// GET: /<controller>/
public async Task<IActionResult> Index()
{
string userCode = string.Empty;
string totenID = string.Empty;
if (!string.IsNullOrEmpty(Request.Query["token"]) && Request.Query["token"].Any() && !string.IsNullOrEmpty(Request.Query["userCode"]) && Request.Query["userCode"].Any())
{
userCode = Request.Query["userCode"][0];
totenID = Request.Query["token"][0];
// HttpContext.Response.Cookies.Append("","");
var identity = new ClaimsIdentity("UserForm"); // 指定身份认证类型
identity.AddClaim(new Claim(ClaimTypes.Sid, userCode)); // 键值对
identity.AddClaim(new Claim(ClaimTypes.Name, totenID)); // 键值对
var principal = new ClaimsPrincipal(identity);
await HttpContext.Authentication.SignInAsync("Cookie", principal, new AuthenticationProperties { IsPersistent = true });
}
else if (User.FindFirst(ClaimTypes.Sid) != null)
{
totenID = User.FindFirst(ClaimTypes.Sid).Value;
}
if (!string.IsNullOrEmpty(totenID))
{
//远程sso 服务中心验证 数据的有效性
UserTotenInput userInput = new UserTotenInput()
{
UserCode = userCode,
Toten = totenID
};
var flag = HttpClientHeaper<UserTotenInput>.Post(StaticParameter.ValidateToken, userInput);
if (flag == null)
{
//跳转登录页面
return Redirect("http://www.baidu.com/Home/index");
}
}
else
{
//跳转登录页面
}
return View();
}
public bool KeepToken(UserTotenInput user)
{
bool flag = true;
if (_memoryCache.Get <string>(user.UserCode) == user.Toten)
{
_memoryCache.Remove(user.UserCode);
}
else
{
flag = false;
}
return(flag);
}
public bool CheckAndGetToten([FromBody] UserTotenInput user)
{
bool flag = false;
if (!string.IsNullOrEmpty(user.UserCode) && !string.IsNullOrEmpty(user.Toten))
{
string result;
if (!_memoryCache.TryGetValue(user.UserCode, out result))
{
//设置相对过期时间2分钟
_memoryCache.Set(user.UserCode, user.Toten, new MemoryCacheEntryOptions()
.SetSlidingExpiration(TimeSpan.FromMinutes(2)));
////设置绝对过期时间2分钟
//_memoryCache.Set(cacheKey, result, new MemoryCacheEntryOptions()
// .SetAbsoluteExpiration(TimeSpan.FromMinutes(2)));
////移除缓存
//_memoryCache.Remove(cacheKey);
////缓存优先级 （程序压力大时，会根据优先级自动回收）
//_memoryCache.Set(cacheKey, result, new MemoryCacheEntryOptions()
// .SetPriority(CacheItemPriority.NeverRemove));
////缓存回调 10秒过期会回调
//_memoryCache.Set(cacheKey, result, new MemoryCacheEntryOptions()
// .SetAbsoluteExpiration(TimeSpan.FromSeconds(10))
// .RegisterPostEvictionCallback((key, value, reason, substate) =>
// {
// Console.WriteLine($"键{key}值{value}改变，因为{reason}");
// }));
////缓存回调 根据Token过期
//var cts = new CancellationTokenSource();
//_memoryCache.Set(cacheKey, result, new MemoryCacheEntryOptions()
// .AddExpirationToken(new CancellationChangeToken(cts.Token))
// .RegisterPostEvictionCallback((key, value, reason, substate) =>
// {
// Console.WriteLine($"键{key}值{value}改变，因为{reason}");
// }));
//cts.Cancel();
flag = true;
}
}
return(flag);
}
public bool ValidateToken(UserTotenInput user)
{
bool flag = false;
if (!string.IsNullOrEmpty(user.UserCode) && !string.IsNullOrEmpty(user.Toten))
{
//判断 toten 是否有效
if (_memoryCache.Get <string>(user.UserCode) == user.Toten)
{
flag = true;
}
else
{
flag = false;
}
}
else
{
flag = false;
}
return(flag);
}
