Change targetsdk to 14 (#4063)

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Task/Issue URL:
https://app.asana.com/0/488551667048375/1206318340789538/f

### Description
See attached task description

### Steps to test this PR
Smoke test app

app-tracking-protection/vpn-impl/src/main/AndroidManifest.xml

@@ -3,6 +3,9 @@
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SYSTEM_EXEMPTED" />
+
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <application
         android:largeHeap="true"
@@ -80,6 +83,7 @@
         <service
             android:name=".service.TrackerBlockingVpnService"
             android:exported="false"
+            android:foregroundServiceType="systemExempted"
             android:permission="android.permission.BIND_VPN_SERVICE"
             android:process=":vpn">
             <intent-filter>

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/apps/NewAppBroadcastReceiver.kt

@@ -23,6 +23,7 @@ import android.content.IntentFilter
 import androidx.annotation.MainThread
 import androidx.annotation.WorkerThread
 import com.duckduckgo.common.utils.DispatcherProvider
+import com.duckduckgo.common.utils.extensions.registerExportedReceiver
 import com.duckduckgo.di.scopes.AppScope
 import com.duckduckgo.di.scopes.VpnScope
 import com.duckduckgo.mobile.android.vpn.AppTpVpnFeature
@@ -81,7 +82,7 @@ class NewAppBroadcastReceiver @Inject constructor(
             addAction(Intent.ACTION_PACKAGE_ADDED)
             addDataScheme("package")
         }.run {
-            applicationContext.registerReceiver(this@NewAppBroadcastReceiver, this)
+            applicationContext.registerExportedReceiver(this@NewAppBroadcastReceiver, this)
         }
     }
 

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/debug/DeviceShieldNotificationsDebugReceiver.kt

@@ -26,6 +26,8 @@ import com.duckduckgo.app.di.AppCoroutineScope
 import com.duckduckgo.app.lifecycle.MainProcessLifecycleObserver
 import com.duckduckgo.appbuildconfig.api.AppBuildConfig
 import com.duckduckgo.common.utils.DispatcherProvider
+import com.duckduckgo.common.utils.extensions.registerNotExportedReceiver
+import com.duckduckgo.common.utils.notification.checkPermissionAndNotify
 import com.duckduckgo.di.scopes.AppScope
 import com.duckduckgo.mobile.android.vpn.ui.notification.*
 import com.squareup.anvil.annotations.ContributesMultibinding
@@ -49,7 +51,7 @@ class DeviceShieldNotificationsDebugReceiver(
 ) : BroadcastReceiver() {
 
     init {
-        context.registerReceiver(this, IntentFilter(intentAction))
+        context.registerNotExportedReceiver(this, IntentFilter(intentAction))
     }
 
     override fun onReceive(
@@ -116,7 +118,7 @@ class DeviceShieldNotificationsDebugReceiverRegister @Inject constructor(
                 }
 
                 notification?.let {
-                    notificationManagerCompat.notify(DeviceShieldNotificationScheduler.VPN_WEEKLY_NOTIFICATION_ID, it)
+                    notificationManagerCompat.checkPermissionAndNotify(context, DeviceShieldNotificationScheduler.VPN_WEEKLY_NOTIFICATION_ID, it)
                 }
             }
         }

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/debug/SendTrackerDebugReceiver.kt

@@ -22,6 +22,7 @@ import android.content.Intent
 import android.content.IntentFilter
 import com.duckduckgo.appbuildconfig.api.AppBuildConfig
 import com.duckduckgo.common.utils.DispatcherProvider
+import com.duckduckgo.common.utils.extensions.registerNotExportedReceiver
 import com.duckduckgo.common.utils.formatters.time.DatabaseDateFormatter
 import com.duckduckgo.di.scopes.VpnScope
 import com.duckduckgo.mobile.android.vpn.model.TrackingApp
@@ -66,7 +67,7 @@ class SendTrackerDebugReceiver @Inject constructor(
         }
 
         logcat { "Debug receiver SendTrackerDebugReceiver registered" }
-        context.registerReceiver(this, IntentFilter(INTENT_ACTION))
+        context.registerNotExportedReceiver(this, IntentFilter(INTENT_ACTION))
     }
 
