1 files changed, 114 insertions, 0 deletions
diff --git a/apps/encryption/lib/session.php b/apps/encryption/lib/session.php
new file mode 100644
index 00000000000..e705611fa6e
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+++ b/apps/encryption/lib/session.php
@@ -0,0 +1,114 @@
+<?php
+
+/**
+ * ownCloud
+ *
+ * @copyright (C) 2015 ownCloud, Inc.
+ *
+ * @author Bjoern Schiessle <schiessle@owncloud.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OCA\Encryption;
+
+use \OCP\ISession;
+
+class Session {
+
+	/** @var ISession */
+	protected $session;
+
+	const NOT_INITIALIZED = '0';
+	const INIT_EXECUTED = '1';
+	const INIT_SUCCESSFUL = '2';
+
+	public function __construct(ISession $session) {
+		$this->session = $session;
+	}
+
+	/**
+	 * Sets status of encryption app
+	 *
+	 * @param string $status INIT_SUCCESSFUL, INIT_EXECUTED, NOT_INITIALIZED
+	 */
+	public function setStatus($status) {
+		$this->session->set('encryptionInitialized', $status);
+	}
+
+	/**
+	 * Gets status if we already tried to initialize the encryption app
+	 *
+	 * @return string init status INIT_SUCCESSFUL, INIT_EXECUTED, NOT_INITIALIZED
+	 */
+	public function getStatus() {
+		$status = $this->session->get('encryptionInitialized');
+		if (is_null($status)) {
+			$status = self::NOT_INITIALIZED;
+		}
+
+		return $status;
+	}
+
+	/**
+	 * Gets user or public share private key from session
+	 *
+	 * @return string $privateKey The user's plaintext private key
+	 * @throws Exceptions\PrivateKeyMissingException
+	 */
+	public function getPrivateKey() {
+		$key = $this->session->get('privateKey');
+		if (is_null($key)) {
+			throw new Exceptions\PrivateKeyMissingException('please try to log-out and log-in again', 0);
+		}
+		return $key;
+	}
+
+	/**
+	 * check if private key is set
+	 *
+	 * @return boolean
+	 */
+	public function isPrivateKeySet() {
+		$key = $this->session->get('privateKey');
+		if (is_null($key)) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Sets user private key to session
+	 *
+	 * @param string $key users private key
+	 *
+	 * @note this should only be set on login
+	 */
+	public function setPrivateKey($key) {
+		$this->session->set('privateKey', $key);
+	}
+
+
+	/**
+	 * remove keys from session
+	 */
+	public function clear() {
+		$this->session->remove('publicSharePrivateKey');
+		$this->session->remove('privateKey');
+		$this->session->remove('encryptionInitialized');
+
+	}
+
+}