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328 lines
15 KiB
328 lines
15 KiB
<?php
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/* For licensing terms, see /license.txt */
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// This file is probably deprecated - 2009-05-14 - ywarnier
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// No calls found in Chamilo file is deprecated. Adding an exit - 2011-06 jmontoya
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/**
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* This script handles SCO administration features
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* @package chamilo.learnpath.scorm
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* @author Denes Nagy, principal author
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* @author Isthvan Mandak, several new features
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* @author Roan Embrechts, code improvements and refactoring
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* @author Yannick Warnier, complete refactoring <ywarnier@beeznest.org>
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*/
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/**
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* Code (exit)
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*/
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exit;
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// Flag to allow for anonymous user - needs to be set before global.inc.php.
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$use_anonymous = true;
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// Name of the language file that needs to be included.
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$language_file = 'scormdocument';
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$uncompress = 1; // TODO: This variable shouldn't be found here (find its usage before removal).
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require_once 'back_compat.inc.php';
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include 'learnpath_functions.inc.php';
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include_once 'scorm.lib.php';
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$is_allowedToEdit = api_is_allowed_to_edit();
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/* Variables */
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// Escapable integers.
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if ($_REQUEST['id'] != strval(intval($_REQUEST['id']))) { $id = $_REQUEST['id']; } else { $id = null; }
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// Imported strings.
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$path = (!empty($_REQUEST['path']) ? $_REQUEST['path'] : null);
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$Submit = (!empty($_POST['Submit']) ? $_POST['Submit'] : null);
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$submitImage = (!empty($_POST['submitImage']) ? $_POST['submitImage'] : null);
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$cancelSubmitImage = (!empty($_POST['cancelSubmitImage']) ? $_POST['cancelSubmitImage'] : null);
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$action = (!empty($_REQUEST['action']) ? $_REQUEST['action'] : null);
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$delete = (!empty($_REQUEST['delete']) ? $_REQUEST['delete'] : null);
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$createDir = (!empty($_REQUEST['createDir']) ? $_REQUEST['createDir'] : null);
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$make_directory_visible = (!empty($_REQUEST['make_directory_visible']) ? $_REQUEST['make_directory_visible'] : '');
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$make_directory_invisible = (!empty($_REQUEST['make_directory_invisible']) ? $_REQUEST['make_directory_invisible'] : '');
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// Values from POST form to add directory.
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$newDirPath = (!empty($_POST['newDirPath']) ? $_POST['newDirPath'] : null);
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$newDirName = (!empty($_POST['newDirName']) ? $_POST['newDirName'] : null);
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// Initialising internal variables.
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$dialogbox = '';
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$course_id = api_get_course_int_id();
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api_protect_course_script();
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//if (! $is_allowed_in_course) api_not_allowed();
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$is_allowedToUnzip = $is_courseAdmin;
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/* Main code */
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switch ($action) {
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case 'exportpath':
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if (!empty($id)) {
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$export = exportpath($id);
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$dialogBox .= "This LP has been exported to the Document folder "
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."of your course.";
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}
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break;
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case 'exportscorm':
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exportSCORM($path);
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break;
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case 'deletepath':
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/*
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DELETE A DOKEOS LEARNPATH
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and all the items in it
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*/
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if (!empty($id)){
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$l="learnpath/learnpath_handler.php?learnpath_id=$id";
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$sql="DELETE FROM $tbl_tool where (link='$l' AND image='scormbuilder.gif')";
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$result=Database::query($sql);
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$sql="SELECT * FROM $tbl_learnpath_chapter where learnpath_id=$id";
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$result=Database::query($sql);
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while ($row=Database::fetch_array($result))
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{
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$c=$row['id'];
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$sql2="DELETE FROM $tbl_learnpath_item where chapter_id=$c";
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$result2=Database::query($sql2);
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}
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$sql="DELETE FROM $tbl_learnpath_chapter where learnpath_id=$id";
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$result=Database::query($sql);
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deletepath($id);
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$dialogBox=get_lang('_learnpath_deleted');
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}
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break;
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case 'publishpath':
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/* PUBLISHING (SHOWING) A DOKEOS LEARNPATH */
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if (!empty($id)){
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$sql = "SELECT * FROM $tbl_learnpath_main where learnpath_id=$id";
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$result = Database::query($sql);
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$row = Database::fetch_array($result);
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$name = domesticate($row['learnpath_name']);
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if ($set_visibility == 'i') {
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$s = $name.' '.get_lang('_no_published');
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$dialogBox = $s;
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$v = 0;
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}
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if ($set_visibility == 'v') {
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$s=$name.' '.get_lang('_published');
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$dialogBox = $s;
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$v = 1;
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}
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$sql = "SELECT * FROM $tbl_tool where (name='$name' and image='scormbuilder.gif')";
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$result = Database::query($sql);
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$row2 = Database::fetch_array($result);
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$num = Database::num_rows($result);
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if (($set_visibility == 'i') && ($num > 0)) {
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// It is visible or hidden but once was published.
