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- <?php // $Id: edit_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) Roan Embrechts
- Copyright (c) Rene Haentjens (RH) (update 2004/09/30)
- 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, info@dokeos.com
- ==============================================================================
- */
- /**
- ==============================================================================
- * 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 dokeos.document
- * @todo improve script structure (FormValidator is used to display form, but
- * not for validation at the moment)
- ==============================================================================
- */
- // name of the language file that needs to be included
- $language_file = 'document';
- /*
- ------------------------------------------------------------------------------
- Included libraries
- ------------------------------------------------------------------------------
- */
- require_once '../inc/global.inc.php';
- // Template's javascript
- $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=texte\') != -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;
- require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
- 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';
- /*
- ------------------------------------------------------------------------------
- Constants & Variables
- ------------------------------------------------------------------------------
- */
- if (api_is_in_group())
- {
- $group_properties = GroupManager::get_group_properties($_SESSION['_gid']);
- }
- $file = $_GET['file'];
- //echo('file: '.$file.'<br>');
- $doc=basename($file);
- //echo('doc: '.$doc.'<br>');
- $dir=Security::remove_XSS($_GET['curdirpath']);
- //echo('dir: '.$dir.'<br>');
- $file_name = $doc;
- //echo('file_name: '.$file_name.'<br>');
- $baseServDir = api_get_path(SYS_COURSE_PATH);
- $baseServUrl = $_configuration['url_append']."/";
- $courseDir = $_course['path']."/document";
- $baseWorkDir = $baseServDir.$courseDir;
- $group_document = false;
- $current_session_id = api_get_session_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.='../';
- }
- $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
- );
- $use_document_title = (api_get_setting('use_document_title')=='true') ? true : false;
- $noPHP_SELF=true;
- /*
- ------------------------------------------------------------------------------
- Other init code
- ------------------------------------------------------------------------------
- */
- /* please do not modify this dirname formatting */
- if(strstr($dir,'..'))
- {
- $dir='/';
- }
- if($dir[0] == '.')
- {
- $dir=substr($dir,1);
- }
- if($dir[0] != '/')
- {
- $dir='/'.$dir;
- }
- if($dir[strlen($dir)-1] != '/')
- {
- $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='/';
- }
- /**************************************************/
- $dbTable = Database::get_course_table(TABLE_DOCUMENT);
- if(!empty($_SESSION['_gid']))
- {
- $req_gid = '&gidReq='.$_SESSION['_gid'];
- $interbreadcrumb[]= array ("url"=>"../group/group_space.php?gidReq=".$_SESSION['_gid'], "name"=> get_lang('GroupSpace'));
- $group_document = true;
- $noPHP_SELF=true;
- }
- $my_cur_dir_path=Security::remove_XSS($_GET['curdirpath']);
- $interbreadcrumb[]=array("url"=>"./document.php?curdirpath=".urlencode($my_cur_dir_path).$req_gid, "name"=> get_lang('Documents'));
- $is_allowedToEdit = is_allowed_to_edit() || $_SESSION['group_member_with_upload_rights'];
- if(!$is_allowedToEdit)
- {
- api_not_allowed(true);
- }
- $user_id = api_get_user_id();
- event_access_tool(TOOL_DOCUMENT);
- if (!is_allowed_to_edit())
- {
- if(DocumentManager::check_readonly($_course,$user_id,$file))
- {
- api_not_allowed();
- }
- }
- /*
- ==============================================================================
- MAIN TOOL CODE
- ==============================================================================
- */
- /*
- ------------------------------------------------------------------------------
- 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.
