chore: Xikou Bridge 3.8.1 changelog.

Changelog.md

@@ -3,6 +3,20 @@
 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

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?=3.8.0+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 updates: install-go-mod-outdated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 	go list -u -m -json all | go-mod-outdated -update -direct #-ci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/test.yml

@@ -71,7 +71,11 @@ test-integration-nightly:
   needs:
     - test-integration
   script:
-    - make test-integration-nightly
+    - make test-integration-nightly | tee -a nightly-job.log
+  artifacts:
+    when: always
+    paths:
+      - nightly-job.log
 
 test-windows:
   extends:
@@ -107,3 +111,18 @@ test-coverage:
       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

@@ -5,7 +5,7 @@ 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 v0.4.1-0.20231130083229-e8aa47d7a366
 	github.com/ProtonMail/gopenpgp/v2 v2.7.4-proton

go.sum

@@ -28,8 +28,8 @@ github.com/ProtonMail/bcrypt v0.0.0-20211005172633-e235017c1baf h1:yc9daCCYUefEs
 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 v0.17.1-0.20231114153341-2ecbdd2739f7/go.mod h1:Og5/Dz1MiGpCJn51XujZwxiLG7WzvvjE5PRpZBQmAHo=
+github.com/ProtonMail/gluon v0.17.1-0.20231206152152-caaf10897f9e h1:kHmSOTxynSip1WJvwZTFOGJPVfI42e/I8bDzDjLK7aM=
+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=

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/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/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.
-    bridgepp::Log &log(); ///< Return a reference to the log.
-    bridgepp::Log &bridgeGUILog(); ///< Return a reference to the bridge-gui log.
-    GRPCService &grpc(); ///< Return a reference to the gRPC service.
+    MainWindow &mainWindow() const; ///< Return the main window.
+    bridgepp::Log &log() const; ///< Return a reference to the log.
+    bridgepp::Log &bridgeGUILog() const; ///< Return a reference to the bridge-gui log.
+    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 *,
-    AuthMetadataProcessor::OutputMetadata *, AuthMetadataProcessor::OutputMetadata *) {
+Status GRPCMetadataProcessor::Process(InputMetadata const &authMetadata, AuthContext *,
+    OutputMetadata *, OutputMetadata *) {
     try {
-        AuthMetadataProcessor::InputMetadata::const_iterator pathIt = auth_metadata.find(":path");
-        QString const callName = (pathIt == auth_metadata.end()) ? ("unkown gRPC call") : QString::fromLocal8Bit(pathIt->second);
+        const InputMetadata::const_iterator pathIt = authMetadata.find(":path");
+        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();
-    UsersTab &usersTab = mainWindow.usersTab();
+    SettingsTab const &settingsTab = mainWindow.settingsTab();
+    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) {
-    emit setMailServerSettingsReceived(imapPort, smtpPort, useSSLForIMAP, userSSLForSMTP);
+void GRPCQtProxy::setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP) {
+    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 (useFileSocket) {
+        if (useFileSocketForGRPC()) {
             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;
@@ -354,25 +354,45 @@ 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());
     SPStreamEvent event;
-    switch (tab.nextBugReportResult()) {
-    case SettingsTab::BugReportResult::Success:
+    switch (eventsTab.nextBugReportResult()) {
+    case EventsTab::BugReportResult::Success:
         event = newReportBugSuccessEvent();
         break;
-    case SettingsTab::BugReportResult::Error:
+    case EventsTab::BugReportResult::Error:
         event = newReportBugErrorEvent();
         break;
-    case SettingsTab::BugReportResult::DataSharingError:
+    case EventsTab::BugReportResult::DataSharingError:
         event = newReportBugFallbackEvent();
         break;
     }
@@ -392,7 +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;
@@ -427,7 +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;
@@ -452,7 +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."));
@@ -542,12 +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()) {
-        qtProxy_.sendDelayedEvent(newDiskCacheErrorEvent(grpc::DiskCacheErrorType(CANT_MOVE_DISK_CACHE_ERROR)));
+    if (!eventsTab.nextCacheChangeWillSucceed()) {
+        qtProxy_.sendDelayedEvent(newDiskCacheErrorEvent(static_cast<DiskCacheErrorType>(CANT_MOVE_DISK_CACHE_ERROR)));
     } else {
         qtProxy_.setDiskCachePath(qPath);
         qtProxy_.sendDelayedEvent(newDiskCachePathChangedEvent(qPath));
@@ -584,7 +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));
@@ -597,9 +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());
@@ -626,7 +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;
 }
 
@@ -697,8 +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());
-    SPUser user = app().mainWindow().usersTab().userWithID(userID);
+    QString const userID = QString::fromStdString(request->value());
+    SPUser const user = app().mainWindow().usersTab().userWithID(userID);
     if (!user) {
         return Status(NOT_FOUND, QString("user not found %1").arg(userID).toStdString());
     }
@@ -766,14 +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;

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;

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) {
-    QTimer::singleShot(this->settingsTab().eventDelayMs(), [event] { app().grpc().sendEvent(event); });
+void MainWindow::sendDelayedEvent(SPStreamEvent const &event) const {
+    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.
-    UsersTab &usersTab(); ///< Returns a reference to the 'Users' tab.
+    SettingsTab &settingsTab() const; ///< Returns a reference the 'Settings' 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 addBridgeGUILogEntry(bridgepp::Log::Level level, const QString &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) 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>
-    <height>1086</height>
+    <width>1096</width>
+    <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>
 
 
@@ -31,18 +30,6 @@ QString const colorSchemeLight = "light"; ///< THe light color scheme name.
 }
 
 
-//****************************************************************************************************************************************************
-/// \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 *button, QLineEdit* edit, bridgepp::SPStreamEvent (*eventGenerator)(QString const &)) {
-    QObject::connect(button, &QPushButton::clicked, [edit, eventGenerator]() { app().grpc().sendEvent(eventGenerator(edit->text())); });
-}
-
-
 //****************************************************************************************************************************************************
 /// \param[in] parent The parent widget of the tab.
 //****************************************************************************************************************************************************
@@ -50,29 +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_.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()); });
-
     this->resetUI();
     this->updateGUIState();
 }
@@ -82,7 +46,7 @@ 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);
     }
@@ -101,7 +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);
 }
 
