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317 lines
11 KiB
317 lines
11 KiB
<?php
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/*
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===============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004-2007 Dokeos S.A.
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Copyright (c) Arnaud Ligot
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
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Mail: info@dokeos.com
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===============================================================================
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*/
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/**
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==============================================================================
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* This is an interface between Dokeos and Videoconference application
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*
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==============================================================================
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*/
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/*
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==============================================================================
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DEBUG
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==============================================================================
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*/
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$debug=0;
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/*
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==============================================================================
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CONSTANTS
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==============================================================================
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*/
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define('VIDEOCONF_UPLOAD_PATH', '/videoconf');
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$PRESENTATION_EXTENSION = array('.ppt', '.odp');
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$IMAGE_EXTENSION = array ('.png', '.jpg', '.gif', '.jpeg');
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/*
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==============================================================================
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SETTING Session ID because flash do not send the cookie
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==============================================================================
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*/
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if (!is_array($_COOKIE) || !isset($_COOKIE["dk_sid"])){
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if ($debug>0) error_log("setting SID to:".$_REQUEST["sid"]);
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session_id($_REQUEST["sid"]);
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}
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if ($debug>0)
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{
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// dump the request
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$v = array_keys(get_defined_vars());
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error_log(var_export($v, true),3, '/tmp/log');
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foreach (array_keys(get_defined_vars()) as $k) {
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if ($k == 'GLOBALS')
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continue;
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error_log($k, 3, '/tmp/log');
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error_log(var_export($$k, true), 3, '/tmp/log');
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}
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}
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/*
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==============================================================================
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INCLUDE
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==============================================================================
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*/
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require_once ('../inc/global.inc.php');
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api_block_anonymous_users();
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require_once (api_get_path(LIBRARY_PATH)."course.lib.php");
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require_once (api_get_path(LIBRARY_PATH)."document.lib.php");
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require_once (api_get_path(LIBRARY_PATH)."fileUpload.lib.php");
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/*
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==============================================================================
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SETTING UP SOME VARIABLES
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==============================================================================
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*/
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$debug=0;
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$action = $_REQUEST["action"];
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$cidReq = $_REQUEST["cidReq"];
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$user_id = api_get_user_id();
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$coursePath = api_get_path(SYS_COURSE_PATH).$cidReq.'/document';
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$_course = CourseManager::get_course_information($cidReq);
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// FIXME: this sound very strange !!! but add_document need this to works
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$_course['dbName'] = $_course['db_name'];
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// FIXME: check if CourseManager::get_user_in_course_status return !=
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// COURSEMANAGER when the code is not valid
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// FIXME: There is no valid course code which contains things like ../
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if ($debug>0) error_log($coursePath, 0);
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if ($action == "upload")
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{
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/*
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==============================================================================
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PERMISSION
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==============================================================================
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*/
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$permissions = CourseManager::get_user_in_course_status($user_id, $cidReq);
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if ($permissions != COURSEMANAGER)
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{
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if ($debug >0) error_log("Upload from videoconf not allowed !!!",0);
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die(); // this user is not allowed to add upload documents
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}
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/*
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==============================================================================
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UPLOAD
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==============================================================================
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*/
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$destPath = $coursePath.VIDEOCONF_UPLOAD_PATH;
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if (!is_dir($destPath)){
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$result = create_unexisting_directory($_course,$user_id,0,NULL,$coursePath,VIDEOCONF_UPLOAD_PATH);
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if (!$result)
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if ($debug>0) error_log("Can't create ".$destPath." folder",0);
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}
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$newPath = handle_uploaded_document($_course,$_FILES['Filedata'],$coursePath,VIDEOCONF_UPLOAD_PATH,$user_id,0,NULL,'',0,'rename',false);
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// based on ../newscorm/presentation.class.php
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$file_name = (strrpos($newPath,'.')>0 ? substr($newPath, 0, strrpos($newPath,'.')) : $newPath);
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$file_extension = (strrpos($newPath,'.')>0 ? substr($newPath, strrpos($newPath,'.'),10) : '');
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/* error_log($newPath,0);
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error_log($file_name,0);
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error_log($file_extension,0);
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*/
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if (in_array($file_extension, $PRESENTATION_EXTENSION))
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{
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if ($debug > 0) error_log("converting $coursePath$newPath", 0);
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/* creating output folder */
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$created_dir = create_unexisting_directory($_course,$user_id,0,NULL,$coursePath,$file_name);
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/* alow user of openoffice to write into the folder */
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// FIXME
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chmod($coursePath.$created_dir, 0777);
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/*
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* exec java application
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* the parameters of the program are :
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* - javacommand on this server ;
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* - host where openoffice is running;
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* - port with which openoffice is listening
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* - file to convert
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* - folder where put the slides
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* - ftppassword if required
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* The program fills $files with the list of slides created
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*/
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/* building command line */
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$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';
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if(strpos($_ENV['OS'],'Windows') !== false)
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{
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$classpath = str_replace(':',';',$classpath);
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}
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$slide_width=640;
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$slide_height=480;
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if(strpos($_ENV['OS'],'Windows') !== false)
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{
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$cmd = 'cd '.str_replace('/','\\',api_get_path(SYS_PATH)).'main/inc/lib/ppt2png && java '.$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');
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}
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else
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{
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$cmd = 'cd '.api_get_path(SYS_PATH).'main/inc/lib/ppt2png && java '.$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');
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}
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if ($debug>0) error_log($cmd,0);
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/* Exec */
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$shell = exec($cmd, $files, $return); // files: list of created files, return: shell return code
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/* Add Files */
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foreach($files as $f)
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{
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$did = add_document($_course, $created_dir.'/'.$f, 'file', filesize($coursePath.$created_dir.'/'.$f), $f);
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if ($did)
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api_item_property_update($_course, TOOL_DOCUMENT, $did, 'DocumentAdded', $user_id, 0, NULL);
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}
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}
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} else if ($action == "service")
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{/*
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==============================================================================
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LIST FILES
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==============================================================================
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*/
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if ($debug>0) error_log("sending file list",0);
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$subaction = $_REQUEST["subaction"];
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$canDelete = (CourseManager::get_user_in_course_status($user_id, $cidReq) == COURSEMANAGER);
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if ($subaction == "list") {
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// FIXME: check security around $_REQUEST["cwd"]
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$cwd = $_REQUEST["cwd"];
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// treat /..
