Thinktecture error "insufficient_scope". Claiming uniform coverage versus list of areas

I'm sure the answer is obvious, but it eludes me now.

I get a 403 when my code tries to call / connect / userinfo and the message is "not enough".

https://github.com/IdentityServer/IdentityServer3/blob/master/source/Core/Validation/TokenValidator.cs#L153

Above is a line of code that checks a JWT scoping claim and wants to find the "openid" value to get the / connect / userinfo endpoint to work.

In my JWT, if it has something like:

"scope": "openid"

      

        
        
        
      

    

... then the end point is fine. Instead, if I have:

"scope": ["openid", "email", "profile"]

      

        
        
        
      

    

... then it fails.

Should I never have a list / array of scope claims? Maybe I'm missing a configuration setting somewhere?

Updating with code

Unfortunately. Of course the code will make the problem clearer.

Customer store

    public ClientStore()
    {
        _clients = new List<Client>
        {
            new Client
            {
                AlwaysSendClientClaims = true,
                RequireConsent = false,
                Enabled = true,
                ClientName = @"MVC Client",
                ClientId = @"mvc",
                PostLogoutRedirectUris = new List<string>
                {
                    "http://localhost:8080/index.html"
                },
                RedirectUris = new List<string>
                {
                    "http://localhost:8080/loginCallback.html"
                }
            }
        };
    }

      

        
        
        
      

    

Shop area

    public ScopeStore()
    {
        var scopes = new List<Scope>
        {
            StandardScopes.OpenId,
            StandardScopes.Profile,
            StandardScopes.Email,
            StandardScopes.Address,
            StandardScopes.AllClaims,
            StandardScopes.RolesAlwaysInclude
        };

        _scopes = scopes;
    }

      

        
        
        
      

    

Startup.cs

        var certFile = env.ApplicationBasePath + "/cert.pfx";

        app.Map("/core", core =>
        {
            var factory = new IdentityServerServiceFactory();

            var configuration = new Configuration();
            configuration.AddJsonFile("config.json");

            var userService = new EndUserService(configuration.Get("ConnectionString"));
            factory.UserService = new Registration<IUserService>(resolver => userService);

            var scopeStore = new ScopeStore();
            factory.ScopeStore = new Registration<IScopeStore>(resolver => scopeStore);

            var clientStore = new ClientStore();
            factory.ClientStore = new Registration<IClientStore>(resolver => clientStore); 

            var cert = new X509Certificate2(certFile, "test");

            var idsrvOptions = new IdentityServerOptions
            {
                CorsPolicy = CorsPolicy.AllowAll,
                Factory = factory,
                RequireSsl = false,
                SigningCertificate = cert,
                LoggingOptions = new LoggingOptions() {
                    EnableWebApiDiagnostics = true,
                    EnableHttpLogging = true
                }
            };

            core.UseIdentityServer(idsrvOptions);
        });

      

        
        
        
      

    

login.html

var config = {
    client_id: "mvc",
    redirect_uri: "http://localhost:8080/loginCallback.html",
    response_type: "id_token token",
    scope: "openid email profile",
    authority: "http://localhost:44319/core",
    post_logout_redirect_uri: "http://localhost:8080/index.html"
};
var mgr = new OidcTokenManager(config);

      

        
        
        
      

    

UPDATE # 2

Shoot, it's Mono against Windows. Works fine on Windows, broken Mono. Known issue, apparently: https://github.com/IdentityServer/IdentityServer3/issues/1373#issuecomment-104756822