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prevent user from registering authenticator multiple times

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FreddleSpl0it 2022-01-14 20:59:32 +01:00 committed by FreddleSpl0it
parent 9c596691d2
commit ab21c7a06b
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1 changed files with 8 additions and 1 deletions
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9
data/web/json_api.php
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@ -465,11 +465,18 @@ if (isset($_GET['query'])) {
// webauthn two factor authentication
case "webauthn-tfa-registration":
if (isset($_SESSION["mailcow_cc_role"])) {
// Exclude existing CredentialIds, if any
$stmt = $pdo->prepare("SELECT `keyHandle` FROM `tfa` WHERE username = :username");
$stmt->execute(array(':username' => $_SESSION['mailcow_cc_username']));
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
while($row = array_shift($rows)) {
$excludeCredentialIds[] = base64_decode($row['keyHandle']);
}
// getCreateArgs($userId, $userName, $userDisplayName, $timeout=20, $requireResidentKey=false, $requireUserVerification=false, $crossPlatformAttachment=null, $excludeCredentialIds=array())
// cross-platform: true, if type internal is not allowed
// false, if only internal is allowed
// null, if internal and cross-platform is allowed
$createArgs = $WebAuthn->getCreateArgs($_SESSION["mailcow_cc_username"], $_SESSION["mailcow_cc_username"], $_SESSION["mailcow_cc_username"], 30, false, $GLOBALS['WEBAUTHN_UV_FLAG_REGISTER'], null);
$createArgs = $WebAuthn->getCreateArgs($_SESSION["mailcow_cc_username"], $_SESSION["mailcow_cc_username"], $_SESSION["mailcow_cc_username"], 30, false, $GLOBALS['WEBAUTHN_UV_FLAG_REGISTER'], null, $excludeCredentialIds);
print(json_encode($createArgs));
$_SESSION['challenge'] = $WebAuthn->getChallenge();