@@ -166,7 +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);
 }
 
@@ -182,7 +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);
 }
 
@@ -198,7 +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);
 }
 
@@ -214,7 +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);
 }
 
@@ -230,19 +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
 //****************************************************************************************************************************************************
@@ -292,7 +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);
@@ -305,7 +261,7 @@ 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->nextTLSCertInstallResult() == TLSCertInstallResult::Success);
 }
@@ -314,19 +270,11 @@ void SettingsTab::installTLSCertificate() {
 //****************************************************************************************************************************************************
 /// \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").arg(QDateTime::currentDateTime().toString(Qt::ISODateWithMs),folderPath));
 }
 
 
-//****************************************************************************************************************************************************
-/// \return The state of the check box.
-//****************************************************************************************************************************************************
-SettingsTab::BugReportResult SettingsTab::nextBugReportResult() const {
-    return BugReportResult(ui_.comboBugReportResult->currentIndex());
-}
-
-
 //****************************************************************************************************************************************************
 /// \return the state of the 'TLS Certificate is installed' check box.
 //****************************************************************************************************************************************************
@@ -339,7 +287,7 @@ bool SettingsTab::isTLSCertificateInstalled() const {
 /// \return The value for the 'Next TLS cert install result'.
 //****************************************************************************************************************************************************
 SettingsTab::TLSCertInstallResult SettingsTab::nextTLSCertInstallResult() const {
-    return TLSCertInstallResult(ui_.comboNextTLSCertInstallResult->currentIndex());
+    return static_cast<TLSCertInstallResult>(ui_.comboNextTLSCertInstallResult->currentIndex());
 }
 
 
@@ -370,7 +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();
 }
 
@@ -378,7 +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();
 }
 
@@ -389,7 +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);
@@ -424,23 +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);
 }
 
@@ -453,14 +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 value for the 'Automatic Update' check.
 //****************************************************************************************************************************************************
@@ -472,7 +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);
 }
 
@@ -521,19 +453,16 @@ void SettingsTab::resetUI() {
     ui_.editAddress->setText(QString());
     ui_.editDescription->setPlainText(QString());
     ui_.labelIncludeLogsValue->setText(QString());
-    ui_.comboBugReportResult->setCurrentIndex(0);
 
     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_.checkAutomaticUpdate->setChecked(true);
 

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

@@ -35,12 +35,6 @@ public: // data types.
         Failure = 2
     }; ///< Enumeration for the result of a TLS certificate installation.
 
-    enum class BugReportResult {
-        Success  = 0,
-        Error = 1,
-        DataSharingError = 2,
-    }; ///< Enumeration for the result of bug report sending
-
 public: // member functions.
     explicit SettingsTab(QWidget *parent = nullptr); ///< Default constructor.
     SettingsTab(SettingsTab const &) = delete; ///< Disabled copy-constructor.
@@ -60,45 +54,41 @@ 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.
-    BugReportResult nextBugReportResult() const; ///< Get the value of the 'Next bug report result' combo box.
     bool isTLSCertificateInstalled() const; ///< Get the status of the 'TLS Certificate is installed' check 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 smtpPort(); ///< Get the value of the SMTP port spin.
+    qint32 imapPort() const; ///< Get the value of the IMAP 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.
     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 setIsAutostartOn(bool on); ///< Set the value for the 'Autostart' check box.
-    void setIsBetaEnabled(bool enabled); ///< Set the value for the 'Beta Enabled' check box.
-    void setIsAllMailVisible(bool visible); ///< Set the value for the 'All Mail Visible' check box.
-    void setIsTelemetryDisabled(bool isDisabled); ///< 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 setClientPlatform(QString const &clientPlatform) const; ///< Set the client platform.
+    void setIsAutostartOn(bool on) const; ///< Set the value for the 'Autostart' check box.
+    void setIsBetaEnabled(bool enabled) const; ///< Set the value for the 'Beta Enabled' check box.
+    void setIsAllMailVisible(bool visible) const; ///< Set the value for the 'All Mail Visible' check box.
+    void setIsTelemetryDisabled(bool isDisabled) const; ///< Set the value for the 'Disable Telemetry' 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.
-    void installTLSCertificate(); ///< Install the TLS certificate.
-    void exportTLSCertificates(QString const &folderPath); ///< Export the TLS certificates.
-    void setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP); ///< Change the mail server settings.
-    void setIsDoHEnabled(bool enabled); ///< 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 setIsAutomaticUpdateOn(bool on); ///< Set the value for the 'Automatic Update' check box.
+        bool includeLogs) const; ///< Set the content of the bug report box.
+    void installTLSCertificate() const; ///< Install the TLS certificate.
+    void exportTLSCertificates(QString const &folderPath) const; ///< Export the TLS certificates.
+    void setMailServerSettings(qint32 imapPort, qint32 smtpPort, bool useSSLForIMAP, bool useSSLForSMTP) const; ///< Change the mail server settings.
+    void setIsDoHEnabled(bool enabled) const; ///< Set the value for the 'DoH Enabled' check box.
+    void setDiskCachePath(QString const &path) const; ///< Set the value for the 'Cache On Disk Enabled' check box.
+    void setIsAutomaticUpdateOn(bool on) const; ///< Set the value for the 'Automatic Update' check box.
 
 private: // member functions.
     void resetUI(); ///< Reset the widget.

