push notification services

src/Android/Android.csproj

@@ -30,6 +30,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <AndroidLinkMode>None</AndroidLinkMode>
+    <AndroidEnableMultiDex>true</AndroidEnableMultiDex>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -59,6 +60,9 @@
     <PackageReference Include="Xamarin.Essentials">
       <Version>1.1.0</Version>
     </PackageReference>
+    <PackageReference Include="Xamarin.Firebase.Messaging">
+      <Version>60.1142.1</Version>
+    </PackageReference>
     <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
     <PackageReference Include="Xamarin.Android.Support.Design" Version="28.0.0.1" />
     <PackageReference Include="Xamarin.Android.Support.v7.AppCompat" Version="28.0.0.1" />
@@ -80,6 +84,8 @@
     <Compile Include="Autofill\FilledItem.cs" />
     <Compile Include="Autofill\Parser.cs" />
     <Compile Include="Autofill\SavedItem.cs" />
+    <Compile Include="Push\FirebaseInstanceIdService.cs" />
+    <Compile Include="Push\FirebaseMessagingService.cs" />
     <Compile Include="Receivers\LockAlarmReceiver.cs" />
     <Compile Include="Receivers\PackageReplacedReceiver.cs" />
     <Compile Include="Renderers\ExtendedSliderRenderer.cs" />
@@ -89,6 +95,7 @@
     <Compile Include="Renderers\CustomSearchBarRenderer.cs" />
     <Compile Include="Renderers\ExtendedListViewRenderer.cs" />
     <Compile Include="Renderers\HybridWebViewRenderer.cs" />
+    <Compile Include="Services\AndroidPushNotificationService.cs" />
     <Compile Include="SplashActivity.cs" />
     <Compile Include="Renderers\BoxedView\BoxedViewRecyclerAdapter.cs" />
     <Compile Include="Renderers\BoxedView\BoxedViewRenderer.cs" />
@@ -111,6 +118,10 @@
     <AndroidAsset Include="Assets\FontAwesome.ttf" />
     <AndroidAsset Include="Assets\RobotoMono_Regular.ttf" />
     <AndroidAsset Include="Assets\MaterialIcons_Regular.ttf" />
+    <None Include="8bit.keystore.enc" />
+    <None Include="ci-build-apks.ps1" />
+    <GoogleServicesJson Include="google-services.json" />
+    <GoogleServicesJson Include="google-services.json.enc" />
     <None Include="Properties\AndroidManifest.xml" />
   </ItemGroup>
   <ItemGroup>

src/Android/MainApplication.cs

@@ -76,6 +76,20 @@ namespace Bit.Droid
             ServiceContainer.Register<IStorageService>("secureStorageService", secureStorageService);
             ServiceContainer.Register<IDeviceActionService>("deviceActionService", deviceActionService);
             ServiceContainer.Register<IPlatformUtilsService>("platformUtilsService", platformUtilsService);
+
+            // Push
+#if FDROID
+            container.RegisterSingleton<IPushNotificationListener, NoopPushNotificationListener>();
+            container.RegisterSingleton<IPushNotificationService, NoopPushNotificationService>();
+#else
+            var notificationListenerService = new PushNotificationListenerService();
+            ServiceContainer.Register<IPushNotificationListenerService>(
+                "pushNotificationListenerService", notificationListenerService);
+            var androidPushNotificationService = new AndroidPushNotificationService(
+                mobileStorageService, notificationListenerService);
+            ServiceContainer.Register<IPushNotificationService>(
+                "pushNotificationService", androidPushNotificationService);
+#endif
         }
 
         private void Bootstrap()

src/Android/Push/FirebaseInstanceIdService.cs

@@ -0,0 +1,25 @@
+#if !FDROID
+using Android.App;
+using Android.Content;
+using Bit.App.Abstractions;
+using Bit.Core;
+using Bit.Core.Abstractions;
+using Bit.Core.Utilities;
+using Firebase.Iid;
+
+namespace Bit.Droid.Push
+{
+    [Service]
+    [IntentFilter(new[] { "com.google.firebase.INSTANCE_ID_EVENT" })]
+    public class FirebaseInstanceIdService : Firebase.Iid.FirebaseInstanceIdService
+    {
+        public override void OnTokenRefresh()
+        {
+            var storageService = ServiceContainer.Resolve<IStorageService>("storageService");
+            var pushNotificationService = ServiceContainer.Resolve<IPushNotificationService>("pushNotificationService");
+            storageService.SaveAsync(Constants.PushRegisteredTokenKey, FirebaseInstanceId.Instance.Token);
+            pushNotificationService.RegisterAsync();
+        }
+    }
+}
+#endif

