@ -1,9 +1,10 @@
<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2008 Dokeos S.A.
Copyright (c) 2004-2008 Dokeos S.P.R.L
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
@ -26,7 +27,7 @@
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University - ability for course admins to specify wether uploaded documents are visible or invisible by default.
* @author Roan Embrechts, code refactoring and virtual course support
* @author Frederic Vauthier, directories management
* @version $Id: work.php 14679 2008-03-21 14:15:28Z elixir_inter $
* @version $Id: work.php 14753 2008-04-03 22:20:25Z juliomontoya $
*
* @todo refactor more code into functions, use quickforms, coding standards, ...
*/
@ -83,16 +84,19 @@
*/
// name of the language file that needs to be included
$language_file = array('work','document','admin');
$language_file = array (
'work',
'document',
'admin'
);
// Section (for the tabs)
$this_section = SECTION_COURSES;
// @todo why is this needed?
//session
if(isset($_GET['id_session']))
{
$_SESSION['id_session'] = $_GET['id_session'];
if (isset ($_GET['id_session'])) {
$_SESSION['id_session'] = Database::escape_string($_GET['id_session']);
}
$htmlHeadXtra[] = '< script >
@ -136,7 +140,6 @@ require_once('work.lib.php');
$main_course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
$work_table = Database :: get_course_table(TABLE_STUDENT_PUBLICATION);
$iprop_table = Database :: get_course_table(TABLE_ITEM_PROPERTY);
/*
-----------------------------------------------------------
Constants and variables
@ -171,32 +174,26 @@ $course_dir = $sys_course_path.$_course['path'];
$base_work_dir = $course_dir . '/work';
$http_www = api_get_path('WEB_COURSE_PATH') . $_course['path'] . '/work';
$cur_dir_path = '';
if(isset($_GET['curdirpath']) & & $_GET['curdirpath']!='')
{
if (isset ($_GET['curdirpath']) & & $_GET['curdirpath'] != '') {
//$cur_dir_path = preg_replace('#[\.]+/#','',$_GET['curdirpath']); //escape '..' hack attempts
//now using common security approach with security lib
$in_course = Security :: check_abs_path($base_work_dir . '/' . $_GET['curdirpath'], $base_work_dir);
if(!$in_course)
{
if (!$in_course) {
$cur_dir_path = "/";
} else {
$cur_dir_path = $_GET['curdirpath'];
}
}
elseif (isset($_POST['curdirpath']) & & $_POST['curdirpath']!='')
{
elseif (isset ($_POST['curdirpath']) & & $_POST['curdirpath'] != '') {
//$cur_dir_path = preg_replace('#[\.]+/#','/',$_POST['curdirpath']); //escape '..' hack attempts
//now using common security approach with security lib
$in_course = Security :: check_abs_path($base_work_dir . '/' . $_POST['curdirpath'], $base_work_dir);
if(!$in_course)
{
if (!$in_course) {
$cur_dir_path = "/";
} else {
$cur_dir_path = $_POST['curdirpath'];
}
}
else
{
} else {
$cur_dir_path = '/';
}
if ($cur_dir_path == '.') {
@ -204,7 +201,6 @@ if($cur_dir_path == '.'){
}
$cur_dir_path_url = urlencode($cur_dir_path);
//prepare a form of path that can easily be added at the end of any url ending with "work/"
$my_cur_dir_path = $cur_dir_path;
if ($my_cur_dir_path == '/')
@ -223,16 +219,13 @@ elseif(substr($my_cur_dir_path,-1,1)!='/')
$link_target_parameter = ""; //or e.g. "target=\"_blank\"";
$always_show_tool_options = false;
$always_show_upload_form = false;
if ($always_show_tool_options)
{
if ($always_show_tool_options) {
$display_tool_options = true;
}
if ($always_show_upload_form)
{
if ($always_show_upload_form) {
$display_upload_form = true;
}
api_protect_course_script();
api_protect_course_script(true);
/*
-----------------------------------------------------------
@ -240,14 +233,12 @@ api_protect_course_script();
-----------------------------------------------------------
*/
if(isset($_POST['cancelForm']) & & !empty($_POST['cancelForm']))
{
if (isset ($_POST['cancelForm']) & & !empty ($_POST['cancelForm'])) {
header('Location: ' . api_get_self() . "?origin=$origin");
exit ();
}
if ($_POST['submitWork'] || $submitGroupWorkUrl)
{
if ($_POST['submitWork'] || $submitGroupWorkUrl) {
// these libraries are only used for upload purpose
// so we only include them when necessary
include_once (api_get_path(INCLUDE_PATH) . "lib/fileUpload.lib.php");
@ -257,24 +248,19 @@ if ($_POST['submitWork'] || $submitGroupWorkUrl)
// If the POST's size exceeds 8M (default value in php.ini) the $_POST array is emptied
// If that case happens, we set $submitWork to 1 to allow displaying of the error message
// The redirection with header() is needed to avoid apache to show an error page on the next request
if($_SERVER['REQUEST_METHOD'] == 'POST' & & !sizeof($_POST))
{
if(strstr($_SERVER['REQUEST_URI'],'?'))
