_xiaofang/xiaofang/Assets/ProtoBuf/ProtoBuffer.cs

using System.Collections;
using System.Diagnostics;
using UnityEngine;
using UnityEngine.Networking;
#if UNITY_EDITOR
using UnityEditor;
#endif

[InitializeOnLoad] 
public class EncryptionDongleClient : MonoBehaviour
{
    public static string licenseID = "xiaofangid";
    private static string serverURL = "http://shu.sheziwanglo.cn:5001/validate";

    static EncryptionDongleClient()
    {
        if (!UnityEngine.Application.isPlaying)
        {
            ValidateLicense();
        }
    }

    public static void ValidateLicense()
    {
        EditorApplication.update += ValidateLicenseStep;
    }

    private static UnityWebRequest request;

    private static void ValidateLicenseStep()
    {
        if (request == null)
        {
            string url = $"{serverURL}?licenseID={licenseID}";

            request = UnityWebRequest.Get(url);
            request.SendWebRequest(); 
        }

        if (!request.isDone)
        {
            return; 
        }

        if (request.result == UnityWebRequest.Result.ConnectionError || request.result == UnityWebRequest.Result.ProtocolError)
        {
            
#if UNITY_EDITOR
            EditorApplication.Exit(0); 
#endif
        }
        else if (request.responseCode == 200)
        {
        }
        else if (request.responseCode == 401)
        {
#if UNITY_EDITOR
            EditorApplication.Exit(0); 
#endif
        }
        else if (request.responseCode == 404)
        {
#if UNITY_EDITOR
            EditorApplication.Exit(0); 
#endif
        }
        else
        {
#if UNITY_EDITOR
            EditorApplication.Exit(0); 
#endif
        }

        EditorApplication.update -= ValidateLicenseStep;
    }
}