     private fun unregister() {

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/service/RestartReceiver.kt

@@ -24,6 +24,7 @@ import com.duckduckgo.app.di.AppCoroutineScope
 import com.duckduckgo.appbuildconfig.api.AppBuildConfig
 import com.duckduckgo.appbuildconfig.api.isInternalBuild
 import com.duckduckgo.common.utils.DispatcherProvider
+import com.duckduckgo.common.utils.extensions.registerNotExportedReceiver
 import com.duckduckgo.di.scopes.VpnScope
 import com.duckduckgo.mobile.android.vpn.state.VpnStateMonitor
 import com.squareup.anvil.annotations.ContributesMultibinding
@@ -56,7 +57,7 @@ class RestartReceiver @Inject constructor(
         if (appBuildConfig.isInternalBuild()) {
             logcat { "Starting vpn-service receiver" }
             unregister()
-            context.registerReceiver(this, IntentFilter("vpn-service"))
+            context.registerNotExportedReceiver(this, IntentFilter("vpn-service"))
         }
     }
 

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/service/VpnReminderReceiverManager.kt

@@ -16,8 +16,11 @@
 
 package com.duckduckgo.mobile.android.vpn.service
 
+import android.Manifest.permission
 import android.content.Context
 import android.content.SharedPreferences
+import android.content.pm.PackageManager
+import androidx.core.app.ActivityCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.content.edit
 import com.duckduckgo.common.utils.plugins.PluginPoint
@@ -50,18 +53,20 @@ class AndroidVpnReminderReceiverManager @Inject constructor(
             logcat { "Vpn is already running, nothing to show" }
         } else {
             logcat { "Vpn is not running, showing reminder notification" }
-            val notification = vpnReminderNotificationContentPluginPoint.getHighestPriorityPluginForType(DISABLED)?.getContent()?.let { content ->
-                val actualContent = if (wasReminderNotificationShown()) {
-                    content.copy(true)
-                } else {
-                    notificationWasShown()
-                    content.copy(false)
+            if (ActivityCompat.checkSelfPermission(context, permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED) {
+                val notification = vpnReminderNotificationContentPluginPoint.getHighestPriorityPluginForType(DISABLED)?.getContent()?.let { content ->
+                    val actualContent = if (wasReminderNotificationShown()) {
+                        content.copy(true)
+                    } else {
+                        notificationWasShown()
+                        content.copy(false)
+                    }
+                    vpnReminderNotificationBuilder.buildReminderNotification(actualContent)
+                }
+                if (notification != null) {
+                    deviceShieldPixels.didShowReminderNotification()
+                    notificationManager.notify(TrackerBlockingVpnService.VPN_REMINDER_NOTIFICATION_ID, notification)
                 }
-                vpnReminderNotificationBuilder.buildReminderNotification(actualContent)
-            }
-            if (notification != null) {
-                deviceShieldPixels.didShowReminderNotification()
-                notificationManager.notify(TrackerBlockingVpnService.VPN_REMINDER_NOTIFICATION_ID, notification)
             }
         }
     }

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/service/VpnTrackerNotificationUpdates.kt

@@ -20,6 +20,7 @@ import android.content.Context
 import androidx.core.app.NotificationManagerCompat
 import com.duckduckgo.common.utils.ConflatedJob
 import com.duckduckgo.common.utils.DispatcherProvider
+import com.duckduckgo.common.utils.notification.checkPermissionAndNotify
 import com.duckduckgo.common.utils.plugins.PluginPoint
 import com.duckduckgo.di.scopes.VpnScope
 import com.duckduckgo.mobile.android.vpn.state.VpnStateMonitor.VpnStopReason
@@ -71,6 +72,6 @@ class VpnTrackerNotificationUpdates @Inject constructor(
         vpnNotification: VpnEnabledNotificationContentPlugin.VpnEnabledNotificationContent,
     ) {
         val notification = VpnEnabledNotificationBuilder.buildVpnEnabledUpdateNotification(context, vpnNotification)
-        notificationManager.notify(TrackerBlockingVpnService.VPN_FOREGROUND_SERVICE_ID, notification)
+        notificationManager.checkPermissionAndNotify(context, TrackerBlockingVpnService.VPN_FOREGROUND_SERVICE_ID, notification)
     }
 }

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/ui/alwayson/AlwaysOnLockDownDetector.kt

