Centralized logout into a message subscription in app class. Logout when API results are forbidden or unauthorized.

src/Android/MainActivity.cs

@@ -12,6 +12,7 @@ using Plugin.Fingerprint.Abstractions;
 using Plugin.Settings.Abstractions;
 using Plugin.Connectivity.Abstractions;
 using Acr.UserDialogs;
+using PushNotification.Plugin.Abstractions;
 
 namespace Bit.Android
 {
@@ -32,7 +33,8 @@ namespace Bit.Android
                 Resolver.Resolve<IDatabaseService>(),
                 Resolver.Resolve<ISyncService>(),
                 Resolver.Resolve<IFingerprint>(),
-                Resolver.Resolve<ISettings>()));
+                Resolver.Resolve<ISettings>(),
+                Resolver.Resolve<IPushNotification>()));
         }
 
         protected override void OnPause()

src/App/App.cs

@@ -13,6 +13,7 @@ using Bit.App.Controls;
 using Plugin.Connectivity.Abstractions;
 using System.Net;
 using Acr.UserDialogs;
+using PushNotification.Plugin.Abstractions;
 
 namespace Bit.App
 {
@@ -25,6 +26,7 @@ namespace Bit.App
         private readonly IAuthService _authService;
         private readonly IFingerprint _fingerprint;
         private readonly ISettings _settings;
+        private readonly IPushNotification _pushNotification;
 
         public App(
             IAuthService authService,
@@ -33,7 +35,8 @@ namespace Bit.App
             IDatabaseService databaseService,
             ISyncService syncService,
             IFingerprint fingerprint,
-            ISettings settings)
+            ISettings settings,
+            IPushNotification pushNotification)
         {
             _databaseService = databaseService;
             _connectivity = connectivity;
@@ -42,6 +45,7 @@ namespace Bit.App
             _authService = authService;
             _fingerprint = fingerprint;
             _settings = settings;
+            _pushNotification = pushNotification;
 
             SetStyles();
 
@@ -64,6 +68,11 @@ namespace Bit.App
             {
                 await CheckLockAsync(args);
             });
+
+            MessagingCenter.Subscribe<Application, string>(Current, "Logout", (sender, args) =>
+            {
+                Logout(args);
+            });
         }
 
         protected async override void OnStart()
@@ -166,6 +175,20 @@ namespace Bit.App
             }
         }
 
+        private void Logout(string logoutMessage)
+        {
+            _authService.LogOut();
+            Device.BeginInvokeOnMainThread(() =>
+            {
+                _pushNotification.Unregister();
+            });
+            Current.MainPage = new HomePage();
+            if(!string.IsNullOrWhiteSpace(logoutMessage))
+            {
+                _userDialogs.WarnToast("Logged out", logoutMessage);
+            }
+        }
+
         private async Task CheckLockAsync(bool forceLock)
         {
             // Only lock if they are logged in

src/App/Pages/Lock/LockFingerprintPage.cs

@@ -14,7 +14,6 @@ namespace Bit.App.Pages
     public class LockFingerprintPage : ExtendedContentPage
     {
         private readonly IFingerprint _fingerprint;
-        private readonly IAuthService _authService;
         private readonly IUserDialogs _userDialogs;
         private readonly ISettings _settings;
         private readonly bool _checkFingerprintImmediately;
@@ -24,7 +23,6 @@ namespace Bit.App.Pages
         {
             _checkFingerprintImmediately = checkFingerprintImmediately;
             _fingerprint = Resolver.Resolve<IFingerprint>();
-            _authService = Resolver.Resolve<IAuthService>();
             _userDialogs = Resolver.Resolve<IUserDialogs>();
             _settings = Resolver.Resolve<ISettings>();
 
@@ -79,9 +77,7 @@ namespace Bit.App.Pages
                 return;
             }
 
-            _authService.LogOut();
+            MessagingCenter.Send(Application.Current, "Logout", (string)null);
-            await Navigation.PopModalAsync();
-            Application.Current.MainPage = new HomePage();
         }
 
         public async Task CheckFingerprintAsync()

src/App/Pages/Lock/LockPasswordPage.cs

@@ -123,9 +123,7 @@ namespace Bit.App.Pages
                 return;
             }
 
