+}
+
+function omb_get_services($xrd, $type) {
+ return $xrd->services(array(omb_service_filter($type)));
+}
+
+function omb_service_filter($type) {
+ return create_function('$s',
+ 'return omb_match_service($s, \''.$type.'\');');
+}
+
+function omb_match_service($service, $type) {
+ return in_array($type, $service->getTypes());
+}
+
+function omb_service_uri($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) {
+
+ common_debug('Posting notice ' . $notice->id . ' to ' . $postnoticeurl, __FILE__);
+
+ $user = User::staticGet('id', $notice->profile_id);
+
+ if (!$user) {
+ common_debug('Failed to get user for notice ' . $notice->id . ', profile = ' . $notice->profile_id, __FILE__);
+ 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(),
+ $req->to_postdata(),
+ array('User-Agent' => 'Laconica/' . LACONICA_VERSION));
+
+ common_debug('Got HTTP result "'.print_r($result,TRUE).'"', __FILE__);
+
+ if ($result->status == 403) { # not authorized, don't send again
+ common_debug('403 result, deleting subscription', __FILE__);
+ # 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;
+ }
+ }
+}
+
+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;
+ }
+ }
+ }
+ }
+ }
+}
+
+function omb_update_profile($profile, $remote_profile, $subscription) {
+ global $config; # for license URL
+ $user = User::staticGet($profile->id);
+ $con = omb_oauth_consumer();
+ $token = new OAuthToken($subscription->token, $subscription->secret);
+ $url = $remote_profile->updateprofileurl;
+ $parsed = parse_url($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);
+ $req->set_parameter('omb_listenee_profile', common_profile_url($profile->nickname));
+ $req->set_parameter('omb_listenee_nickname', $profile->nickname);
+
+ # We use blanks to force emptying any existing values in these optional fields
+
+ $req->set_parameter('omb_listenee_fullname',
+ ($profile->fullname) ? $profile->fullname : '');
+ $req->set_parameter('omb_listenee_homepage',
+ ($profile->homepage) ? $profile->homepage : '');
+ $req->set_parameter('omb_listenee_bio',
+ ($profile->bio) ? $profile->bio : '');
+ $req->set_parameter('omb_listenee_location',
+ ($profile->location) ? $profile->location : '');
+
+ $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
+ $req->set_parameter('omb_listenee_avatar',
+ ($avatar) ? $avatar->url : '');
+
+ $req->sign_request(omb_hmac_sha1(), $con, $token);
+
+ # We re-use this tool's fetcher, since it's pretty good
+
+ $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
+
+ common_debug('request URL = '.$req->get_normalized_http_url(), __FILE__);
+ common_debug('postdata = '.$req->to_postdata(), __FILE__);
+ $result = $fetcher->post($req->get_normalized_http_url(),
+ $req->to_postdata(),
+ array('User-Agent' => 'Laconica/' . LACONICA_VERSION));
+
+ common_debug('Got HTTP result "'.print_r($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;
+ }
+ }
+}