Other: Bridge HZM 1.6.7 & Import-Export Farg 1.3.2

Refactor metainfo file a bit

Changelog.md

@@ -2,6 +2,70 @@
 
 Changelog [format](http://keepachangelog.com/en/1.0.0/)
 
+## [Bridge 1.6.7] HZM
+
+### Added
+* GODT-1111 Add correct metadata to Windows executables.
+* GODT-1112 Add application to Windows Firewall exclusion list on install.
+* GODT-1077 Track how many times message is built to help understand re-syncs.
+
+### Changed
+* GODT-247 Revise all storage locations (cache, config, local etc).
+
+### Fixed
+* GODT-948 Parser does not handle embedding of Content-Type: message/rfc822.
+* GODT-1079 Correct 9001 error handling on login.
+
+### Security
+* GODT-1105 Dylib Hijacking security fix.
+
+
+## [IE 1.3.2] Farg
+
+### Added
+* GODT-1111 Add correct metadata to Windows executables.
+* GODT-1112 Add application to Windows Firewall exclusion list on install.
+
+### Changed
+* GODT-247 Revise all storage locations (cache, config, local etc).
+
+### Fixed
+* GODT-1079 Correct 9001 error handling on login.
+
+### Security
+* GODT-1105 Dylib Hijacking security fix.
+
+
+## [IE 1.3.1] Farg
+
+### Changed
+* GODT-1047 No silent updates for Import-Export app.
+* GODT-247 Cache and update files moved from user's cache to config.
+
+### Fixed
+* Other: include latest go.mod/go.sum changes.
+* GODT-803 Fix import to wrong target address.
+* GODT-948 Embedded messages.
+* GODT-1043 Fix showing long login error in GUI dialog.
+
+
+## [Bridge 1.6.6] HZM
+
+### Added
+* Other: QA build checks for update every 5 minutes.
+* Other: QA build adds debug message dump when sending.
+
+### Changed
+* GODT-1045 build without Qt by default.
+
+### Fixed
+* GODT-1029 Fix tray icon not updating under certain conditions.
+* GODT-1062 Fix lost notification bar when window is closed.
+* GODT-1058 Install version after chaning channel right away only in case of downgrade.
+* GODT-1073 Re-write autostart link on every start if turned on in preferences.
+* GODT-1055 Fix flaky empty trash test.
+
+
 ## [Bridge 1.6.5] HZM
 
 ### Changed

Makefile

@@ -10,8 +10,8 @@ TARGET_OS?=${GOOS}
 .PHONY: build build-ie build-nogui build-ie-nogui build-launcher build-launcher-ie  versioner hasher
 
 # Keep version hardcoded so app build works also without Git repository.
-BRIDGE_APP_VERSION?=1.6.5+git
+BRIDGE_APP_VERSION?=1.6.7+git
-IE_APP_VERSION?=1.3.0+git
+IE_APP_VERSION?=1.3.2+git
 APP_VERSION:=${BRIDGE_APP_VERSION}
 SRC_ICO:=logo.ico
 SRC_ICNS:=Bridge.icns
@@ -19,6 +19,7 @@ SRC_SVG:=logo.svg
 TGT_ICNS:=Bridge.icns
 EXE_NAME:=proton-bridge
 CONFIGNAME:=bridge
+WINDRES_DEFINE:=BUILD_BRIDGE
 ifeq "${TARGET_CMD}" "Import-Export"
     APP_VERSION:=${IE_APP_VERSION}
     SRC_ICO:=ie.ico
@@ -27,13 +28,14 @@ ifeq "${TARGET_CMD}" "Import-Export"
     TGT_ICNS:=ImportExport.icns
     EXE_NAME:=proton-ie
     CONFIGNAME:=importExport
+	WINDRES_DEFINE:=BUILD_IE
 endif
 REVISION:=$(shell git rev-parse --short=10 HEAD)
 BUILD_TIME:=$(shell date +%FT%T%z)
 
 BUILD_FLAGS:=-tags='${BUILD_TAGS}'
 BUILD_FLAGS_LAUNCHER:=${BUILD_FLAGS}
-BUILD_FLAGS_NOGUI:=-tags='${BUILD_TAGS} nogui'
+BUILD_FLAGS_GUI:=-tags='${BUILD_TAGS} build_qt'
 GO_LDFLAGS:=$(addprefix -X github.com/ProtonMail/proton-bridge/internal/constants.,Version=${APP_VERSION} Revision=${REVISION} BuildTime=${BUILD_TIME})
 ifneq "${BUILD_LDFLAGS}" ""
     GO_LDFLAGS+=${BUILD_LDFLAGS}
@@ -45,7 +47,7 @@ ifeq "${TARGET_OS}" "windows"
 endif
 
 BUILD_FLAGS+=-ldflags '${GO_LDFLAGS}'
-BUILD_FLAGS_NOGUI+=-ldflags '${GO_LDFLAGS}'
+BUILD_FLAGS_GUI+=-ldflags '${GO_LDFLAGS}'
 BUILD_FLAGS_LAUNCHER+=-ldflags '${GO_LDFLAGS_LAUNCHER}'
 
 DEPLOY_DIR:=cmd/${TARGET_CMD}/deploy
@@ -56,7 +58,7 @@ EXE_QT:=${DIRNAME}
 ifeq "${TARGET_OS}" "windows"
     EXE:=${EXE}.exe
     EXE_QT:=${EXE_QT}.exe
-    ICO_FILES:=${SRC_ICO} icon.rc icon_windows.syso
+    RESOURCE_FILE:=resource.syso
 endif
 ifeq "${TARGET_OS}" "darwin"
     DARWINAPP_CONTENTS:=${DEPLOY_DIR}/darwin/${EXE}.app/Contents
@@ -84,13 +86,19 @@ build-ie:
 	TARGET_CMD=Import-Export $(MAKE) build
 
 build-nogui: gofiles
-	go build ${BUILD_FLAGS_NOGUI} -o ${EXE_NAME} cmd/${TARGET_CMD}/main.go
+	go build ${BUILD_FLAGS} -o ${EXE_NAME} cmd/${TARGET_CMD}/main.go
 
 build-ie-nogui:
 	TARGET_CMD=Import-Export $(MAKE) build-nogui
 
-build-launcher:
+ifeq "${GOOS}" "windows"
-	go build ${BUILD_FLAGS_LAUNCHER} -o launcher-${APP} cmd/launcher/main.go
+  	PRERESOURCECMD:=cp ./resource.syso ./cmd/launcher/resource.syso
+	POSTRESOURCECMD:=rm -f ./cmd/launcher/resource.syso
+endif
+build-launcher: ${RESOURCE_FILE}
+	${PRERESOURCECMD}
+	go build ${BUILD_FLAGS_LAUNCHER} -o launcher-${EXE} ./cmd/launcher/
+	${POSTRESOURCECMD}
 
 build-launcher-ie:
 	TARGET_CMD=Import-Export $(MAKE) build-launcher
@@ -134,21 +142,20 @@ ifneq "${GOOS}" "${TARGET_OS}"
   endif
 endif
 
-${EXE_TARGET}: check-has-go gofiles ${ICO_FILES} ${VENDOR_TARGET}
+${EXE_TARGET}: check-has-go gofiles ${RESOURCE_FILE} ${VENDOR_TARGET}
 	rm -rf deploy ${TARGET_OS} ${DEPLOY_DIR}
 	cp cmd/${TARGET_CMD}/main.go .
-	qtdeploy ${BUILD_FLAGS} ${QT_BUILD_TARGET}
+	qtdeploy ${BUILD_FLAGS_GUI} ${QT_BUILD_TARGET}
 	mv deploy cmd/${TARGET_CMD}
 	if [ "${EXE_QT_TARGET}" != "${EXE_TARGET}" ]; then mv ${EXE_QT_TARGET} ${EXE_TARGET}; fi
 	rm -rf ${TARGET_OS} main.go
 
-logo.ico ie.ico: ./internal/frontend/share/icons/${SRC_ICO}
-	cp $^ $@
-icon.rc: ./internal/frontend/share/icon.rc
-	cp $^ .
-icon_windows.syso: icon.rc logo.ico
-	windres --target=pe-x86-64 -o $@ $<
 
+WINDRES_YEAR:=$(shell date +%Y)
+APP_VERSION_COMMA:=$(shell echo "${APP_VERSION}" | sed -e 's/[^0-9,.]*//g' -e 's/\./,/g')
+resource.syso: ./internal/frontend/share/info.rc ./internal/frontend/share/icons/${SRC_ICO} .FORCE
+	rm -f ./*.syso
+	windres --target=pe-x86-64 -I ./internal/frontend/share/icons/ -D ${WINDRES_DEFINE} -D ICO_FILE=${SRC_ICO} -D EXE_NAME="${EXE_NAME}" -D FILE_VERSION="${APP_VERSION}" -D ORIGINAL_FILE_NAME="${EXE}" -D PRODUCT_VERSION="${APP_VERSION}" -D FILE_VERSION_COMMA=${APP_VERSION_COMMA} -D YEAR=${WINDRES_YEAR} -o $@ $<
 
 ## Rules for therecipe/qt
 .PHONY: prepare-vendor update-vendor update-qt-docs
@@ -294,6 +301,7 @@ LOG?=debug
 LOG_IMAP?=client # client/server/all, or empty to turn it off
 LOG_SMTP?=--log-smtp # empty to turn it off
 RUN_FLAGS?=-m -l=${LOG} --log-imap=${LOG_IMAP} ${LOG_SMTP}
+RUN_FLAGS_IE?=-m -l=${LOG}
 
 run: run-nogui-cli
 
@@ -303,12 +311,12 @@ run-qt-cli: ${EXE_TARGET}
 	PROTONMAIL_ENV=dev ./$< ${RUN_FLAGS} -c
 
 run-nogui: clean-vendor gofiles
-	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS_NOGUI} cmd/${TARGET_CMD}/main.go ${RUN_FLAGS} | tee last.log
+	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS} cmd/${TARGET_CMD}/main.go ${RUN_FLAGS} | tee last.log
 run-nogui-cli: clean-vendor gofiles
-	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS_NOGUI} cmd/${TARGET_CMD}/main.go ${RUN_FLAGS} -c
+	PROTONMAIL_ENV=dev go run ${BUILD_FLAGS} cmd/${TARGET_CMD}/main.go ${RUN_FLAGS} -c
 
 run-debug:
-	PROTONMAIL_ENV=dev dlv debug --build-flags "${BUILD_FLAGS_NOGUI}" cmd/${TARGET_CMD}/main.go -- ${RUN_FLAGS}
+	PROTONMAIL_ENV=dev dlv debug --build-flags "${BUILD_FLAGS}" cmd/${TARGET_CMD}/main.go -- ${RUN_FLAGS}
 
 run-qml-preview:
 	$(MAKE) -C internal/frontend/qt -f Makefile.local qmlpreview
@@ -316,11 +324,11 @@ run-ie-qml-preview:
 	$(MAKE) -C internal/frontend/qt-ie -f Makefile.local qmlpreview
 
 run-ie:
-	TARGET_CMD=Import-Export $(MAKE) run
+	TARGET_CMD=Import-Export RUN_FLAGS="${RUN_FLAGS_IE}" $(MAKE) run
 run-ie-qt:
-	TARGET_CMD=Import-Export $(MAKE) run-qt
+	TARGET_CMD=Import-Export RUN_FLAGS="${RUN_FLAGS_IE}" $(MAKE) run-qt
 run-ie-nogui:
-	TARGET_CMD=Import-Export $(MAKE) run-nogui
+	TARGET_CMD=Import-Export RUN_FLAGS="${RUN_FLAGS_IE}" $(MAKE) run-nogui
 
 clean-frontend-qt:
 	$(MAKE) -C internal/frontend/qt -f Makefile.local clean
@@ -337,7 +345,7 @@ clean: clean-vendor
 	rm -rf cmd/Desktop-Bridge/deploy
 	rm -rf cmd/Import-Export/deploy
 	rm -f build last.log mem.pprof main.go
-	rm -rf logo.ico icon.rc icon_windows.syso internal/frontend/qt/icon_windows.syso
+	rm -f resource.syso
 	rm -f release-notes/bridge.html
 	rm -f release-notes/import-export.html
 
@@ -345,3 +353,5 @@ clean: clean-vendor
 generate:
 	go generate ./...
 	$(MAKE) add-license
+
+.FORCE:

go.mod

@@ -54,12 +54,13 @@ require (
 	github.com/nsf/jsondiff v0.0.0-20200515183724-f29ed568f4ce
 	github.com/olekukonko/tablewriter v0.0.4 // indirect
 	github.com/pkg/errors v0.9.1
-	github.com/pkg/math v0.0.0-20141027224758-f2ed9e40e245
 	github.com/sirupsen/logrus v1.7.0
 	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966
 	github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf // indirect
 	github.com/stretchr/testify v1.6.1
 	github.com/therecipe/qt v0.0.0-20200701200531-7f61353ee73e
+	github.com/therecipe/qt/internal/binding/files/docs/5.12.0 v0.0.0-20200904063919-c0c124a5770d // indirect
+	github.com/therecipe/qt/internal/binding/files/docs/5.13.0 v0.0.0-20200904063919-c0c124a5770d // indirect
 	github.com/urfave/cli/v2 v2.2.0
 	github.com/vmihailenco/msgpack/v5 v5.1.3
 	go.etcd.io/bbolt v1.3.5

go.sum

@@ -223,8 +223,6 @@ github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTw
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pkg/math v0.0.0-20141027224758-f2ed9e40e245 h1:gk/AF9SGRj+RafNCoDcS3RRscb8S4BVbvqODOgWA7/8=
-github.com/pkg/math v0.0.0-20141027224758-f2ed9e40e245/go.mod h1:2dhPPj2Li3DXrSY2U2ADdZy2B7sjQsT57lqENx1+FSE=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday v1.5.2 h1:HyvC0ARfnZBqnXwABFeSZHpKvJHJJfPz81GNueLj0oo=
@@ -264,6 +262,12 @@ github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/therecipe/qt v0.0.0-20200701200531-7f61353ee73e h1:G0DQ/TRQyrEZjtLlLwevFjaRiG8eeCMlq9WXQ2OO2bk=
 github.com/therecipe/qt v0.0.0-20200701200531-7f61353ee73e/go.mod h1:SUUR2j3aE1z6/g76SdD6NwACEpvCxb3fvG82eKbD6us=
+github.com/therecipe/qt v0.0.0-20200904063919-c0c124a5770d h1:T+d8FnaLSvM/1BdlDXhW4d5dr2F07bAbB+LpgzMxx+o=
+github.com/therecipe/qt/internal/binding/files/docs v0.0.0-20191019224306-1097424d656c h1:/VhcwU7WuFEVgDHZ9V8PIYAyYqQ6KNxFUjBMOf2aFZM=
+github.com/therecipe/qt/internal/binding/files/docs/5.12.0 v0.0.0-20200904063919-c0c124a5770d h1:hAZyEG2swPRWjF0kqqdGERXUazYnRJdAk4a58f14z7Y=
+github.com/therecipe/qt/internal/binding/files/docs/5.12.0 v0.0.0-20200904063919-c0c124a5770d/go.mod h1:7m8PDYDEtEVqfjoUQc2UrFqhG0CDmoVJjRlQxexndFc=
+github.com/therecipe/qt/internal/binding/files/docs/5.13.0 v0.0.0-20200904063919-c0c124a5770d h1:AJRoBel/g9cDS+yE8BcN3E+TDD/xNAguG21aoR8DAIE=
+github.com/therecipe/qt/internal/binding/files/docs/5.13.0 v0.0.0-20200904063919-c0c124a5770d/go.mod h1:mH55Ek7AZcdns5KPp99O0bg+78el64YCYWHiQKrOdt4=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=

