1 files changed, 61 insertions, 0 deletions
diff --git a/apps/federatedfilesharing/lib/TokenHandler.php b/apps/federatedfilesharing/lib/TokenHandler.php
new file mode 100644
index 00000000000..ec5f73127d6
--- /dev/null
+++ b/apps/federatedfilesharing/lib/TokenHandler.php
@@ -0,0 +1,61 @@
+<?php
+/**
+ * @author Björn Schießle <schiessle@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+
+namespace OCA\FederatedFileSharing;
+
+
+use OCP\Security\ISecureRandom;
+
+/**
+ * Class TokenHandler
+ *
+ * @package OCA\FederatedFileSharing
+ */
+class TokenHandler {
+
+	const TOKEN_LENGTH = 15;
+
+	/** @var ISecureRandom */
+	private $secureRandom;
+
+	/**
+	 * TokenHandler constructor.
+	 *
+	 * @param ISecureRandom $secureRandom
+	 */
+	public function __construct(ISecureRandom $secureRandom) {
+		$this->secureRandom = $secureRandom;
+	}
+
+	/**
+	 * generate to token used to authenticate federated shares
+	 *
+	 * @return string
+	 */
+	public function generateToken() {
+		$token = $this->secureRandom->generate(
+			self::TOKEN_LENGTH,
+			ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_DIGITS);
+		return $token;
+	}
+
+}