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<?php
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/*
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 * Laconica - a distributed open-source microblogging tool
 * Copyright (C) 2008, Controlez-Vous, Inc.
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 *
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 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
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 *
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 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

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if (!defined('LACONICA')) { exit(1); }
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class SubscribeAction extends Action {
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    function handle($args)
    {
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        parent::handle($args);
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        if (!common_logged_in()) {
            common_user_error(_('Not logged in.'));
            return;
        }
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        $user = common_current_user();
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        if ($_SERVER['REQUEST_METHOD'] != 'POST') {
            common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
            return;
        }
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        # CSRF protection
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        $token = $this->trimmed('token');
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        if (!$token || $token != common_session_token()) {
            $this->client_error(_('There was a problem with your session token. Try again, please.'));
            return;
        }
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        $other_id = $this->arg('subscribeto');
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        $other = User::staticGet('id', $other_id);

        if (!$other) {
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            $this->client_error(_('Not a local user.'));
            return;
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        }

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        $result = subs_subscribe_to($user, $other);
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        if($result != true) {
            common_user_error($result);
            return;
        }
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        if ($this->boolean('ajax')) {
            common_start_html('text/xml;charset=utf-8', true);
            common_element_start('head');
            common_element('title', null, _('Subscribed'));
            common_element_end('head');
            common_element_start('body');
            common_unsubscribe_form($other->getProfile());
            common_element_end('body');
            common_element_end('html');
        } else {
            common_redirect(common_local_url('subscriptions', array('nickname' =>
                                                                $user->nickname)));
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        }
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    }
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}