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