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/**
* 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.io.InterruptedIOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Locale;
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 CREATE_IMAGE_ENTRY_QUERY =
"android.scopedstorage.cts.createimageentry";
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 SETATTR_QUERY = "android.scopedstorage.cts.setattr";
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 String sStorageVolumeName = MediaStore.VOLUME_EXTERNAL;
private static final long POLLING_TIMEOUT_MILLIS = TimeUnit.SECONDS.toMillis(20);
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 command) throws IOException {
int attempt = 0;
while (attempt++ < 5) {
try {
return executeShellCommandInternal(command);
} catch (InterruptedIOException e) {
// Hmm, we had trouble executing the shell command; the best we
// can do is try again a few more times
Log.v(TAG, "Trouble executing " + command + "; trying again", e);
}
}
throw new IOException("Failed to execute " + command);
}
private static String executeShellCommandInternal(String cmd) throws IOException {
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} create a mediastore DB entry under
* {@code MediaStore.Media.Images}.
*
* The {@code path} argument is treated as a relative path and a name separated
* by an {@code '/'}.
*/
public static boolean createImageEntryAs(TestApp testApp, String path) throws Exception {
return getResultFromTestApp(testApp, path, CREATE_IMAGE_ENTRY_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);
}
/**
* Makes the given {@code testApp} setattr for given file path.
*
* <p>This method drops shell permission identity.
*/
public static boolean setAttrAs(TestApp testApp, String path)
throws Exception {
return getResultFromTestApp(testApp, path, SETATTR_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();
}
/**
* Inserts a file into the database using {@link MediaStore.MediaColumns#DATA}.
*/
public static Uri insertFileUsingDataColumn(@NonNull File file) {
final ContentValues values = new ContentValues();
values.put(MediaStore.MediaColumns.DATA, file.getPath());
return getContentResolver().insert(MediaStore.Files.getContentUri(sStorageVolumeName),
values);
}
/**
* Returns the content URI for images based on the current storage volume.
*/
public static Uri getImageContentUri() {
return MediaStore.Images.Media.getContentUri(sStorageVolumeName);
}
/**
* Renames the given file using {@link ContentResolver} and {@link MediaStore} and APIs.
* This method uses the data column, and not all apps can use it.
* @see MediaStore.MediaColumns#DATA
*/
public static int renameWithMediaProvider(@NonNull File oldPath, @NonNull File newPath) {
ContentValues values = new ContentValues();
values.put(MediaStore.MediaColumns.DATA, newPath.getPath());
return getContentResolver().update(MediaStore.Files.getContentUri(sStorageVolumeName),
values, /*where*/ MediaStore.MediaColumns.DATA + "=?",
/*whereArgs*/ new String[] {oldPath.getPath()});
}
/**
* 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(sStorageVolumeName);
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. Returns {@code -1} if file is not found.
*/
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 file and returns the corresponding file size for its
* entry in the database. Returns {@code -1} if file is not found.
*/
@Nullable
public static int getFileSizeFromDatabase(@NonNull File file) {
int size = -1;
try (Cursor c = queryFile(file, MediaStore.MediaColumns.SIZE)) {
if (c.moveToFirst()) {
size = c.getInt(0);
}
}
return size;
}
/**
* 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.getContentUri(sStorageVolumeName), file,
/*includePending*/ true, 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.getContentUri(sStorageVolumeName), file,
/*includePending*/ true, 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) {
Bundle extras = new Bundle();
extras.putString(ContentResolver.QUERY_ARG_SQL_SELECTION,
MediaStore.MediaColumns.DATA + " = ?");
extras.putStringArray(ContentResolver.QUERY_ARG_SQL_SELECTION_ARGS,
new String[] {file.getPath()});
extras.putInt(MediaStore.QUERY_ARG_MATCH_PENDING, MediaStore.MATCH_INCLUDE);
extras.putInt(MediaStore.QUERY_ARG_MATCH_TRASHED, MediaStore.MATCH_INCLUDE);
assertThat(getContentResolver().delete(
MediaStore.Files.getContentUri(sStorageVolumeName), extras)).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(Uri uri, String relativePath,
String oldDisplayName, String newDisplayName) {
String selection = MediaStore.MediaColumns.RELATIVE_PATH + " = ? AND "
+ MediaStore.MediaColumns.DISPLAY_NAME + " = ?";
String[] selectionArgs = {relativePath + '/', oldDisplayName};
Bundle extras = new Bundle();
extras.putString(ContentResolver.QUERY_ARG_SQL_SELECTION, selection);
extras.putStringArray(ContentResolver.QUERY_ARG_SQL_SELECTION_ARGS, selectionArgs);
extras.putInt(MediaStore.QUERY_ARG_MATCH_PENDING, MediaStore.MATCH_INCLUDE);
extras.putInt(MediaStore.QUERY_ARG_MATCH_TRASHED, MediaStore.MATCH_INCLUDE);
ContentValues values = new ContentValues();
values.put(MediaStore.MediaColumns.DISPLAY_NAME, newDisplayName);
assertThat(getContentResolver().update(uri, values, extras)).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) {
sStorageVolumeName = volName.toLowerCase(Locale.ROOT);
sExternalStorageDirectory = new File("/storage/" + volName);
}
/**
* Resets the root directory of external storage to the default.