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

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1160</width>
-    <height>777</height>
+    <width>1146</width>
+    <height>716</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -208,7 +208,7 @@
              <widget class="QLineEdit" name="editHostname">
               <property name="minimumSize">
                <size>
-                <width>200</width>
+                <width>0</width>
                 <height>0</height>
                </size>
               </property>
@@ -749,328 +749,6 @@
          </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">
-          <property name="spacing">
-           <number>4</number>
-          </property>
-          <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>
-           <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>
-           <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>
-           <widget class="QCheckBox" name="checkIsPortFree">
-            <property name="text">
-             <string>Reply true to the next 'Is Port Free' request.</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QCheckBox" name="checkNextCacheChangeWillSucceed">
-            <property name="text">
-             <string>Next Cache Change will succeed</string>
-            </property>
-           </widget>
-          </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>
-         </layout>
-        </widget>
-       </item>
       </layout>
      </item>
     </layout>
@@ -1096,8 +774,6 @@
   <tabstop>editDiskCachePath</tabstop>
   <tabstop>editOSVersion</tabstop>
   <tabstop>editEmailClient</tabstop>
-  <tabstop>spinEventDelay</tabstop>
-  <tabstop>checkIsPortFree</tabstop>
  </tabstops>
  <resources/>
  <connections/>

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

@@ -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());
-    user->setUsedBytes(usedBytes);
+    auto const usedBytes = static_cast<qint64>(ui_.spinUsedBytes->value());
+    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_->setTotalBytes(float(ui_.spinTotalBytes->value()));
+    user_->setUsedBytes(static_cast<float>(ui_.spinUsedBytes->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() {
-    return UserState(ui_.comboState->currentIndex());
+UserState UserDialog::state() const {
+    return static_cast<UserState>(ui_.comboState->currentIndex());
 }
 
 
 //****************************************************************************************************************************************************
 /// \param[in] state The user state to select in the dialog.
 //****************************************************************************************************************************************************
-void UserDialog::setState(UserState state) {
-    ui_.comboState->setCurrentIndex(qint32(state));
+void UserDialog::setState(UserState state) const {
+    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.
-    void setState(bridgepp::UserState state); ///< Set the user state selected in the dialog
+    bridgepp::UserState state() const; ///< Get 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

@@ -303,6 +303,16 @@ void QMLBackend::openExternalLink(QString const &url) {
 }
 
 
+//****************************************************************************************************************************************************
+/// \param[in] categoryID The ID of the bug report category.
+//****************************************************************************************************************************************************
+void QMLBackend::requestKnowledgeBaseSuggestions(qint8 categoryID) const {
+    HANDLE_EXCEPTION(
+        app().grpc().requestKnowledgeBaseSuggestions(reportFlow_.collectUserInput(categoryID));
+    )
+}
+
+
 //****************************************************************************************************************************************************
 /// \return The value for the 'showOnStartup' property.
 //****************************************************************************************************************************************************
@@ -1305,6 +1315,7 @@ 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::cantMoveDiskCache, this, &QMLBackend::cantMoveDiskCache);

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

@@ -66,6 +66,7 @@ public: // member functions.
     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 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)
@@ -278,6 +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/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 {
-            id: infoImage
+        InfoTooltip {
             Layout.alignment: Qt.AlignVCenter
+            Layout.topMargin: 4
             Layout.bottomMargin: root._bottomMargin
-            color: root.colorScheme.interaction_norm
-            height: 21
-            width: 21
-            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
-                }
-            }
+            colorScheme: root.colorScheme
+            text: root.hint
+            size: 16
         }
 
         // 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: Backend.openExternalLink(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/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/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

@@ -64,11 +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.width: 16
+        sourceSize.height: 14
+        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/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

@@ -247,6 +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.
 //****************************************************************************************************************************************************

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 {
@@ -39,6 +40,7 @@ SPStreamEvent newCertificateInstallSuccessEvent(); ///< Create a new Certificate
 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.

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.");
     }

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);
@@ -106,9 +121,10 @@ 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
 
@@ -117,8 +133,8 @@ signals:
     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.

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);
@@ -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
 //**********************************************************
@@ -478,6 +489,7 @@ message UserEvent {
   }
 }
 
