|
|
|
|
|
<?php // $Id: download.php 22201 2009-07-17 19:57:03Z cfasanando $
|
|
|
|
|
|
/*
|
|
|
|
|
|
==============================================================================
|
|
|
|
|
|
Dokeos - elearning and course management software
|
|
|
|
|
|
|
|
|
|
|
|
Copyright (c) 2004 Dokeos S.A.
|
|
|
|
|
|
Copyright (c) 2003 Ghent University (UGent)
|
|
|
|
|
|
Copyright (c) 2001 Universite catholique de Louvain (UCL)
|
|
|
|
|
|
Copyright (c) Olivier Brouckaert
|
|
|
|
|
|
Copyright (c) Roan Embrechts
|
|
|
|
|
|
Copyright (c) Sergio A. Kessler aka "sak"
|
|
|
|
|
|
|
|
|
|
|
|
For a full list of contributors, see "credits.txt".
|
|
|
|
|
|
The full license can be read in "license.txt".
|
|
|
|
|
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
|
|
|
|
modify it under the terms of the GNU General Public License
|
|
|
|
|
|
as published by the Free Software Foundation; either version 2
|
|
|
|
|
|
of the License, or (at your option) any later version.
|
|
|
|
|
|
|
|
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
|
|
|
|
|
|
|
|
Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
|
|
|
|
|
|
==============================================================================
|
|
|
|
|
|
*/
|
|
|
|
|
|
/**
|
|
|
|
|
|
==============================================================================
|
|
|
|
|
|
* This file is responsible for passing requested documents to the browser.
|
|
|
|
|
|
* Html files are parsed to fix a few problems with URLs,
|
|
|
|
|
|
* but this code will hopefully be replaced soon by an Apache URL
|
|
|
|
|
|
* rewrite mechanism.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @package dokeos.document
|
|
|
|
|
|
==============================================================================
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
|
==============================================================================
|
|
|
|
|
|
FUNCTIONS
|
|
|
|
|
|
==============================================================================
|
|
|
|
|
|
*/
|
|
|
|
|
|
/* file_html_dynamic_parsing removed */
|
|
|
|
|
|
/* other functions updated and moved to lib/document.lib.php */
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
|
==============================================================================
|
|
|
|
|
|
MAIN CODE
|
|
|
|
|
|
==============================================================================
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
session_cache_limiter('none');
|
|
|
|
|
|
|
|
|
|
|
|
require_once '../inc/global.inc.php';
|
|
|
|
|
|
$this_section=SECTION_COURSES;
|
|
|
|
|
|
|
|
|
|
|
|
require_once api_get_path(LIBRARY_PATH).'document.lib.php';
|
|
|
|
|
|
|
|
|
|
|
|
$doc_url = $_GET['doc_url'];
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//change the '&' that got rewritten to '///' by mod_rewrite back to '&'
|
|
|
|
|
|
$doc_url = str_replace('///', '&', $doc_url);
|
|
|
|
|
|
//still a space present? it must be a '+' (that got replaced by mod_rewrite)
|
|
|
|
|
|
$doc_url = str_replace(' ', '+', $doc_url);
|
|
|
|
|
|
|
|
|
|
|
|
$doc_url = str_replace(array('../','\\..','\\0','..\\'),array('','','',''), $doc_url); //echo $doc_url;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// dealing with image included into survey: when users receive a link towards a
|
|
|
|
|
|
// survey while not being authenticated on the plateform.
|
|
|
|
|
|
// the administrator should probably be able to disable this code through admin
|
|
|
|
|
|
// inteface
|
|
|
|
|
|
$refer_script = strrchr($_SERVER["HTTP_REFERER"],'/');
|
|
|
|
|
|
if (substr($refer_script,0,15) == "/fillsurvey.php") {
|
|
|
|
|
|
$invitation = substr(strstr($refer_script, 'invitationcode='),15);
|
|
|
|
|
|
$course = strstr($refer_script, 'course=');
|
|
|
|
|
|
$course = substr($course, 7, strpos($course, '&')-7);
|
|
|
|
|
|
include ("../survey/survey.download.inc.php");
|
|
|
|
|
|
$_course = check_download_survey($course, $invitation, $doc_url);
|
|
|
|
|
|
$_course['path']=$_course['directory'];
|
|
|
|
|
|
} else {
|
|
|
|
|
|
//protection
|
|
|
|
|
|
api_protect_course_script();
|
|
|
|
|
|
|
|
|
|
|
|
if (! isset($_course))
|
|
|
|
|
|
{
|
|
|
|
|
|
api_not_allowed(true);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//if the rewrite rule asks for a directory, we redirect to the document explorer
|
|
|
|
|
|
if(is_dir(api_get_path(SYS_COURSE_PATH).$_course['path']."/document".$doc_url))
|
|
|
|
|
|
{
|
|
|
|
|
|
//remove last slash if present
|
|
|
|
|
|
//$doc_url = ($doc_url{strlen($doc_url)-1}=='/')?substr($doc_url,0,strlen($doc_url)-1):$doc_url;
|
|
|
|
|
|
//mod_rewrite can change /some/path/ to /some/path// in some cases, so clean them all off (Ren<EFBFBD>)
|
|
|
|
|
|
while ($doc_url{$dul = strlen($doc_url)-1}=='/') $doc_url = substr($doc_url,0,$dul);
|
|
|
|
|
|
//group folder?
|
|
|
|
|
|
$gid_req = ($_GET['gidReq'])?'&gidReq='.Security::remove_XSS($_GET['gidReq']):'';
|
|
|
|
|
|
//create the path
|
|
|
|
|
|
$document_explorer = api_get_path(WEB_CODE_PATH).'document/document.php?curdirpath='.urlencode($doc_url).'&cidReq='.Security::remove_XSS($_GET['cidReq']).$gid_req;
|
|
|
|
|
|
//redirect
|
|
|
|
|
|
header('Location: '.$document_explorer);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// launch event
|
|
|
|
|
|
event_download($doc_url);
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
$sys_course_path = api_get_path(SYS_COURSE_PATH);
|
|
|
|
|
|
$full_file_name = $sys_course_path.$_course['path'].'/document'.$doc_url;
|
|
|
|
|
|
|
|
|
|
|
|
// check visibility of document and paths
|
|
|
|
|
|
$is_allowed_to_edit = api_is_allowed_to_edit();
|
|
|
|
|
|
if (!$is_allowed_to_edit &&
|
|
|
|
|
|
!DocumentManager::is_visible($doc_url, $_course)){
|
|
|
|
|
|
echo "document not visible"; //api_not_allowed backbutton won't work
|
|
|
|
|
|
exit; // you shouldn't be here anyway
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
DocumentManager::file_send_for_download($full_file_name);
|
|
|
|
|
|
|
|
|
|
|
|
?>
|
