165 lines
4.9 KiB
PHP
165 lines
4.9 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* Plugin enable 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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* @copyright 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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* Plugin enable action.
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*
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* (Re)-enables a plugin from the default plugins list.
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*
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* Takes parameters:
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*
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* - plugin: plugin name
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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 Brion Vibber <brion@status.net>
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* @copyright 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 PluginEnableAction extends Action
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{
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var $user;
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var $plugin;
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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(array $args = array())
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{
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parent::prepare($args);
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// @fixme these are pretty common, should a parent class factor these out?
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// Only allow POST requests
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if ($_SERVER['REQUEST_METHOD'] != 'POST') {
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// TRANS: Client error displayed when trying to use another method than POST.
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// TRANS: Do not translate POST.
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$this->clientError(_('This action only accepts POST requests.'));
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}
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// CSRF protection
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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// TRANS: Client error displayed when the session token does not match or is not given.
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$this->clientError(_('There was a problem with your session token.'.
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' Try again, please.'));
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}
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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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$this->clientError(_('Not logged in.'));
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}
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if (!AdminPanelAction::canAdmin('plugins')) {
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// TRANS: Client error displayed when trying to enable or disable a plugin without access rights.
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$this->clientError(_('You cannot administer plugins.'));
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}
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$this->plugin = $this->arg('plugin');
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$defaultPlugins = common_config('plugins', 'default');
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if (!array_key_exists($this->plugin, $defaultPlugins)) {
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// TRANS: Client error displayed when trying to enable or disable a non-existing plugin.
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$this->clientError(_('No such plugin.'));
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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 $args unused.
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*
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* @return void
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*/
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function handle()
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{
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$key = 'disable-' . $this->plugin;
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Config::save('plugins', $key, $this->overrideValue());
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// @fixme this is a pretty common pattern and should be refactored down
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if ($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, $this->successShortTitle());
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$this->elementEnd('head');
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$this->elementStart('body');
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$form = $this->successNextForm();
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$form->show();
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$this->elementEnd('body');
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$this->endHTML();
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} else {
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$url = common_local_url('pluginsadminpanel');
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common_redirect($url, 303);
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}
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}
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/**
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* Value to save into $config['plugins']['disable-<name>']
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*/
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protected function overrideValue()
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{
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return 0;
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}
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protected function successShortTitle()
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{
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// TRANS: Page title for AJAX form return when enabling a plugin.
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return _m('plugin', 'Enabled');
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}
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protected function successNextForm()
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{
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return new DisablePluginForm($this, $this->plugin);
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}
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}
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