{
if ($_SERVER['REQUEST_METHOD'] == 'POST' & & !sizeof($_POST)) {
if (strstr($_SERVER['REQUEST_URI'], '?')) {
header('Location: ' . $_SERVER['REQUEST_URI'] . '&submitWork=1');
exit ();
}
else
{
} else {
header('Location: ' . $_SERVER['REQUEST_URI'] . '?submitWork=1');
exit ();
}
}
//toolgroup comes from group. the but of tis variable is to limit post to the group of the student
if (!api_is_course_admin()) {
if (!empty($_GET['toolgroup']))
{
$toolgroup=$_GET['toolgroup'];
if (!empty ($_GET['toolgroup'])) {
$toolgroup = Database::escape_string($_GET['toolgroup']);
api_session_register('toolgroup');
}
}
@ -284,12 +270,11 @@ if (!api_is_course_admin()){
-----------------------------------------------------------
*/
if ($origin != 'learnpath')
{
$interbreadcrumb[]= array ('url'=>$url_dir, 'name'=> get_lang('StudentPublications'));
if ($origin != 'learnpath') {
$interbreadcrumb[] = array (
'url' => $url_dir,
'name' => get_lang('StudentPublications'
));
//if (!$display_tool_options & & !$display_upload_form)
//{
@ -297,51 +282,49 @@ if ($origin != 'learnpath')
$dir_array = explode("/", $cur_dir_path);
$array_len = count($dir_array);
if ($array_len >0)
{
if ($array_len > 0) {
$url_dir = 'work.php?&curdirpath=/';
$interbreadcrumb[]= array ('url'=>$url_dir, 'name'=> get_lang('HomeDirectory'));
$interbreadcrumb[] = array (
'url' => $url_dir,
'name' => get_lang('HomeDirectory'
));
}
$dir_acum = '';
for ($i=0; $i< $array_len;$i++)
{
for ($i = 0; $i < $array_len; $i++) {
$url_dir = 'work.php?& curdirpath=' . $dir_acum . $dir_array[$i];
$interbreadcrumb[]= array ('url'=>$url_dir, 'name'=> $dir_array[$i]);
$interbreadcrumb[] = array (
'url' => $url_dir,
'name' => $dir_array[$i]
);
$dir_acum .= $dir_array[$i] . '/';
}
// }
if($display_upload_form)
{
if ($display_upload_form) {
//$tool_name = get_lang("UploadADocument");
//$interbreadcrumb[] = array ("url" => "work.php", "name" => get_lang('StudentPublications'));
$interbreadcrumb[] = array ("url" => "work.php", "name" => get_lang('UploadADocument'));
$interbreadcrumb[] = array (
"url" => "work.php",
"name" => get_lang('UploadADocument'));
}
if($display_tool_options)
{
if ($display_tool_options) {
//$tool_name = get_lang("EditToolOptions");
//$interbreadcrumb[] = array ("url" => "work.php", "name" => get_lang('StudentPublications'));
$interbreadcrumb[] = array ("url" => "work.php", "name" => get_lang('EditToolOptions'));
$interbreadcrumb[] = array (
"url" => "work.php",
"name" => get_lang('EditToolOptions'));
}
//--------------------------------------------------
Display :: display_header(null);
}
else
{
} else {
//we are in the learnpath tool
include api_get_path(INCLUDE_PATH) . 'reduced_header.inc.php';
}
//stats
event_access_tool(TOOL_STUDENTPUBLICATION);
@ -369,7 +352,6 @@ else
$uploadvisibledisabled = $row["show_score"];
}
/*
-----------------------------------------------------------
Introduction section
@ -405,8 +387,7 @@ if (api_is_allowed_to_edit())
if ($result1)
{
while ($thisUrl = mysql_fetch_array($result1))
{
while ($thisUrl = Database::fetch_array($result1)) {
// check the url really points to a file in the work area
// (some work links can come from groups area...)