-            _authService.LogOut();
+            MessagingCenter.Send(Application.Current, "Logout", (string)null);
-            await Navigation.PopModalAsync();
-            Application.Current.MainPage = new HomePage();
         }
     }
 }

src/App/Pages/Lock/LockPinPage.cs

@@ -102,9 +102,7 @@ namespace Bit.App.Pages
                 return;
             }
 
-            _authService.LogOut();
+            MessagingCenter.Send(Application.Current, "Logout", (string)null);
-            await Navigation.PopModalAsync();
-            Application.Current.MainPage = new HomePage();
         }
     }
 }

src/App/Pages/Settings/SettingsAddFolderPage.cs

@@ -7,6 +7,7 @@ using Bit.App.Resources;
 using Plugin.Connectivity.Abstractions;
 using Xamarin.Forms;
 using XLabs.Ioc;
+using System.Linq;
 
 namespace Bit.App.Pages
 {
@@ -74,8 +75,16 @@ namespace Bit.App.Pages
                 await saveTask;
 
                 _userDialogs.HideLoading();
+
+                if(saveTask.Result.Succeeded)
+                {
                     await Navigation.PopModalAsync();
                     _userDialogs.SuccessToast(nameCell.Entry.Text, "New folder created.");
+                }
+                else if(saveTask.Result.Errors.Count() > 0)
+                {
+                    await _userDialogs.AlertAsync(saveTask.Result.Errors.First().Message, AppResources.AnErrorHasOccurred);
+                }
             }, ToolbarItemOrder.Default, 0);
 
             Title = "Add Folder";

src/App/Pages/Settings/SettingsEditFolderPage.cs

@@ -6,6 +6,7 @@ using Bit.App.Resources;
 using Plugin.Connectivity.Abstractions;
 using Xamarin.Forms;
 using XLabs.Ioc;
+using System.Linq;
 
 namespace Bit.App.Pages
 {
@@ -87,8 +88,16 @@ namespace Bit.App.Pages
                 await saveTask;
 
                 _userDialogs.HideLoading();
+
+                if(saveTask.Result.Succeeded)
+                {
                     await Navigation.PopModalAsync();
                     _userDialogs.SuccessToast(nameCell.Entry.Text, "Folder updated.");
+                }
+                else if(saveTask.Result.Errors.Count() > 0)
+                {
+                    await _userDialogs.AlertAsync(saveTask.Result.Errors.First().Message, AppResources.AnErrorHasOccurred);
+                }
             }, ToolbarItemOrder.Default, 0);
 
             Title = "Edit Folder";

src/App/Pages/Settings/SettingsPage.cs

@@ -199,9 +199,7 @@ namespace Bit.App.Pages
                 return;
             }
 
-            _authService.LogOut();
+            MessagingCenter.Send(Application.Current, "Logout", (string)null);
-            _pushNotification.Unregister();
-            Application.Current.MainPage = new HomePage();
         }
 
         private async void ChangeMasterPasswordCell_Tapped(object sender, EventArgs e)

src/App/Pages/Vault/VaultAddSitePage.cs

@@ -134,8 +134,15 @@ namespace Bit.App.Pages
                 await saveTask;
 
                 _userDialogs.HideLoading();
+                if(saveTask.Result.Succeeded)
+                {
                     await Navigation.PopModalAsync();
                     _userDialogs.SuccessToast(nameCell.Entry.Text, "New site created.");
+                }
+                else if(saveTask.Result.Errors.Count() > 0)
+                {
+                    await _userDialogs.AlertAsync(saveTask.Result.Errors.First().Message, AppResources.AnErrorHasOccurred);
+                }
             }, ToolbarItemOrder.Default, 0);
 
             Title = AppResources.AddSite;

src/App/Pages/Vault/VaultEditSitePage.cs

@@ -168,8 +168,16 @@ namespace Bit.App.Pages
                 await saveTask;
 
