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[quix0rs-gnu-social.git] / actions / unsubscribe.php
1 <?php
2 /*
3  * Laconica - a distributed open-source microblogging tool
4  * Copyright (C) 2008, Controlez-Vous, Inc.
5  *
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.
10  *
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.
15  *
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/>.
18  */
19
20 class UnsubscribeAction extends Action {
21
22     function handle($args)
23     {
24         parent::handle($args);
25         if (!common_logged_in()) {
26             common_user_error(_('Not logged in.'));
27             return;
28         }
29
30         $user = common_current_user();
31
32         if ($_SERVER['REQUEST_METHOD'] != 'POST') {
33             common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
34             return;
35         }
36
37         # CSRF protection
38
39         $token = $this->trimmed('token');
40
41         if (!$token || $token != common_session_token()) {
42             $this->client_error(_('There was a problem with your session token. Try again, please.'));
43             return;
44         }
45
46         $other_id = $this->arg('unsubscribeto');
47
48         if (!$other_id) {
49             $this->client_error(_('No profile id in request.'));
50             return;
51         }
52
53         $other = Profile::staticGet('id', $other_id);
54
55         if (!$other_id) {
56             $this->client_error(_('No profile with that id.'));
57             return;
58         }
59
60         $result = subs_unsubscribe_to($user, $other);
61
62         if ($result != true) {
63             common_user_error($result);
64             return;
65         }
66
67         if ($this->boolean('ajax')) {
68             common_start_html('text/xml;charset=utf-8', true);
69             common_element_start('head');
70             common_element('title', null, _('Unsubscribed'));
71             common_element_end('head');
72             common_element_start('body');
73             common_subscribe_form($other);
74             common_element_end('body');
75             common_element_end('html');
76         } else {
77             common_redirect(common_local_url('subscriptions', array('nickname' =>
78                                                                     $user->nickname)));
79         }
80     }
81 }