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HttpClientHandlerTest.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http.Headers;
using System.Net.Sockets;
using System.Net.Test.Common;
using System.Security.Authentication;
using System.Security.Cryptography;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.DotNet.XUnitExtensions;
using Xunit;
using Xunit.Abstractions;
namespace System.Net.Http.Functional.Tests
{
#if WINHTTPHANDLER_TEST
using HttpClientHandler = System.Net.Http.WinHttpClientHandler;
#endif
// Note: Disposing the HttpClient object automatically disposes the handler within. So, it is not necessary
// to separately Dispose (or have a 'using' statement) for the handler.
public abstract class HttpClientHandlerTest : HttpClientHandlerTestBase
{
public HttpClientHandlerTest(ITestOutputHelper output) : base(output)
{
}
[Fact]
public void CookieContainer_SetNull_ThrowsArgumentNullException()
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
Assert.Throws<ArgumentNullException>(() => handler.CookieContainer = null);
}
}
[Fact]
public void Ctor_ExpectedDefaultPropertyValues_CommonPlatform()
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
Assert.Equal(DecompressionMethods.None, handler.AutomaticDecompression);
Assert.True(handler.AllowAutoRedirect);
Assert.Equal(ClientCertificateOption.Manual, handler.ClientCertificateOptions);
CookieContainer cookies = handler.CookieContainer;
Assert.NotNull(cookies);
Assert.Equal(0, cookies.Count);
Assert.Null(handler.Credentials);
Assert.Equal(50, handler.MaxAutomaticRedirections);
Assert.NotNull(handler.Properties);
Assert.Null(handler.Proxy);
Assert.True(handler.SupportsAutomaticDecompression);
Assert.True(handler.UseCookies);
Assert.False(handler.UseDefaultCredentials);
Assert.True(handler.UseProxy);
}
}
[Fact]
public void Ctor_ExpectedDefaultPropertyValues()
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
Assert.Equal(64, handler.MaxResponseHeadersLength);
Assert.False(handler.PreAuthenticate);
Assert.True(handler.SupportsProxy);
Assert.True(handler.SupportsRedirectConfiguration);
// Changes from .NET Framework.
Assert.False(handler.CheckCertificateRevocationList);
Assert.Equal(0, handler.MaxRequestContentBufferSize);
Assert.Equal(SslProtocols.None, handler.SslProtocols);
}
}
[Fact]
public void Credentials_SetGet_Roundtrips()
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
var creds = new NetworkCredential("username", "password", "domain");
handler.Credentials = null;
Assert.Null(handler.Credentials);
handler.Credentials = creds;
Assert.Same(creds, handler.Credentials);
handler.Credentials = CredentialCache.DefaultCredentials;
Assert.Same(CredentialCache.DefaultCredentials, handler.Credentials);
}
}
[Theory]
[InlineData(-1)]
[InlineData(0)]
public void MaxAutomaticRedirections_InvalidValue_Throws(int redirects)
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
Assert.Throws<ArgumentOutOfRangeException>(() => handler.MaxAutomaticRedirections = redirects);
}
}
#if !WINHTTPHANDLER_TEST
[Theory]
[InlineData(-1)]
[InlineData((long)int.MaxValue + (long)1)]
public void MaxRequestContentBufferSize_SetInvalidValue_ThrowsArgumentOutOfRangeException(long value)
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
Assert.Throws<ArgumentOutOfRangeException>(() => handler.MaxRequestContentBufferSize = value);
}
}
#endif
[Fact]
public void Properties_Get_CountIsZero()
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
IDictionary<string, object> dict = handler.Properties;
Assert.Same(dict, handler.Properties);
Assert.Equal(0, dict.Count);
}
}
[Fact]
public void Properties_AddItemToDictionary_ItemPresent()
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
IDictionary<string, object> dict = handler.Properties;
var item = new object();
dict.Add("item", item);
object value;
Assert.True(dict.TryGetValue("item", out value));
Assert.Equal(item, value);
}
}
[Fact]
public async Task GetAsync_IPv6LinkLocalAddressUri_Success()
{
if (IsWinHttpHandler && UseVersion >= HttpVersion20.Value)
{
return;
}
if (UseVersion == HttpVersion30)
{
return;
}
using HttpClientHandler handler = CreateHttpClientHandler();
handler.ServerCertificateCustomValidationCallback = TestHelper.AllowAllCertificates;
using HttpClient client = CreateHttpClient(handler);
var options = new GenericLoopbackOptions { Address = TestHelper.GetIPv6LinkLocalAddress() };
if (options.Address == null)
