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- <?php
- /*
- ===============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004-2007 Dokeos S.A.
- Copyright (c) Arnaud Ligot
- 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, 44 rue des palais, B-1030 Brussels, Belgium
- Mail: info@dokeos.com
- ===============================================================================
- */
- /**
- ==============================================================================
- * This is an interface between Dokeos and Videoconference application
- *
- ==============================================================================
- */
- /*
- ==============================================================================
- DEBUG
- ==============================================================================
- */
- $debug=0;
- /*
- ==============================================================================
- CONSTANTS
- ==============================================================================
- */
- define('VIDEOCONF_UPLOAD_PATH', '/videoconf');
- $PRESENTATION_EXTENSION = array('.ppt', '.odp');
- $IMAGE_EXTENSION = array ('.png', '.jpg', '.gif', '.jpeg');
- /*
- ==============================================================================
- SETTING Session ID because flash do not send the cookie
- ==============================================================================
- */
- if (!is_array($_COOKIE) || !isset($_COOKIE["dk_sid"])){
- if ($debug>0) error_log("setting SID to:".$_REQUEST["sid"]);
- session_id($_REQUEST["sid"]);
- }
- if ($debug>0)
- {
- // dump the request
- $v = array_keys(get_defined_vars());
- error_log(var_export($v, true),3, '/tmp/log');
- foreach (array_keys(get_defined_vars()) as $k) {
- if ($k == 'GLOBALS')
- continue;
- error_log($k, 3, '/tmp/log');
- error_log(var_export($$k, true), 3, '/tmp/log');
- }
- }
- /*
- ==============================================================================
- INCLUDE
- ==============================================================================
- */
- require_once ('../inc/global.inc.php');
- api_block_anonymous_users();
- require_once (api_get_path(LIBRARY_PATH)."course.lib.php");
- require_once (api_get_path(LIBRARY_PATH)."document.lib.php");
- require_once (api_get_path(LIBRARY_PATH)."fileUpload.lib.php");
- /*
- ==============================================================================
- SETTING UP SOME VARIABLES
- ==============================================================================
- */
- $debug=0;
- $action = $_REQUEST["action"];
- $cidReq = $_REQUEST["cidReq"];
- $user_id = api_get_user_id();
- $coursePath = api_get_path(SYS_COURSE_PATH).$cidReq.'/document';
- $_course = CourseManager::get_course_information($cidReq);
- // FIXME: this sound very strange !!! but add_document need this to works
- $_course['dbName'] = $_course['db_name'];
- // FIXME: check if CourseManager::get_user_in_course_status return !=
- // COURSEMANAGER when the code is not valid
- // FIXME: There is no valid course code which contains things like ../
- if ($debug>0) error_log($coursePath, 0);
- if ($action == "upload")
- {
- /*
- ==============================================================================
- PERMISSION
- ==============================================================================
- */
- $permissions = CourseManager::get_user_in_course_status($user_id, $cidReq);
- if ($permissions != COURSEMANAGER)
- {
- if ($debug >0) error_log("Upload from videoconf not allowed !!!",0);
- die(); // this user is not allowed to add upload documents
- }
- /*
- ==============================================================================