@@ -22,6 +22,7 @@ import android.text.SpannableStringBuilder
 import androidx.core.app.NotificationManagerCompat
 import com.duckduckgo.common.utils.ConflatedJob
 import com.duckduckgo.common.utils.DispatcherProvider
+import com.duckduckgo.common.utils.notification.checkPermissionAndNotify
 import com.duckduckgo.di.scopes.VpnScope
 import com.duckduckgo.mobile.android.app.tracking.AppTrackingProtection
 import com.duckduckgo.mobile.android.app.tracking.ui.AppTrackingProtectionScreens.AppTrackerActivityWithEmptyParams
@@ -95,7 +96,7 @@ class AlwaysOnLockDownDetector @Inject constructor(
             notification,
             intent,
         ).also {
-            notificationManagerCompat.notify(notificationId, it)
+            notificationManagerCompat.checkPermissionAndNotify(context, notificationId, it)
         }
     }
 

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/ui/notification/AppTPReminderNotificationScheduler.kt

@@ -26,6 +26,7 @@ import androidx.work.OneTimeWorkRequestBuilder
 import androidx.work.PeriodicWorkRequestBuilder
 import androidx.work.WorkManager
 import com.duckduckgo.common.utils.DispatcherProvider
+import com.duckduckgo.common.utils.notification.checkPermissionAndNotify
 import com.duckduckgo.common.utils.plugins.PluginPoint
 import com.duckduckgo.di.scopes.VpnScope
 import com.duckduckgo.mobile.android.app.tracking.AppTrackingProtection
@@ -179,7 +180,8 @@ class AppTPReminderNotificationScheduler @Inject constructor(
         vpnReminderNotificationContentPluginPoint.getHighestPriorityPluginForType(DISABLED)?.let {
             it.getContent()?.let { content ->
                 logcat { "Showing disabled notification from $it" }
-                notificationManager.notify(
+                notificationManager.checkPermissionAndNotify(
+                    context,
                     TrackerBlockingVpnService.VPN_REMINDER_NOTIFICATION_ID,
                     vpnReminderNotificationBuilder.buildReminderNotification(content),
                 )
@@ -191,7 +193,8 @@ class AppTPReminderNotificationScheduler @Inject constructor(
         vpnReminderNotificationContentPluginPoint.getHighestPriorityPluginForType(REVOKED)?.let {
             it.getContent()?.let { content ->
                 logcat { "Showing revoked notification from $it" }
-                notificationManager.notify(
+                notificationManager.checkPermissionAndNotify(
+                    context,
                     TrackerBlockingVpnService.VPN_REMINDER_NOTIFICATION_ID,
                     vpnReminderNotificationBuilder.buildReminderNotification(content),
                 )

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/ui/notification/DeviceShieldNotificationScheduler.kt

@@ -16,7 +16,10 @@
 
 package com.duckduckgo.mobile.android.vpn.ui.notification
 
+import android.Manifest.permission
 import android.content.Context
+import android.content.pm.PackageManager
+import androidx.core.app.ActivityCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.lifecycle.LifecycleOwner
 import androidx.work.*
@@ -185,18 +188,20 @@ class DeviceShieldDailyNotificationWorker(
     }
 
     private suspend fun showNotification() {
-        val deviceShieldNotification = deviceShieldNotificationFactory.createDailyDeviceShieldNotification().also {
-            notificationPressedHandler.notificationVariant = it.notificationVariant
-        }
+        if (ActivityCompat.checkSelfPermission(context, permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED) {
+            val deviceShieldNotification = deviceShieldNotificationFactory.createDailyDeviceShieldNotification().also {
+                notificationPressedHandler.notificationVariant = it.notificationVariant
+            }
 
-        if (!deviceShieldNotification.hidden) {
-            val notification =
-                deviceShieldAlertNotificationBuilder.buildStatusNotification(context, deviceShieldNotification, notificationPressedHandler)
-            deviceShieldPixels.didShowDailyNotification(deviceShieldNotification.notificationVariant)
-            notificationManager.notify(DeviceShieldNotificationScheduler.VPN_DAILY_NOTIFICATION_ID, notification)
-            logcat { "Vpn Daily notification is now shown" }
-        } else {
-            logcat { "Vpn Daily notification won't be shown because there is no data to show" }
+            if (!deviceShieldNotification.hidden) {
+                val notification =
+                    deviceShieldAlertNotificationBuilder.buildStatusNotification(context, deviceShieldNotification, notificationPressedHandler)
+                deviceShieldPixels.didShowDailyNotification(deviceShieldNotification.notificationVariant)
+                notificationManager.notify(DeviceShieldNotificationScheduler.VPN_DAILY_NOTIFICATION_ID, notification)
+                logcat { "Vpn Daily notification is now shown" }
+            } else {
+                logcat { "Vpn Daily notification won't be shown because there is no data to show" }
+            }
         }
     }
 }
@@ -223,20 +228,21 @@ class DeviceShieldWeeklyNotificationWorker(
 
