| /** |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.scopedstorage.cts.lib; |
| |
| import static android.scopedstorage.cts.lib.RedactionTestHelper.EXIF_METADATA_QUERY; |
| |
| import static androidx.test.InstrumentationRegistry.getContext; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.junit.Assert.fail; |
| |
| import android.Manifest; |
| import android.app.ActivityManager; |
| import android.app.AppOpsManager; |
| import android.app.UiAutomation; |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.ContentUris; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.Environment; |
| import android.os.ParcelFileDescriptor; |
| import android.os.SystemClock; |
| import android.provider.MediaStore; |
| import android.system.ErrnoException; |
| import android.system.Os; |
| import android.system.OsConstants; |
| import android.util.Log; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.test.InstrumentationRegistry; |
| |
| import com.android.cts.install.lib.Install; |
| import com.android.cts.install.lib.InstallUtils; |
| import com.android.cts.install.lib.TestApp; |
| import com.android.cts.install.lib.Uninstall; |
| |
| import com.google.common.io.ByteStreams; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| import java.util.function.Supplier; |
| |
| /** |
| * General helper functions for ScopedStorageTest tests. |
| */ |
| public class TestUtils { |
| static final String TAG = "ScopedStorageTest"; |
| |
| public static final String QUERY_TYPE = "android.scopedstorage.cts.queryType"; |
| public static final String INTENT_EXTRA_PATH = "android.scopedstorage.cts.path"; |
| public static final String INTENT_EXCEPTION = "android.scopedstorage.cts.exception"; |
| public static final String CREATE_FILE_QUERY = "android.scopedstorage.cts.createfile"; |
| public static final String DELETE_FILE_QUERY = "android.scopedstorage.cts.deletefile"; |
| public static final String OPEN_FILE_FOR_READ_QUERY = "android.scopedstorage.cts.openfile_read"; |
| public static final String OPEN_FILE_FOR_WRITE_QUERY = |
| "android.scopedstorage.cts.openfile_write"; |
| public static final String CAN_READ_WRITE_QUERY = |
| "android.scopedstorage.cts.can_read_and_write"; |
| public static final String READDIR_QUERY = "android.scopedstorage.cts.readdir"; |
| |
| public static final String STR_DATA1 = "Just some random text"; |
| public static final String STR_DATA2 = "More arbitrary stuff"; |
| |
| public static final byte[] BYTES_DATA1 = STR_DATA1.getBytes(); |
| public static final byte[] BYTES_DATA2 = STR_DATA2.getBytes(); |
| |
| // Root of external storage |
| private static File sExternalStorageDirectory = Environment.getExternalStorageDirectory(); |
| |
| private static final long POLLING_TIMEOUT_MILLIS = TimeUnit.SECONDS.toMillis(10); |
| private static final long POLLING_SLEEP_MILLIS = 100; |
| |
| /** |
| * Creates the top level default directories. |
| * |
| * <p>Those are usually created by MediaProvider, but some naughty tests might delete them |
| * and not restore them afterwards, so we make sure we create them before we make any |
| * assumptions about their existence. |
| */ |
| public static void setupDefaultDirectories() { |
| for (File dir : getDefaultTopLevelDirs()) { |
| dir.mkdir(); |
| } |
| } |
| |
| /** |
| * Grants {@link Manifest.permission#GRANT_RUNTIME_PERMISSIONS} to the given package. |
| */ |
| public static void grantPermission(String packageName, String permission) { |
| UiAutomation uiAutomation = InstrumentationRegistry.getInstrumentation().getUiAutomation(); |
| uiAutomation.adoptShellPermissionIdentity("android.permission.GRANT_RUNTIME_PERMISSIONS"); |
| try { |
| uiAutomation.grantRuntimePermission(packageName, permission); |
| // Wait for OP_READ_EXTERNAL_STORAGE to get updated. |
| SystemClock.sleep(1000); |
| } finally { |
| uiAutomation.dropShellPermissionIdentity(); |
| } |
| } |
| |
| /** |
| * Revokes permissions from the given package. |
| */ |
| public static void revokePermission(String packageName, String permission) { |
| UiAutomation uiAutomation = InstrumentationRegistry.getInstrumentation().getUiAutomation(); |
