lib/plugins/authad/action.php

   1 <?php
   2
   3 use dokuwiki\Extension\ActionPlugin;
   4 use dokuwiki\Extension\EventHandler;
   5 use dokuwiki\Extension\Event;
   6
   7 /**
   8  * DokuWiki Plugin addomain (Action Component)
   9  *
  10  * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
  11  * @author  Andreas Gohr <gohr@cosmocode.de>
  12  */
  13
  14 /**
  15  * Class action_plugin_addomain
  16  */
  17 class action_plugin_authad extends ActionPlugin
  18 {
  19     /**
  20      * Registers a callback function for a given event
  21      */
  22     public function register(EventHandler $controller)
  23     {
  24         $controller->register_hook('AUTH_LOGIN_CHECK', 'BEFORE', $this, 'handleAuthLoginCheck');
  25         $controller->register_hook('FORM_LOGIN_OUTPUT', 'BEFORE', $this, 'handleFormLoginOutput');
  26     }
  27
  28     /**
  29      * Adds the selected domain as user postfix when attempting a login
  30      *
  31      * @param Event $event
  32      * @param array      $param
  33      */
  34     public function handleAuthLoginCheck(Event $event, $param)
  35     {
  36         global $INPUT;
  37
  38         /** @var auth_plugin_authad $auth */
  39         global $auth;
  40         if (!is_a($auth, 'auth_plugin_authad')) return; // AD not even used
  41
  42         if ($INPUT->str('dom')) {
  43             $usr = $auth->cleanUser($event->data['user']);
  44             $dom = $auth->getUserDomain($usr);
  45             if (!$dom) {
  46                 $usr = "$usr@" . $INPUT->str('dom');
  47             }
  48             $INPUT->post->set('u', $usr);
  49             $event->data['user'] = $usr;
  50         }
  51     }
  52
  53     /**
  54      * Shows a domain selection in the login form when more than one domain is configured
  55      *
  56      * @param Event $event
  57      * @param array      $param
  58      */
  59     public function handleFormLoginOutput(Event $event, $param)
  60     {
  61         global $INPUT;
  62         /** @var auth_plugin_authad $auth */
  63         global $auth;
  64         if (!is_a($auth, 'auth_plugin_authad')) return; // AD not even used
  65         $domains = $auth->getConfiguredDomains();
  66         if (count($domains) <= 1) return; // no choice at all
  67
  68         /** @var dokuwiki\Form\Form $form */
  69         $form =& $event->data;
  70
  71         // find the username input box
  72         $pos = $form->findPositionByAttribute('name', 'u');
  73         if ($pos === false) return;
  74
  75         // any default?
  76         if ($INPUT->has('u')) {
  77             $usr = $auth->cleanUser($INPUT->str('u'));
  78             $dom = $auth->getUserDomain($usr);
  79
  80             // update user field value
  81             if ($dom) {
  82                 $usr = $auth->getUserName($usr);
  83                 $element = $form->getElementAt($pos);
  84                 $element->val($usr);
  85             }
  86         }
  87
  88         // add locate domain selector just after the username input box
  89         $element = $form->addDropdown('dom', $domains, $this->getLang('domain'), $pos + 1);
  90         $element->addClass('block');
  91     }
  92 }
  93
  94 // vim:ts=4:sw=4:et: