_darcs/pristine/actions/subscribe.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 class SubscribeAction extends Action {
  23
  24     function handle($args) {
  25         parent::handle($args);
  26
  27         if (!common_logged_in()) {
  28             common_user_error(_('Not logged in.'));
  29             return;
  30         }
  31
  32         $user = common_current_user();
  33
  34         if ($_SERVER['REQUEST_METHOD'] != 'POST') {
  35             common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
  36             return;
  37         }
  38
  39         # CSRF protection
  40
  41         $token = $this->trimmed('token');
  42
  43         if (!$token || $token != common_session_token()) {
  44             $this->client_error(_('There was a problem with your session token. Try again, please.'));
  45             return;
  46         }
  47
  48         $other_id = $this->arg('subscribeto');
  49
  50         $other = User::staticGet('id', $other_id);
  51
  52         if (!$other) {
  53             $this->client_error(_('Not a local user.'));
  54             return;
  55         }
  56
  57         $result = subs_subscribe_to($user, $other);
  58
  59         if($result != true) {
  60             common_user_error($result);
  61             return;
  62         }
  63
  64         if ($this->boolean('ajax')) {
  65             common_start_html('text/xml;charset=utf-8', true);
  66             common_element_start('head');
  67             common_element('title', null, _('Subscribed'));
  68             common_element_end('head');
  69             common_element_start('body');
  70             common_unsubscribe_form($other->getProfile());
  71             common_element_end('body');
  72             common_element_end('html');
  73         } else {
  74             common_redirect(common_local_url('subscriptions', array('nickname' =>
  75                                                                 $user->nickname)));
  76         }
  77     }
  78 }