/// <summary>
/// 获取网页用户授权
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public static Access_tokenResult GetWeChatAccess_token(string code)
{
string url = string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", SystemSet.Appid, SystemSet.Appsecret, code);
Access_tokenResult result = new Access_tokenResult();
string resultJson = HttpUtils.Ins.GET(url);
if (!resultJson.IsNull())
{
if (resultJson.Contains("errcode"))
{
//WeChatErrorResult errorResult = JsonHelper.DeserializeObject<WeChatErrorResult>(resultJson);
ClassLoger.Fail("WeChatAPIHelper.GetWeChatAccess_token(" + code + ")", url);
ClassLoger.Fail("WeChatAPIHelper.GetWeChatAccess_token(" + code + ")", resultJson);
}
else
{
Dictionary <string, object> resDic = JsonHelper.DeserializeObject(resultJson);
result.access_token = resDic["access_token"].TryToString();
result.expires_in = resDic["expires_in"].TryToInt(100);
result.openid = resDic["openid"].TryToString();
result.refresh_token = resDic["refresh_token"].TryToString();
result.scope = resDic["scope"].TryToString();
}
}
return(result);
}
/// <summary>
/// 刷新access_token(超时刷新)
/// </summary>
/// <param name="refresh_token"></param>
/// <returns></returns>
public Access_tokenResult RefreshAccess_token(string refresh_token)
{
string url = string.Format("https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={0}&grant_type=refresh_token&refresh_token={1}", Appid, refresh_token);
string ReText = WebRequestPostOrGet(url, "");//post/get方法获取信息
Access_tokenResult access_tokenResult = JsonConvert.DeserializeObject <Access_tokenResult>(ReText);
return(access_tokenResult);
}
/// 用Code换取Openid、Access_token
public Access_tokenResult CodeGetOpenidAndAccess_token(string Code)
{
string url = string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", Appid, Appsecret, Code);
string ReText = WebRequestPostOrGet(url, "");//post/get方法获取信息
Access_tokenResult access_tokenResult = JsonConvert.DeserializeObject <Access_tokenResult>(ReText);
return(access_tokenResult);
}
/// <summary>
/// 刷新access_token（如果需要）
/// 由于access_token拥有较短的有效期，当access_token超时后，可以使用refresh_token进行刷新，
/// refresh_token拥有较长的有效期（7天、30天、60天、90天），当refresh_token失效的后，需要用户重新授权。
/// </summary>
/// <param name="refresh_token">通过access_token获取到的refresh_token参数</param>
/// <returns></returns>
public static Access_tokenResult Refresh_token(string refresh_token)
{
Access_tokenResult result = new Access_tokenResult();
string url = string.Format("https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={0}&grant_type=refresh_token&refresh_token={1}", SystemSet.Appid, refresh_token);
string resultJson = HttpUtils.Ins.GET(url);
if (!resultJson.IsNull())
{
if (resultJson.Contains("errcode"))
{
//WeChatErrorResult errorResult = JsonHelper.DeserializeObject<WeChatErrorResult>(resultJson);
ClassLoger.Fail("WeChatAPIHelper.refresh_token(" + refresh_token + ")", url);
ClassLoger.Fail("WeChatAPIHelper.refresh_token(" + refresh_token + ")", resultJson);
}
else
{
result = JsonHelper.DeserializeObject <Access_tokenResult>(resultJson);
}
}
return(result);
}
protected void Page_Load(object sender, EventArgs e)
{
LoginConfig loginConfig = new LoginConfig();
this.Appid = loginConfig.AppKey;
this.Appsecret = loginConfig.AppSecret;
this.code = RequestHelper.GetQueryString <string>("code");
if (!string.IsNullOrEmpty(code))
{
#region 获取access_token
Access_tokenResult access_tokenResult = new Access_tokenResult();
//如果session有值
if (Session["expires_in"] != null && Session["access_token"] != null && Session["openid"] != null)
{//如果Session["access_token"]没过期
if (Convert.ToInt32(Session["expires_in"]) >= ShopCommon.ConvertDateTimeInt(DateTime.Now))
{
access_tokenResult.access_token = Session["access_token"].ToString();
