// public TokenModel CurrentUser = new TokenModel();
/// <summary>
/// 获取当前用户
/// </summary>
/// <returns></returns>
protected TokenModel GetCurrentUser()
{
var headers = HttpContext.Request.Headers;
//检测是否包含'Authorization'请求头，如果不包含返回context进行下一个中间件，用于访问不需要认证的API
if (!headers.ContainsKey("Authorization"))
{
return(null);
}
var tokenStr = headers["Authorization"];
try
{
string jwtStr = tokenStr.ToString().Substring("FPLDQBearer ".Length).Trim();
//验证缓存中是否存在该jwt字符串
if (!BLOGPIMemoryCache.Exists(jwtStr))
{
return(null);
}
TokenModel tm = ((TokenModel)BLOGPIMemoryCache.Get(jwtStr));
return(tm);
}
catch (Exception ex)
{
return(null);
}
}
/// <summary>
/// 销毁用户令牌
/// </summary>
/// <param name="token"></param>
/// <returns></returns>
public bool unInitUserToken(string token)
{
if (string.IsNullOrEmpty(token))
{
throw new ArgumentNullException(nameof(token));
}
if (BLOGPIMemoryCache.Exists(token))
{
return(BLOGPIMemoryCache.DeleteMemoryCache(token));
}
else
{
return(true);
}
}
/// <summary>
/// 中间键执行方法
/// </summary>
/// <param name="httpContext"></param>
/// <returns></returns>
public Task Invoke(HttpContext httpContext)
{
var headers = httpContext.Request.Headers;
//检测是否包含'Authorization'请求头，如果不包含返回context进行下一个中间件，用于访问不需要认证的API
if (!headers.ContainsKey("Authorization"))
{
//return httpContext.Response.WriteAsync("非法请求");
return(_next(httpContext));
}
var tokenStr = headers["Authorization"];
try
{
string jwtStr = tokenStr.ToString().Substring("FPLDQBearer ".Length).Trim();
//验证缓存中是否存在该jwt字符串
if (!BLOGPIMemoryCache.Exists(jwtStr))
{
Model.ApiResult <bool> apiResult = new Model.ApiResult <bool>();
apiResult.Code = Model.ApiResultStatu.Error;
apiResult.Data = false;
apiResult.Msg = "验证不通过,请求非法路径.";
apiResult.Success = false;
return(httpContext.Response.WriteAsync(apiResult.ToString()));
}
TokenModel tm = ((TokenModel)BLOGPIMemoryCache.Get(jwtStr));
//提取tokenModel中的Sub属性进行authorize认证
List <Claim> lc = new List <Claim>();
Claim c = new Claim(tm.Sub + "Type", tm.Sub);
lc.Add(c);
ClaimsIdentity identity = new ClaimsIdentity(lc);
ClaimsPrincipal principal = new ClaimsPrincipal(identity);
httpContext.User = principal;
return(_next(httpContext));
}
catch (Exception ex)
{
Model.ApiResult <bool> apiResult = new Model.ApiResult <bool>();
apiResult.Code = Model.ApiResultStatu.Error;
apiResult.Data = false;
apiResult.Msg = "token验证异常:" + ex.StackTrace + " 错误信息+" + ex.Message;
apiResult.Success = false;
return(httpContext.Response.WriteAsync(apiResult.ToString()));
}
}