{
throw new SkipTestException("Unable to find valid IPv6 LL address.");
}
await LoopbackServerFactory.CreateServerAsync(async (server, url) =>
{
_output.WriteLine(url.ToString());
await TestHelper.WhenAllCompletedOrAnyFailed(
server.AcceptConnectionSendResponseAndCloseAsync(),
client.SendAsync(CreateRequest(HttpMethod.Get, url, UseVersion, true)));
}, options: options);
}
[Theory]
[MemberData(nameof(GetAsync_IPBasedUri_Success_MemberData))]
public async Task GetAsync_IPBasedUri_Success(IPAddress address)
{
if (IsWinHttpHandler && UseVersion >= HttpVersion20.Value)
{
return;
}
if (UseVersion == HttpVersion30)
{
return;
}
using HttpClientHandler handler = CreateHttpClientHandler();
handler.ServerCertificateCustomValidationCallback = TestHelper.AllowAllCertificates;
using HttpClient client = CreateHttpClient(handler);
var options = new GenericLoopbackOptions { Address = address };
await LoopbackServerFactory.CreateServerAsync(async (server, url) =>
{
_output.WriteLine(url.ToString());
await TestHelper.WhenAllCompletedOrAnyFailed(
server.AcceptConnectionSendResponseAndCloseAsync(),
client.SendAsync(CreateRequest(HttpMethod.Get, url, UseVersion, true)));
}, options: options);
}
public static IEnumerable<object[]> GetAsync_IPBasedUri_Success_MemberData()
{
foreach (var addr in new[] { IPAddress.Loopback, IPAddress.IPv6Loopback })
{
if (addr != null)
{
yield return new object[] { addr };
}
}
}
[Theory]
[InlineData("[::1234]")]
[InlineData("[::1234]:8080")]
public async Task GetAsync_IPv6AddressInHostHeader_CorrectlyFormatted(string host)
{
string ipv6Address = "http://" + host;
bool connectionAccepted = false;
if (UseVersion == HttpVersion30)
{
return;
}
await LoopbackServer.CreateClientAndServerAsync(async proxyUri =>
{
using (HttpClientHandler handler = CreateHttpClientHandler())
using (HttpClient client = CreateHttpClient(handler))
{
handler.Proxy = new WebProxy(proxyUri);
try { await client.GetAsync(ipv6Address); } catch { }
}
}, server => server.AcceptConnectionAsync(async connection =>
{
connectionAccepted = true;
List<string> headers = await connection.ReadRequestHeaderAndSendResponseAsync();
Assert.Contains($"Host: {host}", headers);
}));
Assert.True(connectionAccepted);
}
[Theory]
[InlineData("1.2.3.4")]
[InlineData("1.2.3.4:8080")]
[InlineData("[::1234]")]
[InlineData("[::1234]:8080")]
public async Task ProxiedIPAddressRequest_NotDefaultPort_CorrectlyFormatted(string host)
{
string uri = "http://" + host;
bool connectionAccepted = false;
if (UseVersion == HttpVersion30)
{
return;
}
await LoopbackServer.CreateClientAndServerAsync(async proxyUri =>
{
using (HttpClientHandler handler = CreateHttpClientHandler())
using (HttpClient client = CreateHttpClient(handler))
{
handler.Proxy = new WebProxy(proxyUri);
try { await client.GetAsync(uri); } catch { }
}
}, server => server.AcceptConnectionAsync(async connection =>
{
connectionAccepted = true;
List<string> headers = await connection.ReadRequestHeaderAndSendResponseAsync();
Assert.Contains($"GET {uri}/ HTTP/1.1", headers);
}));
Assert.True(connectionAccepted);
}
public static IEnumerable<object[]> DestinationHost_MemberData()
{
yield return new object[] { "nosuchhost.invalid" };
yield return new object[] { "1.2.3.4" };
yield return new object[] { "[::1234]" };
}
[Theory]
[MemberData(nameof(DestinationHost_MemberData))]
public async Task ProxiedRequest_DefaultPort_PortStrippedOffInUri(string host)
{
string addressUri = $"http://{host}:80/";
string expectedAddressUri = $"http://{host}/";
bool connectionAccepted = false;
if (UseVersion == HttpVersion30)
{
return;
}
await LoopbackServer.CreateClientAndServerAsync(async proxyUri =>
{
using (HttpClientHandler handler = CreateHttpClientHandler())
using (HttpClient client = CreateHttpClient(handler))
{
handler.Proxy = new WebProxy(proxyUri);
try { await client.GetAsync(addressUri); } catch { }
}
}, server => server.AcceptConnectionAsync(async connection =>
{
connectionAccepted = true;
List<string> headers = await connection.ReadRequestHeaderAndSendResponseAsync();
Assert.Contains($"GET {expectedAddressUri} HTTP/1.1", headers);
}));
Assert.True(connectionAccepted);
}
[Theory]
[MemberData(nameof(DestinationHost_MemberData))]
public async Task ProxyTunnelRequest_PortSpecified_NotStrippedOffInUri(string host)
{
// Https proxy request will use CONNECT tunnel, even the default 443 port is specified, it will not be stripped off.
