Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/document/create_document.php

530 lines
18 KiB

<?php // $Id: create_document.php 22259 2009-07-20 18:56:45Z ivantcholakov $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2008 Dokeos SPRL
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) Olivier Brouckaert
Copyright (c) Bart Mollet, Hogeschool Gent
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 address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* This file allows creating new html documents with an online WYSIWYG html380
* editor.
*
* @package dokeos.document
==============================================================================
*/
/*
==============================================================================
INIT SECTION
==============================================================================
*/
// name of the language file that needs to be included
$language_file = 'document';
require_once '../inc/global.inc.php';
$_SESSION['whereami'] = 'document/create';
$this_section = SECTION_COURSES;
$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
$htmlHeadXtra[] = '<script type="text/javascript">
function InnerDialogLoaded()
{
/*
var B=new window.frames[0].FCKToolbarButton(\'Templates\',window.frames[0].FCKLang.Templates);
return B.ClickFrame();
*/
var isIE = (navigator.appVersion.indexOf(\'MSIE\') != -1) ? true : false ;
var EditorFrame = null ;
if ( !isIE )
{
EditorFrame = window.frames[0] ;
}
else
{
// For this dynamic page window.frames[0] enumerates frames in a different order in IE.
// We need a sure method to locate the frame that contains the online editor.
for ( var i = 0, n = window.frames.length ; i < n ; i++ )
{
if ( window.frames[i].location.toString().indexOf(\'InstanceName=content\') != -1 )
{
EditorFrame = window.frames[i] ;
}
}
}
if ( !EditorFrame )
{
return null ;
}
var B = new EditorFrame.FCKToolbarButton(\'Templates\', EditorFrame.FCKLang.Templates);
return B.ClickFrame();
};
var temp=false;
var temp2=false;
var use_document_title='.api_get_setting('use_document_title').';
var load_default_template = '. ((isset($_POST['submit']) || empty($_SERVER['QUERY_STRING'])) ? 'false' : 'true' ) .';
function launch_templates()
{
//document.getElementById(\'frmModel\').style.display="block";
//document.getElementById(\'content___Frame\').width=\'70%\';
//window.frames[0].FCKToolbarItems.GetItem("Template").Click;
}
function FCKeditor_OnComplete( editorInstance )
{
editorInstance.Events.AttachEvent( \'OnSelectionChange\', check_for_title ) ;
document.getElementById(\'frmModel\').innerHTML = "<iframe style=\'height: 525px; width: 180px;\' scrolling=\'no\' frameborder=\'0\' src=\''.api_get_path(WEB_LIBRARY_PATH).'fckeditor/editor/fckdialogframe.html \'>";
}
function check_for_title()
{
if(temp==true){
// This functions shows that you can interact directly with the editor area
// DOM. In this way you have the freedom to do anything you want with it.
// Get the editor instance that we want to interact with.
var oEditor = FCKeditorAPI.GetInstance(\'content\') ;
// Get the Editor Area DOM (Document object).
var oDOM = oEditor.EditorDocument ;
var iLength ;
var contentText ;
var contentTextArray;
var bestandsnaamNieuw = "";
var bestandsnaamOud = "";
// The are two diffent ways to get the text (without HTML markups).
// It is browser specific.
if( document.all ) // If Internet Explorer.
{
contentText = oDOM.body.innerText ;
}
else // If Gecko.
{
var r = oDOM.createRange() ;
r.selectNodeContents( oDOM.body ) ;
contentText = r.toString() ;
}
var index=contentText.indexOf("/*<![CDATA");
contentText=contentText.substr(0,index);
// Compose title if there is none
contentTextArray = contentText.split(\' \') ;
var x=0;
for(x=0; (x<5 && x<contentTextArray.length); x++)
{
if(x < 4)
{
bestandsnaamNieuw += contentTextArray[x] + \' \';
}
else
{
bestandsnaamNieuw += contentTextArray[x];
}
}
// comment see FS#3335
// if(document.getElementById(\'title_edited\').value == "false")
// {
// document.getElementById(\'filename\').value = bestandsnaamNieuw;
// if(use_document_title){
// document.getElementById(\'title\').value = bestandsnaamNieuw;
// }
// }
}
temp=true;
}
function trim(s)
{
while(s.substring(0,1) == \' \') {
s = s.substring(1,s.length);
}
while(s.substring(s.length-1,s.length) == \' \') {
s = s.substring(0,s.length-1);
}
return s;
}
function check_if_still_empty()
{
if(trim(document.getElementById(\'filename\').value) != "")
{
document.getElementById(\'title_edited\').value = "true";
}
}
function setFocus(){
$("#document_title").focus();
}
$(window).load(function () {
setFocus();
});
</script>';
require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
require_once api_get_path(LIBRARY_PATH).'document.lib.php';
require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php';
require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
$nameTools = get_lang('CreateDocument');
/*
-----------------------------------------------------------
Constants and variables
-----------------------------------------------------------
*/
$dir = isset($_GET['dir']) ? Security::remove_XSS($_GET['dir']) : Security::remove_XSS($_POST['dir']); // please do not modify this dirname formatting
/*
==============================================================================
MAIN CODE
==============================================================================
*/
if (api_is_in_group())
{
$group_properties = GroupManager::get_group_properties($_SESSION['_gid']);
}
if (strstr($dir, '..'))
