Examples with ParcelFileDescriptor android.os.ParcelFileDescriptor used on opensource projects

Example 46 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class PackageInstallerSession method openReadInternal.

private ParcelFileDescriptor openReadInternal(String name) throws IOException {
    assertPreparedAndNotSealed("openRead");
    try {
        if (!FileUtils.isValidExtFilename(name)) {
            throw new IllegalArgumentException("Invalid name: " + name);
        }
        final File target = new File(resolveStageDir(), name);
        final FileDescriptor targetFd = Libcore.os.open(target.getAbsolutePath(), O_RDONLY, 0);
        return new ParcelFileDescriptor(targetFd);
    } catch (ErrnoException e) {
        throw e.rethrowAsIOException();
    }
}

Example 47 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class PackageInstallerSession method openWriteInternal.

private ParcelFileDescriptor openWriteInternal(String name, long offsetBytes, long lengthBytes) throws IOException {
    // Quick sanity check of state, and allocate a pipe for ourselves. We
    // then do heavy disk allocation outside the lock, but this open pipe
    // will block any attempted install transitions.
    final FileBridge bridge;
    synchronized (mLock) {
        assertPreparedAndNotSealed("openWrite");
        bridge = new FileBridge();
        mBridges.add(bridge);
    }
    try {
        // Use installer provided name for now; we always rename later
        if (!FileUtils.isValidExtFilename(name)) {
            throw new IllegalArgumentException("Invalid name: " + name);
        }
        final File target;
        final long identity = Binder.clearCallingIdentity();
        try {
            target = new File(resolveStageDir(), name);
        } finally {
            Binder.restoreCallingIdentity(identity);
        }
        // TODO: this should delegate to DCS so the system process avoids
        // holding open FDs into containers.
        final FileDescriptor targetFd = Libcore.os.open(target.getAbsolutePath(), O_CREAT | O_WRONLY, 0644);
        Os.chmod(target.getAbsolutePath(), 0644);
        // cache space to grow, if needed.
        if (lengthBytes > 0) {
            final StructStat stat = Libcore.os.fstat(targetFd);
            final long deltaBytes = lengthBytes - stat.st_size;
            // Only need to free up space when writing to internal stage
            if (stageDir != null && deltaBytes > 0) {
                mPm.freeStorage(params.volumeUuid, deltaBytes);
            }
            Libcore.os.posix_fallocate(targetFd, 0, lengthBytes);
        }
        if (offsetBytes > 0) {
            Libcore.os.lseek(targetFd, offsetBytes, OsConstants.SEEK_SET);
        }
        bridge.setTargetFile(targetFd);
        bridge.start();
        return new ParcelFileDescriptor(bridge.getClientSocket());
    } catch (ErrnoException e) {
        throw e.rethrowAsIOException();
    }
}

Example 48 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class DevicePolicyManagerService method shareBugreportWithDeviceOwnerIfExists.

private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, String bugreportHash) {
    ParcelFileDescriptor pfd = null;
    try {
        if (bugreportUriString == null) {
            throw new FileNotFoundException();
        }
        Uri bugreportUri = Uri.parse(bugreportUriString);
        pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r");
        synchronized (this) {
            Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE);
            intent.setComponent(mOwners.getDeviceOwnerComponent());
            intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE);
            intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash);
            mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
            mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId()));
        }
    } catch (FileNotFoundException e) {
        Bundle extras = new Bundle();
        extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE);
        sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras);
    } finally {
        try {
            if (pfd != null) {
                pfd.close();
            }
        } catch (IOException ex) {
        // Ignore
        }
        mRemoteBugreportSharingAccepted.set(false);
        setDeviceOwnerRemoteBugreportUriAndHash(null, null);
    }
}

Example 49 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class WallpaperManagerService method setWallpaper.

@Override
public ParcelFileDescriptor setWallpaper(String name, String callingPackage, Rect cropHint, boolean allowBackup, Bundle extras, int which, IWallpaperManagerCallback completion, int userId) {
    userId = ActivityManager.handleIncomingUser(getCallingPid(), getCallingUid(), userId, false, /* all */
    true, /* full */
    "changing wallpaper", null);
    checkPermission(android.Manifest.permission.SET_WALLPAPER);
    if ((which & (FLAG_LOCK | FLAG_SYSTEM)) == 0) {
        final String msg = "Must specify a valid wallpaper category to set";
        Slog.e(TAG, msg);
        throw new IllegalArgumentException(msg);
    }
    if (!isWallpaperSupported(callingPackage) || !isSetWallpaperAllowed(callingPackage)) {
        return null;
    }
    // "null" means the no-op crop, preserving the full input image
    if (cropHint == null) {
        cropHint = new Rect(0, 0, 0, 0);
    } else {
        if (cropHint.isEmpty() || cropHint.left < 0 || cropHint.top < 0) {
            throw new IllegalArgumentException("Invalid crop rect supplied: " + cropHint);
        }
    }
    synchronized (mLock) {
        if (DEBUG)
            Slog.v(TAG, "setWallpaper which=0x" + Integer.toHexString(which));
        WallpaperData wallpaper;
        /* If we're setting system but not lock, and lock is currently sharing the system
             * wallpaper, we need to migrate that image over to being lock-only before
             * the caller here writes new bitmap data.
             */
        if (which == FLAG_SYSTEM && mLockWallpaperMap.get(userId) == null) {
            if (DEBUG) {
                Slog.i(TAG, "Migrating system->lock to preserve");
            }
            migrateSystemToLockWallpaperLocked(userId);
        }
        wallpaper = getWallpaperSafeLocked(userId, which);
        final long ident = Binder.clearCallingIdentity();
        try {
            ParcelFileDescriptor pfd = updateWallpaperBitmapLocked(name, wallpaper, extras);
            if (pfd != null) {
                wallpaper.imageWallpaperPending = true;
                wallpaper.whichPending = which;
                wallpaper.setComplete = completion;
                wallpaper.cropHint.set(cropHint);
                wallpaper.allowBackup = allowBackup;
            }
            return pfd;
        } finally {
            Binder.restoreCallingIdentity(ident);
        }
    }
}