internal/app/base/base.go

@@ -136,6 +136,7 @@ func New( // nolint[funlen]
 	if err := logging.Init(logsPath); err != nil {
 		return nil, err
 	}
+	logging.SetLevel("debug") // Proper level is set later in run.
 	crashHandler.AddRecoveryAction(logging.DumpStackTrace(logsPath))
 
 	if err := migrateFiles(configName); err != nil {

internal/app/base/migration.go

@@ -29,10 +29,12 @@ import (
 // migrateFiles migrates files from their old (pre-refactor) locations to their new locations.
 // We can remove this eventually.
 //
-// | entity |               old location                |            new location                |
+// | entity    |               old location                |            new location                |
-// |--------|-------------------------------------------|----------------------------------------|
+// |-----------|-------------------------------------------|----------------------------------------|
-// | prefs  | ~/.cache/protonmail/<app>/c11/prefs.json  | ~/.config/protonmail/<app>/prefs.json  |
+// | prefs     | ~/.cache/protonmail/<app>/c11/prefs.json  | ~/.config/protonmail/<app>/prefs.json  |
-// | c11    | ~/.cache/protonmail/<app>/c11             | ~/.cache/protonmail/<app>/cache/c11    |
+// | c11 1.5.x | ~/.cache/protonmail/<app>/c11             | ~/.cache/protonmail/<app>/cache/c11    |
+// | c11 1.6.x | ~/.cache/protonmail/<app>/cache/c11       | ~/.config/protonmail/<app>/cache/c11   |
+// | updates   | ~/.cache/protonmail/<app>/updates         | ~/.config/protonmail/<app>/updates     |
 func migrateFiles(configName string) error {
 	locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, configName))
 	if err != nil {
@@ -41,43 +43,89 @@ func migrateFiles(configName string) error {
 
 	locations := locations.New(locationsProvider, configName)
 	userCacheDir := locationsProvider.UserCache()
+
+	if err := migratePrefsFrom15x(locations, userCacheDir); err != nil {
+		return err
+	}
+	if err := migrateCacheFromBoth15xAnd16x(locations, userCacheDir); err != nil {
+		return err
+	}
+	if err := migrateUpdatesFrom16x(configName, locations); err != nil {
+		return err
+	}
+	return nil
+}
+
+func migratePrefsFrom15x(locations *locations.Locations, userCacheDir string) error {
 	newSettingsDir, err := locations.ProvideSettingsPath()
 	if err != nil {
 		return err
 	}
 
-	if err := moveIfExists(
+	return moveIfExists(
 		filepath.Join(userCacheDir, "c11", "prefs.json"),
 		filepath.Join(newSettingsDir, "prefs.json"),
-	); err != nil {
+	)
-		return err
+}
-	}
 
-	newCacheDir, err := locations.ProvideCachePath()
+func migrateCacheFromBoth15xAnd16x(locations *locations.Locations, userCacheDir string) error {
+	olderCacheDir := userCacheDir
+	newerCacheDir := locations.GetOldCachePath()
+	latestCacheDir, err := locations.ProvideCachePath()
 	if err != nil {
 		return err
 	}
 
+	// Migration for versions before 1.6.x.
 	if err := moveIfExists(
-		filepath.Join(userCacheDir, "c11"),
+		filepath.Join(olderCacheDir, "c11"),
-		filepath.Join(newCacheDir, "c11"),
+		filepath.Join(latestCacheDir, "c11"),
 	); err != nil {
 		return err
 	}
 
-	return nil
+	// Migration for versions 1.6.x.
+	return moveIfExists(
+		filepath.Join(newerCacheDir, "c11"),
+		filepath.Join(latestCacheDir, "c11"),
+	)
+}
+
+func migrateUpdatesFrom16x(configName string, locations *locations.Locations) error {
+	// In order to properly update Bridge 1.6.X and higher we need to
+	// change the launcher first. Since this is not part of automatic
+	// updates the migration must wait until manual update. Until that
+	// we need to keep old path.
+	if configName == "bridge" {
+		return nil
+	}
+
+	oldUpdatesPath := locations.GetOldUpdatesPath()
+	// Do not use ProvideUpdatesPath, that creates dir right away.
+	newUpdatesPath := locations.GetUpdatesPath()
+
+	return moveIfExists(oldUpdatesPath, newUpdatesPath)
 }
 
 func moveIfExists(source, destination string) error {
+	l := logrus.WithField("source", source).WithField("destination", destination)
+
 	if _, err := os.Stat(source); os.IsNotExist(err) {
-		logrus.WithField("source", source).WithField("destination", destination).Debug("No need to migrate file")
+		l.Debug("No need to migrate file, source doesn't exist")
 		return nil
 	}
 
 	if _, err := os.Stat(destination); !os.IsNotExist(err) {
-		logrus.WithField("source", source).WithField("destination", destination).Debug("No need to migrate file")
+		// Once migrated, files should not stay in source anymore. Therefore
+		// if some files are still in source location but target already exist,
+		// it's suspicious. Could happen by installing new version, then the
+		// old one because of some reason, and then the new one again.
+		// Good to see as warning because it could be a reason why Bridge is
+		// behaving weirdly, like wrong configuration, or db re-sync and so on.
+		l.Warn("No need to migrate file, target already exists")
 		return nil
 	}
 
+	l.Info("Migrating files")
 	return os.Rename(source, destination)
 }

internal/app/bridge/bridge.go

@@ -139,7 +139,7 @@ func run(b *base.Base, c *cli.Context) error { // nolint[funlen]
 
 	// Watch for updates routine
 	go func() {
-		ticker := time.NewTicker(time.Hour)
+		ticker := time.NewTicker(constants.UpdateCheckInterval)
 
 		for {
 			checkAndHandleUpdate(b.Updater, f, b.Settings.GetBool(settings.AutoUpdateKey))

internal/app/ie/ie.go

@@ -28,8 +28,6 @@ import (
 	"github.com/ProtonMail/proton-bridge/internal/frontend"
 	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
 	"github.com/ProtonMail/proton-bridge/internal/importexport"
-	"github.com/ProtonMail/proton-bridge/internal/updater"
-	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli/v2"
 )
@@ -88,7 +86,7 @@ func run(b *base.Base, c *cli.Context) error {
 	return f.Loop()
 }
 
-func checkAndHandleUpdate(u types.Updater, f frontend.Frontend, autoUpdate bool) {
+func checkAndHandleUpdate(u types.Updater, f frontend.Frontend, autoUpdate bool) { //nolint[unparam]
 	version, err := u.Check()
 	if err != nil {
 		logrus.WithError(err).Error("An error occurred while checking for updates")
@@ -107,27 +105,5 @@ func checkAndHandleUpdate(u types.Updater, f frontend.Frontend, autoUpdate bool)
 
 	logrus.WithField("version", version.Version).Info("An update is available")
 
-	if !autoUpdate {
+	f.NotifyManualUpdate(version, u.CanInstall(version))
-		f.NotifyManualUpdate(version, u.CanInstall(version))
-		return
-	}
-
-	if !u.CanInstall(version) {
-		logrus.Info("A manual update is required")
-		f.NotifySilentUpdateError(updater.ErrManualUpdateRequired)
-		return
-	}
-
-	if err := u.InstallUpdate(version); err != nil {
-		if errors.Cause(err) == updater.ErrDownloadVerify {
-			logrus.WithError(err).Warning("Skipping update installation due to temporary error")
-		} else {
-			logrus.WithError(err).Error("The update couldn't be installed")
-			f.NotifySilentUpdateError(err)
-		}
-
-		return
-	}
-
-	f.NotifySilentUpdateInstalled()
 }

internal/bridge/bridge.go

@@ -151,28 +151,33 @@ func (b *Bridge) GetUpdateChannel() updater.UpdateChannel {
 // Downgrading to previous version (by switching from early to stable, for example)
 // requires clearing all data including update files due to possibility of
 // inconsistency between versions and absence of backwards migration scripts.
-func (b *Bridge) SetUpdateChannel(channel updater.UpdateChannel) error {
+func (b *Bridge) SetUpdateChannel(channel updater.UpdateChannel) (needRestart bool, err error) {
 	b.settings.Set(settings.UpdateChannelKey, string(channel))
 
 	version, err := b.updater.Check()
 	if err != nil {
-		return err
+		return false, err
 	}
 
-	if b.updater.IsDowngrade(version) {
+	// We have to deal right away only with downgrade - that action needs to
-		if err := b.Users.ClearData(); err != nil {
+	// clear data and updates, and install bridge right away. But regular
-			log.WithError(err).Error("Failed to clear data while downgrading channel")
+	// upgrade can be leaved out for periodic check.
-		}
+	if !b.updater.IsDowngrade(version) {
-		if err := b.locations.ClearUpdates(); err != nil {
+		return false, nil
-			log.WithError(err).Error("Failed to clear updates while downgrading channel")
+	}
-		}
+
+	if err := b.Users.ClearData(); err != nil {
+		log.WithError(err).Error("Failed to clear data while downgrading channel")
+	}
+	if err := b.locations.ClearUpdates(); err != nil {
+		log.WithError(err).Error("Failed to clear updates while downgrading channel")
 	}
 
 	if err := b.updater.InstallUpdate(version); err != nil {
-		return err
+		return false, err
 	}
 
-	return b.versioner.RemoveOtherVersions(version.Version)
+	return true, b.versioner.RemoveOtherVersions(version.Version)
 }
 
 // GetKeychainApp returns current keychain helper.

internal/constants/update_default.go

@@ -0,0 +1,28 @@
+// Copyright (c) 2021 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// +build !build_qa
+
+package constants
+
+import "time"
+
+// nolint[gochecknoglobals]
+var (
+	// UpdateCheckInterval defines how often we check for new version
+	UpdateCheckInterval = time.Hour //nolint[gochecknoglobals]
+)

internal/constants/update_qa.go

@@ -0,0 +1,28 @@
+// Copyright (c) 2021 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// +build build_qa
+
+package constants
+
+import "time"
+
+// nolint[gochecknoglobals]
+var (
+	// UpdateCheckInterval defines how often we check for new version
+	UpdateCheckInterval = time.Duration(5 * time.Minute)
+)

internal/frontend/cli-ie/importexport.go

@@ -38,7 +38,7 @@ func (f *frontendCLI) importLocalMessages(c *ishell.Context) {
 		return
 	}
 
-	t, err := f.ie.GetLocalImporter(user.GetPrimaryAddress(), path)
+	t, err := f.ie.GetLocalImporter(user.Username(), user.GetPrimaryAddress(), path)
 	f.transfer(t, err, false, true)
 }
 
@@ -68,7 +68,7 @@ func (f *frontendCLI) importRemoteMessages(c *ishell.Context) {
 		return
 	}
 
-	t, err := f.ie.GetRemoteImporter(user.GetPrimaryAddress(), username, password, host, port)
+	t, err := f.ie.GetRemoteImporter(user.Username(), user.GetPrimaryAddress(), username, password, host, port)
 	f.transfer(t, err, false, true)
 }
 
@@ -81,7 +81,7 @@ func (f *frontendCLI) exportMessagesToEML(c *ishell.Context) {
 		return
 	}
 
-	t, err := f.ie.GetEMLExporter(user.GetPrimaryAddress(), path)
+	t, err := f.ie.GetEMLExporter(user.Username(), user.GetPrimaryAddress(), path)
 	f.transfer(t, err, true, false)
 }
 
@@ -94,7 +94,7 @@ func (f *frontendCLI) exportMessagesToMBOX(c *ishell.Context) {
 		return
 	}
 
-	t, err := f.ie.GetMBOXExporter(user.GetPrimaryAddress(), path)
+	t, err := f.ie.GetMBOXExporter(user.Username(), user.GetPrimaryAddress(), path)
 	f.transfer(t, err, true, false)
 }
 

internal/frontend/cli/updates.go

@@ -81,9 +81,13 @@ func (f *frontendCLI) selectEarlyChannel(c *ishell.Context) {
 	f.Println("Bridge is currently on the stable update channel.")
 
 	if f.yesNoQuestion("Are you sure you want to switch to the early-access update channel") {
-		if err := f.bridge.SetUpdateChannel(updater.EarlyChannel); err != nil {
+		needRestart, err := f.bridge.SetUpdateChannel(updater.EarlyChannel)
+		if err != nil {
 			f.Println("There was a problem switching update channel.")
 		}
+		if needRestart {
+			f.restarter.SetToRestart()
+		}
 	}
 }
 
@@ -97,9 +101,12 @@ func (f *frontendCLI) selectStableChannel(c *ishell.Context) {
 	f.Println("Switching to the stable channel may reset all data!")
 
 	if f.yesNoQuestion("Are you sure you want to switch to the stable update channel") {
-		if err := f.bridge.SetUpdateChannel(updater.StableChannel); err != nil {
+		needRestart, err := f.bridge.SetUpdateChannel(updater.StableChannel)
+		if err != nil {
 			f.Println("There was a problem switching update channel.")
 		}
-		f.restarter.SetToRestart()
+		if needRestart {
+			f.restarter.SetToRestart()
+		}
 	}
 }

internal/frontend/qml/BridgeUI/DialogYesNo.qml

@@ -229,7 +229,7 @@ Dialog {
                 currentIndex : 0
                 title        : qsTr("Clear cache", "title of page that displays during cache clearing")
                 question     : qsTr("Are you sure you want to clear your local cache?", "displays during cache clearing")
-                note         : qsTr("This will delete all of your stored preferences as well as cached email data for all accounts, temporarily slowing down the email download process significantly.", "displays during cache clearing")
+                note         : qsTr("This will delete all of your stored preferences as well as cached email data for all accounts, and requires you to reconfigure your client.", "displays during cache clearing")
                 answer       : qsTr("Clearing the cache ...", "displays during cache clearing")
             }
         },
@@ -310,7 +310,7 @@ Dialog {
                 target: root
                 currentIndex : 0
                 question     : qsTr("Are you sure you want to leave early access? Please keep in mind this operation clears the cache and restarts Bridge.")
-                note         : qsTr("This will delete all of your stored preferences as well as cached email data for all accounts, temporarily slowing down the email download process significantly.")
+                note         : qsTr("This will delete all of your stored preferences as well as cached email data for all accounts, and requires you to reconfigure your client.")
                 title        : qsTr("Disable early access")
                 answer       : qsTr("Disabling early access...")
             }

internal/frontend/qml/Gui.qml

@@ -107,17 +107,53 @@ Item {
             gui.openMainWindow(false)
             if (go.isConnectionOK) {
                 if( winMain.updateState=="noInternet") {
-                    go.setUpdateState("upToDate")
+                    go.updateState = "upToDate"
                 }
             } else {
-                go.setUpdateState("noInternet")
+                go.updateState = "noInternet"
             }
         }
 
