Filter instant app content providers (c06c0306) · Commits · e / os / android_frameworks_base

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

+133 −14

Original line number	Diff line number	Diff line
		@@ -7094,17 +7094,23 @@ public class PackageManagerService extends IPackageManager.Stub {
		// used when either 1) the service is in an instant application and the
		// caller is not the same instant application or 2) the calling package is
		// ephemeral and the activity is not visible to ephemeral applications.
		final boolean matchInstantApp =
		(flags & PackageManager.MATCH_INSTANT) != 0;
		final boolean matchVisibleToInstantAppOnly =
		(flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0;
		final boolean isCallerInstantApp =
		instantAppPkgName != null;
		final boolean isTargetSameInstantApp =
		comp.getPackageName().equals(instantAppPkgName);
		final boolean isTargetInstantApp =
		(si.applicationInfo.privateFlags
		& ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0;
		final boolean isTargetHiddenFromInstantApp =
		(si.flags & ServiceInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0;
		final boolean blockResolution =
		!isTargetSameInstantApp
		&& ((matchVisibleToInstantAppOnly && isCallerInstantApp
		&& ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp)
		\|\| (matchVisibleToInstantAppOnly && isCallerInstantApp
		&& isTargetHiddenFromInstantApp));
		if (!blockResolution) {
		final ResolveInfo ri = new ResolveInfo();
		@@ -7191,6 +7197,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		Intent intent, String resolvedType, int flags, int userId) {
		if (!sUserManager.exists(userId)) return Collections.emptyList();
		final int callingUid = Binder.getCallingUid();
		final String instantAppPkgName = getInstantAppPackageName(callingUid);
		flags = updateFlagsForResolve(flags, userId, intent, callingUid,
		false /includeInstantApps/);
		ComponentName comp = intent.getComponent();
		@@ -7204,10 +7211,34 @@ public class PackageManagerService extends IPackageManager.Stub {
		final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
		final ProviderInfo pi = getProviderInfo(comp, flags, userId);
		if (pi != null) {
		// When specifying an explicit component, we prevent the provider from being
		// used when either 1) the provider is in an instant application and the
		// caller is not the same instant application or 2) the calling package is an
		// instant application and the provider is not visible to instant applications.
		final boolean matchInstantApp =
		(flags & PackageManager.MATCH_INSTANT) != 0;
		final boolean matchVisibleToInstantAppOnly =
		(flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0;
		final boolean isCallerInstantApp =
		instantAppPkgName != null;
		final boolean isTargetSameInstantApp =
		comp.getPackageName().equals(instantAppPkgName);
		final boolean isTargetInstantApp =
		(pi.applicationInfo.privateFlags
		& ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0;
		final boolean isTargetHiddenFromInstantApp =
		(pi.flags & ProviderInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0;
		final boolean blockResolution =
		!isTargetSameInstantApp
		&& ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp)
		\|\| (matchVisibleToInstantAppOnly && isCallerInstantApp
		&& isTargetHiddenFromInstantApp));
		if (!blockResolution) {
		final ResolveInfo ri = new ResolveInfo();
		ri.providerInfo = pi;
		list.add(ri);
		}
		}
		return list;
		}

		@@ -7215,17 +7246,67 @@ public class PackageManagerService extends IPackageManager.Stub {
		synchronized (mPackages) {
		String pkgName = intent.getPackage();
		if (pkgName == null) {
		return mProviders.queryIntent(intent, resolvedType, flags, userId);
		return applyPostContentProviderResolutionFilter(
		mProviders.queryIntent(intent, resolvedType, flags, userId),
		instantAppPkgName);
		}
		final PackageParser.Package pkg = mPackages.get(pkgName);
		if (pkg != null) {
		return mProviders.queryIntentForPackage(
		intent, resolvedType, flags, pkg.providers, userId);
		return applyPostContentProviderResolutionFilter(
		mProviders.queryIntentForPackage(
		intent, resolvedType, flags, pkg.providers, userId),
		instantAppPkgName);
		}
		return Collections.emptyList();
		}
		}

