3 * Laconica - a distributed open-source microblogging tool
4 * Copyright (C) 2008, Controlez-Vous, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('LACONICA')) { exit(1); }
22 require_once('OAuth.php');
23 require_once(INSTALLDIR.'/lib/oauthstore.php');
25 require_once(INSTALLDIR.'/classes/Consumer.php');
26 require_once(INSTALLDIR.'/classes/Nonce.php');
27 require_once(INSTALLDIR.'/classes/Token.php');
29 require_once('Auth/Yadis/Yadis.php');
31 define('OAUTH_NAMESPACE', 'http://oauth.net/core/1.0/');
32 define('OMB_NAMESPACE', 'http://openmicroblogging.org/protocol/0.1');
33 define('OMB_VERSION_01', 'http://openmicroblogging.org/protocol/0.1');
34 define('OAUTH_DISCOVERY', 'http://oauth.net/discovery/1.0');
36 define('OMB_ENDPOINT_UPDATEPROFILE', OMB_NAMESPACE.'/updateProfile');
37 define('OMB_ENDPOINT_POSTNOTICE', OMB_NAMESPACE.'/postNotice');
38 define('OAUTH_ENDPOINT_REQUEST', OAUTH_NAMESPACE.'endpoint/request');
39 define('OAUTH_ENDPOINT_AUTHORIZE', OAUTH_NAMESPACE.'endpoint/authorize');
40 define('OAUTH_ENDPOINT_ACCESS', OAUTH_NAMESPACE.'endpoint/access');
41 define('OAUTH_ENDPOINT_RESOURCE', OAUTH_NAMESPACE.'endpoint/resource');
42 define('OAUTH_AUTH_HEADER', OAUTH_NAMESPACE.'parameters/auth-header');
43 define('OAUTH_POST_BODY', OAUTH_NAMESPACE.'parameters/post-body');
44 define('OAUTH_HMAC_SHA1', OAUTH_NAMESPACE.'signature/HMAC-SHA1');
46 function omb_oauth_consumer() {
49 $con = new OAuthConsumer(common_root_url(), '');
54 function omb_oauth_server() {
55 static $server = null;
57 $server = new OAuthServer(omb_oauth_datastore());
58 $server->add_signature_method(omb_hmac_sha1());
63 function omb_oauth_datastore() {
66 $store = new LaconicaOAuthDataStore();
71 function omb_hmac_sha1() {
72 static $hmac_method = NULL;
74 $hmac_method = new OAuthSignatureMethod_HMAC_SHA1();
79 function omb_get_services($xrd, $type) {
80 return $xrd->services(array(omb_service_filter($type)));
83 function omb_service_filter($type) {
84 return create_function('$s',
85 'return omb_match_service($s, \''.$type.'\');');
88 function omb_match_service($service, $type) {
89 return in_array($type, $service->getTypes());
92 function omb_service_uri($service) {
96 $uris = $service->getURIs();
103 function omb_local_id($service) {
107 $els = $service->getElements('xrd:LocalID');
112 return $service->parser->content($el);
115 function omb_broadcast_remote_subscribers($notice) {
117 # First, get remote users subscribed to this profile
118 $rp = new Remote_profile();
120 $rp->query('SELECT postnoticeurl, token, secret ' .
121 'FROM subscription JOIN remote_profile ' .
122 'ON subscription.subscriber = remote_profile.id ' .