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$nParent = 0; // the number of /.. into the url
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while (substr($cwd, -3, 3) == "/..")
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{
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// go to parent directory
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$cwd= substr($cwd, 0, -3);
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if (strlen($cwd) == 0) $cwd="/";
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$nParent++;
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}
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for (;$nParent >0; $nParent--){
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$cwd = (strrpos($cwd,'/')>-1 ? substr($cwd, 0, strrpos($cwd,'/')) : $cwd);
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}
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if (strlen($cwd) == 0) $cwd="/";
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// check if user can delete files. He must be manager and be inside /videoconf
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$isBellowVideoConfUploadPath = (substr($cwd,0,strlen(VIDEOCONF_UPLOAD_PATH)) == VIDEOCONF_UPLOAD_PATH);
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$canDelete = ($canDelete && $isBellowVideoConfUploadPath);
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// get files list
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$files = DocumentManager::get_all_document_data($_course, $cwd, 0, NULL, false);
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printf("<dokeosobject><fileListMeta></fileListMeta><fileList>");
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printf("<folders>");
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foreach($files as $i)
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if ($i["filetype"] != "folder")
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continue;
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else
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{
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printf('<folder><path>%s</path><title>%s</title><canDelete>%s</canDelete></folder>', $i['path'],$i['title'],($canDelete?"true":"false"));
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}
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printf("</folders><files>");
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foreach($files as $i) {
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$extension = (strrpos($i['path'],'.')>0 ? substr($i['path'], strrpos($i['path'],'.'),10) : '');
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if ($i["filetype"] != "file" || !in_array($extension, $IMAGE_EXTENSION))
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continue;
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else
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{
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printf('<file><path>%s</path><title>%s</title><canDelete>%s</canDelete></file>', $i['path'], $i['title'],($canDelete?"true":"false"));
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}
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}
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printf("</files><ppts>");
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foreach($files as $i) {
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// FIXME: Please optimise me !!!
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$extension = (strrpos($i['path'],'.')>0 ? substr($i['path'], strrpos($i['path'],'.'),10) : '');
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if ($i["filetype"] != "file" || !in_array($extension, $PRESENTATION_EXTENSION))
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continue;
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else
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{
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printf('<ppt><path>%s</path><title>%s</title><canDelete>%s</canDelete></ppt>', $i['path'], $i['title'],($canDelete?"true":"false"));
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}
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}
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// printf("<file><realname>fr1</realname><name>fn1</name></file>");
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printf("</ppts>");
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printf("</fileList></dokeosobject>");
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} else if ($subaction == "delete") {/*
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==============================================================================
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PERMISSION
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==============================================================================
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*/
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$permissions = CourseManager::get_user_in_course_status($user_id, $cidReq);
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if ($permissions != COURSEMANAGER)
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{
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if ($debug > 0) error_log("Upload from videoconf not allowed !!!",0);
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die(); // this user is not allowed to add upload documents
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}
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/*
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==============================================================================
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DELETE
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==============================================================================
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*/
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$path = $_REQUEST["path"];
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if ((substr($path,0,strlen(VIDEOCONF_UPLOAD_PATH)) != VIDEOCONF_UPLOAD_PATH))
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{
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if ($debug >0 ) error_log("Delete from videoconf for "+$path+" NOT ALLOWED",0);
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die();
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}
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DocumentManager::delete_document($_course, $path, $coursePath);
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echo "<result>OK</result>"; // We have to returns something to OpenLaszlo
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}
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} else if ($action == "download")
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{
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/*
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==============================================================================
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DOWNLOAD
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==============================================================================
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*/
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//check if the document is in the database
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if(!DocumentManager::get_document_id($_course,$_REQUEST['file']))
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{
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//file not found!
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if ($debug>0) error_log("404 ".$_REQUEST["file"]);
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header("HTTP/1.0 404 Not Found");
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$error404 = '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">';
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$error404 .= '<html><head>';
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$error404 .= '<title>404 Not Found</title>';
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$error404 .= '</head><body>';
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$error404 .= '<h1>Not Found</h1>';
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$error404 .= '<p>The requested URL was not found on this server.</p>';
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$error404 .= '<hr>';
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$error404 .= '</body></html>';
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echo($error404);
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exit;
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}
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$doc_url=$_REQUEST['file'];
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if ($debug >0) error_log($doc_url);
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$full_file_name = $coursePath.$doc_url;
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DocumentManager::file_send_for_download($full_file_name,false);
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exit;
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}
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?>
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