101 lines
3.1 KiB
PHP
101 lines
3.1 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Base class for all actions with automatic showPage() call in handle()
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*
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* PHP version 5
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*
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* LICENCE: 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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* @category Action
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @author Sarven Capadisli <csarven@status.net>
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* @copyright 2008 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('GNUSOCIAL')) { exit(1); }
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class ManagedAction extends Action
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{
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protected function prepare(array $args = [])
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{
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if (!parent::prepare($args)) {
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return false;
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}
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$this->doPreparation();
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return true;
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}
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protected function doPreparation()
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{
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// pass by default
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}
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/**
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* Handler method
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*/
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protected function handle()
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{
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parent::handle();
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if ($this->canPost && $this->isPost()) {
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try {
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$this->msg = $this->handlePost();
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} catch (Exception $e) {
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$this->error = $e->getMessage();
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}
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}
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$this->showPage();
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}
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/**
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* If this is extended in child classes, they should
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* end with 'return parent::handlePost();' - and they
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* should only extend this function if what they do
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* cannot be handled in ->doPost()
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*/
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protected function handlePost()
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{
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// This will only be run if the Action has the property canPost==true
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assert($this->canPost);
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// check for this before token since all POST and FILES data
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// is losts when size is exceeded
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if (empty($_POST) && $_SERVER['CONTENT_LENGTH']>0) {
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// TRANS: Client error displayed when the number of bytes in a POST request exceeds a limit.
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// TRANS: %s is the number of bytes of the CONTENT_LENGTH.
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$msg = sprintf(_m('The server was unable to handle that much POST data (%s MiB) due to its current configuration.'),
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round($_SERVER['CONTENT_LENGTH']/1024/1024,2));
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throw new ClientException($msg);
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}
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$this->checkSessionToken();
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return $this->doPost();
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}
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/**
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* Do Post stuff. Return a string if successful,
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* describing what has been done. Always throw an
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* exception on failure, with a descriptive message.
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*/
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protected function doPost() {
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return false;
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}
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}
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