123 'WHERE subscription.subscribed = ' . $notice->profile_id . ' ');
127 while ($rp->fetch()) {
128 if (!$posted[$rp->postnoticeurl]) {
129 common_log(LOG_DEBUG, 'Posting to ' . $rp->postnoticeurl);
130 if (omb_post_notice_keys($notice, $rp->postnoticeurl, $rp->token, $rp->secret)) {
131 common_log(LOG_DEBUG, 'Finished to ' . $rp->postnoticeurl);
132 $posted[$rp->postnoticeurl] = TRUE;
134 common_log(LOG_DEBUG, 'Failed posting to ' . $rp->postnoticeurl);
145 function omb_post_notice($notice, $remote_profile, $subscription) {
146 return omb_post_notice_keys($notice, $remote_profile->postnoticeurl, $subscription->token, $subscription->secret);
149 function omb_post_notice_keys($notice, $postnoticeurl, $tk, $secret) {
151 common_debug('Posting notice ' . $notice->id . ' to ' . $postnoticeurl, __FILE__);
153 $user = User::staticGet('id', $notice->profile_id);
156 common_debug('Failed to get user for notice ' . $notice->id . ', profile = ' . $notice->profile_id, __FILE__);
160 $con = omb_oauth_consumer();
162 $token = new OAuthToken($tk, $secret);
164 $url = $postnoticeurl;
165 $parsed = parse_url($url);
167 parse_str($parsed['query'], $params);
169 $req = OAuthRequest::from_consumer_and_token($con, $token,
170 'POST', $url, $params);
172 $req->set_parameter('omb_version', OMB_VERSION_01);
173 $req->set_parameter('omb_listenee', $user->uri);
174 $req->set_parameter('omb_notice', $notice->uri);
175 $req->set_parameter('omb_notice_content', $notice->content);
176 $req->set_parameter('omb_notice_url', common_local_url('shownotice',
179 $req->set_parameter('omb_notice_license', common_config('license', 'url'));
184 $req->sign_request(omb_hmac_sha1(), $con, $token);
186 # We re-use this tool's fetcher, since it's pretty good
188 $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
191 common_log(LOG_WARNING, 'Failed to initialize Yadis fetcher.', __FILE__);
195 $result = $fetcher->post($req->get_normalized_http_url(),
197 array('User-Agent' => 'Laconica/' . LACONICA_VERSION));
199 common_debug('Got HTTP result "'.print_r($result,TRUE).'"', __FILE__);
201 if ($result->status == 403) { # not authorized, don't send again
202 common_debug('403 result, deleting subscription', __FILE__);
203 # FIXME: figure out how to delete this
204 # $subscription->delete();
206 } else if ($result->status != 200) {
207 common_debug('Error status '.$result->status, __FILE__);
210 parse_str($result->body, $return);
211 if ($return['omb_version'] == OMB_VERSION_01) {
219 function omb_broadcast_profile($profile) {
220 # First, get remote users subscribed to this profile
221 # XXX: use a join here rather than looping through results
222 $sub = new Subscription();
223 $sub->subscribed = $profile->id;
226 while ($sub->fetch()) {
227 $rp = Remote_profile::staticGet('id', $sub->subscriber);
229 if (!$updated[$rp->updateprofileurl]) {
230 if (omb_update_profile($profile, $rp, $sub)) {
231 $updated[$rp->updateprofileurl] = TRUE;
239 function omb_update_profile($profile, $remote_profile, $subscription) {
240 global $config; # for license URL
241 $user = User::staticGet($profile->id);
242 $con = omb_oauth_consumer();
243 $token = new OAuthToken($subscription->token, $subscription->secret);
244 $url = $remote_profile->updateprofileurl;
245 $parsed = parse_url($url);
247 parse_str($parsed['query'], $params);
248 $req = OAuthRequest::from_consumer_and_token($con, $token,
249 "POST", $url, $params);
250 $req->set_parameter('omb_version', OMB_VERSION_01);
251 $req->set_parameter('omb_listenee', $user->uri);
252 $req->set_parameter('omb_listenee_profile', common_profile_url($profile->nickname));
253 $req->set_parameter('omb_listenee_nickname', $profile->nickname);
255 # We use blanks to force emptying any existing values in these optional fields
257 $req->set_parameter('omb_listenee_fullname',
258 ($profile->fullname) ? $profile->fullname : '');
259 $req->set_parameter('omb_listenee_homepage',
260 ($profile->homepage) ? $profile->homepage : '');
261 $req->set_parameter('omb_listenee_bio',
262 ($profile->bio) ? $profile->bio : '');
263 $req->set_parameter('omb_listenee_location',
264 ($profile->location) ? $profile->location : '');
266 $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
267 $req->set_parameter('omb_listenee_avatar',
268 ($avatar) ? $avatar->url : '');
270 $req->sign_request(omb_hmac_sha1(), $con, $token);
272 # We re-use this tool's fetcher, since it's pretty good
274 $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
276 common_debug('request URL = '.$req->get_normalized_http_url(), __FILE__);
277 common_debug('postdata = '.$req->to_postdata(), __FILE__);
278 $result = $fetcher->post($req->get_normalized_http_url(),
280 array('User-Agent' => 'Laconica/' . LACONICA_VERSION));
282 common_debug('Got HTTP result "'.print_r($result,TRUE).'"', __FILE__);
284 if ($result->status == 403) { # not authorized, don't send again
285 common_debug('403 result, deleting subscription', __FILE__);
286 $subscription->delete();
288 } else if ($result->status != 200) {
289 common_debug('Error status '.$result->status, __FILE__);
292 parse_str($result->body, $return);
293 if ($return['omb_version'] == OMB_VERSION_01) {