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

544 lines
21 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This file allows editing documents.
*
* Based on create_document, this file allows
* - edit name
* - edit comments
* - edit metadata (requires a document table entry)
* - edit html content (only for htm/html files)
*
* For all files
* - show editable name field
* - show editable comments field
* Additionally, for html and text files
* - show RTE
*
* Remember, all files and folders must always have an entry in the
* database, regardless of wether they are visible/invisible, have
* comments or not.
*
* @package chamilo.document
* @todo improve script structure (FormValidator is used to display form, but
* not for validation at the moment)
*/
/**
* Code
*/
// Name of the language file that needs to be included
$language_file = array('document', 'gradebook');
/* Included libraries */
require_once '../inc/global.inc.php';
// Template's javascript
$htmlHeadXtra[] = '
<script>
var hide_bar = function() {
$("#main_content .span3").hide();
$("#doc_form").removeClass("span9");
$("#doc_form").addClass("span11");
$("#hide_bar_template").css({"background-image" : \'url("../img/hide2.png")\'})
}
$(document).ready(function() {
$("#hide_bar_template").toggle(
function() {
$("#main_content .span3").hide();
$("#doc_form").removeClass("span9");
$("#doc_form").addClass("span11");
$(this).css({"background-image" : \'url("../img/hide2.png")\'})
},
function() {
$("#main_content .span3").show();
$("#doc_form").removeClass("span11");
$("#doc_form").addClass("span9");
$(this).css("background-image", \'url("../img/hide0.png")\');
}
);
});
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();
};
function FCKeditor_OnComplete( editorInstance) {
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 \'>";
}
</script>';
$_SESSION['whereami'] = 'document/create';
$this_section = SECTION_COURSES;
$lib_path = api_get_path(LIBRARY_PATH);
require_once $lib_path.'fileManage.lib.php';
require_once $lib_path.'fileUpload.lib.php';
require_once api_get_path(SYS_CODE_PATH).'document/document.inc.php';
if (api_is_in_group()) {
$group_properties = GroupManager::get_group_properties($group_id);
}
$course_info = api_get_course_info();
$dir = '/';
if (isset($_GET['id'])) {
$document_data = DocumentManager::get_document_data_by_id($_GET['id'], api_get_course_id(), true);
$document_id = $document_data['id'];
$file = $document_data['path'];
$parent_id = DocumentManager::get_document_id($course_info, dirname($file));
$dir = dirname($document_data['path']);
$dir_original = $dir;
$doc = basename($file);
$my_cur_dir_path = Security::remove_XSS($_GET['curdirpath']);
$readonly = $document_data['readonly'];
}
if (empty($document_data)) {
api_not_allowed();
}
$is_certificate_mode = DocumentManager::is_certificate_mode($dir);
//Call from
$call_from_tool = Security::remove_XSS($_GET['origin']);
$slide_id = Security::remove_XSS($_GET['origin_opt']);
$file_name = $doc;
$group_document = false;
$current_session_id = api_get_session_id();
$group_id = api_get_group_id();
$user_id = api_get_user_id();
$doc_tree = explode('/', $file);
$count_dir = count($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 .= '../';
}
$html_editor_config = array(
'ToolbarSet' => (api_is_allowed_to_edit(null, true) ? '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
);
if ($is_certificate_mode) {
$html_editor_config['CreateDocumentDir'] = api_get_path(WEB_COURSE_PATH).$_course['path'].'/document/';
$html_editor_config['CreateDocumentWebDir'] = api_get_path(WEB_COURSE_PATH).$_course['path'].'/document/';
$html_editor_config['BaseHref'] = api_get_path(WEB_COURSE_PATH).$_course['path'].'/document'.$dir;
}
$is_allowed_to_edit = api_is_allowed_to_edit(null, true) || $_SESSION['group_member_with_upload_rights']|| is_my_shared_folder(api_get_user_id(), $dir, $current_session_id);
$noPHP_SELF = true;
/* Other initialization code */
$dbTable = Database::get_course_table(TABLE_DOCUMENT);
$course_id = api_get_course_int_id();
if (!empty($group_id)) {
$req_gid = '&amp;gidReq='.$group_id;
$interbreadcrumb[] = array ('url' => '../group/group_space.php?gidReq='.$group_id, 'name' => get_lang('GroupSpace'));
$group_document = true;
$noPHP_SELF = true;
}
if (!$is_certificate_mode)
$interbreadcrumb[]=array("url"=>"./document.php?curdirpath=".urlencode($my_cur_dir_path).$req_gid, "name"=> get_lang('Documents'));
else
$interbreadcrumb[]= array ( 'url' => '../gradebook/'.$_SESSION['gradebook_dest'], 'name' => get_lang('Gradebook'));
// Interbreadcrumb for the current directory root path
if (empty($document_data['parents'])) {
$interbreadcrumb[] = array('url' => '#', 'name' => $document_data['title']);
} else {
foreach($document_data['parents'] as $document_sub_data) {
if ($document_data['title'] == $document_sub_data['title']) {