| uiAutomation.adoptShellPermissionIdentity("android.permission.REVOKE_RUNTIME_PERMISSIONS"); |
| try { |
| uiAutomation.revokeRuntimePermission(packageName, permission); |
| } finally { |
| uiAutomation.dropShellPermissionIdentity(); |
| } |
| } |
| |
| /** |
| * Adopts shell permission identity for the given permissions. |
| */ |
| public static void adoptShellPermissionIdentity(String... permissions) { |
| InstrumentationRegistry.getInstrumentation().getUiAutomation().adoptShellPermissionIdentity( |
| permissions); |
| } |
| |
| /** |
| * Drops shell permission identity for all permissions. |
| */ |
| public static void dropShellPermissionIdentity() { |
| InstrumentationRegistry.getInstrumentation().getUiAutomation() |
| .dropShellPermissionIdentity(); |
| } |
| |
| /** |
| * Executes a shell command. |
| */ |
| public static String executeShellCommand(String cmd) throws Exception { |
| UiAutomation uiAutomation = InstrumentationRegistry.getInstrumentation().getUiAutomation(); |
| try (FileInputStream output = new FileInputStream( |
| uiAutomation.executeShellCommand(cmd).getFileDescriptor())) { |
| return new String(ByteStreams.toByteArray(output)); |
| } |
| } |
| |
| /** |
| * Makes the given {@code testApp} list the content of the given directory and returns the |
| * result as an {@link ArrayList} |
| */ |
| public static ArrayList<String> listAs(TestApp testApp, String dirPath) throws Exception { |
| return getContentsFromTestApp(testApp, dirPath, READDIR_QUERY); |
| } |
| |
| /** |
| * Returns {@code true} iff the given {@code path} exists and is readable and |
| * writable for for {@code testApp}. |
| */ |
| public static boolean canReadAndWriteAs(TestApp testApp, String path) throws Exception { |
| return getResultFromTestApp(testApp, path, CAN_READ_WRITE_QUERY); |
| } |
| |
| /** |
| * Makes the given {@code testApp} read the EXIF metadata from the given file and returns the |
| * result as an {@link HashMap} |
| */ |
| public static HashMap<String, String> readExifMetadataFromTestApp( |
| TestApp testApp, String filePath) throws Exception { |
| HashMap<String, String> res = |
| getMetadataFromTestApp(testApp, filePath, EXIF_METADATA_QUERY); |
| return res; |
| } |
| |
| /** |
| * Makes the given {@code testApp} create a file. |
| * |
| * <p>This method drops shell permission identity. |
| */ |
| public static boolean createFileAs(TestApp testApp, String path) throws Exception { |
| return getResultFromTestApp(testApp, path, CREATE_FILE_QUERY); |
| } |
| |
| /** |
| * Makes the given {@code testApp} delete a file. |
| * |
| * <p>This method drops shell permission identity. |
| */ |
| public static boolean deleteFileAs(TestApp testApp, String path) throws Exception { |
| return getResultFromTestApp(testApp, path, DELETE_FILE_QUERY); |
| } |
| |
| /** |
| * Makes the given {@code testApp} delete a file. Doesn't throw in case of failure. |
| */ |
| public static boolean deleteFileAsNoThrow(TestApp testApp, String path) { |
| try { |
| return deleteFileAs(testApp, path); |
| } catch (Exception e) { |
| Log.e(TAG, |
| "Error occurred while deleting file: " + path + " on behalf of app: " + testApp, |
| e); |
| return false; |
| } |
| } |
| |
| /** |
| * Makes the given {@code testApp} open {@code file} for read or write. |
| * |
| * <p>This method drops shell permission identity. |
| */ |
| public static boolean openFileAs(TestApp testApp, File file, boolean forWrite) |
| throws Exception { |
| return openFileAs(testApp, file.getAbsolutePath(), forWrite); |
| } |
| |
| /** |
| * Makes the given {@code testApp} open a file for read or write. |
| * |
| * <p>This method drops shell permission identity. |
| */ |
| public static boolean openFileAs(TestApp testApp, String path, boolean forWrite) |
| throws Exception { |
| return getResultFromTestApp( |
| testApp, path, forWrite ? OPEN_FILE_FOR_WRITE_QUERY : OPEN_FILE_FOR_READ_QUERY); |
| } |
| |
| /** |
| * Installs a {@link TestApp} without storage permissions. |
| */ |
| public static void installApp(TestApp testApp) throws Exception { |
| installApp(testApp, /* grantStoragePermission */ false); |
| } |
| |
| /** |
| * Installs a {@link TestApp} with storage permissions. |
