$cfg->set('Attr.AllowedRel', ['bookmark', 'directory', 'enclosure', 'home', 'license', 'nofollow', 'payment', 'tag']); // http://microformats.org/wiki/rel
$cfg->set('HTML.ForbiddenAttributes', array('style')); // id, on* etc. are already filtered by default
$cfg->set('URI.AllowedSchemes', array_fill_keys(common_url_schemes(), true));
+ if (common_config('cache', 'dir')) {
+ $cfg->set('Cache.SerializerPath', common_config('cache', 'dir'));
+ }
// Remove more elements than what the default filter removes, default in GNU social are remotely
// linked resources such as img, video, audio
function common_valid_http_url($url, $secure=false)
{
+ if (empty($url)) {
+ return false;
+ }
+
// If $secure is true, only allow https URLs to pass
// (if false, we use '?' in 'https?' to say the 's' is optional)
$regex = $secure ? '/^https$/' : '/^https?$/';