configurationManager = $configurationManager; } public function CheckCredentials(string $username, string $password) : bool { if($username === $this->configurationManager->GetUserName()) { return hash_equals($this->configurationManager->GetPassword(), $password); } return false; } public function CheckToken(string $token) : bool { return hash_equals($this->configurationManager->GetToken(), $token); } public function SetAuthState(bool $isLoggedIn) : void { $_SESSION[self::SESSION_KEY] = $isLoggedIn; } public function IsAuthenticated() : bool { return isset($_SESSION[self::SESSION_KEY]) && $_SESSION[self::SESSION_KEY] === true; } }