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<?php
/**
* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Files_External\Lib\Auth\PublicKey;
use OCA\Files_External\Lib\Auth\AuthMechanism;
use OCA\Files_External\Lib\DefinitionParameter;
use OCA\Files_External\Lib\StorageConfig;
use OCP\IConfig;
use OCP\IL10N;
use OCP\IUser;
use phpseclib\Crypt\RSA as RSACrypt;
/**
* RSA public key authentication
*/
class RSAPrivateKey extends AuthMechanism {
public function __construct(
IL10N $l,
private IConfig $config,
) {
$this
->setIdentifier('publickey::rsa_private')
->setScheme(self::SCHEME_PUBLICKEY)
->setText($l->t('RSA private key'))
->addParameters([
new DefinitionParameter('user', $l->t('Login')),
(new DefinitionParameter('password', $l->t('Password')))
->setFlag(DefinitionParameter::FLAG_OPTIONAL)
->setType(DefinitionParameter::VALUE_PASSWORD),
new DefinitionParameter('private_key', $l->t('Private key')),
]);
}
/**
* @return void
*/
public function manipulateStorageConfig(StorageConfig &$storage, ?IUser $user = null) {
$auth = new RSACrypt();
$auth->setPassword($this->config->getSystemValue('secret', ''));
if (!$auth->loadKey($storage->getBackendOption('private_key'))) {
// Add fallback routine for a time where secret was not enforced to be exists
$auth->setPassword('');
if (!$auth->loadKey($storage->getBackendOption('private_key'))) {
throw new \RuntimeException('unable to load private key');
}
}
$storage->setBackendOption('public_key_auth', $auth);
}
}
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