-        onSetUpdateState : {
+        onUpdateStateChanged : {
+            // Update tray icon if needed
+            switch (go.updateState) {
+                case "internetCheck":
+                    break;
+                case "noInternet" :
+                    gui.warningFlags |= Style.warnInfoBar
+                    break;
+                case "oldVersion":
+                    gui.warningFlags |= Style.warnInfoBar
+                    break;
+                case "forceUpdate":
+                    // Force update should presist once it happened and never be overwritten.
+                    // That means that tray icon should allways remain in error state.
+                    // But since we have only two sources of error icon in tray (force update 
+                    // + installation fail) and both are unrecoverable and we do not ever remove
+                    // error flag from gui.warningFlags - it is ok to rely on gui.warningFlags and
+                    // not on winMain.updateState (which presist forceUpdate)
+                    gui.warningFlags |= Style.errorInfoBar
+                    break;
+                case "upToDate":
+                    gui.warningFlags &= ~Style.warnInfoBar
+                    break;
+                case "updateRestart":
+                    gui.warningFlags |= Style.warnInfoBar
+                    break;
+                case "updateError":
+                    gui.warningFlags |= Style.errorInfoBar
+                    break;
+                default :
+                    break;
+            }
+
+            // if main window is closed - most probably it is destroyed (see closeMainWindow())
+            if (winMain == null) {
+                return
+            }
             // once app is outdated prevent from state change
             if (winMain.updateState != "forceUpdate") {
-                winMain.updateState = updateState
+                winMain.updateState = go.updateState
             }
         }
 
@@ -129,15 +165,14 @@ Item {
         }
 
         onNotifyManualUpdate: {
-            go.setUpdateState("oldVersion")
+            go.updateState = "oldVersion"
         }
 
         onNotifyManualUpdateRestartNeeded: {
             if (!winMain.dialogUpdate.visible) {
-                gui.openMainWindow(true)
                 winMain.dialogUpdate.show()
             }
-            go.setUpdateState("updateRestart")
+            go.updateState = "updateRestart"
             winMain.dialogUpdate.finished(false)
 
             // after manual update - just retart immidiatly
@@ -147,28 +182,25 @@ Item {
 
         onNotifyManualUpdateError: {
             if (!winMain.dialogUpdate.visible) {
-                gui.openMainWindow(true)
                 winMain.dialogUpdate.show()
             }
-            go.setUpdateState("updateError")
+            go.updateState = "updateError"
             winMain.dialogUpdate.finished(true)
         }
 
         onNotifyForceUpdate : {
-            go.setUpdateState("forceUpdate")
+            go.updateState = "forceUpdate"
             if (!winMain.dialogUpdate.visible) {
-                gui.openMainWindow(true)
                 winMain.dialogUpdate.show()
             }
         }
 
         onNotifySilentUpdateRestartNeeded: {
-            go.setUpdateState("updateRestart")
+            go.updateState = "updateRestart"
         }
 
         onNotifySilentUpdateError: {
-            go.setUpdateState("updateError")
+            go.updateState = "updateError"
-            gui.openMainWindow(true)
         }
 
         onNotifyLogout : {
@@ -287,9 +319,17 @@ Item {
         if (showAndRise) {
             gui.winMain.showAndRise()
         }
+
+        // restore update notification bar: trigger updateStateChanged
+        var tmp = go.updateState
+        go.updateState = ""
+        go.updateState = tmp
     }
 
     function closeMainWindow () {
+        // Historical reasons: once upon a time there was a report about high GPU
+        // usage on MacOS while bridge is closed. Legends say that destroying 
+        // MainWindow solved this.
         gui.winMain.hide()
         gui.winMain.destroy(5000)
         gui.winMain = null

internal/frontend/qml/GuiIE.qml

@@ -30,7 +30,6 @@ Item {
     id: gui
     property alias winMain: winMain
     property bool isFirstWindow: true
-    property int warningFlags: 0
 
     property var locale    : Qt.locale("en_US")
     property date netBday  : new Date("1989-03-13T00:00:00")
@@ -96,17 +95,17 @@ Item {
             go.isConnectionOK = isAvailable
             if (go.isConnectionOK) {
                 if( winMain.updateState==gui.enums.statusNoInternet) {
-                    go.setUpdateState(gui.enums.statusUpToDate)
+                    go.updateState = gui.enums.statusUpToDate
                 }
             } else {
-                go.setUpdateState(gui.enums.statusNoInternet)
+                go.updateState = gui.enums.statusNoInternet
             }
         }
 
-        onSetUpdateState : {
+        onUpdateStateChanged : {
             // once app is outdated prevent from state change
             if (winMain.updateState != "forceUpdate") {
-                winMain.updateState = updateState
+                winMain.updateState = go.updateState
             }
         }
 
@@ -207,16 +206,16 @@ Item {
         }
 
         onNotifyManualUpdate: {
-            go.setUpdateState("oldVersion")
+            go.updateState = "oldVersion"
         }
 
         onNotifyManualUpdateRestartNeeded: {
             if (!winMain.dialogUpdate.visible) {
                 winMain.dialogUpdate.show()
             }
-            go.setUpdateState("updateRestart")
+            go.updateState = "updateRestart"
             winMain.dialogUpdate.finished(false)
-
+        
             // after manual update - just retart immidiatly
             go.setToRestart()
             Qt.quit()
@@ -226,24 +225,24 @@ Item {
             if (!winMain.dialogUpdate.visible) {
                 winMain.dialogUpdate.show()
             }
-            go.setUpdateState("updateError")
+            go.updateState = "updateError"
             winMain.dialogUpdate.finished(true)
         }
 
         onNotifyForceUpdate : {
-            go.setUpdateState("forceUpdate")
+            go.updateState = "forceUpdate"
             if (!winMain.dialogUpdate.visible) {
                 winMain.dialogUpdate.show()
             }
         }
 
-        onNotifySilentUpdateRestartNeeded: {
+        //onNotifySilentUpdateRestartNeeded: {
-            go.setUpdateState("updateRestart")
+        //    go.updateState = "updateRestart"
-        }
+        //}
-
+        //
-        onNotifySilentUpdateError: {
+        //onNotifySilentUpdateError: {
-            go.setUpdateState("updateError")
+        //    go.updateState = "updateError"
-        }
+        //}
 
         onNotifyLogout : {
             go.notifyBubble(0, qsTr("Account %1 has been disconnected. Please log in to continue to use the Import-Export app with this account.").arg(accname) )

internal/frontend/qml/ImportExportUI/AccountDelegate.qml

@@ -165,6 +165,7 @@ Column {
             textColor : Style.main.textBlue
             onClicked: {
                 dialogExport.currentIndex = 0
+                dialogExport.account = account
                 dialogExport.address = account
                 dialogExport.show()
             }
@@ -321,6 +322,7 @@ Column {
                         textBold: true
                         textColor: Style.main.textBlue
                         onClicked: {
+                            dialogExport.account = account
                             dialogExport.address = listalias[index]
                             dialogExport.show()
                         }
@@ -339,6 +341,7 @@ Column {
                         textBold: true
                         textColor: enabled ? Style.main.textBlue : Style.main.textDisabled
                         onClicked: {
+                            dialogImport.account = account
                             dialogImport.address = listalias[index]
                             dialogImport.show()
                         }

internal/frontend/qml/ImportExportUI/DialogExport.qml

@@ -35,6 +35,7 @@ Dialog {
 
     title : set_title()
 
+    property string account
     property string address
     property alias finish: finish
 
@@ -428,7 +429,7 @@ Dialog {
         onTriggered : {
             switch (currentIndex) {
                 case 0:
-                go.loadStructureForExport(root.address)
+                go.loadStructureForExport(root.account, root.address)
                 sourceFoldersInput.hasItems = (transferRules.rowCount() > 0)
                 break
                 case 2:

internal/frontend/qml/ImportExportUI/DialogImport.qml

@@ -34,6 +34,7 @@ Dialog {
 
     isDialogBusy: currentIndex==3 || currentIndex==4
 
+    property string account
     property string address
     property string inputPath  : ""
     property bool   isFromFile : inputEmail.text == "" && root.inputPath != ""
@@ -1032,6 +1033,7 @@ Dialog {
                     root.isFromIMAP,
                     root.inputPath,
                     inputEmail.text, inputPassword.text, inputServer.text, inputPort.text,
+                    root.account,
                     root.address
                 )
                 break

internal/frontend/qml/ImportExportUI/SettingsView.qml

@@ -96,6 +96,8 @@ Item {
                 onClicked: bugreportWin.show()
             }
 
+            /*
+
             ButtonIconText {
                 id: autoUpdates
                 text: qsTr("Keep the application up to date", "label for toggle that activates and disables the automatic updates")
@@ -115,8 +117,6 @@ Item {
                 }
             }
 
-            /*
-
              ButtonIconText {
                  id: cacheClear
                  text: qsTr("Clear Cache")

internal/frontend/qml/ProtonUI/Dialog.qml

@@ -18,6 +18,7 @@
 // Dialog with adding new user
 
 import QtQuick 2.8
+import QtQuick.Controls 2.1
 import QtQuick.Layouts 1.3
 import ProtonUI 1.0
 
@@ -83,6 +84,9 @@ StackLayout {
             text : ""
             color: Style.main.textBlue
             visible: false
+            width: root.width
+            horizontalAlignment: Text.AlignHCenter
+            wrapMode: Text.WordWrap
         }
 
         // prevent any action below

internal/frontend/qml/ProtonUI/DialogAddUser.qml

@@ -70,7 +70,8 @@ Dialog {
             id: topSep
             color  : "transparent"
             width  : Style.main.dummy
-            height : root.height/2 - (dialogNameAndPassword.heightInputs)/2
+            // Hacky hack: +10 is to make title of Dialog bigger so longer error can fit just fine.
+            height : root.height/2 + 10 - (dialogNameAndPassword.heightInputs)/2
         }
 
         InputField {

internal/frontend/qml/ProtonUI/DialogUpdate.qml

@@ -107,7 +107,7 @@ Dialog {
                 text: qsTr("Automatically update in the future", "Checkbox label for using autoupdates later on")
                 checked: go.isAutoUpdate
                 onToggled: go.toggleAutoUpdate()
-                visible: !root.forceUpdate
+                visible: !root.forceUpdate && (go.isAutoUpdate != undefined)
             }
 
             Row {

internal/frontend/qml/ProtonUI/InformationBar.qml

@@ -108,31 +108,25 @@ Rectangle {
     onStateChanged : {
         switch (root.state) {
             case "internetCheck":
-            break;
+                break;
             case "noInternet" :
-            gui.warningFlags |= Style.warnInfoBar
+                retryInternet.start()
-            retryInternet.start()
+                secLeft=checkInterval[iTry]
-            secLeft=checkInterval[iTry]
+                break;
-            break;
             case "oldVersion":
-            gui.warningFlags |= Style.warnInfoBar
+                break;
-            break;
             case "forceUpdate":
-            gui.warningFlags |= Style.errorInfoBar
+                break;
-            break;
             case "upToDate":
-            gui.warningFlags &= ~Style.warnInfoBar
+                iTry = 0
-            iTry = 0
+                secLeft=checkInterval[iTry]
-            secLeft=checkInterval[iTry]
+                break;
-            break;
             case "updateRestart":
-            gui.warningFlags |= Style.warnInfoBar
+                break;
-            break;
             case "updateError":
-            gui.warningFlags |= Style.errorInfoBar
+                break;
-            break;
             default :
-            break;
+                break;
         }
 
         if (root.state!="noInternet") {
@@ -271,7 +265,7 @@ Rectangle {
                 target: closeSign
                 visible: true
                 onClicked: {
-                    root.state = "upToDate"
+                    go.updateState = "upToDate"
                 }
             }
         },

internal/frontend/qml/tst_Gui.qml

@@ -24,7 +24,7 @@ import QtQuick.Window 2.2
 
 Window {
     id: testroot
-    width   : 150
+    width   : 250
     height  : 600
     flags   : Qt.Window | Qt.Dialog | Qt.FramelessWindowHint
     visible : true
@@ -60,7 +60,7 @@ Window {
         Text {
             id: systrText
             anchors {
-                right : test_systray.right
+                horizontalCenter: parent.horizontalCenter
                 verticalCenter: test_systray.verticalCenter
             }
             text: "unset"
@@ -299,6 +299,7 @@ Window {
         property string fullversion : "QA.1.0 (d9f8sdf9) 2020-02-19T10:57:23+01:00"
         property string downloadLink: "https://protonmail.com/download/beta/protonmail-bridge-1.1.5-1.x86_64.rpm;https://www.protonmail.com/downloads/beta/Desktop-Bridge-link1.exe;https://www.protonmail.com/downloads/beta/Desktop-Bridge-link1.exe;https://www.protonmail.com/downloads/beta/Desktop-Bridge-link1.exe;"
 
