微信第三方登录

 1 string returnUrl = string.Empty;
 2             string appId = ConfigurationManager.AppSettings["wx_AppKey"];
 3             string appSecret = ConfigurationManager.AppSettings["wx_AppSecret"];
 4 
 5             var weixinOAuth = new WeiXinOAuth();
 6             string code = Request.QueryString["code"];
 7             string state = Request.QueryString["state"];
 8 
 9             if (string.IsNullOrEmpty(code) || code == "authdeny")
10             {
11                 if (string.IsNullOrEmpty(code))
12                 {
13                     //发起授权(第一次微信握手)
14                     string authUrl = weixinOAuth.GetWeiXinCode(appId, appSecret, Server.UrlEncode(Request.Url.ToString()), true);
15                     Response.Redirect(authUrl, true);
16                 }
17                 else
18                 {
19                     // 用户取消授权
20                     ViewData["StatusMessageData"] = new StatusMessageData(StatusMessageType.Error, "授权失败！");
21                 }
22             }
23             else
24             {
25                 //获取微信的Access_Token（第二次微信握手）
26                 var modelResult = weixinOAuth.GetWeiXinAccessToken(appId, appSecret, code);
27                 //获取微信的用户信息(第三次微信握手)
28                 var userInfo = weixinOAuth.GetWeiXinUserInfo(modelResult.SuccessResult.access_token, modelResult.SuccessResult.openid);
29                 //用户信息（判断是否已经获取到用户的微信用户信息）
30                 if (userInfo.Result && userInfo.UserInfo.openid != "")
31                 {
32                     //根据OpenId判断数据库是否存在，如果存在，直接登录即可
33                     if (CurrentUser != null)
34                     {
35                         if (AccountBindings.GetUser(2, userInfo.UserInfo.openid) == null)
36                         {
37                             AccountBinding account = new AccountBinding();
38                             account.AccountType = 2;
39                             account.Identification = userInfo.UserInfo.openid;
40                             account.UserID = CurrentUser.UserID;
41                             account.OauthToken = modelResult.SuccessResult.access_token;
42                             account.OauthTokenSecret = appSecret;
43                             AccountBindings.CreateAccountBinding(account);
44 
45                             ViewData["StatusMessageData"] = new StatusMessageData(StatusMessageType.Success, "绑定成功");
46                         }
47                         else
48                         {
49                             ViewData["StatusMessageData"] = new StatusMessageData(StatusMessageType.Hint, "此账号已在网站中绑定过，不可再绑定其他网站账号");
50                         }
51                     }
52                     else
53                     {
54                         User systemUser = AccountBindings.GetUser(2, userInfo.UserInfo.openid);
55                         if (systemUser != null)
56                         {
57                             FormsAuthentication.SetAuthCookie(systemUser.UserName, true);
58                             returnUrl = SiteUrls.Instance().UserDomainHome(systemUser);
59                             ViewData["StatusMessageData"] = new StatusMessageData(StatusMessageType.Success, "登录成功");
60                         }
61                         else
62                         {
63                             ViewData["StatusMessageData"] = new StatusMessageData(StatusMessageType.Success, string.Empty);
64                             ViewData["UserName"] = WebUtils.UrlEncode(userInfo.UserInfo.nickname);
65                             string nickName = WebUtils.UrlEncode(userInfo.UserInfo.nickname);
66                             string figureurl = userInfo.UserInfo.headimgurl;
67                             ViewData["FirstLogin"] = true;
68                             returnUrl = SPBUrlHelper.Action("ThirdRegister", "ChannelUser", new RouteValueDictionary { { "accountType", 2 }, { "openID", userInfo.UserInfo.openid }, { "OauthToken", modelResult.SuccessResult.access_token }, { "OauthTokenSecret", appSecret }, { "nickName", nickName }, { "figureurl", figureurl } });
69                         }
70                     }
71                 }
72                 else
73                 {
74                     ViewData["StatusMessageData"] = new StatusMessageData(StatusMessageType.Error, "参数错误，授权失败！");
75                 }
76             }
77 
78             ViewData["returnUrl"] = returnUrl;
79             return View("Pages/User/LoginCallback.aspx");

