/**
* Verify a key, check if it generated by the website
*
* @param string $sessionRawKey The key to check
* @param string $networkID The unique ID of session's network
* @param string $for The type of the session
*
* @return string The key
*/
private static function verifyKey($sessionRawKey, $networkID, $for = 'General')
{
$key = $rawKey = array();
$hasher = new Hasher(self::$sessions[$for]['Setting']['Salt'], 1);
$inputKey = explode("\t", $sessionRawKey, 3);
if (isset($inputKey[0], $inputKey[1], $inputKey[2])) {
$key = array('Client' => $inputKey[0], 'Verify' => $inputKey[1], 'Expire' => (int) $inputKey[2]);
if ($key['Verify'] === $hasher->obscuredVerify($key['Client'] . $networkID)) {
return $key;
}
}
return false;
}
/**
* Verify a key, check if it generated by the website
*
* @param string $sessionRawKey The key to check
* @param string $networkID The unique ID of session's network
* @param string $for The type of the session
*
* @return string The key
*/
protected static function isVerified($sessionRawKey, $networkID, $for = 'General')
{
$hasher = null;
if (!isset($sessionRawKey[0]) || isset($sessionRawKey[64])) {
return false;
}
$hasher = new Hasher(static::$sessions[$for]['Setting']['Salt'], 1);
$inputKey = explode(static::KEY_SPLITER, $sessionRawKey, 3);
if (!isset($inputKey[0], $inputKey[1], $inputKey[2])) {
return false;
}
$key = array('Client' => $inputKey[0], 'Verify' => $inputKey[1], 'Expire' => (int) $inputKey[2]);
if ($key['Verify'] !== substr($hasher->obscuredVerify($key['Client'] . $networkID . $key['Expire']), 8, 16)) {
return false;
}
return $key;
}
