mirror of
https://github.com/Combodo/iTop.git
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111 lines
4.0 KiB
PHP
111 lines
4.0 KiB
PHP
<?php
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// Copyright (C) 2010-2016 Combodo SARL
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//
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// This file is part of iTop.
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//
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// iTop 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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// iTop 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 iTop. If not, see <http://www.gnu.org/licenses/>
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/**
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* Handles various ajax requests
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*
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* @copyright Copyright (C) 2010-2016 Combodo SARL
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* @license http://opensource.org/licenses/AGPL-3.0
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*/
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require_once('../approot.inc.php');
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require_once(APPROOT.'application/utils.inc.php');
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if (array_key_exists('HTTP_IF_MODIFIED_SINCE', $_SERVER) && (strlen($_SERVER['HTTP_IF_MODIFIED_SINCE']) > 0))
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{
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// The content is garanteed to be unmodified since the URL includes a signature based on the contents of the document
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header('not modified', true, 304);
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exit;
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}
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try
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{
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require_once(APPROOT.'/application/application.inc.php');
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require_once(APPROOT.'/application/webpage.class.inc.php');
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require_once(APPROOT.'/application/ajaxwebpage.class.inc.php');
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require_once(APPROOT.'/application/startup.inc.php');
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require_once(APPROOT.'/application/loginwebpage.class.inc.php');
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$oPage = new ajax_page("");
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$oPage->no_cache();
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$operation = utils::ReadParam('operation', '');
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$sClass = utils::ReadParam('class', 'MissingAjaxParam', false, 'class');
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switch($operation)
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{
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case 'download_document':
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// Fixing security hole from bug N°1227, disabling by default attachment from legacy portal.
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$sRequestedPortalId = ((MetaModel::GetConfig()->Get('disable_attachments_download_legacy_portal') === true) && ($sClass === 'Attachment')) ? 'backoffice' : null;
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LoginWebPage::DoLoginEx($sRequestedPortalId, false);
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$id = utils::ReadParam('id', '');
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$sField = utils::ReadParam('field', '');
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if ($sClass == 'Attachment')
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{
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$iCacheSec = 31556926; // One year ahead: an attachment cannot change
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}
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else
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{
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$iCacheSec = (int)utils::ReadParam('cache', 0);
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}
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if (!empty($sClass) && ($sClass != 'InlineImage') && !empty($id) && !empty($sField))
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{
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ormDocument::DownloadDocument($oPage, $sClass, $id, $sField, 'attachment');
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if ($iCacheSec > 0)
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{
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$oPage->add_header("Expires: "); // Reset the value set in ajax_page
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$oPage->add_header("Cache-Control: no-transform,public,max-age=$iCacheSec,s-maxage=$iCacheSec");
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$oPage->add_header("Pragma: cache"); // Reset the value set .... where ?
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$oPage->add_header("Last-Modified: Wed, 15 Jun 2015 13:21:15 GMT"); // An arbitrary date in the past is ok
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}
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}
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break;
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case 'download_inlineimage':
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// No login is required because the "secret" protects us
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// Benefit: the inline image can be inserted into any HTML (templating = $this->html(public_log)$)
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$id = utils::ReadParam('id', '');
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$sSecret = utils::ReadParam('s', '');
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$iCacheSec = 31556926; // One year ahead: an inline image cannot change
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if (!empty($id) && !empty($sSecret))
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{
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ormDocument::DownloadDocument($oPage, 'InlineImage', $id, 'contents', 'inline', 'secret', $sSecret);
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$oPage->add_header("Expires: "); // Reset the value set in ajax_page
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$oPage->add_header("Cache-Control: no-transform,public,max-age=$iCacheSec,s-maxage=$iCacheSec");
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$oPage->add_header("Pragma: cache"); // Reset the value set .... where ?
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$oPage->add_header("Last-Modified: Wed, 15 Jun 2016 13:21:15 GMT"); // An arbitrary date in the past is ok
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}
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break;
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default:
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$oPage->p("Invalid query.");
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}
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$oPage->output();
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}
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catch (Exception $e)
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{
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// note: transform to cope with XSS attacks
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echo htmlentities($e->GetMessage(), ENT_QUOTES, 'utf-8');
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IssueLog::Error($e->getMessage()."\nDebug trace:\n".$e->getTraceAsString());
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}
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