+        property string updateState
         property string updateVersion : "QA.1.0"
         property bool updateCanInstall: true
         property string updateLandingPage : "https://protonmail.com/bridge/download/"
@@ -340,7 +341,6 @@ Window {
 
         signal notifyPortIssue(bool busyPortIMAP, bool busyPortSMTP)
         signal notifyVersionIsTheLatest()
-        signal setUpdateState(string updateState)
         signal notifyKeychainRebuild()
         signal notifyHasNoKeychain()
 

internal/frontend/qml/tst_GuiIE.qml

@@ -23,13 +23,13 @@ import QtQuick.Window 2.2
 
 Window {
     id      : testroot
-    width   : 100
+    width   : 150
     height  : 600
     flags   : Qt.Window | Qt.Dialog | Qt.FramelessWindowHint
     visible : true
     title   : "GUI test Window"
     color   : "transparent"
-    x       : testgui.winMain.x - 120
+    x       : testgui.winMain.x - 170
     y       : testgui.winMain.y
 
     property bool newVersion : true
@@ -110,8 +110,8 @@ Window {
         ListElement { title: "NotifyManualUpdateRestart" }
         ListElement { title: "NotifyManualUpdateError" }
         ListElement { title: "ForceUpdate" }
-        ListElement { title: "NotifySilentUpdateRestartNeeded" }
+        //ListElement { title: "NotifySilentUpdateRestartNeeded" }
-        ListElement { title: "NotifySilentUpdateError" }
+        //ListElement { title: "NotifySilentUpdateError" }
         ListElement { title : "ImportStructure"     }
         ListElement { title : "DraftImpFailed"      }
         ListElement { title : "NoInterImp"          }
@@ -183,12 +183,12 @@ Window {
                     case "ForceUpdate" :
                     go.notifyForceUpdate()
                     break;
-                    case "NotifySilentUpdateRestartNeeded" :
+                    //case "NotifySilentUpdateRestartNeeded" :
-                    go.notifySilentUpdateRestartNeeded()
+                    //go.notifySilentUpdateRestartNeeded()
-                    break;
+                    //break;
-                    case "NotifySilentUpdateError" :
+                    //case "NotifySilentUpdateError" :
-                    go.notifySilentUpdateError()
+                    //go.notifySilentUpdateError()
-                    break;
+                    //break;
                     case "ImportStructure" :
                     testgui.winMain.dialogImport.address = "cuto@pm.com"
                     testgui.winMain.dialogImport.show()
@@ -836,7 +836,7 @@ Window {
         id: go
 
         property int isAutoStart : 1
-        property bool isAutoUpdate : false
+        //property bool isAutoUpdate : false
         property bool isFirstStart : false
         property string currentAddress : "none"
         //property string goos : "windows"
@@ -856,16 +856,17 @@ Window {
         property string fullversion : "QA.1.0 (d9f8sdf9) 2020-02-19T10:57:23+01:00"
         property string downloadLink: "https://protonmail.com/download/beta/protonmail-bridge-1.1.5-1.x86_64.rpm;https://www.protonmail.com/downloads/beta/Desktop-Bridge-link1.exe;https://www.protonmail.com/downloads/beta/Desktop-Bridge-link1.exe;https://www.protonmail.com/downloads/beta/Desktop-Bridge-link1.exe;"
 
+        property string updateState
         property string updateVersion : "q0.1.0"
-        property bool updateCanInstall: true
+        property bool updateCanInstall: false
         property string updateLandingPage : "https://protonmail.com/import-export/download/"
         property string updateReleaseNotesLink  : "https://protonmail.com/download/ie/release_notes.html"
         signal notifyManualUpdate()
         signal notifyManualUpdateRestartNeeded()
         signal notifyManualUpdateError()
         signal notifyForceUpdate()
-        signal notifySilentUpdateRestartNeeded()
+        //signal notifySilentUpdateRestartNeeded()
-        signal notifySilentUpdateError()
+        //signal notifySilentUpdateError()
         function checkForUpdates() {
             console.log("checkForUpdates")
             go.notifyVersionIsTheLatest()
@@ -900,7 +901,6 @@ Window {
         signal showQuit()
 
         signal notifyVersionIsTheLatest()
-        signal setUpdateState(string updateState)
 
         signal showMainWin()
         signal hideMainWin()
@@ -1355,10 +1355,10 @@ Window {
             return !fname.includes("fail")
         }
 
-        onToggleAutoUpdate: {
+        //onToggleAutoUpdate: {
-            workAndClose()
+        //    workAndClose()
-            isAutoUpdate = (isAutoUpdate!=false) ? false : true
+        //    isAutoUpdate = (isAutoUpdate!=false) ? false : true
-            console.log (" Test: onToggleAutoUpdate "+isAutoUpdate)
+        //    console.log (" Test: onToggleAutoUpdate "+isAutoUpdate)
-        }
+        //}
     }
 }

internal/frontend/qt-common/account_model.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtcommon
 

internal/frontend/qt-common/accounts.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtcommon
 

internal/frontend/qt-common/common.cpp

@@ -1,4 +1,4 @@
-// +build !nogui
+// +build build_qt
 
 #include "common.h"
 #include "_cgo_export.h"

internal/frontend/qt-common/common.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtcommon
 

internal/frontend/qt-common/notification.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtcommon
 

internal/frontend/qt-ie/enums.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 

internal/frontend/qt-ie/error_list.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 

internal/frontend/qt-ie/export.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 
@@ -29,7 +29,7 @@ const (
 	TypeMBOX = "MBOX"
 )
 
-func (f *FrontendQt) LoadStructureForExport(addressOrID string) {
+func (f *FrontendQt) LoadStructureForExport(username, addressOrID string) {
 	errCode := errUnknownError
 	var err error
 	defer func() {
@@ -41,7 +41,7 @@ func (f *FrontendQt) LoadStructureForExport(addressOrID string) {
 		}
 	}()
 
-	if f.transfer, err = f.ie.GetEMLExporter(addressOrID, ""); err != nil {
+	if f.transfer, err = f.ie.GetEMLExporter(username, addressOrID, ""); err != nil {
 		// The only error can be problem to load PM user and address.
 		errCode = errPMLoadFailed
 		return

internal/frontend/qt-ie/folder_functions.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 

internal/frontend/qt-ie/folder_structure.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 

internal/frontend/qt-ie/folder_structure_test.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 

internal/frontend/qt-ie/frontend.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 
@@ -135,11 +135,11 @@ func (f *FrontendQt) SetVersion(version updater.VersionInfo) {
 }
 
 func (f *FrontendQt) NotifySilentUpdateInstalled() {
-	f.Qml.NotifySilentUpdateRestartNeeded()
+	//f.Qml.NotifySilentUpdateRestartNeeded()
 }
 
 func (f *FrontendQt) NotifySilentUpdateError(err error) {
-	f.Qml.NotifySilentUpdateError()
+	//f.Qml.NotifySilentUpdateError()
 }
 
 func (f *FrontendQt) watchEvents() {
@@ -245,11 +245,11 @@ func (f *FrontendQt) QtExecute(Procedure func(*FrontendQt) error) error {
 	f.Qml.SetCredits(importexport.Credits)
 	f.Qml.SetFullversion(f.buildVersion)
 
-	if f.settings.GetBool(settings.AutoUpdateKey) {
+	//if f.settings.GetBool(settings.AutoUpdateKey) {
-		f.Qml.SetIsAutoUpdate(true)
+	//	f.Qml.SetIsAutoUpdate(true)
-	} else {
+	//} else {
-		f.Qml.SetIsAutoUpdate(false)
+	//	f.Qml.SetIsAutoUpdate(false)
-	}
+	//}
 
 	go func() {
 		defer f.panicHandler.HandlePanic()
@@ -339,17 +339,17 @@ func (f *FrontendQt) sendBug(description, emailClient, address string) bool {
 	return true
 }
 
-func (f *FrontendQt) toggleAutoUpdate() {
+//func (f *FrontendQt) toggleAutoUpdate() {
-	defer f.Qml.ProcessFinished()
+//	defer f.Qml.ProcessFinished()
-
+//
-	if f.settings.GetBool(settings.AutoUpdateKey) {
+//	if f.settings.GetBool(settings.AutoUpdateKey) {
-		f.settings.SetBool(settings.AutoUpdateKey, false)
+//		f.settings.SetBool(settings.AutoUpdateKey, false)
-		f.Qml.SetIsAutoUpdate(false)
+//		f.Qml.SetIsAutoUpdate(false)
-	} else {
+//	} else {
-		f.settings.SetBool(settings.AutoUpdateKey, true)
+//		f.settings.SetBool(settings.AutoUpdateKey, true)
-		f.Qml.SetIsAutoUpdate(true)
+//		f.Qml.SetIsAutoUpdate(true)
-	}
+//	}
-}
+//}
 
 // checkInternet is almost idetical to bridge
 func (f *FrontendQt) checkInternet() {

internal/frontend/qt-ie/frontend_nogui.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build nogui
+// +build !build_qt
 
 package qtie
 

internal/frontend/qt-ie/import.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 
@@ -26,7 +26,7 @@ import (
 )
 
 // wrapper for QML
-func (f *FrontendQt) setupAndLoadForImport(isFromIMAP bool, sourcePath, sourceEmail, sourcePassword, sourceServer, sourcePort, targetAddress string) {
+func (f *FrontendQt) setupAndLoadForImport(isFromIMAP bool, sourcePath, sourceEmail, sourcePassword, sourceServer, sourcePort, targetUsername, targetAddress string) {
 	errCode := errUnknownError
 	var err error
 	defer func() {
@@ -39,7 +39,7 @@ func (f *FrontendQt) setupAndLoadForImport(isFromIMAP bool, sourcePath, sourceEm
 	}()
 
 	if isFromIMAP {
-		f.transfer, err = f.ie.GetRemoteImporter(targetAddress, sourceEmail, sourcePassword, sourceServer, sourcePort)
+		f.transfer, err = f.ie.GetRemoteImporter(targetUsername, targetAddress, sourceEmail, sourcePassword, sourceServer, sourcePort)
 		if err != nil {
 			switch {
 			case errors.Is(err, &transfer.ErrIMAPConnection{}):
@@ -54,7 +54,7 @@ func (f *FrontendQt) setupAndLoadForImport(isFromIMAP bool, sourcePath, sourceEm
 			return
 		}
 	} else {
-		f.transfer, err = f.ie.GetLocalImporter(targetAddress, sourcePath)
+		f.transfer, err = f.ie.GetLocalImporter(targetUsername, targetAddress, sourcePath)
 		if err != nil {
 			// The only error can be problem to load PM user and address.
 			errCode = errPMLoadFailed

internal/frontend/qt-ie/mbox.go

@@ -16,7 +16,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 

internal/frontend/qt-ie/notification.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 

internal/frontend/qt-ie/path_status.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 

internal/frontend/qt-ie/transfer_rules.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 

internal/frontend/qt-ie/ui.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qtie
 
@@ -33,7 +33,7 @@ type GoQMLInterface struct {
 
 	_ func() `constructor:"init"`
 
-	_ bool   `property:"isAutoUpdate"`
+	//_ bool   `property:"isAutoUpdate"`
 	_ string `property:"currentAddress"`
 	_ string `property:"goos"`
 	_ string `property:"credits"`
@@ -53,6 +53,7 @@ type GoQMLInterface struct {
 	_ string `property:"fullversion"`
 	_ string `property:"downloadLink"`
 
+	_ string `property:"updateState"`
 	_ string `property:"updateVersion"`
 	_ bool   `property:"updateCanInstall"`
 	_ string `property:"updateLandingPage"`
@@ -61,8 +62,8 @@ type GoQMLInterface struct {
 	_ func() `signal:"notifyManualUpdateRestartNeeded"`
 	_ func() `signal:"notifyManualUpdateError"`
 	_ func() `signal:"notifyForceUpdate"`
-	_ func() `signal:"notifySilentUpdateRestartNeeded"`
+	//_ func() `signal:"notifySilentUpdateRestartNeeded"`
-	_ func() `signal:"notifySilentUpdateError"`
+	//_ func() `signal:"notifySilentUpdateError"`
 	_ func() `slot:"checkForUpdates"`
 	_ func() `slot:"checkAndOpenReleaseNotes"`
 	_ func() `signal:"openReleaseNotesExternally"`
@@ -76,9 +77,8 @@ type GoQMLInterface struct {
 	_ string `property:"credentialsNotRemoved"`
 	_ string `property:"versionCheckFailed"`
 	//
-	_ func(isAvailable bool)   `signal:"setConnectionStatus"`
+	_ func(isAvailable bool) `signal:"setConnectionStatus"`
-	_ func(updateState string) `signal:"setUpdateState"`
+	_ func()                 `slot:"checkInternet"`
-	_ func()                   `slot:"checkInternet"`
 
 	_ func() `slot:"setToRestart"`
 
@@ -93,7 +93,7 @@ type GoQMLInterface struct {
 
 	_ func() `signal:"showWindow"`
 
-	_ func() `slot:"toggleAutoUpdate"`
+	//_ func() `slot:"toggleAutoUpdate"`
 	_ func() `slot:"quit"`
 	_ func() `slot:"loadAccounts"`
 	_ func() `slot:"openLogs"`
@@ -108,14 +108,14 @@ type GoQMLInterface struct {
 
 	_ func(description, client, address string) bool                                       `slot:"sendBug"`
 	_ func(address string) bool                                                            `slot:"sendImportReport"`
-	_ func(address string)                                                                 `slot:"loadStructureForExport"`
+	_ func(username, address string)                                                       `slot:"loadStructureForExport"`
 	_ func() string                                                                        `slot:"leastUsedColor"`
 	_ func(username string, name string, color string, isLabel bool, sourceID string) bool `slot:"createLabelOrFolder"`
 	_ func(fpath, address, fileType string, attachEncryptedBody bool)                      `slot:"startExport"`
 	_ func(email string, importEncrypted bool)                                             `slot:"startImport"`
 	_ func()                                                                               `slot:"resetSource"`
 
-	_ func(isFromIMAP bool, sourcePath, sourceEmail, sourcePassword, sourceServe, sourcePort, targetAddress string) `slot:"setupAndLoadForImport"`
+	_ func(isFromIMAP bool, sourcePath, sourceEmail, sourcePassword, sourceServe, sourcePort, targetUsername, targetAddress string) `slot:"setupAndLoadForImport"`
 
 	_ string `property:"progressInit"`
 
@@ -162,7 +162,7 @@ func (s *GoQMLInterface) init() {}
 func (s *GoQMLInterface) SetFrontend(f *FrontendQt) {
 	s.ConnectQuit(f.App.Quit)
 
-	s.ConnectToggleAutoUpdate(f.toggleAutoUpdate)
+	//s.ConnectToggleAutoUpdate(f.toggleAutoUpdate)
 	s.ConnectLoadAccounts(f.Accounts.LoadAccounts)
 	s.ConnectOpenLogs(f.openLogs)
 	s.ConnectOpenDownloadLink(f.openDownloadLink)
@@ -207,4 +207,6 @@ func (s *GoQMLInterface) SetFrontend(f *FrontendQt) {
 	s.ConnectCheckPathStatus(CheckPathStatus)
 
 	s.ConnectEmitEvent(f.emitEvent)
+
+	s.ConnectStartManualUpdate(f.startManualUpdate)
 }

internal/frontend/qt/accountModel.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qt
 

internal/frontend/qt/accounts.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qt
 
@@ -84,7 +84,7 @@ func (s *FrontendQt) clearCache() {
 
 	channel := s.bridge.GetUpdateChannel()
 	if channel == updater.EarlyChannel {
-		if err := s.bridge.SetUpdateChannel(updater.StableChannel); err != nil {
+		if _, err := s.bridge.SetUpdateChannel(updater.StableChannel); err != nil {
 			s.Qml.NotifyManualUpdateError()
 			return
 		}

internal/frontend/qt/frontend.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 // Package qt is the Qt User interface for Desktop bridge.
 //
@@ -340,27 +340,35 @@ func (s *FrontendQt) qtExecute(Procedure func(*FrontendQt) error) error {
 	s.Qml.SetCredits(bridge.Credits)
 	s.Qml.SetFullversion(s.buildVersion)
 