+
 message ToggleSplitModeFinishedEvent {
   string userID = 1;
 }

internal/frontend/grpc/bridge_grpc.pb.go

@@ -38,68 +38,69 @@ import (
 const _ = grpc.SupportPackageIsVersion7
 
 const (
-	Bridge_CheckTokens_FullMethodName               = "/grpc.Bridge/CheckTokens"
-	Bridge_AddLogEntry_FullMethodName               = "/grpc.Bridge/AddLogEntry"
-	Bridge_GuiReady_FullMethodName                  = "/grpc.Bridge/GuiReady"
-	Bridge_Quit_FullMethodName                      = "/grpc.Bridge/Quit"
-	Bridge_Restart_FullMethodName                   = "/grpc.Bridge/Restart"
-	Bridge_ShowOnStartup_FullMethodName             = "/grpc.Bridge/ShowOnStartup"
-	Bridge_SetIsAutostartOn_FullMethodName          = "/grpc.Bridge/SetIsAutostartOn"
-	Bridge_IsAutostartOn_FullMethodName             = "/grpc.Bridge/IsAutostartOn"
-	Bridge_SetIsBetaEnabled_FullMethodName          = "/grpc.Bridge/SetIsBetaEnabled"
-	Bridge_IsBetaEnabled_FullMethodName             = "/grpc.Bridge/IsBetaEnabled"
-	Bridge_SetIsAllMailVisible_FullMethodName       = "/grpc.Bridge/SetIsAllMailVisible"
-	Bridge_IsAllMailVisible_FullMethodName          = "/grpc.Bridge/IsAllMailVisible"
-	Bridge_SetIsTelemetryDisabled_FullMethodName    = "/grpc.Bridge/SetIsTelemetryDisabled"
-	Bridge_IsTelemetryDisabled_FullMethodName       = "/grpc.Bridge/IsTelemetryDisabled"
-	Bridge_GoOs_FullMethodName                      = "/grpc.Bridge/GoOs"
-	Bridge_TriggerReset_FullMethodName              = "/grpc.Bridge/TriggerReset"
-	Bridge_Version_FullMethodName                   = "/grpc.Bridge/Version"
-	Bridge_LogsPath_FullMethodName                  = "/grpc.Bridge/LogsPath"
-	Bridge_LicensePath_FullMethodName               = "/grpc.Bridge/LicensePath"
-	Bridge_ReleaseNotesPageLink_FullMethodName      = "/grpc.Bridge/ReleaseNotesPageLink"
-	Bridge_DependencyLicensesLink_FullMethodName    = "/grpc.Bridge/DependencyLicensesLink"
-	Bridge_LandingPageLink_FullMethodName           = "/grpc.Bridge/LandingPageLink"
-	Bridge_SetColorSchemeName_FullMethodName        = "/grpc.Bridge/SetColorSchemeName"
-	Bridge_ColorSchemeName_FullMethodName           = "/grpc.Bridge/ColorSchemeName"
-	Bridge_CurrentEmailClient_FullMethodName        = "/grpc.Bridge/CurrentEmailClient"
-	Bridge_ReportBug_FullMethodName                 = "/grpc.Bridge/ReportBug"
-	Bridge_ForceLauncher_FullMethodName             = "/grpc.Bridge/ForceLauncher"
-	Bridge_SetMainExecutable_FullMethodName         = "/grpc.Bridge/SetMainExecutable"
-	Bridge_Login_FullMethodName                     = "/grpc.Bridge/Login"
-	Bridge_Login2FA_FullMethodName                  = "/grpc.Bridge/Login2FA"
-	Bridge_Login2Passwords_FullMethodName           = "/grpc.Bridge/Login2Passwords"
-	Bridge_LoginAbort_FullMethodName                = "/grpc.Bridge/LoginAbort"
-	Bridge_CheckUpdate_FullMethodName               = "/grpc.Bridge/CheckUpdate"
-	Bridge_InstallUpdate_FullMethodName             = "/grpc.Bridge/InstallUpdate"
-	Bridge_SetIsAutomaticUpdateOn_FullMethodName    = "/grpc.Bridge/SetIsAutomaticUpdateOn"
-	Bridge_IsAutomaticUpdateOn_FullMethodName       = "/grpc.Bridge/IsAutomaticUpdateOn"
-	Bridge_DiskCachePath_FullMethodName             = "/grpc.Bridge/DiskCachePath"
-	Bridge_SetDiskCachePath_FullMethodName          = "/grpc.Bridge/SetDiskCachePath"
-	Bridge_SetIsDoHEnabled_FullMethodName           = "/grpc.Bridge/SetIsDoHEnabled"
-	Bridge_IsDoHEnabled_FullMethodName              = "/grpc.Bridge/IsDoHEnabled"
-	Bridge_MailServerSettings_FullMethodName        = "/grpc.Bridge/MailServerSettings"
-	Bridge_SetMailServerSettings_FullMethodName     = "/grpc.Bridge/SetMailServerSettings"
-	Bridge_Hostname_FullMethodName                  = "/grpc.Bridge/Hostname"
-	Bridge_IsPortFree_FullMethodName                = "/grpc.Bridge/IsPortFree"
-	Bridge_AvailableKeychains_FullMethodName        = "/grpc.Bridge/AvailableKeychains"
-	Bridge_SetCurrentKeychain_FullMethodName        = "/grpc.Bridge/SetCurrentKeychain"
-	Bridge_CurrentKeychain_FullMethodName           = "/grpc.Bridge/CurrentKeychain"
-	Bridge_GetUserList_FullMethodName               = "/grpc.Bridge/GetUserList"
-	Bridge_GetUser_FullMethodName                   = "/grpc.Bridge/GetUser"
-	Bridge_SetUserSplitMode_FullMethodName          = "/grpc.Bridge/SetUserSplitMode"
-	Bridge_SendBadEventUserFeedback_FullMethodName  = "/grpc.Bridge/SendBadEventUserFeedback"
-	Bridge_LogoutUser_FullMethodName                = "/grpc.Bridge/LogoutUser"
-	Bridge_RemoveUser_FullMethodName                = "/grpc.Bridge/RemoveUser"
-	Bridge_ConfigureUserAppleMail_FullMethodName    = "/grpc.Bridge/ConfigureUserAppleMail"
-	Bridge_ReportBugClicked_FullMethodName          = "/grpc.Bridge/ReportBugClicked"
-	Bridge_AutoconfigClicked_FullMethodName         = "/grpc.Bridge/AutoconfigClicked"
-	Bridge_ExternalLinkClicked_FullMethodName       = "/grpc.Bridge/ExternalLinkClicked"
-	Bridge_IsTLSCertificateInstalled_FullMethodName = "/grpc.Bridge/IsTLSCertificateInstalled"
-	Bridge_InstallTLSCertificate_FullMethodName     = "/grpc.Bridge/InstallTLSCertificate"
-	Bridge_ExportTLSCertificates_FullMethodName     = "/grpc.Bridge/ExportTLSCertificates"
-	Bridge_RunEventStream_FullMethodName            = "/grpc.Bridge/RunEventStream"
-	Bridge_StopEventStream_FullMethodName           = "/grpc.Bridge/StopEventStream"
+	Bridge_CheckTokens_FullMethodName                     = "/grpc.Bridge/CheckTokens"
+	Bridge_AddLogEntry_FullMethodName                     = "/grpc.Bridge/AddLogEntry"
