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vendor/ezyang/htmlpurifier/plugins/phorum/settings/migrate-sigs.php 2.87 KB
70f4f18b   Administrator   first_commit
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  <?php
  
  function phorum_htmlpurifier_migrate_sigs_check()
  {
      global $PHORUM;
      $offset = 0;
      if (!empty($_POST['migrate-sigs'])) {
          if (!isset($_POST['confirmation']) || strtolower($_POST['confirmation']) !== 'yes') {
              echo 'Invalid confirmation code.';
              exit;
          }
          $PHORUM['mod_htmlpurifier']['migrate-sigs'] = true;
          phorum_db_update_settings(array("mod_htmlpurifier"=>$PHORUM["mod_htmlpurifier"]));
          $offset = 1;
      } elseif (!empty($_GET['migrate-sigs']) && $PHORUM['mod_htmlpurifier']['migrate-sigs']) {
          $offset = (int) $_GET['migrate-sigs'];
      }
      return $offset;
  }
  
  function phorum_htmlpurifier_migrate_sigs($offset)
  {
      global $PHORUM;
  
      if(!$offset) return; // bail out quick if $offset == 0
  
      // theoretically, we could get rid of this multi-request
      // doo-hickery if safe mode is off
      @set_time_limit(0); // attempt to let this run
      $increment = $PHORUM['mod_htmlpurifier']['migrate-sigs-increment'];
  
      require_once(dirname(__FILE__) . '/../migrate.php');
      // migrate signatures
      // do this in batches so we don't run out of time/space
      $end = $offset + $increment;
      $user_ids = array();
      for ($i = $offset; $i < $end; $i++) {
          $user_ids[] = $i;
      }
      $userinfos = phorum_db_user_get_fields($user_ids, 'signature');
      foreach ($userinfos as $i => $user) {
          if (empty($user['signature'])) continue;
          $sig = $user['signature'];
          // perform standard Phorum processing on the sig
          $sig = str_replace(array("&","<",">"), array("&amp;","&lt;","&gt;"), $sig);
          $sig = preg_replace("/<((http|https|ftp):\/\/[a-z0-9;\/\?:@=\&\$\-_\.\+!*'\(\),~%]+?)>/i", "$1", $sig);
          // prepare fake data to pass to migration function
          $fake_data = array(array("author"=>"", "email"=>"", "subject"=>"", 'body' => $sig));
          list($fake_message) = phorum_htmlpurifier_migrate($fake_data);
          $user['signature'] = $fake_message['body'];
          if (!phorum_api_user_save($user)) {
              exit('Error while saving user data');
          }
      }
      unset($userinfos); // free up memory
  
      // query for highest ID in database
      $type = $PHORUM['DBCONFIG']['type'];
      $sql = "select MAX(user_id) from {$PHORUM['user_table']}";
      $row = phorum_db_interact(DB_RETURN_ROW, $sql);
      $top_id = (int) $row[0];
  
      $offset += $increment;
      if ($offset > $top_id) { // test for end condition
          echo 'Migration finished';
          $PHORUM['mod_htmlpurifier']['migrate-sigs'] = false;
          phorum_htmlpurifier_commit_settings();
          return true;
      }
      $host  = $_SERVER['HTTP_HOST'];
      $uri   = rtrim(dirname($_SERVER['PHP_SELF']), '/\\');
      $extra = 'admin.php?module=modsettings&mod=htmlpurifier&migrate-sigs=' . $offset;
      // relies on output buffering to work
      header("Location: http://$host$uri/$extra");
      exit;
  
  }
  
  // vim: et sw=4 sts=4