- */
- function change_name($baseWorkDir, $sourceFile, $renameTo, $dir, $doc)
- {
- $file_name_for_change = $baseWorkDir.$dir.$sourceFile;
- //api_display_debug_info("call my_rename: params $file_name_for_change, $renameTo");
- $renameTo = disable_dangerous_file($renameTo); //avoid renaming to .htaccess file
- $renameTo = my_rename($file_name_for_change, stripslashes($renameTo)); //fileManage API
- if ($renameTo)
- {
- if (isset($dir) && $dir != "")
- {
- $sourceFile = $dir.$sourceFile;
- $new_full_file_name = dirname($sourceFile)."/".$renameTo;
- }
- else
- {
- $sourceFile = "/".$sourceFile;
- $new_full_file_name = "/".$renameTo;
- }
- update_db_info("update", $sourceFile, $new_full_file_name); //fileManage API
- $name_changed = get_lang("ElRen");
- $info_message = get_lang('fileModified');
- $GLOBALS['file_name'] = $renameTo;
- $GLOBALS['doc'] = $renameTo;
- return $info_message;
- }
- else
- {
- $dialogBox = get_lang('FileExists');
- /* return to step 1 */
- $rename = $sourceFile;
- unset($sourceFile);
- }
- }
- /*
- ------------------------------------------------------------------------------
- Code to change the comment
- ------------------------------------------------------------------------------
- Step 2. React on POST data
- (Step 1 see below)
- */
- if (isset($_POST['newComment']))
- {
- //to try to fix the path if it is wrong
- $commentPath = str_replace("//", "/", Database::escape_string(Security::remove_XSS($_POST['commentPath'])));
- $newComment = trim(Database::escape_string(Security::remove_XSS($_POST['newComment']))); // remove spaces
- $newTitle = trim(Database::escape_string(Security::remove_XSS($_POST['newTitle']))); // remove spaces
- // Check if there is already a record for this file in the DB
- $result = Database::query ("SELECT * FROM $dbTable WHERE path LIKE BINARY '".$commentPath."'",__FILE__,__LINE__);
- while($row = Database::fetch_array($result, 'ASSOC'))
- {
- $attribute['path' ] = $row['path' ];
- $attribute['comment' ] = $row['title'];
- }
- //Determine the correct query to the DB
- //new code always keeps document in database
- $query = "UPDATE $dbTable
- SET comment='".$newComment."', title='".$newTitle."'
- WHERE path
- LIKE BINARY '".$commentPath."'";
- Database::query($query,__FILE__,__LINE__);
- $oldComment = $newComment;
- $oldTitle = $newTitle;
- $comments_updated = get_lang('ComMod');
- $info_message = get_lang('fileModified');
- }
- /*
- ------------------------------------------------------------------------------
- Code to change the name
- ------------------------------------------------------------------------------
- Step 2. react on POST data - change the name
- (Step 1 see below)
- */
- if (isset($_POST['renameTo']))
- {
- $info_message = change_name($baseWorkDir, $_GET['sourceFile'], $_POST['renameTo'], $dir, $doc);
- //assume name change was successful
- }
- /*
- ------------------------------------------------------------------------------
- Code to change the comment
- ------------------------------------------------------------------------------
- Step 1. Create dialog box.
- */
- /** TODO check if this code is still used **/
- /* Search the old comment */ // RH: metadata: added 'id,'
- $result = Database::query("SELECT id,comment,title FROM $dbTable WHERE path LIKE BINARY '$dir$doc'",__FILE__,__LINE__);
- $message = "<i>Debug info</i><br>directory = $dir<br>";
- $message .= "document = $file_name<br>";
- $message .= "comments file = " . $file . "<br>";
- //Display::display_normal_message($message);
- while($row = Database::fetch_array($result, 'ASSOC'))
- {
- $oldComment = $row['comment'];
- $oldTitle = $row['title'];
- $docId = $row['id']; // RH: metadata
- }
- /*
- ------------------------------------------------------------------------------
- WYSIWYG HTML EDITOR - Program Logic
- ------------------------------------------------------------------------------
- */
- if($is_allowedToEdit)
- {
- if($_POST['formSent']==1)
- {
- if(isset($_POST['renameTo']))
- {
- $_POST['filename']=disable_dangerous_file($_POST['renameTo']);
- $extension=explode('.',$_POST['filename']);
- $extension=$extension[sizeof($extension)-1];
- $_POST['filename']=str_replace('.'.$extension,'',$_POST['filename']);
- }
- $filename=stripslashes($_POST['filename']);
- $texte=trim(str_replace(array("\r","\n"),"",stripslashes($_POST['texte'])));
- $texte=Security::remove_XSS($texte,COURSEMANAGERLOWSECURITY);
- if(!strstr($texte,'/css/frames.css'))
- {
- $texte=str_replace('</title></head>','</title><link rel="stylesheet" href="../css/frames.css" type="text/css" /></head>',$texte);
- }
- // RH commented: $filename=replace_dangerous_char($filename,'strict');
- // What??
