Beispiel #1
0
 /**
  * Handles a [url] tag. Creates a link to another web page.
  *
  * @param	string	If tag has option, the displayable name. Else, the URL.
  * @param	string	If tag has option, the URL.
  * @param	bool	If this is for an image, just return the link
  *
  * @return	string	HTML representation of the tag.
  */
 function handle_bbcode_url($text, $link, $image = false)
 {
     $rightlink = trim($link);
     if (empty($rightlink)) {
         // no option -- use param
         $rightlink = trim($text);
     }
     $rightlink = str_replace(array('`', '"', "'", '['), array('`', '"', ''', '['), $this->stripSmilies($rightlink));
     // remove double spaces -- fixes issues with wordwrap
     $rightlink = str_replace('  ', '', $rightlink);
     if (!preg_match('#^[a-z0-9]+(?<!about|javascript|vbscript|data):#si', $rightlink)) {
         $rightlink = "http://{$rightlink}";
     }
     if (!trim($link) or str_replace('  ', '', $text) == $rightlink) {
         $tmp = vB5_String::unHtmlSpecialChars($rightlink);
         if (vB_String::vbStrlen($tmp) > 55 and $this->isWysiwyg() == false) {
             $text = vB5_String::htmlSpecialCharsUni(vB5_String::vbChop($tmp, 36) . '...' . substr($tmp, -14));
         } else {
             // under the 55 chars length, don't wordwrap this
             $text = str_replace('  ', '', $text);
         }
     }
     static $current_url, $current_host, $allowed, $friendlyurls = array();
     if (!isset($current_url)) {
         $current_url = @vB5_String::parseUrl(self::$bbUrl);
     }
     $is_external = self::$urlNoFollow;
     if (self::$urlNoFollow) {
         if (!isset($current_host)) {
             $current_host = preg_replace('#:(\\d)+$#', '', self::$vBHttpHost);
             $allowed = preg_split('#\\s+#', self::$urlNoFollowWhiteList, -1, PREG_SPLIT_NO_EMPTY);
             $allowed[] = preg_replace('#^www\\.#i', '', $current_host);
             $allowed[] = preg_replace('#^www\\.#i', '', $current_url['host']);
         }
         $target_url = preg_replace('#^([a-z0-9]+:(//)?)#', '', $rightlink);
         foreach ($allowed as $host) {
             if (vB5_String::stripos($target_url, $host) !== false) {
                 $is_external = false;
             }
         }
     }
     if ($image) {
         return array('link' => $rightlink, 'nofollow' => $is_external);
     }
     // standard URL hyperlink
     return "<a href=\"{$rightlink}\" target=\"_blank\"" . ($is_external ? ' rel="nofollow"' : '') . ">{$text}</a>";
 }