Add billing module and include in play implementation.

app/build.gradle.kts

@@ -558,6 +558,8 @@ dependencies {
   implementation(libs.rxjava3.rxkotlin)
   implementation(libs.rxdogtag)
 
+  "playImplementation"(project(":billing"))
+
   "spinnerImplementation"(project(":spinner"))
 
   "canaryImplementation"(libs.square.leakcanary)

app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java

@@ -196,6 +196,7 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
                             .addNonBlocking(this::beginJobLoop)
                             .addNonBlocking(EmojiSource::refresh)
                             .addNonBlocking(() -> AppDependencies.getGiphyMp4Cache().onAppStart(this))
+                            .addNonBlocking(AppDependencies::getBillingApi)
                             .addNonBlocking(this::ensureProfileUploaded)
                             .addNonBlocking(() -> AppDependencies.getExpireStoriesManager().scheduleIfNecessary())
                             .addPostRender(() -> AppDependencies.getDeletedCallEventManager().scheduleIfNecessary())

app/src/main/java/org/thoughtcrime/securesms/billing/GooglePlayBillingApi.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2024 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.billing
+
+/**
+ * Variant interface for the BillingApi.
+ */
+interface GooglePlayBillingApi {
+  fun isApiAvailable(): Boolean = false
+  suspend fun queryProducts() {}
+
+  /**
+   * Empty implementation, to be used when play services are available but
+   * GooglePlayBillingApi is not available.
+   */
+  object Empty : GooglePlayBillingApi
+}

app/src/main/java/org/thoughtcrime/securesms/dependencies/AppDependencies.kt

@@ -12,6 +12,7 @@ import org.signal.core.util.resettableLazy
 import org.signal.libsignal.net.Network
 import org.signal.libsignal.zkgroup.profiles.ClientZkProfileOperations
 import org.signal.libsignal.zkgroup.receipts.ClientZkReceiptOperations
+import org.thoughtcrime.securesms.billing.GooglePlayBillingApi
 import org.thoughtcrime.securesms.components.TypingStatusRepository
 import org.thoughtcrime.securesms.components.TypingStatusSender
 import org.thoughtcrime.securesms.crypto.storage.SignalServiceDataStoreImpl
@@ -210,6 +211,11 @@ object AppDependencies {
     provider.provideAndroidCallAudioManager()
   }
 
+  @JvmStatic
+  val billingApi: GooglePlayBillingApi by lazy {
+    provider.provideBillingApi()
+  }
+
   private val _webSocketObserver: Subject<WebSocketConnectionState> = BehaviorSubject.create()
 
   /**
@@ -342,5 +348,6 @@ object AppDependencies {
     fun provideClientZkReceiptOperations(signalServiceConfiguration: SignalServiceConfiguration): ClientZkReceiptOperations
     fun provideScheduledMessageManager(): ScheduledMessageManager
     fun provideLibsignalNetwork(config: SignalServiceConfiguration): Network
+    fun provideBillingApi(): GooglePlayBillingApi
   }
 }

app/src/main/java/org/thoughtcrime/securesms/dependencies/ApplicationDependencyProvider.java

@@ -15,6 +15,8 @@ import org.signal.libsignal.net.Network;
 import org.signal.libsignal.zkgroup.profiles.ClientZkProfileOperations;
 import org.signal.libsignal.zkgroup.receipts.ClientZkReceiptOperations;
 import org.thoughtcrime.securesms.BuildConfig;
+import org.thoughtcrime.securesms.billing.GooglePlayBillingApi;
+import org.thoughtcrime.securesms.billing.GooglePlayBillingFactory;
 import org.thoughtcrime.securesms.components.TypingStatusRepository;
 import org.thoughtcrime.securesms.components.TypingStatusSender;
 import org.thoughtcrime.securesms.crypto.ReentrantSessionLock;
@@ -69,8 +71,8 @@ import org.thoughtcrime.securesms.util.AlarmSleepTimer;
 import org.thoughtcrime.securesms.util.AppForegroundObserver;
 import org.thoughtcrime.securesms.util.ByteUnit;
 import org.thoughtcrime.securesms.util.EarlyMessageCache;
-import org.thoughtcrime.securesms.util.RemoteConfig;
 import org.thoughtcrime.securesms.util.FrameRateTracker;
+import org.thoughtcrime.securesms.util.RemoteConfig;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.video.exo.GiphyMp4Cache;
 import org.thoughtcrime.securesms.video.exo.SimpleExoPlayerPool;
@@ -92,11 +94,11 @@ import org.whispersystems.signalservice.api.util.SleepTimer;
 import org.whispersystems.signalservice.api.util.UptimeSleepTimer;
 import org.whispersystems.signalservice.api.websocket.WebSocketFactory;
 import org.whispersystems.signalservice.internal.configuration.SignalServiceConfiguration;
+import org.whispersystems.signalservice.internal.websocket.LibSignalChatConnection;
 import org.whispersystems.signalservice.internal.websocket.LibSignalNetworkExtensions;
+import org.whispersystems.signalservice.internal.websocket.OkHttpWebSocketConnection;
 import org.whispersystems.signalservice.internal.websocket.ShadowingWebSocketConnection;
 import org.whispersystems.signalservice.internal.websocket.WebSocketConnection;
-import org.whispersystems.signalservice.internal.websocket.LibSignalChatConnection;
-import org.whispersystems.signalservice.internal.websocket.OkHttpWebSocketConnection;
 import org.whispersystems.signalservice.internal.websocket.WebSocketShadowingBridge;
 
 import java.util.Optional;
@@ -457,6 +459,11 @@ public class ApplicationDependencyProvider implements AppDependencies.Provider {
     };
   }
 
