Examples with FileMetadata org.c02e.jpgpj.FileMetadata used on opensource projects

Example 1 with FileMetadata

use of org.c02e.jpgpj.FileMetadata in project keywhiz by square.

the class BackupResource method backup.

/**
 * Backup all secrets for a given group. Returns an encrypted encrypted to
 * the backup key in the main configuration file. Only accessible to automation clients.
 *
 * @param name Group name
 *
 * @return Encrypted archive
 */
@Timed
@ExceptionMetered
@GET
@Path("{key}/group/{group}")
@Produces(APPLICATION_OCTET_STREAM)
public byte[] backup(@Auth AutomationClient automationClient, @PathParam("group") String name, @PathParam("key") String key) {
    if (config.getBackupExportKey(key) == null) {
        throw new NotFoundException("Unknown key: " + key);
    }
    Optional<Group> groupOptional = groupDAO.getGroup(name);
    if (!groupOptional.isPresent()) {
        throw new NotFoundException("Unknown group: " + name);
    }
    Group group = groupOptional.get();
    // SecretDeliveryResponse is the same data a client receives when requesting a secret,
    // so it should have all the relevant information we need (including content, checksum).
    List<SecretDeliveryResponse> secrets = secretController.getSecretsForGroup(group).stream().map(SecretDeliveryResponse::fromSecret).collect(toList());
    String serialized;
    try {
        serialized = objectMapper.writeValueAsString(secrets);
    } catch (JsonProcessingException e) {
        // This should never happen
        logger.error("Unable to backup secrets", e);
        throw new InternalServerErrorException("Unable to backup secrets, check logs for details");
    }
    // Record all checksums of backed up/exported secrets so we can uniquely identify which
    // particular contents were returned in the response from inspection of the audit log.
    Map<String, String> auditInfo = secrets.stream().collect(toMap(SecretDeliveryResponse::getName, SecretDeliveryResponse::getChecksum));
    // Record audit event
    auditLog.recordEvent(new Event(now(), GROUP_BACKUP, automationClient.getName(), group.getName(), auditInfo));
    // Perform encryption & return encrypted data
    try {
        Key exportKey = new Key(config.getBackupExportKey(key));
        Encryptor encryptor = new Encryptor(exportKey);
        encryptor.setEncryptionAlgorithm(AES256);
        encryptor.setSigningAlgorithm(Unsigned);
        encryptor.setCompressionAlgorithm(ZIP);
        ByteArrayInputStream plaintext = new ByteArrayInputStream(serialized.getBytes(UTF_8));
        ByteArrayOutputStream ciphertext = new ByteArrayOutputStream();
        encryptor.encrypt(plaintext, ciphertext, new FileMetadata(format("%s.json", group), UTF8));
        return ciphertext.toByteArray();
    } catch (PGPException | IOException e) {
        logger.error("Unable to backup secrets", e);
        throw new InternalServerErrorException("Unable to backup secrets, check logs for details");
    }
}