public bool Unsubscribe(string name, string ID)
{
lock (_syncLocker)
{
var ci = _cache.Get(name);
if (ci != null)
{
if (ci.Creator == ID)
{
ci.Members.Clear();
_cache.Del(name);
}
else
{
var cm = ci.Members.FirstOrDefault(b => b.ID == ID);
if (cm != null)
{
ci.Members.Remove(cm);
_cache.Set(name, ci, TimeSpan.FromDays(1));
}
}
}
return(false);
}
}
/// <summary>
/// 释放IUserToken
/// </summary>
/// <param name="userToken"></param>
public bool Free(IUserToken userToken)
{
if (userToken == null || userToken.Socket == null)
{
return(false);
}
if (_session.Del(userToken.ID))
{
try
{
if (userToken.Socket.Connected)
{
try
{
userToken.Socket.Shutdown(SocketShutdown.Both);
}
catch { }
userToken.Socket.Close();
}
}
catch { }
_bufferManager.FreeBuffer(userToken.ReadArgs);
_argsPool.Enqueue(userToken.ReadArgs);
_argsPool.Enqueue(userToken.WriteArgs);
_userTokenPool.Enqueue(userToken);
return(true);
}
return(false);
}
/// <summary>
/// 释放IUserToken
/// </summary>
/// <param name="userToken"></param>
public bool Free(IUserToken userToken)
{
_session.Del(userToken.ID);
if (userToken.Socket != null && userToken.Socket.Connected)
{
try
{
userToken.Socket.Shutdown(SocketShutdown.Both);
}
catch { }
_bufferManager.FreeBuffer(userToken.ReadArgs);
_argsPool.Push(userToken.ReadArgs);
_argsPool.Push(userToken.WriteArgs);
userToken.Dispose();
return(true);
}
return(false);
}
public static void Remove(string ID)
{
_session.Del(ID);
}
public async Task <ApiResult <string> > Login([FromBody] SysAdminLogin parm)
{
var apiRes = new ApiResult <string>()
{
statusCode = (int)ApiEnum.HttpRequestError
};
var token = "";
try
{
#region 1. 从缓存获取公钥私钥解密，再解密密码
//获得公钥私钥，解密
var rsaKey = MemoryCacheHelper.Get <List <string> >(KeyModel.LoginKey);
if (rsaKey == null)
{
apiRes.msg = "登录失败，请刷新浏览器再次登录";
return(apiRes);
}
//Ras解密密码
var ras = new RSAEncrypt(rsaKey[0], rsaKey[1]);
parm.password = ras.Decrypt(parm.password);
#endregion
#region 2. 判断用户登录次数限制以及过期时间
//获得用户登录限制次数
var configLoginCount = Convert.ToInt32(Appsettings.Configuration[KeyModel.LoginCount]);
//获得登录次数和过期时间
SysAdminLoginConfig loginConfig = MemoryCacheHelper.Get <SysAdminLoginConfig>(KeyModel.LoginCount) ?? new SysAdminLoginConfig();
if (loginConfig.Count != 0 && loginConfig.DelayMinute != null)
{
//说明存在过期时间，需要判断
if (DateTime.Now <= loginConfig.DelayMinute)
{
apiRes.msg = "您的登录以超过设定次数，请稍后再次登录~";
return(apiRes);
}
else
{
//已经过了登录的预设时间，重置登录配置参数
loginConfig.Count = 0;
loginConfig.DelayMinute = null;
}
}
#endregion
#region 3. 从数据库查询该用户
//查询登录结果
var dbres = _adminService.LoginAsync(parm).Result;
if (dbres.statusCode != 200)
{
//增加登录次数
loginConfig.Count += 1;
//登录的次数大于配置的次数，则提示过期时间
if (loginConfig.Count == configLoginCount)
{
var configDelayMinute = Convert.ToInt32(Appsettings.Configuration[KeyModel.LogindElayMinute]);
//记录过期时间
loginConfig.DelayMinute = DateTime.Now.AddMinutes(configDelayMinute);
apiRes.msg = "登录次数超过" + configLoginCount + "次，请" + configDelayMinute + "分钟后再次登录";