| */ |
| public static void installAppWithStoragePermissions(TestApp testApp) throws Exception { |
| installApp(testApp, /* grantStoragePermission */ true); |
| } |
| |
| /** |
| * Installs a {@link TestApp} and may grant it storage permissions. |
| */ |
| public static void installApp(TestApp testApp, boolean grantStoragePermission) |
| throws Exception { |
| UiAutomation uiAutomation = InstrumentationRegistry.getInstrumentation().getUiAutomation(); |
| try { |
| final String packageName = testApp.getPackageName(); |
| uiAutomation.adoptShellPermissionIdentity( |
| Manifest.permission.INSTALL_PACKAGES, Manifest.permission.DELETE_PACKAGES); |
| if (InstallUtils.getInstalledVersion(packageName) != -1) { |
| Uninstall.packages(packageName); |
| } |
| Install.single(testApp).commit(); |
| assertThat(InstallUtils.getInstalledVersion(packageName)).isEqualTo(1); |
| if (grantStoragePermission) { |
| grantPermission(packageName, Manifest.permission.READ_EXTERNAL_STORAGE); |
| } |
| } finally { |
| uiAutomation.dropShellPermissionIdentity(); |
| } |
| } |
| |
| /** |
| * Uninstalls a {@link TestApp}. |
| */ |
| public static void uninstallApp(TestApp testApp) throws Exception { |
| UiAutomation uiAutomation = InstrumentationRegistry.getInstrumentation().getUiAutomation(); |
| try { |
| final String packageName = testApp.getPackageName(); |
| uiAutomation.adoptShellPermissionIdentity(Manifest.permission.DELETE_PACKAGES); |
| |
| Uninstall.packages(packageName); |
| assertThat(InstallUtils.getInstalledVersion(packageName)).isEqualTo(-1); |
| } finally { |
| uiAutomation.dropShellPermissionIdentity(); |
| } |
| } |
| |
| /** |
| * Uninstalls a {@link TestApp}. Doesn't throw in case of failure. |
| */ |
| public static void uninstallAppNoThrow(TestApp testApp) { |
| try { |
| uninstallApp(testApp); |
| } catch (Exception e) { |
| Log.e(TAG, "Exception occurred while uninstalling app: " + testApp, e); |
| } |
| } |
| |
| public static ContentResolver getContentResolver() { |
| return getContext().getContentResolver(); |
| } |
| |
| /** |
| * Queries {@link ContentResolver} for a file and returns the corresponding {@link Uri} for its |
| * entry in the database. Returns {@code null} if file doesn't exist in the database. |
| */ |
| @Nullable |
| public static Uri getFileUri(@NonNull File file) { |
| final Uri contentUri = MediaStore.Files.getContentUri(MediaStore.VOLUME_EXTERNAL); |
| final int id = getFileRowIdFromDatabase(file); |
| return id == -1 ? null : ContentUris.withAppendedId(contentUri, id); |
| } |
| |
| /** |
| * Queries {@link ContentResolver} for a file and returns the corresponding row ID for its |
| * entry in the database. |
| */ |
| public static int getFileRowIdFromDatabase(@NonNull File file) { |
| int id = -1; |
| try (Cursor c = queryFile(file, MediaStore.MediaColumns._ID)) { |
| if (c.moveToFirst()) { |
| id = c.getInt(0); |
| } |
| } |
| return id; |
| } |
| |
| /** |
| * Queries {@link ContentResolver} for a file and returns the corresponding owner package name |
| * for its entry in the database. |
| */ |
| @Nullable |
| public static String getFileOwnerPackageFromDatabase(@NonNull File file) { |
| String ownerPackage = null; |
| try (Cursor c = queryFile(file, MediaStore.MediaColumns.OWNER_PACKAGE_NAME)) { |
| if (c.moveToFirst()) { |
| ownerPackage = c.getString(0); |
| } |
| } |
| return ownerPackage; |
| } |
| |
| /** |
| * Queries {@link ContentResolver} for a video file and returns a {@link Cursor} with the given |
| * columns. |
| */ |
| @NonNull |
| public static Cursor queryVideoFile(File file, String... projection) { |
| return queryFile(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, file, projection); |
| } |
| |
| /** |
| * Queries {@link ContentResolver} for an image file and returns a {@link Cursor} with the given |
| * columns. |
| */ |
| @NonNull |
| public static Cursor queryImageFile(File file, String... projection) { |
| return queryFile(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, file, projection); |
| } |
| |
| /** |
| * Queries {@link ContentResolver} for a file and returns the corresponding mime type for its |