string requestTarget = $"{host}:443";
string addressUri = $"https://{host}/";
bool connectionAccepted = false;
if (UseVersion == HttpVersion30)
{
return;
}
await LoopbackServer.CreateClientAndServerAsync(async proxyUri =>
{
using (HttpClientHandler handler = CreateHttpClientHandler())
using (HttpClient client = CreateHttpClient(handler))
{
handler.Proxy = new WebProxy(proxyUri);
handler.ServerCertificateCustomValidationCallback = TestHelper.AllowAllCertificates;
try { await client.GetAsync(addressUri); } catch { }
}
}, server => server.AcceptConnectionAsync(async connection =>
{
connectionAccepted = true;
List<string> headers = await connection.ReadRequestHeaderAndSendResponseAsync();
Assert.Contains($"CONNECT {requestTarget} HTTP/1.1", headers);
}));
Assert.True(connectionAccepted);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ProxyTunnelRequest_UserAgentHeaderAdded(bool addUserAgentHeader)
{
if (IsWinHttpHandler)
{
return; // Skip test since the fix is only in SocketsHttpHandler.
}
if (UseVersion == HttpVersion30)
{
return;
}
string host = "nosuchhost.invalid";
string addressUri = $"https://{host}/";
bool connectionAccepted = false;
await LoopbackServer.CreateClientAndServerAsync(async proxyUri =>
{
using (HttpClientHandler handler = CreateHttpClientHandler())
using (var client = new HttpClient(handler))
{
handler.Proxy = new WebProxy(proxyUri);
handler.ServerCertificateCustomValidationCallback = TestHelper.AllowAllCertificates;
if (addUserAgentHeader)
{
client.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue("Mozilla", "5.0"));
}
try
{
await client.GetAsync(addressUri);
}
catch
{
}
}
}, server => server.AcceptConnectionAsync(async connection =>
{
connectionAccepted = true;
List<string> headers = await connection.ReadRequestHeaderAndSendResponseAsync();
Assert.Contains($"CONNECT {host}:443 HTTP/1.1", headers);
if (addUserAgentHeader)
{
Assert.Contains("User-Agent: Mozilla/5.0", headers);
}
else
{
Assert.DoesNotContain("User-Agent:", headers);
}
}));
Assert.True(connectionAccepted);
}
public static IEnumerable<object[]> SecureAndNonSecure_IPBasedUri_MemberData() =>
from address in new[] { IPAddress.Loopback, IPAddress.IPv6Loopback }
from useSsl in BoolValues
select new object[] { address, useSsl };
[Theory]
[MemberData(nameof(SecureAndNonSecure_IPBasedUri_MemberData))]
public async Task GetAsync_SecureAndNonSecureIPBasedUri_CorrectlyFormatted(IPAddress address, bool useSsl)
{
if (LoopbackServerFactory.Version >= HttpVersion20.Value)
{
// Host header is not supported on HTTP/2 and later.