return(apiRes);
}
//记录登录次数，保存到session
MemoryCacheHelper.Set(KeyModel.LoginCount, loginConfig);
//提示用户错误和登录次数信息
apiRes.msg = dbres.msg + " 您还剩余" + (configLoginCount - loginConfig.Count) + "登录次数";
return(apiRes);
}
#endregion
#region 4. 设置Identity User信息
var user = dbres.data.admin;
var identity = new ClaimsPrincipal(
new ClaimsIdentity(new[]
{
new Claim(ClaimTypes.Sid, user.ID),
new Claim(ClaimTypes.Role, user.RoleId),
new Claim(ClaimTypes.Thumbprint, user.HeadPic),
new Claim(ClaimTypes.Name, user.RelName),
new Claim(ClaimTypes.WindowsAccountName, user.Account),
new Claim(ClaimTypes.UserData, user.LastLoginTime.ToString())
}, CookieAuthenticationDefaults.AuthenticationScheme)
);
if (Appsettings.Configuration[KeyModel.LoginSaveUser] == "Session")
{//如果保存用户类型是Session，则默认设置cookie退出浏览器 清空，并且保存用户信息
await HttpContext.SignInAsync(CookieAuthenticationDefaults.AuthenticationScheme, identity, new AuthenticationProperties
{
AllowRefresh = false
});
}
else
{
//根据配置保存浏览器用户信息，小时单位
var hours = int.Parse(Appsettings.Configuration[KeyModel.LoginCookieExpires]);
await HttpContext.SignInAsync(CookieAuthenticationDefaults.AuthenticationScheme, identity, new AuthenticationProperties
{
ExpiresUtc = DateTime.UtcNow.AddHours(hours),
IsPersistent = true,
AllowRefresh = false
});
}
#endregion
#region 5. 保存权限信息到缓存
if (dbres.data.menu != null)
{
var menuSaveType = Appsettings.Configuration[KeyModel.LoginAuthorize];
if (menuSaveType == "Redis")
{
RedisCacheHelper.Set(KeyModel.AdminMenu + "_" + dbres.data.admin.ID, dbres.data.menu);
}
else
{
MemoryCacheHelper.Set(KeyModel.AdminMenu + "_" + dbres.data.admin.ID, dbres.data.menu);
}
}
#endregion
#region 6. 生成token信息，并且返回给前端
token = JwtHelper.IssueToken(new TokenModel()
{
UserID = user.ID,
UserName = user.RelName,
UserAccount = user.Account,
Role = "AdminPolicy",
ProjectName = "DL.Admin"
});
MemoryCacheHelper.Del <string>(KeyModel.LoginKey);
MemoryCacheHelper.Del <string>(KeyModel.LoginCount);
#endregion
#region 7. 保存日志
var agent = HttpContext.Request.Headers["User-Agent"];
var log = new SysLog()
{
ID = Guid.NewGuid().ToString(),
CreateTime = DateTime.Now,
Layer = 1,
Message = "登录",
Url = "/Login/Login",
IP = _httpContextAccessor.HttpContext.Connection.RemoteIpAddress.ToString(),
Account = parm.loginname,
Browser = agent.ToString()
};
await _logService.AddAsync(log);
#endregion
}
catch (Exception ex)
{
apiRes.msg = ex.Message;
apiRes.statusCode = (int)ApiEnum.Error;
#region 保存日志
var agent = HttpContext.Request.Headers["User-Agent"];
var log = new SysLog()
{
ID = Guid.NewGuid().ToString(),
CreateTime = DateTime.Now,
Layer = 4,
Message = "登录失败！" + ex.Message,
Exception = ex.Message,
Url = "/Login/Login",
IP = _httpContextAccessor.HttpContext.Connection.RemoteIpAddress.ToString(),
Account = parm.loginname,
Browser = agent.ToString()
};
await _logService.AddAsync(log);
#endregion
}
apiRes.statusCode = (int)ApiEnum.Status;
apiRes.data = token;
return(apiRes);
}