{
$dir = '/';
}
if ($dir[0] == '.')
{
$dir = substr($dir, 1);
}
if ($dir[0] != '/')
{
$dir = '/'.$dir;
}
if ($dir[strlen($dir) - 1] != '/')
{
$dir .= '/';
}
// Configuration for the FCKEDITOR
$doc_tree= explode('/', $dir);
$count_dir = count($doc_tree) -2; // "2" because at the begin and end there are 2 "/"
// Level correction for group documents.
if (!empty($group_properties['directory']))
{
$count_dir = $count_dir > 0 ? $count_dir - 1 : 0;
}
$relative_url='';
for($i=0;$i<($count_dir);$i++)
{
$relative_url.='../';
}
// we do this in order to avoid the condition in html_editor.php ==> if ($this -> fck_editor->Config['CreateDocumentWebDir']=='' || $this -> fck_editor->Config['CreateDocumentDir']== '')
if ($relative_url== '') {
$relative_url = '/';
}
$is_allowed_to_edit = api_is_allowed_to_edit(null,true);
$html_editor_config = array(
'ToolbarSet' => ($is_allowed_to_edit ? 'Documents' :'DocumentsStudent'),
'Width' => '100%',
'Height' => '600',
'FullPage' => true,
'InDocument' => true,
'CreateDocumentDir' => $relative_url,
'CreateDocumentWebDir' => (empty($group_properties['directory']))
? api_get_path('WEB_COURSE_PATH').$_course['path'].'/document/'
: api_get_path('WEB_COURSE_PATH').api_get_course_path().'/document'.$group_properties['directory'].'/',
'BaseHref' => api_get_path('WEB_COURSE_PATH').$_course['path'].'/document'.$dir
);
$filepath = api_get_path('SYS_COURSE_PATH').$_course['path'].'/document'.$dir;
if (!is_dir($filepath)) {
$filepath = api_get_path('SYS_COURSE_PATH').$_course['path'].'/document/';
$dir = '/';
}
//------------
/**************************************************/
$to_group_id = 0;
if (isset ($_SESSION['_gid']) && $_SESSION['_gid'] != '') {
$req_gid = '&amp;gidReq='.$_SESSION['_gid'];
$interbreadcrumb[] = array ("url" => "../group/group_space.php?gidReq=".$_SESSION['_gid'], "name" => get_lang('GroupSpace'));
$noPHP_SELF = true;
$to_group_id = $_SESSION['_gid'];
$group = GroupManager :: get_group_properties($to_group_id);
$path = explode('/', $dir);
if ('/'.$path[1] != $group['directory']) {
api_not_allowed(true);
}
}
$interbreadcrumb[] = array ("url" => "./document.php?curdirpath=".urlencode($_GET['dir']).$req_gid, "name" => get_lang('Documents'));
if (!$is_allowed_in_course)
api_not_allowed(true);
if (!($is_allowed_to_edit || $_SESSION['group_member_with_upload_rights'])) {
api_not_allowed(true);
}
/*
-----------------------------------------------------------
Header
-----------------------------------------------------------
*/
event_access_tool(TOOL_DOCUMENT);
$display_dir = $dir;
if (isset ($group)) {
$display_dir = explode('/', $dir);
unset ($display_dir[0]);
unset ($display_dir[1]);
$display_dir = implode('/', $display_dir);
}
// Create a new form
$form = new FormValidator('create_document');
// form title
$form->addElement('header', '', $nameTools);
$renderer = & $form->defaultRenderer();
// Hidden element with current directory
$form->addElement('hidden', 'dir');
$default['dir'] = $dir;
// Filename
$form->addElement('hidden','title_edited','false','id="title_edited"');
/**
* Check if a document width the choosen filename allready exists
*/
function document_exists($filename) {
global $filepath;
$filename = addslashes(trim($filename));
$filename = Security::remove_XSS($filename);
$filename = replace_dangerous_char($filename);
$filename = disable_dangerous_file($filename);
return !file_exists($filepath.$filename.'.html');
}
// Change the default renderer for the filename-field to display the dir and extension
/*
$renderer = & $form->defaultRenderer();
*/
//$filename_template = str_replace('{element}', "<tt>$display_dir</tt> {element} <tt>.html</tt>", $renderer->_elementTemplate);
$filename_template = str_replace('{element}', "{element}", $renderer->_elementTemplate);
$renderer->setElementTemplate($filename_template, 'filename');
// initialize group array
$group = array();
// If allowed, add element for document title
if (api_get_setting('use_document_title') == 'true') {
//$group[]= $form->add_textfield('title', get_lang('Title'),true,'class="input_titles" id="title"');
// replace the add_textfield with this
$group[]=$form->createElement('text','title',get_lang('Title'),'class="input_titles" id="document_title"');
