/**
* Get the identifier URI for the remote entity described
* by this ActivityObject. This URI is *not* guaranteed to be
* a resolvable HTTP/HTTPS URL.
*
* @param ActivityObject $object
* @return string
* @throws ServerException if feed info invalid
*/
protected static function getActivityObjectProfileURI(ActivityObject $object)
{
if ($object->id) {
if (ActivityUtils::validateUri($object->id)) {
return $object->id;
}
}
// If the id is missing or invalid (we've seen feeds mistakenly listing
// things like local usernames in that field) then we'll use the profile
// page link, if valid.
if ($object->link && common_valid_http_url($object->link)) {
return $object->link;
}
// TRANS: Server exception.
throw new ServerException(_m('No author ID URI found.'));
}
