Reset permissions and app links when clearing app preferences - framework (9c8b8ab9) · Commits · e / os / android_frameworks_base

core/java/android/content/pm/IPackageManager.aidl

+1 −1

Original line number	Diff line number	Diff line
		@@ -253,7 +253,7 @@ interface IPackageManager {

		List<PackageInfo> getPreferredPackages(int flags);

		void resetPreferredActivities(int userId);
		void resetApplicationPreferences(int userId);

		ResolveInfo getLastChosenActivity(in Intent intent,
		String resolvedType, int flags);

services/core/java/com/android/server/pm/PackageManagerService.java

+45 −12

Original line number	Diff line number	Diff line
		@@ -3555,7 +3555,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		continue;
		}
		PackageSetting ps = (PackageSetting) pkg.mExtras;
		resetUserChangesToRuntimePermissionsAndFlagsLocked(ps, userId);
		resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId);
		}
		}
		}
		@@ -13090,7 +13090,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) {
		scheduleWritePackageRestrictionsLocked(removeUser);
		}
		resetUserChangesToRuntimePermissionsAndFlagsLocked(ps, removeUser);
		resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser);
		}
		return true;
		}
		@@ -13251,7 +13251,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		}

		PackageSetting ps = (PackageSetting) pkg.mExtras;
		resetUserChangesToRuntimePermissionsAndFlagsLocked(ps, userId);
		resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId);
		}

		// Always delete data directories for package, even if we found no other
		@@ -13282,13 +13282,28 @@ public class PackageManagerService extends IPackageManager.Stub {
		return true;
		}

		/**
		* Reverts user permission state changes (permissions and flags) in
		* all packages for a given user.
		*
		* @param userId The device user for which to do a reset.
		*/
		private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) {
		final int packageCount = mPackages.size();
		for (int i = 0; i < packageCount; i++) {
		PackageParser.Package pkg = mPackages.valueAt(i);
		PackageSetting ps = (PackageSetting) pkg.mExtras;
		resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId);
		}
		}

		/**
		* Reverts user permission state changes (permissions and flags).
		*
		* @param ps The package for which to reset.
		* @param userId The device user for which to do a reset.
		*/
		private void resetUserChangesToRuntimePermissionsAndFlagsLocked(
		private void resetUserChangesToRuntimePermissionsAndFlagsLPw(
		final PackageSetting ps, final int userId) {
		if (ps.pkg == null) {
		return;
		@@ -13787,6 +13802,15 @@ public class PackageManagerService extends IPackageManager.Stub {
		return changed;
		}

		/** This method takes a specific user id as well as UserHandle.USER_ALL. */
		private void clearIntentFilterVerificationsLPw(int userId) {
		final int packageCount = mPackages.size();
		for (int i = 0; i < packageCount; i++) {
		PackageParser.Package pkg = mPackages.valueAt(i);
		clearIntentFilterVerificationsLPw(pkg.packageName, userId);
		}
		}

		/** This method takes a specific user id as well as UserHandle.USER_ALL. */
		void clearIntentFilterVerificationsLPw(String packageName, int userId) {
		if (userId == UserHandle.USER_ALL) {
		@@ -13803,7 +13827,6 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}


		void clearDefaultBrowserIfNeeded(String packageName) {
		for (int oneUserId : sUserManager.getUserIds()) {
		String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId);
		@@ -13815,17 +13838,27 @@ public class PackageManagerService extends IPackageManager.Stub {
		}

		@Override
		public void resetPreferredActivities(int userId) {
		public void resetApplicationPreferences(int userId) {
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
		// writer
		synchronized (mPackages) {
		final long identity = Binder.clearCallingIdentity();
		try {
		clearPackagePreferredActivitiesLPw(null, userId);
		mSettings.applyDefaultPreferredAppsLPw(this, userId);
		// TODO: We have to reset the default SMS and Phone. This requires
		// significant refactoring to keep all default apps in the package
		// manager (cleaner but more work) or have the services provide
		// callbacks to the package manager to request a default app reset.
		applyFactoryDefaultBrowserLPw(userId);
		clearIntentFilterVerificationsLPw(userId);
		primeDomainVerificationsLPw(userId);

		resetUserChangesToRuntimePermissionsAndFlagsLPw(userId);
		scheduleWritePackageRestrictionsLocked(userId);
		} finally {
		Binder.restoreCallingIdentity(identity);
		}
		}
		}