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   1  <?php
   2  
   3  use dokuwiki\Extension\ActionPlugin;
   4  use dokuwiki\Extension\EventHandler;
   5  use dokuwiki\Extension\Event;
   6  
   7  /**
   8   * DokuWiki Plugin safefnrecode (Action Component)
   9   *
  10   * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
  11   * @author  Andreas Gohr <andi@splitbrain.org>
  12   */
  13  class action_plugin_safefnrecode extends ActionPlugin
  14  {
  15      /** @inheritdoc */
  16      public function register(EventHandler $controller)
  17      {
  18          $controller->register_hook('INDEXER_TASKS_RUN', 'BEFORE', $this, 'handleIndexerTasksRun');
  19      }
  20  
  21      /**
  22       * Handle indexer event
  23       *
  24       * @param Event $event
  25       * @param $param
  26       */
  27      public function handleIndexerTasksRun(Event $event, $param)
  28      {
  29          global $conf;
  30          if ($conf['fnencode'] != 'safe') return;
  31  
  32          if (!file_exists($conf['datadir'] . '_safefn.recoded')) {
  33              $this->recode($conf['datadir']);
  34              touch($conf['datadir'] . '_safefn.recoded');
  35          }
  36  
  37          if (!file_exists($conf['olddir'] . '_safefn.recoded')) {
  38              $this->recode($conf['olddir']);
  39              touch($conf['olddir'] . '_safefn.recoded');
  40          }
  41  
  42          if (!file_exists($conf['metadir'] . '_safefn.recoded')) {
  43              $this->recode($conf['metadir']);
  44              touch($conf['metadir'] . '_safefn.recoded');
  45          }
  46  
  47          if (!file_exists($conf['mediadir'] . '_safefn.recoded')) {
  48              $this->recode($conf['mediadir']);
  49              touch($conf['mediadir'] . '_safefn.recoded');
  50          }
  51      }
  52  
  53      /**
  54       * Recursive function to rename all safe encoded files to use the new
  55       * square bracket post indicator
  56       */
  57      private function recode($dir)
  58      {
  59          $dh = opendir($dir);
  60          if (!$dh) return;
  61          while (($file = readdir($dh)) !== false) {
  62              if ($file == '.' || $file == '..') continue;           # cur and upper dir
  63              if (is_dir("$dir/$file")) $this->recode("$dir/$file"); #recurse
  64              if (strpos($file, '%') === false) continue;             # no encoding used
  65              $new = preg_replace('/(%[^\]]*?)\./', '\1]', $file);    # new post indicator
  66              if (preg_match('/%[^\]]+$/', $new)) $new .= ']';        # fix end FS#2122
  67              rename("$dir/$file", "$dir/$new");                     # rename it
  68          }
  69          closedir($dh);
  70      }
  71  }