1bffe42413
I removed the check for local users in the subscribe button. I replaced it with a more specific check for OMB 0.1 remote profiles, which you can't use with this action. I also took the opportunity to split the handle() method into prepare() and handle(), and added PHPCS clean documentation.
159 lines
4.4 KiB
PHP
159 lines
4.4 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008-2010, StatusNet, Inc.
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*
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* Subscription action.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* PHP version 5
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*
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* @category Action
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2008-2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* Subscription action
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*
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* Subscribing to a profile. Does not work for OMB 0.1 remote subscriptions,
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* but may work for other remote subscription protocols, like OStatus.
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*
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* Takes parameters:
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*
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* - subscribeto: a profile ID
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* - token: session token to prevent CSRF attacks
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* - ajax: boolean; whether to return Ajax or full-browser results
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*
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* Only works if the current user is logged in.
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*
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* @category Action
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2008-2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
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* @link http://status.net/
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*/
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class SubscribeAction extends Action
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{
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var $user;
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var $other;
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/**
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* Check pre-requisites and instantiate attributes
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*
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* @param Array $args array of arguments (URL, GET, POST)
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*
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* @return boolean success flag
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*/
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function prepare($args)
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{
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parent::prepare($args);
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// Only allow POST requests
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if ($_SERVER['REQUEST_METHOD'] != 'POST') {
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$this->clientError(_('This action only accepts POST requests.'));
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return false;
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}
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// CSRF protection
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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$this->clientError(_('There was a problem with your session token.'.
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' Try again, please.'));
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return false;
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}
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// Only for logged-in users
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$this->user = common_current_user();
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if (empty($this->user)) {
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$this->clientError(_('Not logged in.'));
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return false;
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}
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// Profile to subscribe to
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$other_id = $this->arg('subscribeto');
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$this->other = Profile::staticGet('id', $other_id);
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if (empty($this->other)) {
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$this->clientError(_('No such profile.'));
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return false;
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}
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// OMB 0.1 doesn't have a mechanism for local-server-
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// originated subscription.
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$omb01 = Remote_profile::staticGet('id', $other_id);
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if (!empty($omb01)) {
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$this->clientError(_('You cannot subscribe to an OMB 0.1'.
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' remote profile with this action.'));
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return false;
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}
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return true;
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}
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/**
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* Handle request
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*
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* Does the subscription and returns results.
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*
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* @param Array $args unused.
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*
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* @return void
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*/
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function handle($args)
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{
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// Throws exception on error
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Subscription::start($this->user->getProfile(),
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$this->other);
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if ($this->boolean('ajax')) {
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$this->startHTML('text/xml;charset=utf-8');
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$this->elementStart('head');
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$this->element('title', null, _('Subscribed'));
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$this->elementEnd('head');
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$this->elementStart('body');
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$unsubscribe = new UnsubscribeForm($this, $this->other->getProfile());
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$unsubscribe->show();
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$this->elementEnd('body');
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$this->elementEnd('html');
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} else {
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$url = common_local_url('subscriptions',
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array('nickname' => $this->user->nickname));
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common_redirect($url, 303);
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}
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}
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}
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