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fix: possible CSRF

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This commit is contained in:
Massimo Melina 2020-06-29 00:02:20 +02:00
parent cf3761b7ed
commit 4b5bffbd83
1 changed files with 11 additions and 2 deletions
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13
main.pas
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@ -1,4 +1,4 @@
{
{
Copyright (C) 2002-2020 Massimo Melina (www.rejetto.com)
This file is part of HFS ~ HTTP File Server.
@ -5015,6 +5015,13 @@ var
addString(getTill('#', data.postvars.valueFromIndex[i]), result) // omit #anchors
end; // getFilesSelection
function possibleCSRF():boolean;
var s: string;
begin
s:= conn.getHeader('origin');
result:=(s > '') and not s.endsWith( conn.getHeader('Host'))
end; // possibleCSRF
procedure serveTar();
var
tar: TtarStream;
@ -5242,7 +5249,9 @@ var
begin
if (conn.request.method <> HM_POST)
or (data.postVars.values['action'] <> 'delete')
or not accountAllowed(FA_DELETE, data, f) then exit;
or not accountAllowed(FA_DELETE, data, f)
or possibleCSRF()
then exit;
doneRes:=NIL;
errors:=NIL;