1 files changed, 65 insertions, 0 deletions
diff --git a/apps/files_external/lib/Lib/Auth/PublicKey/RSAPrivateKey.php b/apps/files_external/lib/Lib/Auth/PublicKey/RSAPrivateKey.php
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+++ b/apps/files_external/lib/Lib/Auth/PublicKey/RSAPrivateKey.php
@@ -0,0 +1,65 @@
+<?php
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\Files_External\Lib\Auth\PublicKey;
+
+use \OCP\IL10N;
+use \OCA\Files_External\Lib\DefinitionParameter;
+use \OCA\Files_External\Lib\Auth\AuthMechanism;
+use \OCA\Files_External\Lib\StorageConfig;
+use \OCP\IConfig;
+use OCP\IUser;
+use \phpseclib\Crypt\RSA as RSACrypt;
+
+/**
+ * RSA public key authentication
+ */
+class RSAPrivateKey extends AuthMechanism {
+
+	/** @var IConfig */
+	private $config;
+
+	public function __construct(IL10N $l, IConfig $config) {
+		$this->config = $config;
+
+		$this
+			->setIdentifier('publickey::rsa_private')
+			->setScheme(self::SCHEME_PUBLICKEY)
+			->setText($l->t('RSA private key'))
+			->addParameters([
+				new DefinitionParameter('user', $l->t('Username')),
+				(new DefinitionParameter('password', $l->t('Password')))
+					->setFlag(DefinitionParameter::FLAG_OPTIONAL)
+					->setType(DefinitionParameter::VALUE_PASSWORD),
+				new DefinitionParameter('private_key', $l->t('Private key')),
+			]);
+	}
+
+	public function manipulateStorageConfig(StorageConfig &$storage, IUser $user = null) {
+		$auth = new RSACrypt();
+		$auth->setPassword($this->config->getSystemValue('secret', ''));
+		if (!$auth->loadKey($storage->getBackendOption('private_key'))) {
+			throw new \RuntimeException('unable to load private key');
+		}
+		$storage->setBackendOption('public_key_auth', $auth);
+	}
+}