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[quix0rs-gnu-social.git] / actions / nudge.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 if (!defined('LACONICA')) { exit(1); }
21
22 require_once(INSTALLDIR.'/lib/mail.php');
23
24 class NudgeAction extends Action {
25
26     function handle($args)
27     {
28         parent::handle($args);
29
30         if (!common_logged_in()) {
31             $this->client_error(_('Not logged in.'));
32             return;
33         }
34
35         $user = common_current_user();
36         $other = User::staticGet('nickname', $this->arg('nickname'));
37
38         if ($_SERVER['REQUEST_METHOD'] != 'POST') {
39             common_redirect(common_local_url('showstream', array('nickname' => $other->nickname)));
40             return;
41         }
42
43         # CSRF protection
44
45         $token = $this->trimmed('token');
46         
47         if (!$token || $token != common_session_token()) {
48             $this->client_error(_('There was a problem with your session token. Try again, please.'));
49             return;
50         }
51
52         if (!$other->email || !$other->emailnotifynudge) {
53             $this->client_error(_('This user doesn\'t allow nudges or hasn\'t confirmed or set his email yet.'));
54             return;
55         }
56
57         $this->notify($user, $other);
58
59         if ($this->boolean('ajax')) {
60             common_start_html('text/xml;charset=utf-8', true);
61             common_element_start('head');
62             common_element('title', null, _('Nudge sent'));
63             common_element_end('head');
64             common_element_start('body');
65             common_nudge_response();
66             common_element_end('body');
67             common_element_end('html');
68         } else {
69             // display a confirmation to the user
70             common_redirect(common_local_url('showstream',
71                                              array('nickname' => $other->nickname)));
72         }
73     }
74
75     function notify($user, $other)
76     {
77         if ($other->id != $user->id) {
78             if ($other->email && $other->emailnotifynudge) {
79                 mail_notify_nudge($user, $other);
80             }
81             # XXX: notify by IM
82             # XXX: notify by SMS
83         }
84     }
85 }
86