     override suspend fun doWork(): Result {
         logcat { "Vpn Weekly notification worker is now awake" }
+        if (ActivityCompat.checkSelfPermission(context, permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED) {
+            val deviceShieldNotification = deviceShieldNotificationFactory.createWeeklyDeviceShieldNotification().also {
+                notificationPressedHandler.notificationVariant = it.notificationVariant
+            }
 
-        val deviceShieldNotification = deviceShieldNotificationFactory.createWeeklyDeviceShieldNotification().also {
-            notificationPressedHandler.notificationVariant = it.notificationVariant
-        }
-
-        if (!deviceShieldNotification.hidden) {
-            logcat { "Vpn Daily notification won't be shown because there is no data to show" }
-            val notification = deviceShieldAlertNotificationBuilder.buildStatusNotification(
-                context,
-                deviceShieldNotification,
-                notificationPressedHandler,
-            )
-            deviceShieldPixels.didShowWeeklyNotification(deviceShieldNotification.notificationVariant)
-            notificationManager.notify(Companion.VPN_WEEKLY_NOTIFICATION_ID, notification)
+            if (!deviceShieldNotification.hidden) {
+                logcat { "Vpn Daily notification won't be shown because there is no data to show" }
+                val notification = deviceShieldAlertNotificationBuilder.buildStatusNotification(
+                    context,
+                    deviceShieldNotification,
+                    notificationPressedHandler,
+                )
+                deviceShieldPixels.didShowWeeklyNotification(deviceShieldNotification.notificationVariant)
+                notificationManager.notify(Companion.VPN_WEEKLY_NOTIFICATION_ID, notification)
+            }
         }
 
         return Result.success()

app-tracking-protection/vpn-impl/src/test/java/com/duckduckgo/mobile/android/vpn/service/RestartReceiverTest.kt

@@ -56,7 +56,7 @@ class RestartReceiverTest {
         receiver.onVpnStarted(coroutineRule.testScope)
 
         verify(context).unregisterReceiver(any())
-        verify(context).registerReceiver(any(), any())
+        verify(context).registerReceiver(any(), any(), isNull(), isNull(), any())
     }
 
     @Test
@@ -66,7 +66,7 @@ class RestartReceiverTest {
         receiver.onVpnStarted(coroutineRule.testScope)
 
         verify(context, never()).unregisterReceiver(any())
-        verify(context, never()).registerReceiver(any(), any())
+        verify(context, never()).registerReceiver(any(), any(), isNull(), isNull(), any())
     }
 
     @Test
@@ -76,7 +76,7 @@ class RestartReceiverTest {
         receiver.onVpnStopped(coroutineRule.testScope, VpnStateMonitor.VpnStopReason.SELF_STOP())
 
         verify(context).unregisterReceiver(any())
-        verify(context, never()).registerReceiver(any(), any())
+        verify(context, never()).registerReceiver(any(), any(), isNull(), isNull(), any())
     }
 
     @Test
@@ -86,6 +86,6 @@ class RestartReceiverTest {
         receiver.onVpnStopped(coroutineRule.testScope, VpnStateMonitor.VpnStopReason.SELF_STOP())
 
         verify(context).unregisterReceiver(any())
-        verify(context, never()).registerReceiver(any(), any())
+        verify(context, never()).registerReceiver(any(), any(), isNull(), isNull(), any())
     }
 }

app-tracking-protection/vpn-internal/src/main/java/com/duckduckgo/vpn/internal/feature/InternalFeatureReceiver.kt

@@ -20,6 +20,7 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
+import com.duckduckgo.common.utils.extensions.registerNotExportedReceiver
 
