File: Listener\ResponseHeaderTests.cs
Web Access
Project: src\src\Servers\HttpSys\test\FunctionalTests\Microsoft.AspNetCore.Server.HttpSys.FunctionalTests.csproj (Microsoft.AspNetCore.Server.HttpSys.FunctionalTests)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.InternalTesting;
using Microsoft.Extensions.Primitives;
using Xunit;
 
namespace Microsoft.AspNetCore.Server.HttpSys.Listener;
 
public class ResponseHeaderTests : IDisposable
{
    private HttpClient _client = new HttpClient();
 
    void IDisposable.Dispose()
    {
        _client.Dispose();
    }
 
    [ConditionalFact]
    public async Task ResponseHeaders_11Request_ServerSendsDefaultHeaders()
    {
        string address;
        using (var server = Utilities.CreateHttpServer(out address))
        {
            Task<HttpResponseMessage> responseTask = SendRequestAsync(address);
 
            var context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Dispose();
 
            HttpResponseMessage response = await responseTask;
            response.EnsureSuccessStatusCode();
            Assert.Equal(2, response.Headers.Count());
            Assert.False(response.Headers.TransferEncodingChunked.HasValue);
            Assert.True(response.Headers.Date.HasValue);
            Assert.Equal("Microsoft-HTTPAPI/2.0", response.Headers.Server.ToString());
            Assert.Single(response.Content.Headers);
            Assert.Equal(0, response.Content.Headers.ContentLength);
        }
    }
 
    [ConditionalFact]
    public async Task ResponseHeaders_10Request_ServerSendsDefaultHeaders()
    {
        string address;
        using (var server = Utilities.CreateHttpServer(out address))
        {
            Task<HttpResponseMessage> responseTask = SendRequestAsync(address, usehttp11: false);
 
            var context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Dispose();
 
            HttpResponseMessage response = await responseTask;
            response.EnsureSuccessStatusCode();
            Assert.Equal(3, response.Headers.Count());
            Assert.False(response.Headers.TransferEncodingChunked.HasValue);
            Assert.True(response.Headers.ConnectionClose.Value);
            Assert.True(response.Headers.Date.HasValue);
            Assert.Equal("Microsoft-HTTPAPI/2.0", response.Headers.Server.ToString());
            Assert.Single(response.Content.Headers);
            Assert.Equal(0, response.Content.Headers.ContentLength);
        }
    }
 
    [ConditionalFact]
    public async Task ResponseHeaders_11HeadRequest_ServerSendsDefaultHeaders()
    {
        string address;
        using (var server = Utilities.CreateHttpServer(out address))
        {
            Task<HttpResponseMessage> responseTask = SendHeadRequestAsync(address);
 
            var context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Dispose();
 
            HttpResponseMessage response = await responseTask;
            response.EnsureSuccessStatusCode();
            Assert.Equal(2, response.Headers.Count());
            Assert.False(response.Headers.TransferEncodingChunked.HasValue);
            Assert.True(response.Headers.Date.HasValue);
            Assert.Equal("Microsoft-HTTPAPI/2.0", response.Headers.Server.ToString());
            Assert.False(response.Content.Headers.Contains("Content-Length"));
            Assert.Empty(response.Content.Headers);
 
            // Send a second request to check that the connection wasn't corrupted.
            responseTask = SendHeadRequestAsync(address);
            context = await server.AcceptAsync(Utilities.DefaultTimeout);
            context.Dispose();
            response = await responseTask;
        }
    }
 
    [ConditionalFact]
    public async Task ResponseHeaders_10HeadRequest_ServerSendsDefaultHeaders()
    {
        string address;
        using (var server = Utilities.CreateHttpServer(out address))
        {
            Task<HttpResponseMessage> responseTask = SendHeadRequestAsync(address, usehttp11: false);
 
            var context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Dispose();
 
            HttpResponseMessage response = await responseTask;
            response.EnsureSuccessStatusCode();
            Assert.Equal(3, response.Headers.Count());
            Assert.False(response.Headers.TransferEncodingChunked.HasValue);
            Assert.True(response.Headers.ConnectionClose.Value);
            Assert.True(response.Headers.Date.HasValue);
            Assert.Equal("Microsoft-HTTPAPI/2.0", response.Headers.Server.ToString());
            Assert.False(response.Content.Headers.Contains("Content-Length"));
            Assert.Empty(response.Content.Headers);
 
            // Send a second request to check that the connection wasn't corrupted.
            responseTask = SendHeadRequestAsync(address);
            context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Dispose();
            response = await responseTask;
        }
    }
 
    [ConditionalFact]
    public async Task ResponseHeaders_11HeadRequestWithContentLength_Success()
    {
        string address;
        using (var server = Utilities.CreateHttpServer(out address))
        {
            Task<HttpResponseMessage> responseTask = SendHeadRequestAsync(address);
 
            var context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Response.ContentLength = 20;
            context.Dispose();
 
            HttpResponseMessage response = await responseTask;
            response.EnsureSuccessStatusCode();
            Assert.Equal(2, response.Headers.Count());
            Assert.False(response.Headers.TransferEncodingChunked.HasValue);
            Assert.True(response.Headers.Date.HasValue);
            Assert.Equal("Microsoft-HTTPAPI/2.0", response.Headers.Server.ToString());
            Assert.Single(response.Content.Headers);
            Assert.Equal(20, response.Content.Headers.ContentLength);
 
            // Send a second request to check that the connection wasn't corrupted.
            responseTask = SendHeadRequestAsync(address);
            context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Dispose();
            response = await responseTask;
        }
    }
 