+	Bridge_GuiReady_FullMethodName                        = "/grpc.Bridge/GuiReady"
+	Bridge_Quit_FullMethodName                            = "/grpc.Bridge/Quit"
+	Bridge_Restart_FullMethodName                         = "/grpc.Bridge/Restart"
+	Bridge_ShowOnStartup_FullMethodName                   = "/grpc.Bridge/ShowOnStartup"
+	Bridge_SetIsAutostartOn_FullMethodName                = "/grpc.Bridge/SetIsAutostartOn"
+	Bridge_IsAutostartOn_FullMethodName                   = "/grpc.Bridge/IsAutostartOn"
+	Bridge_SetIsBetaEnabled_FullMethodName                = "/grpc.Bridge/SetIsBetaEnabled"
+	Bridge_IsBetaEnabled_FullMethodName                   = "/grpc.Bridge/IsBetaEnabled"
+	Bridge_SetIsAllMailVisible_FullMethodName             = "/grpc.Bridge/SetIsAllMailVisible"
+	Bridge_IsAllMailVisible_FullMethodName                = "/grpc.Bridge/IsAllMailVisible"
+	Bridge_SetIsTelemetryDisabled_FullMethodName          = "/grpc.Bridge/SetIsTelemetryDisabled"
+	Bridge_IsTelemetryDisabled_FullMethodName             = "/grpc.Bridge/IsTelemetryDisabled"
+	Bridge_GoOs_FullMethodName                            = "/grpc.Bridge/GoOs"
+	Bridge_TriggerReset_FullMethodName                    = "/grpc.Bridge/TriggerReset"
+	Bridge_Version_FullMethodName                         = "/grpc.Bridge/Version"
+	Bridge_LogsPath_FullMethodName                        = "/grpc.Bridge/LogsPath"
+	Bridge_LicensePath_FullMethodName                     = "/grpc.Bridge/LicensePath"
+	Bridge_ReleaseNotesPageLink_FullMethodName            = "/grpc.Bridge/ReleaseNotesPageLink"
+	Bridge_DependencyLicensesLink_FullMethodName          = "/grpc.Bridge/DependencyLicensesLink"
+	Bridge_LandingPageLink_FullMethodName                 = "/grpc.Bridge/LandingPageLink"
+	Bridge_SetColorSchemeName_FullMethodName              = "/grpc.Bridge/SetColorSchemeName"
+	Bridge_ColorSchemeName_FullMethodName                 = "/grpc.Bridge/ColorSchemeName"
+	Bridge_CurrentEmailClient_FullMethodName              = "/grpc.Bridge/CurrentEmailClient"
+	Bridge_ReportBug_FullMethodName                       = "/grpc.Bridge/ReportBug"
+	Bridge_ForceLauncher_FullMethodName                   = "/grpc.Bridge/ForceLauncher"
+	Bridge_SetMainExecutable_FullMethodName               = "/grpc.Bridge/SetMainExecutable"
+	Bridge_RequestKnowledgeBaseSuggestions_FullMethodName = "/grpc.Bridge/RequestKnowledgeBaseSuggestions"
+	Bridge_Login_FullMethodName                           = "/grpc.Bridge/Login"
+	Bridge_Login2FA_FullMethodName                        = "/grpc.Bridge/Login2FA"
+	Bridge_Login2Passwords_FullMethodName                 = "/grpc.Bridge/Login2Passwords"
+	Bridge_LoginAbort_FullMethodName                      = "/grpc.Bridge/LoginAbort"
+	Bridge_CheckUpdate_FullMethodName                     = "/grpc.Bridge/CheckUpdate"
+	Bridge_InstallUpdate_FullMethodName                   = "/grpc.Bridge/InstallUpdate"
+	Bridge_SetIsAutomaticUpdateOn_FullMethodName          = "/grpc.Bridge/SetIsAutomaticUpdateOn"
+	Bridge_IsAutomaticUpdateOn_FullMethodName             = "/grpc.Bridge/IsAutomaticUpdateOn"
+	Bridge_DiskCachePath_FullMethodName                   = "/grpc.Bridge/DiskCachePath"
+	Bridge_SetDiskCachePath_FullMethodName                = "/grpc.Bridge/SetDiskCachePath"
+	Bridge_SetIsDoHEnabled_FullMethodName                 = "/grpc.Bridge/SetIsDoHEnabled"
+	Bridge_IsDoHEnabled_FullMethodName                    = "/grpc.Bridge/IsDoHEnabled"
+	Bridge_MailServerSettings_FullMethodName              = "/grpc.Bridge/MailServerSettings"
+	Bridge_SetMailServerSettings_FullMethodName           = "/grpc.Bridge/SetMailServerSettings"
+	Bridge_Hostname_FullMethodName                        = "/grpc.Bridge/Hostname"
+	Bridge_IsPortFree_FullMethodName                      = "/grpc.Bridge/IsPortFree"
+	Bridge_AvailableKeychains_FullMethodName              = "/grpc.Bridge/AvailableKeychains"
+	Bridge_SetCurrentKeychain_FullMethodName              = "/grpc.Bridge/SetCurrentKeychain"
+	Bridge_CurrentKeychain_FullMethodName                 = "/grpc.Bridge/CurrentKeychain"
+	Bridge_GetUserList_FullMethodName                     = "/grpc.Bridge/GetUserList"
+	Bridge_GetUser_FullMethodName                         = "/grpc.Bridge/GetUser"
+	Bridge_SetUserSplitMode_FullMethodName                = "/grpc.Bridge/SetUserSplitMode"
+	Bridge_SendBadEventUserFeedback_FullMethodName        = "/grpc.Bridge/SendBadEventUserFeedback"
+	Bridge_LogoutUser_FullMethodName                      = "/grpc.Bridge/LogoutUser"
+	Bridge_RemoveUser_FullMethodName                      = "/grpc.Bridge/RemoveUser"
+	Bridge_ConfigureUserAppleMail_FullMethodName          = "/grpc.Bridge/ConfigureUserAppleMail"
+	Bridge_ReportBugClicked_FullMethodName                = "/grpc.Bridge/ReportBugClicked"
+	Bridge_AutoconfigClicked_FullMethodName               = "/grpc.Bridge/AutoconfigClicked"
+	Bridge_ExternalLinkClicked_FullMethodName             = "/grpc.Bridge/ExternalLinkClicked"
+	Bridge_IsTLSCertificateInstalled_FullMethodName       = "/grpc.Bridge/IsTLSCertificateInstalled"
+	Bridge_InstallTLSCertificate_FullMethodName           = "/grpc.Bridge/InstallTLSCertificate"
+	Bridge_ExportTLSCertificates_FullMethodName           = "/grpc.Bridge/ExportTLSCertificates"
+	Bridge_RunEventStream_FullMethodName                  = "/grpc.Bridge/RunEventStream"
+	Bridge_StopEventStream_FullMethodName                 = "/grpc.Bridge/StopEventStream"
 )
 
