Add a flag check in AppOpsManager to enable full stacktrace (23080b5b) · Commits · e / os / android_frameworks_base

core/java/android/app/AppOpsManager.java

+35 −1

Original line number	Diff line number	Diff line
		@@ -56,6 +56,7 @@ import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.os.SystemClock;
		import android.os.UserManager;
		import android.provider.DeviceConfig;
		import android.provider.Settings;
		import android.util.ArrayMap;
		import android.util.ArraySet;
		@@ -200,9 +201,12 @@ public class AppOpsManager {
		@EnabledAfter(targetSdkVersion = Build.VERSION_CODES.R)
		public static final long SECURITY_EXCEPTION_ON_INVALID_ATTRIBUTION_TAG_CHANGE = 151105954L;

		private static final String FULL_LOG = "privacy_attribution_tag_full_log_enabled";

		private static final int MAX_UNFORWARDED_OPS = 10;

		private static Boolean sFullLog = null;

		final Context mContext;

		@UnsupportedAppUsage
		@@ -6972,6 +6976,26 @@ public class AppOpsManager {
		AppOpsManager(Context context, IAppOpsService service) {
		mContext = context;
		mService = service;

		if (mContext != null) {
		final PackageManager pm = mContext.getPackageManager();
		try {
		if (pm != null && pm.checkPermission(Manifest.permission.READ_DEVICE_CONFIG,
		mContext.getPackageName()) == PackageManager.PERMISSION_GRANTED) {
		DeviceConfig.addOnPropertiesChangedListener(DeviceConfig.NAMESPACE_PRIVACY,
		mContext.getMainExecutor(), properties -> {
		if (properties.getKeyset().contains(FULL_LOG)) {
		sFullLog = properties.getBoolean(FULL_LOG, false);
		}
		});
		return;
		}
		} catch (Exception e) {
		// This manager was made before DeviceConfig is ready, so it's a low-level
		// system app. We likely don't care about its logs.
		}
		}
		sFullLog = false;
		}

		/**
		@@ -9110,10 +9134,20 @@ public class AppOpsManager {

		StringBuilder sb = new StringBuilder();
		for (int i = firstInteresting; i <= lastInteresting; i++) {
		if (sFullLog == null) {
		try {
		sFullLog = DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_PRIVACY,
		FULL_LOG, false);
		} catch (SecurityException e) {
		// This should not happen, but it may, in rare cases
		sFullLog = false;
		}
		}

		if (i != firstInteresting) {
		sb.append('\n');
		}
		if (sb.length() + trace[i].toString().length() > 600) {
		if (!sFullLog && sb.length() + trace[i].toString().length() > 600) {
		break;
		}
		sb.append(trace[i]);