/**
* 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.
*
* @return string HTML representation of the tag.
*/
function handle_bbcode_url($text, $link)
{
$rightlink = trim($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) {
$tmp = vB_String::unHtmlSpecialChars($rightlink);
if (vB_String::vbStrlen($tmp) > 55 and $this->isWysiwyg() == false) {
$text = vB_String::htmlSpecialCharsUni(vB_String::vbChop($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)) {
$current_url = @vB_String::parseUrl(self::$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 $host) {
if (vB_String::stripos($target_url, $host) !== false) {
$is_external = false;
}
}
}
// standard URL hyperlink
return "<a href=\"{$rightlink}\" target=\"_blank\"" . ($is_external ? ' rel="nofollow"' : '') . ">{$text}</a>";
}
/**
* Create a url XML text block for one URL
*
* @param string The URL (not encoded) to add to the sitemap
* @param int The unix timestamp of the last modifictaion time of the data in UTC
* @param double The priority of the data from 0.1 to 1.0
* @param boolean Enable formatting of the output
*
* @return string Formatted escaped <url> wrapped text
*/
protected function url_block($url, $lastmod, $pri = false, $formatting = false)
{
$l = "\n" . ($formatting ? "\t\t" : '');
// Start block
$data .= "\n" . ($formatting ? "\t" : '') . '<url>';
$url = $url;
$data .= $l . '<loc>' . htmlspecialchars_uni(vB_String::vbChop($url, 2048)) . '</loc>';
//if we have a null or 0 lastmod let's not publish a bogus date.
//also skip the change frequency. These are optional and the default behavior of
//the search engine is preferable to bad data
if ($lastmod) {
$data .= $l . '<lastmod>' . htmlspecialchars_uni(gmdate(DATE_W3C, $lastmod)) . '</lastmod>';
$changefreq = '';
if ($lastmod + 600 >= vB::getRequest()->getTimeNow()) {
$changefreq = 'always';
} else {
if ($lastmod + 3600 >= vB::getRequest()->getTimeNow()) {
$changefreq = 'hourly';
} else {
if ($lastmod + 86400 >= vB::getRequest()->getTimeNow()) {
$changefreq = 'daily';
} else {
if ($lastmod + 604800 >= vB::getRequest()->getTimeNow()) {
$changefreq = 'weekly';
} else {
if ($lastmod + 2629743 >= vB::getRequest()->getTimeNow()) {
$changefreq = 'monthly';
} else {
$changefreq = 'yearly';
}
}
}
}
}
$data .= $l . '<changefreq>' . $changefreq . '</changefreq>';
}
if ($pri !== false) {
$data .= $l . '<priority>' . floatval($pri) . '</priority>';
}
$data .= "\n" . ($formatting ? "\t" : '') . '</url>';
return $data;
}
