheme
+            external: true
+            link: notification.linkUrl
+            text: notification.linkText
+            visible: notification.linkUrl.length > 0
+
+        }
+
         ColumnLayout {
             spacing: 8
 

internal/frontend/bridge-gui/bridge-gui/qml/NotificationPopups.qml

@@ -61,18 +61,10 @@ Item {
         colorScheme: root.colorScheme
         notification: root.notifications.enableBeta
     }
-    NotificationDialog {
-        colorScheme: root.colorScheme
-        notification: root.notifications.cacheUnavailable
-    }
     NotificationDialog {
         colorScheme: root.colorScheme
         notification: root.notifications.cacheCantMove
     }
-    NotificationDialog {
-        colorScheme: root.colorScheme
-        notification: root.notifications.diskFull
-    }
     NotificationDialog {
         colorScheme: root.colorScheme
         notification: root.notifications.enableSplitMode
@@ -101,10 +93,6 @@ Item {
         colorScheme: root.colorScheme
         notification: root.notifications.apiCertIssue
     }
-    NotificationDialog {
-        colorScheme: root.colorScheme
-        notification: root.notifications.noActiveKeyForRecipient
-    }
     NotificationDialog {
         colorScheme: root.colorScheme
         notification: root.notifications.userBadEvent

internal/frontend/bridge-gui/bridge-gui/qml/Notifications/Notification.qml

@@ -24,19 +24,17 @@ QtObject {
 
     property list<Action> action
     property bool active: false
-    // brief is used in status view only
+    property string brief // brief is used in status view only
-    property string brief
     default property var children
     property var data
-    // description is used in banners and in dialogs as description
+    property string description // description is used in banners and in dialogs as description
-    property string description
     property bool dismissed: false
     property int group
     property string icon
+    property string linkUrl: ""
+    property string linkText: ""
     readonly property var occurred: active ? new Date() : undefined
-
+    property string title // title is used in dialogs only
-    // title is used in dialogs only
-    property string title
     property int type
 
     onActiveChanged: {

internal/frontend/bridge-gui/bridge-gui/qml/Notifications/Notifications.qml

@@ -28,31 +28,15 @@ QtObject {
         Dialogs = 64
     }
 
-    // Other
-    property Notification accountChanged: Notification {
-        brief: qsTr("Address list changed")
-        description: qsTr("The address list for .... account has changed. You need to reconfigure your email client.")
-        group: Notifications.Group.Configuration
-        icon: "./icons/ic-exclamation-circle-filled.svg"
-        type: Notification.NotificationType.Danger
-
-        action: Action {
-            text: qsTr("Reconfigure")
-
-            onTriggered:
-            // TODO: open configuration window here
-            {
-            }
-        }
-    }
     property Notification addressChanged: Notification {
         brief: title
         description: qsTr("The address list for your account has changed. You might need to reconfigure your email client.")
         group: Notifications.Group.Configuration
         icon: "./icons/ic-exclamation-circle-filled.svg"
+        linkText: qsTr("Learn more about address list changes")
+        linkUrl: "https://proton.me/support/bridge-address-list-has-changed"
         title: qsTr("Address list changes")
         type: Notification.NotificationType.Warning
-
         action: [
             Action {
                 text: qsTr("OK")
@@ -76,7 +60,7 @@ QtObject {
             target: Backend
         }
     }
-    property var all: [root.noInternet, root.imapPortStartupError, root.smtpPortStartupError, root.imapPortChangeError, root.smtpPortChangeError, root.imapConnectionModeChangeError, root.smtpConnectionModeChangeError, root.updateManualReady, root.updateManualRestartNeeded, root.updateManualError, root.updateForce, root.updateForceError, root.updateSilentRestartNeeded, root.updateSilentError, root.updateIsLatestVersion, root.loginConnectionError, root.onlyPaidUsers, root.alreadyLoggedIn, root.enableBeta, root.bugReportSendSuccess, root.bugReportSendError, root.bugReportSendFallback, root.cacheUnavailable, root.cacheCantMove, root.accountChanged, root.diskFull, root.cacheLocationChangeSuccess, root.enableSplitMode, root.resetBridge, root.changeAllMailVisibility, root.deleteAccount, root.noKeychain, root.rebuildKeychain, root.addressChanged, root.apiCertIssue, root.noActiveKeyForRecipient, root.userBadEvent, root.imapLoginWhileSignedOut, root.genericError, root.genericQuestion]
+    property var all: [root.noInternet, root.imapPortStartupError, root.smtpPortStartupError, root.imapPortChangeError, root.smtpPortChangeError, root.imapConnectionModeChangeError, root.smtpConnectionModeChangeError, root.updateManualReady, root.updateManualRestartNeeded, root.updateManualError, root.updateForce, root.updateForceError, root.updateSilentRestartNeeded, root.updateSilentError, root.updateIsLatestVersion, root.loginConnectionError, root.onlyPaidUsers, root.alreadyLoggedIn, root.enableBeta, root.bugReportSendSuccess, root.bugReportSendError, root.bugReportSendFallback, root.cacheCantMove, root.cacheLocationChangeSuccess, root.enableSplitMode, root.resetBridge, root.changeAllMailVisibility, root.deleteAccount, root.noKeychain, root.rebuildKeychain, root.addressChanged, root.apiCertIssue, root.userBadEvent, root.imapLoginWhileSignedOut, root.genericError, root.genericQuestion]
     property Notification alreadyLoggedIn: Notification {
         brief: qsTr("Already signed in")
         description: qsTr("This account is already signed in.")
@@ -104,9 +88,11 @@ QtObject {
     }
     property Notification apiCertIssue: Notification {
         brief: qsTr("Cannot establish secure connection")
-        description: qsTr("Bridge cannot verify the authenticity of Proton servers on your current network due to a TLS certificate error. " + "Start Bridge again after ensuring your connection is secure and/or connecting to a VPN. Learn more about TLS pinning " + "<a href=\"https://proton.me/blog/tls-ssl-certificate#Extra-security-precautions-taken-by-ProtonMail\">here</a>.")
+        description: qsTr("Bridge cannot verify the authenticity of Proton servers on your current network due to a TLS certificate error. Start Bridge again after ensuring your connection is secure and/or connecting to a VPN.")
         group: Notifications.Group.Dialogs | Notifications.Group.Connection
         icon: "./icons/ic-exclamation-circle-filled.svg"
+        linkText: qsTr("Learn mode about TLS pinning")
+        linkUrl: "https://proton.me/blog/tls-ssl-certificate#Extra-security-precautions-taken-by-ProtonMail"
         title: qsTr("Unable to establish a \nsecure connection to \nProton servers")
         type: Notification.NotificationType.Danger
 
@@ -208,6 +194,8 @@ QtObject {
         description: qsTr("The location you have selected is not available. Make sure you have enough free space or choose another location.")
         group: Notifications.Group.Configuration | Notifications.Group.Dialogs
         icon: "./icons/ic-exclamation-circle-filled.svg"
+        linkText: qsTr("Learn more about cache relocation issues")
+        linkUrl: "https://proton.me/support/bridge-cant-move-cache"
         title: qsTr("Can’t move cache")
         type: Notification.NotificationType.Warning
 
@@ -263,43 +251,6 @@ QtObject {
             target: Backend
         }
     }
-
-    // Cache
-    property Notification cacheUnavailable: Notification {
-        brief: title
-        description: qsTr("The current cache location is unavailable. Check the directory or change it in your settings.")
-        group: Notifications.Group.Configuration | Notifications.Group.Dialogs
-        icon: "./icons/ic-exclamation-circle-filled.svg"
-        title: qsTr("Cache location is unavailable")
-        type: Notification.NotificationType.Warning
-
-        action: [
-            Action {
-                text: qsTr("Quit Bridge")
-
-                onTriggered: {
-                    Backend.quit();
-                    root.cacheUnavailable.active = false;
-                }
-            },
-            Action {
-                text: qsTr("Change location")
-
-                onTriggered: {
-                    root.cacheUnavailable.active = false;
-                    root.frontendMain.showLocalCacheSettings();
-                }
-            }
-        ]
-
-        Connections {
-            function onDiskCacheUnavailable() {
-                root.cacheUnavailable.active = true;
-            }
-
-            target: Backend
-        }
-    }
     property Notification changeAllMailVisibility: Notification {
         property var isVisibleNow
 
@@ -378,41 +329,6 @@ QtObject {
             target: root
         }
     }
-    property Notification diskFull: Notification {
-        brief: title
-        description: qsTr("Quit Bridge and free disk space or move the local cache to another disk.")
-        group: Notifications.Group.Configuration | Notifications.Group.Dialogs
-        icon: "./icons/ic-exclamation-circle-filled.svg"
-        title: qsTr("Your disk is almost full")
-        type: Notification.NotificationType.Warning
-
-        action: [
-            Action {
-                text: qsTr("Quit Bridge")
-
-                onTriggered: {
-                    Backend.quit();
-                    root.diskFull.active = false;
-                }
-            },
-            Action {
-                text: qsTr("Settings")
-
-                onTriggered: {
-                    root.diskFull.active = false;
-                    root.frontendMain.showLocalCacheSettings();
-                }
-            }
-        ]
-
-        Connections {
-            function onDiskFull() {
-                root.diskFull.active = true;
-            }
-
-            target: Backend
-        }
-    }
     property Notification enableBeta: Notification {
         brief: title
         description: qsTr("Be the first to get new updates and use new features. Bridge will update to the latest beta version.")
@@ -454,6 +370,8 @@ QtObject {
         description: qsTr("Changing between split and combined address mode will require you to delete your account(s) from your email client and begin the setup process from scratch.")
         group: Notifications.Group.Configuration | Notifications.Group.Dialogs
         icon: "./icons/ic-question-circle.svg"
+        linkText: qsTr("Learn more about split mode")
+        linkUrl: "https://proton.me/support/difference-combined-addresses-mode-split-addresses-mode"
         title: qsTr("Enable split mode?")
         type: Notification.NotificationType.Warning
 
@@ -600,7 +518,9 @@ QtObject {
         description: "#PlaceHolderText"
         group: Notifications.Group.Connection
         icon: "./icons/ic-exclamation-circle-filled.svg"
-        title: qsTr("IMAP Login failed")
+        linkText: qsTr("Learn more about IMAP login issues")
+        linkUrl: "https://proton.me/support/bridge-imap-login-failed"
+        title: qsTr("IMAP login failed")
         type: Notification.NotificationType.Danger
 
         action: [
@@ -627,6 +547,8 @@ QtObject {
         description: qsTr("The IMAP port could not be changed.")
         group: Notifications.Group.Connection
         icon: "./icons/ic-alert.svg"
+        linkText: qsTr("Learn more about IMAP port issues")
+        linkUrl: "https://proton.me/support/port-already-occupied-error"
         type: Notification.NotificationType.Danger
 
