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