*
* @see Environment#getExternalStorageDirectory()
*/
public static void resetDefaultExternalStorageVolume() {
sStorageVolumeName = MediaStore.VOLUME_EXTERNAL;
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);
if (!latch.await(POLLING_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)) {
final String errorMessage = "Timed out while waiting to receive " + actionName
+ " intent from " + packageName;
throw new TimeoutException(errorMessage);
}
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();
}
}
/**
* Queries {@link ContentResolver} for a file IS_PENDING=0 and returns a {@link Cursor} with the
* given columns.
*/
@NonNull
public static Cursor queryFileExcludingPending(@NonNull File file, String... projection) {
return queryFile(MediaStore.Files.getContentUri(sStorageVolumeName), file,
/*includePending*/ false, projection);
}
@NonNull
public static Cursor queryFile(@NonNull File file, String... projection) {
return queryFile(MediaStore.Files.getContentUri(sStorageVolumeName), file,
/*includePending*/ true, projection);
}
@NonNull
private static Cursor queryFile(@NonNull Uri uri, @NonNull File file, boolean includePending,
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_TRASHED, MediaStore.MATCH_INCLUDE);
if (includePending) {
queryArgs.putInt(MediaStore.QUERY_ARG_MATCH_PENDING, MediaStore.MATCH_INCLUDE);
} else {
queryArgs.putInt(MediaStore.QUERY_ARG_MATCH_PENDING, MediaStore.MATCH_EXCLUDE);
}
final Cursor c = getContentResolver().query(uri, projection, queryArgs, null);
assertThat(c).isNotNull();
return c;
}
/**
* Creates a new virtual public volume and returns the volume's name.
*/
public static String createNewPublicVolume() throws Exception {
executeShellCommand("sm set-force-adoptable on");
executeShellCommand("sm set-virtual-disk true");
Thread.sleep(2000);
pollForCondition(TestUtils::partitionDisk, "Timed out while waiting for disk partitioning");
final String[] res = new String[1];
pollForCondition(() -> {
res[0] = getPublicVolumeName();
return res[0] != null;
}, "Timed out while waiting for public volume to be created");
return res[0];
}
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;
}
}
/**
* Gets the name of the public volume.
*/
public static String getPublicVolumeName() {
final String[] allVolumeDetails;
try {
allVolumeDetails = executeShellCommand("sm list-volumes")
.trim().split("\n");
} catch (Exception e) {
Log.e(TAG, "Failed to execute shell command", e);
return null;
}
for (String volDetails : allVolumeDetails) {
if (volDetails.startsWith("public")) {
final String[] publicVolumeDetails = volDetails.trim().split(" ");
return publicVolumeDetails[publicVolumeDetails.length - 1];
}
}
return null;
}
/**
* Returns the content URI of the volume on which the test is running.
*/
public static Uri getTestVolumeFileUri() {
return MediaStore.Files.getContentUri(sStorageVolumeName);
}
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);
}
}