aspnet-contrib/AspNet.Security.OpenIdConnect.Server

Yes.

here is my

public override async Task HandleAuthorizationRequest(HandleAuthorizationRequestContext context)
{
if (context.Request.IsImplicitFlow())
{
var clientId = context.Request.ClientId;
var rdi = context.Request.RedirectUri;
var state = context.Request.State;
var scope = context.Request.Scope;
if (string.IsNullOrEmpty(clientId))
{
context.Reject(error: OpenIdConnectConstants.Errors.InvalidClient,
description: "client id cannot be null");
return;
}
else if (string.IsNullOrEmpty(rdi))
{
context.Reject(
error: OpenIdConnectConstants.Errors.InvalidClient,
description: "redirect_uri cannot be empty"
);
return;
}
else if (string.IsNullOrEmpty(scope))
{
context.Reject(
error: OpenIdConnectConstants.Errors.InvalidClient,
description: "scope cannot be empty"
);
return;
}

            var identity = new ClaimsIdentity(
                OpenIdConnectServerDefaults.AuthenticationScheme,
                OpenIdConnectConstants.Claims.Name,
                OpenIdConnectConstants.Claims.Role);
            var clientService = context.HttpContext.RequestServices.GetRequiredService<IClientService>();
            var clientService = await partnerService.GetPartnerBrokerAuthClientByClientAccessId(clientId);
            if (clientService == null)
            {
                context.Reject(error: OpenIdConnectConstants.Errors.InvalidClient,
                    description: "client id cannot be found");
                return;
            }


            if (string.IsNullOrEmpty(clientService .AllowedOrigin))
            {
                context.Reject(error: OpenIdConnectConstants.Errors.InvalidClient,
                    description: "The redirect url of the client cannot be null");
                return;
            }
            if (!clientService .AllowedOrigin.Split(',').Any(x => string.Equals(x, rdi, StringComparison.OrdinalIgnoreCase)))
            {
                context.Reject(
                            error: OpenIdConnectConstants.Errors.InvalidClient,
                            description: "The supplied redirect uri is incorrect"
                        );
                return;
            }
            if (clientService .Scopes == null || ( clientService .Scopes != null && clientService .Scopes.Count == 0 ))
            {
                context.Reject(error: OpenIdConnectConstants.Errors.InvalidClient,
                    description: "Ths definition of the client's scopes cannot be null");
                return;
            }

}