Examples with SDSExceptionMappingService ch.cyberduck.core.sds.SDSExceptionMappingService used on opensource projects

Example 1 with SDSExceptionMappingService

use of ch.cyberduck.core.sds.SDSExceptionMappingService in project cyberduck by iterate-ch.

the class TripleCryptReadFeature method read.

@Override
public InputStream read(final Path file, final TransferStatus status, final ConnectionCallback callback) throws BackgroundException {
    try {
        final FileKey key = new NodesApi(session.getClient()).requestUserFileKey(Long.parseLong(nodeid.getVersionId(file, new DisabledListProgressListener())), null, null);
        final EncryptedFileKey encFileKey = TripleCryptConverter.toCryptoEncryptedFileKey(key);
        try {
            final UserKeyPair userKeyPair = this.getUserKeyPair(encFileKey);
            final PlainFileKey plainFileKey = Crypto.decryptFileKey(encFileKey, userKeyPair.getUserPrivateKey(), this.unlock(callback, userKeyPair).getPassword());
            return new TripleCryptDecryptingInputStream(proxy.read(file, status, callback), Crypto.createFileDecryptionCipher(plainFileKey), CryptoUtils.stringToByteArray(plainFileKey.getTag()));
        } catch (InvalidFileKeyException e) {
            log.warn(String.format("Failure %s  decrypting file key for %s. Invalidate cache", e, file));
            session.resetUserKeyPairs();
            final UserKeyPair userKeyPair = this.getUserKeyPair(encFileKey);
            final PlainFileKey plainFileKey = Crypto.decryptFileKey(encFileKey, userKeyPair.getUserPrivateKey(), this.unlock(callback, userKeyPair).getPassword());
            return new TripleCryptDecryptingInputStream(proxy.read(file, status, callback), Crypto.createFileDecryptionCipher(plainFileKey), CryptoUtils.stringToByteArray(plainFileKey.getTag()));
        }
    } catch (ApiException e) {
        throw new SDSExceptionMappingService(nodeid).map("Download {0} failed", e, file);
    } catch (CryptoException e) {
        throw new TripleCryptExceptionMappingService().map("Download {0} failed", e, file);
    }
}