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   1  <?php
   2  
   3  use dokuwiki\Extension\ActionPlugin;
   4  use dokuwiki\Extension\EventHandler;
   5  use dokuwiki\Extension\Event;
   6  
   7  /** DokuWiki Plugin extension (Action Component)
   8   *
   9   * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
  10   * @author  Andreas Gohr <andi@splitbrain.org>
  11   */
  12  class action_plugin_extension extends ActionPlugin
  13  {
  14      /**
  15       * Registers a callback function for a given event
  16       *
  17       * @param EventHandler $controller DokuWiki's event controller object
  18       * @return void
  19       */
  20      public function register(EventHandler $controller)
  21      {
  22          $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'info');
  23      }
  24  
  25      /**
  26       * Create the detail info for a single plugin
  27       *
  28       * @param Event $event
  29       * @param $param
  30       */
  31      public function info(Event $event, $param)
  32      {
  33          global $USERINFO;
  34          global $INPUT;
  35  
  36          if ($event->data != 'plugin_extension') return;
  37          $event->preventDefault();
  38          $event->stopPropagation();
  39  
  40          /** @var admin_plugin_extension $admin */
  41          $admin = plugin_load('admin', 'extension');
  42          if (!$admin->isAccessibleByCurrentUser()) {
  43              http_status(403);
  44              echo 'Forbidden';
  45              exit;
  46          }
  47  
  48          $ext = $INPUT->str('ext');
  49          if (!$ext) {
  50              http_status(400);
  51              echo 'no extension given';
  52              return;
  53          }
  54  
  55          /** @var helper_plugin_extension_extension $extension */
  56          $extension = plugin_load('helper', 'extension_extension');
  57          $extension->setExtension($ext);
  58  
  59          $act = $INPUT->str('act');
  60          switch ($act) {
  61              case 'enable':
  62              case 'disable':
  63                  if (getSecurityToken() != $INPUT->str('sectok')) {
  64                      http_status(403);
  65                      echo 'Security Token did not match. Possible CSRF attack.';
  66                      return;
  67                  }
  68  
  69                  $extension->$act(); //enables/disables
  70                  $reverse = ($act == 'disable') ? 'enable' : 'disable';
  71  
  72                  $return = [
  73                      'state'   => $act . 'd', // isn't English wonderful? :-)
  74                      'reverse' => $reverse,
  75                      'label'   => $extension->getLang('btn_' . $reverse),
  76                  ];
  77  
  78                  header('Content-Type: application/json');
  79                  echo json_encode($return, JSON_THROW_ON_ERROR);
  80                  break;
  81  
  82              case 'info':
  83              default:
  84                  /** @var helper_plugin_extension_list $list */
  85                  $list = plugin_load('helper', 'extension_list');
  86                  header('Content-Type: text/html; charset=utf-8');
  87                  echo $list->makeInfo($extension);
  88          }
  89      }
  90  }