//$form->applyFilter('title','trim');
//$form->addRule('title', get_lang('ThisFieldIsRequired'), 'required');
// Added by Ivan Tcholakov, 10-OCT-2009.
$form->addElement('hidden', 'filename', '', array('id' => 'filename'));
//
} else {
//$form->add_textfield('filename', get_lang('FileName'),true,'class="input_titles" id="filename" onblur="check_if_still_empty()"');
// replace the add_textfield with this
$group[]=$form->createElement('text','filename',get_lang('FileName'),'class="input_titles" id="document_title" onblur="check_if_still_empty()"');
//$form->applyFilter('filename','trim');
//$form->addRule('filename', get_lang('ThisFieldIsRequired'), 'required');
//$form->addRule('filename', get_lang('FileExists'), 'callback', 'document_exists');
// Added by Ivan Tcholakov, 10-OCT-2009.
$form->addElement('hidden', 'title', '', array('id' => 'title'));
//
}
/* Show read-only box only in groups */
if(!empty($_SESSION['_gid'])) {
//$renderer->setElementTemplate('<div class="row"><div class="label"></div><div class="formw">{element}{label}</div></div>', 'readonly');
$group[]= $form->createElement('checkbox','readonly','',get_lang('ReadOnly'));
}
// add group to the form
$form->addGroup($group, 'filename_group', api_get_setting('use_document_title') == 'true' ? get_lang('Title') : get_lang('FileName') ,'&nbsp;&nbsp;&nbsp;', false);
$form->addRule('filename_group', get_lang('ThisFieldIsRequired'), 'required');
if (api_get_setting('use_document_title') == 'true') {
$form->addGroupRule('filename_group', array(
'title' => array(
array(get_lang('ThisFieldIsRequired'), 'required'),
array(get_lang('FileExists'),'callback', 'document_exists')
)
));
} else {
$form->addGroupRule('filename_group', array(
'filename' => array(
array(get_lang('ThisFieldIsRequired'), 'required'),
array(get_lang('FileExists'),'callback', 'document_exists')
)
));
}
$current_session_id = api_get_session_id();
//$form->addElement('style_submit_button', 'submit', get_lang('SaveDocument'), 'class="save"');
// HTML-editor
$renderer->setElementTemplate('<div class="row"><div class="label" id="frmModel" style="overflow: visible;"></div><div class="formw">{element}</div></div>', 'content');
$form->add_html_editor('content','', false, false, $html_editor_config);
// Comment-field
//$form->addElement('textarea', 'comment', get_lang('Comment'), array ('rows' => 5, 'cols' => 50));
$form->addElement('style_submit_button', 'submit', get_lang('langCreateDoc'), 'class="save"');
$form->setDefaults($default);
// HTML
/*
$form->addElement('html','<div id="frmModel" style="display:block; height:525px; width:240px; position:absolute; top:115px; left:1px;"></div>');
*/
// If form validates -> save the new document
if ($form->validate()) {
$values = $form->exportValues();
$readonly = isset($values['readonly']) ? 1 : 0;
$values['title']=addslashes(trim($values['title']));
$values['title'] = Security::remove_XSS($values['title']);
$values['title'] = replace_dangerous_char($values['title']);
$values['title'] = disable_dangerous_file($values['title']);
$values['filename'] = addslashes(trim($values['filename']));
$values['filename'] = Security::remove_XSS($values['filename']);
$values['filename'] = replace_dangerous_char($values['filename']);
$values['filename'] = disable_dangerous_file($values['filename']);
if (api_get_setting('use_document_title') != 'true') {
$values['title'] = $values['filename'];
} else {
$values['filename'] = $values['title'];
}
$filename = $values['filename'];
$title = $values['title'];
$extension = 'html';
$texte = $values['content'];
$texte=Security::remove_XSS($texte,COURSEMANAGERLOWSECURITY);
if (!strstr($texte, '/css/frames.css')) {
$texte = str_replace('</head>', '<style> body{margin:10px;}</style> <link rel="stylesheet" href="./css/frames.css" type="text/css" /></head>', $texte);
}
if ($fp = @ fopen($filepath.$filename.'.'.$extension, 'w')) {
$texte = text_filter($texte);
$content = str_replace(api_get_path('WEB_COURSE_PATH'), $_configuration['url_append'].'/courses/', $texte);
// change the path of mp3 to absolute
// first regexp deals with ../../../ urls
// Disabled by Ivan Tcholakov.