| * entry in the database. |
| */ |
| @NonNull |
| public static String getFileMimeTypeFromDatabase(@NonNull File file) { |
| String mimeType = ""; |
| try (Cursor c = queryFile(file, MediaStore.MediaColumns.MIME_TYPE)) { |
| if (c.moveToFirst()) { |
| mimeType = c.getString(0); |
| } |
| } |
| return mimeType; |
| } |
| |
| /** |
| * Sets {@link AppOpsManager#MODE_ALLOWED} for the given {@code ops} and the given {@code uid}. |
| * |
| * <p>This method drops shell permission identity. |
| */ |
| public static void allowAppOpsToUid(int uid, @NonNull String... ops) { |
| setAppOpsModeForUid(uid, AppOpsManager.MODE_ALLOWED, ops); |
| } |
| |
| /** |
| * Sets {@link AppOpsManager#MODE_ERRORED} for the given {@code ops} and the given {@code uid}. |
| * |
| * <p>This method drops shell permission identity. |
| */ |
| public static void denyAppOpsToUid(int uid, @NonNull String... ops) { |
| setAppOpsModeForUid(uid, AppOpsManager.MODE_ERRORED, ops); |
| } |
| |
| /** |
| * Deletes the given file through {@link ContentResolver} and {@link MediaStore} APIs, |
| * and asserts that the file was successfully deleted from the database. |
| */ |
| public static void deleteWithMediaProvider(@NonNull File file) { |
| assertThat(getContentResolver().delete( |
| MediaStore.Files.getContentUri(MediaStore.VOLUME_EXTERNAL), |
| /*where*/ MediaStore.MediaColumns.DATA + " = ?", |
| /*selectionArgs*/ new String[] {file.getPath()})) |
| .isEqualTo(1); |
| } |
| |
| /** |
| * Deletes db rows and files corresponding to uri through {@link ContentResolver} and |
| * {@link MediaStore} APIs. |
| */ |
| public static void deleteWithMediaProviderNoThrow(Uri... uris) { |
| for (Uri uri : uris) { |
| if (uri == null) continue; |
| |
| try { |
| getContentResolver().delete(uri, Bundle.EMPTY); |
| } catch (Exception ignored) { |
| } |
| } |
| } |
| |
| /** |
| * Renames the given file through {@link ContentResolver} and {@link MediaStore} APIs, |
| * and asserts that the file was updated in the database. |
| */ |
| public static void updateDisplayNameWithMediaProvider( |
| String relativePath, String oldDisplayName, String newDisplayName) { |
| String selection = MediaStore.MediaColumns.RELATIVE_PATH + " = ? AND " |
| + MediaStore.MediaColumns.DISPLAY_NAME + " = ?"; |
| String[] selectionArgs = {relativePath + '/', oldDisplayName}; |
| String[] projection = {MediaStore.MediaColumns._ID, MediaStore.MediaColumns.DATA}; |
| |
| ContentValues values = new ContentValues(); |
| values.put(MediaStore.MediaColumns.DISPLAY_NAME, newDisplayName); |
| |
| try (Cursor cursor = |
| getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, |
| projection, selection, selectionArgs, null)) { |
| assertThat(cursor.getCount()).isEqualTo(1); |
| cursor.moveToFirst(); |
| int id = cursor.getInt(cursor.getColumnIndex(MediaStore.MediaColumns._ID)); |
| String data = cursor.getString(cursor.getColumnIndex(MediaStore.MediaColumns.DATA)); |
| Uri uri = ContentUris.withAppendedId(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, id); |
| Log.i(TAG, "Uri: " + uri + ". Data: " + data); |
| assertThat(getContentResolver().update(uri, values, selection, selectionArgs)) |
| .isEqualTo(1); |
| } |
| } |
| |
| /** |
| * Opens the given file through {@link ContentResolver} and {@link MediaStore} APIs. |
| */ |
| @NonNull |
| public static ParcelFileDescriptor openWithMediaProvider(@NonNull File file, String mode) |
| throws Exception { |
| final Uri fileUri = getFileUri(file); |
| assertThat(fileUri).isNotNull(); |
| Log.i(TAG, "Uri: " + fileUri + ". Data: " + file.getPath()); |
| ParcelFileDescriptor pfd = getContentResolver().openFileDescriptor(fileUri, mode); |
| assertThat(pfd).isNotNull(); |
| return pfd; |
| } |
| |
| /** |
| * Asserts the given operation throws an exception of type {@code T}. |
| */ |
| public static <T extends Exception> void assertThrows(Class<T> clazz, Operation<Exception> r) |
| throws Exception { |
| assertThrows(clazz, "", r); |
| } |
| |
| /** |
| * Asserts the given operation throws an exception of type {@code T}. |
| */ |
| public static <T extends Exception> void assertThrows( |