-	// Autostart.
+	// Autostart: rewrite the current definition of autostart
-	if s.Qml.IsFirstStart() {
+	//  - when it is the first time
-		if s.autostart.IsEnabled() {
+	//  - when starting after clear cache
+	//  - when there is already autostart file from past
+	//
+	//  This will make sure that autostart will use the latest path to
+	//  launcher or bridge.
+	isAutoStartEnabled := s.autostart.IsEnabled()
+	if s.Qml.IsFirstStart() || isAutoStartEnabled {
+		if isAutoStartEnabled {
 			if err := s.autostart.Disable(); err != nil {
-				log.Error("First disable ", err)
+				log.
+					WithField("first", s.Qml.IsFirstStart()).
+					WithField("wasEnabled", isAutoStartEnabled).
+					WithError(err).
+					Error("Disable on start failed.")
 				s.autostartError(err)
 			}
 		}
-		s.toggleAutoStart()
+		if err := s.autostart.Enable(); err != nil {
-	}
+			log.
-	if s.autostart.IsEnabled() {
+				WithField("first", s.Qml.IsFirstStart()).
-		s.Qml.SetIsAutoStart(true)
+				WithField("wasEnabled", isAutoStartEnabled).
-	} else {
+				WithError(err).
-		s.Qml.SetIsAutoStart(false)
+				Error("Enable on start failed.")
-	}
+			s.autostartError(err)
-
+		}
-	if s.settings.GetBool(settings.AutoUpdateKey) {
-		s.Qml.SetIsAutoUpdate(true)
-	} else {
-		s.Qml.SetIsAutoUpdate(false)
 	}
+	s.Qml.SetIsAutoStart(s.autostart.IsEnabled())
 
 	if s.settings.GetBool(settings.AllowProxyKey) {
 		s.Qml.SetIsProxyAllowed(true)
@@ -557,20 +565,22 @@ func (s *FrontendQt) configureAppleMail(iAccount, iAddress int) {
 func (s *FrontendQt) toggleAutoStart() {
 	defer s.Qml.ProcessFinished()
 	var err error
-	if s.autostart.IsEnabled() {
+	wasEnabled := s.autostart.IsEnabled()
+	if wasEnabled {
 		err = s.autostart.Disable()
 	} else {
 		err = s.autostart.Enable()
 	}
+	isEnabled := s.autostart.IsEnabled()
 	if err != nil {
-		log.Error("Enable autostart: ", err)
+		log.
+			WithField("wasEnabled", wasEnabled).
+			WithField("isEnabled", isEnabled).
+			WithError(err).
+			Error("Autostart change failed.")
 		s.autostartError(err)
 	}
-	if s.autostart.IsEnabled() {
+	s.Qml.SetIsAutoStart(isEnabled)
-		s.Qml.SetIsAutoStart(true)
-	} else {
-		s.Qml.SetIsAutoStart(false)
-	}
 }
 
 func (s *FrontendQt) toggleAutoUpdate() {
@@ -595,14 +605,16 @@ func (s *FrontendQt) toggleEarlyAccess() {
 		channel = updater.EarlyChannel
 	}
 
-	err := s.bridge.SetUpdateChannel(channel)
+	needRestart, err := s.bridge.SetUpdateChannel(channel)
 	s.Qml.SetIsEarlyAccess(channel == updater.EarlyChannel)
 	if err != nil {
 		s.Qml.NotifyManualUpdateError()
 		return
 	}
-	s.restarter.SetToRestart()
+	if needRestart {
-	s.App.Quit()
+		s.restarter.SetToRestart()
+		s.App.Quit()
+	}
 }
 
 func (s *FrontendQt) toggleAllowProxy() {
@@ -733,4 +745,4 @@ func (s *FrontendQt) setKeychain(keychain string) {
 		s.restarter.SetToRestart()
 		s.App.Quit()
 	}
-}
+}

internal/frontend/qt/frontend_nogui.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build nogui
+// +build !build_qt
 
 package qt
 

internal/frontend/qt/helpers.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qt
 

internal/frontend/qt/notification.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qt
 

internal/frontend/qt/systray.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qt
 

internal/frontend/qt/ui.go

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// +build !nogui
+// +build build_qt
 
 package qt
 
@@ -50,6 +50,7 @@ type GoQMLInterface struct {
 	_ string `property:"fullversion"`
 	_ string `property:"downloadLink"`
 
+	_ string `property:"updateState"`
 	_ string `property:"updateVersion"`
 	_ bool   `property:"updateCanInstall"`
 	_ string `property:"updateLandingPage"`
@@ -82,9 +83,8 @@ type GoQMLInterface struct {
 	_ float32 `property:"progress"`
 	_ string  `property:"progressDescription"`
 
-	_ func(isAvailable bool)   `signal:"setConnectionStatus"`
+	_ func(isAvailable bool) `signal:"setConnectionStatus"`
-	_ func(updateState string) `signal:"setUpdateState"`
+	_ func()                 `slot:"checkInternet"`
-	_ func()                   `slot:"checkInternet"`
 
 	_ func() `slot:"setToRestart"`
 

internal/frontend/share/icon.rc

@@ -1 +0,0 @@
-IDI_ICON1 ICON DISCARDABLE "logo.ico"

internal/frontend/share/info.rc

@@ -0,0 +1,45 @@
+#define STRINGIZE_(x) #x
+#define STRINGIZE(x) STRINGIZE_(x)
+
+IDI_ICON1 ICON DISCARDABLE STRINGIZE(ICO_FILE)
+
+#if defined BUILD_BRIDGE
+    #define FILE_COMMENTS "The Bridge is an application that runs on your computer in the background and seamlessly encrypts and decrypts your mail as it enters and leaves your computer."
+    #define FILE_DESCRIPTION "ProtonMail Bridge"
+    #define INTERNAL_NAME STRINGIZE(EXE_NAME)
+    #define PRODUCT_NAME "ProtonMail Bridge for Windows"
+#elif defined BUILD_IE
+    #define FILE_COMMENTS "The Import-Export app helps you to migrate your emails from local files or remote IMAP servers to ProtonMail or simply export emails to local folder."
+    #define FILE_DESCRIPTION "ProtonMail Import-Export app"
+    #define INTERNAL_NAME STRINGIZE(EXE_NAME)
+    #define PRODUCT_NAME "ProtonMail Import-Export app for Windows"
+#else
+    #error No target specified
+#endif
+
+#define LEGAL_COPYRIGHT "(C) " STRINGIZE(YEAR) " Proton Technologies AG"
+
+1 VERSIONINFO
+FILEVERSION     FILE_VERSION_COMMA,0
+PRODUCTVERSION  FILE_VERSION_COMMA,0
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904b0"
+        BEGIN
+            VALUE "Comments", FILE_COMMENTS
+            VALUE "CompanyName", "Proton Technologies AG"
+            VALUE "FileDescription", FILE_DESCRIPTION
+            VALUE "FileVersion", STRINGIZE(FILE_VERSION)
+            VALUE "InternalName", INTERNAL_NAME
+            VALUE "LegalCopyright", LEGAL_COPYRIGHT
+            VALUE "OriginalFilename", STRINGIZE(ORIGINAL_FILE_NAME)
+            VALUE "ProductName", PRODUCT_NAME
+            VALUE "ProductVersion", STRINGIZE(PRODUCT_VERSION)
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x0409, 0x04B0
+    END
+END

internal/frontend/types/types.go

@@ -79,7 +79,7 @@ type Bridger interface {
 	AllowProxy()
 	DisallowProxy()
 	GetUpdateChannel() updater.UpdateChannel
-	SetUpdateChannel(updater.UpdateChannel) error
+	SetUpdateChannel(updater.UpdateChannel) (needRestart bool, err error)
 	GetKeychainApp() string
 	SetKeychainApp(keychain string)
 }
@@ -114,10 +114,10 @@ func (b *bridgeWrap) GetUser(query string) (User, error) {
 type ImportExporter interface {
 	UserManager
 
-	GetLocalImporter(string, string) (*transfer.Transfer, error)
+	GetLocalImporter(string, string, string) (*transfer.Transfer, error)
-	GetRemoteImporter(string, string, string, string, string) (*transfer.Transfer, error)
+	GetRemoteImporter(string, string, string, string, string, string) (*transfer.Transfer, error)
-	GetEMLExporter(string, string) (*transfer.Transfer, error)
+	GetEMLExporter(string, string, string) (*transfer.Transfer, error)
-	GetMBOXExporter(string, string) (*transfer.Transfer, error)
+	GetMBOXExporter(string, string, string) (*transfer.Transfer, error)
 	ReportBug(osType, osVersion, description, accountName, address, emailClient string) error
 	ReportFile(osType, osVersion, accountName, address string, logdata []byte) error
 }

internal/imap/mailbox_message.go

@@ -181,7 +181,7 @@ func (im *imapMailbox) createMessage(flags []string, date time.Time, body imap.L
 				return err
 			}
 
-			targetSeq := im.storeMailbox.GetUIDList([]string{m.ID})
+			targetSeq := im.storeMailbox.GetUIDList(IDs)
 			return uidplus.AppendResponse(im.storeMailbox.UIDValidity(), targetSeq)
 		}
 	}
@@ -226,7 +226,7 @@ func (im *imapMailbox) importMessage(m *pmapi.Message, readers []io.Reader, kr *
 	return im.storeMailbox.ImportMessage(m, body, labels)
 }
 
-func (im *imapMailbox) getMessage(storeMessage storeMessageProvider, items []imap.FetchItem) (msg *imap.Message, err error) {
+func (im *imapMailbox) getMessage(storeMessage storeMessageProvider, items []imap.FetchItem, msgBuildCountHistogram *msgBuildCountHistogram) (msg *imap.Message, err error) { //nolint[funlen]
 	im.log.WithField("msgID", storeMessage.ID()).Trace("Getting message")
 
 	seqNum, err := storeMessage.SequenceNumber()
@@ -268,7 +268,12 @@ func (im *imapMailbox) getMessage(storeMessage storeMessageProvider, items []ima
 			// on our part and we need to compute "real" size of decrypted data.
 			if m.Size <= 0 {
 				im.log.WithField("msgID", storeMessage.ID()).Trace("Size unknown - downloading body")
-				if _, _, err = im.getBodyAndStructure(storeMessage); err != nil {
+				// We are sure the size is not a problem right now. Clients
+				// might not first check sizes of all messages so we couldn't
+				// be sure if seeing 1st or 2nd sync is all right or not.
+				// Therefore, it's better to exclude getting size from the
+				// counting and see build count as real message build.
+				if _, _, err = im.getBodyAndStructure(storeMessage, nil); err != nil {
 					return
 				}
 			}
@@ -279,7 +284,7 @@ func (im *imapMailbox) getMessage(storeMessage storeMessageProvider, items []ima
 				return nil, err
 			}
 		default:
-			if err = im.getLiteralForSection(item, msg, storeMessage); err != nil {
+			if err = im.getLiteralForSection(item, msg, storeMessage, msgBuildCountHistogram); err != nil {
 				return
 			}
 		}
@@ -288,14 +293,14 @@ func (im *imapMailbox) getMessage(storeMessage storeMessageProvider, items []ima
 	return msg, err
 }
 
-func (im *imapMailbox) getLiteralForSection(itemSection imap.FetchItem, msg *imap.Message, storeMessage storeMessageProvider) error {
+func (im *imapMailbox) getLiteralForSection(itemSection imap.FetchItem, msg *imap.Message, storeMessage storeMessageProvider, msgBuildCountHistogram *msgBuildCountHistogram) error {
 	section, err := imap.ParseBodySectionName(itemSection)
 	if err != nil { // Ignore error
 		return nil
 	}
 
 	var literal imap.Literal
-	if literal, err = im.getMessageBodySection(storeMessage, section); err != nil {
+	if literal, err = im.getMessageBodySection(storeMessage, section, msgBuildCountHistogram); err != nil {
 		return err
 	}
 
@@ -313,14 +318,19 @@ func (im *imapMailbox) getBodyStructure(storeMessage storeMessageProvider) (bs *
 		im.log.WithError(err).Debug("Fail to retrieve bodystructure from database")
 	}
 	if bs == nil {
-		if bs, _, err = im.getBodyAndStructure(storeMessage); err != nil {
+		// We are sure the body structure is not a problem right now.
+		// Clients might do first fetch body structure so we couldn't
+		// be sure if seeing 1st or 2nd sync is all right or not.
+		// Therefore, it's better to exclude first body structure fetch
+		// from the counting and see build count as real message build.
+		if bs, _, err = im.getBodyAndStructure(storeMessage, nil); err != nil {
 			return
 		}
 	}
 	return
 }
 
-func (im *imapMailbox) getBodyAndStructure(storeMessage storeMessageProvider) (
+func (im *imapMailbox) getBodyAndStructure(storeMessage storeMessageProvider, msgBuildCountHistogram *msgBuildCountHistogram) (
 	structure *message.BodyStructure,
 	bodyReader *bytes.Reader, err error,
 ) {
@@ -352,6 +362,15 @@ func (im *imapMailbox) getBodyAndStructure(storeMessage storeMessageProvider) (
 					WithField("msgID", m.ID).
 					Warn("Cannot update header while building")
 			}
+			if msgBuildCountHistogram != nil {
+				times, err := storeMessage.IncreaseBuildCount()
+				if err != nil {
+					im.log.WithError(err).
+						WithField("msgID", m.ID).
+						Warn("Cannot increase build count")
+				}
+				msgBuildCountHistogram.add(times)
+			}
 			// Drafts can change and we don't want to cache them.
 			if !isMessageInDraftFolder(m) {
 				cache.SaveMail(id, body, structure)
@@ -379,7 +398,7 @@ func isMessageInDraftFolder(m *pmapi.Message) bool {
 
 // This will download message (or read from cache) and pick up the section,
 // extract data (header,body, both) and trim the output if needed.
-func (im *imapMailbox) getMessageBodySection(storeMessage storeMessageProvider, section *imap.BodySectionName) (literal imap.Literal, err error) { // nolint[funlen]
+func (im *imapMailbox) getMessageBodySection(storeMessage storeMessageProvider, section *imap.BodySectionName, msgBuildCountHistogram *msgBuildCountHistogram) (literal imap.Literal, err error) { // nolint[funlen]
 	var (
 		structure  *message.BodyStructure
 		bodyReader *bytes.Reader
@@ -410,7 +429,7 @@ func (im *imapMailbox) getMessageBodySection(storeMessage storeMessageProvider,
 		}
 	} else {
 		// The rest of cases need download and decrypt.
-		structure, bodyReader, err = im.getBodyAndStructure(storeMessage)
+		structure, bodyReader, err = im.getBodyAndStructure(storeMessage, msgBuildCountHistogram)
 		if err != nil {
 			return
 		}
@@ -564,7 +583,7 @@ func (im *imapMailbox) writeRelatedPart(p io.Writer, m *pmapi.Message, inlines [
 			return
 		}
 
-		h := message.GetAttachmentHeader(inline)
+		h := message.GetAttachmentHeader(inline, true)
 		if p, err = related.CreatePart(h); err != nil {
 			return
 		}
@@ -738,7 +757,7 @@ func (im *imapMailbox) buildMessageInner(m *pmapi.Message, kr *crypto.KeyRing) (
 			defer buf.Reset()
 			att := atts[idx]
 
