cms_thermo_active/Step/Provider/SignalROAuthBearerProvider.cs

using Microsoft.Owin.Security.OAuth;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Web;

namespace Step.Provider
{
    public class SignalROAuthBearerProvider : OAuthBearerAuthenticationProvider
    {

        public override Task RequestToken(OAuthRequestTokenContext context)
        {
            
           var token = context.OwinContext.Request.Query["connectionToken"];

            if (!string.IsNullOrWhiteSpace(token))
            {
                if (context != null)
                {
                    context.Token = token;
                    base.RequestToken(context);
                }
            }
            return Task.FromResult<object>(null);
        }
        public override Task ValidateIdentity(OAuthValidateIdentityContext context)
        {
            return base.ValidateIdentity(context);
        }
    }

    class TokenValue
    {
        public string token { get; set; }
    }
}