		private List<ResolveInfo> applyPostContentProviderResolutionFilter(
		List<ResolveInfo> resolveInfos, String instantAppPkgName) {
		// TODO: When adding on-demand split support for non-instant applications, remove
		// this check and always apply post filtering
		if (instantAppPkgName == null) {
		return resolveInfos;
		}
		for (int i = resolveInfos.size() - 1; i >= 0; i--) {
		final ResolveInfo info = resolveInfos.get(i);
		final boolean isEphemeralApp = info.providerInfo.applicationInfo.isInstantApp();
		// allow providers that are defined in the provided package
		if (isEphemeralApp && instantAppPkgName.equals(info.providerInfo.packageName)) {
		if (info.providerInfo.splitName != null
		&& !ArrayUtils.contains(info.providerInfo.applicationInfo.splitNames,
		info.providerInfo.splitName)) {
		// requested provider is defined in a split that hasn't been installed yet.
		// add the installer to the resolve list
		if (DEBUG_EPHEMERAL) {
		Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list");
		}
		final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo);
		installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo(
		info.providerInfo.packageName, info.providerInfo.splitName,
		info.providerInfo.applicationInfo.versionCode);
		// make sure this resolver is the default
		installerInfo.isDefault = true;
		installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART
		\| IntentFilter.MATCH_ADJUSTMENT_NORMAL;
		// add a non-generic filter
		installerInfo.filter = new IntentFilter();
		// load resources from the correct package
		installerInfo.resolvePackageName = info.getComponentInfo().packageName;
		resolveInfos.set(i, installerInfo);
		}
		continue;
		}
		// allow providers that have been explicitly exposed to instant applications
		if (!isEphemeralApp
		&& ((info.providerInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) {
		continue;
		}
		resolveInfos.remove(i);
		}
		return resolveInfos;
		}

		@Override
		public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
		if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList();
		@@ -7557,17 +7638,38 @@ public class PackageManagerService extends IPackageManager.Stub {
		public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
		if (!sUserManager.exists(userId)) return null;
		flags = updateFlagsForComponent(flags, userId, name);
		final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid());
		// reader
		synchronized (mPackages) {
		final PackageParser.Provider provider = mProvidersByAuthority.get(name);
		PackageSetting ps = provider != null
		? mSettings.mPackages.get(provider.owner.packageName)
		: null;
		return ps != null
		&& mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)
		? PackageParser.generateProviderInfo(provider, flags,
		ps.readUserState(userId), userId)
		: null;
		if (ps != null) {
		final boolean isInstantApp = ps.getInstantApp(userId);
		// normal application; filter out instant application provider
		if (instantAppPkgName == null && isInstantApp) {
		return null;
		}
		// instant application; filter out other instant applications
		if (instantAppPkgName != null
		&& isInstantApp
		&& !provider.owner.packageName.equals(instantAppPkgName)) {
		return null;
		}
		// instant application; filter out non-exposed provider
		if (instantAppPkgName != null
		&& (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0) {
		return null;
		}
		// provider not enabled
		if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) {
		return null;
		}
		return PackageParser.generateProviderInfo(
		provider, flags, ps.readUserState(userId), userId);
		}
		return null;
		}
		}

		@@ -12772,8 +12874,26 @@ public class PackageManagerService extends IPackageManager.Stub {
		if (ps == null) {
		return null;
		}
		final PackageUserState userState = ps.readUserState(userId);
		final boolean matchVisibleToInstantApp =
		(mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0;
		final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0;
		// throw out filters that aren't visible to instant applications
		if (matchVisibleToInstantApp
		&& !(info.isVisibleToInstantApp() \|\| userState.instantApp)) {
		return null;
		}
		// throw out instant application filters if we're not explicitly requesting them
		if (!isInstantApp && userState.instantApp) {
		return null;
		}
		// throw out instant application filters if updates are available; will trigger
		// instant application resolution
		if (userState.instantApp && ps.isUpdateAvailable()) {
		return null;
		}
		ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
		ps.readUserState(userId), userId);
		userState, userId);
		if (pi == null) {
		return null;
		}
		@@ -23338,7 +23458,6 @@ Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName());
		intent, resolvedType, flags, userId, callingUid, true /includeInstantApps/);
		}


		@Override
		public void addIsolatedUid(int isolatedUid, int ownerUid) {
		synchronized (mPackages) {