Add WIU/BFSL allowlisting to MediaButtonReceiverHolder.send (70f0fa81) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/media/MediaButtonReceiverHolder.java

+44 −23

Original line number	Diff line number	Diff line
		@@ -173,35 +173,58 @@ final class MediaButtonReceiverHolder {

		/**
		* Sends the media key event to the media button receiver.
		* <p>
		* This prioritizes using use pending intent for sending media key event.
		*
		* <p>This prioritizes using use pending intent for sending media key event.
		*
		* @param context context to be used to call PendingIntent#send
		* @param keyEvent keyEvent to send
		* @param resultCode result code to be used to call PendingIntent#send
		* Ignored if there's no valid pending intent.
		* @param onFinishedListener callback to be used to get result of PendingIntent#send.
		* Ignored if there's no valid pending intent.
		* @param handler handler to be used to call onFinishedListener
		* Ignored if there's no valid pending intent.
		* @param fgsAllowlistDurationMs duration for which the media button receiver will be
		* allowed to start FGS from BG.
		* @param resultCode result code to be used to call PendingIntent#send. Ignored if there's no
		* valid pending intent.
		* @param mediaSessionService {@link MediaSessionService} triggering the event
		* @param callingPackageName package name of the caller
		* @param callingPid PID of the caller
		* @param callingUid UID of the caller
		* @param reportedPackageName package name that is reported to the receiver using {@link
		* Intent#EXTRA_PACKAGE_NAME}
		* @param onFinishedListener callback to be used to get result of PendingIntent#send. Ignored if
		* there's no valid pending intent.
		* @param handler handler to be used to call onFinishedListener. Ignored if there's no valid
		* pending intent.
		* @see PendingIntent#send(Context, int, Intent, PendingIntent.OnFinished, Handler)
		*/
		public boolean send(Context context, KeyEvent keyEvent, String callingPackageName,
		int resultCode, PendingIntent.OnFinished onFinishedListener, Handler handler,
		long fgsAllowlistDurationMs) {
		public boolean send(
		Context context,
		KeyEvent keyEvent,
		MediaSessionService mediaSessionService,
		String callingPackageName,
		int callingPid,
		int callingUid,
		String reportedPackageName,
		int resultCode,
		PendingIntent.OnFinished onFinishedListener,
		Handler handler) {
		Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
		mediaButtonIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
		mediaButtonIntent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent);
		// TODO: Find a way to also send PID/UID in secure way.
		mediaButtonIntent.putExtra(Intent.EXTRA_PACKAGE_NAME, callingPackageName);
		mediaButtonIntent.putExtra(Intent.EXTRA_PACKAGE_NAME, reportedPackageName);

		final BroadcastOptions options = BroadcastOptions.makeBasic();
		options.setTemporaryAppAllowlist(fgsAllowlistDurationMs,
		PowerWhitelistManager.TEMPORARY_ALLOWLIST_TYPE_FOREGROUND_SERVICE_ALLOWED,
		PowerWhitelistManager.REASON_MEDIA_BUTTON, "");
		options.setBackgroundActivityStartsAllowed(true);
		PackageManager packageManager = context.getPackageManager();
		try {
		int targetUid = packageManager.getPackageUidAsUser(mPackageName, mUserId);
		mediaSessionService.tempAllowlistTargetPkgIfPossible(
		targetUid,
		/* targetPackage= */ mPackageName,
		callingPid,
		callingUid,
		callingPackageName,
		/* reason= */ TAG);
		} catch (PackageManager.NameNotFoundException e) {
		// Package name doesn't exist.
		if (DEBUG_KEY_EVENT) {
		Log.d(TAG, "Can't allowlist, package " + mPackageName + "doesn't exist");
		}
		}
		if (mPendingIntent != null) {
		if (DEBUG_KEY_EVENT) {
		Log.d(TAG, "Sending " + keyEvent + " to the last known PendingIntent "
		@@ -209,8 +232,7 @@ final class MediaButtonReceiverHolder {
		}
		try {
		mPendingIntent.send(
		context, resultCode, mediaButtonIntent, onFinishedListener, handler,
		/* requiredPermission= */ null, options.toBundle());
		context, resultCode, mediaButtonIntent, onFinishedListener, handler);
		} catch (PendingIntent.CanceledException e) {
		Log.w(TAG, "Error sending key event to media button receiver " + mPendingIntent, e);
		return false;
		@@ -233,8 +255,7 @@ final class MediaButtonReceiverHolder {
		break;
		default:
		// Legacy behavior for other cases.
		context.sendBroadcastAsUser(mediaButtonIntent, userHandle,
		/* receiverPermission= */ null, options.toBundle());
		context.sendBroadcastAsUser(mediaButtonIntent, userHandle);
		}
		} catch (Exception e) {
		Log.w(TAG, "Error sending media button to the restored intent "

services/core/java/com/android/server/media/MediaSessionService.java

+13 −6

Original line number	Diff line number	Diff line
		@@ -2325,13 +2325,20 @@ public class MediaSessionService extends SystemService implements Monitor {
		if (needWakeLock) {
		mKeyEventReceiver.acquireWakeLockLocked();
		}
		String callingPackageName =
		String reportedPackageName =
		(asSystemService) ? mContext.getPackageName() : packageName;
		boolean sent = mediaButtonReceiverHolder.send(
		mContext, keyEvent, callingPackageName,
		needWakeLock ? mKeyEventReceiver.mLastTimeoutId : -1, mKeyEventReceiver,
		mHandler,
		MediaSessionDeviceConfig.getMediaButtonReceiverFgsAllowlistDurationMs());
		boolean sent =
		mediaButtonReceiverHolder.send(
		mContext,
		keyEvent,
		MediaSessionService.this,
		packageName,
		pid,
		uid,
		reportedPackageName,
		needWakeLock ? mKeyEventReceiver.mLastTimeoutId : -1,
		mKeyEventReceiver,
		mHandler);
		if (sent) {
		String pkgName = mediaButtonReceiverHolder.getPackageName();
		for (FullUserRecord.OnMediaKeyEventDispatchedListenerRecord cr