+  @Override
+  public @NonNull GooglePlayBillingApi provideBillingApi() {
+    return GooglePlayBillingFactory.create(context);
+  }
+
   @VisibleForTesting
   static class DynamicCredentialsProvider implements CredentialsProvider {
 

app/src/main/java/org/thoughtcrime/securesms/maps/LocationRetriever.java

@@ -1,6 +1,7 @@
 package org.thoughtcrime.securesms.maps;
 
 import android.Manifest;
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.location.Location;
@@ -73,6 +74,7 @@ class LocationRetriever implements DefaultLifecycleObserver, LocationListener {
     }
   }
 
+  @SuppressLint("MissingPermission")
   @Override
   public void onStop(@NonNull LifecycleOwner owner) {
     Log.i(TAG, "Removing any possible location listeners.");

app/src/play/AndroidManifest.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION"/>
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
+    <uses-permission android:name="android.permission.UPDATE_PACKAGES_WITHOUT_USER_ACTION"/>
+
+    <application>
+        <receiver android:name=".apkupdate.ApkUpdateRefreshListener" android:exported="false">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+            </intent-filter>
+        </receiver>
+
+        <receiver android:name=".apkupdate.ApkUpdateDownloadManagerReceiver" android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.DOWNLOAD_COMPLETE"/>
+            </intent-filter>
+        </receiver>
+
+        <receiver
+            android:name=".apkupdate.ApkUpdatePackageInstallerReceiver"
+            android:exported="true" />
+
+        <receiver
+            android:name=".apkupdate.ApkUpdateNotificationReceiver"
+            android:exported="false" />
+    </application>
+</manifest>

app/src/play/java/org/thoughtcrime/securesms/billing/GooglePlayBillingFactory.kt

@@ -0,0 +1,41 @@
+package org.thoughtcrime.securesms.billing
+
+import android.content.Context
+import com.android.billingclient.api.ProductDetailsResult
+import org.signal.billing.BillingApi
+import org.signal.core.util.logging.Log
+import org.thoughtcrime.securesms.util.RemoteConfig
+
+/**
+ * Play billing factory. Returns empty implementation if message backups are not enabled.
+ */
+object GooglePlayBillingFactory {
+  @JvmStatic
+  fun create(context: Context): GooglePlayBillingApi {
+    return if (RemoteConfig.messageBackups) {
+      GooglePlayBillingApiImpl(context)
+    } else {
+      GooglePlayBillingApi.Empty
+    }
+  }
+}
+
+/**
+ * Play Store implementation
+ */
+private class GooglePlayBillingApiImpl(context: Context) : GooglePlayBillingApi {
+
+  private companion object {
+    val TAG = Log.tag(GooglePlayBillingApiImpl::class)
+  }
+
+  private val billingApi: BillingApi = BillingApi.getOrCreate(context)
+
+  override fun isApiAvailable(): Boolean = billingApi.areSubscriptionsSupported()
+
+  override suspend fun queryProducts() {
+    val products: ProductDetailsResult = billingApi.queryProducts()
+
+    Log.d(TAG, "queryProducts: ${products.billingResult.responseCode}, ${products.billingResult.debugMessage}")
+  }
+}

app/src/test/java/org/thoughtcrime/securesms/dependencies/MockApplicationDependencyProvider.java

@@ -6,6 +6,7 @@ import org.signal.core.util.concurrent.DeadlockDetector;
 import org.signal.libsignal.net.Network;
 import org.signal.libsignal.zkgroup.profiles.ClientZkProfileOperations;
 import org.signal.libsignal.zkgroup.receipts.ClientZkReceiptOperations;
+import org.thoughtcrime.securesms.billing.GooglePlayBillingApi;
 import org.thoughtcrime.securesms.components.TypingStatusRepository;
 import org.thoughtcrime.securesms.components.TypingStatusSender;
 import org.thoughtcrime.securesms.crypto.storage.SignalServiceDataStoreImpl;
@@ -238,4 +239,9 @@ public class MockApplicationDependencyProvider implements AppDependencies.Provid
   public @NonNull Network provideLibsignalNetwork(@NonNull SignalServiceConfiguration config) {
     return null;
   }
+
+  @Override
+  public @NonNull GooglePlayBillingApi provideBillingApi() {
+    return null;
+  }
 }

app/src/website/java/org/thoughtcrime/securesms/billing/GooglePlayBillingFactory.kt

@@ -0,0 +1,13 @@
+package org.thoughtcrime.securesms.billing
+
+import android.content.Context
+
+/**
+ * Website builds do not support google play billing.
+ */
+object GooglePlayBillingFactory {
+  @JvmStatic
+  fun create(context: Context): GooglePlayBillingApi {
+    return GooglePlayBillingApi.Empty
+  }
+}