-			attachmentHeader := message.GetAttachmentHeader(att)
+			attachmentHeader := message.GetAttachmentHeader(att, true)
 			if partWriter, err = mw.CreatePart(attachmentHeader); err != nil {
 				return err
 			}

internal/imap/mailbox_messages.go

@@ -482,12 +482,13 @@ func (im *imapMailbox) SearchMessages(isUID bool, criteria *imap.SearchCriteria)
 //
 // Messages must be sent to msgResponse. When the function returns, msgResponse must be closed.
 func (im *imapMailbox) ListMessages(isUID bool, seqSet *imap.SeqSet, items []imap.FetchItem, msgResponse chan<- *imap.Message) error {
+	msgBuildCountHistogram := newMsgBuildCountHistogram()
 	return im.logCommand(func() error {
-		return im.listMessages(isUID, seqSet, items, msgResponse)
+		return im.listMessages(isUID, seqSet, items, msgResponse, msgBuildCountHistogram)
-	}, "FETCH", isUID, seqSet, items)
+	}, "FETCH", isUID, seqSet, items, msgBuildCountHistogram)
 }
 
-func (im *imapMailbox) listMessages(isUID bool, seqSet *imap.SeqSet, items []imap.FetchItem, msgResponse chan<- *imap.Message) (err error) { //nolint[funlen]
+func (im *imapMailbox) listMessages(isUID bool, seqSet *imap.SeqSet, items []imap.FetchItem, msgResponse chan<- *imap.Message, msgBuildCountHistogram *msgBuildCountHistogram) (err error) { //nolint[funlen]
 	defer func() {
 		close(msgResponse)
 		if err != nil {
@@ -544,7 +545,7 @@ func (im *imapMailbox) listMessages(isUID bool, seqSet *imap.SeqSet, items []ima
 			return nil, err
 		}
 
-		msg, err := im.getMessage(storeMessage, items)
+		msg, err := im.getMessage(storeMessage, items, msgBuildCountHistogram)
 		if err != nil {
 			err = fmt.Errorf("list message build: %v", err)
 			l.WithField("metaID", storeMessage.ID()).Error(err)

internal/imap/msg_build_counts.go

@@ -0,0 +1,65 @@
+// Copyright (c) 2021 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package imap
+
+import (
+	"fmt"
+	"sync"
+)
+
+// msgBuildCountHistogram is used to analyse and log the number of repetitive
+// downloads of requested messages per one fetch. The number of builds per each
+// messageID is stored in persistent database. The msgBuildCountHistogram will
+// take this number for each message in ongoing fetch and create histogram of
+// repeats.
+//
+// Example: During `fetch 1:300` there were
+// - 100 messages were downloaded first time
+// - 100 messages were downloaded second time
+// - 99 messages were downloaded 10th times
+// - 1 messages were downloaded 100th times
+type msgBuildCountHistogram struct {
+	// Key represents how many times message was build.
+	// Value stores how many messages are build X times based on the key.
+	counts map[uint32]uint32
+	lock   sync.Locker
+}
+
+func newMsgBuildCountHistogram() *msgBuildCountHistogram {
+	return &msgBuildCountHistogram{
+		counts: map[uint32]uint32{},
+		lock:   &sync.Mutex{},
+	}
+}
+
+func (c *msgBuildCountHistogram) String() string {
+	res := ""
+	for nRebuild, counts := range c.counts {
+		if res != "" {
+			res += ", "
+		}
+		res += fmt.Sprintf("[%d]:%d", nRebuild, counts)
+	}
+	return res
+}
+
+func (c *msgBuildCountHistogram) add(nRebuild uint32) {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+	c.counts[nRebuild]++
+}

internal/imap/store.go

@@ -103,6 +103,7 @@ type storeMessageProvider interface {
 	SetContentTypeAndHeader(string, mail.Header) error
 	SetBodyStructure(*pkgMsg.BodyStructure) error
 	GetBodyStructure() (*pkgMsg.BodyStructure, error)
+	IncreaseBuildCount() (uint32, error)
 }
 
 type storeUserWrap struct {

internal/importexport/importexport.go

@@ -118,9 +118,9 @@ func (ie *ImportExport) ReportFile(osType, osVersion, accountName, address strin
 }
 
 // GetLocalImporter returns transferrer from local EML or MBOX structure to ProtonMail account.
-func (ie *ImportExport) GetLocalImporter(address, path string) (*transfer.Transfer, error) {
+func (ie *ImportExport) GetLocalImporter(username, address, path string) (*transfer.Transfer, error) {
 	source := transfer.NewLocalProvider(path)
-	target, err := ie.getPMAPIProvider(address)
+	target, err := ie.getPMAPIProvider(username, address)
 	if err != nil {
 		return nil, err
 	}
@@ -132,12 +132,12 @@ func (ie *ImportExport) GetLocalImporter(address, path string) (*transfer.Transf
 }
 
 // GetRemoteImporter returns transferrer from remote IMAP to ProtonMail account.
-func (ie *ImportExport) GetRemoteImporter(address, username, password, host, port string) (*transfer.Transfer, error) {
+func (ie *ImportExport) GetRemoteImporter(username, address, remoteUsername, remotePassword, host, port string) (*transfer.Transfer, error) {
-	source, err := transfer.NewIMAPProvider(username, password, host, port)
+	source, err := transfer.NewIMAPProvider(remoteUsername, remotePassword, host, port)
 	if err != nil {
 		return nil, err
 	}
-	target, err := ie.getPMAPIProvider(address)
+	target, err := ie.getPMAPIProvider(username, address)
 	if err != nil {
 		return nil, err
 	}
@@ -149,8 +149,8 @@ func (ie *ImportExport) GetRemoteImporter(address, username, password, host, por
 }
 
 // GetEMLExporter returns transferrer from ProtonMail account to local EML structure.
-func (ie *ImportExport) GetEMLExporter(address, path string) (*transfer.Transfer, error) {
+func (ie *ImportExport) GetEMLExporter(username, address, path string) (*transfer.Transfer, error) {
-	source, err := ie.getPMAPIProvider(address)
+	source, err := ie.getPMAPIProvider(username, address)
 	if err != nil {
 		return nil, err
 	}
@@ -163,8 +163,8 @@ func (ie *ImportExport) GetEMLExporter(address, path string) (*transfer.Transfer
 }
 
 // GetMBOXExporter returns transferrer from ProtonMail account to local MBOX structure.
-func (ie *ImportExport) GetMBOXExporter(address, path string) (*transfer.Transfer, error) {
+func (ie *ImportExport) GetMBOXExporter(username, address, path string) (*transfer.Transfer, error) {
-	source, err := ie.getPMAPIProvider(address)
+	source, err := ie.getPMAPIProvider(username, address)
 	if err != nil {
 		return nil, err
 	}
@@ -176,8 +176,8 @@ func (ie *ImportExport) GetMBOXExporter(address, path string) (*transfer.Transfe
 	return transfer.New(ie.panicHandler, newExportMetricsManager(ie), logsPath, ie.cache.GetTransferDir(), source, target)
 }
 
-func (ie *ImportExport) getPMAPIProvider(address string) (*transfer.PMAPIProvider, error) {
+func (ie *ImportExport) getPMAPIProvider(username, address string) (*transfer.PMAPIProvider, error) {
-	user, err := ie.Users.GetUser(address)
+	user, err := ie.Users.GetUser(username)
 	if err != nil {
 		return nil, err
 	}

internal/locations/locations.go

@@ -32,8 +32,8 @@ import (
 // On linux:
 // - settings: ~/.config/protonmail/<app>
 // - logs: ~/.cache/protonmail/<app>/logs
-// - cache: ~/.cache/protonmail/<app>/cache
+// - cache: ~/.config/protonmail/<app>/cache
-// - updates: ~/.cache/protonmail/<app>/updates
+// - updates: ~/.config/protonmail/<app>/updates
 // - lockfile: ~/.cache/protonmail/<app>/<app>.lock
 type Locations struct {
 	userConfig, userCache string
@@ -129,7 +129,7 @@ func (l *Locations) ProvideLogsPath() (string, error) {
 	return l.getLogsPath(), nil
 }
 
-// ProvideCachePath returns a location for user cache dirs (e.g. ~/.cache/<company>/<app>/cache).
+// ProvideCachePath returns a location for user cache dirs (e.g. ~/.config/<company>/<app>/cache).
 // It creates it if it doesn't already exist.
 func (l *Locations) ProvideCachePath() (string, error) {
 	if err := os.MkdirAll(l.getCachePath(), 0700); err != nil {
@@ -139,6 +139,11 @@ func (l *Locations) ProvideCachePath() (string, error) {
 	return l.getCachePath(), nil
 }
 
+// GetOldCachePath returns a former location for user cache dirs used for migration scripts only.
+func (l *Locations) GetOldCachePath() string {
+	return filepath.Join(l.userCache, "cache")
+}
+
 // ProvideUpdatesPath returns a location for update files (e.g. ~/.cache/<company>/<app>/updates).
 // It creates it if it doesn't already exist.
 func (l *Locations) ProvideUpdatesPath() (string, error) {
@@ -149,6 +154,16 @@ func (l *Locations) ProvideUpdatesPath() (string, error) {
 	return l.getUpdatesPath(), nil
 }
 
+// GetUpdatesPath returns a new location for update files used for migration scripts only.
+func (l *Locations) GetUpdatesPath() string {
+	return l.getUpdatesPath()
+}
+
+// GetOldUpdatesPath returns a former location for update files used for migration scripts only.
+func (l *Locations) GetOldUpdatesPath() string {
+	return filepath.Join(l.userCache, "updates")
+}
+
 func (l *Locations) getSettingsPath() string {
 	return l.userConfig
 }
@@ -158,11 +173,33 @@ func (l *Locations) getLogsPath() string {
 }
 
 func (l *Locations) getCachePath() string {
-	return filepath.Join(l.userCache, "cache")
+	// Bridge cache is not a typical cache which can be deleted with only
+	// downside that the app has to download everything again.
+	// Cache for bridge is database with IMAP UIDs and UIDVALIDITY, and also
+	// other IMAP setup. Deleting such data leads to either re-sync of client,
+	// or mix of headers and bodies. Both is caused because of need of re-sync
+	// between Bridge and API which will happen in different order than before.
+	// In the first case, UIDVALIDITY is also changed and causes the better
+	// outcome to "just" re-sync everything; in the later, UIDVALIDITY stays
+	// the same, causing the client to not re-sync but UIDs in the client does
+	// not match UIDs in Bridge.
+	// Because users might use tools to regularly clear caches, Bridge cache
+	// cannot be located in a standard cache folder.
+	return filepath.Join(l.userConfig, "cache")
 }
 
 func (l *Locations) getUpdatesPath() string {
-	return filepath.Join(l.userCache, "updates")
+	// In order to properly update Bridge 1.6.X and higher we need to
+	// change the launcher first. Since this is not part of automatic
+	// updates the migration must wait until manual update. Until that
+	// we need to keep old path.
+	if l.configName == "bridge" {
+		return l.GetOldUpdatesPath()
+	}
+
+	// Users might use tools to regularly clear caches, which would mean always
+	// removing updates, therefore Bridge updates have to be somewhere else.
+	return filepath.Join(l.userConfig, "updates")
 }
 
 // Clear removes everything except the lock and update files.

internal/locations/locations_test.go

@@ -45,7 +45,8 @@ func TestClearRemovesEverythingExceptLockAndUpdateFiles(t *testing.T) {
 	assert.NoError(t, l.Clear())
 
 	assert.FileExists(t, l.GetLockFile())
-	assert.NoDirExists(t, l.getSettingsPath())
+	assert.DirExists(t, l.getSettingsPath())
+	assert.NoFileExists(t, filepath.Join(l.getSettingsPath(), "prefs.json"))
 	assert.NoDirExists(t, l.getLogsPath())
 	assert.NoDirExists(t, l.getCachePath())
 	assert.DirExists(t, l.getUpdatesPath())
@@ -58,6 +59,7 @@ func TestClearUpdateFiles(t *testing.T) {
 
 	assert.FileExists(t, l.GetLockFile())
 	assert.DirExists(t, l.getSettingsPath())
+	assert.FileExists(t, filepath.Join(l.getSettingsPath(), "prefs.json"))
 	assert.DirExists(t, l.getLogsPath())
 	assert.DirExists(t, l.getCachePath())
 	assert.NoDirExists(t, l.getUpdatesPath())
@@ -75,6 +77,7 @@ func TestCleanLeavesStandardLocationsUntouched(t *testing.T) {
 
 	assert.FileExists(t, l.GetLockFile())
 	assert.DirExists(t, l.getSettingsPath())
+	assert.FileExists(t, filepath.Join(l.getSettingsPath(), "prefs.json"))
 	assert.DirExists(t, l.getLogsPath())
 	assert.FileExists(t, filepath.Join(l.getLogsPath(), "log1.txt"))
 	assert.FileExists(t, filepath.Join(l.getLogsPath(), "log2.txt"))
@@ -138,6 +141,9 @@ func newTestLocations(t *testing.T) *Locations {
 	require.NoError(t, err)
 	require.DirExists(t, settings)
 
+	createFilesInDir(t, settings, "prefs.json")
+	require.FileExists(t, filepath.Join(settings, "prefs.json"))
+
 	logs, err := l.ProvideLogsPath()
 	require.NoError(t, err)
 	require.DirExists(t, logs)

internal/smtp/dump_default.go

@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// +build !build_qa
+
+package smtp
+
+func dumpMessageData([]byte, string) {}

internal/smtp/dump_qa.go

@@ -0,0 +1,60 @@
+// Copyright (c) 2021 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// +build build_qa
+
+package smtp
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/sirupsen/logrus"
+)
+
+func dumpMessageData(b []byte, subject string) {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		logrus.WithError(err).Error("Failed to dump raw message data")
+		return
+	}
+
+	path := filepath.Join(home, "bridge-qa")
+
+	if err := os.MkdirAll(path, 0700); err != nil {
+		logrus.WithError(err).Error("Failed to dump raw message data")
+		return
+	}
+
+	if len(subject) > 16 {
+		subject = subject[:16]
+	}
+
+	if err := ioutil.WriteFile(
+		filepath.Join(path, fmt.Sprintf("%v-%v.eml", subject, time.Now().Format(time.RFC3339Nano))),
+		b,
+		0600,
+	); err != nil {
+		logrus.WithError(err).Error("Failed to dump raw message data")
+		return
+	}
+
+	logrus.WithField("path", path).Info("Dumped raw message data")
+}

internal/smtp/server.go

@@ -42,6 +42,7 @@ func NewSMTPServer(debug bool, port int, useSSL bool, tls *tls.Config, smtpBacke
 	s.TLSConfig = tls
 	s.Domain = bridge.Host
 	s.AllowInsecureAuth = true
+	s.MaxLineLength = 2 << 16
 
 	if debug {
 		fmt.Println("THE LOG WILL CONTAIN **DECRYPTED** MESSAGE DATA")

internal/smtp/user.go

@@ -215,6 +215,10 @@ func (su *smtpUser) Send(returnPath string, to []string, messageReader io.Reader
 	// Called from go-smtp in goroutines - we need to handle panics for each function.
 	defer su.panicHandler.HandlePanic()
 
