+
+function omb_service_uri($service)
+{
+ if (!$service) {
+ return null;
+ }
+ $uris = $service->getURIs();
+ if (!$uris) {
+ return null;
+ }
+ return $uris[0];
+}
+
+function omb_local_id($service)
+{
+ if (!$service) {
+ return null;
+ }
+ $els = $service->getElements('xrd:LocalID');
+ if (!$els) {
+ return null;
+ }
+ $el = $els[0];
+ return $service->parser->content($el);
+}
+
+function omb_broadcast_remote_subscribers($notice)
+{
+
+ # First, get remote users subscribed to this profile
+ $rp = new Remote_profile();
+
+ $rp->query('SELECT postnoticeurl, token, secret ' .
+ 'FROM subscription JOIN remote_profile ' .
+ 'ON subscription.subscriber = remote_profile.id ' .
+ 'WHERE subscription.subscribed = ' . $notice->profile_id . ' ');
+
+ $posted = array();
+
+ while ($rp->fetch()) {
+ if (!$posted[$rp->postnoticeurl]) {
+ common_log(LOG_DEBUG, 'Posting to ' . $rp->postnoticeurl);
+ if (omb_post_notice_keys($notice, $rp->postnoticeurl, $rp->token, $rp->secret)) {
+ common_log(LOG_DEBUG, 'Finished to ' . $rp->postnoticeurl);
+ $posted[$rp->postnoticeurl] = true;
+ } else {
+ common_log(LOG_DEBUG, 'Failed posting to ' . $rp->postnoticeurl);
+ }
+ }
+ }
+
+ $rp->free();
+ unset($rp);
+
+ return true;
+}
+
+function omb_post_notice($notice, $remote_profile, $subscription)
+{
+ return omb_post_notice_keys($notice, $remote_profile->postnoticeurl, $subscription->token, $subscription->secret);
+}
+
+function omb_post_notice_keys($notice, $postnoticeurl, $tk, $secret)
+{
+ $user = User::staticGet('id', $notice->profile_id);
+
+ if (!$user) {
+ return false;
+ }
+
+ $con = omb_oauth_consumer();
+
+ $token = new OAuthToken($tk, $secret);
+
+ $url = $postnoticeurl;
+ $parsed = parse_url($url);
+ $params = array();
+ parse_str($parsed['query'], $params);
+
+ $req = OAuthRequest::from_consumer_and_token($con, $token,
+ 'POST', $url, $params);
+
+ $req->set_parameter('omb_version', OMB_VERSION_01);
+ $req->set_parameter('omb_listenee', $user->uri);
+ $req->set_parameter('omb_notice', $notice->uri);
+ $req->set_parameter('omb_notice_content', $notice->content);
+ $req->set_parameter('omb_notice_url', common_local_url('shownotice',
+ array('notice' =>
+ $notice->id)));
+ $req->set_parameter('omb_notice_license', common_config('license', 'url'));
+
+ $user->free();
+ unset($user);
+
+ $req->sign_request(omb_hmac_sha1(), $con, $token);
+
+ # We re-use this tool's fetcher, since it's pretty good
+
+ $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
+
+ if (!$fetcher) {
+ common_log(LOG_WARNING, 'Failed to initialize Yadis fetcher.', __FILE__);
+ return false;
+ }
+
+ $result = $fetcher->post($req->get_normalized_http_url(),
+ $req->to_postdata(),
+ array('User-Agent: Laconica/' . LACONICA_VERSION));
+
+ if ($result->status == 403) { # not authorized, don't send again
+ common_debug('403 result, deleting subscription', __FILE__);
+ # FIXME: figure out how to delete this
+ # $subscription->delete();
+ return false;
+ } else if ($result->status != 200) {
+ common_debug('Error status '.$result->status, __FILE__);
+ return false;
+ } else { # success!
+ parse_str($result->body, $return);
+ if ($return['omb_version'] == OMB_VERSION_01) {
+ return true;
+ } else {
+ return false;
+ }
+ }