         Connections {
@@ -642,6 +564,8 @@ QtObject {
         description: qsTr("The IMAP server could not be started. Please check or change the IMAP port.")
         group: Notifications.Group.Connection
         icon: "./icons/ic-alert.svg"
+        linkText: qsTr("Learn more about IMAP port issues")
+        linkUrl: "https://proton.me/support/port-already-occupied-error"
         type: Notification.NotificationType.Danger
 
         Connections {
@@ -679,33 +603,6 @@ QtObject {
             target: Backend
         }
     }
-    property Notification noActiveKeyForRecipient: Notification {
-        brief: title
-        description: "#PlaceholderText#"
-        group: Notifications.Group.Dialogs | Notifications.Group.Connection
-        icon: "./icons/ic-exclamation-circle-filled.svg"
-        title: qsTr("Unable to send \nencrypted message")
-        type: Notification.NotificationType.Danger
-
-        action: [
-            Action {
-                text: qsTr("OK")
-
-                onTriggered: {
-                    root.noActiveKeyForRecipient.active = false;
-                }
-            }
-        ]
-
-        Connections {
-            function onNoActiveKeyForRecipient(email) {
-                root.noActiveKeyForRecipient.description = qsTr("There are no active keys to encrypt your message to %1. " + "Please update the setting for this contact.").arg(email);
-                root.noActiveKeyForRecipient.active = true;
-            }
-
-            target: Backend
-        }
-    }
 
     // Connection
     property Notification noInternet: Notification {
@@ -714,7 +611,6 @@ QtObject {
         group: Notifications.Group.Connection
         icon: "./icons/ic-no-connection.svg"
         type: Notification.NotificationType.Danger
-
         Connections {
             function onInternetOff() {
                 root.noInternet.active = true;
@@ -730,9 +626,11 @@ QtObject {
         brief: title
         description: Backend.goos === "darwin" ?
             qsTr("Bridge is not able to access your keychain. Please make sure your keychain is not locked and restart the application.") :
-            qsTr("Bridge is not able to detect a supported password manager (pass or secret-service). Please install and setup supported password manager and restart the application.")
+            qsTr("Bridge is not able to detect a supported password manager (pass or secret-service). Please install and setup a supported password manager and restart the application.")
         group: Notifications.Group.Dialogs | Notifications.Group.Configuration
         icon: "./icons/ic-exclamation-circle-filled.svg"
+        linkText: qsTr("Learn more about keychain issues")
+        linkUrl: "https://proton.me/support/bridge-cannot-access-keychain"
         title: Backend.goos === "darwin" ? qsTr("Cannot access keychain") : qsTr("No keychain available")
         type: Notification.NotificationType.Danger
 
@@ -775,7 +673,7 @@ QtObject {
                 text: qsTr("Upgrade")
 
                 onTriggered: {
-                    Qt.openUrlExternally(root.onlyPaidUsers.pricingLink);
+                    Backend.openExternalLink(root.onlyPaidUsers.pricingLink);
                     root.onlyPaidUsers.active = false;
                 }
             }
@@ -802,7 +700,7 @@ QtObject {
                 text: qsTr("Open the support page")
 
                 onTriggered: {
-                    Backend.openKBArticle();
+                    Backend.openExternalLink();
                     Backend.quit();
                 }
             }
@@ -893,6 +791,8 @@ QtObject {
         description: qsTr("The SMTP port could not be changed.")
         group: Notifications.Group.Connection
         icon: "./icons/ic-alert.svg"
+        linkText: qsTr("Learn more about SMTP port issues")
+        linkUrl: "https://proton.me/support/port-already-occupied-error"
         type: Notification.NotificationType.Danger
 
         Connections {
@@ -908,6 +808,8 @@ QtObject {
         description: qsTr("The SMTP server could not be started. Please check or change the SMTP port.")
         group: Notifications.Group.Connection
         icon: "./icons/ic-alert.svg"
+        linkText: qsTr("Learn more about SMTP port issues")
+        linkUrl: "https://proton.me/support/port-already-occupied-error"
         type: Notification.NotificationType.Danger
 
         Connections {
@@ -939,7 +841,7 @@ QtObject {
                 text: qsTr("Update manually")
 
                 onTriggered: {
-                    Qt.openUrlExternally(Backend.landingPageLink);
+                    Backend.openExternalLink(Backend.landingPageLink);
                     root.updateForce.active = false;
                 }
             },
@@ -969,6 +871,8 @@ QtObject {
         description: qsTr("You must update manually. Go to: https://proton.me/mail/bridge#download")
         group: Notifications.Group.Update | Notifications.Group.Dialogs
         icon: "./icons/ic-exclamation-circle-filled.svg"
+        linkText: qsTr("Learn more about Bridge updates")
+        linkUrl: "https://proton.me/support/protonmail-bridge-manual-update"
         title: qsTr("Bridge couldn't update")
         type: Notification.NotificationType.Danger
 
@@ -977,7 +881,7 @@ QtObject {
                 text: qsTr("Update manually")
 
                 onTriggered: {
-                    Qt.openUrlExternally(Backend.landingPageLink);
+                    Backend.openExternalLink(Backend.landingPageLink);
                     root.updateForceError.active = false;
                 }
             },
@@ -1027,6 +931,8 @@ QtObject {
         description: qsTr("Please follow manual installation in order to update Bridge.")
         group: Notifications.Group.Update
         icon: "./icons/ic-exclamation-circle-filled.svg"
+        linkText: qsTr("Learn more about Bridge updates")
+        linkUrl: "https://proton.me/support/protonmail-bridge-manual-update"
         title: qsTr("Bridge couldn’t update")
         type: Notification.NotificationType.Warning
 
@@ -1035,7 +941,7 @@ QtObject {
                 text: qsTr("Update manually")
 
                 onTriggered: {
-                    Qt.openUrlExternally(Backend.landingPageLink);
+                    Backend.openExternalLink(Backend.landingPageLink);
                     root.updateManualError.active = false;
                     Backend.quit();
                 }
@@ -1085,7 +991,7 @@ QtObject {
                 text: qsTr("Update manually")
 
                 onTriggered: {
-                    Qt.openUrlExternally(Backend.landingPageLink);
+                    Backend.openExternalLink(Backend.landingPageLink);
                     root.updateManualReady.active = false;
                 }
             },
@@ -1138,13 +1044,15 @@ QtObject {
         description: qsTr("Bridge couldn't update")
         group: Notifications.Group.Update
         icon: "./icons/ic-exclamation-circle-filled.svg"
+        linkText: qsTr("Learn more about Bridge updates")
+        linkUrl: "https://proton.me/support/protonmail-bridge-manual-update"
         type: Notification.NotificationType.Warning
 
         action: Action {
             text: qsTr("Update manually")
 
             onTriggered: {
-                Qt.openUrlExternally(Backend.landingPageLink);
+                Backend.openExternalLink(Backend.landingPageLink);
                 root.updateSilentError.active = false;
             }
         }
@@ -1188,6 +1096,8 @@ QtObject {
         description: "#PlaceHolderText"
         group: Notifications.Group.Connection | Notifications.Group.Dialogs
         icon: "./icons/ic-exclamation-circle-filled.svg"
+        linkText: qsTr("Learn more about internal errors")
+        linkUrl: "https://proton.me/support/bridge-internal-error"
         title: qsTr("Internal error")
         type: Notification.NotificationType.Danger
 

internal/frontend/bridge-gui/bridge-gui/qml/Proton/InfoTooltip.qml

@@ -0,0 +1,60 @@
+// 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/>.
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+ColorImage {
+    id: root
+
+    property var colorScheme
+    property string text
+    property int size: 16
+
+    color: root.colorScheme.interaction_norm
+    height: size
+    width: size
+    source: "/qml/icons/ic-info-circle.svg"
+    sourceSize.height: size
+    sourceSize.width: size
+    visible: root.hint !== ""
+    MouseArea {
+        id: imageArea
+        anchors.fill: parent
+        hoverEnabled: true
+    }
+    ToolTip {
+        id: toolTipinfo
+        text: root.text
+        visible: imageArea.containsMouse
+        implicitWidth: Math.min(400, tooltipText.implicitWidth)
+        background: Rectangle {
+            radius: 4
+            border.color: root.colorScheme.border_weak
+            color: root.colorScheme.background_weak
+        }
+        contentItem: Text {
+            id: tooltipText
+            color: root.colorScheme.text_norm
+            text: root.text
+            wrapMode: Text.WordWrap
+
+            horizontalAlignment: Text.AlignHCenter
+            verticalAlignment: Text.AlignVCenter
+        }
+    }
+}

internal/frontend/bridge-gui/bridge-gui/qml/Proton/LinkLabel.qml

@@ -22,6 +22,7 @@ RowLayout {
     property bool external: false
     property string link: "#"
     property string text: ""
+    property color color: colorScheme.interaction_norm
 
     function clear() {
         root.callback = null;
@@ -49,12 +50,12 @@ RowLayout {
         id: label
         Layout.alignment: Qt.AlignVCenter
         colorScheme: root.colorScheme
+        linkColor: root.color
         text: label.link(root.link, root.text)
         type: Label.LabelType.Body
-
         onLinkActivated: function (link) {
             if ((link !== "#") && (link.length > 0)) {
-                Qt.openUrlExternally(link);
+                Backend.openExternalLink(link);
             }
             if (callback) {
                 callback();
@@ -63,11 +64,12 @@ RowLayout {
     }
     ColorImage {
         Layout.alignment: Qt.AlignVCenter
+        Layout.bottomMargin: -6
         color: label.linkColor
         height: sourceSize.height
         source: "/qml/icons/ic-external-link.svg"
-        sourceSize.height: 16
+        sourceSize.height: 14
-        sourceSize.width: 16
+        sourceSize.width: 14
         visible: external
         width: sourceSize.width
 

internal/frontend/bridge-gui/bridge-gui/qml/Proton/qmldir

@@ -27,6 +27,7 @@ Button 4.0 Button.qml
 CheckBox 4.0 CheckBox.qml
 ComboBox 4.0 ComboBox.qml
 Dialog 4.0 Dialog.qml
+InfoTooltip 4.0 InfoTooltip.qml
 Label 4.0 Label.qml
 LinkLabel 4.0 LinkLabel.qml
 Menu 4.0 Menu.qml

internal/frontend/bridge-gui/bridge-gui/qml/SettingsView.qml

@@ -30,7 +30,7 @@ Item {
     property bool fillHeight: false
     default property alias items: content.children
 
