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83 lines
2.7 KiB
83 lines
2.7 KiB
<?php
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/* See license terms in /license.txt */
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//file_put_contents("result.txt", print_r($_POST, true));
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//file_put_contents("result3.txt", print_r($_FILES, true));
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//file_put_contents("result2.txt", print_r($_GET, true));
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require_once '../inc/global.inc.php';
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// check the request comes from our red5 server
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$ips = gethostbynamel(api_get_setting('service_visio','visio_host'));
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$is_our_server = false;
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// ignoring null file
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if ($_FILES["file"]["size"] == 0)
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exit(0);
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if(is_array($ips))
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{
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foreach($ips as $ip)
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{
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//get 255 range for known server address
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$split = split('.',$ip);
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$ip_range_server = $split[0].'.'.$split[1].'.'.$split[2];
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//get 255 range for request source address
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$split = split('.',$_SERVER['REMOTE_ADDR']);
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$ip_range_request = $split[0].'.'.$split[1].'.'.$split[2];
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if($ip_range_server == $ip_range_request){$is_our_server = true;}
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}
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}
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if($is_our_server)
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{
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if(api_get_setting('service_visio','active')=='true')
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{
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//check encryption key
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$string1 = $_GET['course_code'].$_GET['user_id'].gmdate('Ymd').$_configuration['security_key'];
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$string2 = $_GET['course_code'].$_GET['user_id'].(gmdate('Ymd')-1).$_configuration['security_key'];
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if(md5($string1) == $_GET['checker'] or md5($string2) == $_GET['checker'])
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{
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$course_info = api_get_course_info($_GET['course_code']);
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$target = api_get_path(SYS_COURSE_PATH).$course_info['path'].'/document/audio/';
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$basename = basename( $_FILES['file']['name']);
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$target = $target . $basename ;
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if(!move_uploaded_file($_FILES['file']['tmp_name'], $target))
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{
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error_log(__FILE__.':'.__LINE__.': File upload to '.$target.' failed',0);
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}
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else
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{
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require_once(api_get_path(LIBRARY_PATH).'fileUpload.lib.php');
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$id = add_document($course_info,'/audio/'.$basename,'file',filesize($target),$basename);
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if($id !== false)
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{
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$res = api_item_property_update($course_info,TOOL_DOCUMENT,$id,'DocumentAdded',$_GET['user_id']);
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if($res === false)
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{
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error_log(__FILE__.':'.__LINE__.': Something went wrong with item properties update of '.$target,0);
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}
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else
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{//make sound invisible?
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//$res = api_item_property_update($course_info,TOOL_DOCUMENT,$id,'invisible',$_GET['user_id']);
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}
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}
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else
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{
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error_log(__FILE__.':'.__LINE__.': Could not create document record for document '.$target,0);
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}
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}
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}
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else
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{
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error_log(__FILE__.':'.__LINE__.': Attempting to save file but hash check did not suceed (hacking attempt?)',0);
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}
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}
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else
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{
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error_log(__FILE__.':'.__LINE__.': Attempting to save file but videoconf is not enabled',0);
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}
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}
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else
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{
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error_log(__FILE__.':'.__LINE__.': Attempting to save file but coming from unknown source',0);
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}
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?>
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