generate only one csrf token per session

some pages issue xhr which lead to new
tokens in the session and a future check
is garuanteed to fail.
This commit is contained in:
glaszig 2019-08-19 03:12:37 +01:00
parent df81ce2a07
commit 20d9e919c3

View file

@ -59,7 +59,9 @@ function safefilerewrite($fileName, $dataToSave)
*/
function ensureCSRFSessionToken()
{
$_SESSION['csrf_token'] = bin2hex(random_bytes(32));
if (empty($_SESSION['csrf_token'])) {
$_SESSION['csrf_token'] = bin2hex(random_bytes(32));
}
}
/**