//$content = preg_replace("|(flashvars=\"file=)(\.+/)+|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/',$content);
//second regexp deals with audio/ urls
// Disabled by Ivan Tcholakov.
//$content = preg_replace("|(flashvars=\"file=)([^/]+)/|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/$2/',$content);
fputs($fp, $content);
fclose($fp);
chmod($filepath.$filename.'.'.$extension, api_get_permissions_for_new_files());
if (!is_dir($filepath.'css')) {
mkdir($filepath.'css', api_get_permissions_for_new_directories());
$doc_id = add_document($_course, $dir.'css', 'folder', 0, 'css');
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'FolderCreated', $_user['user_id'],null,null,null,null,$current_session_id);
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'invisible', $_user['user_id'],null,null,null,null,$current_session_id);
}
if (!is_file($filepath.'css/frames.css')) {
//make a copy of the current css for the new document
copy(api_get_path(SYS_CODE_PATH).'css/'.api_get_setting('stylesheets').'/frames.css', $filepath.'css/frames.css');
$doc_id = add_document($_course, $dir.'css/frames.css', 'file', filesize($filepath.'css/frames.css'), 'frames.css');
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'DocumentAdded', $_user['user_id'],null,null,null,null,$current_session_id);
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'invisible', $_user['user_id'],null,null,null,null,$current_session_id);
}
$file_size = filesize($filepath.$filename.'.'.$extension);
$save_file_path = $dir.$filename.'.'.$extension;
$document_id = add_document($_course, $save_file_path, 'file', $file_size, $filename,null,$readonly);
if ($document_id) {
api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', $_user['user_id'], $to_group_id,null,null,null,$current_session_id);
//update parent folders
item_property_update_on_folder($_course, $_GET['dir'], $_user['user_id']);
$new_comment = isset ($_POST['comment']) ? trim($_POST['comment']) : '';
$new_title = isset ($_POST['title']) ? trim($_POST['title']) : '';
if ($new_comment || $new_title) {
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
$ct = '';
if ($new_comment)
$ct .= ", comment='$new_comment'";
if ($new_title)
$ct .= ", title='$new_title'";
Database::query("UPDATE $TABLE_DOCUMENT SET".substr($ct, 1)." WHERE id = '$document_id'", __FILE__, __LINE__);
}
$dir= substr($dir,0,-1);
header('Location: document.php?curdirpath='.urlencode($dir));
exit ();
} else {
Display :: display_header($nameTools, "Doc");
Display :: display_error_message(get_lang('Impossible'));
Display :: display_footer();
}
} else {
Display :: display_header($nameTools, "Doc");
//api_display_tool_title($nameTools);
Display :: display_error_message(get_lang('Impossible'));
Display :: display_footer();
}
} else {
Display :: display_header($nameTools, "Doc");
//api_display_tool_title($nameTools);
// actions
echo '<div class="actions">';
// link back to the documents overview
echo '<a href="document.php?curdirpath='.Security::remove_XSS($_GET['dir']).'">'.Display::return_icon('back.png',get_lang('Back').' '.get_lang('To').' '.get_lang('DocumentsOverview')).get_lang('BackTo').' '.get_lang('DocumentsOverview').'</a>';
echo '</div>';
$form->display();
Display :: display_footer();
}
?>