-    function positionViewAtBegining() {
+    function positionViewAtBeginning() {
         scrollView.ScrollBar.vertical.position = 0
     }
     signal back

internal/frontend/bridge-gui/bridge-gui/qml/SetupWizard/ClientConfigParameters.qml

@@ -79,7 +79,7 @@ Rectangle {
                         text: qsTr("Open guide")
 
                         onClicked: function () {
-                            Backend.openKBArticle(wizard.setupGuideLink());
+                            Backend.openExternalLink(wizard.setupGuideLink());
                         }
                     }
                 }

internal/frontend/bridge-gui/bridge-gui/qml/SetupWizard/HelpButton.qml

@@ -49,7 +49,7 @@ Button {
             text: qsTr("Get help")
 
             onClicked: {
-                Backend.openKBArticle();
+                Backend.openExternalLink();
             }
         }
         MenuItem {

internal/frontend/bridge-gui/bridge-gui/qml/SetupWizard/LeftPane.qml

@@ -37,7 +37,7 @@ Item {
     function showAppleMailAutoconfigCertificateInstall() {
         showAppleMailAutoconfigCommon();
         descriptionLabel.text = qsTr("Apple Mail configuration is mostly automated, but in order to work, Bridge needs to install a certificate in your keychain.");
-        linkLabel1.setCallback(function() { Backend.openKBArticle("https://proton.me/support/apple-mail-certificate"); }, qsTr("Why is this certificate needed?"), true);
+        linkLabel1.setCallback(function() { Backend.openExternalLink("https://proton.me/support/apple-mail-certificate"); }, qsTr("Why is this certificate needed?"), true);
         linkLabel2.clear();
     }
     function showAppleMailAutoconfigCommon() {
@@ -51,7 +51,7 @@ Item {
     function showAppleMailAutoconfigProfileInstall() {
         showAppleMailAutoconfigCommon();
         descriptionLabel.text = qsTr("The final step before you can start using Apple Mail is to install the Bridge server profile in the system preferences.\n\nAdding a server profile is necessary to ensure that your Mac can receive and send Proton Mails.");
-        linkLabel1.setCallback(function() { Backend.openKBArticle("https://proton.me/support/macos-certificate-warning"); }, qsTr("Why is there a yellow warning sign?"), true);
+        linkLabel1.setCallback(function() { Backend.openExternalLink("https://proton.me/support/macos-certificate-warning"); }, qsTr("Why is there a yellow warning sign?"), true);
         linkLabel2.setCallback(wizard.showClientParams, qsTr("Configure Apple Mail manually"), false);
     }
     function showClientSelector(newAccount = true) {
@@ -86,7 +86,7 @@ Item {
     function showOnboarding() {
         titleLabel.text = (Backend.users.count === 0) ? welcomeTitle : addAccountTitle;
         descriptionLabel.text = welcomeDescription
-        linkLabel1.setCallback(function() { Backend.openKBArticle("https://proton.me/support/why-you-need-bridge"); }, qsTr("Why do I need Bridge?"), true);
+        linkLabel1.setCallback(function() { Backend.openExternalLink("https://proton.me/support/why-you-need-bridge"); }, qsTr("Why do I need Bridge?"), true);
         linkLabel2.clear();
         root.iconSource = welcomeImage;
         root.iconHeight = welcomeImageHeight;

internal/frontend/bridge-gui/bridge-gui/qml/SplashScreen.qml

@@ -162,7 +162,7 @@ Dialog {
             wrapMode: Text.WordWrap
 
             onLinkActivated: function (link) {
-                Qt.openUrlExternally(link);
+                Backend.openExternalLink(link);
             }
         }
     }

internal/frontend/bridge-gui/bridgepp/bridgepp/BridgeUtils.cpp

@@ -208,17 +208,19 @@ QString randomLastName() {
 
 
 //****************************************************************************************************************************************************
-//
+/// \param[in] firstName The user's first name. If empty, a random common US first name is used.
+/// \param[in] lastName The user's last name. If empty, a random common US last name is used.
+/// \return The user
 //****************************************************************************************************************************************************
-SPUser randomUser() {
+SPUser randomUser(QString const &firstName, QString const &lastName) {
     SPUser user = User::newUser(nullptr);
     user->setID(QUuid::createUuid().toString());
-    QString const firstName = randomFirstName();
+    QString const first = firstName.isEmpty() ? randomFirstName() : firstName;
-    QString const lastName = randomLastName();
+    QString const last = lastName.isEmpty() ? randomLastName() : lastName;
-    QString const username = QString("%1.%2").arg(firstName.toLower(), lastName.toLower());
+    QString const username = QString("%1.%2").arg(first.toLower(), last.toLower());
     user->setUsername(username);
     user->setAddresses(QStringList() << (username + "@proton.me") << (username + "@protonmail.com"));
-    user->setPassword(QUuid().createUuid().toString(QUuid::StringFormat::WithoutBraces).left(20));
+    user->setPassword(QUuid::createUuid().toString(QUuid::StringFormat::WithoutBraces).left(20));
     user->setAvatarText(firstName.left(1) + lastName.left(1));
     user->setState(UserState::Connected);
     user->setSplitMode(false);
@@ -229,6 +231,16 @@ SPUser randomUser() {
 }
 
 
+//****************************************************************************************************************************************************
+/// \return The default user. The name Eric Norbert is used on the proton.me website, and should be used for screenshots.
+//****************************************************************************************************************************************************
+SPUser defaultUser() {
+    SPUser user = randomUser("Eric", "Norbert");
+    user->setAddresses({"eric.norbert@proton.me", "eric_norbert_writes@protonmail.com"}); // we override the address list with addresses commonly used on screenshots proton.me
+    return user;
+}
+
+
 //****************************************************************************************************************************************************
 /// \return The OS the application is running on.
 //****************************************************************************************************************************************************

internal/frontend/bridge-gui/bridgepp/bridgepp/BridgeUtils.h

@@ -44,7 +44,8 @@ QString goos(); ///< return the value of Go's  GOOS for the current platform ("d
 qint64 randN(qint64 n); ///< return a random integer in the half open range  [0,n)
 QString randomFirstName(); ///< Get a random first name from a pre-determined list.
 QString randomLastName(); ///< Get a random first name from a pre-determined list.
-SPUser randomUser(); ///< Get a random user.
+SPUser defaultUser(); ///< Return The default user, with the name and addresses used on screenshots on proton.me
+SPUser randomUser(QString const &firstName = "", QString const &lastName = ""); ///< Get a random user.
 OS os(); ///< Return the operating system.
 bool onLinux(); ///< Check if the OS is Linux.
 bool onMacOS(); ///< Check if the OS is macOS.

internal/frontend/bridge-gui/bridgepp/bridgepp/BugReportFlow/BugReportFlow.cpp

@@ -30,13 +30,6 @@ namespace {
 namespace bridgepp {
 
 
-//****************************************************************************************************************************************************
-//
-//****************************************************************************************************************************************************
-BugReportFlow::BugReportFlow() {
-}
-
-
 //****************************************************************************************************************************************************
 /// \param[in] filepath The path of the file to parse.
 /// \return True iff the file can be properly parsed.
@@ -92,7 +85,7 @@ bool BugReportFlow::setAnswer(quint8 questionId, QString const &answer) {
 
 
 //****************************************************************************************************************************************************
-/// \param[in] questionId The id of the question.
+/// \param[in] categoryId The id of the question.
 /// \return answer the given question.
 //****************************************************************************************************************************************************
 QString BugReportFlow::getCategory(quint8 categoryId) const {
@@ -128,7 +121,7 @@ QString BugReportFlow::collectAnswers(quint8 categoryId) const {
 
     QVariantList sets = this->questionSet(categoryId);
     for (QVariant const &var: sets) {
-        const QString& answer = getAnswer(var.toInt());
+        const QString answer = getAnswer(var.toInt());
         if (answer.isEmpty())
             continue;
         answers += "#### " + questions_[var.toInt()].toMap()["text"].toString() + "\n\r";
@@ -139,6 +132,24 @@ QString BugReportFlow::collectAnswers(quint8 categoryId) const {
 }
 
 
+//****************************************************************************************************************************************************
+/// \param[in] categoryId The id of the question set.
+//****************************************************************************************************************************************************
+QString BugReportFlow::collectUserInput(quint8 categoryId) const {
+    if (categoryId > categories_.count() - 1)
+        return {};
+
+    QString input = this->getCategory(categoryId);
+    for (QVariant const &var: this->questionSet(categoryId)) {
+        QString const answer = getAnswer(var.toInt());
+        if (!answer.isEmpty())
+            input += " " + answer;
+    }
+
+    return input;
+}
+
+
 //****************************************************************************************************************************************************
 //
 //****************************************************************************************************************************************************

internal/frontend/bridge-gui/bridgepp/bridgepp/BugReportFlow/BugReportFlow.h

@@ -28,7 +28,7 @@ namespace bridgepp {
 class BugReportFlow {
 
 public: // member functions.
-    BugReportFlow(); ///< Default constructor.
+    BugReportFlow() = default; ///< Default constructor.
     BugReportFlow(BugReportFlow const &) = delete; ///< Disabled copy-constructor.
     BugReportFlow(BugReportFlow &&) = delete; ///< Disabled assignment copy-constructor.
     ~BugReportFlow() = default; ///< Destructor.
@@ -42,6 +42,7 @@ public: // member functions.
     [[nodiscard]] QString getCategory(quint8 categoryId) const;  ///< Get category name.
     [[nodiscard]] QString getAnswer(quint8 questionId) const; ///< Get answer for a given question.
     [[nodiscard]] QString collectAnswers(quint8 categoryId) const; ///< Collect answer for a given set of questions.
+    [[nodiscard]] QString collectUserInput(quint8 categoryId) const; ///< Collect the user input (user answers without quesitons) for a given set of questions.
     void clearAnswers(); ///< Clear all collected answers.
 