return;
}
var options = new LoopbackServer.Options { Address = address, UseSsl= useSsl };
bool connectionAccepted = false;
string host = "";
await LoopbackServer.CreateClientAndServerAsync(async url =>
{
host = $"{url.Host}:{url.Port}";
using (HttpClientHandler handler = CreateHttpClientHandler())
using (HttpClient client = CreateHttpClient(handler))
{
if (useSsl)
{
handler.ServerCertificateCustomValidationCallback = TestHelper.AllowAllCertificates;
}
try { await client.GetAsync(url); } catch { }
}
}, server => server.AcceptConnectionAsync(async connection =>
{
connectionAccepted = true;
List<string> headers = await connection.ReadRequestHeaderAndSendResponseAsync();
Assert.Contains($"Host: {host}", headers);
}), options);
Assert.True(connectionAccepted);
}
[Theory]
[InlineData("WWW-Authenticate", "CustomAuth")]
[InlineData("", "")] // RFC7235 requires servers to send this header with 401 but some servers don't.
public async Task GetAsync_ServerNeedsNonStandardAuthAndSetCredential_StatusCodeUnauthorized(string authHeadrName, string authHeaderValue)
{
if (IsWinHttpHandler && UseVersion >= HttpVersion20.Value)
{
return;
}
await LoopbackServerFactory.CreateServerAsync(async (server, url) =>
{
HttpClientHandler handler = CreateHttpClientHandler();
handler.Credentials = new NetworkCredential("unused", "unused");
using (HttpClient client = CreateHttpClient(handler))
{
Task<HttpResponseMessage> getResponseTask = client.GetAsync(url);
Task<HttpRequestData> serverTask = server.AcceptConnectionSendResponseAndCloseAsync(HttpStatusCode.Unauthorized, additionalHeaders: string.IsNullOrEmpty(authHeadrName) ? null : new HttpHeaderData[] { new HttpHeaderData(authHeadrName, authHeaderValue) });
await TestHelper.WhenAllCompletedOrAnyFailed(getResponseTask, serverTask);
using (HttpResponseMessage response = await getResponseTask)
{
Assert.Equal(HttpStatusCode.Unauthorized, response.StatusCode);
}
}
});
}
[Theory]
[InlineData(":")]
[InlineData("\x1234: \x5678")]
[InlineData("nocolon")]
[InlineData("no colon")]
[InlineData("Content-Length ")]
public async Task GetAsync_InvalidHeaderNameValue_ThrowsHttpRequestException(string invalidHeader)
{
if (UseVersion == HttpVersion30)
{
return;
}
await LoopbackServer.CreateClientAndServerAsync(async uri =>
{
using (HttpClient client = CreateHttpClient())
{
await Assert.ThrowsAsync<HttpRequestException>(() => client.GetStringAsync(uri));
}
}, server => server.AcceptConnectionSendCustomResponseAndCloseAsync($"HTTP/1.1 200 OK\r\n{invalidHeader}\r\nContent-Length: 11\r\n\r\nhello world"));
}
[Theory]
[InlineData(false, false)]
[InlineData(true, false)]
[InlineData(false, true)]
[InlineData(true, true)]
public async Task GetAsync_IncompleteData_ThrowsHttpRequestException(bool failDuringHeaders, bool getString)
{
if (IsWinHttpHandler)
{
return; // see https://github.com/dotnet/runtime/issues/30115#issuecomment-508330958
}
if (UseVersion != HttpVersion.Version11)
{
return;
}
await LoopbackServer.CreateClientAndServerAsync(async uri =>
{
using (HttpClient client = CreateHttpClient())
{
Task t = getString ? (Task)
client.GetStringAsync(uri) :
client.GetByteArrayAsync(uri);
await Assert.ThrowsAsync<HttpRequestException>(() => t);
}
}, server =>
failDuringHeaders ?
