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(INSTALLDIR.'/lib/omb.php');
24 class FinishremotesubscribeAction extends Action {
26 function handle($args) {
28 parent::handle($args);
30 if (common_logged_in()) {
31 common_user_error(_t('You can use the local subscription!'));
35 $omb = $_SESSION['oauth_authorization_request'];
38 common_user_error(_t('Not expecting this response!'));
42 common_debug('stored request: '.print_r($omb,true), __FILE__);
44 $req = OAuthRequest::from_request();
46 $token = $req->get_parameter('oauth_token');
48 # I think this is the success metric
50 if ($token != $omb['token']) {
51 common_user_error(_t('Not authorized.'));
55 $version = $req->get_parameter('omb_version');
57 if ($version != OMB_VERSION_01) {
58 common_user_error(_t('Unknown version of OMB protocol.'));
62 $nickname = $req->get_parameter('omb_listener_nickname');
65 common_user_error(_t('No nickname provided by remote server.'));
69 $profile_url = $req->get_parameter('omb_listener_profile');
72 common_user_error(_t('No profile URL returned by server.'));
76 if (!Validate::uri($profile_url, array('allowed_schemes' => array('http', 'https')))) {
77 common_user_error(_t('Invalid profile URL returned by server.'));
81 common_debug('listenee: "'.$omb['listenee'].'"', __FILE__);
83 $user = User::staticGet('nickname', $omb['listenee']);
86 common_user_error(_t('User being listened to doesn\'t exist.'));
90 $fullname = $req->get_parameter('omb_listener_fullname');
91 $homepage = $req->get_parameter('omb_listener_homepage');
92 $bio = $req->get_parameter('omb_listener_bio');
93 $location = $req->get_parameter('omb_listener_location');
94 $avatar_url = $req->get_parameter('omb_listener_avatar');
96 list($newtok, $newsecret) = $this->access_token($omb);
98 if (!$newtok || !$newsecret) {
99 common_user_error(_t('Couldn\'t convert request tokens to access tokens.'));
103 # XXX: possible attack point; subscribe and return someone else's profile URI
105 $remote = Remote_profile::staticGet('uri', $omb['listener']);
109 $profile = Profile::staticGet($remote->id);
110 $orig_remote = clone($remote);
111 $orig_profile = clone($profile);
112 # XXX: compare current postNotice and updateProfile URLs to the ones
113 # stored in the DB to avoid (possibly...) above attack
116 $remote = new Remote_profile();
117 $remote->uri = $omb['listener'];
118 $profile = new Profile();
121 $profile->nickname = $nickname;
122 $profile->profileurl = $profile_url;
125 $profile->fullname = $fullname;
128 $profile->homepage = $homepage;
131 $profile->bio = $bio;
134 $profile->location = $location;
138 $profile->update($orig_profile);
140 $profile->created = DB_DataObject_Cast::dateTime(); # current time
141 $id = $profile->insert();
143 common_server_error(_t('Error inserting new profile'));
150 if (!$this->add_avatar($profile, $avatar_url)) {
151 common_server_error(_t('Error inserting avatar'));
156 $remote->postnoticeurl = $omb['post_notice_url'];
157 $remote->updateprofileurl = $omb['update_profile_url'];
160 if (!$remote->update($orig_remote)) {
161 common_server_error(_t('Error updating remote profile'));
165 $remote->created = DB_DataObject_Cast::dateTime(); # current time
166 if (!$remote->insert()) {
167 common_server_error(_t('Error inserting remote profile'));
172 $sub = new Subscription();
173 $sub->subscriber = $remote->id;
174 $sub->subscribed = $user->id;
175 $sub->token = $newtok;
176 $sub->secret = $newsecret;
177 $sub->created = DB_DataObject_Cast::dateTime(); # current time
179 if (!$sub->insert()) {
180 common_user_error(_t('Couldn\'t insert new subscription.'));
185 unset($_SESSION['oauth_authorization_request']);
187 # If we show subscriptions in reverse chron order, this should
188 # show up close to the top of the page
190 common_redirect(common_local_url('subscribed', array('nickname' =>
194 function add_avatar($profile, $url) {
195 $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
196 copy($url, $temp_filename);
197 return $profile->setOriginal($temp_filename);
200 function access_token($omb) {
202 common_debug('starting request for access token', __FILE__);
204 $con = omb_oauth_consumer();
205 $tok = new OAuthToken($omb['token'], $omb['secret']);
207 common_debug('using request token "'.$tok.'"', __FILE__);
209 $url = $omb['access_token_url'];
211 common_debug('using access token url "'.$url.'"', __FILE__);
213 # XXX: Is this the right thing to do? Strip off GET params and make them
214 # POST params? Seems wrong to me.
216 $parsed = parse_url($url);
218 parse_str($parsed['query'], $params);
220 $req = OAuthRequest::from_consumer_and_token($con, $tok, "POST", $url, $params);
222 $req->set_parameter('omb_version', OMB_VERSION_01);
224 # XXX: test to see if endpoint accepts this signature method
226 $req->sign_request(omb_hmac_sha1(), $con, $tok);
228 # We re-use this tool's fetcher, since it's pretty good
230 common_debug('posting to access token url "'.$req->get_normalized_http_url().'"', __FILE__);
231 common_debug('posting request data "'.$req->to_postdata().'"', __FILE__);
233 $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
234 $result = $fetcher->post($req->get_normalized_http_url(),
235 $req->to_postdata());
237 common_debug('got result: "'.print_r($result,TRUE).'"', __FILE__);
239 if ($result->status != 200) {
243 parse_str($result->body, $return);
245 return array($return['oauth_token'], $return['oauth_token_secret']);