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generate only one csrf token per session

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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
1 changed files with 3 additions and 1 deletions
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4
includes/functions.php
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@ -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));
}
}
/**