forked from GNUsocial/gnu-social
8d57fb7dc0
FormAction will act as a parent class to Action classes that use forms of various sorts, such as newgroup creation, settings actions etc.
114 lines
3.4 KiB
PHP
114 lines
3.4 KiB
PHP
<?php
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/**
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* Form action extendable class.
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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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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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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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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* Form action extendable class
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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 Mikael Nordfeldth <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*/
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class FormAction extends Action
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{
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protected $form = null;
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protected $type = null;
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protected function prepare(array $args=array()) {
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parent::prepare($args);
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$this->form = $this->form ?: $this->action;
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$this->args['form'] = $this->form;
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$this->type = !is_null($this->type) ? $this->type : $this->trimmed('type');
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$this->args['context'] = $this->trimmed('action'); // reply for notice for example
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if (!$this->type) {
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$this->type = null;
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}
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return true;
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}
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protected function handle()
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{
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parent::handle();
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if ($this->isPost()) {
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try {
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$msg = $this->handlePost();
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$this->showForm($msg, true);
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} catch (Exception $e) {
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$this->showForm($e->getMessage());
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}
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} else {
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$this->showForm();
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}
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}
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public function isReadOnly($args) {
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return !$this->isPost();
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}
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public function showForm($msg=null, $success=false)
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{
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if ($success) {
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$this->msg = $msg;
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} else {
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$this->error = $msg;
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}
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$this->showPage();
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}
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/**
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* Gets called from handle() if isPost() is true;
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* @return void
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*/
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protected function handlePost() {
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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 = _m('The server was unable to handle that much POST data (%s MiB) due to its current configuration.',
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'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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}
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}
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