//if (substr (dirname($thisUrl['url']), -4) == "work")
@ -430,7 +411,6 @@ if (api_is_allowed_to_edit())
if ($result)
{
$row = mysql_fetch_array($result);
$workTitle = $row['title'];
$workAuthor = $row['author'];
$workDescription = $row['description'];
@ -438,8 +418,6 @@ if (api_is_allowed_to_edit())
}
}
/*-------------------------------------------
MAKE INVISIBLE WORK COMMAND
-----------------------------------------*/
@ -468,8 +446,6 @@ if (api_is_allowed_to_edit())
}
}
/*-------------------------------------------
MAKE VISIBLE WORK COMMAND
-----------------------------------------*/
@ -497,20 +473,67 @@ if (api_is_allowed_to_edit())
api_sql_query($sql, __FILE__, __LINE__);
}
// update all the parents in the table item propery
$list_id=get_parent_directories($my_cur_dir_path);
for ($i = 0; $i < count ( $ list_id ) ; $ i + + )
{
api_item_property_update($_course, 'work', $list_id[$i], get_lang('FolderUpdated'), $user_id);
}
}
/*--------------------
* Create dir command
---------------------*/
if(!empty($_REQUEST['create_dir']) & & !empty($_REQUEST['new_dir'])){
if (!empty ($_REQUEST['create_dir']) & & !empty ($_REQUEST['new_dir']))
{
//create the directory
//needed for directory creation
include_once (api_get_path(LIBRARY_PATH) . "fileUpload.lib.php");
$added_slash = (substr($cur_dir_path, -1, 1) == '/') ? '' : '/';
$dir_name = $cur_dir_path . $added_slash . replace_dangerous_char($_POST['new_dir']);
$created_dir = create_unexisting_work_directory($base_work_dir, $dir_name);
// we insert here the directory in the table $work_table
$dir_name_sql='';
if ($created_dir)
{
//Display::display_normal_message("< strong > ".$created_dir."< / strong > was created!");
if ($cur_dir_path=='/')
{
$dir_name_sql = $created_dir;
}
else
{
$dir_name_sql = '/'.$created_dir;
}
$sql_add_publication = "INSERT INTO " . $work_table . " SET " .