 

internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/EventFactory.cpp

@@ -202,6 +202,18 @@ SPStreamEvent newReportBugErrorEvent() {
 }
 
 
+//****************************************************************************************************************************************************
+/// \return The event.
+//****************************************************************************************************************************************************
+SPStreamEvent newReportBugFallbackEvent() {
+    auto event = new grpc::ReportBugFallbackEvent;
+    auto appEvent = new grpc::AppEvent;
+    appEvent->set_allocated_reportbugfallback(event);
+    return wrapAppEvent(appEvent);
+}
+
+
+
 //****************************************************************************************************************************************************
 /// \return The event.
 //****************************************************************************************************************************************************
@@ -235,6 +247,22 @@ SPStreamEvent newCertificateInstallFailedEvent() {
 }
 
 
+//****************************************************************************************************************************************************
+/// \param[in] suggestions the suggestions
+/// \return The event.
+//****************************************************************************************************************************************************
+SPStreamEvent newKnowledgeBaseSuggestionsEvent(QList<KnowledgeBaseSuggestion> const& suggestions) {
+    auto event = new grpc::KnowledgeBaseSuggestionsEvent;
+    for (KnowledgeBaseSuggestion const &suggestion: suggestions) {
+            grpc::KnowledgeBaseSuggestion *s = event->add_suggestions();
+            s->set_url(suggestion.url.toStdString());
+            s->set_title(suggestion.title.toStdString());
+    }
+    auto appEvent = new grpc::AppEvent;
+    appEvent->set_allocated_knowledgebasesuggestions(event);
+    return wrapAppEvent(appEvent);
+}
+
 //****************************************************************************************************************************************************
 /// \return The event.
 //****************************************************************************************************************************************************
@@ -368,7 +396,7 @@ SPStreamEvent newUpdateForceEvent(QString const &version) {
 //****************************************************************************************************************************************************
 /// \return the event.
 //****************************************************************************************************************************************************
-SPStreamEvent newUpdateSilentRestartNeeded() {
+SPStreamEvent newUpdateSilentRestartNeededEvent() {
     auto event = new grpc::UpdateSilentRestartNeeded;
     auto updateEvent = new grpc::UpdateEvent;
     updateEvent->set_allocated_silentrestartneeded(event);
@@ -379,7 +407,7 @@ SPStreamEvent newUpdateSilentRestartNeeded() {
 //****************************************************************************************************************************************************
 /// \return The event.
 //****************************************************************************************************************************************************
-SPStreamEvent newUpdateIsLatestVersion() {
+SPStreamEvent newUpdateIsLatestVersionEvent() {
     auto event = new grpc::UpdateIsLatestVersion;
     auto updateEvent = new grpc::UpdateEvent;
     updateEvent->set_allocated_islatestversion(event);
@@ -390,7 +418,7 @@ SPStreamEvent newUpdateIsLatestVersion() {
 //****************************************************************************************************************************************************
 /// \return The event.
 //****************************************************************************************************************************************************
-SPStreamEvent newUpdateCheckFinished() {
+SPStreamEvent newUpdateCheckFinishedEvent() {
     auto event = new grpc::UpdateCheckFinished;
     auto updateEvent = new grpc::UpdateEvent;
     updateEvent->set_allocated_checkfinished(event);
@@ -398,6 +426,17 @@ SPStreamEvent newUpdateCheckFinished() {
 }
 
 
+//****************************************************************************************************************************************************
+/// \return The event.
+//****************************************************************************************************************************************************
+SPStreamEvent newUpdateVersionChangedEvent() {
+    auto event = new grpc::UpdateVersionChanged;
+    auto updateEvent = new grpc::UpdateEvent;
+    updateEvent->set_allocated_versionchanged(event);
+    return wrapUpdateEvent(updateEvent);
+}
+
+
 //****************************************************************************************************************************************************
 /// \param[in] errorType The error type.
 /// \return The event.
@@ -505,19 +544,6 @@ SPStreamEvent newRebuildKeychainEvent() {
 }
 
 
-//****************************************************************************************************************************************************
-/// \param[in] email The email.
-/// \return The event.
-//****************************************************************************************************************************************************
-SPStreamEvent newNoActiveKeyForRecipientEvent(QString const &email) {
-    auto event = new grpc::NoActiveKeyForRecipientEvent;
-    event->set_email(email.toStdString());
-    auto mailEvent = new grpc::MailEvent;
-    mailEvent->set_allocated_noactivekeyforrecipientevent(event);
-    return wrapMailEvent(mailEvent);
-}
-
-
 //****************************************************************************************************************************************************
 /// \param[in] address The address.
 /// /// \return The event.

internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/EventFactory.h

@@ -22,6 +22,7 @@
 
 #include "bridge.grpc.pb.h"
 #include "GRPCUtils.h"
+#include <bridgepp/GRPC/GRPCClient.h>
 
 
 namespace bridgepp {
@@ -34,10 +35,12 @@ SPStreamEvent newResetFinishedEvent(); ///< Create a new ResetFinishedEvent even
 SPStreamEvent newReportBugFinishedEvent(); ///< Create a new ReportBugFinishedEvent event.
 SPStreamEvent newReportBugSuccessEvent(); ///< Create a new ReportBugSuccessEvent event.
 SPStreamEvent newReportBugErrorEvent(); ///< Create a new ReportBugErrorEvent event.
+SPStreamEvent newReportBugFallbackEvent(); ///< Create a new ReportBugFallbackEvent event.
 SPStreamEvent newCertificateInstallSuccessEvent(); ///< Create a new CertificateInstallSuccessEvent event.
 SPStreamEvent newCertificateInstallCanceledEvent(); ///< Create a new CertificateInstallCanceledEvent event.
 SPStreamEvent newCertificateInstallFailedEvent(); ///< Create anew CertificateInstallFailedEvent event.
 SPStreamEvent newShowMainWindowEvent(); ///< Create a new ShowMainWindowEvent event.
+SPStreamEvent newKnowledgeBaseSuggestionsEvent(QList<KnowledgeBaseSuggestion> const& suggestions); ///< Create a new KnowledgeBaseSuggestions event.
 
 // Login events
 SPStreamEvent newLoginError(grpc::LoginErrorType error, QString const &message); ///< Create a new LoginError event.
@@ -51,9 +54,10 @@ SPStreamEvent newUpdateErrorEvent(grpc::UpdateErrorType errorType); ///< Create
 SPStreamEvent newUpdateManualReadyEvent(QString const &version); ///< Create a new UpdateManualReadyEvent event.
 SPStreamEvent newUpdateManualRestartNeededEvent(); ///< Create a new UpdateManualRestartNeededEvent event.
 SPStreamEvent newUpdateForceEvent(QString const &version); ///< Create a new UpdateForceEvent event.
-SPStreamEvent newUpdateSilentRestartNeeded(); ///< Create a new UpdateSilentRestartNeeded event.
+SPStreamEvent newUpdateSilentRestartNeededEvent(); ///< Create a new UpdateSilentRestartNeeded event.
-SPStreamEvent newUpdateIsLatestVersion(); ///< Create a new UpdateIsLatestVersion event.
+SPStreamEvent newUpdateIsLatestVersionEvent(); ///< Create a new UpdateIsLatestVersion event.
-SPStreamEvent newUpdateCheckFinished(); ///< Create a new UpdateCheckFinished event.
+SPStreamEvent newUpdateCheckFinishedEvent(); ///< Create a new UpdateCheckFinished event.
+SPStreamEvent newUpdateVersionChangedEvent(); ///< Create a new updateVersionChanged event.
 
 // Cache on disk related events
 SPStreamEvent newDiskCacheErrorEvent(grpc::DiskCacheErrorType errorType); ///< Create a new DiskCacheErrorEvent event.
@@ -71,7 +75,6 @@ SPStreamEvent newHasNoKeychainEvent(); ///< Create a new HasNoKeychainEvent even
 SPStreamEvent newRebuildKeychainEvent(); ///< Create a new RebuildKeychainEvent event.
 
 // Mail related events
-SPStreamEvent newNoActiveKeyForRecipientEvent(QString const &email); ///< Create a new NoActiveKeyForRecipientEvent event.
 SPStreamEvent newAddressChangedEvent(QString const &address); ///< Create a new AddressChangedEvent event.
 SPStreamEvent newAddressChangedLogoutEvent(QString const &address); ///< Create a new AddressChangedLogoutEvent event.
 SPStreamEvent newApiCertIssueEvent(); ///< Create a new ApiCertIssueEvent event.

internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/GRPCClient.cpp

@@ -568,6 +568,14 @@ grpc::Status GRPCClient::hostname(QString &outHostname) {
 }
 
 
+//****************************************************************************************************************************************************
+/// \param[in] input The user input to analyze.
+//****************************************************************************************************************************************************
+grpc::Status GRPCClient::requestKnowledgeBaseSuggestions(QString const &input) {
+    return this->logGRPCCallStatus(this->setString(&Bridge::Stub::RequestKnowledgeBaseSuggestions, input), __FUNCTION__);
+}
+
+
 //****************************************************************************************************************************************************
 /// \param[out] outPath The value for the property.
 /// \return The status for the gRPC call.
@@ -1164,6 +1172,19 @@ void GRPCClient::processAppEvent(AppEvent const &event) {
         this->logTrace("App event received: CertificateInstallFailed.");
         emit certificateInstallFailed();
         break;
+    case AppEvent::kKnowledgeBaseSuggestions:
+    {
+        this->logTrace("App event received: KnowledgeBaseSuggestions.");
+        QList<KnowledgeBaseSuggestion> suggestions;
+        for (grpc::KnowledgeBaseSuggestion const &suggestion: event.knowledgebasesuggestions().suggestions()) {
+            suggestions.push_back(KnowledgeBaseSuggestion{
+                .url = QString::fromUtf8(suggestion.url()),
+                .title = QString::fromUtf8(suggestion.title())
+            });
+        }
+        emit knowledgeBasSuggestionsReceived(suggestions);
+        break;
+    }
     default:
         this->logError("Unknown App event received.");
     }
@@ -1298,18 +1319,10 @@ void GRPCClient::processCacheEvent(DiskCacheEvent const &event) {
     switch (event.event_case()) {
     case DiskCacheEvent::kError: {
         switch (event.error().type()) {
-        case DISK_CACHE_UNAVAILABLE_ERROR:
-            this->logError("Cache error received: diskCacheUnavailable.");
-            emit diskCacheUnavailable();
-            break;
         case CANT_MOVE_DISK_CACHE_ERROR:
             this->logError("Cache error received: cantMoveDiskCache.");
             emit cantMoveDiskCache();
             break;
-        case DISK_FULL_ERROR:
-            this->logError("Cache error received: diskFull.");
-            emit diskFull();
-            break;
         default:
             this->logError("Unknown cache error event received.");
             break;
@@ -1409,12 +1422,6 @@ void GRPCClient::processKeychainEvent(KeychainEvent const &event) {
 //****************************************************************************************************************************************************
 void GRPCClient::processMailEvent(MailEvent const &event) {
     switch (event.event_case()) {
-    case MailEvent::kNoActiveKeyForRecipientEvent: {
-        QString const email = QString::fromStdString(event.noactivekeyforrecipientevent().email());
-        this->logTrace(QString("Mail event received: NoActiveKeyForRecipient (email = %1).").arg(email));
-        emit noActiveKeyForRecipient(email);
-        break;
-    }
     case MailEvent::kAddressChanged:
         this->logTrace("Mail event received: AddressChanged.");
         emit addressChanged(QString::fromStdString(event.addresschanged().address()));
@@ -1527,24 +1534,30 @@ UPClientContext GRPCClient::clientContext() const {
 }
 