- UPLOAD
- ==============================================================================
- */
- $destPath = $coursePath.VIDEOCONF_UPLOAD_PATH;
- if (!is_dir($destPath)){
- $result = create_unexisting_directory($_course,$user_id,0,NULL,$coursePath,VIDEOCONF_UPLOAD_PATH);
- if (!$result)
- if ($debug>0) error_log("Can't create ".$destPath." folder",0);
- }
-
- $newPath = handle_uploaded_document($_course,$_FILES['Filedata'],$coursePath,VIDEOCONF_UPLOAD_PATH,$user_id,0,NULL,'',0,'rename',false);
- // based on ../newscorm/presentation.class.php
- $file_name = (strrpos($newPath,'.')>0 ? substr($newPath, 0, strrpos($newPath,'.')) : $newPath);
- $file_extension = (strrpos($newPath,'.')>0 ? substr($newPath, strrpos($newPath,'.'),10) : '');
- /* error_log($newPath,0);
- error_log($file_name,0);
- error_log($file_extension,0);
- */
- if (in_array($file_extension, $PRESENTATION_EXTENSION))
- {
- if ($debug > 0) error_log("converting $coursePath$newPath", 0);
- /* creating output folder */
- $created_dir = create_unexisting_directory($_course,$user_id,0,NULL,$coursePath,$file_name);
-
- /* alow user of openoffice to write into the folder */
- // FIXME
- chmod($coursePath.$created_dir, 0777);
- /*
- * exec java application
- * the parameters of the program are :
- * - javacommand on this server ;
- * - host where openoffice is running;
- * - port with which openoffice is listening
- * - file to convert
- * - folder where put the slides
- * - ftppassword if required
- * The program fills $files with the list of slides created
- */
- /* building command line */
- $classpath = '-cp .:ridl.jar:js.jar:juh.jar:jurt.jar:jut.jar:java_uno.jar:java_uno_accessbridge.jar:edtftpj-1.5.2.jar:unoil.jar';
- if(strpos($_ENV['OS'],'Windows') !== false)
- {
- $classpath = str_replace(':',';',$classpath);
- }
- $slide_width=640;
- $slide_height=480;
-
- if(strpos($_ENV['OS'],'Windows') !== false)
- {
- $cmd = 'cd '.str_replace('/','\\',api_get_path(SYS_PATH)).'main/inc/lib/ppt2png && java '.$classpath.' DocumentConverter '.api_get_setting('service_ppt2lp','host').' 2002'.' "'.$coursePath.$newPath.'" "'.$coursePath.$created_dir.'"'.' '.$slide_width.' '.$slide_height.' '.api_get_setting('service_ppt2lp','user').' '.api_get_setting('service_ppt2lp','ftp_password');
- }
- else
- {
- $cmd = 'cd '.api_get_path(SYS_PATH).'main/inc/lib/ppt2png && java '.$classpath.' DocumentConverter '.api_get_setting('service_ppt2lp','host').' 2002'.' "'.$coursePath.$newPath.'" "'.$coursePath.$created_dir.'"'.' '.$slide_width.' '.$slide_height.' '.api_get_setting('service_ppt2lp','user').' '.api_get_setting('service_ppt2lp','ftp_password');
- }
- if ($debug>0) error_log($cmd,0);
- /* Exec */
- $shell = exec($cmd, $files, $return); // files: list of created files, return: shell return code
-
- /* Add Files */
- foreach($files as $f)
- {
- $did = add_document($_course, $created_dir.'/'.$f, 'file', filesize($coursePath.$created_dir.'/'.$f), $f);
- if ($did)
- api_item_property_update($_course, TOOL_DOCUMENT, $did, 'DocumentAdded', $user_id, 0, NULL);
- }
- }
- } else if ($action == "service")
- {/*
- ==============================================================================
- LIST FILES
- ==============================================================================
- */
- if ($debug>0) error_log("sending file list",0);
- $subaction = $_REQUEST["subaction"];
- $canDelete = (CourseManager::get_user_in_course_status($user_id, $cidReq) == COURSEMANAGER);
- if ($subaction == "list") {
- // FIXME: check security around $_REQUEST["cwd"]
- $cwd = $_REQUEST["cwd"];
- // treat /..
- $nParent = 0; // the number of /.. into the url
- while (substr($cwd, -3, 3) == "/..")
