GODT-1388: Refactor Alternative routing

internal/bridge/bridge.go

@@ -223,3 +223,19 @@ func (b *Bridge) MigrateCache(from, to string) error {
 
 	return nil
 }
+
+// SetProxyAllowed instructs the app whether to use DoH to access an API proxy if necessary.
+// It also needs to work before the app is initialised (because we may need to use the proxy at startup).
+func (b *Bridge) SetProxyAllowed(proxyAllowed bool) {
+	b.settings.SetBool(settings.AllowProxyKey, proxyAllowed)
+	if proxyAllowed {
+		b.clientManager.AllowProxy()
+	} else {
+		b.clientManager.DisallowProxy()
+	}
+}
+
+// GetProxyAllowed returns whether use of DoH is enabled to access an API proxy if necessary.
+func (b *Bridge) GetProxyAllowed() bool {
+	return b.settings.GetBool(settings.AllowProxyKey)
+}

internal/frontend/cli/system.go

@@ -129,7 +129,7 @@ func (f *frontendCLI) changePort(c *ishell.Context) {
 }
 
 func (f *frontendCLI) allowProxy(c *ishell.Context) {
-	if f.settings.GetBool(settings.AllowProxyKey) {
+	if f.bridge.GetProxyAllowed() {
 		f.Println("Bridge is already set to use alternative routing to connect to Proton if it is being blocked.")
 		return
 	}
@@ -137,13 +137,12 @@ func (f *frontendCLI) allowProxy(c *ishell.Context) {
 	f.Println("Bridge is currently set to NOT use alternative routing to connect to Proton if it is being blocked.")
 
 	if f.yesNoQuestion("Are you sure you want to allow bridge to do this") {
-		f.settings.SetBool(settings.AllowProxyKey, true)
-		f.bridge.AllowProxy()
+		f.bridge.SetProxyAllowed(true)
 	}
 }
 
 func (f *frontendCLI) disallowProxy(c *ishell.Context) {
-	if !f.settings.GetBool(settings.AllowProxyKey) {
+	if !f.bridge.GetProxyAllowed() {
 		f.Println("Bridge is already set to NOT use alternative routing to connect to Proton if it is being blocked.")
 		return
 	}
@@ -151,8 +150,7 @@ func (f *frontendCLI) disallowProxy(c *ishell.Context) {
 	f.Println("Bridge is currently set to use alternative routing to connect to Proton if it is being blocked.")
 
 	if f.yesNoQuestion("Are you sure you want to stop bridge from doing this") {
-		f.settings.SetBool(settings.AllowProxyKey, false)
-		f.bridge.DisallowProxy()
+		f.bridge.SetProxyAllowed(false)
 	}
 }
 

internal/frontend/qt/frontend_settings.go

@@ -99,12 +99,8 @@ func (f *FrontendQt) toggleAutostart(makeItEnabled bool) {
 }
 
 func (f *FrontendQt) toggleDoH(makeItEnabled bool) {
-	if f.settings.GetBool(settings.AllowProxyKey) == makeItEnabled {
-		f.qml.SetIsDoHEnabled(makeItEnabled)
-		return
-	}
-	f.settings.SetBool(settings.AllowProxyKey, makeItEnabled)
-	f.restart()
+	f.bridge.SetProxyAllowed(makeItEnabled)
+	f.qml.SetIsDoHEnabled(f.bridge.GetProxyAllowed())
 }
 
 func (f *FrontendQt) toggleUseSSLforSMTP(makeItEnabled bool) {

internal/frontend/qt/qml_backend.go

@@ -15,6 +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/>.
 
+//go:build build_qt
 // +build build_qt
 
 package qt
@@ -232,7 +233,7 @@ func (q *QMLBackend) setup(f *FrontendQt) {
 		}()
 	})
 
-	q.SetIsDoHEnabled(f.settings.GetBool(settings.AllowProxyKey))
+	q.SetIsDoHEnabled(f.bridge.GetProxyAllowed())
 	q.ConnectToggleDoH(f.toggleDoH)
 
 	q.SetUseSSLforSMTP(f.settings.GetBool(settings.SMTPSSLKey))

internal/frontend/types/types.go

@@ -75,8 +75,8 @@ type Bridger interface {
 	UserManager
 
 	ReportBug(osType, osVersion, description, accountName, address, emailClient string, attachLogs bool) error
-	AllowProxy()
-	DisallowProxy()
+	SetProxyAllowed(bool)
+	GetProxyAllowed() bool
 	EnableCache() error
 	DisableCache() error
 	MigrateCache(from, to string) error

internal/users/users.go

@@ -419,18 +419,6 @@ func (u *Users) SendMetric(m metrics.Metric) error {
 	return nil
 }
 
-// AllowProxy instructs the app to use DoH to access an API proxy if necessary.
-// It also needs to work before the app is initialised (because we may need to use the proxy at startup).
-func (u *Users) AllowProxy() {
-	u.clientManager.AllowProxy()
-}
-
-// DisallowProxy instructs the app to not use DoH to access an API proxy if necessary.
-// It also needs to work before the app is initialised (because we may need to use the proxy at startup).
-func (u *Users) DisallowProxy() {
-	u.clientManager.DisallowProxy()
-}
-
 // hasUser returns whether the struct currently has a user with ID `id`.
 func (u *Users) hasUser(id string) (user *User, ok bool) {
 	for _, u := range u.users {