+++ /dev/null
-<?php
-/**
- * StatusNet - the distributed open-source microblogging tool
- * Copyright (C) 2008-2011, StatusNet, Inc.
- *
- * Tag 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 Brion Vibber <brion@status.net>
- * @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);
-}
-
-/**
- * Tag subscription action
- *
- * Takes parameters:
- *
- * - 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>
- * @author Brion Vibber <brion@status.net>
- * @copyright 2008-2011 StatusNet, Inc.
- * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
- * @link http://status.net/
- */
-class TagsubAction extends Action
-{
- var $user;
- var $tag;
-
- /**
- * Check pre-requisites and instantiate attributes
- *
- * @param Array $args array of arguments (URL, GET, POST)
- *
- * @return boolean success flag
- */
- function prepare($args)
- {
- parent::prepare($args);
- if ($this->boolean('ajax')) {
- StatusNet::setApi(true);
- }
-
- // Only allow POST requests
-
- if ($_SERVER['REQUEST_METHOD'] != 'POST') {
- // TRANS: Client error displayed trying to perform any request method other than POST.
- // TRANS: Do not translate POST.
- $this->clientError(_m('This action only accepts POST requests.'));
- return false;
- }
-
- // CSRF protection
-
- $token = $this->trimmed('token');
-
- if (!$token || $token != common_session_token()) {
- // TRANS: Client error displayed when the session token is not okay.
- $this->clientError(_m('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)) {
- // TRANS: Error message displayed when trying to perform an action that requires a logged in user.
- $this->clientError(_m('Not logged in.'));
- return false;
- }
-
- // Profile to subscribe to
-
- $this->tag = $this->arg('tag');
-
- if (empty($this->tag)) {
- // TRANS: Client error displayed trying to subscribe to a non-existing profile.
- $this->clientError(_m('No such profile.'));
- 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
-
- TagSub::start($this->user->getProfile(),
- $this->tag);
-
- if ($this->boolean('ajax')) {
- $this->startHTML('text/xml;charset=utf-8');
- $this->elementStart('head');
- // TRANS: Page title when tag subscription succeeded.
- $this->element('title', null, _m('Subscribed'));
- $this->elementEnd('head');
- $this->elementStart('body');
- $unsubscribe = new TagUnsubForm($this, $this->tag);
- $unsubscribe->show();
- $this->elementEnd('body');
- $this->elementEnd('html');
- } else {
- $url = common_local_url('tag',
- array('tag' => $this->tag));
- common_redirect($url, 303);
- }
- }
-}