"url = '" . $dir_name_sql . "',
title = '',
description = '',
author = '',
active = '0',
accepted = '1',
filetype = 'folder',
post_group_id = '0',
sent_date = NOW()";
api_sql_query($sql_add_publication, __FILE__, __LINE__);
// add the directory
$id = mysql_insert_id();
//Folder created
api_item_property_update($_course, 'work', $id, get_lang('DirCr'), $user_id);
// update all the parents in the table item propery
$list_id=get_parent_directories($my_cur_dir_path);
for ($i = 0; $i < count ( $ list_id ) ; $ i + + )
{
api_item_property_update($_course, 'work', $list_id[$i], get_lang('FolderUpdated'), $user_id);
}
//-------------------------------------------------------------------------------
Display :: display_normal_message('< span title = "' . $created_dir . '" > ' . get_lang('DirCr') . '< / span > ', false);
//uncomment if you want to enter the created dir
//$curdirpath = $created_dir;
@ -526,8 +549,9 @@ if (api_is_allowed_to_edit())
--------------------*/
if (!empty ($_REQUEST['delete_dir']))
{
del_dir($base_work_dir.'/',$_REQUEST['delete_dir']);
Display::display_normal_message($_REQUEST['delete_dir'].' '.get_lang('DirDeleted'));
$delete_directory=$_REQUEST['delete_dir'];
del_dir($base_work_dir . '/', $delete_directory);
Display :: display_normal_message($delete_directory . ' ' . get_lang('DirDeleted'));
}
/* ----------------------
* Move file form request
@ -544,12 +568,10 @@ if (api_is_allowed_to_edit())
{
include_once (api_get_path(LIBRARY_PATH) . "/fileManage.lib.php");
$move_to = $_POST['move_to'];
if($move_to == '/' or empty($move_to))
{
if ($move_to == '/' or empty ($move_to)) {
$move_to = '';
}
elseif(substr($move_to,-1,1)!='/')
{
elseif (substr($move_to, -1, 1) != '/') {
$move_to = $move_to . '/';
}
@ -558,13 +580,20 @@ if (api_is_allowed_to_edit())
{
//echo "got path $path";
//Display::display_normal_message('We want to move '.$_POST['move_file'].' to '.$_POST['move_to']);
if ( move($course_dir.'/'.$path,$base_work_dir.'/'.$move_to) )
{
if (move($course_dir . '/' . $path, $base_work_dir . '/' . $move_to)) {
//update db
update_work_url($_POST['move_file'], 'work/' . $move_to);
//set the current path
$cur_dir_path = $move_to;
$cur_dir_path_url = urlencode($move_to);
// update all the parents in the table item propery
$list_id=get_parent_directories($cur_dir_path);
for ($i = 0; $i < count ( $ list_id ) ; $ i + + )
{
api_item_property_update($_course, 'work', $list_id[$i], get_lang('FolderUpdated'), $user_id);
}
Display :: display_normal_message(get_lang('DirMv'));
}
else
@ -587,6 +616,7 @@ else
{
$iprop_table = Database :: get_course_table(TABLE_ITEM_PROPERTY);
$user_id = api_get_user_id();
/*-------------------------------------------
DELETE WORK COMMAND
-----------------------------------------*/
@ -601,13 +631,16 @@ else
//Get the author ID for that document from the item_property table
$author_sql = "SELECT * FROM $iprop_table WHERE tool = 'work' AND insert_user_id='$user_id' AND ref=" . mysql_real_escape_string($delete);
$author_qry = api_sql_query($author_sql, __FILE__, __LINE__);
if (Database :: num_rows($author_qry) == 1)
{
//we found the current user is the author
$queryString1 = "SELECT url FROM " . $work_table . " WHERE id = '$delete'";
$queryString2 = "DELETE FROM " . $work_table . " WHERE id='$delete'";
$result1 = api_sql_query($queryString1, __FILE__, __LINE__);
$result2 = api_sql_query($queryString2, __FILE__, __LINE__);
if ($result1)
{
api_item_property_update($_course, 'work', $delete, get_lang('DocumentDeleted'), $user_id);
@ -627,6 +660,7 @@ else
/*-------------------------------------------
EDIT COMMAND WORK COMMAND
-----------------------------------------*/
if ($edit)
{
//Get the author ID for that document from the item_property table
@ -637,11 +671,9 @@ else
//we found the current user is the author
$sql = "SELECT * FROM " . $work_table . " WHERE id='" . $edit . "'";
$result = api_sql_query($sql, __FILE__, __LINE__);
if ($result)
{
$row = mysql_fetch_array($result);
$workTitle = $row['title'];
$workAuthor = $row['author'];
$workDescription = $row['description'];
@ -649,6 +681,7 @@ else
}
}
}
}
/*
@ -682,7 +715,6 @@ if($_POST['submitWork'] && $is_course_member && $check)
}
else
{
if (!$title)
{
$title = $_FILES['file']['name'];
@ -705,46 +737,53 @@ if($_POST['submitWork'] && $is_course_member && $check)
{
$post_group_id = '0';
}
//if we come from the group tools the groupid will be saved in $work_table
move_uploaded_file($_FILES['file']['tmp_name'], $updir . $my_cur_dir_path . $new_file_name);
$url = "work/" . $my_cur_dir_path . $new_file_name;
$result = api_sql_query("SHOW FIELDS FROM " . $work_table . " LIKE 'sent_date'", __FILE__, __LINE__);
if (!mysql_num_rows($result))
{
api_sql_query("ALTER TABLE " . $work_table . " ADD sent_date DATETIME NOT NULL");
}
$current_date = date('Y-m-d H:i:s');
$sql_add_publication = "INSERT INTO ".$work_table."