- //if($_POST['extension'] != 'htm' && $_POST['extension'] != 'html')
- //{
- //$extension='html';
- //}
- //else
- //{
- $extension = $_POST['extension'];
- //}
- $file=$dir.$filename.'.'.$extension;
- $read_only_flag=$_POST['readonly'];
- if (!empty($read_only_flag))
- {
- $read_only_flag=1;
- }
- else
- {
- $read_only_flag=0;
- }
- $show_edit=$_SESSION['showedit'];
- //unset($_SESSION['showedit']);
- api_session_unregister('showedit');
- if(empty($filename))
- {
- $msgError=get_lang('NoFileName');
- }
- else
- {
- if ($read_only_flag==0)
- {
- if (!empty($texte))
- {
- if($fp=@fopen($filepath.$filename.'.'.$extension,'w'))
- {
- $texte = text_filter($texte);
- //if flv player, change absolute paht temporarely to prevent from erasing it in the following lines
- $texte = str_replace('flv=h','flv=h|',$texte);
- $texte = str_replace('flv=/','flv=/|',$texte);
- // change the path of mp3 to absolute
- // first regexp deals with ../../../ urls
- // Disabled by Ivan Tcholakov.
- //$texte = preg_replace("|(flashvars=\"file=)(\.+/)+|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/',$texte);
- //second regexp deals with audio/ urls
- // Disabled by Ivan Tcholakov.
- //$texte = preg_replace("|(flashvars=\"file=)([^/]+)/|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/$2/',$texte);
- fputs($fp,$texte);
- fclose($fp);
- $perm = api_get_setting('permissions_for_new_directories');
- $perm = octdec(!empty($perm)?$perm:'0770');
- if(!is_dir($filepath.'css'))
- {
- mkdir($filepath.'css',$perm);
- $doc_id=add_document($_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'))
- {
- $platform_theme= api_get_setting('stylesheets');
- if (file_exists(api_get_path(SYS_CODE_PATH).'css/'.$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', $_user['user_id'],null,null,null,null,$current_session_id);
- api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'invisible', $_user['user_id'],null,null,null,null,$current_session_id);
- }
- }
- // "WHAT'S NEW" notification: update table item_property (previously last_tooledit)
- $document_id = DocumentManager::get_document_id($_course,$file);
- if($document_id)
- {
- $file_size = filesize($filepath.$filename.'.'.$extension);
- update_existing_document($_course, $document_id,$file_size,$read_only_flag);
- api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentUpdated', $_user['user_id'],null,null,null,null,$current_session_id);
- //update parent folders
- item_property_update_on_folder($_course,$dir,$_user['user_id']);
- $dir= substr($dir,0,-1);
- header('Location: document.php?curdirpath='.urlencode($dir));
- exit ();
- }
- else
- {
- //$msgError=get_lang('Impossible');
- }
- }
- else
- {
- $msgError=get_lang('Impossible');
- }
- }
- else
- {
- if (is_file($filepath.$filename.'.'.$extension)) {
- $file_size = filesize($filepath.$filename.'.'.$extension);
- $document_id = DocumentManager::get_document_id($_course,$file);
- if ($document_id) {
- update_existing_document($_course, $document_id,$file_size,$read_only_flag);
- }
- }
- }
- }
- else
- {
- if (is_file($filepath.$filename.'.'.$extension)) {
- $file_size = filesize($filepath.$filename.'.'.$extension);
- $document_id = DocumentManager::get_document_id($_course,$file);
- if ($document_id) {
- update_existing_document($_course, $document_id,$file_size,$read_only_flag);
- }
- }
- if (empty($document_id)) //or if is folder
- {
- $folder=$_POST['file_path'];
- $document_id = DocumentManager::get_document_id($_course,$folder);
- if (DocumentManager::is_folder($_course, $document_id))
- {
- if($document_id)
- {
- update_existing_document($_course, $document_id,$file_size,$read_only_flag);
- }
- }
- }
- }
- }
- }
- }
- //replace relative paths by absolute web paths (e.g. "./" => "http://www.dokeos.com/courses/ABC/document/")
- if(file_exists($filepath.$doc))
- {
- $extension=explode('.',$doc);
- $extension=$extension[sizeof($extension)-1];
- $filename=str_replace('.'.$extension,'',$doc);
- $extension=strtolower($extension);
- /*if(!in_array($extension,array('html','htm'))) // that was wrong
- {
- $extension=$filename=$texte='';
- }*/
- if(in_array($extension,array('html','htm')))
- {
- $texte=file($filepath.$doc);
- $texte=implode('',$texte);
- $path_to_append=api_get_path('WEB_COURSE_PATH').$_course['path'].'/document'.$dir;
- $texte=str_replace('="./','="'.$path_to_append,$texte);
- $texte=str_replace('mp3player.swf?son=.%2F','mp3player.swf?son='.urlencode($path_to_append),$texte);
- }
- }
- /*
- ==============================================================================
- - display user interface
- ==============================================================================
- */
- // display the header
- $nameTools = get_lang("EditDocument") . ': '.$file_name;
- Display::display_header($nameTools,"Doc");
- // display the tool title
- //api_display_tool_title($nameTools);
- if(isset($msgError))
- {
- Display::display_error_message($msgError); //main API
- }
- if( isset($info_message))
- {
- Display::display_normal_message($info_message); //main API
- }
- // readonly
- $sql = 'SELECT id, readonly FROM '.$dbTable.' WHERE path LIKE BINARY "'.$dir.$doc.'"';
- $rs = Database::query($sql, __FILE__, __LINE__);
- $readonly = Database::result($rs,0,'readonly');
- $doc_id = Database::result($rs,0,'id');
- // owner
- $sql = 'SELECT insert_user_id FROM '.Database::get_course_table(TABLE_ITEM_PROPERTY).'