+	b := new(bytes.Buffer)
+
+	messageReader = io.TeeReader(messageReader, b)
+
 	mailSettings, err := su.client().GetMailSettings()
 	if err != nil {
 		return err
@@ -405,6 +409,8 @@ func (su *smtpUser) Send(returnPath string, to []string, messageReader io.Reader
 
 	req.PreparePackages()
 
+	dumpMessageData(b.Bytes(), message.Subject)
+
 	return su.storeUser.SendMessage(message.ID, req)
 }
 

internal/store/event_loop.go

@@ -268,8 +268,6 @@ func (loop *eventLoop) processNextEvent() (more bool, err error) { // nolint[fun
 		return false, errors.New("received empty event")
 	}
 
-	l = l.WithField("newEventID", event.EventID)
-
 	if err = loop.processEvent(event); err != nil {
 		return false, errors.Wrap(err, "failed to process event")
 	}

internal/store/mailbox_message.go

@@ -67,10 +67,14 @@ func (storeMailbox *Mailbox) ImportMessage(msg *pmapi.Message, body []byte, labe
 	}
 
 	res, err := storeMailbox.client().Import([]*pmapi.ImportMsgReq{importReqs})
-	if err == nil && len(res) > 0 {
+	if err != nil {
-		msg.ID = res[0].MessageID
+		return err
 	}
-	return err
+	if len(res) == 0 {
+		return errors.New("no import response")
+	}
+	msg.ID = res[0].MessageID
+	return res[0].Error
 }
 
 // LabelMessages adds the label by calling an API.

internal/store/message.go

@@ -148,3 +148,17 @@ func (message *Message) GetBodyStructure() (bs *pkgMsg.BodyStructure, err error)
 	}
 	return bs, nil
 }
+
+func (message *Message) IncreaseBuildCount() (times uint32, err error) {
+	txUpdate := func(tx *bolt.Tx) error {
+		times, err = message.store.txIncreaseMsgBuildCount(
+			tx.Bucket(msgBuildCountBucket),
+			message.ID(),
+		)
+		return err
+	}
+	if err = message.store.db.Update(txUpdate); err != nil {
+		return 0, err
+	}
+	return times, nil
+}

internal/store/store.go

@@ -54,6 +54,8 @@ var (
 	//   * {messageID} -> message data (subject, from, to, time, headers, body size, ...)
 	// * bodystructure
 	//   * {messageID} -> message body structure
+	// * msgbuildcount
+	//   * {messageID} -> uint32 number of message builds to track re-sync issues
 	// * counts
 	//   * {mailboxID} -> mailboxCounts: totalOnAPI, unreadOnAPI, labelName, labelColor, labelIsExclusive
 	// * address_info
@@ -76,6 +78,7 @@ var (
 	//       * {messageID} -> true
 	metadataBucket      = []byte("metadata")          //nolint[gochecknoglobals]
 	bodystructureBucket = []byte("bodystructure")     //nolint[gochecknoglobals]
+	msgBuildCountBucket = []byte("msgbuildcount")     //nolint[gochecknoglobals]
 	countsBucket        = []byte("counts")            //nolint[gochecknoglobals]
 	addressInfoBucket   = []byte("address_info")      //nolint[gochecknoglobals]
 	addressModeBucket   = []byte("address_mode")      //nolint[gochecknoglobals]
@@ -204,6 +207,10 @@ func openBoltDatabase(filePath string) (db *bolt.DB, err error) {
 			return
 		}
 
+		if _, err = tx.CreateBucketIfNotExists(msgBuildCountBucket); err != nil {
+			return
+		}
+
 		if _, err = tx.CreateBucketIfNotExists(countsBucket); err != nil {
 			return
 		}
@@ -263,7 +270,7 @@ func (store *Store) init(firstInit bool) (err error) {
 		}
 	}
 
-	store.log.WithField("mode", store.addressMode).Debug("Initialising store")
+	store.log.WithField("mode", store.addressMode).Info("Initialising store")
 
 	labels, err := store.initCounts()
 	if err != nil {

internal/store/user_message.go

@@ -191,6 +191,19 @@ func (store *Store) txGetBodyStructure(bsBucket *bolt.Bucket, msgID string) (*pk
 	return pkgMsg.DeserializeBodyStructure(raw)
 }
 
+func (store *Store) txIncreaseMsgBuildCount(b *bolt.Bucket, msgID string) (uint32, error) {
+	key := []byte(msgID)
+	count := uint32(0)
+
+	raw := b.Get(key)
+	if raw != nil {
+		count = btoi(raw)
+	}
+
+	count++
+	return count, b.Put(key, itob(count))
+}
+
 // createOrUpdateMessageEvent is helper to create only one message with
 // createOrUpdateMessagesEvent.
 func (store *Store) createOrUpdateMessageEvent(msg *pmapi.Message) error {

pkg/message/body.go

@@ -57,19 +57,23 @@ func WriteAttachmentBody(w io.Writer, kr *crypto.KeyRing, m *pmapi.Message, att
 		att.Name += ".gpg"
 		att.MIMEType = "application/pgp-encrypted" //nolint
 	} else if err != nil && err != openpgperrors.ErrSignatureExpired {
-		err = fmt.Errorf("cannot decrypt attachment: %v", err)
+		return fmt.Errorf("cannot decrypt attachment: %v", err)
-		return
+	}
+
+	// Don't encode message/rfc822 attachments; they should be embedded and preserved.
+	if att.MIMEType == rfc822Message {
+		if n, err := io.Copy(w, dr); err != nil {
+			return fmt.Errorf("cannot write attached message: %v (wrote %v bytes)", err, n)
+		}
+		return nil
 	}
 
 	// Encode it.
 	ww := textwrapper.NewRFC822(w)
 	bw := base64.NewEncoder(base64.StdEncoding, ww)
 
-	var n int64
+	if n, err := io.Copy(bw, dr); err != nil {
-	if n, err = io.Copy(bw, dr); err != nil {
+		return fmt.Errorf("cannot write attachment: %v (wrote %v bytes)", err, n)
-		err = fmt.Errorf("cannot write attachment: %v (wrote %v bytes)", err, n)
 	}
-
+	return bw.Close()
-	_ = bw.Close()
-	return
 }

pkg/message/build.go

@@ -124,7 +124,7 @@ func (bld *Builder) writeRelatedPart(p io.Writer, inlines []*pmapi.Attachment) e
 			return err
 		}
 
-		h := GetAttachmentHeader(inline)
+		h := GetAttachmentHeader(inline, false)
 		if p, err = related.CreatePart(h); err != nil {
 			return err
 		}
@@ -194,7 +194,7 @@ func (bld *Builder) BuildMessage() (structure *BodyStructure, message []byte, er
 				return nil, nil, err
 			}
 
-			attachmentHeader := GetAttachmentHeader(att)
+			attachmentHeader := GetAttachmentHeader(att, false)
 			if partWriter, err = mw.CreatePart(attachmentHeader); err != nil {
 				return nil, nil, err
 			}
@@ -311,16 +311,11 @@ func BuildEncrypted(m *pmapi.Message, readers []io.Reader, kr *crypto.KeyRing) (
 	for i := 0; i < len(m.Attachments); i++ {
 		att := m.Attachments[i]
 		r := readers[i]
-		h := GetAttachmentHeader(att)
+		h := GetAttachmentHeader(att, false)
 		p, err := mw.CreatePart(h)
 		if err != nil {
 			return nil, err
 		}
-		// Create line wrapper writer.
-		ww := textwrapper.NewRFC822(p)
-
-		// Create base64 writer.
-		bw := base64.NewEncoder(base64.StdEncoding, ww)
 
 		data, err := ioutil.ReadAll(r)
 		if err != nil {
@@ -332,6 +327,9 @@ func BuildEncrypted(m *pmapi.Message, readers []io.Reader, kr *crypto.KeyRing) (
 		if err != nil {
 			return nil, err
 		}
+
+		ww := textwrapper.NewRFC822(p)
+		bw := base64.NewEncoder(base64.StdEncoding, ww)
 		if _, err := bw.Write(pgpMessage.GetBinary()); err != nil {
 			return nil, err
 		}

pkg/message/header.go

@@ -107,12 +107,17 @@ func GetRelatedHeader(m *pmapi.Message) textproto.MIMEHeader {
 	return h
 }
 
-func GetAttachmentHeader(att *pmapi.Attachment) textproto.MIMEHeader {
+func GetAttachmentHeader(att *pmapi.Attachment, buildForIMAP bool) textproto.MIMEHeader {
 	mediaType := att.MIMEType
 	if mediaType == "application/pgp-encrypted" {
 		mediaType = "application/octet-stream"
 	}
 
+	transferEncoding := "base64"
+	if mediaType == rfc822Message && buildForIMAP {
+		transferEncoding = "8bit"
+	}
+
 	encodedName := pmmime.EncodeHeader(att.Name)
 	disposition := "attachment" //nolint[goconst]
 	if strings.Contains(att.Header.Get("Content-Disposition"), "inline") {
@@ -121,7 +126,9 @@ func GetAttachmentHeader(att *pmapi.Attachment) textproto.MIMEHeader {
 
 	h := make(textproto.MIMEHeader)
 	h.Set("Content-Type", mime.FormatMediaType(mediaType, map[string]string{"name": encodedName}))
-	h.Set("Content-Transfer-Encoding", "base64")
+	if transferEncoding != "" {
+		h.Set("Content-Transfer-Encoding", transferEncoding)
+	}
 	h.Set("Content-Disposition", mime.FormatMediaType(disposition, map[string]string{"filename": encodedName}))
 
 	// Forward some original header lines.

pkg/message/message.go

@@ -26,6 +26,10 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
+const (
+	rfc822Message = "message/rfc822"
+)
+
 var log = logrus.WithField("pkg", "pkg/message") //nolint[gochecknoglobals]
 
 func GetBoundary(m *pmapi.Message) string {

pkg/message/section.go

@@ -201,7 +201,7 @@ func (bs *BodyStructure) parseAllChildSections(r io.Reader, currentPath []int, s
 	mediaType, params, _ := pmmime.ParseMediaType(info.Header.Get("Content-Type"))
 
 	// If multipart, call getAllParts, else read to count lines.
-	if (strings.HasPrefix(mediaType, "multipart/") || mediaType == "message/rfc822") && params["boundary"] != "" {
+	if (strings.HasPrefix(mediaType, "multipart/") || mediaType == rfc822Message) && params["boundary"] != "" {
 		newPath := append(currentPath, 1)
 
 		var br *boundaryReader

release-notes/bridge_early.md

@@ -1,3 +1,29 @@
+## v1.6.6
+- 2021-02-26
+
+### Fixed
+
+- Fixed update notifications
+- Fixed GUI freeze while switching to early update channel
+- Fixed Bridge autostart
+- Improved signing of update packages
+
+## v1.6.5
+- 2021-02-22
+
+### New
+
+- Allow to choose which keychain is used by Bridge on Linux
+- Added automatic update CLI commands
+- Improved performance during slow connection
+- Added IMAP requests to the logs for easier debugging 
+
+### Fixed
+
+- NoGUI bulid
+- Background of GUI welcome message
+- Incorrect total mailbox size displayed in Apple Mail
+
 ## v1.6.3
 - 2021-02-16
 

release-notes/bridge_stable.md

@@ -1,3 +1,24 @@
+## v1.6.6
+- 2021-03-04
+
+### New
+
+- Allow to choose which keychain is used by Bridge on Linux
+- Added automatic update CLI commands
+- Improved performance during slow connection
+- Added IMAP requests to the logs for easier debugging
+
+### Fixed
+
+- Fixed update notifications
+- Fixed GUI freeze while switching to early update channel
+- Fixed Bridge autostart
+- Improved signing of update packages
+- NoGUI bulid
+- Background of GUI welcome message
+- Incorrect total mailbox size displayed in Apple Mail
+
+
 ## v1.6.3
 - 2021-02-16
 

release-notes/ie_stable.md

@@ -1,51 +1,49 @@
+## v1.3.1
+- 2021-03-11
+
+### New
+- Reduce the number of import errors by supporting malformed undisclosed-recipient and better handling of overly long headers
+- Improvements to how large attachments are processed
+- New format of the release notes
+
+### Fixed
+- Linux font issues - Fedora specific
+- Fixed rare message misplacement
+- Ensure removal of the startup entry during uninstallation
+- Update errors
+
+
 ## v1.2.2
 - 2020-11-27
 
 ### New
-Improvements to the import from large mbox files with multiple labels
+- Improvements to the import from large mbox files with multiple labels
-
+- Not allow to run multiple instances of the app or transfers at the same time
-Not allow to run multiple instances of the app or transfers at the same time
+- Better handling and displaying of skipped messages
-
+- Various enhancements of the import process related to parsing
-Better handling and displaying of skipped messages
+- Cosmetic GUI changes
-
+- Better error handling
-Various enhancements of the import process related to parsing
-
-Cosmetic GUI changes
-
-Better error handling
 
 ### Fixed
-
+- Linux font issues - Fedora specific
-Linux font issues - Fedora specific
+- App response to the user pausing and canceling import or export
-
+- Upgrade errors
-App response to the user pausing and canceling import or export
-
-Upgrade errors
 
 
 ## v1.1.2
 - 2020-09-23
 
 ### New
-
+- Improving performance
-Improving performance
+- Speed up import by implementing parallel processing (parallel fetch, encrypt and upload of messages)
-
+- Optimising the initial fetch of messages from external accounts
-  * Speed up import by implementing parallel processing (parallel fetch, encrypt and upload of messages)
+- Better message parsing
-  * Optimising the initial fetch of messages from external accounts
+- Better handling of attachments and non-standard formatting
-
+- Improved stability of the message parser
-Better message parsing
+- Improved metrics
-
+- Added persistent anonymous API cookies
-  * Better handling of attachments and non-standard formatting
-  * Improved stability of the message parser
-
-Improved metrics
-
-  * Added persistent anonymous API cookies
-
 