continue;
}
$interbreadcrumb[] = array('url' => $document_sub_data['document_url'], 'name' => $document_sub_data['title']);
}
}
if (!is_allowed_to_edit) {
api_not_allowed(true);
}
event_access_tool(TOOL_DOCUMENT);
//TODO:check the below code and his funcionality
if (!is_allowed_to_edit()) {
if (DocumentManager::check_readonly($course_info, $user_id, $file)) {
api_not_allowed();
}
}
/* MAIN TOOL CODE */
/* Code to change the comment */
if (isset($_POST['comment'])) {
// Fixing the path if it is wrong
$comment = trim(Database::escape_string($_POST['comment']));
$title = trim(Database::escape_string($_POST['title']));
//Just in case see BT#3525
if (empty($title)) {
$title = $documen_data['title'];
}
if (empty($title)) {
$title = get_document_title($_POST['filename']);
}
if (!empty($document_id)) {
$query = "UPDATE $dbTable SET comment='".$comment."', title='".$title."' WHERE c_id = $course_id AND id = ".$document_id;
Database::query($query);
$info_message = get_lang('fileModified');
}
}
/* WYSIWYG HTML EDITOR - Program Logic */
if ($is_allowed_to_edit) {
if ($_POST['formSent'] == 1) {
$filename = stripslashes($_POST['filename']);
$extension = $_POST['extension'];
$content = trim(str_replace(array("\r", "\n"), '', stripslashes($_POST['content'])));
$content = Security::remove_XSS($content, COURSEMANAGERLOWSECURITY);
if (!strstr($content, '/css/frames.css')) {
$content = str_replace('</title></head>', '</title><link rel="stylesheet" href="../css/frames.css" type="text/css" /></head>', $content);
}
if ($dir == '/') {
$dir = '';
}
$file = $dir.'/'.$filename.'.'.$extension;
$read_only_flag = $_POST['readonly'];
$read_only_flag = empty($read_only_flag) ? 0 : 1;
if (empty($filename)) {
$msgError = get_lang('NoFileName');
} else {
$file_size = filesize($document_data['absolute_path']);
if ($read_only_flag == 0) {
if (!empty($content)) {
if ($fp = @fopen($document_data['absolute_path'], 'w')) {
// For flv player, change absolute paht temporarely to prevent from erasing it in the following lines
$content = str_replace(array('flv=h', 'flv=/'), array('flv=h|', 'flv=/|'), $content);
// Change the path of mp3 to absolute
// The first regexp deals with ../../../ urls
// Disabled by Ivan Tcholakov.
//$content = preg_replace("|(flashvars=\"file=)(\.+/)+|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/',$content);
// The second regexp deals with audio/ urls
// Disabled by Ivan Tcholakov.
//$content = preg_replace("|(flashvars=\"file=)([^/]+)/|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/$2/',$content);
fputs($fp, $content);
fclose($fp);
$filepath = $document_data['absolute_parent_path'];
if (!is_dir($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', api_get_user_id(), null, null, null, null, $current_session_id);
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'invisible', api_get_user_id(), null, null, null, null, $current_session_id);
}
if (!is_file($filepath.'css/frames.css')) {
$platform_theme = api_get_setting('stylesheets');
if (file_exists(api_get_path(SYS_CODE_PATH).'css/'.$platform_theme.'/frames.css')) {
copy(api_get_path(SYS_CODE_PATH).'css/'.$platform_theme.'/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', api_get_user_id(), null, null, null, null, $current_session_id);
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'invisible', api_get_user_id(), null, null, null, null, $current_session_id);
}
}
// "WHAT'S NEW" notification: update table item_property
$document_id = DocumentManager::get_document_id($_course, $file);
if ($document_id) {
update_existing_document($_course, $document_id, $file_size, $read_only_flag);
api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentUpdated', api_get_user_id(), null, null, null, null, $current_session_id);
// Update parent folders
item_property_update_on_folder($_course, $dir, api_get_user_id());
header('Location: document.php?id='.$document_data['parent_id']);
exit;
} else {
$msgError = get_lang('Impossible');
}
} else {
$msgError = get_lang('Impossible');
}
} else {
if ($document_id) {
update_existing_document($_course, $document_id, $file_size, $read_only_flag);
}
}
} else {
if ($document_id) {
update_existing_document($_course, $document_id, $file_size, $read_only_flag);
}
}
}
}
}
// Replace relative paths by absolute web paths (e.g. './' => 'http://www.chamilo.org/courses/ABC/document/')
if (file_exists($document_data['absolute_path'])) {
$path_info = pathinfo($document_data['absolute_path']);
$filename = $path_info['filename'];
$extension = $path_info['extension'];
if (in_array($extension, array('html', 'htm'))) {
$content = file($document_data['absolute_path']);
$content = implode('', $content);
//$path_to_append = api_get_path(WEB_COURSE_PATH).$_course['path'].'/document'.$dir;
// $content = str_replace('="./', '="'.$path_to_append, $content);
