/**
* Resolves URL to the format appropriate for widget mode
*
* @param string $url URL
*/
public static function resolveUrl($url)
{
$url = str_replace('&', '&', $url);
if (parse_url($url, PHP_URL_SCHEME) == '' && strpos($url, '//') !== 0) {
$url = Url::resolve($url, Registry::get('config.current_location'));
}
$path = Registry::get('config.current_host') . Registry::get('config.current_path');
if (false !== ($pos = strpos($url, $path))) {
$query = urlencode(substr($url, $pos + strlen($path)));
$params = self::getParams();
if (!empty($params['fb_app_id']) && !empty($params['fb_page_id'])) {
$url = sprintf("https://www.facebook.com/pages/~/%s?sk=app_%s&app_data=%s", $params['fb_page_id'], $params['fb_app_id'], $query);
} else {
$url = self::getUrl() . "#!{$query}";
}
}
return $url;
}
/**
* Output filter: Transforms URLs to the appropriate format for the embedded mode
* @param string $content template content
* @param \Smarty_Internal_Template $template template instance
* @return string template content
*/
public static function outputEmbeddedUrl($content, \Smarty_Internal_Template $template)
{
$path = Registry::get('config.current_host') . Registry::get('config.current_path');
// Transform 'href' attribute values of the 'a' elements, which:
// - have 'href' attribute
// - the 'href' value contains current path and host, or its a relative url
// - do not have class attribute starting with 'cm-' prefix
$pattern = '{' . '<(?:a)\\s+' . '(?=[^>]*\\bhref="([^"]*//' . $path . '[^"]*|(?!//)(?!https?)[^"]*)")' . '(?![^>]*\\bclass="[^"]*cm-[^"]*")' . '[^>]*>' . '}Usi';
$content = preg_replace_callback($pattern, function ($matches) {
return str_replace($matches[1], Embedded::resolveUrl($matches[1]), $matches[0]);
}, $content);
// Transform relative 'src'attribute values
$pattern = '{<[^>]+\\bsrc="((?!//)(?!https?)[^"]+)"[^>]*>}Usi';
$content = preg_replace_callback($pattern, function ($matches) {
return str_replace($matches[1], Url::resolve($matches[1], Registry::get('config.current_location')), $matches[0]);
}, $content);
$area = Registry::get('view')->getArea();
if ($area[1] == 'mail') {
// Transform URLs in the text
$pattern = '{\\bhttps?://' . $path . '[^\\s<>"\']*(?=[^>]*<)}s';
$content = preg_replace_callback($pattern, function ($matches) {
return Embedded::resolveUrl($matches[0]);
}, $content);
}
return $content;
}