- {
- // go to parent directory
- $cwd= substr($cwd, 0, -3);
- if (strlen($cwd) == 0) $cwd="/";
- $nParent++;
- }
- for (;$nParent >0; $nParent--){
- $cwd = (strrpos($cwd,'/')>-1 ? substr($cwd, 0, strrpos($cwd,'/')) : $cwd);
- }
- if (strlen($cwd) == 0) $cwd="/";
-
- // check if user can delete files. He must be manager and be inside /videoconf
- $isBellowVideoConfUploadPath = (substr($cwd,0,strlen(VIDEOCONF_UPLOAD_PATH)) == VIDEOCONF_UPLOAD_PATH);
- $canDelete = ($canDelete && $isBellowVideoConfUploadPath);
-
- // get files list
- $files = DocumentManager::get_all_document_data($_course, $cwd, 0, NULL, false);
- printf("<dokeosobject><fileListMeta></fileListMeta><fileList>");
- printf("<folders>");
- foreach($files as $i)
- if ($i["filetype"] != "folder")
- continue;
- else
- {
- printf('<folder><path>%s</path><title>%s</title><canDelete>%s</canDelete></folder>', $i['path'],$i['title'],($canDelete?"true":"false"));
- }
- printf("</folders><files>");
- foreach($files as $i) {
- $extension = (strrpos($i['path'],'.')>0 ? substr($i['path'], strrpos($i['path'],'.'),10) : '');
- if ($i["filetype"] != "file" || !in_array($extension, $IMAGE_EXTENSION))
- continue;
- else
- {
- printf('<file><path>%s</path><title>%s</title><canDelete>%s</canDelete></file>', $i['path'],$i['title'],($canDelete?"true":"false"));
- }
- }
- printf("</files><ppts>");
- // foreach($files as $i) {
- // FIXME: Please optimise me !!!
- // $extension = (strrpos($i['path'],'.')>0 ? substr($i['path'], strrpos($i['path'],'.'),10) : '');
- // if ($i["filetype"] != "file" || !in_array($extension, $PRESENTATION_EXTENSION))
- // continue;
- // else
- // {
- // printf('<ppt><path>%s</path><title>%s</title><canDelete>%s</canDelete></ppt>', $i['path'], $i['title'],($canDelete?"true":"false"));
- // }
- // }
- // printf("<file><realname>fr1</realname><name>fn1</name></file>");
- printf("</ppts>");
- printf("</fileList></dokeosobject>");
- } else if ($subaction == "delete") {/*
- ==============================================================================
- PERMISSION
- ==============================================================================
- */
- $permissions = CourseManager::get_user_in_course_status($user_id, $cidReq);
- if ($permissions != COURSEMANAGER)
- {
- if ($debug > 0) error_log("Upload from videoconf not allowed !!!",0);
- die(); // this user is not allowed to add upload documents
- }
- /*
- ==============================================================================
- DELETE
- ==============================================================================
- */
- $path = $_REQUEST["path"];
- if ((substr($path,0,strlen(VIDEOCONF_UPLOAD_PATH)) != VIDEOCONF_UPLOAD_PATH))
- {
- if ($debug >0 ) error_log("Delete from videoconf for "+$path+" NOT ALLOWED",0);
- die();
- }
-
- DocumentManager::delete_document($_course, $path, $coursePath);
- echo "<result>OK</result>"; // We have to returns something to OpenLaszlo
- }
- } else if ($action == "download")
- {
- /*
- ==============================================================================
- DOWNLOAD
- ==============================================================================
- */
- //check if the document is in the database
- if(!DocumentManager::get_document_id($_course,$_REQUEST['file']))
- {
- //file not found!
- if ($debug>0) error_log("404 ".$_REQUEST["file"]);
- header("HTTP/1.0 404 Not Found");
- $error404 = '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">';
- $error404 .= '<html><head>';
- $error404 .= '<title>404 Not Found</title>';
- $error404 .= '</head><body>';
- $error404 .= '<h1>Not Found</h1>';
- $error404 .= '<p>The requested URL was not found on this server.</p>';
- $error404 .= '<hr>';
- $error404 .= '</body></html>';
- echo($error404);
- exit;
- }
- $doc_url=$_REQUEST['file'];
- if ($debug >0) error_log($doc_url);
- $full_file_name = $coursePath.$doc_url;
- DocumentManager::file_send_for_download($full_file_name,false);
- exit;
- }
- ?>
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