access_tokenResult.openid = Session["openid"].ToString();
}
else//如果Session["access_token"]过期,根据refresh_token刷新access_token
{
if (Session["refresh_token"] != null)
{
access_tokenResult = RefreshAccess_token(Session["refresh_token"].ToString());
}
}
}
else
{
//根据code获取access_token
access_tokenResult = CodeGetOpenidAndAccess_token(this.code);
if (!string.IsNullOrEmpty(access_tokenResult.errcode) || string.IsNullOrEmpty(access_tokenResult.access_token) || string.IsNullOrEmpty(access_tokenResult.openid))
{
Response.Write("参数错误，请稍后重试");
Response.End();
}
else
{
//验证access_token是否有效,失效了重新获取
WeChatMsg _msg = Check_Access_token(access_tokenResult.access_token, access_tokenResult.openid);
if (_msg.errcode != "0")
{
Response.Write("参数错误，请稍后重试");
Response.End();
}
else
{//access_token有效，重新赋值session
Session["expires_in"] = ShopCommon.ConvertDateTimeInt(DateTime.Now) + 7000;
Session["access_token"] = access_tokenResult.access_token;
Session["refresh_token"] = access_tokenResult.refresh_token;
Session["openid"] = access_tokenResult.openid;
}
}
}
#endregion
//获取userinfo
Snsapi_userinfo snsapi_userinfo = GetUserinfo(access_tokenResult.access_token, access_tokenResult.openid);
if (!string.IsNullOrEmpty(snsapi_userinfo.errcode) || string.IsNullOrEmpty(snsapi_userinfo.openid))
{
Response.Write("参数错误，请稍后重试");
Response.End();
}
else
{
string openID = snsapi_userinfo.openid;
//string openID = access_tokenResult.openid;
openID = "wx-" + openID;
//如果没有用户添加用户
int userID = UserBLL.Read(openID).Id;
UserInfo userInfo = new UserInfo();
if (userID <= 0)
{
userInfo.UserName = Server.UrlDecode(snsapi_userinfo.nickname);
userInfo.UserPassword = StringHelper.Password(Guid.NewGuid().ToString(), (PasswordType)ShopConfig.ReadConfigInfo().PasswordType);
userInfo.Photo = snsapi_userinfo.headimgurl;
int _sex = userInfo.Sex;
int.TryParse(snsapi_userinfo.sex, out _sex);
//微信sex：1 男，2 女， 0 未知
//本站sex：1 男，2 女， 3 未知
userInfo.Sex = _sex == 0 ? 3 : _sex;
userInfo.Email = "";
userInfo.RegisterIP = ClientHelper.IP;
userInfo.RegisterDate = RequestHelper.DateNow;
userInfo.LastLoginIP = ClientHelper.IP;
userInfo.LastLoginDate = RequestHelper.DateNow;
userInfo.FindDate = RequestHelper.DateNow;
userInfo.Status = (int)UserStatus.Normal;
userInfo.OpenId = openID;
userID = UserBLL.Add(userInfo);
}
//当前用户登录
userInfo = UserBLL.Read(userID);
UserBLL.UserLoginInit(userInfo);
userInfo.LastLoginIP = ClientHelper.IP;
userInfo.LastLoginDate = RequestHelper.DateNow;
UserBLL.Update(userInfo);
//跳转至会员中心
Response.Write("<script> location.href='/Mobile/User/Index.html'</script>");
Response.End();
//ResponseHelper.Redirect("/User/Index.html");
}
}
}
/// <summary>
/// 用户确认授权
/// </summary>
/// <param name="code"></param>
/// <param name="state"></param>
private void getUserinfo(string code, string state)
{
try
{
//网络授权有有效期，最好用redis缓存
//获取用户网络授权
string access_token = string.Empty;
string openid = string.Empty;
if (RedisBase.ContainsKey(code))
{
Access_tokenResult accResult = RedisBase.Item_Get <Access_tokenResult>(code);
access_token = accResult.access_token;
openid = accResult.openid;
}
else
{
Access_tokenResult accResult = WeChatAccessTokenAPI.GetWeChatAccess_token(code);
RedisBase.Item_Set(code, accResult);
RedisBase.ExpireEntryAt(code, DateTime.Now.AddSeconds(accResult.expires_in));
access_token = accResult.access_token;
openid = accResult.openid;
}
//获取用户信息
WeChatUserInfo userinfo = null;
string userkey = getWeChatUserKey(access_token, openid);
if (RedisBase.ContainsKey(userkey))
{
userinfo = RedisBase.Item_Get <WeChatUserInfo>(userkey);
}
else
{
userinfo = WeChatUserInfoAPI.GetWeChatUserInfo(access_token, openid);
if (userinfo != null)
{
RedisBase.Item_Set(userkey, userinfo);
