+ 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
+ # XXX: use a join here rather than looping through results
+ $sub = new Subscription();
+ $sub->subscribed = $notice->profile_id;
+ if ($sub->find()) {
+ $posted = array();
+ while ($sub->fetch()) {
+ $rp = Remote_profile::staticGet('id', $sub->subscriber);
+ if ($rp) {
+ if (!$posted[$rp->postnoticeurl]) {
+ if (omb_post_notice($notice, $rp, $sub)) {
+ $posted[$rp->postnoticeurl] = TRUE;
+ }
+ }
+ }
+ }
+ }
+}
+
+function omb_post_notice($notice, $remote_profile, $subscription) {
+ global $config; # for license URL
+ $user = User::staticGet('id', $notice->profile_id);
+ $con = omb_oauth_consumer();
+ $token = new OAuthToken($subscription->token, $subscription->secret);
+ $url = $remote_profile->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', $config['license']['url']);
+
+ $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();
+
+ $result = $fetcher->post($req->get_normalized_http_url(),
+ $req->to_postdata());
+
+ common_debug('Got HTTP result "'.print_r($result,TRUE).'"', __FILE__);
+
+ if ($result->status == 403) { # not authorized, don't send again
+ common_debug('403 result, deleting subscription', __FILE__);
+ $subscription->delete();
+ return false;
+ } else if ($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;
+ }
+ }
+}
+
+function omb_broadcast_profile($profile) {
+ # First, get remote users subscribed to this profile
+ # XXX: use a join here rather than looping through results
+ $sub = new Subscription();
+ $sub->subscribed = $profile->id;
+ if ($sub->find()) {
+ $updated = array();
+ while ($sub->fetch()) {
+ $rp = Remote_profile::staticGet('id', $sub->subscriber);
+ if ($rp) {
+ if (!$updated[$rp->updateprofileurl]) {
+ if (omb_update_profile($profile, $rp, $sub)) {
+ $updated[$rp->updateprofileurl] = TRUE;
+ }
+ }
+ }
+ }
+ }