| Class<T> clazz, String errMsg, Operation<Exception> r) throws Exception { |
| try { |
| r.run(); |
| fail("Expected " + clazz + " to be thrown"); |
| } catch (Exception e) { |
| if (!clazz.isAssignableFrom(e.getClass()) || !e.getMessage().contains(errMsg)) { |
| Log.e(TAG, "Expected " + clazz + " exception with error message: " + errMsg, e); |
| throw e; |
| } |
| } |
| } |
| |
| /** |
| * A functional interface representing an operation that takes no arguments, |
| * returns no arguments and might throw an {@link Exception} of any kind. |
| * |
| * @param T the subclass of {@link java.lang.Exception} that this operation might throw. |
| */ |
| @FunctionalInterface |
| public interface Operation<T extends Exception> { |
| /** |
| * This is the method that gets called for any object that implements this interface. |
| */ |
| void run() throws T; |
| } |
| |
| /** |
| * Deletes the given file. If the file is a directory, then deletes all of its children (files |
| * or directories) recursively. |
| */ |
| public static boolean deleteRecursively(@NonNull File path) { |
| if (path.isDirectory()) { |
| for (File child : path.listFiles()) { |
| if (!deleteRecursively(child)) { |
| return false; |
| } |
| } |
| } |
| return path.delete(); |
| } |
| |
| /** |
| * Asserts can rename file. |
| */ |
| public static void assertCanRenameFile(File oldFile, File newFile) { |
| assertThat(oldFile.renameTo(newFile)).isTrue(); |
| assertThat(oldFile.exists()).isFalse(); |
| assertThat(newFile.exists()).isTrue(); |
| assertThat(getFileRowIdFromDatabase(oldFile)).isEqualTo(-1); |
| assertThat(getFileRowIdFromDatabase(newFile)).isNotEqualTo(-1); |
| } |
| |
| /** |
| * Asserts cannot rename file. |
| */ |
| public static void assertCantRenameFile(File oldFile, File newFile) { |
| final int rowId = getFileRowIdFromDatabase(oldFile); |
| assertThat(oldFile.renameTo(newFile)).isFalse(); |
| assertThat(oldFile.exists()).isTrue(); |
| assertThat(getFileRowIdFromDatabase(oldFile)).isEqualTo(rowId); |
| } |
| |
| /** |
| * Asserts can rename directory. |
| */ |
| public static void assertCanRenameDirectory(File oldDirectory, File newDirectory, |
| @Nullable File[] oldFilesList, @Nullable File[] newFilesList) { |
| assertThat(oldDirectory.renameTo(newDirectory)).isTrue(); |
| assertThat(oldDirectory.exists()).isFalse(); |
| assertThat(newDirectory.exists()).isTrue(); |
| for (File file : oldFilesList != null ? oldFilesList : new File[0]) { |
| assertThat(file.exists()).isFalse(); |
| assertThat(getFileRowIdFromDatabase(file)).isEqualTo(-1); |
| } |
| for (File file : newFilesList != null ? newFilesList : new File[0]) { |
| assertThat(file.exists()).isTrue(); |
| assertThat(getFileRowIdFromDatabase(file)).isNotEqualTo(-1); |
| } |
| } |
| |
| /** |
| * Asserts cannot rename directory. |
| */ |
| public static void assertCantRenameDirectory( |
| File oldDirectory, File newDirectory, @Nullable File[] oldFilesList) { |
| assertThat(oldDirectory.renameTo(newDirectory)).isFalse(); |
| assertThat(oldDirectory.exists()).isTrue(); |
| for (File file : oldFilesList != null ? oldFilesList : new File[0]) { |
| assertThat(file.exists()).isTrue(); |
| assertThat(getFileRowIdFromDatabase(file)).isNotEqualTo(-1); |
| } |
| } |
| |
| /** |
| * Returns whether we can open the file. |
| */ |
| public static boolean canOpen(File file, boolean forWrite) { |
| if (forWrite) { |
| try (FileOutputStream fis = new FileOutputStream(file)) { |
| return true; |
| } catch (IOException expected) { |
| return false; |
| } |
| } else { |
| try (FileInputStream fis = new FileInputStream(file)) { |
| return true; |
| } catch (IOException expected) { |
| return false; |
| } |
| } |
| } |
| |
| /** |
| * Polls for external storage to be mounted. |
| */ |
| public static void pollForExternalStorageState() throws Exception { |
| pollForCondition( |
| () -> Environment.getExternalStorageState(getExternalStorageDir()) |
| .equals(Environment.MEDIA_MOUNTED), |
| "Timed out while waiting for ExternalStorageState to be MEDIA_MOUNTED"); |
| } |
| |
| /** |
| * Polls until we're granted or denied a given permission. |
| */ |
| public static void pollForPermission(String perm, boolean granted) throws Exception { |