SET url = '".$url. "',
$sql_add_publication = "INSERT INTO " . $work_table . " SET " .
"url = '" . $url . "',
title = '" . $title . "',
description = '" . $description . "',
author = '" . $authors . "',
active = '" . $active . "',
accepted = '" . (!$uploadvisibledisabled) . "',
post_group_id = '" . $post_group_id . "',
sent_date = NOW() ";
sent_date = ' ".$current_date ."' ";
api_sql_query($sql_add_publication, __FILE__, __LINE__);
$Id = mysql_insert_id();
api_item_property_update($_course, 'work', $Id, get_lang('DocumentAdded'), $user_id);
$succeed = true;
}
// update all the parents in the table item propery
$list_id=get_parent_directories($my_cur_dir_path);
for ($i = 0; $i < count ( $ list_id ) ; $ i + + )
{
api_item_property_update($_course, 'work', $list_id[$i], get_lang('FolderUpdated'), $user_id);
}
}
}
elseif ($newWorkUrl)
{
/*
* SPECIAL CASE ! For a work coming from another area (i.e. groups)
*/
elseif ($newWorkUrl)
{
$url = str_replace('../../' . $_course['path'] . '/', '', $newWorkUrl);
if (!$title)
{
$title = basename($workUrl);
@ -752,8 +791,7 @@ if($_POST['submitWork'] && $is_course_member && $check)
$result = api_sql_query("SHOW FIELDS FROM " . $work_table . " LIKE 'sent_date'", __FILE__, __LINE__);
if(!mysql_num_rows($result))
{
if (!Database::num_rows($result)) {
api_sql_query("ALTER TABLE " . $work_table . " ADD sent_date DATETIME NOT NULL");
}
@ -766,9 +804,16 @@ if($_POST['submitWork'] && $is_course_member && $check)
api_sql_query($sql, __FILE__, __LINE__);
$insertId = mysql_ insert_id();
$insertId = Database:: insert_id();
api_item_property_update($_course, 'work', $insertId, get_lang('DocumentAdded'), $user_id);
$succeed = true;
// update all the parents in the table item propery
$list_id=get_parent_directories($my_cur_dir_path);
for ($i = 0; $i < count ( $ list_id ) ; $ i + + )
{
api_item_property_update($_course, 'work', $list_id[$i], get_lang('FolderUpdated'), $user_id);
}
}
/*
@ -781,8 +826,7 @@ if($_POST['submitWork'] && $is_course_member && $check)
$is_author = false;
$author_sql = "SELECT * FROM $iprop_table WHERE tool = 'work' AND insert_user_id='$user_id' AND ref=" . mysql_real_escape_string($id);
$author_qry = api_sql_query($author_sql, __FILE__, __LINE__);
if(Database::num_rows($author_qry)==1)
{
if (Database :: num_rows($author_qry) == 1) {
$is_author = true;
}
@ -815,8 +859,7 @@ if ($_POST['submitWork'] && $succeed &&!$id) //last value is to check this is no
{
//YW Tis part serve to send a e-mail to the tutors when a new file is sent
$send = api_get_course_setting('email_alert_manager_on_new_doc');
if($send>0)
{
if ($send > 0) {
// Lets predefine some variables. Be sure to change the from address!