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using System.Web;
  6 using System.Net;
  7 using System.IO;
  8 using System.Collections.Specialized;
  9 using System.Text.RegularExpressions;
 10 using System.Globalization;
 11 using System.Web.Security;
 12 using System.Web.UI;
 13 using System.Web.UI.WebControls;
 14 using System.Web.UI.WebControls.WebParts;
 15 using System.Web.UI.HtmlControls;
 16 using SpaceBuilder.Common;
 17 using Jayrock.Json.Conversion;
 18 using System.Configuration;
 19 
 20 
 21 public class WeiXinOAuth
 22 {
 23     public enum Method { GET, POST, PUT, DELETE };
 24     /// <summary>
 25     /// 获取微信Code
 26     /// </summary>
 27     /// <param name="appId">微信AppId</param>
 28     /// <param name="appSecret">微信AppSecret</param>
 29     /// <param name="redirectUrl">返回的登录地址，要进行Server.Un编码</param>
 30     /// <param name="isWap">true=微信内部登录 false=pc网页登录</param>
 31     public string GetWeiXinCode(string appId, string appSecret, string redirectUrl, string state, bool isWap)
 32     {
 33         var r = new Random();
 34         //微信登录授权
 35         //string url = "https://open.weixin.qq.com/connect/qrconnect?appid=" + appId + "&redirect_uri=" + redirectUrl +"&response_type=code&scope=snsapi_login&state=STATE#wechat_redirect";
 36         //微信OpenId授权
 37         //string url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" + appId + "&redirect_uri=" + redirectUrl +"&response_type=code&scope=snsapi_login&state=STATE#wechat_redirect";
 38         //微信用户信息授权
 39         var url = "";
 40         if (isWap)
 41         {
 42             url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" + appId + "&redirect_uri=" +
 43                   redirectUrl + "&response_type=code&scope=snsapi_userinfo&state=" + state + "#wechat_redirect";
 44         }
 45         else
 46         {
 47             url = "https://open.weixin.qq.com/connect/qrconnect?appid=" + appId + "&redirect_uri=" + redirectUrl +
 48                   "&response_type=code&scope=snsapi_login&state=" + state + "#wechat_redirect";
 49         }
 50         return url;
 51     }
 52     /// <summary>
 53     /// 通过code获取access_token
 54     /// </summary>
 55     /// <param name="appId"></param>
 56     /// <param name="appSecret"></param>
 57     /// <param name="code"></param>
 58     /// <returns></returns>
 59     public WeiXinAccessTokenResult GetWeiXinAccessToken(string appId, string appSecret, string code)
 60     {
 61         string url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + appId + "&secret=" + appSecret +
 62           "&code=" + code + "&grant_type=authorization_code";
 63         string jsonStr = _WebRequest(Method.GET, url, ""); 
 64         var result = new WeiXinAccessTokenResult();
 65         if (jsonStr.Contains("errcode"))
 66         {
 67             var errorResult = (WeiXinHelper.WeiXinErrorMsg)JsonConvert.Import(typeof(WeiXinHelper.WeiXinErrorMsg), jsonStr);
 68             result.ErrorResult = errorResult;
 69             result.Result = false;
 70         }
 71         else
 72         {
 73             var model = (WeiXinAccessTokenModel)JsonConvert.Import(typeof(WeiXinAccessTokenModel), jsonStr);
 74             result.SuccessResult = model;
 75             result.Result = true;
 76         }
 77         return result;
 78     }
 79     /// <summary>
 80     /// 拉取用户信息
 81     /// </summary>
 82     /// <param name="accessToken"></param>
 83     /// <param name="openId"></param>
 84     /// <returns></returns>
 85     public WeiXinHelper.WeiXinUserInfoResult GetWeiXinUserInfo(string accessToken, string openId)
 86     {
 87         string url = "https://api.weixin.qq.com/sns/userinfo?access_token=" + accessToken + "&openid=" + openId + "⟨=zh_CN";
 88         string jsonStr = _WebRequest(Method.GET ,url,"");
 89         var result = new WeiXinHelper.WeiXinUserInfoResult();
 90         if (jsonStr.Contains("errcode"))
 91         {
 92             var errorResult = (WeiXinHelper.WeiXinErrorMsg)JsonConvert.Import(typeof(WeiXinHelper.WeiXinErrorMsg), jsonStr);
 93             result.ErrorMsg = errorResult;
 94             result.Result = false;
 95         }
 96         else
 97         {
 98             var userInfo = (WeiXinHelper.WeiXinUserInfo)JsonConvert.Import(typeof(WeiXinHelper.WeiXinUserInfo), jsonStr);
 99             result.UserInfo = userInfo;
100             result.Result = true;
101         }
102         return result;
103     }
104 
105 
106     private string _WebRequest(Method method, string url, string postData)
107     {
108         HttpWebRequest webRequest = null;
109         StreamWriter requestWriter = null;
110         string responseData = "";
111 
112         webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
113         webRequest.Method = method.ToString();
114         webRequest.ServicePoint.Expect100Continue = false;
115 
116         if (method == Method.POST)
117         {
118             webRequest.ContentType = "application/x-www-form-urlencoded";
