--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/autologon/autologon.php	Thu Jan 04 15:50:29 2018 -0500
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * Sample plugin to try out some hooks.
+ * This performs an automatic login if accessed from localhost
+ *
+ * @license GNU GPLv3+
+ * @author Thomas Bruederli
+ */
+class autologon extends rcube_plugin
+{
+  public $task = 'login';
+
+  function init()
+  {
+    $this->add_hook('startup', array($this, 'startup'));
+    $this->add_hook('authenticate', array($this, 'authenticate'));
+  }
+
+  function startup($args)
+  {
+    // change action to login
+    if (empty($_SESSION['user_id']) && !empty($_GET['_autologin']) && $this->is_localhost())
+      $args['action'] = 'login';
+
+    return $args;
+  }
+
+  function authenticate($args)
+  {
+    if (!empty($_GET['_autologin']) && $this->is_localhost()) {
+      $args['user'] = 'me';
+      $args['pass'] = '******';
+      $args['host'] = 'localhost';
+      $args['cookiecheck'] = false;
+      $args['valid'] = true;
+    }
+
+    return $args;
+  }
+
+  function is_localhost()
+  {
+    return $_SERVER['REMOTE_ADDR'] == '::1' || $_SERVER['REMOTE_ADDR'] == '127.0.0.1';
+  }
+
+}
+