Add telnet based authentication.

Continue authentication rewrite. Use abstract class with factory instanciation.

1 files changed, 58 insertions, 0 deletions

diff --git a/auth/authentication.php b/auth/authentication.php
new file mode 100644
index 0000000..1ec3cb1
--- /dev/null
+++ b/auth/authentication.php
@@ -0,0 +1,58 @@
+<?php
+
+/*
+ * Looking Glass - An easy to deploy Looking Glass
+ * Copyright (C) 2014 Guillaume Mazoyer <gmazoyer@gravitons.in>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ */
+
+require_once 'ssh.php';
+require_once 'telnet.php';
+
+abstract class Authentication {
+  protected $config;
+
+  public function __construct($config) {
+    $this->config = $config;
+    $this->check_config();
+  }
+
+  protected abstract function check_config();
+  public abstract function connect();
+  public abstract function disconnect();
+  public abstract function send_command($command);
+
+  public function __destruct() {
+    $this->disconnect();
+  }
+
+  public static final function instance($config) {
+    switch ($config['auth']) {
+      case 'ssh-password':
+      case 'ssh-key':
+        return new SSH($config);
+
+      case 'telnet':
+        return new Telnet($config);
+
+      default:
+        'Unknown authentication mecanism "'.$config['auth'].'"."';
+        return null;
+    }
+  }
+}
+
+// End of authentication.php