src/Android/Push/FirebaseMessagingService.cs

@@ -0,0 +1,42 @@
+#if !FDROID
+using Android.App;
+using Android.Content;
+using Bit.App.Abstractions;
+using Bit.Core.Utilities;
+using Firebase.Messaging;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Xamarin.Forms;
+
+namespace Bit.Droid.Push
+{
+    [Service]
+    [IntentFilter(new[] { "com.google.firebase.MESSAGING_EVENT" })]
+    public class FirebaseMessagingService : Firebase.Messaging.FirebaseMessagingService
+    {
+        public override void OnMessageReceived(RemoteMessage message)
+        {
+            if(message?.Data == null)
+            {
+                return;
+            }
+            var data = message.Data.ContainsKey("data") ? message.Data["data"] : null;
+            if(data == null)
+            {
+                return;
+            }
+            try
+            {
+                var obj = JObject.Parse(data);
+                var listener = ServiceContainer.Resolve<IPushNotificationListenerService>(
+                    "pushNotificationListenerService");
+                listener.OnMessageAsync(obj, Device.Android);
+            }
+            catch(JsonReaderException ex)
+            {
+                System.Diagnostics.Debug.WriteLine(ex.ToString());
+            }
+        }
+    }
+}
+#endif

src/Android/Services/AndroidPushNotificationService.cs

@@ -0,0 +1,50 @@
+#if !FDROID
+using System;
+using System.Threading.Tasks;
+using Bit.App.Abstractions;
+using Bit.Core;
+using Bit.Core.Abstractions;
+using Xamarin.Forms;
+
+namespace Bit.Droid.Services
+{
+    public class AndroidPushNotificationService : IPushNotificationService
+    {
+        private readonly IStorageService _storageService;
+        private readonly IPushNotificationListenerService _pushNotificationListenerService;
+
+        public AndroidPushNotificationService(
+            IStorageService storageService,
+            IPushNotificationListenerService pushNotificationListenerService)
+        {
+            _storageService = storageService;
+            _pushNotificationListenerService = pushNotificationListenerService;
+        }
+
+        public async Task<string> GetTokenAsync()
+        {
+            return await _storageService.GetAsync<string>(Constants.PushCurrentTokenKey);
+        }
+
+        public async Task RegisterAsync()
+        {
+            var registeredToken = await _storageService.GetAsync<string>(Constants.PushRegisteredTokenKey);
+            var currentToken = await GetTokenAsync();
+            if(!string.IsNullOrWhiteSpace(registeredToken) && registeredToken != currentToken)
+            {
+                await _pushNotificationListenerService.OnRegisteredAsync(registeredToken, Device.Android);
+            }
+            else
+            {
+                await _storageService.SaveAsync(Constants.PushLastRegistrationDateKey, DateTime.UtcNow);
+            }
+        }
+
+        public Task UnregisterAsync()
+        {
+            // Do we ever need to unregister?
+            return Task.FromResult(0);
+        }
+    }
+}
+#endif