                 _userDialogs.HideLoading();
+
+                if(saveTask.Result.Succeeded)
+                {
                     await Navigation.PopModalAsync();
                     _userDialogs.SuccessToast(nameCell.Entry.Text, "Site updated.");
+                }
+                else if(saveTask.Result.Errors.Count() > 0)
+                {
+                    await _userDialogs.AlertAsync(saveTask.Result.Errors.First().Message, AppResources.AnErrorHasOccurred);
+                }
             }, ToolbarItemOrder.Default, 0);
 
             Title = "Edit Site";

src/App/Services/FolderService.cs

@@ -6,6 +6,7 @@ using Bit.App.Abstractions;
 using Bit.App.Models;
 using Bit.App.Models.Data;
 using Bit.App.Models.Api;
+using Xamarin.Forms;
 
 namespace Bit.App.Services
 {
@@ -71,6 +72,11 @@ namespace Bit.App.Services
                     await _folderRepository.UpdateAsync(data);
                 }
             }
+            else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden
+                || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
+            {
+                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+            }
 
             return response;
         }
@@ -82,6 +88,11 @@ namespace Bit.App.Services
             {
                 await _folderRepository.DeleteAsync(folderId);
             }
+            else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden
+                || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
+            {
+                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+            }
 
             return response;
         }

src/App/Services/SiteService.cs

@@ -6,6 +6,7 @@ using Bit.App.Abstractions;
 using Bit.App.Models;
 using Bit.App.Models.Api;
 using Bit.App.Models.Data;
+using Xamarin.Forms;
 
 namespace Bit.App.Services
 {
@@ -78,6 +79,11 @@ namespace Bit.App.Services
                     await _siteRepository.UpdateAsync(data);
                 }
             }
+            else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden 
+                || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
+            {
+                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+            }
 
             return response;
         }
@@ -89,6 +95,11 @@ namespace Bit.App.Services
             {
                 await _siteRepository.DeleteAsync(id);
             }
+            else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden
+                || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
+            {
+                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+            }
 
             return response;
         }

src/App/Services/SyncService.cs

@@ -56,6 +56,13 @@ namespace Bit.App.Services
             if(!cipher.Succeeded)
             {
                 SyncCompleted(false);
+
+                if(cipher.StatusCode == System.Net.HttpStatusCode.Forbidden 
+                    || cipher.StatusCode == System.Net.HttpStatusCode.Unauthorized)
+                {
+                    MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                }
+
                 return false;
             }
 
@@ -136,6 +143,13 @@ namespace Bit.App.Services
             if(!ciphers.Succeeded)
             {
                 SyncCompleted(false);
+
+                if(ciphers.StatusCode == System.Net.HttpStatusCode.Forbidden
+                    || ciphers.StatusCode == System.Net.HttpStatusCode.Unauthorized)
+                {
+                    MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                }
+
                 return false;
             }
 
@@ -174,6 +188,13 @@ namespace Bit.App.Services
             if(!ciphers.Succeeded)
             {
                 SyncCompleted(false);
+
+                if(ciphers.StatusCode == System.Net.HttpStatusCode.Forbidden
+                    || ciphers.StatusCode == System.Net.HttpStatusCode.Unauthorized)
+                {
+                    MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                }
+
                 return false;
             }
 

src/iOS/AppDelegate.cs

@@ -24,6 +24,7 @@ using PushNotification.Plugin;
 using Plugin.DeviceInfo;
 using Plugin.Connectivity.Abstractions;
 using Bit.App.Pages;
+using PushNotification.Plugin.Abstractions;
 
 namespace Bit.iOS
 {
@@ -48,7 +49,8 @@ namespace Bit.iOS
                 Resolver.Resolve<IDatabaseService>(),
                 Resolver.Resolve<ISyncService>(),
                 Resolver.Resolve<IFingerprint>(),
-                Resolver.Resolve<ISettings>()));
+                Resolver.Resolve<ISettings>(),
+                Resolver.Resolve<IPushNotification>()));
 
             // Appearance stuff