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if (($row2['visibility']) == 1) {
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$sql = "DELETE FROM $tbl_tool WHERE (name='$name' and image='scormbuilder.gif' AND c_id = $course_id )";
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} else {
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$sql = "UPDATE $tbl_tool set visibility=1 WHERE (name='$name' and image='scormbuilder.gif' AND c_id = $course_id)";
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}
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} elseif (($set_visibility == 'v') && ($num == 0)) {
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$sql ="INSERT INTO $tbl_tool (c_id, id, name, link, image, visibility, admin, address, added_tool) VALUES
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($course_id, '$theid','$name','learnpath/learnpath_handler.php?learnpath_id=$id','scormbuilder.gif','$v','0','pastillegris.gif',0)";
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} else {
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// Parameter and database incompatible, do nothing.
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}
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$result = Database::query($sql);
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}
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break;
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case 'editpath':
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/* EDITING A DOKEOS NEW LEARNPATH */
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if (!empty($Submit)) {
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$l = "learnpath/learnpath_handler.php?learnpath_id=$id";
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$sql = "UPDATE $tbl_tool set name='".domesticate($learnpath_name)."' where (link='$l' and image='scormbuilder.gif')";
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$result = Database::query($sql);
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$sql = "UPDATE $tbl_learnpath_main SET learnpath_name='".domesticate($learnpath_name)."', learnpath_description='".domesticate($learnpath_description)."' WHERE learnpath_id=$id";
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$result = Database::query($sql);
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$dialogBox = get_lang('_learnpath_edited');
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}
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break;
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case 'add':
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/* ADDING A NEW LEARNPATH : treating the form */
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if (!empty($Submit)) {
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$sql = "INSERT INTO $tbl_learnpath_main (c_id, learnpath_name, learnpath_description) VALUES ($course_id , '".domesticate($learnpath_name)."','".domesticate($learnpath_description)."')";
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Database::query($sql);
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$my_lp_id = Database::insert_id();
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$sql = "INSERT INTO $tbl_tool (c_id, name, link, image, visibility, admin, address, added_tool) VALUES ($course_id , '".domesticate($learnpath_name)."','learnpath/learnpath_handler.php?learnpath_id=$my_lp_id','scormbuilder.gif','1','0','pastillegris.gif',0)";
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Database::query($sql);
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// Instead of displaying this info text, get the user directly to the learnpath edit page.
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//$dialogBox = get_lang('_learnpath_added');
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header('location:../learnpath/learnpath_handler.php?'.api_get_cidreq().'&learnpath_id='.$my_lp_id);
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exit();
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}
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break;
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case 'editscorm':
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/* EDITING A SCORM PACKAGE */
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if (!empty($Submit)) {
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$sql = "UPDATE $tbl_document SET comment='".domesticate($learnpath_description)."', name='".domesticate($learnpath_name)."' WHERE path='$path' AND c_id = $course_id ";
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$result = Database::query($sql);
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$dialogBox = get_lang('_learnpath_edited');
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}
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break;
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default:
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break;
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}
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if ($is_allowedToEdit) { // TEACHER ONLY
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/* UPLOAD SCORM */
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/*
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* Check the request method instead of a variable from POST
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* because if the file size exceeds the maximum file upload
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* size set in php.ini, all variables from POST are cleared !
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*/
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if ($_SERVER['REQUEST_METHOD'] == 'POST' && count($_FILES) > 0 && empty($submitImage) && empty($cancelSubmitImage) && empty($action)) {
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// A SCORM upload has been detected, now deal with the file...
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// Directory creation.
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$s = $_FILES['userFile']['name'];
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$pathInfo = pathinfo($s);
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// Check the filename has at least several letters in it :-)
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// This is a very loose check as later on we might accept other formats of packages.
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// Sent than just "zip".
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if (preg_match('/[\w-_]+/', $pathInfo['basename'])) {
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// get the basename without extension.
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$newDirName = substr($pathInfo['basename'], 0, strlen($pathInfo['basename']) - (strlen($pathInfo['extension']) + 1));
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$newDirName = replace_dangerous_char(trim($newDirName), 'strict');
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if (check_name_exist($baseWorkDir.$newDirPath.$openDir.'/'.$newDirName)) {
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/** @todo change this output. Inaccurate at least in french. In this case, the
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* file might not exist or the transfer might have been wrong (no $_FILES at all)
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* but we still get the error message
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*/
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$dialogBox = get_lang('FileExists');
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$createDir = $newDirPath; unset($newDirPath); // Return to step 1.
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} else {
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if (mkdir($baseWorkDir.$newDirPath.$openDir.'/'.$newDirName, api_get_permissions_for_new_directories())) {
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FileManager::set_default_settings($newDirPath.$openDir, $newDirName, 'folder', $tbl_document);
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// RH: was: set_default_settings($newDirPath.$openDir, $newDirName, 'folder');
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$dialogBox = get_lang('DirCr');
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} else {
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//Display msg "could not create dir..."
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//exit();
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}
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// Directory creation end.
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$uploadPath = $openDir.'/'.$newDirName;
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if (!$_FILES['userFile']['size']) {
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$dialogBox .= get_lang('FileError').'<br />'.get_lang('Notice').' : '.get_lang('MaxFileSize').' '.ini_get('upload_max_filesize');
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} else { // The file size is alright, we can assume the file is OK too.