 //****************************************************************************************************************************************************
-/// \param[in] userID The user ID.
-/// \param[in] address The email address.
 /// \return the status for the gRPC call.
 //****************************************************************************************************************************************************
 grpc::Status GRPCClient::reportBugClicked() {
     return this->logGRPCCallStatus(stub_->ReportBugClicked(this->clientContext().get(), empty, &empty), __FUNCTION__);
 }
 
+//****************************************************************************************************************************************************
+/// \param[in] client The client string.
+/// \return the status for the gRPC call.
+//****************************************************************************************************************************************************
 grpc::Status GRPCClient::autoconfigClicked(QString const &client) {
     StringValue s;
     s.set_value(client.toStdString());
     return this->logGRPCCallStatus(stub_->AutoconfigClicked(this->clientContext().get(), s, &empty), __FUNCTION__);
 }
 
-grpc::Status GRPCClient::KBArticleClicked(QString const &article) {
+//****************************************************************************************************************************************************
+/// \param[in] link The clicked link.
+/// \return the status for the gRPC call.
+//****************************************************************************************************************************************************
+grpc::Status GRPCClient::externalLinkClicked(QString const &link) {
     StringValue s;
-    s.set_value(article.toStdString());
+    s.set_value(link.toStdString());
-    return this->logGRPCCallStatus(stub_->KBArticleClicked(this->clientContext().get(), s, &empty), __FUNCTION__);
+    return this->logGRPCCallStatus(stub_->ExternalLinkClicked(this->clientContext().get(), s, &empty), __FUNCTION__);
 }
 
 

internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/GRPCClient.h

@@ -42,6 +42,20 @@ typedef grpc::Status (grpc::Bridge::Stub::*StringParamMethod)(grpc::ClientContex
 typedef std::unique_ptr<grpc::ClientContext> UPClientContext;
 
 
+//****************************************************************************************************************************************************
+/// \brief A struct for knowledge base suggestion.
+//****************************************************************************************************************************************************
+struct KnowledgeBaseSuggestion {
+    //  The following lines make the type transmissible to QML (but not instanciable there)
+    Q_GADGET
+    Q_PROPERTY(QString url MEMBER url)
+    Q_PROPERTY(QString title MEMBER title)
+public:
+    QString url; ///< The URL of the knowledge base article
+    QString title; ///< The title of the knowledge base article.
+};
+
+
 //****************************************************************************************************************************************************
 /// \brief gRPC client class. This class encapsulate the gRPC service, abstracting all data type conversions.
 //****************************************************************************************************************************************************
@@ -93,6 +107,7 @@ public: // member functions.
     grpc::Status releaseNotesPageLink(QUrl &outUrl); ///< Performs the 'releaseNotesPageLink' call.
     grpc::Status landingPageLink(QUrl &outUrl); ///< Performs the 'landingPageLink' call.
     grpc::Status hostname(QString &outHostname); ///< Performs the 'Hostname' call.
+    grpc::Status requestKnowledgeBaseSuggestions(QString const &input); ///< Performs the 'RequestKnowledgeBaseSuggestions' call.
 
 signals: // app related signals
     void internetStatus(bool isOn);
@@ -106,21 +121,20 @@ signals: // app related signals
     void certificateInstallCanceled();
     void certificateInstallFailed();
     void showMainWindow();
+    void knowledgeBasSuggestionsReceived(QList<KnowledgeBaseSuggestion> const& suggestions);
 
-    // cache related calls
+
-public:
+public: // cache related calls
     grpc::Status diskCachePath(QUrl &outPath); ///< Performs the 'diskCachePath' call.
     grpc::Status setDiskCachePath(QUrl const &path); ///< Performs the 'setDiskCachePath' call
 
 signals:
-    void diskCacheUnavailable();
     void cantMoveDiskCache();
-    void diskFull();
     void diskCachePathChanged(QUrl const &path);
     void diskCachePathChangeFinished();
 
-    // mail settings related calls
+
-public:
+public: // mail settings related calls
     grpc::Status mailServerSettings(qint32 &outIMAPPort, qint32 &outSMTPPort, bool &outUseSSLForIMAP, bool &outUseSSLForSMTP); ///< Performs the 'MailServerSettings' gRPC call.
     grpc::Status setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP); ///< Performs the 'SetMailServerSettings' gRPC call.
     grpc::Status isDoHEnabled(bool &outEnabled); ///< Performs the 'isDoHEnabled' gRPC call.
@@ -196,7 +210,7 @@ signals:
 public: // telemetry related calls
     grpc::Status reportBugClicked();  ///< Performs the 'reportBugClicked' call.
     grpc::Status autoconfigClicked(QString const &userID); ///< Performs the 'AutoconfigClicked' call.
-    grpc::Status KBArticleClicked(QString const &userID); ///< Performs the 'KBArticleClicked' call.
+    grpc::Status externalLinkClicked(QString const &userID); ///< Performs the 'KBArticleClicked' call.
 
 public: // keychain related calls
     grpc::Status availableKeychains(QStringList &outKeychains);
@@ -215,7 +229,6 @@ signals:
     void certIsReady();
 
 signals: // mail related events
-    void noActiveKeyForRecipient(QString const &email);
     void addressChanged(QString const &address);
     void addressChangedLogout(QString const &address);
     void apiCertIssue();

internal/frontend/grpc/bridge.proto

@@ -58,6 +58,7 @@ service Bridge {
   rpc ReportBug(ReportBugRequest) returns (google.protobuf.Empty);
   rpc ForceLauncher(google.protobuf.StringValue) returns (google.protobuf.Empty);
   rpc SetMainExecutable(google.protobuf.StringValue) returns (google.protobuf.Empty);
+  rpc RequestKnowledgeBaseSuggestions(google.protobuf.StringValue) returns (google.protobuf.Empty);
 
   // login
   rpc Login(LoginRequest) returns (google.protobuf.Empty);
@@ -100,7 +101,7 @@ service Bridge {
   // Telemetry
   rpc ReportBugClicked(google.protobuf.Empty) returns (google.protobuf.Empty);
   rpc AutoconfigClicked(google.protobuf.StringValue) returns (google.protobuf.Empty);
-  rpc KBArticleClicked(google.protobuf.StringValue) returns (google.protobuf.Empty);
+  rpc ExternalLinkClicked(google.protobuf.StringValue) returns (google.protobuf.Empty);
 
   // TLS certificate related calls
   rpc IsTLSCertificateInstalled(google.protobuf.Empty) returns (google.protobuf.BoolValue);
@@ -269,6 +270,7 @@ message AppEvent {
     CertificateInstallSuccessEvent certificateInstallSuccess = 9;
     CertificateInstallCanceledEvent certificateInstallCanceled = 10;
     CertificateInstallFailedEvent certificateInstallFailed = 11;
+    KnowledgeBaseSuggestionsEvent knowledgeBaseSuggestions = 12;
   }
 }
 
@@ -287,6 +289,15 @@ message CertificateInstallSuccessEvent {}
 message CertificateInstallCanceledEvent {}
 message CertificateInstallFailedEvent {}
 
+message KnowledgeBaseSuggestion {
+  string url = 1;
+  string title = 2;
+}
+
+message KnowledgeBaseSuggestionsEvent {
+  repeated KnowledgeBaseSuggestion suggestions = 1;
+}
+
 //**********************************************************
 // Login related events
 //**********************************************************
@@ -385,9 +396,7 @@ message DiskCacheEvent {
 }
 
 enum DiskCacheErrorType {
-  DISK_CACHE_UNAVAILABLE_ERROR = 0;
+  CANT_MOVE_DISK_CACHE_ERROR = 0;
-  CANT_MOVE_DISK_CACHE_ERROR = 1;
-  DISK_FULL_ERROR = 2;
 };
 
 message DiskCacheErrorEvent {
@@ -446,17 +455,12 @@ message RebuildKeychainEvent {}
 //**********************************************************
 message MailEvent {
   oneof event {
-    NoActiveKeyForRecipientEvent noActiveKeyForRecipientEvent = 1;
+    AddressChangedEvent addressChanged = 1;
-    AddressChangedEvent addressChanged = 2;
+    AddressChangedLogoutEvent addressChangedLogout = 2;
-    AddressChangedLogoutEvent addressChangedLogout = 3;
+    ApiCertIssueEvent apiCertIssue = 3;
-    ApiCertIssueEvent apiCertIssue = 6;
   }
 }
 
-message NoActiveKeyForRecipientEvent {
-  string email = 1;
-}
-
 message AddressChangedEvent {
   string address = 1;
 }
@@ -485,6 +489,7 @@ message UserEvent {
   }
 }
 
+
 message ToggleSplitModeFinishedEvent {
   string userID = 1;
 }

internal/frontend/grpc/event_factory.go

@@ -17,6 +17,11 @@
 
 package grpc
 
+import (
+	"github.com/ProtonMail/proton-bridge/v3/internal/kb"
+	"github.com/bradenaw/juniper/xslices"
+)
+
 func NewInternetStatusEvent(connected bool) *StreamEvent {
 	return appEvent(&AppEvent{Event: &AppEvent_InternetStatus{InternetStatus: &InternetStatusEvent{Connected: connected}}})
 }
@@ -61,6 +66,20 @@ func NewShowMainWindowEvent() *StreamEvent {
 	return appEvent(&AppEvent{Event: &AppEvent_ShowMainWindow{ShowMainWindow: &ShowMainWindowEvent{}}})
 }
 
+func NewRequestKnowledgeBaseSuggestionsEvent(suggestions kb.ArticleList) *StreamEvent {
+	s := xslices.Map(
+		suggestions,
+		func(article *kb.Article) *KnowledgeBaseSuggestion {
+			return &KnowledgeBaseSuggestion{Url: article.URL, Title: article.Title}
+		},
+	)
+	return appEvent(&AppEvent{Event: &AppEvent_KnowledgeBaseSuggestions{
+		KnowledgeBaseSuggestions: &KnowledgeBaseSuggestionsEvent{
+			Suggestions: s,
+		},
+	}})
+}
+
 func NewLoginError(err LoginErrorType, message string) *StreamEvent {
 	return loginEvent(&LoginEvent{Event: &LoginEvent_Error{Error: &LoginErrorEvent{Type: err, Message: message}}})
 }
@@ -161,10 +180,6 @@ func NewKeychainRebuildKeychainEvent() *StreamEvent {
 	return keychainEvent(&KeychainEvent{Event: &KeychainEvent_RebuildKeychain{RebuildKeychain: &RebuildKeychainEvent{}}})
 }
 