RedisBase.ExpireEntryAt(userkey, DateTime.Now.AddDays(2));
}
}
WeChatUser wuser = userbll.GetWeChatUserByUnionID(userinfo.unionid);
if (wuser == null)
{
wuser = new WeChatUser();
wuser.PlatformOpenID = userinfo.openid;
wuser.UnionID = userinfo.unionid;
userbll.AddWeChatUser(wuser);
}
else
{
if (string.IsNullOrEmpty(wuser.PlatformOpenID))
{
wuser.PlatformOpenID = userinfo.openid;
wuser.UnionID = userinfo.unionid;
userbll.UpdateWeChatUser(wuser);
}
}
UserInfoBll ubll = new UserInfoBll();
UserInfo _user = ubll.GetUserInfoByOpenID(userinfo.unionid);
// 用户绑定微信
string bindkey = string.Format("bind_{0}", state);
string msg = MqttAgreement.GetWeChatLoginMA(state, true);
if (RedisBase.ContainsKey(bindkey))
{
//用户之前已经关注过微信公共号，需要把之前微信公共号账户中的信息更新到这个账户中
if (_user != null)
{
_user.Openid = "";
ubll.UpdateUserinfo(_user);
}
UserInfo binduser = RedisBase.Item_Get <UserInfo>(bindkey);
binduser.Openid = userinfo.unionid;
ubll.UpdateUserinfo(binduser);
}
else
{
WeChatLogin login = loginbll.GetWeChatLoginByUUID(state);
if (login == null)
{
login = new WeChatLogin();
login.UUID = state;
login.CreateTime = DateTime.Now;
login.LoginData = DateTime.Now.ToString("yyyy-MM-dd");
}
login.Headimgurl = userinfo.headimgurl;
login.Nickname = userinfo.nickname;
login.Openid = userinfo.unionid;
login.Sex = userinfo.sex.TryToString();
login.State = 1;
login.LoginData = DateTime.Now.ToString("yyyy-MM-dd");
login.CreateTime = DateTime.Now;
loginbll.UpdateWeChatLogin(login);
if (_user == null)
{
_user = new UserInfo();
_user.Openid = userinfo.unionid;
_user.CreateTime = DateTime.Now;
_user.Headimgurl = userinfo.headimgurl;
_user.Nickname = userinfo.nickname;
_user.Sex = (SexEnum)userinfo.sex;
_user.Name = userinfo.nickname;
_user.city = userinfo.city;
_user.province = userinfo.province;
ubll.UpdateUserinfo(_user);
}
//向客户端推送消息
MqttPublishClient.Ins.PublishOneClient(login.LockCode, msg);
}
MqttPublishClient.Ins.PublishAllClient(msg);
}
catch (Exception ex)
{
ClassLoger.Error("WeChatLoginCallBackController.getUserinfo", ex);
}
}
public void ProcessRequest(HttpContext context)
{
//context.Response.ContentType = "text/plain";
//context.Response.Write("Hello World");
this.code = RequestHelper.GetQueryString <string>("code");
if (!string.IsNullOrEmpty(code))
{
#region 获取access_token
Access_tokenResult access_tokenResult = new Access_tokenResult();
//如果session有值
if (context.Session["expires_in"] != null && context.Session["access_token"] != null && context.Session["openid"] != null)
{//如果Session["access_token"]没过期
if (Convert.ToInt32(context.Session["expires_in"]) >= ShopCommon.ConvertDateTimeInt(DateTime.Now))
{
access_tokenResult.access_token = context.Session["access_token"].ToString();
access_tokenResult.openid = context.Session["openid"].ToString();
}
else//如果Session["access_token"]过期,根据refresh_token刷新access_token
{
if (context.Session["refresh_token"] != null)
{
access_tokenResult = RefreshAccess_token(context.Session["refresh_token"].ToString());
}
}
}
else
{
//根据code获取access_token
access_tokenResult = CodeGetOpenidAndAccess_token(this.code);
if (!string.IsNullOrEmpty(access_tokenResult.errcode) || string.IsNullOrEmpty(access_tokenResult.access_token) || string.IsNullOrEmpty(access_tokenResult.openid))
{
context.Response.Write("参数错误，请稍后重试");
context.Response.End();
}
else
{
//验证access_token是否有效,失效了重新获取
WeChatMsg _msg = Check_Access_token(access_tokenResult.access_token, access_tokenResult.openid);
if (_msg.errcode != "0")
{
context.Response.Write("参数错误，请稍后重试");
context.Response.End();
}
else
{//access_token有效，重新赋值session
context.Session["expires_in"] = ShopCommon.ConvertDateTimeInt(DateTime.Now) + 7000;
context.Session["access_token"] = access_tokenResult.access_token;