    [ConditionalFact]
    public async Task ResponseHeaders_11RequestStatusCodeWithoutBody_NoContentLengthOrChunkedOrClose()
    {
        string address;
        using (var server = Utilities.CreateHttpServer(out address))
        {
            Task<HttpResponseMessage> responseTask = SendRequestAsync(address);
 
            var context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Response.StatusCode = 204; // No Content
            context.Dispose();
 
            HttpResponseMessage response = await responseTask;
            response.EnsureSuccessStatusCode();
            Assert.Equal(2, response.Headers.Count());
            Assert.False(response.Headers.TransferEncodingChunked.HasValue);
            Assert.True(response.Headers.Date.HasValue);
            Assert.Equal("Microsoft-HTTPAPI/2.0", response.Headers.Server.ToString());
            Assert.False(response.Content.Headers.Contains("Content-Length"));
            Assert.Empty(response.Content.Headers);
        }
    }
 
    [ConditionalFact]
    public async Task ResponseHeaders_11HeadRequestStatusCodeWithoutBody_NoContentLengthOrChunkedOrClose()
    {
        string address;
        using (var server = Utilities.CreateHttpServer(out address))
        {
            Task<HttpResponseMessage> responseTask = SendHeadRequestAsync(address);
 
            var context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Response.StatusCode = 204; // No Content
            context.Dispose();
 
            HttpResponseMessage response = await responseTask;
            response.EnsureSuccessStatusCode();
            Assert.Equal(2, response.Headers.Count());
            Assert.False(response.Headers.TransferEncodingChunked.HasValue);
            Assert.True(response.Headers.Date.HasValue);
            Assert.Equal("Microsoft-HTTPAPI/2.0", response.Headers.Server.ToString());
            Assert.False(response.Content.Headers.Contains("Content-Length"));
            Assert.Empty(response.Content.Headers);
 
            // Send a second request to check that the connection wasn't corrupted.
            responseTask = SendHeadRequestAsync(address);
            context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Dispose();
            response = await responseTask;
        }
    }
 
    [ConditionalFact]
    public async Task ResponseHeaders_HTTP10KeepAliveRequest_Gets11Close()
    {
        string address;
        using (var server = Utilities.CreateHttpServer(out address))
        {
            // Http.Sys does not support 1.0 keep-alives.
            Task<HttpResponseMessage> responseTask = SendRequestAsync(address, usehttp11: false, sendKeepAlive: true);
 
            var context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
            context.Dispose();
 
            HttpResponseMessage response = await responseTask;
            response.EnsureSuccessStatusCode();
            Assert.Equal(new Version(1, 1), response.Version);
            Assert.True(response.Headers.ConnectionClose.Value);
        }
    }
 
    [ConditionalTheory]
    [InlineData("Server", "\r\nData")]
    [InlineData("Server", "\0Data")]
    [InlineData("Server", "Data\r")]
    [InlineData("Server", "Da\0ta")]
    [InlineData("Server", "Da\u001Fta")]
    [InlineData("Unknown-Header", "\r\nData")]
    [InlineData("Unknown-Header", "\0Data")]
    [InlineData("Unknown-Header", "Data\0")]
    [InlineData("Unknown-Header", "Da\nta")]
    [InlineData("\r\nServer", "Data")]
    [InlineData("Server\r", "Data")]
    [InlineData("Ser\0ver", "Data")]
    [InlineData("Server\r\n", "Data")]
    [InlineData("\u001FServer", "Data")]
    [InlineData("Unknown-Header\r\n", "Data")]
    [InlineData("\0Unknown-Header", "Data")]
    [InlineData("Unknown\r-Header", "Data")]
    [InlineData("Unk\nown-Header", "Data")]
    public async Task AddingControlCharactersToHeadersThrows(string key, string value)
    {
        string address;
        using (var server = Utilities.CreateHttpServer(out address))
        {
            Task<HttpResponseMessage> responseTask = SendRequestAsync(address);
 
            var context = await server.AcceptAsync(Utilities.DefaultTimeout).Before(responseTask);
 
            var responseHeaders = context.Response.Headers;
 
            Assert.Throws<InvalidOperationException>(() =>
            {
                responseHeaders[key] = value;
            });
 
            Assert.Throws<InvalidOperationException>(() =>
            {
                responseHeaders[key] = new StringValues(new[] { "valid", value });
            });
 
            Assert.Throws<InvalidOperationException>(() =>
            {
                ((IDictionary<string, StringValues>)responseHeaders)[key] = value;
            });
 
            Assert.Throws<InvalidOperationException>(() =>
            {
                var kvp = new KeyValuePair<string, StringValues>(key, value);
                ((ICollection<KeyValuePair<string, StringValues>>)responseHeaders).Add(kvp);
            });
 
            Assert.Throws<InvalidOperationException>(() =>
            {
                var kvp = new KeyValuePair<string, StringValues>(key, value);
                ((IDictionary<string, StringValues>)responseHeaders).Add(key, value);
            });
 
            context.Dispose();
 
            HttpResponseMessage response = await responseTask;
            response.EnsureSuccessStatusCode();
        }
    }
 
    private async Task<HttpResponseMessage> SendRequestAsync(string uri, bool usehttp11 = true, bool sendKeepAlive = false)
    {
        var request = new HttpRequestMessage(HttpMethod.Get, uri);
        if (!usehttp11)
        {
            request.Version = new Version(1, 0);
        }
        if (sendKeepAlive)
        {
            request.Headers.Add("Connection", "Keep-Alive");
        }
        return await _client.SendAsync(request);
    }
 
    private async Task<HttpResponseMessage> SendHeadRequestAsync(string uri, bool usehttp11 = true)
    {
        var request = new HttpRequestMessage(HttpMethod.Head, uri);
        if (!usehttp11)
        {
            request.Version = new Version(1, 0);
        }
        return await _client.SendAsync(request);
    }
}