 // BridgeClient is the client API for Bridge service.
@@ -135,6 +136,7 @@ type BridgeClient interface {
 	ReportBug(ctx context.Context, in *ReportBugRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	ForceLauncher(ctx context.Context, in *wrapperspb.StringValue, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	SetMainExecutable(ctx context.Context, in *wrapperspb.StringValue, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	RequestKnowledgeBaseSuggestions(ctx context.Context, in *wrapperspb.StringValue, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// login
 	Login(ctx context.Context, in *LoginRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	Login2FA(ctx context.Context, in *LoginRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
@@ -440,6 +442,15 @@ func (c *bridgeClient) SetMainExecutable(ctx context.Context, in *wrapperspb.Str
 	return out, nil
 }
 
+func (c *bridgeClient) RequestKnowledgeBaseSuggestions(ctx context.Context, in *wrapperspb.StringValue, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, Bridge_RequestKnowledgeBaseSuggestions_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *bridgeClient) Login(ctx context.Context, in *LoginRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, Bridge_Login_FullMethodName, in, out, opts...)
@@ -802,6 +813,7 @@ type BridgeServer interface {
 	ReportBug(context.Context, *ReportBugRequest) (*emptypb.Empty, error)
 	ForceLauncher(context.Context, *wrapperspb.StringValue) (*emptypb.Empty, error)
 	SetMainExecutable(context.Context, *wrapperspb.StringValue) (*emptypb.Empty, error)
+	RequestKnowledgeBaseSuggestions(context.Context, *wrapperspb.StringValue) (*emptypb.Empty, error)
 	// login
 	Login(context.Context, *LoginRequest) (*emptypb.Empty, error)
 	Login2FA(context.Context, *LoginRequest) (*emptypb.Empty, error)
@@ -936,6 +948,9 @@ func (UnimplementedBridgeServer) ForceLauncher(context.Context, *wrapperspb.Stri
 func (UnimplementedBridgeServer) SetMainExecutable(context.Context, *wrapperspb.StringValue) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method SetMainExecutable not implemented")
 }
+func (UnimplementedBridgeServer) RequestKnowledgeBaseSuggestions(context.Context, *wrapperspb.StringValue) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method RequestKnowledgeBaseSuggestions not implemented")
+}
 func (UnimplementedBridgeServer) Login(context.Context, *LoginRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Login not implemented")
 }
@@ -1555,6 +1570,24 @@ func _Bridge_SetMainExecutable_Handler(srv interface{}, ctx context.Context, dec
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Bridge_RequestKnowledgeBaseSuggestions_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(wrapperspb.StringValue)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BridgeServer).RequestKnowledgeBaseSuggestions(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Bridge_RequestKnowledgeBaseSuggestions_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BridgeServer).RequestKnowledgeBaseSuggestions(ctx, req.(*wrapperspb.StringValue))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Bridge_Login_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(LoginRequest)
 	if err := dec(in); err != nil {
@@ -2289,6 +2322,10 @@ var Bridge_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "SetMainExecutable",
 			Handler:    _Bridge_SetMainExecutable_Handler,
 		},
+		{
+			MethodName: "RequestKnowledgeBaseSuggestions",
+			Handler:    _Bridge_RequestKnowledgeBaseSuggestions_Handler,
+		},
 		{
 			MethodName: "Login",
 			Handler:    _Bridge_Login_Handler,

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}}})
 }

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"),

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/services/syncservice/stage_metadata_test.go

@@ -102,9 +102,6 @@ func TestMetadataStage_JobCorrectlyFinishesAfterCancel(t *testing.T) {
 	// read one output then cancel
 	request, err := output.Consume(ctx)
 	require.NoError(t, err)
-	request.onFinished(ctx)
-	// cancel job context
-	jobCancel()
 
 	wg := sync.WaitGroup{}
 	wg.Add(1)
@@ -117,10 +114,13 @@ func TestMetadataStage_JobCorrectlyFinishesAfterCancel(t *testing.T) {
 				return
 			}
 
+			// cancel job context
+			jobCancel()
 			req.checkCancelled()
 		}
 	}()
 	wg.Wait()
+	request.onFinished(ctx)
 	err = tj.job.waitAndClose(ctx)
 	require.Error(t, err)
 	require.ErrorIs(t, err, context.Canceled)

internal/user/config_status.go

@@ -20,9 +20,11 @@ package user
 import (
 	"context"
 	"encoding/json"
+	"errors"
 
 	"github.com/ProtonMail/gluon/reporter"
 	"github.com/ProtonMail/proton-bridge/v3/internal/configstatus"
+	"github.com/ProtonMail/proton-bridge/v3/internal/kb"
 )
 
 func (user *User) SendConfigStatusSuccess(ctx context.Context) {
@@ -193,39 +195,25 @@ func (user *User) AutoconfigUsed(client string) {
 	}
 }
 
-func (user *User) ExternalLinkClicked(article string) {
+func (user *User) ExternalLinkClicked(url string) {
 	if !user.configStatus.IsPending() {
 		return
 	}
 