119             requestWriter = new StreamWriter(webRequest.GetRequestStream());
120             try
121             {
122                 requestWriter.Write(postData);
123             }
124             catch
125             {
126                 throw;
127             }
128             finally
129             {
130                 requestWriter.Close();
131                 requestWriter = null;
132             }
133         }
134 
135         responseData = _WebResponseGet(webRequest);
136 
137         webRequest = null;
138 
139         return responseData;
140 
141     }
142 
143     private string _WebResponseGet(HttpWebRequest webRequest)
144     {
145         StreamReader responseReader = null;
146         string responseData = "";
147         try
148         {
149             responseReader = new StreamReader(webRequest.GetResponse().GetResponseStream());
150             responseData = responseReader.ReadToEnd();
151         }
152         catch
153         {
154             throw;
155         }
156         finally
157         {
158             webRequest.GetResponse().GetResponseStream().Close();
159             responseReader.Close();
160             responseReader = null;
161         }
162 
163         return responseData;
164     }
165 }
166 
167 /// <summary>
168 /// 通过code获取access_token 请求成功的实体
169 /// </summary>
170 public class WeiXinAccessTokenModel
171 {
172     /// <summary>
173     /// 接口调用凭证
174     /// </summary>
175     public string access_token { get; set; }
176     /// <summary>
177     /// access_token接口调用凭证超时时间，单位（秒）
178     /// </summary>
179     public int expires_in { get; set; }
180     /// <summary>
181     /// 用户刷新access_token
182     /// </summary>
183     public string refresh_token { get; set; }
184     /// <summary>
185     /// 授权用户唯一标识
186     /// </summary>
187     public string openid { get; set; }
188     /// <summary>
189     /// 用户授权的作用域，使用逗号（,）分隔
190     /// </summary>
191     public string scope { get; set; }
192 }
193 
194 public class WeiXinAccessTokenResult
195 {
196     public WeiXinAccessTokenModel SuccessResult { get; set; }
197     public bool Result { get; set; }
198 
199     public WeiXinHelper.WeiXinErrorMsg ErrorResult { get; set; }
200 }
201 
202 /// <summary>
203     /// 微信帮助类
204     /// </summary>
205 public class WeiXinHelper
206     {
207         /// <summary>
208         /// 微信错误访问的情况
209         /// </summary>
210         public class WeiXinErrorMsg
211         {
212             /// <summary>
213             /// 错误编号
214             /// </summary>
215             public int errcode { get; set; }
216             /// <summary>
217             /// 错误提示消息
218             /// </summary>
219             public string errmsg { get; set; }
220         }
221  
222         /// <summary>
223         /// 获取微信用户信息
224         /// </summary>
225         public class WeiXinUserInfoResult
226         {
227             /// <summary>
228             /// 微信用户信息
229             /// </summary>
230             public WeiXinUserInfo UserInfo { get; set; }
231             /// <summary>
232             /// 结果
233             /// </summary>
234             public bool Result { get; set; }
235             /// <summary>
236             /// 错误信息
237             /// </summary>
238             public WeiXinErrorMsg ErrorMsg { get; set; }
239         }
240  
241         /// <summary>
242         /// 微信授权成功后，返回的用户信息
243         /// </summary>
244         public class WeiXinUserInfo
245         {
246             /// <summary>
247             /// 用户的唯一标识
248             /// </summary>
249             public string openid { get; set; }
250             /// <summary>
251             /// 用户昵称
252             /// </summary>
253             public string nickname { get; set; }
254             /// <summary>
255             /// 用户的性别，值为1时是男性，值为2时是女性，值为0时是未知
256             /// </summary>
257             public string sex { get; set; }
258             /// <summary>
259             /// 用户个人资料填写的省份
260             /// </summary>
261             public string province { get; set; }
262             /// <summary>
263             /// 普通用户个人资料填写的城市
264             /// </summary>
265             public string city { get; set; }
266             /// <summary>
267             /// 国家，如中国为CN
268             /// </summary>
269             public string country { get; set; }
270             /// <summary>
271             /// 用户头像，最后一个数值代表正方形头像大小（有0、46、64、96、132数值可选，0代表640*640正方形头像），用户没有头像时该项为空
272             /// </summary>
273             public string headimgurl { get; set; }
274             /// <summary>
275             /// 用户特权信息，json 数组，如微信沃卡用户为（chinaunicom）
276             /// </summary>
277             public string[] privilege { get; set; }
278             /// <summary>
279             /// 用户统一标识,针对一个微信开放平台帐号下的应用，同一用户的unionid是唯一的
280             /// </summary>
281             public string unionid { get; set; }
282         }
283     }

posted on 2019-01-26 17:36 power_yu 阅读(635) 评论(0) 收藏举报

刷新页面返回顶部

power_yu

微信第三方登录

导航

公告