//$content = str_replace('mp3player.swf?son=.%2F', 'mp3player.swf?son='.urlencode($path_to_append), $content);
}
}
/* Display user interface */
// Display the header
$nameTools = get_lang('EditDocument') . ': '.Security::remove_XSS($document_data['title']);
Display::display_header($nameTools, 'Doc');
if (isset($msgError)) {
Display::display_error_message($msgError);
}
if (isset($info_message)) {
Display::display_confirmation_message($info_message);
if (isset($_POST['origin'])) {
$slide_id = $_POST['origin_opt'];
$call_from_tool = $_POST['origin'];
}
}
// Owner
$document_info = api_get_item_property_info(api_get_course_int_id(),'document', $document_id);
$owner_id = $document_info['insert_user_id'];
$last_edit_date = $document_info['lastedit_date'];
if ($owner_id == api_get_user_id() || api_is_platform_admin() || $is_allowed_to_edit || GroupManager :: is_user_in_group(api_get_user_id(), api_get_group_id() )) {
$action = api_get_self().'?id='.$document_data['id'];
$form = new FormValidator('formEdit', 'post', $action, null, array('class' => 'form-vertical'));
// Form title
$form->addElement('header', $nameTools);
$form->addElement('hidden', 'filename');
$form->addElement('hidden', 'extension');
$form->addElement('hidden', 'file_path');
$form->addElement('hidden', 'commentPath');
$form->addElement('hidden', 'showedit');
$form->addElement('hidden', 'origin');
$form->addElement('hidden', 'origin_opt');
$form->add_textfield('title', get_lang('Title'));
$defaults['title'] = $document_data['title'];
$form->addElement('hidden', 'formSent');
$defaults['formSent'] = 1;
$read_only_flag = $_POST['readonly'];
// Desactivation of IE proprietary commenting tags inside the text before loading it on the online editor.
// This fix has been proposed by Hubert Borderiou, see Bug #573, http://support.chamilo.org/issues/573
$defaults['content'] = str_replace('<!--[', '<!-- [', $content);
//if ($extension == 'htm' || $extension == 'html')
// HotPotatoes tests are html files, but they should not be edited in order their functionality to be preserved.
if (($extension == 'htm' || $extension == 'html') && stripos($dir, '/HotPotatoes_files') === false) {
if (empty($readonly) && $readonly == 0) {
$_SESSION['showedit'] = 1;
$form->add_html_editor('content','', false, false, $html_editor_config);
//$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, true, $html_editor_config);
}
}
if (!$group_document && !is_my_shared_folder(api_get_user_id(), $my_cur_dir_path, $current_session_id)) {
$metadata_link = '<a href="../metadata/index.php?eid='.urlencode('Document.'.$document_data['id']).'">'.get_lang('AddMetadata').'</a>';
//Updated on field
$last_edit_date = api_get_local_time($last_edit_date, null, date_default_timezone_get());
$display_date = date_to_str_ago($last_edit_date).' <span class="dropbox_date">'.api_format_date($last_edit_date).'</span>';
$form->addElement('static', null, get_lang('Metadata'), $metadata_link);
$form->addElement('static', null, get_lang('UpdatedOn'), $display_date);
}
$form->addElement('textarea', 'comment', get_lang('Comment'), 'rows="3" style="width:300px;"');
if ($owner_id == api_get_user_id() || api_is_platform_admin()) {
$checked =& $form->addElement('checkbox', 'readonly', null, get_lang('ReadOnly'));
if ($readonly == 1) {
$checked->setChecked(true);
}
}
if ($is_certificate_mode)
$form->addElement('style_submit_button', 'submit', get_lang('SaveCertificate'), 'class="save"');
else
$form->addElement('style_submit_button','submit',get_lang('SaveDocument'), 'class="save"');
$defaults['filename'] = $filename;
$defaults['extension'] = $extension;
$defaults['file_path'] = Security::remove_XSS($_GET['file']);
$defaults['commentPath'] = $file;
$defaults['renameTo'] = $file_name;
$defaults['comment'] = $document_data['comment'];
$defaults['origin'] = Security::remove_XSS($_GET['origin']);
$defaults['origin_opt'] = Security::remove_XSS($_GET['origin_opt']);
$form->setDefaults($defaults);
show_return($parent_id, $dir_original, $call_from_tool, $slide_id, $is_certificate_mode);
if ($is_certificate_mode) {
$all_information_by_create_certificate=DocumentManager::get_all_info_to_certificate(api_get_user_id(), api_get_course_id());
$str_info='';
foreach ($all_information_by_create_certificate[0] as $info_value) {
$str_info.=$info_value.'<br/>';
}
$create_certificate=get_lang('CreateCertificateWithTags');
Display::display_normal_message($create_certificate.': <br /><br />'.$str_info,false);
}
if ($extension=='svg' && !api_browser_support('svg') && api_get_setting('enabled_support_svg') == 'true'){
Display::display_warning_message(get_lang('BrowserDontSupportsSVG'));
}
echo '<div class="row-fluid" style="overflow:hidden">
<div class="span3">
<div id="frmModel" style="overflow: visible;"></div>
</div>
<div id="hide_bar_template" class="span1"></div>
<div id="doc_form" class="span9">
'.$form->return_form().'
