+
+ # CSRF protection - token set in common_notice_form()
+ $token = $this->trimmed('token');
+ if (!$token || $token != common_session_token()) {
+ $this->client_error(_('There was a problem with your session token. Try again, please.'));
+ return;
+ }
+
+ $nickname = common_canonical_nickname($this->trimmed('nickname'));