3 * Let the user authorize a remote subscription request
9 * @author Evan Prodromou <evan@status.net>
10 * @author Robin Millette <millette@status.net>
11 * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
12 * @link http://status.net/
14 * StatusNet - the distributed open-source microblogging tool
15 * Copyright (C) 2008, 2009, StatusNet, Inc.
17 * This program is free software: you can redistribute it and/or modify
18 * it under the terms of the GNU Affero General Public License as published by
19 * the Free Software Foundation, either version 3 of the License, or
20 * (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU Affero General Public License for more details.
27 * You should have received a copy of the GNU Affero General Public License
28 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
33 require_once INSTALLDIR.'/lib/omb.php';
34 require_once INSTALLDIR.'/extlib/libomb/service_provider.php';
35 require_once INSTALLDIR.'/extlib/libomb/profile.php';
36 define('TIMESTAMP_THRESHOLD', 300);
38 class UserauthorizationAction extends Action
43 function handle($args)
45 parent::handle($args);
47 if ($_SERVER['REQUEST_METHOD'] == 'POST') {
48 /* Use a session token for CSRF protection. */
49 $token = $this->trimmed('token');
50 if (!$token || $token != common_session_token()) {
51 $srv = $this->getStoredParams();
52 $this->showForm($srv->getRemoteUser(), _('There was a problem ' .
53 'with your session token. Try again, ' .
57 /* We've shown the form, now post user's choice. */
58 $this->sendAuthorization();
60 if (!common_logged_in()) {
61 /* Go log in, and then come back. */
62 common_set_returnto($_SERVER['REQUEST_URI']);
64 common_redirect(common_local_url('login'));
68 $user = common_current_user();
69 $profile = $user->getProfile();
71 common_log_db_error($user, 'SELECT', __FILE__);
72 $this->serverError(_('User without matching profile.'));
76 /* TODO: If no token is passed the user should get a prompt to enter
77 it according to OAuth Core 1.0. */
80 $srv = new OMB_Service_Provider(
81 profile_to_omb_profile($user->uri, $profile),
82 omb_oauth_datastore());
84 $remote_user = $srv->handleUserAuth();
85 } catch (Exception $e) {
87 $this->clientError($e->getMessage());
91 $this->storeParams($srv);
92 $this->showForm($remote_user);
96 function showForm($params, $error=null)
98 $this->params = $params;
99 $this->error = $error;
105 return _('Authorize subscription');
108 function showPageNotice()
110 $this->element('p', null, _('Please check these details to make sure '.
111 'that you want to subscribe to this ' .
112 'user’s notices. If you didn’t just ask ' .
113 'to subscribe to someone’s notices, '.
117 function showContent()
119 $params = $this->params;
121 $nickname = $params->getNickname();
122 $profile = $params->getProfileURL();
123 $license = $params->getLicenseURL();
124 $fullname = $params->getFullname();
125 $homepage = $params->getHomepage();
126 $bio = $params->getBio();
127 $location = $params->getLocation();
128 $avatar = $params->getAvatarURL();
130 $this->elementStart('div', 'entity_profile vcard');
133 $this->element('img', array('src' => $avatar,
134 'class' => 'photo avatar entity_depiction',
135 'width' => AVATAR_PROFILE_SIZE,
136 'height' => AVATAR_PROFILE_SIZE,
137 'alt' => $nickname));
140 $this->element('div', 'entity_nickname', _('Nickname'));
142 $hasFN = ($fullname !== '') ? 'nickname' : 'fn nickname';
144 // XXX: why are these raw() instead of escaped...?
