👌 IMPROVE: add SSH port as possible parameter

Signed-off-by: Jonas Sulzer <jonas@violoncello.ch>

README.md

@@ -156,14 +156,14 @@ SSH
 Authenticates users via SSH. You can use any SSH2 server, but it must accept password authentication.
 
 ### Configuration
-The only supported parameter is the hostname of the remote machine.
+The supported parameters are the hostname and the port (default `22`) of the remote machine.
 
 Add the following to your `config.php`:
 
     'user_backends' => array(
         array(
             'class' => 'OC_User_SSH',
-            'arguments' => array('127.0.0.1'),
+            'arguments' => array('127.0.0.1', '22'),
         ),
     ),
 

lib/ssh.php

@@ -16,18 +16,20 @@
  * @link     http://github.com/owncloud/apps
  */
 
- 
+
 class OC_User_SSH extends \OCA\user_external\Base {
 	private $host;
+  private $port;
 
 	/**
 	 * Create a new SSH authentication provider
 	 *
 	 * @param string $host Hostname or IP address of SSH servr
 	 */
-	public function __construct($host) {
+	public function __construct($host, $port = 22) {
 		parent::__construct($host);
-		$this->host =$host;
+		$this->host = $host;
+    $this->port = $port;
 	}
 
 	/**
@@ -40,7 +42,7 @@ class OC_User_SSH extends \OCA\user_external\Base {
 	 * @return true/false
 	 */
 	public function checkPassword($uid, $password) {
-		$connection = ssh2_connect($this->host);
+		$connection = ssh2_connect($this->host, $this->port);
 		if (ssh2_auth_password($connection, $uid, $password)) {
 			$this->storeUser($uid);
 			return $uid;