Asp.Net Core 企业微信静默授权的实现

Victoria ·

更新时间:2024-09-20

· 629 次阅读

企业微信接口文档

1. 构造授权网页链接

2.回调获取到 Code 通过code+access_token去请求用户信息

3. 获取access_token

调试准备工作 -->内网穿透+域名推荐向日葵有免费的,免费的开发测试够用了

域名的配置成可信用

上代码 Demo下载


[ApiController]
  [Route("api/[controller]")]
  public class Auth2Controller : ControllerBase
  {
    private readonly string _agentId = "1000002";
    private readonly string _secret = "Y3f8ESBIBJoC8M_FPHOlpvmghS_Nn2ceFePRVZjw9_E";
    private readonly string _corpId = "wwbf72a7a059eac0f8";
    /// <summary>
    /// 授权地址
    /// </summary>
    private readonly string _auth2url = "https://open.weixin.qq.com/connect/oauth2/authorize";
    /// <summary>
    /// 授权回调地址
    /// </summary>
    private readonly string _callbackurl = "http://******.zicp.vip/auth2callback/api/Auth2/Callback";
    /// <summary>
    /// 获取access_token地址
    /// </summary>
    private readonly string _gettokenurl = "https://qyapi.weixin.qq.com/cgi-bin/gettoken";
    /// <summary>
    /// 获取访问用户身份地址
    /// </summary>
    private readonly string _getuserurl = "https://qyapi.weixin.qq.com/cgi-bin/user/getuserinfo";
    private readonly ILogger<Auth2Controller> _logger;
    private readonly IHttpClientFactory _clientFactory;
    private readonly IMemoryCache _memoryCache;
    public Auth2Controller(ILogger<Auth2Controller> logger, IHttpClientFactory clientFactory, IMemoryCache memoryCache)
    {
      _logger = logger;
      _clientFactory = clientFactory;
      _memoryCache = memoryCache;
    }   
    [HttpGet]
    public IActionResult Auth2(string redirecturi)
    {
      string strurl = $"{_auth2url}?" +
          $"&appid={_corpId}" +
          $"&redirect_uri={System.Web.HttpUtility.UrlEncode(_callbackurl)}" +
          $"&response_type=code" +
          $"&scope={_secret}" +
          $"&agentid={_agentId}" +
          $"&state={System.Web.HttpUtility.UrlEncode(redirecturi)}#wechat_redirect";
      return Redirect(strurl);
    }
    [HttpGet("Callback")]
    public async Task<IActionResult> Callback(string code, string state)
    {
      /**
       1）code只能消费一次，不能重复消费。比如说，是否存在多个服务器同时消费同一code情况。
       2）code需要在有效期间消费（5分钟），过期会自动失效。
       */      
      string access_token = await GetAccessToken();
      string url = $"{_getuserurl}?access_token={access_token}&code=[code]";
      HttpResponseMessage response = await _clientFactory.CreateClient().GetAsync(url);
      if (response.StatusCode == System.Net.HttpStatusCode.OK)
      {
        using (var responseStream = await response.Content.ReadAsStreamAsync())
        {
          var userinfo = JsonConvert.DeserializeObject<dynamic>(new StreamReader(responseStream).ReadToEnd());
          int errcode = userinfo.errcode;
          if (errcode == 0)
          {
            //企业成员
            string UserId = userinfo.UserId;
            //外部成员
            string OpenId = userinfo.OpenId;
            /**
             userid是系统生成的可以修改一次;
             所以后面的业务逻辑如果遇到错误就要重新授权一下;   
             */
            if (UserId==null)
            {
              _memoryCache.Set<string>("UserId", OpenId);
            }
            else
            {
              _memoryCache.Set<string>("UserId", UserId);
            }
          }
          else
          {
            _logger.LogError($"getuserinfo请求错误:{userinfo.errmsg}");
            return Ok();
          }
        }
      }      
      return Redirect($"{System.Web.HttpUtility.UrlDecode(state)}?UserId={_memoryCache.Get<string>("UserId")}");
    }
    public async Task<string> GetAccessToken()
    {
      if (_memoryCache.Get<string>("AccessToken") == null)
      {
        string url = $"{_gettokenurl}?corpid={_corpId}&corpsecret={_secret}";
        HttpResponseMessage response = await _clientFactory.CreateClient().GetAsync(url);
        if (response.StatusCode == System.Net.HttpStatusCode.OK)
        {
          using (var responseStream = await response.Content.ReadAsStreamAsync())
          {
            var access_token_result = JsonConvert.DeserializeObject<dynamic>(new StreamReader(responseStream).ReadToEnd());
            int errcode = access_token_result.errcode;
            if (errcode == 0)
            {
              string access_token = access_token_result.access_token;
              int expires_in = access_token_result.expires_in;
              _memoryCache.Set<string>("AccessToken", access_token, DateTimeOffset.Now.AddSeconds(expires_in - 10));
            }
            else
            {
              _logger.LogError($"access_token请求错误:{access_token_result.errmsg }");
            }
          }
        }
      }
      return _memoryCache.Get<string>("AccessToken");
    }
  }

到此这篇关于Asp.Net Core 企业微信静默授权的实现的文章就介绍到这了,更多相关Asp.Net Core 静默授权内容请搜索软件开发网以前的文章或继续浏览下面的相关文章希望大家以后多多支持软件开发网！

您可能感兴趣的文章:ASP.NET Core学习之使用JWT认证授权详解浅谈ASP.NET Core 中jwt授权认证的流程原理asp.net core 授权详解asp.net core2.2多用户验证与授权示例详解

net 授权企业微信 core ASP.NET ASP

1024 个赞