146 $this->elementStart('a', array('href' => $profile,
147 'class' => 'url '.$hasFN));
148 $this->raw($nickname);
149 $this->elementEnd('a');
151 if (!is_null($fullname)) {
152 $this->elementStart('div', 'fn entity_fn');
153 $this->raw($fullname);
154 $this->elementEnd('div');
157 if (!is_null($location)) {
158 $this->elementStart('div', 'label entity_location');
159 $this->raw($location);
162 if (!is_null($homepage)) {
163 $this->elementStart('a', array('href' => $homepage,
164 'class' => 'url entity_url'));
165 $this->raw($homepage);
166 $this->elementEnd('a');
169 if (!is_null($bio)) {
170 $this->elementStart('div', 'note entity_note');
172 $this->elementEnd('dd');
175 if (!is_null($license)) {
176 $this->element('a', array('href' => $license,
177 'class' => 'license entity_license'),
181 $this->elementEnd('div');
183 $this->elementStart('div', 'entity_actions');
184 $this->elementStart('ul');
185 $this->elementStart('li', 'entity_subscribe');
186 $this->elementStart('form', array('method' => 'post',
187 'id' => 'userauthorization',
188 'class' => 'form_user_authorization',
189 'name' => 'userauthorization',
190 'action' => common_local_url(
191 'userauthorization')));
192 $this->hidden('token', common_session_token());
194 $this->submit('accept', _('Accept'), 'submit accept', null,
195 _('Subscribe to this user'));
196 $this->submit('reject', _('Reject'), 'submit reject', null,
197 _('Reject this subscription'));
198 $this->elementEnd('form');
199 $this->elementEnd('li');
200 $this->elementEnd('ul');
201 $this->elementEnd('div');
204 function sendAuthorization()
206 $srv = $this->getStoredParams();
209 $this->clientError(_('No authorization request!'));
213 $accepted = $this->arg('accept');
215 list($val, $token) = $srv->continueUserAuth($accepted);
216 } catch (Exception $e) {
217 $this->clientError($e->getMessage());
220 if ($val !== false) {
221 common_redirect($val, 303);
222 } elseif ($accepted) {
223 $this->showAcceptMessage($token);
225 $this->showRejectMessage();
229 function showAcceptMessage($tok)
231 common_show_header(_('Subscription authorized'));
232 $this->element('p', null,
233 _('The subscription has been authorized, but no '.
234 'callback URL was passed. Check with the site’s ' .
235 'instructions for details on how to authorize the ' .
236 'subscription. Your subscription token is:'));
237 $this->element('blockquote', 'token', $tok);
238 common_show_footer();
241 function showRejectMessage()
243 common_show_header(_('Subscription rejected'));
244 $this->element('p', null,
245 _('The subscription has been rejected, but no '.
246 'callback URL was passed. Check with the site’s ' .
247 'instructions for details on how to fully reject ' .
248 'the subscription.'));
249 common_show_footer();
252 function storeParams($params)
254 common_ensure_session();
255 $_SESSION['userauthorizationparams'] = serialize($params);
258 function clearParams()
260 common_ensure_session();
261 unset($_SESSION['userauthorizationparams']);
264 function getStoredParams()
266 common_ensure_session();
267 $params = unserialize($_SESSION['userauthorizationparams']);
271 function validateOmb()
273 $listener = $_GET['omb_listener'];
274 $listenee = $_GET['omb_listenee'];
275 $nickname = $_GET['omb_listenee_nickname'];
276 $profile = $_GET['omb_listenee_profile'];
278 $user = User::staticGet('uri', $listener);
280 throw new Exception(sprintf(_('Listener URI ‘%s’ not found here.'),
284 if (strlen($listenee) > 255) {
285 throw new Exception(sprintf(_('Listenee URI ‘%s’ is too long.'),
289 $other = User::staticGet('uri', $listenee);
291 throw new Exception(sprintf(_('Listenee URI ‘%s’ is a local user.'),
295 $remote = Remote_profile::staticGet('uri', $listenee);
297 $sub = new Subscription();
298 $sub->subscriber = $user->id;
299 $sub->subscribed = $remote->id;
300 if ($sub->find(true)) {
301 throw new Exception('You are already subscribed to this user.');
305 if ($profile == common_profile_url($nickname)) {
306 throw new Exception(sprintf(_('Profile URL ‘%s’ is for a local user.'),
311 $license = $_GET['omb_listenee_license'];
312 $site_license = common_config('license', 'url');
313 if (!common_compatible_license($license, $site_license)) {
314 throw new Exception(sprintf(_('Listenee stream license ‘%1$s’ is not ' .
315 'compatible with site license ‘%2$s’.'),
316 $license, $site_license));
319 $avatar = $_GET['omb_listenee_avatar'];
321 if (!common_valid_http_url($avatar) || strlen($avatar) > 255) {
322 throw new Exception(sprintf(_('Avatar URL ‘%s’ is not valid.'),
325 $size = @getimagesize($avatar);
327 throw new Exception(sprintf(_('Can’t read avatar URL ‘%s’.'),
330 if (!in_array($size[2], array(IMAGETYPE_GIF, IMAGETYPE_JPEG,
332 throw new Exception(sprintf(_('Wrong image type for avatar URL '.