-	var trackedLinks = [...]string{
-		"https://proton.me/support/bridge",
-		"https://proton.me/support/protonmail-bridge-clients-apple-mail",
-		"https://proton.me/support/protonmail-bridge-clients-macos-outlook-2019",
-		"https://proton.me/support/protonmail-bridge-clients-windows-outlook-2019",
-		"https://proton.me/support/protonmail-bridge-clients-windows-thunderbird",
-		"https://proton.me/support/protonmail-bridge-configure-client",
-		"https://proton.me/support/bridge-address-list-has-changed",
-		"https://proton.me/blog/tls-ssl-certificate#Extra-security-precautions-taken-by-ProtonMail",
-		"https://proton.me/support/bridge-cant-move-cache",
-		"https://proton.me/support/difference-combined-addresses-mode-split-addresses-mode",
-		"https://proton.me/support/bridge-imap-login-failed",
-		"https://proton.me/support/port-already-occupied-error",
-		"https://proton.me/support/bridge-cannot-access-keychain",
-		"https://proton.me/support/protonmail-bridge-manual-update",
-		"https://proton.me/support/bridge-internal-error",
-		"https://proton.me/support/apple-mail-certificate",
-		"https://proton.me/support/macos-certificate-warning",
-		"https://proton.me/support/why-you-need-bridge",
+	const externalLinkWasClicked = "External link was clicked."
+	index, err := kb.GetArticleIndex(url)
+	if err != nil {
+		if errors.Is(err, kb.ErrArticleNotFound) {
+			user.log.WithField("report", false).WithField("url", url).Debug(externalLinkWasClicked)
+		} else {
+			user.log.WithError(err).Error("Failed to retrieve list of KB articles.")
+		}
+		return
 	}
 
-	for id, url := range trackedLinks {
-		if url == article {
-			if err := user.configStatus.RecordLinkClicked(uint(id)); err != nil {
-				user.log.WithError(err).Error("Failed to log LinkClicked in config_status.")
-			}
-			return
-		}
+	if err := user.configStatus.RecordLinkClicked(index); err != nil {
+		user.log.WithError(err).Error("Failed to log LinkClicked in config_status.")
+	} else {
+		user.log.WithField("report", true).WithField("url", url).Debug(externalLinkWasClicked)
 	}
-	user.log.WithField("article", article).Error("Failed to find KB article id.")
 }

utils/gobinsec_conf.yml

@@ -1,21 +0,0 @@
----
-
-wait: true
-strict: true
-
-file:
-  name: "./gobinsec-cache.yml"
-  expiration: "24h"
-
-ignore:
-  # golang.org/x/net wrong match, we are using v0.1.0, fixed by 37e1c6af in v0.0.xxx
-  - "CVE-2021-33194"
-  # golang.org/x/crypto wrong match, we are using v0.1.0 all of this have been fixed in vO.O.xx
-  - "CVE-2019-11840"
-  - "CVE-2020-29652"
-  - "CVE-2021-43565"
-  - "CVE-2022-27191"
-  - "CVE-2020-9283"
-  - "CVE-2017-3204"
-  # golang.org/x/text wrong match, we are using v0.4.0, fixed in a previous version
-  - "CVE-2020-14040"

utils/gobinsec_update.sh

@@ -1,32 +0,0 @@
-#!/bin/bash
-
-# 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/>.
-
-cd "$(\
-    cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd \
-    )"/gobinsec_update || exit 1
-
-for i in $(seq 10); do
-    echo "Trying $i"
-    if make run; then
-        echo "Try $i succeeded"
-        break
-    fi
-    echo "Waiting to try again..."
-    sleep 30
-done

utils/gobinsec_update/Makefile

@@ -1,6 +0,0 @@
-
-
-run:
-	FILECACHE_FILE=gobinsec-cache-valid.yml \
-		    FILECACHE_EXPIRATION=1h \
-		    go run main.go

utils/gobinsec_update/go.mod

@@ -1,15 +0,0 @@
-module gobinsec_update
-
-go 1.18
-
-require github.com/intercloud/gobinsec v0.10.2
-
-require (
-	github.com/bradfitz/gomemcache v0.0.0-20220106215444-fb4bf637b56d // indirect
-	github.com/fatih/color v1.13.0 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.16 // indirect
-	github.com/memcachier/gomemcache v0.0.0-20170425125614-d027381f7653 // indirect
-	golang.org/x/sys v0.1.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-)

utils/gobinsec_update/go.sum

@@ -1,33 +0,0 @@
-github.com/bradfitz/gomemcache v0.0.0-20220106215444-fb4bf637b56d h1:pVrfxiGfwelyab6n21ZBkbkmbevaf+WvMIiR7sr97hw=
-github.com/bradfitz/gomemcache v0.0.0-20220106215444-fb4bf637b56d/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA=
-github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
-github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
-github.com/intercloud/gobinsec v0.10.2 h1:4L2d4SaIqlHnUQ6Hlg1E51dqUg4jK+TpSILVTHaEvx4=
-github.com/intercloud/gobinsec v0.10.2/go.mod h1:Y/AMKT0aQM40WDkTqlEe18W/IL6ZUuuJjdOXdayi+CI=
-github.com/mattn/go-colorable v0.1.9/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
-github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
-github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
-github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
-github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
-github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
-github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
-github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
-github.com/mattn/go-isatty v0.0.16 h1:bq3VjFmv/sOjHtdEhmkEV4x1AJtvUvOJ2PFAZ5+peKQ=
-github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
-github.com/memcachier/gomemcache v0.0.0-20170425125614-d027381f7653 h1:222emoxOt/bCmNHp8Xt0Pr5Am3gIbqRKFpb4CQ9O2SI=
-github.com/memcachier/gomemcache v0.0.0-20170425125614-d027381f7653/go.mod h1:KoYVbOQexD45AOLfn+gsFB6c3o4ANzP1QKzjE6tZbK0=
-golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220422013727-9388b58f7150 h1:xHms4gcpe1YE7A3yIllJXP16CMAGuqwO2lX1mTyyRRc=
-golang.org/x/sys v0.0.0-20220422013727-9388b58f7150/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
-golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