- WHERE tool LIKE "document"
- AND ref='.intval($doc_id);
- $rs = Database::query($sql, __FILE__, __LINE__);
- $owner_id = Database::result($rs,0,'insert_user_id');
- if ($owner_id == $_user['user_id'] || api_is_platform_admin() || $is_allowed_to_edit || GroupManager :: is_user_in_group($_user['user_id'],$_SESSION['_gid'] ))
- {
- $get_cur_path=Security::remove_XSS($_GET['curdirpath']);
- $get_file=Security::remove_XSS($_GET['file']);
- $action = api_get_self().'?sourceFile='.urlencode($file_name).'&curdirpath='.urlencode($get_cur_path).'&file='.urlencode($get_file).'&doc='.urlencode($doc);
- $form = new FormValidator('formEdit','post',$action);
- // form title
- $form->addElement('header', '', $nameTools);
- $renderer = $form->defaultRenderer();
- $form->addElement('hidden','filename');
- $form->addElement('hidden','extension');
- $form->addElement('hidden','file_path');
- $form->addElement('hidden','commentPath');
- $form->addElement('hidden','showedit');
- if($use_document_title)
- {
- $form->add_textfield('newTitle',get_lang('Title'));
- $defaults['newTitle'] = $oldTitle;
- }
- else
- {
- $form->addElement('hidden','renameTo');
- }
- $form->addElement('hidden','formSent');
- $defaults['formSent'] = 1;
- $read_only_flag=$_POST['readonly'];
- $defaults['texte'] = $texte;
- //if($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;
- $renderer->setElementTemplate('<div class="row"><div class="label" id="frmModel" style="overflow: visible;"></div><div class="formw">{element}</div></div>', 'texte');
- $form->add_html_editor('texte', '', false, true, $html_editor_config);
- }
- }
- if(!$group_document)
- {
- $metadata_link = '<a href="../metadata/index.php?eid='.urlencode('Document.'.$docId).'">'.get_lang('AddMetadata').'</a>';
- $form->addElement('static',null,get_lang('Metadata'),$metadata_link);
- }
- $form->addElement('textarea','newComment',get_lang('Comment'),'rows="3" style="width:300px;"');
- /*
- $renderer = $form->defaultRenderer();
- */
- if ($owner_id == $_user['user_id'] || api_is_platform_admin())
- {
- $renderer->setElementTemplate('<div class="row"><div class="label"></div><div class="formw">{element}{label}</div></div>', 'readonly');
- $checked =&$form->addElement('checkbox','readonly',get_lang('ReadOnly'));
- if ($readonly==1)
- {
- $checked->setChecked(true);
- }
- }
- $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['newComment'] = $oldComment;
- $form->setDefaults($defaults);
- // show templates
- /*
- $form->addElement('html','<div id="frmModel" style="display:block; height:525px; width:240px; position:absolute; top:115px; left:1px;"></div>');
- */
- $form->display();
- //Display::display_error_message(get_lang('ReadOnlyFile')); //main API
- }
- /*
- ==============================================================================
- DOKEOS FOOTER
- ==============================================================================
- */
- Display::display_footer();
- ?>
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