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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($args) {
23         parent::handle($args);
24         if (!common_logged_in()) {
25             common_user_error(_('Not logged in.'));
26             return;
27         }
28
29         $user = common_current_user();
30
31         if ($_SERVER['REQUEST_METHOD'] != 'POST') {
32             common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
33             return;
34         }
35
36         # CSRF protection
37
38         $token = $this->trimmed('token');
39
40         if (!$token || $token != common_session_token()) {
41             $this->client_error(_('There was a problem with your session token. Try again, please.'));
42             return;
43         }
44
45         $other_id = $this->arg('unsubscribeto');
46
47         if (!$other_id) {
48             $this->client_error(_('No profile id in request.'));
49             return;
50         }
51
52         $other = Profile::staticGet('id', $other_id);
53
54         if (!$other_id) {
55             $this->client_error(_('No profile with that id.'));
56             return;
57         }
58
59         $result = subs_unsubscribe_to($user, $other);
60
61         if ($result != true) {
62             common_user_error($result);
63             return;
64         }
65
66         if ($this->boolean('ajax')) {
67             common_start_html('text/xml;charset=utf-8', true);
68             common_element_start('head');
69             common_element('title', null, _('Unsubscribed'));
70             common_element_end('head');
71             common_element_start('body');
72             common_subscribe_form($other);
73             common_element_end('body');
74             common_element_end('html');
75         } else {
76             common_redirect(common_local_url('subscriptions', array('nickname' =>
77                                                                     $user->nickname)));
78         }
79     }
80 }