-func NewMailNoActiveKeyForRecipientEvent(email string) *StreamEvent {
-	return mailEvent(&MailEvent{Event: &MailEvent_NoActiveKeyForRecipientEvent{NoActiveKeyForRecipientEvent: &NoActiveKeyForRecipientEvent{Email: email}}})
-}
-
 func NewMailAddressChangeEvent(email string) *StreamEvent {
 	return mailEvent(&MailEvent{Event: &MailEvent_AddressChanged{AddressChanged: &AddressChangedEvent{Address: email}}})
 }

internal/frontend/grpc/service_methods.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ProtonMail/proton-bridge/v3/internal/constants"
 	"github.com/ProtonMail/proton-bridge/v3/internal/events"
 	"github.com/ProtonMail/proton-bridge/v3/internal/frontend/theme"
+	"github.com/ProtonMail/proton-bridge/v3/internal/kb"
 	"github.com/ProtonMail/proton-bridge/v3/internal/safe"
 	"github.com/ProtonMail/proton-bridge/v3/internal/service"
 	"github.com/ProtonMail/proton-bridge/v3/internal/updater"
@@ -375,6 +376,23 @@ func (s *Service) SetMainExecutable(_ context.Context, exe *wrapperspb.StringVal
 	return &emptypb.Empty{}, nil
 }
 
+func (s *Service) RequestKnowledgeBaseSuggestions(_ context.Context, userInput *wrapperspb.StringValue) (*emptypb.Empty, error) {
+	s.log.Debug("RequestKnowledgeBaseSuggestions")
+	go func() {
+		defer async.HandlePanic(s.panicHandler)
+
+		articles, err := s.bridge.GetKnowledgeBaseSuggestions(userInput.Value)
+		if err != nil {
+			s.log.WithError(err).Error("Could not retrieve KB article suggestions")
+			articles = kb.ArticleList{}
+		}
+
+		_ = s.SendEvent(NewRequestKnowledgeBaseSuggestionsEvent(articles))
+	}()
+
+	return &emptypb.Empty{}, nil
+}
+
 func (s *Service) Login(_ context.Context, login *LoginRequest) (*emptypb.Empty, error) {
 	s.log.WithField("username", login.Username).Debug("Login")
 

internal/frontend/grpc/service_stream.go

@@ -21,6 +21,7 @@ import (
 	"context"
 
 	"github.com/ProtonMail/gluon/async"
+	"github.com/ProtonMail/proton-bridge/v3/internal/kb"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/types/known/emptypb"
@@ -122,6 +123,7 @@ func (s *Service) StartEventTest() error {
 		NewReportBugSuccessEvent(),
 		NewReportBugErrorEvent(),
 		NewShowMainWindowEvent(),
+		NewRequestKnowledgeBaseSuggestionsEvent(kb.ArticleList{}),
 
 		// login
 		NewLoginError(LoginErrorType_FREE_USER, "error"),
@@ -166,7 +168,6 @@ func (s *Service) StartEventTest() error {
 		NewKeychainRebuildKeychainEvent(),
 
 		// mail
-		NewMailNoActiveKeyForRecipientEvent(dummyAddress),
 		NewMailAddressChangeEvent(dummyAddress),
 		NewMailAddressChangeLogoutEvent(dummyAddress),
 		NewMailApiCertIssue(),

internal/frontend/grpc/service_telemetry.go

@@ -34,7 +34,7 @@ func (s *Service) AutoconfigClicked(_ context.Context, client *wrapperspb.String
 	return &emptypb.Empty{}, nil
 }
 
-func (s *Service) KBArticleClicked(_ context.Context, article *wrapperspb.StringValue) (*emptypb.Empty, error) {
+func (s *Service) ExternalLinkClicked(_ context.Context, article *wrapperspb.StringValue) (*emptypb.Empty, error) {
-	s.bridge.KBArticleOpened(article.Value)
+	s.bridge.ExternalLinkClicked(article.Value)
 	return &emptypb.Empty{}, nil
 }

internal/kb/kbArticleList.json

@@ -0,0 +1,425 @@
+[
+  {
+    "index": 0,
+    "url": "https://proton.me/support/automatically-start-bridge",
+    "title": "Automatically start Bridge",
+    "keywords": [
+      "automatic",
+      "login",
+      "start",
+      "boot"
+    ]
+  },
+  {
+    "index": 1,
+    "url": "https://proton.me/support/bridge-automatic-update",
+    "title": "Automatic Update and Bridge",
+    "keywords": [
+      "update",
+      "upgrade",
+      "restart",
+      "automatic",
+      "manual"
+    ]
+  },
+  {
+    "index": 2,
+    "url": "https://proton.me/support/messages-encrypted-via-bridge",
+    "title": "Are my messages encrypted via Proton Mail Bridge?",
+    "keywords": [
+      "encrypted",
+      "privacy",
+      "message",
+      "security",
+      "gpg",
+      "pgp",
+      "crypto"
+    ]
+  },
+  {
+    "index": 3,
+    "url": "https://proton.me/support/labels-in-bridge",
+    "title": "Labels in Bridge",
+    "keywords": [
+      "labels",
+      "folders",
+      "directories"
+    ]
+  },
+  {
+    "index": 4,
+    "url": "https://proton.me/support/bridge-ssl-connection-issue",
+    "title": "Proton Mail Bridge connection issues with Thunderbird, Outlook, and Apple Mail",
+    "keywords": [
+      "connect",
+      "SSL",
+      "STARTTLS",
+      "client",
+      "program",
+      "Outlook",
+      "Apple Mail",
+      "Thunderbird"
+    ]
+  },
+  {
+    "index": 5,
+    "url": "https://proton.me/support/sending-pgp-emails-bridge",
+    "title": "Sending PGP emails in Proton Mail Bridge",
+    "keywords": [
+      "pgp",
+      "gpg",
+      "encrypt",
+      "crypto"
+    ]
+  },
+  {
+    "index": 6,
+    "url": "https://proton.me/support/difference-combined-addresses-mode-split-addresses-mode",
+    "title": "Difference between combined addresses mode and split addresses mode",
+    "keywords": [
+      "combined",
+      "split",
+      "address",
+      "mode"
+
+    ]
+  },
+  {
+    "index": 7,
+    "url": "https://proton.me/support/thunderbird-connection-server-timed-error",
+    "title": "Thunderbird: 'Connection to server timed out' error",
+    "keywords": [
+      "Thunderbird",
+      "Connection to server timed out",
+      "Connection",
+      "Timeout"
+    ]
+  },
+  {
+    "index": 8,
+    "url": "https://proton.me/support/update-required",
+    "title": "Update required",
+    "keywords": [
+      "update required",
+      "update",
+      "upgrade",
+      "restart",
+      "reboot"
+    ]
+  },
+  {
+    "index": 9,
+    "url": "https://proton.me/support/port-already-occupied-error",
+    "title": "Port already occupied error",
+    "keywords": [
+      "Port",
+      "occupied",
+      "1143",
+      "1025",
+      "SMTP",
+      "IMAP",
+      "error"
+    ]
+  },
+  {
+    "index": 10,
+    "url": "https://proton.me/support/clients-supported-bridge",
+    "title": "Email clients supported by Proton Mail Bridge",
+    "keywords": [
+      "client",
+      "Outlook",
+      "Thunderbird",
+      "Apple Mail",
+      "EM Client",
+      "The Bat",
+      "Eudora",
+      "Postbox",
+      "Canary",
+      "Spark"
+    ]
+  },
+  {
+    "index": 11,
+    "url": "https://proton.me/support/imap-smtp-and-pop3-setup",
+    "title": "IMAP, SMTP, and POP3 setup",
+    "keywords": [
+      "IMAP",
+      "SMTP",
+      "setup",
+      "set up",
+      "configure",
+      "configuration",
+      "parameters"
+    ]
+  },
+  {
+    "index": 12,
+    "url": "https://proton.me/support/protonmail-bridge-install",
+    "title": "How to install Proton Mail Bridge",
+    "keywords": [
+      "install",
+      "installer",
+      "setup",
+      "download",
+      "windows",
+      "mac",
+      "macos",
+      "linux"
+    ]
+  },
+  {
+    "index": 13,
+    "url": "https://proton.me/support/bridge-for-linux",
+    "title": "Proton Mail Bridge for Linux",
+    "keywords": [
+      "Linux",
+      "Ubuntu",
+      "Fedora",
+      "Debian",
+      "Unix",
+      "deb",
+      "rpm",
+      "CentOS",
+      "Arch",
+      "Mint"
+    ]
+  },
+  {
+    "index": 14,
+    "url": "https://proton.me/support/operating-systems-supported-bridge",
+    "title": "System requirements for Proton Mail Bridge",
+    "keywords": [
+      "requirement",
+      "cpu",
+      "memory",
+      "Windows",
+      "macOS",
+      "linux"
+    ]
+  },
+  {
+    "index": 15,
+    "url": "https://proton.me/support/protonmail-bridge-configure-client",
+    "title": "How to configure your email client for Proton Mail Bridge",
+    "keywords": [
+      "Client",
+      "Outlook",
+      "configure",
+      "setup",
+      "application",
+      "setup",
+      "IMAP",
+      "SMTP"
+
+    ]
+  },
+  {
+    "index": 16,
+    "url": "https://proton.me/support/invalid-password-error-setting-email-client",
+    "title": "Invalid password error while setting up email client",
+    "keywords": [
+      "password",
+      "invalid",
+      "error"
+    ]
+  },
+  {
+    "index": 17,
+    "url": "https://proton.me/support/protonmail-bridge-clients-windows-outlook-2019",
+    "title": "Proton Mail Bridge Microsoft Outlook for Windows 2019 setup guide",
+    "keywords": [
+      "Outlook",
+      "2019",
+      "setup",
+      "configuration"
+    ]
+  },
+  {
+    "index": 18,
+    "url": "https://proton.me/support/protonmail-bridge-clients-windows-outlook-2016",
+    "title": "Proton Mail Bridge Microsoft Outlook 2016 for Windows setup guide",
+    "keywords": [
+      "Outlook",
+      "2019",
+      "setup",
+      "configuration"
+    ]
+  },
+  {
+    "index": 19,
+    "url": "https://proton.me/support/protonmail-bridge-clients-apple-mail",
+    "title": "Proton Mail Bridge Apple Mail setup guide",
+    "keywords": [
+      "Apple Mail",
+      "setup",
+      "configuration"
+    ]
+  },
+  {
+    "index": 20,
+    "url": "https://proton.me/support/protonmail-bridge-clients-macos-new-outlook",
+    "title": "Proton Mail Bridge new Outlook for macOS setup guide",
+    "keywords": [
+      "Outlook",
+      "setup",
+      "configuration"
+    ]
+  },
+  {
+    "index": 21,
+    "url": "https://proton.me/support/protonmail-bridge-clients-windows-thunderbird",
+    "title": "Proton Mail Bridge Thunderbird setup guide for Windows, macOS, and Linux",
+    "keywords": [
+      "Thunderbird",
+      "setup",
+      "configuration"
+    ]
+  },
+  {
+    "index": 22,
+    "url": "https://proton.me/support/protonmail-bridge-clients-macos-outlook-2016",
+    "title": "Proton Mail Bridge Microsoft Outlook 2016 for macOS setup guide",
+    "keywords": [
+      "Outlook 2016",
+      "macOS"
+    ]
+  },
+  {
+    "index": 23,
+    "url": "https://proton.me/support/protonmail-bridge-clients-macos-outlook-2019",
+    "title": "Proton Mail Bridge Microsoft Outlook 2019 for macOS setup guide",
+    "keywords": [
+      "Outlook 2019",
+      "macOS"
+    ]
+  },
+  {
+    "index": 24,
+    "url": "https://proton.me/support/protonmail-bridge-clients-windows-outlook-2013",
+    "title": "Proton Mail Bridge Microsoft Outlook 2013 for Windows setup guide",
+    "keywords": [
+      "Outlook 2013",
+      "macOS"
+    ]
+  },
+  {
+    "index": 25,
+    "url": "https://proton.me/support/protonmail-bridge-clients-macos-outlook-2011",
+    "title": "Proton Mail Bridge Microsoft Outlook 2011 for macOS setup guide",
+    "keywords": [
+      "Outlook 2011",
+      "macOS"
+    ]
+  },
+  {
+    "index": 26,
+    "url": "https://proton.me/support/install-bridge-linux-pkgbuild-file",
+    "title": "Installing Proton Mail Bridge for Linux using a PKGBUILD file",
+    "keywords": [
+      "Linux",
+      "pkgbuild"
+    ]
+  },
+  {
+    "index": 27,
+    "url": "https://proton.me/support/installing-bridge-linux-deb-file",
+    "title": "Installing Proton Mail Bridge for Linux using a DEB file",
+    "keywords": [
+      "Linux",
+      "deb"
+    ]
+  },
+  {
+    "index": 28,
+    "url": "https://proton.me/support/verifying-bridge-package",
+    "title": "Verifying the Proton Mail Bridge package for Linux",
+    "keywords": [
+      "Linux",
+      "Package",
+      "Verify"
+    ]
+  },
+  {
+    "index": 29,
+    "url": "https://proton.me/support/bridge-cli-guide",
+    "title": "Bridge CLI (command line interface) guide",
+    "keywords": [
+      "CLI",
+      "Terminal",
+      "Command-line",
+      "Powershell"
+    ]
+  },
+  {
+    "index": 30,
+    "url": "https://proton.me/support/install-bridge-linux-rpm-file",
+    "title": "Installing Proton Mail Bridge for Linux using an RPM file",
+    "keywords": [
+      "Linux",
+      "Install",
+      "RPM"
+    ]
+  },
+  {
+    "index": 31,
+    "url": "https://proton.me/support/bridge-linux-login-error",
+    "title": "How to fix Proton Bridge login errors",
+    "keywords": [
+      "login",
+      "error",
+      "connection"
+    ]
+  },
+  {
+    "index": 32,
+    "url": "https://proton.me/support/bridge-linux-tray-icon",
+    "title": "How to fix a missing system tray icon in Linux",
+    "keywords": [
+      "linux",
+      "tray",
+      "notification"
+    ]
+  },
+  {
+    "index": 33,
+    "url": "https://proton.me/support/why-you-need-bridge",
+    "title": "Why you need Proton Mail Bridge",
+    "keywords": [
+      "Bridge",
+      "email",
+      "client"
+    ]
+  },
+  {
+    "index": 34,
+    "url": "https://proton.me/support/protonmail-bridge-manual-update",
+    "title": "How to manually update Proton Mail Bridge",
+    "keywords": [
+      "update",
+      "upgrade",
+      "manual",
+      "download"
+    ]
+  },
+  {
+    "index": 35,
+    "url": "https://proton.me/support/macos-certificate-warning",
+    "title": "Warning when installing Proton Mail Bridge on macOS",
+    "keywords": [
+      "install",
+      "macOS",
+      "warning",
+      "certificate"
+    ]
+  },
+  {
+    "index": 36,
+    "url": "https://proton.me/support/apple-mail-certificate",
+    "title": "Why you need to install a certificate for Apple Mail with Proton Mail Bridge",
+    "keywords": [
+      "certificate",
+      "Apple Mail",
+      "macOS"
+    ]
+  }
+]