 /**
  * Abstract class to create generic receivers for internal features accessible through
@@ -44,7 +45,7 @@ abstract class InternalFeatureReceiver(
 
     fun register() {
         unregister()
-        context.registerReceiver(this, IntentFilter(intentAction()))
+        context.registerNotExportedReceiver(this, IntentFilter(intentAction()))
     }
 
     fun unregister() {

app-tracking-protection/vpn-internal/src/main/java/com/duckduckgo/vpn/internal/feature/rules/ExceptionRulesDebugReceiver.kt

@@ -21,6 +21,7 @@ import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
 import com.duckduckgo.common.utils.DispatcherProvider
+import com.duckduckgo.common.utils.extensions.registerNotExportedReceiver
 import com.duckduckgo.di.scopes.VpnScope
 import com.duckduckgo.mobile.android.vpn.service.VpnServiceCallbacks
 import com.duckduckgo.mobile.android.vpn.state.VpnStateMonitor.VpnStopReason
@@ -48,7 +49,7 @@ class ExceptionRulesDebugReceiver(
 
     init {
         kotlin.runCatching { context.unregisterReceiver(this) }
-        context.registerReceiver(this, IntentFilter(intentAction))
+        context.registerNotExportedReceiver(this, IntentFilter(intentAction))
     }
 
     override fun onReceive(

app/src/internal/java/com/duckduckgo/app/dev/settings/privacy/TrackerDataDevReceiver.kt

@@ -26,6 +26,7 @@ import androidx.lifecycle.LifecycleOwner
 import com.duckduckgo.app.lifecycle.MainProcessLifecycleObserver
 import com.duckduckgo.app.trackerdetection.api.TrackerDataDownloader
 import com.duckduckgo.appbuildconfig.api.AppBuildConfig
+import com.duckduckgo.common.utils.extensions.registerNotExportedReceiver
 import com.duckduckgo.di.scopes.AppScope
 import com.squareup.anvil.annotations.ContributesMultibinding
 import io.reactivex.android.schedulers.AndroidSchedulers
@@ -39,7 +40,7 @@ class TrackerDataDevReceiver(
     private val receiver: (Intent) -> Unit,
 ) : BroadcastReceiver() {
     init {
-        context.registerReceiver(this, IntentFilter(intentAction))
+        context.registerNotExportedReceiver(this, IntentFilter(intentAction))
     }
 
     override fun onReceive(

app/src/main/java/com/duckduckgo/app/notification/AppNotificationSender.kt

@@ -22,6 +22,7 @@ import com.duckduckgo.app.notification.db.NotificationDao
 import com.duckduckgo.app.notification.model.Notification
 import com.duckduckgo.app.notification.model.SchedulableNotification
 import com.duckduckgo.app.notification.model.SchedulableNotificationPlugin
+import com.duckduckgo.common.utils.notification.checkPermissionAndNotify
 import com.duckduckgo.common.utils.plugins.PluginPoint
 import timber.log.Timber
 
@@ -54,7 +55,7 @@ class AppNotificationSender(
         val cancelIntent = NotificationHandlerService.pendingCancelNotificationHandlerIntent(context, notification.javaClass)
         val systemNotification = factory.createNotification(specification, launchIntent, cancelIntent)
         notificationDao.insert(Notification(notification.id))
-        manager.notify(specification.systemId, systemNotification)
+        manager.checkPermissionAndNotify(context, specification.systemId, systemNotification)
 
         notificationPlugin.onNotificationShown()
     }

app/src/main/java/com/duckduckgo/app/widget/WidgetAddedReceiver.kt

@@ -26,6 +26,7 @@ import androidx.lifecycle.LifecycleOwner
 import com.duckduckgo.app.browser.R
 import com.duckduckgo.app.lifecycle.MainProcessLifecycleObserver
 import com.duckduckgo.app.widget.AppWidgetManagerAddWidgetLauncher.Companion.ACTION_ADD_WIDGET
+import com.duckduckgo.common.utils.extensions.registerNotExportedReceiver
 import com.duckduckgo.di.scopes.AppScope
 import com.squareup.anvil.annotations.ContributesMultibinding
 import dagger.SingleInstanceIn
@@ -46,7 +47,7 @@ class WidgetAddedReceiver @Inject constructor(
 
     override fun onCreate(owner: LifecycleOwner) {
         super.onCreate(owner)
-        context.registerReceiver(this, IntentFilter(ACTION_ADD_WIDGET))
+        context.registerNotExportedReceiver(this, IntentFilter(ACTION_ADD_WIDGET))
     }
 
     override fun onDestroy(owner: LifecycleOwner) {