| pollForCondition(() -> granted == checkPermissionAndAppOp(perm), |
| "Timed out while waiting for permission " + perm + " to be " |
| + (granted ? "granted" : "revoked")); |
| } |
| |
| /** |
| * Asserts the entire content of the file equals exactly {@code expectedContent}. |
| */ |
| public static void assertFileContent(File file, byte[] expectedContent) throws IOException { |
| try (FileInputStream fis = new FileInputStream(file)) { |
| assertInputStreamContent(fis, expectedContent); |
| } |
| } |
| |
| /** |
| * Asserts the entire content of the file equals exactly {@code expectedContent}. |
| * <p>Sets {@code fd} to beginning of file first. |
| */ |
| public static void assertFileContent(FileDescriptor fd, byte[] expectedContent) |
| throws IOException, ErrnoException { |
| Os.lseek(fd, 0, OsConstants.SEEK_SET); |
| try (FileInputStream fis = new FileInputStream(fd)) { |
| assertInputStreamContent(fis, expectedContent); |
| } |
| } |
| |
| /** |
| * Asserts that {@code dir} is a directory and that it doesn't contain any of |
| * {@code unexpectedContent} |
| */ |
| public static void assertDirectoryDoesNotContain(@NonNull File dir, File... unexpectedContent) { |
| assertThat(dir.isDirectory()).isTrue(); |
| assertThat(Arrays.asList(dir.listFiles())).containsNoneIn(unexpectedContent); |
| } |
| |
| /** |
| * Asserts that {@code dir} is a directory and that it contains all of {@code expectedContent} |
| */ |
| public static void assertDirectoryContains(@NonNull File dir, File... expectedContent) { |
| assertThat(dir.isDirectory()).isTrue(); |
| assertThat(Arrays.asList(dir.listFiles())).containsAllIn(expectedContent); |
| } |
| |
| public static File getExternalStorageDir() { |
| return sExternalStorageDirectory; |
| } |
| |
| public static void setExternalStorageVolume(@NonNull String volName) { |
| sExternalStorageDirectory = new File("/storage/" + volName); |
| } |
| |
| /** |
| * Resets the root directory of external storage to the default. |
| * |
| * @see Environment#getExternalStorageDirectory() |
| */ |
| public static void resetDefaultExternalStorageVolume() { |
| sExternalStorageDirectory = Environment.getExternalStorageDirectory(); |
| } |
| |
| /** |
| * Creates and returns the Android data sub-directory belonging to the calling package. |
| */ |
| public static File getExternalFilesDir() { |
| final String packageName = getContext().getPackageName(); |
| final File res = new File(getAndroidDataDir(), packageName + "/files"); |
| if (!res.equals(getContext().getExternalFilesDir(null))) { |
| res.mkdirs(); |
| } |
| return res; |
| } |
| |
| /** |
| * Creates and returns the Android media sub-directory belonging to the calling package. |
| */ |
| public static File getExternalMediaDir() { |
| final String packageName = getContext().getPackageName(); |
| final File res = new File(getAndroidMediaDir(), packageName); |
| if (!res.equals(getContext().getExternalMediaDirs()[0])) { |
| res.mkdirs(); |
| } |
| return res; |
| } |
| |
| public static File getAlarmsDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_ALARMS); |
| } |
| |
| public static File getAndroidDir() { |
| return new File(getExternalStorageDir(), |
| "Android"); |
| } |
| |
| public static File getAudiobooksDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_AUDIOBOOKS); |
| } |
| |
| public static File getDcimDir() { |
| return new File(getExternalStorageDir(), Environment.DIRECTORY_DCIM); |
| } |
| |
| public static File getDocumentsDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_DOCUMENTS); |
| } |
| |
| public static File getDownloadDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_DOWNLOADS); |
| } |
| |
| public static File getMusicDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_MUSIC); |
| } |
| |
| public static File getMoviesDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_MOVIES); |
| } |
| |
| public static File getNotificationsDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_NOTIFICATIONS); |
| } |
| |
| public static File getPicturesDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_PICTURES); |
| } |
| |
