159 lines
4.4 KiB
PHP
159 lines
4.4 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2008-2010, StatusNet, Inc.
|
|
*
|
|
* Subscription action.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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/>.
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* @category Action
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @copyright 2008-2010 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
if (!defined('STATUSNET')) {
|
|
exit(1);
|
|
}
|
|
|
|
/**
|
|
* Subscription action
|
|
*
|
|
* Subscribing to a profile. Does not work for OMB 0.1 remote subscriptions,
|
|
* but may work for other remote subscription protocols, like OStatus.
|
|
*
|
|
* Takes parameters:
|
|
*
|
|
* - subscribeto: a profile ID
|
|
* - token: session token to prevent CSRF attacks
|
|
* - ajax: boolean; whether to return Ajax or full-browser results
|
|
*
|
|
* Only works if the current user is logged in.
|
|
*
|
|
* @category Action
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @copyright 2008-2010 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
class SubscribeAction extends Action
|
|
{
|
|
var $user;
|
|
var $other;
|
|
|
|
/**
|
|
* Check pre-requisites and instantiate attributes
|
|
*
|
|
* @param Array $args array of arguments (URL, GET, POST)
|
|
*
|
|
* @return boolean success flag
|
|
*/
|
|
|
|
function prepare($args)
|
|
{
|
|
parent::prepare($args);
|
|
|
|
// Only allow POST requests
|
|
|
|
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
|
|
$this->clientError(_('This action only accepts POST requests.'));
|
|
return false;
|
|
}
|
|
|
|
// CSRF protection
|
|
|
|
$token = $this->trimmed('token');
|
|
|
|
if (!$token || $token != common_session_token()) {
|
|
$this->clientError(_('There was a problem with your session token.'.
|
|
' Try again, please.'));
|
|
return false;
|
|
}
|
|
|
|
// Only for logged-in users
|
|
|
|
$this->user = common_current_user();
|
|
|
|
if (empty($this->user)) {
|
|
$this->clientError(_('Not logged in.'));
|
|
return false;
|
|
}
|
|
|
|
// Profile to subscribe to
|
|
|
|
$other_id = $this->arg('subscribeto');
|
|
|
|
$this->other = Profile::staticGet('id', $other_id);
|
|
|
|
if (empty($this->other)) {
|
|
$this->clientError(_('No such profile.'));
|
|
return false;
|
|
}
|
|
|
|
// OMB 0.1 doesn't have a mechanism for local-server-
|
|
// originated subscription.
|
|
|
|
$omb01 = Remote_profile::staticGet('id', $other_id);
|
|
|
|
if (!empty($omb01)) {
|
|
$this->clientError(_('You cannot subscribe to an OMB 0.1'.
|
|
' remote profile with this action.'));
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Handle request
|
|
*
|
|
* Does the subscription and returns results.
|
|
*
|
|
* @param Array $args unused.
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function handle($args)
|
|
{
|
|
// Throws exception on error
|
|
|
|
Subscription::start($this->user->getProfile(),
|
|
$this->other);
|
|
|
|
if ($this->boolean('ajax')) {
|
|
$this->startHTML('text/xml;charset=utf-8');
|
|
$this->elementStart('head');
|
|
$this->element('title', null, _('Subscribed'));
|
|
$this->elementEnd('head');
|
|
$this->elementStart('body');
|
|
$unsubscribe = new UnsubscribeForm($this, $this->other);
|
|
$unsubscribe->show();
|
|
$this->elementEnd('body');
|
|
$this->elementEnd('html');
|
|
} else {
|
|
$url = common_local_url('subscriptions',
|
|
array('nickname' => $this->user->nickname));
|
|
common_redirect($url, 303);
|
|
}
|
|
}
|
|
}
|