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upload.php
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<?php
/****************************************************************************************
* LiveZilla upload.php
*
* Improper changes to this file may cause critical errors.
***************************************************************************************/
define("IN_LIVEZILLA",true);
header("Access-Control-Allow-Origin: *");
header('Content-Type: text/html; charset=utf-8');
if(!defined("LIVEZILLA_PATH"))
define("LIVEZILLA_PATH","./");
require(LIVEZILLA_PATH . "_definitions/definitions.inc.php");
require(LIVEZILLA_PATH . "_lib/functions.global.inc.php");
require(LIVEZILLA_PATH . "_definitions/definitions.dynamic.inc.php");
require(LIVEZILLA_PATH . "_definitions/definitions.protocol.inc.php");
@set_error_handler("handleError");
if(Server::InitDataProvider())
{
if(Logging::IsFileFlood())
exit("503.7");
if(!isset($_POST["elem"]))
exit("503.32");
$bId = null;
$uId = null;
$chat = null;
$gId = Communication::ReadParameter("gid","");
$visitor = null;
$fInd = 1;
// load chat
if(isset($_REQUEST["cid"]) && !empty($_REQUEST["cid"]))
{
$chat = VisitorChat::GetByChatId(Communication::ReadParameter("cid",0));
if($chat != null)
{
$uId = $chat->UserId;
$bId = $chat->BrowserId;
$visitor = new Visitor($uId);
$visitor->Load();
$visitor->LoadVisitorData();
}
}
// load visitor
if(isset($_REQUEST["bid"]) && !empty($_REQUEST["bid"]) && isset($_REQUEST["uid"]) && !empty($_REQUEST["uid"]) && isset($_REQUEST["find"]))
{
$uId = Communication::ReadParameter("uid","");
$bId = Communication::ReadParameter("bid","");
$fInd = Communication::ReadParameter("find",0);
if(strlen($bId) <= USER_ID_LENGTH+4 && strlen($uId) == USER_ID_LENGTH && strlen($fInd)<4)
{
$visitor = new Visitor($uId);
$visitor->Load();
$visitor->LoadVisitorData();
}
else
exit("503.1");
}
if(!empty(Server::$Configuration->File["gl_vmac"]) && !($visitor != null && Communication::GetIP() == $visitor->IP))
exit("503.3");
if(!empty($visitor->Closed))
exit("503.4");
Server::InitDataBlock(array("GROUPS","INPUTS"));
if(!isset(Server::$Groups[$gId]))
exit("503.18");
if($chat != null && $_POST["elem"] == "chat")
{
if($chat->ExternalClosed || $chat->InternalClosed)
exit("503.20");
if(isset($_POST["form_userfile"]))
{
if(isset($_POST["type"]) && $_POST["type"] == "file")
{
// chat fu
if(empty(Server::$Groups[$gId]->ChatFunctions[5]))
exit("503.19");
$fileid = "";
if(StoreFileChat($visitor->UserId,$chat->GetHostOperator(),$visitor->VisitorData->Fullname,$chat))
{
exit();
}
}
else if(isset($_POST["type"]) && $_POST["type"] == "screenshot")
{
// chat screen capture
if(empty(Server::$Groups[$gId]->ChatFunctions[6]))
exit("503.22");
$fileid = "";
if(StoreScreenCaptureChat($visitor->UserId,$bId,$chat->GetHostOperator(),$visitor->VisitorData->Fullname,$chat,$fileid))
{
exit();
}
}
}
}
else if($_POST["elem"] == "ticket")
{
// ticket fu
if(!isset(Server::$Inputs[$fInd]))
exit("503.29");
if(!Server::$Inputs[$fInd]->Active)
exit("503.21");
// file upload
if(isset($_POST["type"]) && $_POST["type"] == "file")
{
$fileId = "";
$fileName = "";
if(StoreFileTicket($uId,$fInd,$fileId,$fileName))
{
exit("");
}
}
else
{
// screen capture
if(isset($_POST["form_userfile"]))
{
$fileName = "screenshot.lzsc";
if(StoreScreenCaptureTicket($uId,$fInd,$fileId,$fileName))
{
exit("");
}
}
}
}
else
exit("503.56");
}
function StoreFileTicket($_userId,$_fInd,&$_fId,&$_fName)
{
$fileid = GetFileId();
if($fileid === false)
return false;
$filemask = GetFileMask($fileid);
Logging::SecurityLog("Upload::UploadFileTicket",$filemask);
if(StoreFile($filemask, $_POST["form_userfile"],false))
{
$fname = base64_decode($_POST["fname"]);
KnowledgeBase::CreateEntry($_userId."_".$_fInd, $fileid, $filemask, 3, $fname, 0, 100, strlen($_POST["form_userfile"]));
$_fId = $fileid;