| public static File getPodcastsDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_PODCASTS); |
| } |
| |
| public static File getRingtonesDir() { |
| return new File(getExternalStorageDir(), |
| Environment.DIRECTORY_RINGTONES); |
| } |
| |
| public static File getAndroidDataDir() { |
| return new File(getAndroidDir(), "data"); |
| } |
| |
| public static File getAndroidMediaDir() { |
| return new File(getAndroidDir(), "media"); |
| } |
| |
| public static File[] getDefaultTopLevelDirs() { |
| return new File [] { getAlarmsDir(), getAndroidDir(), getAudiobooksDir(), getDcimDir(), |
| getDocumentsDir(), getDownloadDir(), getMusicDir(), getMoviesDir(), |
| getNotificationsDir(), getPicturesDir(), getPodcastsDir(), getRingtonesDir() }; |
| } |
| |
| private static void assertInputStreamContent(InputStream in, byte[] expectedContent) |
| throws IOException { |
| assertThat(ByteStreams.toByteArray(in)).isEqualTo(expectedContent); |
| } |
| |
| /** |
| * Checks if the given {@code permission} is granted and corresponding AppOp is MODE_ALLOWED. |
| */ |
| private static boolean checkPermissionAndAppOp(String permission) { |
| final int pid = Os.getpid(); |
| final int uid = Os.getuid(); |
| final Context context = getContext(); |
| final String packageName = context.getPackageName(); |
| if (context.checkPermission(permission, pid, uid) != PackageManager.PERMISSION_GRANTED) { |
| return false; |
| } |
| |
| final String op = AppOpsManager.permissionToOp(permission); |
| // No AppOp associated with the given permission, skip AppOp check. |
| if (op == null) { |
| return true; |
| } |
| |
| final AppOpsManager appOps = context.getSystemService(AppOpsManager.class); |
| try { |
| appOps.checkPackage(uid, packageName); |
| } catch (SecurityException e) { |
| return false; |
| } |
| |
| return appOps.unsafeCheckOpNoThrow(op, uid, packageName) == AppOpsManager.MODE_ALLOWED; |
| } |
| |
| /** |
| * <p>This method drops shell permission identity. |
| */ |
| private static void forceStopApp(String packageName) throws Exception { |
| UiAutomation uiAutomation = InstrumentationRegistry.getInstrumentation().getUiAutomation(); |
| try { |
| uiAutomation.adoptShellPermissionIdentity(Manifest.permission.FORCE_STOP_PACKAGES); |
| |
| getContext().getSystemService(ActivityManager.class).forceStopPackage(packageName); |
| Thread.sleep(1000); |
| } finally { |
| uiAutomation.dropShellPermissionIdentity(); |
| } |
| } |
| |
| /** |
| * <p>This method drops shell permission identity. |
| */ |
| private static void sendIntentToTestApp(TestApp testApp, String dirPath, String actionName, |
| BroadcastReceiver broadcastReceiver, CountDownLatch latch) throws Exception { |
| final String packageName = testApp.getPackageName(); |
| forceStopApp(packageName); |
| // Register broadcast receiver |
| final IntentFilter intentFilter = new IntentFilter(); |
| intentFilter.addAction(actionName); |
| intentFilter.addCategory(Intent.CATEGORY_DEFAULT); |
| getContext().registerReceiver(broadcastReceiver, intentFilter); |
| |
| // Launch the test app. |
| final Intent intent = new Intent(Intent.ACTION_MAIN); |
| intent.setPackage(packageName); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| intent.putExtra(QUERY_TYPE, actionName); |
| intent.putExtra(INTENT_EXTRA_PATH, dirPath); |
| intent.addCategory(Intent.CATEGORY_LAUNCHER); |
| getContext().startActivity(intent); |
| latch.await(); |
| getContext().unregisterReceiver(broadcastReceiver); |
| } |
| |
| /** |
| * Gets images/video metadata from a test app. |
| * |
| * <p>This method drops shell permission identity. |
| */ |
| private static HashMap<String, String> getMetadataFromTestApp( |
| TestApp testApp, String dirPath, String actionName) throws Exception { |
| final CountDownLatch latch = new CountDownLatch(1); |
| final HashMap<String, String> appOutputList = new HashMap<>(); |
| final Exception[] exception = new Exception[1]; |
| exception[0] = null; |
| final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.hasExtra(INTENT_EXCEPTION)) { |
| exception[0] = (Exception) (intent.getExtras().get(INTENT_EXCEPTION)); |
| } else if (intent.hasExtra(actionName)) { |