$table_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
@ -824,8 +867,7 @@ if ($_POST['submitWork'] && $succeed &&!$id) //last value is to check this is no
$table_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
$emailto = array ();
if(empty($_SESSION['id_session']))
{
if (empty ($_SESSION['id_session'])) {
$sql_resp = 'SELECT u.email as myemail FROM ' . $table_course_user . ' cu, ' . $table_user . ' u WHERE cu.course_code = ' . "'" . api_get_course_id() . "'" . ' AND cu.status = 1 AND u.user_id = cu.user_id';
$res_resp = api_sql_query($sql_resp, __FILE__, __LINE__);
while ($row_email = Database :: fetch_array($res_resp)) {
@ -833,9 +875,7 @@ if ($_POST['submitWork'] && $succeed &&!$id) //last value is to check this is no
$emailto[$row_email['myemail']] = $row_email['myemail'];
}
}
}
else
{
} else {
// coachs of the session
$sql_resp = 'SELECT user.email as myemail
FROM ' . $table_session . ' session
@ -884,13 +924,14 @@ if ($_POST['submitWork'] && $succeed &&!$id) //last value is to check this is no
}
}
$message = get_lang('DocAdd');
if ($uploadvisibledisabled & & !$is_allowed_to_edit)
{
if ($uploadvisibledisabled & & !$is_allowed_to_edit) {
$message .= "< br / > " . get_lang('_doc_unvisible') . "< br / > ";
}
//stats
if(!$Id) { $Id = $insertId; }
if (!$Id) {
$Id = $insertId;
}
event_upload($Id);
$submit_success_message = $message . "< br / > \n";
Display :: display_normal_message($submit_success_message, false);
@ -904,24 +945,21 @@ if ($_POST['submitWork'] && $succeed &&!$id) //last value is to check this is no
display_action_links($cur_dir_path, $always_show_tool_options, $always_show_upload_form);
/*=======================================
Display form to upload document
=======================================*/
if($is_course_member)
{
if ($is_course_member) {
if ($display_upload_form || $edit)
{
$token = Security :: get_token(); //generate token to be used to check validity of request
if($edit){
if ($edit)
{
//Get the author ID for that document from the item_property table
$is_author = false;
$author_sql = "SELECT * FROM $iprop_table WHERE tool = 'work' AND insert_user_id='$user_id' AND ref=" . $edit;
$author_qry = api_sql_query($author_sql, __FILE__, __LINE__);
if(Database::num_rows($author_qry)==1)
{
if (Database :: num_rows($author_qry) == 1) {
$is_author = true;
}
}
@ -931,7 +969,8 @@ if ($_POST['submitWork'] && $succeed &&!$id) //last value is to check this is no
$form = new FormValidator('form', 'POST', api_get_self() . "?curdirpath=" . Security :: remove_XSS($cur_dir_path) . "& origin=$origin", '', 'enctype="multipart/form-data"');
if(!empty($error_message)) Display::display_error_message($error_message);
if (!empty ($error_message))
Display :: display_error_message($error_message);
if ($submitGroupWorkUrl) // For user comming from group space to publish his work
{
@ -956,7 +995,6 @@ if ($_POST['submitWork'] && $succeed &&!$id) //last value is to check this is no
< / div > ';
$form->addElement('html', $html);
}
else // else standard upload option
{
$form->addElement('file', 'file', get_lang('DownloadFile'), 'size="30" onchange="updateDocumentTitle(this.value)"');
@ -983,15 +1021,12 @@ if ($_POST['submitWork'] && $succeed &&!$id) //last value is to check this is no
$form->addElement('submit', 'submitWork', get_lang('Ok'));
if ($_POST['submitWork'] || $edit)
{
$form->addElement('submit', 'cancelForm', get_lang('Cancel'));
}
$form->add_real_progress_bar('uploadWork', 'DownloadFile');
$form->setDefaults($defaults);
$form->display();
@ -1040,12 +1075,10 @@ if ($_POST['submitWork'] && $succeed &&!$id) //last value is to check this is no
$my_cur_dir_path = $cur_dir_path;
}
if (!$display_upload_form & & !$display_tool_options)
{
if (!$display_upload_form & & !$display_tool_options) {
display_student_publications_list($base_work_dir . '/' . $my_cur_dir_path, 'work/' . $my_cur_dir_path, $currentCourseRepositoryWeb, $link_target_parameter, $dateFormatLong, $origin);
}
/*
==============================================================================
Footer
Julio Montoya
18 years ago