/// <summary>
/// 判断 Token 是否有效
/// </summary>
/// <param name="token">Token</param>
/// <returns></returns>
public async Task <bool> IsActiveAsync(string token)
{
if (redisCacheHelper.Exist(token))
{
return(true);
}
else
{
return(false);
}
}
public IQueryable <T_Category> GetAllCategories()
{
if (!RedisCacheHelper.Exist("Categories"))
{
RedisCacheHelper.Set("Categories", dal.LoadEntities(c => true));
}
else
{
var category = RedisCacheHelper.Get <IQueryable <T_Category> >("Categories");
if (category == null)
{
RedisCacheHelper.Set("Categories", dal.LoadEntities(c => true));
}
}
return(RedisCacheHelper.Get <IQueryable <T_Category> >("Categories"));
}
/// <summary>
/// 验证授权
/// </summary>
/// <param name="httpContext"></param>
/// <returns></returns>
public Task Invoke(HttpContext httpContext)
{
try
{
//检测是否包含'Authorization'请求头，如果不包含则直接放行
if (!httpContext.Request.Headers.ContainsKey("Authorization"))
{
return(_next(httpContext));
}
var tokenHeader = httpContext.Request.Headers["Authorization"];
tokenHeader = tokenHeader.ToString().Substring("Bearer ".Length).Trim();
//redis jwt 验证
RedisCacheHelper redisCacheHelper = new RedisCacheHelper();
if (!redisCacheHelper.Exist(tokenHeader))
{
throw new MyException("token不存在！");
}
TokenModel tm = new TokenModel();
if (JwtHelper.ValidateRuleBase(tokenHeader, out tm))
{
//授权
var claimList = new List <Claim>();
var claim = new Claim(ClaimTypes.Role, tm.Role);
claimList.Add(claim);
var identity = new ClaimsIdentity(claimList);
var principal = new ClaimsPrincipal(identity);
httpContext.User = principal;
return(_next(httpContext));
}
else
{
throw new MyException("验证不通过");
}
}
catch (Exception ex)
{
throw ex;
}
}