$_fName = IOStruct::GetNamebase($fname);
return true;
}
return false;
}
function StoreScreenCaptureTicket($_userId,$_fInd,&$_fId,&$_fName)
{
$fileid = getId(32);
$fname = "screenshot.lzsc";
Logging::SecurityLog("Upload::UploadFileCapture",$fname);
$filemask = GetFileMask($fileid);
if(StoreFile($filemask, $_POST["form_userfile"],true))
{
KnowledgeBase::CreateEntry($_userId."_".$_fInd, $fileid, $filemask, 3, $fname, 0, 100, strlen($_POST["form_userfile"]));
$_fId = $fileid;
$_fName = IOStruct::GetNamebase($fname);
return true;
}
return false;
}
function StoreScreenCaptureChat($_userId,$_browserId,$_partner,$_fullname,$_chat,&$_fileId)
{
$fileid = GetFileId();
if($fileid === false)
return false;
$filemask = GetFileMask($fileid);
if(empty($_fullname))
{
LocalizationManager::AutoLoad();
$_fullname = LocalizationManager::$TranslationStrings["client_guest"] . " " . Visitor::GetNoName($_userId.Communication::GetIP());
}
$discarded = 0;
if(isset($_POST["p_stream"]))
$discarded = 2;
else
Logging::SecurityLog("Upload::UploadScreenCaptureChat",$filemask);
if(StoreFile($filemask, $_POST["form_userfile"], true))
{
KnowledgeBase::CreateFolders($_partner,false);
KnowledgeBase::CreateEntry($_partner, $_userId, $_fullname, 0, $_fullname, 0, 5);
KnowledgeBase::CreateEntry($_partner, $fileid, $filemask, 4, "screenshot.lzsc", $discarded, $_userId, strlen($_POST["form_userfile"]),"",$_chat->ChatId, $_browserId);
if(!isset($_POST["p_stream"]))
{
if(!$_chat->Waiting)
foreach($_chat->Members as $mem)
{
$post = new Post(getId(32),$_chat->SystemId,$mem->SystemId,"screenshot.lzsc"."[__[screenshot:".$fileid."]__]",time(),$_chat->ChatId,$_fullname);
$post->ReceiverGroup = $_chat->SystemId;
$post->Save();
}
else
{
$post = new Post(getId(32),$_chat->SystemId,"","screenshot.lzsc"."[__[screenshot:".$fileid."]__]",time(),$_chat->ChatId,$_fullname);
$post->ReceiverGroup = $_chat->SystemId;
$post->Save();
}
}
$_fileId = $fileid;
return true;
}
return false;
}
function StoreFileChat($_userId,$_partner,$_fullname,$_chat)
{
$fileid = GetFileId();
if($fileid === false)
return false;
$filemask = GetFileMask($fileid);
$fname = base64_decode($_POST["fname"]);
Logging::SecurityLog("Upload::UploadFileChat",$filemask);
if(empty($_fullname))
{
LocalizationManager::AutoLoad();
$_fullname = LocalizationManager::$TranslationStrings["client_guest"] . " " . Visitor::GetNoName($_userId.Communication::GetIP());
}
if(StoreFile($filemask, $_POST["form_userfile"] ,false))
{
KnowledgeBase::CreateFolders($_partner, false);
KnowledgeBase::CreateEntry($_partner, $_userId, $_fullname, 0, $_fullname, 0, 5);
KnowledgeBase::CreateEntry($_partner, $fileid, $filemask, 4, $fname, 0, $_userId, strlen($_POST["form_userfile"]),"",$_chat->ChatId);
if(!$_chat->Waiting)
foreach($_chat->Members as $mem)
{
$post = new Post(getId(32),$_chat->SystemId,$mem->SystemId,$fname."[__[file:".$fileid."]__]",time(),$_chat->ChatId,$_fullname);
$post->ReceiverGroup = $_chat->SystemId;
$post->Save();
}
else
{
$post = new Post(getId(32),$_chat->SystemId,"",$fname."[__[file:".$fileid."]__]",time(),$_chat->ChatId,$_fullname);
$post->ReceiverGroup = $_chat->SystemId;
$post->Save();
}
return true;
}
return false;
}
function StoreFile($_filemask, $_data, $_screenshot=false)
{
$_data = base64_decode($_data);
if(!$_screenshot)
$_data = Str::DataURLToBinary($_data);
if(!(isset(Server::$Configuration->File["gl_enfu"]) && !Server::$Configuration->File["gl_enfu"]))
return IOStruct::CreateFile(PATH_UPLOADS . $_filemask, Encoding::EncryptFile($_data) ,false);
else
return IOStruct::CreateFile(PATH_UPLOADS . $_filemask, $_data ,false);
}
function GetFileId()
{
$filename = IOStruct::GetNamebase($_POST["fname"]);
if(!IOStruct::IsValidUploadFile(base64_decode($filename)))
return false;
else
{
$fileid = getId(32);
return $fileid;
}
}
function GetFileMask($_fileId)
{
return getId(10) . "_" . $_fileId;
}
?>