emitStr();
}
private function viewEnrollForm(): string
{
$html = "";
$provisioningUri = (new Otpauth(
"taatp",
$this->db->userString($this->userIndex),
$this->hash->keygen(),
"SHA1",
30,
6
))->emitStr();
$this->session->store("secret", $provisioningUri);
$values = [
"%frm" => $this->request->formProps("enroll"),
"%qr" => (new QRCode)->render($provisioningUri),
];
return \str_replace(\array_keys($values), $values, $html);
}
private function viewUnenrollForm(): string
{
$html = "";
$values = [
"%frm" => $this->ri->formProps("unenroll"),
];
return \str_replace(\array_keys($values), $values, $html);
}
function emitStr(): string
{
if (\is_null($this->db->getSecret($this->userIndex)))
{
$this->viewEnrollForm();
}
$this->viewUnenrollForm();
}
function response(): bool
{
if (!$this->csrf->match())
{
return false;
}
$pUri = $this->db->getSecret($this->userIndex);
$enrollFlag = \is_null($pUri);
$enrollFlag && $enrollFlag = $this->session->get('secret');
$totp = _6238(
$pUri.secret,
$pUri.period,
$enrollFlag? 0:$this->db->getLastTime($this->userIndex),
2,
$pUri.digits,
$this->clock,
$this->hash
);
$flag = $totp.validate($this->ri->getResp("totp_challenge"));
if($flag && $enrollFlag)
{
$this->db->storeLastTime($this->userIndex, $flag);
$this->db->storeSecret($this->userIndex, $pUri);
return true;
}
else if($flag)
{
$this->db->stripSecret($this->userIndex);
return true;
}
return false;
}
}
?>