</div>
</div>';
}
Display::display_footer();
/* General functions */
/*
Workhorse functions
These do the actual work that is expected from of this tool, other functions
are only there to support these ones.
*/
/**
This function changes the name of a certain file.
It needs no global variables, it takes all info from parameters.
It returns nothing.
@todo check if this function is used
*/
function change_name($base_work_dir, $source_file, $rename_to, $dir, $doc) {
$file_name_for_change = $base_work_dir.$dir.$source_file;
//api_display_debug_info("call my_rename: params $file_name_for_change, $rename_to");
$rename_to = disable_dangerous_file($rename_to); // Avoid renaming to .htaccess file
$rename_to = my_rename($file_name_for_change, stripslashes($rename_to)); // fileManage API
if ($rename_to) {
if (isset($dir) && $dir != '') {
$source_file = $dir.$source_file;
$new_full_file_name = dirname($source_file).'/'.$rename_to;
} else {
$source_file = '/'.$source_file;
$new_full_file_name = '/'.$rename_to;
}
update_db_info('update', $source_file, $new_full_file_name); // fileManage API
$name_changed = get_lang('ElRen');
$info_message = get_lang('fileModified');
$GLOBALS['file_name'] = $rename_to;
$GLOBALS['doc'] = $rename_to;
return $info_message;
} else {
$dialogBox = get_lang('FileExists'); // TODO: This variable is not used.
/* Return to step 1 */
$rename = $source_file;
unset($source_file);
}
}
//return button back to
function show_return($document_id, $path, $call_from_tool='', $slide_id=0, $is_certificate_mode=false) {
global $parent_id;
$pathurl = urlencode($path);
echo '<div class="actions">';
if ($is_certificate_mode) {
echo '<a href="document.php?curdirpath='.Security::remove_XSS($_GET['curdirpath']).'&selectcat=' . Security::remove_XSS($_GET['selectcat']).'">'.Display::return_icon('back.png',get_lang('Back').' '.get_lang('To').' '.get_lang('CertificateOverview'),'',ICON_SIZE_MEDIUM).'</a>';
} elseif($call_from_tool=='slideshow') {
echo '<a href="'.api_get_path(WEB_PATH).'main/document/slideshow.php?slide_id='.$slide_id.'&curdirpath='.Security::remove_XSS(urlencode($_GET['curdirpath'])).'">'.Display::return_icon('slideshow.png', get_lang('BackTo').' '.get_lang('ViewSlideshow'),'',ICON_SIZE_MEDIUM).'</a>';
} elseif($call_from_tool=='editdraw') {
echo '<a href="document.php?action=exit_slideshow&id='.$parent_id.'">'.Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</a>';
echo '<a href="javascript:history.back(1)">'.Display::return_icon('draw.png', get_lang('BackTo').' '.get_lang('Draw'), array(), 32).'</a>';
} elseif($call_from_tool=='editpaint'){
echo '<a href="document.php?action=exit_slideshow&id='.$parent_id.'">'.Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('DocumentsOverview'), array(), ICON_SIZE_MEDIUM).'</a>';
echo '<a href="javascript:history.back(1)">'.Display::return_icon('paint.png', get_lang('BackTo').' '.get_lang('Paint'), array(), 32).'</a>';
} else {
echo '<a href="document.php?action=exit_slideshow&id='.$parent_id.'">'.Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</a>';
}
echo '</div>';
}