Example 50 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class DropBoxTest method testDropBoxEntrySerialization.

public void testDropBoxEntrySerialization() throws Exception {
    // Make sure DropBoxManager.Entry can be serialized to a Parcel and back
    // under a variety of conditions.
    Parcel parcel = Parcel.obtain();
    File dir = getEmptyDir("testDropBoxEntrySerialization");
    new DropBoxManager.Entry("empty", 1000000).writeToParcel(parcel, 0);
    new DropBoxManager.Entry("string", 2000000, "String Value").writeToParcel(parcel, 0);
    new DropBoxManager.Entry("bytes", 3000000, "Bytes Value".getBytes(), DropBoxManager.IS_TEXT).writeToParcel(parcel, 0);
    new DropBoxManager.Entry("zerobytes", 4000000, new byte[0], 0).writeToParcel(parcel, 0);
    new DropBoxManager.Entry("emptybytes", 5000000, (byte[]) null, DropBoxManager.IS_EMPTY).writeToParcel(parcel, 0);
    try {
        new DropBoxManager.Entry("badbytes", 99999, "Bad Bytes Value".getBytes(), DropBoxManager.IS_EMPTY).writeToParcel(parcel, 0);
        fail("IllegalArgumentException expected for non-null byte[] and IS_EMPTY flags");
    } catch (IllegalArgumentException e) {
    // expected
    }
    try {
        new DropBoxManager.Entry("badbytes", 99999, (byte[]) null, 0).writeToParcel(parcel, 0);
        fail("IllegalArgumentException expected for null byte[] and non-IS_EMPTY flags");
    } catch (IllegalArgumentException e) {
    // expected
    }
    File f = new File(dir, "file.dat");
    FileOutputStream os = new FileOutputStream(f);
    os.write("File Value".getBytes());
    os.close();
    new DropBoxManager.Entry("file", 6000000, f, DropBoxManager.IS_TEXT).writeToParcel(parcel, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
    new DropBoxManager.Entry("binfile", 7000000, f, 0).writeToParcel(parcel, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
    new DropBoxManager.Entry("emptyfile", 8000000, (ParcelFileDescriptor) null, DropBoxManager.IS_EMPTY).writeToParcel(parcel, 0);
    try {
        new DropBoxManager.Entry("badfile", 99999, new File(dir, "nonexist.dat"), 0);
        fail("IOException expected for nonexistent file");
    } catch (IOException e) {
    // expected
    }
    try {
        new DropBoxManager.Entry("badfile", 99999, f, DropBoxManager.IS_EMPTY).writeToParcel(parcel, 0);
        fail("IllegalArgumentException expected for non-null file and IS_EMPTY flags");
    } catch (IllegalArgumentException e) {
    // expected
    }
    try {
        new DropBoxManager.Entry("badfile", 99999, (ParcelFileDescriptor) null, 0);
        fail("IllegalArgumentException expected for null PFD and non-IS_EMPTY flags");
    } catch (IllegalArgumentException e) {
    // expected
    }
    File gz = new File(dir, "file.gz");
    GZIPOutputStream gzout = new GZIPOutputStream(new FileOutputStream(gz));
    gzout.write("Gzip File Value".getBytes());
    gzout.close();
    new DropBoxManager.Entry("gzipfile", 9000000, gz, DropBoxManager.IS_TEXT | DropBoxManager.IS_GZIPPED).writeToParcel(parcel, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
    new DropBoxManager.Entry("gzipbinfile", 10000000, gz, DropBoxManager.IS_GZIPPED).writeToParcel(parcel, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
    //
    // Switch from writing to reading
    //
    parcel.setDataPosition(0);
    DropBoxManager.Entry e;
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("empty", e.getTag());
    assertEquals(1000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_EMPTY, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals(null, e.getInputStream());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("string", e.getTag());
    assertEquals(2000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_TEXT, e.getFlags());
    assertEquals("String Value", e.getText(100));
    assertEquals("String Value", new BufferedReader(new InputStreamReader(e.getInputStream())).readLine());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("bytes", e.getTag());
    assertEquals(3000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_TEXT, e.getFlags());
    assertEquals("Bytes Value", e.getText(100));
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("zerobytes", e.getTag());
    assertEquals(4000000, e.getTimeMillis());
    assertEquals(0, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals(null, new BufferedReader(new InputStreamReader(e.getInputStream())).readLine());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("emptybytes", e.getTag());
    assertEquals(5000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_EMPTY, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals(null, e.getInputStream());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("file", e.getTag());
    assertEquals(6000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_TEXT, e.getFlags());
    assertEquals("File Value", e.getText(100));
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("binfile", e.getTag());
    assertEquals(7000000, e.getTimeMillis());
    assertEquals(0, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals("File Value", new BufferedReader(new InputStreamReader(e.getInputStream())).readLine());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("emptyfile", e.getTag());
    assertEquals(8000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_EMPTY, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals(null, e.getInputStream());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("gzipfile", e.getTag());
    assertEquals(9000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_TEXT, e.getFlags());
    assertEquals("Gzip File Value", e.getText(100));
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("gzipbinfile", e.getTag());
    assertEquals(10000000, e.getTimeMillis());
    assertEquals(0, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals("Gzip File Value", new BufferedReader(new InputStreamReader(e.getInputStream())).readLine());
    e.close();
    assertEquals(0, parcel.dataAvail());
    parcel.recycle();
}