utils/gobinsec_update/main.go

@@ -1,76 +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/>
-
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"regexp"
-	"strings"
-
-	"github.com/intercloud/gobinsec/gobinsec"
-)
-
-type Depend struct {
-	Name    string
-	Version string
-}
-
-func loadDependencies(file string) []Depend {
-	var dependencies []Depend
-	txt, err := ioutil.ReadFile(file)
-	if err != nil {
-		return dependencies
-	}
-	re := regexp.MustCompile(`\t[a-zA-Z0-9-\/\.]* v.*`)
-	matches := re.FindAllString(string(txt), -1)
-	for _, str := range matches {
-		withoutTab := strings.Split(str, "\t")
-		split := strings.Split(withoutTab[1], " ")
-		dependencies = append(dependencies, Depend{split[0], split[1]})
-	}
-	return dependencies
-}
-
-func main() {
-	dependencies := loadDependencies("../../go.mod")
-
-	if err := gobinsec.LoadConfig("", true, true, true, true); err != nil {
-		panic(err)
-	}
-
-	if err := gobinsec.BuildCache(); err != nil {
-		panic(err)
-	}
-
-	for _, dep := range dependencies {
-		fmt.Println("... Checking " + dep.Name + " " + dep.Version)
-		dep, err := gobinsec.NewDependency(dep.Name, dep.Version)
-		if err != nil {
-			panic(err)
-		}
-
-		if err := dep.LoadVulnerabilities(); err != nil {
-			panic(err)
-		}
-
-		if err := gobinsec.CacheInstance.Close(); err != nil {
-			panic(err)
-		}
-	}
-}

utils/govulncheck.sh

@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+
+# 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/>.
+
+
+set -eo pipefail
+
+main(){
+    go install golang.org/x/vuln/cmd/govulncheck@latest
+    make gofiles
+    govulncheck -json ./... > vulns.json
+
+    jq -r '.osv.id | select( . != null )' < vulns.json > vulns_osv_ids.txt
+
+    ignore GO-2023-2102 "GODT-3160 update go to 1.21.4"
+    ignore GO-2023-2043 "GODT-3160 update go to 1.21.4"
+    ignore GO-2023-2041 "GODT-3160 update go to 1.21.4"
+    ignore GO-2023-1878 "GODT-3160 update go to 1.21.4"
+    ignore GO-2023-1987 "GODT-3160 update go to 1.21.4"
+    ignore GO-2023-1840 "GODT-3160 update go to 1.21.4"
+    ignore GO-2023-2185 "GODT-3160 update go to 1.21.4"
+    ignore GO-2023-2186 "GODT-3160 update go to 1.21.4"
+    ignore GO-2023-2382 "GODT-3160 update go to 1.21.4"
+    ignore GO-2023-2328 "GODT-3124 RESTY race condition"
+
+    has_vulns
+
+    echo
+    echo "No new vulnerabilities found."
+}
+
+ignore(){
+    echo "ignoring $1 fix: $2"
+    cp vulns_osv_ids.txt tmp
+    grep -v "$1" < tmp > vulns_osv_ids.txt || true
+    rm tmp
+}
+
+has_vulns(){
+    has=false
+    while read -r osv; do
+        jq \
+            --arg osvid "$osv" \
+            '.osv | select ( .id == $osvid) | {"id":.id, "ranges": .affected[0].ranges,  "import": .affected[0].ecosystem_specific.imports[0].path}' \
+            < vulns.json
+        has=true
+    done < vulns_osv_ids.txt
+
+    if [ "$has" == true ]; then
+        echo
+        echo "Vulnerability found"
+        return 1
+    fi
+}
+
+main

utils/kb-suggester/kb-suggester.go

@@ -0,0 +1,137 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Proton Mail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"path/filepath"
+
+	"github.com/ProtonMail/proton-bridge/v3/internal/kb"
+	"github.com/urfave/cli/v2"
+)
+
+const flagArticles = "articles"
+const flagInput = "input"
+
+func main() {
+	app := &cli.App{
+		Name:            "kb-suggester",
+		Usage:           "test bridge KB article suggester",
+		HideHelpCommand: true,
+		ArgsUsage:       "",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:      flagArticles,
+				Aliases:   []string{"a"},
+				Usage:     "use `articles.json` as the JSON article list",
+				TakesFile: true,
+			},
+			&cli.StringFlag{
+				Name:      flagInput,
+				Aliases:   []string{"i"},
+				Usage:     "read user input from the `userInput` file",
+				TakesFile: true,
+			},
+		},
+		Action: run,
+	}
+
+	if err := app.Run(os.Args); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func getUserInput(ctx *cli.Context) (string, error) {
+	inputFile := ctx.String(flagInput)
+	var bytes []byte
+	var err error
+
+	if len(inputFile) == 0 {
+		var fi os.FileInfo
+		if fi, err = os.Stdin.Stat(); err != nil {
+			return "", err
+		}
+
+		if (fi.Mode() & os.ModeNamedPipe) == 0 {
+			fmt.Println("Type your input, Ctrl+D to finish: ")
+		}
+		bytes, err = io.ReadAll(os.Stdin)
+	} else {
+		bytes, err = os.ReadFile(filepath.Clean(inputFile))
+	}
+
+	if err != nil {
+		return "", err
+	}
+
+	return string(bytes), nil
+}
+
+func getArticleList(ctx *cli.Context) (kb.ArticleList, error) {
+	articleFile := ctx.String(flagArticles)
+	if len(articleFile) == 0 {
+		return kb.GetArticleList()
+	}
+
+	bytes, err := os.ReadFile(filepath.Clean(articleFile))
+	if err != nil {
+		return nil, err
+	}
+
+	var result kb.ArticleList
+	err = json.Unmarshal(bytes, &result)
+	return result, err
+}
+
+func run(ctx *cli.Context) error {
+	if ctx.Args().Len() > 0 {
+		_ = cli.ShowAppHelp(ctx)
+		return errors.New("command accept no argument")
+	}
+
+	articles, err := getArticleList(ctx)
+	if err != nil {
+		return err
+	}
+
+	userInput, err := getUserInput(ctx)
+	if err != nil {
+		return err
+	}
+
+	suggestions, err := kb.GetSuggestionsFromArticleList(userInput, articles)
+	if err != nil {
+		return err
+	}
+
+	if len(suggestions) == 0 {
+		fmt.Println("No suggestions found")
+		return nil
+	}
+
+	for _, suggestion := range suggestions {
+		fmt.Printf("Score %v: %v (%v)\n", suggestion.Score, suggestion.Title, suggestion.URL)
+	}
+
+	return nil
+}