gateway/HuiXin.Gateway.Ocelot/Middlewares/MyAuthorizationMiddleware.cs

using Ocelot.Infrastructure.Claims.Parser;
using Ocelot.Logging;
using Ocelot.Middleware;
using Ocelot.Responses;

namespace HuiXin.Gateway.Ocelot.Middlewares
{
    public class MyAuthorizationMiddleware : OcelotMiddleware
    {
        private readonly RequestDelegate _next;
        private readonly IClaimsParser _claimsParser;

        public MyAuthorizationMiddleware(RequestDelegate next,
            IClaimsParser claimsParser,
            IOcelotLoggerFactory loggerFactory)
            : base(loggerFactory.CreateLogger<MyAuthorizationMiddleware>())
        {
            _next = next;
            _claimsParser = claimsParser;
        }

        public async Task Invoke(HttpContext httpContext)
        {
            Authorize(httpContext);
            await _next.Invoke(httpContext);
        }

        public Response<bool> Authorize(HttpContext httpContext)
        {
            var values = _claimsParser.GetValuesByClaimType(httpContext.User.Claims, "role");
            return new OkResponse<bool>(true);
        }
    }
}