src/Android/ci-build-apks.ps1

@@ -0,0 +1,87 @@
+$rootPath = $env:APPVEYOR_BUILD_FOLDER;
+
+$androidPath = $($rootPath + "\src\Android\Android.csproj");
+$appPath = $($rootPath + "\src\App\App.csproj");
+
+echo "##### Increment Version"
+
+$androidManifest = $($rootPath + "\src\Android\Properties\AndroidManifest.xml");
+
+$xml=New-Object XML;
+$xml.Load($androidManifest);
+
+$node=$xml.SelectNodes("/manifest");
+$node.SetAttribute("android:versionCode", $env:APPVEYOR_BUILD_NUMBER);
+
+$xml.Save($androidManifest);
+
+echo "##### Decrypt Keystore"
+
+$encKeystorePath = $($rootPath + "\src\Android\8bit.keystore.enc");
+$secureFilePath = $($rootPath + "\secure-file\tools\secure-file.exe");
+
+Invoke-Expression "& `"$secureFilePath`" -decrypt $($encKeystorePath) -secret $($env:keystore_dec_secret)"
+
+echo "##### Sign Release Configuration"
+
+msbuild "$($androidPath)" "/t:SignAndroidPackage" "/p:Configuration=Release" "/p:AndroidKeyStore=true" "/p:AndroidSigningKeyAlias=bitwarden" "/p:AndroidSigningKeyPass=$($env:keystore_password)" "/p:AndroidSigningKeyStore=8bit.keystore" "/p:AndroidSigningStorePass=$($env:keystore_password)" "/v:quiet"
+
+echo "##### Copy Release apk to project root"
+
+$signedApkPath = $($rootPath + "\src\Android\bin\Release\com.x8bit.bitwarden-Signed.apk");
+$signedApkDestPath = $($rootPath + "\com.x8bit.bitwarden-" + $env:APPVEYOR_BUILD_NUMBER + ".apk");
+
+Copy-Item $signedApkPath $signedApkDestPath
+
+echo "##### Clean Android and App"
+
+msbuild "$($androidPath)" "/t:Clean" "/p:Configuration=FDroid"
+msbuild "$($appPath)" "/t:Clean" "/p:Configuration=FDroid"
+
+echo "##### Backup project files"
+
+Copy-Item $androidPath $($androidPath + ".original");
+Copy-Item $appPath $($appPath + ".original");
+
+echo "##### Uninstall from Android.csproj"
+
+$xml=New-Object XML;
+$xml.Load($androidPath);
+
+$ns=New-Object System.Xml.XmlNamespaceManager($xml.NameTable);
+$ns.AddNamespace("ns", $xml.DocumentElement.NamespaceURI);
+
+$firebaseNode=$xml.SelectSingleNode("/ns:Project/ns:ItemGroup/ns:PackageReference[@Include='Xamarin.Firebase.Messaging']", $ns);
+$firebaseNode.ParentNode.RemoveChild($firebaseNode);
+
+$xml.Save($androidPath);
+
+echo "##### Uninstall from App.csproj"
+
+$xml=New-Object XML;
+$xml.Load($appPath);
+
+$hockeyNode=$xml.SelectSingleNode("/Project/ItemGroup/PackageReference[@Include='HockeySDK.Xamarin']");
+$hockeyNode.ParentNode.RemoveChild($hockeyNode);
+
+$xml.Save($appPath);
+
+echo "##### Restore NuGet"
+
+$nugetPath = $($rootPath + "\nuget.exe");
+
+Invoke-Expression "& `"$nugetPath`" restore"
+
+echo "##### Build and Sign FDroid Configuration"
+
+msbuild "$($androidPath)" "/logger:C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll" "/p:Configuration=FDroid"
+msbuild "$($androidPath)" "/t:SignAndroidPackage" "/p:Configuration=FDroid" "/p:AndroidKeyStore=true" "/p:AndroidSigningKeyAlias=bitwarden" "/p:AndroidSigningKeyPass=$($env:keystore_password)" "/p:AndroidSigningKeyStore=8bit.keystore" "/p:AndroidSigningStorePass=$($env:keystore_password)" "/v:quiet"
+
+echo "##### Copy FDroid apk to project root"
+
+$signedApkPath = $($rootPath + "\src\Android\bin\FDroid\com.x8bit.bitwarden-Signed.apk");
+$signedApkDestPath = $($rootPath + "\com.x8bit.bitwarden-fdroid-" + $env:APPVEYOR_BUILD_NUMBER + ".apk");
+
+Copy-Item $signedApkPath $signedApkDestPath
+
+echo "##### Done"

src/Android/google-services.json

@@ -0,0 +1,42 @@
+{
+  "project_info": {
+    "project_number": "1093287226212",
+    "firebase_url": "https://bitwarden-dev.firebaseio.com",
+    "project_id": "bitwarden-dev",
+    "storage_bucket": "bitwarden-dev.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:1093287226212:android:f8d67b786db1b844",
+        "android_client_info": {
+          "package_name": "com.x8bit.bitwarden"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "1093287226212-m4mv8ho387tdgosc9lsltnmruul7ouo0.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyA4Xkn0do7Ky_OLff2L_7MXeNK6s-JVgXg"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 1,
+          "other_platform_oauth_client": []
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}