context.Session["refresh_token"] = access_tokenResult.refresh_token;
context.Session["openid"] = access_tokenResult.openid;
}
}
}
#endregion
//获取userinfo
Snsapi_userinfo snsapi_userinfo = GetUserinfo(access_tokenResult.access_token, access_tokenResult.openid);
if (!string.IsNullOrEmpty(snsapi_userinfo.errcode) || string.IsNullOrEmpty(snsapi_userinfo.openid))
{
context.Response.Write("参数错误，请稍后重试");
context.Response.End();
}
else
{
string openID = snsapi_userinfo.openid;
//string openID = access_tokenResult.openid;
openID = "wx-" + openID;
//如果没有用户添加用户
int userID = UserBLL.Read(openID).Id;
UserInfo userInfo = new UserInfo();
if (userID <= 0)
{
userInfo.UserName = snsapi_userinfo.nickname;
userInfo.UserPassword = StringHelper.Password(Guid.NewGuid().ToString(), (PasswordType)ShopConfig.ReadConfigInfo().PasswordType);
userInfo.Photo = snsapi_userinfo.headimgurl;
int _sex = userInfo.Sex;
int.TryParse(snsapi_userinfo.sex, out _sex);
//微信sex：1 男，2 女， 0 未知
//本站sex：1 男，2 女， 3 未知
userInfo.Sex = _sex == 0 ? 3 : _sex;
userInfo.Email = "";
userInfo.RegisterIP = ClientHelper.IP;
userInfo.RegisterDate = RequestHelper.DateNow;
userInfo.LastLoginIP = ClientHelper.IP;
userInfo.LastLoginDate = RequestHelper.DateNow;
userInfo.FindDate = RequestHelper.DateNow;
userInfo.Status = (int)UserStatus.Normal;
userInfo.OpenId = openID;
userID = UserBLL.Add(userInfo);
}
//当前用户登录
userInfo = UserBLL.Read(userID);
UserBLL.UserLoginInit(userInfo);
userInfo.LastLoginIP = ClientHelper.IP;
userInfo.LastLoginDate = RequestHelper.DateNow;
UserBLL.Update(userInfo);
//跳转至会员中心
ResponseHelper.Redirect("/mobile/User/Index.html");
}
}
}
public ActionResult CallBackRedirect()
{
//网络授权有有效期，最好用redis缓存
//获取用户网络授权
string code = Request["code"].TryToString();
string state = Request["state"].TryToString();
ClassLoger.Info("WeixinRedirectController.CallBackRedirect", state, code);
string access_token = string.Empty;
string openid = string.Empty;
if (RedisBase.ContainsKey(code))
{
Access_tokenResult accResult = RedisBase.Item_Get <Access_tokenResult>(code);
access_token = accResult.access_token;
openid = accResult.openid;
}
else
{
Access_tokenResult accResult = WeChatAccessTokenAPI.GetWeChatServiceAccess_token(code);
RedisBase.Item_Set(code, accResult);
RedisBase.ExpireEntryAt(code, DateTime.Now.AddSeconds(accResult.expires_in));
access_token = accResult.access_token;
openid = accResult.openid;
}
//获取用户信息
WeChatUserInfo userinfo = null;
string userkey = getWeChatUserKey(access_token, openid);
if (RedisBase.ContainsKey(userkey))
{
userinfo = RedisBase.Item_Get <WeChatUserInfo>(userkey);
}
else
{
userinfo = WeChatUserInfoAPI.GetWeChatUserInfo(access_token, openid);
if (userinfo != null)
{
RedisBase.Item_Set(userkey, userinfo);
RedisBase.ExpireEntryAt(userkey, DateTime.Now.AddDays(2));
}
}
UserInfo _user = userbll.GetUserInfoByOpenID(userinfo.unionid);
if (_user == null)
{
_user = new UserInfo();
_user.Openid = userinfo.unionid;
_user.CreateTime = DateTime.Now;
_user.Headimgurl = userinfo.headimgurl;
_user.Nickname = userinfo.nickname;
_user.Sex = (SexEnum)userinfo.sex;
_user.Name = userinfo.nickname;
_user.city = userinfo.city;
_user.province = userinfo.province;
userbll.UpdateUserinfo(_user);
}
ClassLoger.Info("CallBackRedirect", userkey);
RedisSession <UserInfo> redissession = new Models.RedisSession <UserInfo>(HttpContext, true, 120);
redissession["UserCode"] = _user;
switch (state)
{
//普通用户个人中心
case "UserCore":
return(RedirectToAction("Index", "UserCore"));
case "AdminCore":
//return RedirectToAction("Index", "AdminCore");
default:
string url = HttpUtils.Ins.UrlDecode(state);
if (RedisBase.ContainsKey(state))
{
url = RedisBase.Item_Get <string>(state);
}
return(Redirect(url));
}
}
