Examples with FileNotFoundException java.io.FileNotFoundException used on opensource projects

Example 61 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class LockSettingsService method setLockPatternInternal.

private void setLockPatternInternal(String pattern, String savedCredential, int userId) throws RemoteException {
    byte[] currentHandle = getCurrentHandle(userId);
    if (pattern == null) {
        clearUserKeyProtection(userId);
        getGateKeeperService().clearSecureUserId(userId);
        mStorage.writePatternHash(null, userId);
        setKeystorePassword(null, userId);
        fixateNewestUserKeyAuth(userId);
        onUserLockChanged(userId);
        return;
    }
    if (isManagedProfileWithUnifiedLock(userId)) {
        // get credential from keystore when managed profile has unified lock
        try {
            savedCredential = getDecryptedPasswordForTiedProfile(userId);
        } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException | NoSuchAlgorithmException | NoSuchPaddingException | InvalidAlgorithmParameterException | IllegalBlockSizeException | BadPaddingException | CertificateException | IOException e) {
            if (e instanceof FileNotFoundException) {
                Slog.i(TAG, "Child profile key not found");
            } else {
                Slog.e(TAG, "Failed to decrypt child profile key", e);
            }
        }
    } else {
        if (currentHandle == null) {
            if (savedCredential != null) {
                Slog.w(TAG, "Saved credential provided, but none stored");
            }
            savedCredential = null;
        }
    }
    byte[] enrolledHandle = enrollCredential(currentHandle, savedCredential, pattern, userId);
    if (enrolledHandle != null) {
        CredentialHash willStore = new CredentialHash(enrolledHandle, CredentialHash.VERSION_GATEKEEPER);
        setUserKeyProtection(userId, pattern, doVerifyPattern(pattern, willStore, true, 0, userId, null));
        mStorage.writePatternHash(enrolledHandle, userId);
        fixateNewestUserKeyAuth(userId);
        onUserLockChanged(userId);
    } else {
        throw new RemoteException("Failed to enroll pattern");
    }
}

Example 62 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class PersistentDataStore method load.

private void load() {
    clearState();
    final InputStream is;
    try {
        is = mAtomicFile.openRead();
    } catch (FileNotFoundException ex) {
        return;
    }
    XmlPullParser parser;
    try {
        parser = Xml.newPullParser();
        parser.setInput(new BufferedInputStream(is), StandardCharsets.UTF_8.name());
        loadFromXml(parser);
    } catch (IOException ex) {
        Slog.w(TAG, "Failed to load display manager persistent store data.", ex);
        clearState();
    } catch (XmlPullParserException ex) {
        Slog.w(TAG, "Failed to load display manager persistent store data.", ex);
        clearState();
    } finally {
        IoUtils.closeQuietly(is);
    }
}

Example 63 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class NetworkStatsCollection method readLegacyUid.

@Deprecated
public void readLegacyUid(File file, boolean onlyTags) throws IOException {
    final AtomicFile inputFile = new AtomicFile(file);
    DataInputStream in = null;
    try {
        in = new DataInputStream(new BufferedInputStream(inputFile.openRead()));
        // verify file magic header intact
        final int magic = in.readInt();
        if (magic != FILE_MAGIC) {
            throw new ProtocolException("unexpected magic: " + magic);
        }
        final int version = in.readInt();
        switch(version) {
            case VERSION_UID_INIT:
                {
                    // mapping into NetworkIdentitySet.
                    break;
                }
            case VERSION_UID_WITH_IDENT:
                {
                    // for a short time.
                    break;
                }
            case VERSION_UID_WITH_TAG:
            case VERSION_UID_WITH_SET:
                {
                    // uid := size *(NetworkIdentitySet size *(uid set tag NetworkStatsHistory))
                    final int identSize = in.readInt();
                    for (int i = 0; i < identSize; i++) {
                        final NetworkIdentitySet ident = new NetworkIdentitySet(in);
                        final int size = in.readInt();
                        for (int j = 0; j < size; j++) {
                            final int uid = in.readInt();
                            final int set = (version >= VERSION_UID_WITH_SET) ? in.readInt() : SET_DEFAULT;
                            final int tag = in.readInt();
                            final Key key = new Key(ident, uid, set, tag);
                            final NetworkStatsHistory history = new NetworkStatsHistory(in);
                            if ((tag == TAG_NONE) != onlyTags) {
                                recordHistory(key, history);
                            }
                        }
                    }
                    break;
                }
            default:
                {
                    throw new ProtocolException("unexpected version: " + version);
                }
        }
    } catch (FileNotFoundException e) {
    // missing stats is okay, probably first boot
    } finally {
        IoUtils.closeQuietly(in);
    }
}

Example 64 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class NetworkStatsCollection method readLegacyNetwork.

@Deprecated
public void readLegacyNetwork(File file) throws IOException {
    final AtomicFile inputFile = new AtomicFile(file);
    DataInputStream in = null;
    try {
        in = new DataInputStream(new BufferedInputStream(inputFile.openRead()));
        // verify file magic header intact
        final int magic = in.readInt();
        if (magic != FILE_MAGIC) {
            throw new ProtocolException("unexpected magic: " + magic);
        }
        final int version = in.readInt();
        switch(version) {
            case VERSION_NETWORK_INIT:
                {
                    // network := size *(NetworkIdentitySet NetworkStatsHistory)
                    final int size = in.readInt();
                    for (int i = 0; i < size; i++) {
                        final NetworkIdentitySet ident = new NetworkIdentitySet(in);
                        final NetworkStatsHistory history = new NetworkStatsHistory(in);
                        final Key key = new Key(ident, UID_ALL, SET_ALL, TAG_NONE);
                        recordHistory(key, history);
                    }
                    break;
                }
            default:
                {
                    throw new ProtocolException("unexpected version: " + version);
                }
        }
    } catch (FileNotFoundException e) {
    // missing stats is okay, probably first boot
    } finally {
        IoUtils.closeQuietly(in);
    }
}

Example 65 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class UserManagerService method getUserIcon.

@Override
public ParcelFileDescriptor getUserIcon(int targetUserId) {
    String iconPath;
    synchronized (mPackagesLock) {
        UserInfo targetUserInfo = getUserInfoNoChecks(targetUserId);
        if (targetUserInfo == null || targetUserInfo.partial) {
            Slog.w(LOG_TAG, "getUserIcon: unknown user #" + targetUserId);
            return null;
        }
        final int callingUserId = UserHandle.getCallingUserId();
        final int callingGroupId = getUserInfoNoChecks(callingUserId).profileGroupId;
        final int targetGroupId = targetUserInfo.profileGroupId;
        final boolean sameGroup = (callingGroupId != UserInfo.NO_PROFILE_GROUP_ID && callingGroupId == targetGroupId);
        if ((callingUserId != targetUserId) && !sameGroup) {
            checkManageUsersPermission("get the icon of a user who is not related");
        }
        if (targetUserInfo.iconPath == null) {
            return null;
        }
        iconPath = targetUserInfo.iconPath;
    }
    try {
        return ParcelFileDescriptor.open(new File(iconPath), ParcelFileDescriptor.MODE_READ_ONLY);
    } catch (FileNotFoundException e) {
        Log.e(LOG_TAG, "Couldn't find icon file", e);
    }
    return null;
}