internal/kb/suggester.go

@@ -0,0 +1,107 @@
+// 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 kb
+
+import (
+	_ "embed"
+	"encoding/json"
+	"errors"
+	"regexp"
+	"strings"
+
+	"github.com/bradenaw/juniper/xslices"
+	"golang.org/x/exp/slices"
+)
+
+var ErrArticleNotFound = errors.New("KB article not found")
+
+//go:embed kbArticleList.json
+var articleListString []byte
+
+// Article is a struct that holds information about a knowledge-base article.
+type Article struct {
+	Index    uint64   `json:"index"`
+	URL      string   `json:"url"`
+	Title    string   `json:"title"`
+	Keywords []string `json:"keywords"`
+	Score    int
+}
+
+type ArticleList []*Article
+
+// GetArticleList returns the list of KB articles.
+func GetArticleList() (ArticleList, error) {
+	var articles ArticleList
+	err := json.Unmarshal(articleListString, &articles)
+
+	return articles, err
+}
+
+// GetSuggestions returns a list of up to 3 suggestions for the built-in list of KB articles matching the given user input.
+func GetSuggestions(userInput string) (ArticleList, error) {
+	articles, err := GetArticleList()
+	if err != nil {
+		return ArticleList{}, err
+	}
+
+	return GetSuggestionsFromArticleList(userInput, articles)
+}
+
+// GetSuggestionsFromArticleList returns a list of up to 3 suggestions for the given list of KB articles matching the given user input.
+func GetSuggestionsFromArticleList(userInput string, articles ArticleList) (ArticleList, error) {
+	userInput = strings.ToUpper(userInput)
+
+	for _, article := range articles {
+		for _, keyword := range article.Keywords {
+			if strings.Contains(userInput, strings.ToUpper(keyword)) {
+				article.Score++
+			}
+		}
+	}
+
+	articles = xslices.Filter(articles, func(article *Article) bool { return article.Score > 0 })
+	slices.SortFunc(articles, func(lhs, rhs *Article) bool { return lhs.Score > rhs.Score })
+
+	if len(articles) > 3 {
+		return articles[:3], nil
+	}
+
+	return articles, nil
+}
+
+// GetArticleIndex retrieves the index of an article from its url. if the article is not found, ErrArticleNotFound is returned.
+func GetArticleIndex(url string) (uint64, error) {
+	articles, err := GetArticleList()
+	if err != nil {
+		return 0, err
+	}
+
+	index := xslices.IndexFunc(articles, func(article *Article) bool { return strings.EqualFold(article.URL, url) })
+	if index == -1 {
+		return 0, ErrArticleNotFound
+	}
+	return uint64(index), nil
+}
+
+func simplifyUserInput(input string) string {
+	// replace any sequence not matching of the following with a single space:
+	// - letters in any language (accentuated or not)
+	// - numbers
+	// - the apostrophe character '
+	return strings.TrimSpace(regexp.MustCompile(`[^\p{L}\p{N}']+`).ReplaceAllString(input, " "))
+}

internal/kb/suggester_test.go

@@ -0,0 +1,91 @@
+// 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 kb
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func Test_ArticleList(t *testing.T) {
+	articles, err := GetArticleList()
+	require.NoError(t, err)
+	require.NotEmpty(t, articles)
+	var bits uint64
+	for _, article := range articles {
+		require.Truef(t, article.Index < 64, "Invalid KB article index %d, (must be < 64)", article.Index)
+		require.Zerof(t, bits&(1<<article.Index), "Duplicate index %d in knowledge base", article.Index)
+		bits |= bits | (1 << article.Index)
+		require.NotEmpty(t, article.URL, "KB article with index %d has no URL", article.Index)
+		require.NotEmpty(t, article.Title, "KB article with index %d has no title", article.Index)
+		require.NotEmpty(t, article.Keywords, "KB article with index %d has no keyword", article.Index)
+	}
+}
+
+func Test_GetSuggestions(t *testing.T) {
+	suggestions, err := GetSuggestions("Thunderbird is not working, error during password")
+	require.NoError(t, err)
+	count := len(suggestions)
+	require.True(t, (count > 0) && (count <= 3))
+	suggestions, err = GetSuggestions("Supercalifragilisticexpialidocious Sesquipedalian Worcestershire")
+	require.NoError(t, err)
+	require.Empty(t, suggestions)
+}
+
+func Test_GetSuggestionsFromArticleList(t *testing.T) {
+	articleList := ArticleList{}
+	suggestions, err := GetSuggestionsFromArticleList("Thunderbird", articleList)
+	require.NoError(t, err)
+	require.Empty(t, suggestions)
+
+	articleList = ArticleList{
+		&Article{
+			Index:    0,
+			URL:      "https://proton.me",
+			Title:    "Proton home page",
+			Keywords: []string{"proton"},
+		},
+		&Article{
+			Index:    1,
+			URL:      "https://mozilla.org",
+			Title:    "Mozilla home page",
+			Keywords: []string{"mozilla"},
+		},
+	}
+	suggestions, err = GetSuggestionsFromArticleList("PRoToN", articleList)
+	require.NoError(t, err)
+	require.Len(t, suggestions, 1)
+	require.Equal(t, suggestions[0].URL, "https://proton.me")
+}
+
+func Test_GetArticleIndex(t *testing.T) {
+	index1, err := GetArticleIndex("https://proton.me/support/bridge-for-linux")
+	require.NoError(t, err)
+
+	index2, err := GetArticleIndex("HTTPS://PROTON.ME/support/bridge-for-linux")
+	require.NoError(t, err)
+	require.Equal(t, index1, index2)
+
+	_, err = GetArticleIndex("https://proton.me")
+	require.ErrorIs(t, err, ErrArticleNotFound)
+}
+
+func Test_simplifyUserInput(t *testing.T) {
+	require.Equal(t, "word1 ñóÄ don't déjà 33 pizza", simplifyUserInput("  \nword1    \n\tñóÄ   don't\n\n\ndéjà, 33    pizza=🍕\n,\n"))
+}

internal/sentry/lang_default.go

@@ -15,18 +15,18 @@
 // 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 !windows
-// +build !windows
-
 package sentry
 
