public function decrypt(ResourceInterface $resource, BackendInterface $backend, array $options = array())
{
foreach ($resource as $file) {
if (!$file->isCrypted()) {
$file->setSourceFile($file->getTargetFile());
}
}
$files = $resource->getEncryptedPaths();
$io = $backend->getIo();
$metadata = $backend->getMetadata();
$defaultArguments = $this->getDefaultArguments(isset($options['write']) ? $options['write'] : false, $io->isVerbose());
if (!$metadata->asymmetric) {
$isOk = false;
while (!$isOk) {
$passphrase = $io->askHiddenResponse('Enter passphrase: ');
$command = sprintf('gpg --no-use-agent %s --passphrase "%s" --decrypt-files %s', $defaultArguments, $passphrase, implode(' ', $files));
try {
$this->exec($io, 'Decrypt files', $command, null, false);
$isOk = true;
} catch (\Exception $e) {
}
}
} else {
$command = sprintf('gpg %s --decrypt-files %s', $defaultArguments, implode(' ', $files));
$this->exec($io, 'Decrypt files', $command);
}
if (isset($options['write']) && $options['write']) {
$resource->readTargetContent();
}
return $resource;
}
/**
* {@inheritdoc}
*/
public function decrypt(ResourceInterface $resource, BackendInterface $backend, array $options = array())
{
$processed = false;
$metadata = $backend->getMetadata();
while (!$processed) {
if ($metadata->needsPassphrase) {
$metadata->passphrase = $backend->getIo()->askHiddenResponse('Enter passphrase: ');
} else {
// there is no way of misstyping, retry will make a infinite loop.
$processed = true;
}
if (!$resource->isCrypted()) {
$resource->setSourceFile($resource->getTargetFile());
}
$cipher = new Cipher();
try {
$resource->setTargetContent($cipher->decrypt($resource->getSourceContent(), $metadata));
$processed = true;
} catch (\Exception $e) {
throw new BadCredentialsException('Bad credentials');
}
}
return $resource;
}
