/// <summary>
/// 解析
/// </summary>
/// <param name="jwtStr"></param>
/// <returns></returns>
public static TokenModelJWT SerializeJWT(string jwtStr)
{
var jwtHandler = new JwtSecurityTokenHandler();
JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(jwtStr);
object role = new object();
object name = new object();
object Exp = new object();
try
{
jwtToken.Payload.TryGetValue(ClaimTypes.Role, out role);
jwtToken.Payload.TryGetValue(JwtRegisteredClaimNames.GivenName, out name);
jwtToken.Payload.TryGetValue(JwtRegisteredClaimNames.Exp, out Exp);
}
catch (Exception e)
{
throw;
}
var tm = new TokenModelJWT
{
Uid = jwtToken.Id,
Role = role != null?role.ToString() : "",
UserName = name != null?name.ToString() : "",
Exp = Convert.ToInt64(Exp)
};
return(tm);
}
/// <summary>
///
/// </summary>
/// <param name="httpContext"></param>
/// <returns></returns>
public Task Invoke(HttpContext httpContext)
{
PreProceed(httpContext);
//检测是否包含'Authorization'请求头
if (!httpContext.Request.Headers.ContainsKey("Authorization"))
{
PostProceed(httpContext);
return(_next(httpContext));
}
//var tokenHeader = httpContext.Request.Headers["Authorization"].ToString();
var tokenHeader = httpContext.Request.Headers["Authorization"].ToString().Replace("Bearer ", "");
try
{
if (tokenHeader.Length >= 128)
{
TokenModelJWT tm = JwtHelper.SerializeJWT(tokenHeader);
//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;
}
}
catch (Exception e)
{
Console.WriteLine($"{DateTime.Now} middleware wrong:{e.Message}");
}
PostProceed(httpContext);
return(_next(httpContext));
}