-import "os"
+import (
+	"github.com/jeandeaual/go-locale"
+	"github.com/sirupsen/logrus"
+)
 
 func GetSystemLang() string {
-	lang := os.Getenv("LC_ALL")
+	lang, err := locale.GetLanguage()
-	if lang == "" {
+	if err != nil {
-		lang = os.Getenv("LANG")
+		logrus.WithError(err).Error("Failed to get system language")
+		lang = "Unknown"
 	}
-
 	return lang
 }

internal/sentry/lang_windows.go

@@ -1,67 +0,0 @@
-// 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 windows
-// +build windows
-
-package sentry
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-const (
-	defaultLocaleUser   = "GetUserDefaultLocaleName"   // https://learn.microsoft.com/en-us/windows/win32/api/winnls/nf-winnls-getuserdefaultlocalename
-	defaultLocaleSystem = "GetSystemDefaultLocaleName" // https://learn.microsoft.com/en-us/windows/win32/api/winnls/nf-winnls-getsystemdefaultlocalename
-	localeNameMaxLength = 85                           // https://learn.microsoft.com/en-us/windows/win32/intl/locale-name-constants
-)
-
-func getLocale(dll *syscall.DLL, procName string) (string, error) {
-	proc, err := dll.FindProc(procName)
-	if err != nil {
-		return "errProc", err
-	}
-
-	b := make([]uint16, localeNameMaxLength)
-
-	r, _, err := proc.Call(uintptr(unsafe.Pointer(&b[0])), uintptr(localeNameMaxLength))
-	if r == 0 || err != nil {
-		return "errCall", err
-	}
-
-	return syscall.UTF16ToString(b), nil
-}
-
-func GetSystemLang() string {
-	dll, err := syscall.LoadDLL("kernel32")
-	if err != nil {
-		return "errDll"
-	}
-
-	defer func() {
-		_ = dll.Release()
-	}()
-
-	if lang, err := getLocale(dll, defaultLocaleUser); err == nil {
-		return lang
-	}
-
-	lang, _ := getLocale(dll, defaultLocaleSystem)
-
-	return lang
-}

internal/services/imapservice/connector.go

@@ -678,17 +678,27 @@ func (s *Connector) importMessage(
 
 	if err := s.identityState.WithAddrKR(s.addrID, func(_, addrKR *crypto.KeyRing) error {
 		var messageID string
-
+		p, err2 := parser.New(bytes.NewReader(literal))
+		if err2 != nil {
+			return fmt.Errorf("failed to parse literal: %w", err2)
+		}
 		if slices.Contains(labelIDs, proton.DraftsLabel) {
-			msg, err := s.createDraft(ctx, literal, addrKR, addr)
+			msg, err := s.createDraftWithParser(ctx, p, addrKR, addr)
 			if err != nil {
 				return fmt.Errorf("failed to create draft: %w", err)
 			}
 
 			// apply labels
-
 			messageID = msg.ID
 		} else {
+			// multipart body requires at least one text part to be properly encrypted.
+			if p.AttachEmptyTextPartIfNoneExists() {
+				buf := new(bytes.Buffer)
+				if err := p.NewWriter().Write(buf); err != nil {
+					return fmt.Errorf("failed build new MIMEBody: %w", err)
+				}
+				literal = buf.Bytes()
+			}
 			str, err := s.client.ImportMessages(ctx, addrKR, 1, 1, []proton.ImportReq{{
 				Metadata: proton.ImportMetadata{
 					AddressID: s.addrID,
@@ -728,13 +738,7 @@ func (s *Connector) importMessage(
 	return toIMAPMessage(full.MessageMetadata), literal, nil
 }
 
-func (s *Connector) createDraft(ctx context.Context, literal []byte, addrKR *crypto.KeyRing, sender proton.Address) (proton.Message, error) {
+func (s *Connector) createDraftWithParser(ctx context.Context, parser *parser.Parser, addrKR *crypto.KeyRing, sender proton.Address) (proton.Message, error) {
-	// Create a new message parser from the reader.
-	parser, err := parser.New(bytes.NewReader(literal))
-	if err != nil {
-		return proton.Message{}, fmt.Errorf("failed to create parser: %w", err)
-	}
-
 	message, err := message.ParseWithParser(parser, true)
 	if err != nil {
 		return proton.Message{}, fmt.Errorf("failed to parse message: %w", err)

internal/services/imapservice/service.go

@@ -274,6 +274,10 @@ func (s *Service) HandleRefreshEvent(ctx context.Context, _ proton.RefreshFlag)
 		return err
 	}
 
+	if err := s.rebuildConnectors(); err != nil {
+		return err
+	}
+
 	if err := s.syncStateProvider.ClearSyncStatus(ctx); err != nil {
 		return fmt.Errorf("failed to clear sync status:%w", err)
 	}
@@ -292,6 +296,7 @@ func (s *Service) HandleUserEvent(_ context.Context, user *proton.User) error {
 
 	return s.identityState.Write(func(identity *useridentity.State) error {
 		identity.OnUserEvent(*user)
+
 		return nil
 	})
 }

internal/services/imapservice/service_address_events.go

@@ -24,12 +24,18 @@ import (
 	"github.com/ProtonMail/go-proton-api"
 	"github.com/ProtonMail/proton-bridge/v3/internal/services/useridentity"
 	"github.com/ProtonMail/proton-bridge/v3/internal/usertypes"
+	"github.com/sirupsen/logrus"
 )
 
 func (s *Service) HandleAddressEvents(ctx context.Context, events []proton.AddressEvent) error {
 	s.log.Debug("handling address event")
 
 	if s.addressMode == usertypes.AddressModeCombined {
+		oldPrimaryAddr, err := s.identityState.GetPrimaryAddress()
+		if err != nil {
+			return fmt.Errorf("failed to get primary addr: %w", err)
+		}
+
 		if err := s.identityState.Write(func(identity *useridentity.State) error {
 			identity.OnAddressEvents(events)
 			return nil
@@ -38,6 +44,28 @@ func (s *Service) HandleAddressEvents(ctx context.Context, events []proton.Addre
 			return err
 		}
 
+		newPrimaryAddr, err := s.identityState.GetPrimaryAddress()
+		if err != nil {
+			return fmt.Errorf("failed to get primary addr after update: %w", err)
+		}
+
+		if oldPrimaryAddr.ID == newPrimaryAddr.ID {
+			return nil
+		}
+
+		connector, ok := s.connectors[oldPrimaryAddr.ID]
+		if !ok {
+			return fmt.Errorf("could not find old primary addr conncetor after default address change")
+		}
+
+		s.connectors[newPrimaryAddr.ID] = connector
+		delete(s.connectors, oldPrimaryAddr.ID)
+
+		s.log.WithFields(logrus.Fields{
+			"old": oldPrimaryAddr.Email,
+			"new": newPrimaryAddr.Email,
+		}).Debug("Primary address changed")
+
 		return nil
 	}
 

internal/services/imapservice/sync_reporter.go

@@ -19,15 +19,13 @@ package imapservice
 
 import (
 	"context"
+	"sync"
 	"time"
 
 	"github.com/ProtonMail/proton-bridge/v3/internal/events"
 )
 
-type syncReporter struct {
+type syncData struct {
-	userID         string
-	eventPublisher events.EventPublisher
-
 	start time.Time
 	total int64
 	count int64
@@ -36,8 +34,25 @@ type syncReporter struct {
 	freq time.Duration
 }
 
+type syncReporter struct {
+	userID         string
+	eventPublisher events.EventPublisher
+
+	dataLock sync.Mutex
+	data     syncData
+}
+
+func (rep *syncReporter) withData(f func(s *syncData)) {
+	rep.dataLock.Lock()
+	defer rep.dataLock.Unlock()
+
+	f(&rep.data)
+}
+
 func (rep *syncReporter) OnStart(ctx context.Context) {
-	rep.start = time.Now()
+	rep.withData(func(s *syncData) {
+		s.start = time.Now()
+	})
 	rep.eventPublisher.PublishEvent(ctx, events.SyncStarted{UserID: rep.userID})
 }
 
@@ -55,35 +70,38 @@ func (rep *syncReporter) OnError(ctx context.Context, err error) {
 }
 
 func (rep *syncReporter) OnProgress(ctx context.Context, delta int64) {
-	rep.count += delta
+	rep.withData(func(s *syncData) {
+		s.count += delta
+		var progress float64
+		var remaining time.Duration
 
-	var progress float64
+		// It's possible for count to be bigger or smaller than total depending on when the sync begins and whether new
-	var remaining time.Duration
+		// messages are added/removed during this period. When this happens just limited the progress to 100%.
+		if s.count > s.total {
+			progress = 1
+		} else {
+			progress = float64(s.count) / float64(s.total)
+			remaining = time.Since(s.start) * time.Duration(s.total-(s.count+1)) / time.Duration(s.count+1)
+		}
 
-	// It's possible for count to be bigger or smaller than total depending on when the sync begins and whether new
+		if time.Since(s.last) > s.freq {
-	// messages are added/removed during this period. When this happens just limited the progress to 100%.
+			rep.eventPublisher.PublishEvent(ctx, events.SyncProgress{
-	if rep.count > rep.total {
+				UserID:    rep.userID,
-		progress = 1
+				Progress:  progress,
-	} else {
+				Elapsed:   time.Since(s.start),
-		progress = float64(rep.count) / float64(rep.total)
+				Remaining: remaining,
-		remaining = time.Since(rep.start) * time.Duration(rep.total-(rep.count+1)) / time.Duration(rep.count+1)
+			})
-	}
 
-	if time.Since(rep.last) > rep.freq {
+			s.last = time.Now()
-		rep.eventPublisher.PublishEvent(ctx, events.SyncProgress{
+		}
-			UserID:    rep.userID,
+	})
-			Progress:  progress,
-			Elapsed:   time.Since(rep.start),
-			Remaining: remaining,
-		})
-
-		rep.last = time.Now()
-	}
 }
 
 func (rep *syncReporter) InitializeProgressCounter(_ context.Context, current int64, total int64) {
-	rep.count = current
+	rep.withData(func(s *syncData) {
-	rep.total = total
+		s.count = current
+		s.total = total
+	})
 }
 
 func newSyncReporter(userID string, eventsPublisher events.EventPublisher, freq time.Duration) *syncReporter {
@@ -91,7 +109,9 @@ func newSyncReporter(userID string, eventsPublisher events.EventPublisher, freq
 		userID:         userID,
 		eventPublisher: eventsPublisher,
 
-		start: time.Now(),
+		data: syncData{
-		freq:  freq,
+			start: time.Now(),
+			freq:  freq,
+		},
 	}
 }