imap user backend

lib/imap.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+class OC_User_IMAP extends OC_User_Backend{
+	private $mailbox;
+	
+	public function __construct($mailbox){
+		$this->mailbox=$mailbox;
+	}
+	
+	/**
+	 * @brief Check if the password is correct
+	 * @param $uid The username
+	 * @param $password The password
+	 * @returns true/false
+	 *
+	 * Check if the password is correct without logging in the user
+	 */
+	public function checkPassword($uid, $password){
+		$mbox = @imap_open($this->mailbox, $uid, $password);
+		imap_errors();
+		imap_alerts();
+		if($mbox){
+			imap_close($mbox);
+			return $uid;
+		}else{
+			return false;
+		}
+	}
+
+	public function userExists($uid){
+		return true;
+	}
+}
+