file.php

    public function authenticate()
    {
        $credentials = request()->only('cpf', 'password');

        try
        {
            $token = JWTAuth::attempt($credentials);
            if(!$token){
                $credentials['email'] = $credentials['cpf'];
                unset($credentials['cpf']);
                try
                {
                    $token = JWTAuth::attempt($credentials);
                    if(!$token){

                        return response()->json(['error' => 'Dados Incorretos'], 401);
                    }
                }catch (JWTException $e)
                {
                    return response()->json(['error' => 'something_wrong'],500);
                }
            }
        }catch (JWTException $e)
        {
            return response()->json(['error' => 'something_wrong'],500);
        }

        return response()->json(['token' => $token], 200);

    }