public function test_it_gets_the_good_code_at_given_times()
{
$o = new \OTPHP\TOTP('JDDK4U6G3BJLEZ7Y');
$this->assertEquals(855783, $o->at(0));
$this->assertEquals(762124, $o->at(319690800));
$this->assertEquals(139664, $o->at(1301012137));
}
private function verifyTOTP($provided, $is_test = false)
{
/***
* Check the TOTP code provided by the user
*
* @param int $provided Provided OTP passcode
* @param bool $is_test if it's a test run, check the temporary rather than real column.
* @return bool
***/
self::doLoadOTP();
$secret = $this->getSecret($is_test);
if ($secret === false) {
return false;
}
try {
$totp = new OTPHP\TOTP($secret);
$totp->setDigest($this->getDigest());
if ($totp->verify($provided)) {
return true;
}
if (!is_numeric($this->totpSteps)) {
throw new Exception('Bad TOTP step count');
}
$i = 1;
while ($i <= $this->totpSteps) {
$test = array();
$test[] = $totp->now();
$test[] = $totp->at(time() + 30 * $i);
$test[] = $totp->at(time() - 30 * $i);
++$i;
# Check on every iteration. It'll usually be faster.
if (in_array($provided, $test)) {
return true;
}
}
return false;
} catch (Exception $e) {
throw new Exception('Bad parameters provided to verifyOTP :: ' . $e->getMessage());
}
}