 ### Fixed
-
+- Fixed issues causing failing of import
-Fixed issues causing failing of import
+- Import from mbox files with long lines
-
+- Improvements to import from Yahoo accounts
-  * Import from mbox files with long lines
-  * Improvements to import from Yahoo accounts

test/features/bridge/imap/message/import.feature

@@ -117,3 +117,64 @@ Feature: IMAP import messages
     Then IMAP response is "OK"
     And API mailbox "INBOX" for "user" has 0 message
     And API mailbox "Sent" for "user" has 1 message
+
+  Scenario: Import embedded message
+    When IMAP client imports message to "INBOX"
+      """
+      From: Foo <foo@example.com>
+      To: Bridge Test <bridgetest@pm.test>
+      Subject: Embedded message
+      Content-Type: multipart/mixed; boundary="boundary"
+      Received: by 2002:0:0:0:0:0:0:0 with SMTP id 0123456789abcdef; Wed, 30 Dec 2020 01:23:45 0000
+
+      This is a multi-part message in MIME format.
+      --boundary
+      Content-Type: text/plain; charset=utf-8
+      Content-Transfer-Encoding: 7bit
+
+
+      --boundary
+      Content-Type: message/rfc822; name="embedded.eml"
+      Content-Transfer-Encoding: 7bit
+      Content-Disposition: attachment; filename="embedded.eml"
+
+      From: Bar <bar@example.com>
+      To: Bridge Test <bridgetest@pm.test>
+      Subject: (No Subject)
+      Content-Type: text/plain; charset=utf-8
+      Content-Transfer-Encoding: quoted-printable
+
+      hello
+
+      --boundary--
+
+      """
+    Then IMAP response is "OK"
+
+  # We cannot control internal IDs on live server.
+  @ignore-live
+  Scenario: Import existing message
+    When IMAP client imports message to "INBOX"
+      """
+      From: Foo <foo@example.com>
+      To: Bridge Test <bridgetest@pm.test>
+      Subject: Hello
+      Received: by 2002:0:0:0:0:0:0:0 with SMTP id 0123456789abcdef; Wed, 30 Dec 2020 01:23:45 0000
+      X-Pm-Internal-Id: 1
+
+      Hello
+
+      """
+    Then IMAP response is "OK \[APPENDUID \d 1\] APPEND completed"
+    When IMAP client imports message to "INBOX"
+      """
+      From: Foo <foo@example.com>
+      To: Bridge Test <bridgetest@pm.test>
+      Subject: Hello
+      Received: by 2002:0:0:0:0:0:0:0 with SMTP id 0123456789abcdef; Wed, 30 Dec 2020 01:23:45 0000
+      X-Pm-Internal-Id: 1
+
+      Hello
+
+      """
+    Then IMAP response is "OK \[APPENDUID \d 1\] APPEND completed"

test/features/bridge/smtp/send/embedded_message.feature

@@ -0,0 +1,38 @@
+Feature: SMTP sending embedded message
+  Scenario: Send it
+    Given there is connected user "user"
+    And there is SMTP client logged in as "user"
+    When SMTP client sends message
+      """
+      From: Bridge Test <[userAddress]>
+      To: Internal Bridge <bridgetest@protonmail.com>
+      Subject: Embedded message
+      Content-Type: multipart/mixed; boundary="boundary"
+
+      This is a multi-part message in MIME format.
+      --boundary
+      Content-Type: text/plain; charset=utf-8
+      Content-Transfer-Encoding: 7bit
+
+
+      --boundary
+      Content-Type: message/rfc822; name="embedded.eml"
+      Content-Transfer-Encoding: 7bit
+      Content-Disposition: attachment; filename="embedded.eml"
+
+      From: Bar <bar@example.com>
+      To: Bridge Test <bridgetest@pm.test>
+      Subject: (No Subject)
+      Content-Type: text/plain; charset=utf-8
+      Content-Transfer-Encoding: quoted-printable
+
+      hello
+
+      --boundary--
+
+
+      """
+    Then SMTP response is "OK"
+    And mailbox "Sent" for "user" has messages
+      | from          | to                        | subject          |
+      | [userAddress] | bridgetest@protonmail.com | Embedded message |

test/features/bridge/smtp/send/html.feature

@@ -294,3 +294,42 @@ Feature: SMTP sending of HTML messages
         }
       }
       """
+
+  Scenario: HTML message with extremely long line (greater than default 2000 line limit) to external account
+    When SMTP client sends message
+      """
+      From: Bridge Test <[userAddress]>
+      To: External Bridge <pm.bridge.qa@gmail.com>
+      Subject: HTML text external
+      Content-Disposition: inline
+      Content-Transfer-Encoding: quoted-printable
+      Content-Type: text/html; charset=utf-8
+      In-Reply-To: <base64hashOfSomeMessage@protonmail.internalid>
+
+      <html><body>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<body></html>
+
+      """
+    Then SMTP response is "OK"
+    And mailbox "Sent" for "user" has messages
+      | from          | to                     | subject            |
+      | [userAddress] | pm.bridge.qa@gmail.com | HTML text external |
+    And message is sent with API call
+      """
+      {
+        "Message": {
+          "Subject": "HTML text external",
+          "Sender": {
+            "Name": "Bridge Test"
+          },
+          "ToList": [
+            {
+              "Address": "pm.bridge.qa@gmail.com",
+              "Name": "External Bridge"
+            }
+          ],
+          "CCList": [],
+          "BCCList": [],
+          "MIMEType": "text/html"
+        }
+      }
+      """

test/features/ie/transfer/import_embedded.feature

@@ -0,0 +1,43 @@
+Feature: Import embedded message
+  Background:
+    Given there is connected user "user"
+    And there is EML file "Inbox/hello.eml"
+      """
+      From: Foo <foo@example.com>
+      To: Bridge Test <bridgetest@pm.test>
+      Subject: Embedded message
+      Content-Type: multipart/mixed; boundary="boundary"
+      Received: by 2002:0:0:0:0:0:0:0 with SMTP id 0123456789abcdef; Wed, 30 Dec 2020 01:23:45 0000
+
+      This is a multi-part message in MIME format.
+      --boundary
+      Content-Type: text/plain; charset=utf-8
+      Content-Transfer-Encoding: 7bit
+
+
+      --boundary
+      Content-Type: message/rfc822; name="embedded.eml"
+      Content-Transfer-Encoding: 7bit
+      Content-Disposition: attachment; filename="embedded.eml"
+
+      From: Bar <bar@example.com>
+      To: Bridge Test <bridgetest@pm.test>
+      Subject: (No Subject)
+      Content-Type: text/plain; charset=utf-8
+      Content-Transfer-Encoding: quoted-printable
+
+      hello
+
+      --boundary--
+
+      """
+
+  Scenario: Import it
+    When user "user" imports local files
+    Then progress result is "OK"
+    And transfer exported 1 messages
+    And transfer imported 1 messages
+    And transfer failed for 0 messages
+    And API mailbox "INBOX" for "user" has messages
+      | from            | to                 | subject          |
+      | foo@example.com | bridgetest@pm.test | Embedded message |

test/features/ie/transfer/import_sent.feature

@@ -35,6 +35,16 @@ Feature: Import to sent
       | foo@example.com | bridgetest@pm.test | one     |
       | bar@example.com | bridgetest@pm.test | two     |
 
+  # Messages imported to label only are added automatically to Archive folder.
+  # Then it depends on the order: if the message is first imported to Sent
+  # folder and later to that label with importing to Archive, message will not
+  # be in Sent but Archive. The order is semi-random for the big messages,
+  # e.g., it will do alphabetical order of mailboxes, but for under ten small
+  # messages the order is random every time (because we are importing in
+  # batches of up to ten messages and iterating through map we use to collect
+  # messages is random). So we cannot for this test ensure the same output
+  # every time.
+  @ignore-live
   Scenario: Import to sent and custom label
     And there is EML file "Label/one.eml"
       """

test/imap_actions_mailbox_test.go

@@ -18,6 +18,8 @@
 package tests
 
 import (
+	"time"
+
 	"github.com/cucumber/godog"
 )
 
@@ -44,6 +46,16 @@ func imapClientRenamesMailboxTo(mailboxName, newMailboxName string) error {
 }
 
 func imapClientDeletesMailbox(mailboxName string) error {
+	if mailboxName == "Trash" {
+		// Delete of Trash mailbox calls empty label on API.
+		// Empty label means delete all messages in that label with time
+		// creation before time of execution. But creation time is in
+		// seconds, not miliseconds. That's why message created at the
+		// same second as emptying label is called is not deleted.
+		// Tests might be that fast and therefore we need to sleep for
+		// a second to make sure test doesn't produce fake failure.
+		time.Sleep(time.Second)
+	}
 	res := ctx.GetIMAPClient("imap").DeleteMailbox(mailboxName)
 	ctx.SetIMAPLastResponse("imap", res)
 	return nil

test/imap_checks_test.go

@@ -19,6 +19,7 @@ package tests
 
 import (
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/cucumber/godog"
@@ -47,9 +48,12 @@ func imapResponseIs(expectedResponse string) error {
 
 func imapResponseNamedIs(clientID, expectedResponse string) error {
 	res := ctx.GetIMAPLastResponse(clientID)
-	if expectedResponse == "OK" {
+	switch {
+	case expectedResponse == "OK":
 		res.AssertOK()
-	} else {
+	case strings.HasPrefix(expectedResponse, "OK"):
+		res.AssertResult(expectedResponse)
+	default:
 		res.AssertError(expectedResponse)
 	}
 	return ctx.GetTestingError()

test/mocks/imap_response.go

@@ -107,6 +107,13 @@ func (ir *IMAPResponse) AssertOK() *IMAPResponse {
 	return ir
 }
 
+func (ir *IMAPResponse) AssertResult(wantResult string) *IMAPResponse {
+	ir.wait()
+	a.NoError(ir.t, ir.err)
+	a.Regexp(ir.t, wantResult, ir.result, "Expected result %s but got %s", wantResult, ir.result)
+	return ir
+}
+
 func (ir *IMAPResponse) AssertError(wantErrMsg string) *IMAPResponse {
 	ir.wait()
 	if ir.err == nil {

test/transfer_actions_test.go

@@ -60,9 +60,9 @@ func userImportsLocalFilesToAddress(bddUserID, bddAddressID string) error {
 }
 
 func userImportsLocalFilesToAddressWithRules(bddUserID, bddAddressID string, rules *gherkin.DataTable) error {
-	return doTransfer(bddUserID, bddAddressID, rules, func(address string) (*transfer.Transfer, error) {
+	return doTransfer(bddUserID, bddAddressID, rules, func(username, address string) (*transfer.Transfer, error) {
 		path := ctx.GetTransferLocalRootForImport()
-		return ctx.GetImportExport().GetLocalImporter(address, path)
+		return ctx.GetImportExport().GetLocalImporter(username, address, path)
 	})
 }
 
@@ -81,9 +81,9 @@ func userImportsRemoteMessagesToAddress(bddUserID, bddAddressID string) error {
 }
 
 func userImportsRemoteMessagesToAddressWithRules(bddUserID, bddAddressID string, rules *gherkin.DataTable) error {
-	return doTransfer(bddUserID, bddAddressID, rules, func(address string) (*transfer.Transfer, error) {
+	return doTransfer(bddUserID, bddAddressID, rules, func(username, address string) (*transfer.Transfer, error) {
 		imapServer := ctx.GetTransferRemoteIMAPServer()
-		return ctx.GetImportExport().GetRemoteImporter(address, imapServer.Username, imapServer.Password, imapServer.Host, imapServer.Port)
+		return ctx.GetImportExport().GetRemoteImporter(username, address, imapServer.Username, imapServer.Password, imapServer.Host, imapServer.Port)
 	})
 }
 
@@ -102,9 +102,9 @@ func userExportsAddressToEMLFiles(bddUserID, bddAddressID string) error {
 }
 
 func userExportsAddressToEMLFilesWithRules(bddUserID, bddAddressID string, rules *gherkin.DataTable) error {
-	return doTransfer(bddUserID, bddAddressID, rules, func(address string) (*transfer.Transfer, error) {
+	return doTransfer(bddUserID, bddAddressID, rules, func(username, address string) (*transfer.Transfer, error) {
 		path := ctx.GetTransferLocalRootForExport()
-		return ctx.GetImportExport().GetEMLExporter(address, path)
+		return ctx.GetImportExport().GetEMLExporter(username, address, path)
 	})
 }
 
@@ -123,20 +123,20 @@ func userExportsAddressToMBOXFiles(bddUserID, bddAddressID string) error {
 }
 
 func userExportsAddressToMBOXFilesWithRules(bddUserID, bddAddressID string, rules *gherkin.DataTable) error {
-	return doTransfer(bddUserID, bddAddressID, rules, func(address string) (*transfer.Transfer, error) {
+	return doTransfer(bddUserID, bddAddressID, rules, func(username, address string) (*transfer.Transfer, error) {
 		path := ctx.GetTransferLocalRootForExport()
-		return ctx.GetImportExport().GetMBOXExporter(address, path)
+		return ctx.GetImportExport().GetMBOXExporter(username, address, path)
 	})
 }
 
 // Helpers.
 
-func doTransfer(bddUserID, bddAddressID string, rules *gherkin.DataTable, getTransferrer func(string) (*transfer.Transfer, error)) error {
+func doTransfer(bddUserID, bddAddressID string, rules *gherkin.DataTable, getTransferrer func(string, string) (*transfer.Transfer, error)) error {
 	account := ctx.GetTestAccountWithAddress(bddUserID, bddAddressID)
 	if account == nil {
 		return godog.ErrPending
 	}
-	transferrer, err := getTransferrer(account.Address())
+	transferrer, err := getTransferrer(account.Username(), account.Address())
 	if err != nil {
 		return internalError(err, "failed to init transfer")
 	}

utils/remove_non_relative_links_darwin.sh

@@ -17,10 +17,13 @@
 # You should have received a copy of the GNU General Public License
 # along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-
+# The Qt libs are dynamically loaded with rules like: `@rpath/QtGui.framework/Versions/5/QtGui`
-## Make sure that mac exe will not contain broken library links
+# @rpath instructs the dynamic linker to search a list of paths in order to locate the framework
-# * remove absolute paths for Qt libs
+# The rules can be listed using `otool -l "${path_to_binary}"`
-# * add relative part to app bundle Frameworks
+# The building process of therecipe/qt or qmake leaves the rules with additinal unwanted paths
+#   + absolute path to build directory
+#   + dummy replacement `/break_the_rpath`
+# We need to manually remove those and add the path relative to exectuable: `@executable_path/../Frameworks`
 
 path_to_binary=$1
 
@@ -29,11 +32,11 @@ if [ -z ${path_to_binary} ]; then
     exit 2
 fi
 
-for remove_path_qt in $(otool -l "${path_to_binary}" | grep '/Users/' | awk '{print $2}');
+for path_to_remove in $(otool -l "${path_to_binary}" | egrep '/Users/|break_the_rpath' | awk '{print $2}');
 do
-    if [ ! -z "${remove_path_qt}" ]; then
+    if [ ! -z "${path_to_remove}" ]; then
-        printf "\e[0;32mRemove path to qt ${remove_path_qt} ...\033[0m\n\e[0;31m"
+        printf "\e[0;32mRemove path to qt '${path_to_remove}' ...\033[0m\n\e[0;31m"
-        install_name_tool -delete_rpath "${remove_path_qt}" "${path_to_binary}" || exit 1
+        install_name_tool -delete_rpath "${path_to_remove}" "${path_to_binary}" || exit 1
     fi
 done
 rpath_rule=$(otool -l "${path_to_binary}" | grep executable_path | awk '{print $2}')