- $this->client_error(_('No id.'));
- }
- $user =& User::staticGet($id);
- if (!$user) {
- $this->client_error(_('No such user.'));
- }
- $url=common_local_url('showstream',
- array('nickname' => $user->nickname));
- common_redirect($url, 303);
- }
+ $this->clientError(_('No ID.'));
+ }
+ $user = User::staticGet($id);
+ if (!$user) {
+ $this->clientError(_('No such user.'));
+ }
+
+ // Support redirecting to FOAF rdf/xml if the agent prefers it...
+ // Internet Explorer doesn't specify "text/html" and does list "*/*"
+ // at least through version 8. We need to list text/html up front to
+ // ensure that only user-agents who specifically ask for RDF get it.
+ $page_prefs = 'text/html,application/xhtml+xml,application/rdf+xml,application/xml;q=0.3,text/xml;q=0.2';
+ $httpaccept = isset($_SERVER['HTTP_ACCEPT'])
+ ? $_SERVER['HTTP_ACCEPT'] : null;
+ $type = common_negotiate_type(common_accept_to_prefs($httpaccept),
+ common_accept_to_prefs($page_prefs));
+ $page = $type == 'application/rdf+xml' ? 'foaf' : 'showstream';
+ $url = common_local_url($page, array('nickname' => $user->nickname));
+ common_redirect($url, 303);
+ }