PascalSenn

FAQ

How to..

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The problem with authentication of web sockets is that you can only authenticate a http request once against a authentication scheme. After that the authentication is cached and will always yield the same result.

A web socket connection starts over HTTP. A HTTP request with the Upgrade header is send to the back end. This request is then "upgraded" into a web socket that runs over the web socket pipeline. The main issue with web sockets is that you cannot set additional headers with this initial HTTP header. Therefore the authentication will fail and the request will be unauthenticated. The HTTP context of the initial request will last as long as the web socket connection is running.

The trick we do is that we add a stub authentication scheme:

	if (argument.Type is IFilterInputType filterInput &&
	context.Selection.Field.ContextData
	.TryGetValue(ContextVisitFilterArgumentKey, out var executorObj) &&
	executorObj is VisitFilterArgument executor)
	{
	var inMemory = IsInMemoryQuery<TEntityType>(input);

	var visitorContext = executor(filter, filterInput, inMemory);

	// compile expression tree

	public class Person
	{
	public string FirstName { get; }

	public string LastName { get; }
	}

	[ExtendObjectType(typeof(Person))]
	public class PersonExtension
	{

	public class Program
	{
	public static async Task Main(string[] args)
	{
	IHost? host = CreateHostBuilder(args).Build();
	if (args.Contains("--generate-schema"))
	{
	IRequestExecutor executor = await host.Services
	.GetRequiredService<IRequestExecutorResolver>()
	.GetRequestExecutorAsync();

	using System;
	using System.Collections.Generic;
	using System.IO;
	using System.Net;
	using System.Text;
	using System.Text.Json;
	using System.Text.RegularExpressions;
	using System.Threading.Tasks;
	using Microsoft.AspNetCore.Http;
	using Newtonsoft.Json;

	{
	"before": ["<tab>"],
	"commands": ["editor.action.indentLines"]
	},
	{
	"before": ["<S-Tab>"],
	"commands": ["editor.action.outdentLines"]
	},
	{
	"before": [","],

	// Place your key bindings in this file to overwrite the defaults
	[
	{
	"key": "shift+alt+q",
	"command": "tslint.fixAllProblems"
	},
	{
	"key": "shift+alt+u",
	"command": "-extension.updateSettings"
	},

	[AttributeUsage(AttributeTargets.Property \| AttributeTargets.Method)]
	public abstract class DataLoaderAttribute : ObjectFieldDescriptorAttribute
	{
	public static MethodInfo ConfigureMethod = typeof(DataLoaderAttribute)
	.GetMethod(nameof(DataLoaderAttribute.Configure));
	public DataLoaderAttribute(Type dataloaderType)
	{
	DataloaderType = dataloaderType;
	}
	public Type DataloaderType { get; }

	services.AddAuthentication(options =>
	{
	options.DefaultScheme = "YOURSCHEMANAME";
	options.DefaultAuthenticateScheme = "YOURSCHEMANAME";
	})
	.AddJwtBearer("Websockets", ctx => { })
	.AddIdentityServerAuthentication("YOURSCHEMANAME", options =>
	{
	options.ForwardDefaultSelector = context =>
	{