/**
* 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>";
}