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if ($uncompress == 1 && $is_allowedToUnzip) {
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$unzip = 'unzip';
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} else {
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$unzip = '';
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}
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if (treat_uploaded_file($_FILES['userFile'], $baseWorkDir, $uploadPath, $maxFilledSpace, $unzip)) {
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if ($uncompress == 1) {
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//$dialogBox .= get_lang('DownloadAndZipEnd');
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// Modified by darkden : I omitted this part, so the user can see
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// the scorm content message at once.
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} else {
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$dialogBox = get_lang('DownloadEnd');
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}
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// "WHAT'S NEW" notification: update table last_tooledit.
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//update_last_tooledit($_course, $nameTools, $id, get_lang('_new_document'), $_user['user_id']);
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item_property_update($_course, TOOL_LEARNPATH, $id, "LearnpathAdded", $_user['user_id']);
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} else {
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if (api_failure::get_last_failure() == 'not_enough_space') {
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$dialogBox = get_lang('NoSpace');
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} elseif (api_failure::get_last_failure() == 'php_file_in_zip_file') {
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$dialogBox = get_lang('ZipNoPhp');
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} elseif (api_failure::get_last_failure() == 'not_scorm_content') {
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$dialogBox = get_lang('NotScormContent');
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}
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}
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}
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$uploadPath = '';
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if (api_failure::get_last_failure()) {
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rmdir($baseWorkDir.$newDirPath.$openDir.'/'.$newDirName);
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}
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}
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} else { // The filename doesn't contain any alphanum chars (empty filename?)
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// Get a more detailed message?
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$dialogBox .= get_lang('FileError').'<br />';
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}
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/* DELETE FILE OR DIRECTORY */
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if (isset($delete)) {
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if ( scorm_delete($baseWorkDir.$delete)) {
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//$tbl_document = substr($tbl_document, 1, strlen($tbl_document) - 2); // RH...
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update_db_info('delete', $delete);
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$dialogBox = get_lang('DocDeleted');
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}
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}
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/* CREATE DIRECTORY */
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/*
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* The code begin with STEP 2 so it allows to return to STEP 1 if STEP 2 unsucceds.
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*/
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/* STEP 2 */
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if (isset($newDirPath) && isset($newDirName)) {
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// echo $newDirPath . $newDirName;
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$newDirName = replace_dangerous_char(trim(stripslashes($newDirName)), 'strict');
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if (check_name_exist($baseWorkDir.$newDirPath.'/'.$newDirName)) {
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$dialogBox = get_lang('FileExists');
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$createDir = $newDirPath; unset($newDirPath);// return to step 1
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} else {
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if (mkdir($baseWorkDir.$newDirPath.'/'.$newDirName, api_get_permissions_for_new_directories()))
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FileManager::set_default_settings($newDirPath, $newDirName, 'folder', $tbl_document);
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// RH: was: set_default_settings($newDirPath, $newDirName, 'folder');
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$dialogBox = get_lang('DirCr');
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}
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}
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/* STEP 1 */
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if (isset($createDir)) {
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$dialogBox .= "<!-- create dir -->\n"
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."<form name='createdir' action='' method='POST'>\n"
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."<input type=\"hidden\" name=\"newDirPath\" value=\"$createDir\" />\n"
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.get_lang('NameDir')." : \n"
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."<input type=\"text\" name=\"newDirName\" />\n"
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."<input type=\"submit\" value=\"".get_lang('Ok')."\" />\n"
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."</form>\n";
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}
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/* VISIBILITY COMMANDS */
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if (!empty($make_directory_visible) || !empty($make_directory_invisible)) {
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$visibilityPath = $make_directory_visible.$make_directory_invisible;
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// At least one of these variables are empty. So it's okay to proceed this way
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/* Check if there is yet a record for this file in the DB */
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$result = Database::query ("SELECT * FROM $tbl_document WHERE path LIKE '".$visibilityPath."' ");
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while($row = Database::fetch_array($result, 'ASSOC')) {
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$attribute['path' ] = $row['path' ];
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$attribute['visibility'] = $row['visibility'];
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$attribute['comment' ] = $row['comment' ];
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}
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if ($make_directory_visible) {
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$newVisibilityStatus = 'v';
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} elseif ($make_directory_invisible) {
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$newVisibilityStatus = 'i';
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}
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$query = "UPDATE $tbl_document SET visibility='$newVisibilityStatus' WHERE path=\"".$visibilityPath."\" AND c_id = $course_id "; // Added by Toon.
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Database::query($query);
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if (Database::affected_rows() == 0) { // Extra check added by Toon, normally not necessary anymore because all files are in the db.
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Database::query("INSERT INTO $tbl_document SET
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c_id = $course_id,
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path=\"".$visibilityPath."\",
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visibility=\"".$newVisibilityStatus."\"");
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}
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unset($attribute);
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$dialogBox = get_lang('ViMod');
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}
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} // END is Allowed to edit;.
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}
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