de55d8f83b
lib/plugin.php now has a parent onAutoload function that finds most common
files that are used in plugins (actions, dataobjects, forms, libs etc.) if
they are put in the standardised directories ('actions', 'classes', 'forms',
'lib' and perhaps some others in the future).
150 lines
4.4 KiB
PHP
150 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) 2008-2011, StatusNet, Inc.
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*
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* Tag 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 Brion Vibber <brion@status.net>
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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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* Tag subscription action
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*
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* Takes parameters:
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*
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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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* @author Brion Vibber <brion@status.net>
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* @copyright 2008-2011 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 TagsubAction extends Action
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{
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var $user;
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var $tag;
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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($args);
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if ($this->boolean('ajax')) {
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StatusNet::setApi(true);
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}
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// Only allow POST requests
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if ($_SERVER['REQUEST_METHOD'] != 'POST') {
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// TRANS: Client error displayed trying to perform any request method other than POST.
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// TRANS: Do not translate POST.
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$this->clientError(_m('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 || $token != common_session_token()) {
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// TRANS: Client error displayed when the session token is not okay.
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$this->clientError(_m('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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// TRANS: Error message displayed when trying to perform an action that requires a logged in user.
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$this->clientError(_m('Not logged in.'));
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return false;
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}
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// Profile to subscribe to
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$this->tag = $this->arg('tag');
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if (empty($this->tag)) {
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// TRANS: Client error displayed trying to subscribe to a non-existing profile.
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$this->clientError(_m('No such profile.'));
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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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TagSub::start($this->user->getProfile(),
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$this->tag);
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if ($this->boolean('ajax')) {
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$this->startHTML('text/xml;charset=utf-8');
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$this->elementStart('head');
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// TRANS: Page title when tag subscription succeeded.
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$this->element('title', null, _m('Subscribed'));
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$this->elementEnd('head');
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$this->elementStart('body');
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$unsubscribe = new TagUnsubForm($this, $this->tag);
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$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('tag',
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array('tag' => $this->tag));
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common_redirect($url, 303);
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}
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}
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}
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