| HashMap<String, String> res = |
| (HashMap<String, String>) intent.getExtras().get(actionName); |
| appOutputList.putAll(res); |
| } |
| latch.countDown(); |
| } |
| }; |
| sendIntentToTestApp(testApp, dirPath, actionName, broadcastReceiver, latch); |
| if (exception[0] != null) { |
| throw exception[0]; |
| } |
| return appOutputList; |
| } |
| |
| /** |
| * <p>This method drops shell permission identity. |
| */ |
| private static ArrayList<String> getContentsFromTestApp( |
| TestApp testApp, String dirPath, String actionName) throws Exception { |
| final CountDownLatch latch = new CountDownLatch(1); |
| final ArrayList<String> appOutputList = new ArrayList<String>(); |
| final Exception[] exception = new Exception[1]; |
| exception[0] = null; |
| final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.hasExtra(INTENT_EXCEPTION)) { |
| exception[0] = (Exception) (intent.getSerializableExtra(INTENT_EXCEPTION)); |
| } else if (intent.hasExtra(actionName)) { |
| appOutputList.addAll(intent.getStringArrayListExtra(actionName)); |
| } |
| latch.countDown(); |
| } |
| }; |
| |
| sendIntentToTestApp(testApp, dirPath, actionName, broadcastReceiver, latch); |
| if (exception[0] != null) { |
| throw exception[0]; |
| } |
| return appOutputList; |
| } |
| |
| /** |
| * <p>This method drops shell permission identity. |
| */ |
| private static boolean getResultFromTestApp(TestApp testApp, String dirPath, String actionName) |
| throws Exception { |
| final CountDownLatch latch = new CountDownLatch(1); |
| final boolean[] appOutput = new boolean[1]; |
| final Exception[] exception = new Exception[1]; |
| exception[0] = null; |
| BroadcastReceiver broadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.hasExtra(INTENT_EXCEPTION)) { |
| exception[0] = (Exception) (intent.getSerializableExtra(INTENT_EXCEPTION)); |
| } else if (intent.hasExtra(actionName)) { |
| appOutput[0] = intent.getBooleanExtra(actionName, false); |
| } |
| latch.countDown(); |
| } |
| }; |
| |
| sendIntentToTestApp(testApp, dirPath, actionName, broadcastReceiver, latch); |
| if (exception[0] != null) { |
| throw exception[0]; |
| } |
| return appOutput[0]; |
| } |
| |
| /** |
| * Sets {@code mode} for the given {@code ops} and the given {@code uid}. |
| * |
| * <p>This method drops shell permission identity. |
| */ |
| private static void setAppOpsModeForUid(int uid, int mode, @NonNull String... ops) { |
| adoptShellPermissionIdentity(null); |
| try { |
| for (String op : ops) { |
| getContext().getSystemService(AppOpsManager.class).setUidMode(op, uid, mode); |
| } |
| } finally { |
| dropShellPermissionIdentity(); |
| } |
| } |
| |
| @NonNull |
| private static Cursor queryFile(@NonNull File file, String... projection) { |
| return queryFile( |
| MediaStore.Files.getContentUri(MediaStore.VOLUME_EXTERNAL), file, projection); |
| } |
| |
| @NonNull |
| private static Cursor queryFile(@NonNull Uri uri, @NonNull File file, String... projection) { |
| Bundle queryArgs = new Bundle(); |
| queryArgs.putString(ContentResolver.QUERY_ARG_SQL_SELECTION, |
| MediaStore.MediaColumns.DATA + " = ?"); |
| queryArgs.putStringArray(ContentResolver.QUERY_ARG_SQL_SELECTION_ARGS, |
| new String[] { file.getAbsolutePath() }); |
| queryArgs.putInt(MediaStore.QUERY_ARG_MATCH_PENDING, MediaStore.MATCH_INCLUDE); |
| queryArgs.putInt(MediaStore.QUERY_ARG_MATCH_TRASHED, MediaStore.MATCH_INCLUDE); |
| |
| final Cursor c = getContentResolver().query(uri, projection, queryArgs, null); |
| assertThat(c).isNotNull(); |
| return c; |
| } |
| |
| private static boolean partitionDisk() { |
| try { |
| final String listDisks = executeShellCommand("sm list-disks").trim(); |
| executeShellCommand("sm partition " + listDisks + " public"); |
| return true; |
| } catch (Exception e) { |
| return false; |
| } |
| } |
| |
| private static void pollForCondition(Supplier<Boolean> condition, String errorMessage) |
| throws Exception { |
| for (int i = 0; i < POLLING_TIMEOUT_MILLIS / POLLING_SLEEP_MILLIS; i++) { |
| if (condition.get()) { |
| return; |
| } |
| Thread.sleep(POLLING_SLEEP_MILLIS); |
| } |
| throw new TimeoutException(errorMessage); |
| } |
| } |