server.AcceptConnectionSendCustomResponseAndCloseAsync("HTTP/1.1 200 OK\r\nContent-Length: 5\r\n") :
server.AcceptConnectionSendCustomResponseAndCloseAsync("HTTP/1.1 200 OK\r\nContent-Length: 5\r\n\r\nhe"));
}
[Fact]
public async Task PostAsync_ManyDifferentRequestHeaders_SentCorrectly()
{
if (IsWinHttpHandler && UseVersion >= HttpVersion20.Value)
{
return;
}
const string content = "hello world";
// Using examples from https://en.wikipedia.org/wiki/List_of_HTTP_header_fields#Request_fields
// Exercises all exposed request.Headers and request.Content.Headers strongly-typed properties
await LoopbackServerFactory.CreateClientAndServerAsync(async uri =>
{
using (HttpClient client = CreateHttpClient())
{
byte[] contentArray = Encoding.ASCII.GetBytes(content);
var request = new HttpRequestMessage(HttpMethod.Post, uri) { Content = new ByteArrayContent(contentArray), Version = UseVersion };
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("text/plain"));
request.Headers.AcceptCharset.Add(new StringWithQualityHeaderValue("utf-8"));
request.Headers.AcceptEncoding.Add(new StringWithQualityHeaderValue("gzip"));
request.Headers.AcceptEncoding.Add(new StringWithQualityHeaderValue("deflate"));
request.Headers.AcceptLanguage.Add(new StringWithQualityHeaderValue("en-US"));
request.Headers.Add("Accept-Datetime", "Thu, 31 May 2007 20:35:00 GMT");
request.Headers.Add("Access-Control-Request-Method", "GET");
request.Headers.Add("Access-Control-Request-Headers", "GET");
request.Headers.Add("Age", "12");
request.Headers.Authorization = new AuthenticationHeaderValue("Basic", "QWxhZGRpbjpvcGVuIHNlc2FtZQ==");
request.Headers.CacheControl = new CacheControlHeaderValue() { NoCache = true };
request.Headers.Connection.Add("close");
request.Headers.Add("Cookie", "$Version=1; Skin=new");
request.Content.Headers.ContentLength = contentArray.Length;
request.Content.Headers.ContentMD5 = MD5.Create().ComputeHash(contentArray);
request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
request.Headers.Date = DateTimeOffset.Parse("Tue, 15 Nov 1994 08:12:31 GMT");
request.Headers.Expect.Add(new NameValueWithParametersHeaderValue("100-continue"));
request.Headers.Add("Forwarded", "for=192.0.2.60;proto=http;by=203.0.113.43");
request.Headers.Add("From", "User Name <user@example.com>");
request.Headers.Host = "en.wikipedia.org:8080";
request.Headers.IfMatch.Add(new EntityTagHeaderValue("\"37060cd8c284d8af7ad3082f209582d\""));
request.Headers.IfModifiedSince = DateTimeOffset.Parse("Sat, 29 Oct 1994 19:43:31 GMT");
request.Headers.IfNoneMatch.Add(new EntityTagHeaderValue("\"737060cd8c284d8af7ad3082f209582d\""));
request.Headers.IfRange = new RangeConditionHeaderValue(DateTimeOffset.Parse("Wed, 21 Oct 2015 07:28:00 GMT"));
request.Headers.IfUnmodifiedSince = DateTimeOffset.Parse("Sat, 29 Oct 1994 19:43:31 GMT");
request.Headers.MaxForwards = 10;
request.Headers.Add("Origin", "http://www.example-social-network.com");
request.Headers.Pragma.Add(new NameValueHeaderValue("no-cache"));
request.Headers.ProxyAuthorization = new AuthenticationHeaderValue("Basic", "QWxhZGRpbjpvcGVuIHNlc2FtZQ==");
request.Headers.Range = new RangeHeaderValue(500, 999);
request.Headers.Referrer = new Uri("http://en.wikipedia.org/wiki/Main_Page");
request.Headers.TE.Add(new TransferCodingWithQualityHeaderValue("trailers"));
request.Headers.TE.Add(new TransferCodingWithQualityHeaderValue("deflate"));
request.Headers.Trailer.Add("MyTrailer");
request.Headers.TransferEncoding.Add(new TransferCodingHeaderValue("chunked"));
request.Headers.UserAgent.Add(new ProductInfoHeaderValue(new ProductHeaderValue("Mozilla", "5.0")));
request.Headers.Upgrade.Add(new ProductHeaderValue("HTTPS", "1.3"));
request.Headers.Upgrade.Add(new ProductHeaderValue("IRC", "6.9"));
request.Headers.Upgrade.Add(new ProductHeaderValue("RTA", "x11"));
request.Headers.Upgrade.Add(new ProductHeaderValue("websocket"));
request.Headers.Via.Add(new ViaHeaderValue("1.0", "fred"));
request.Headers.Via.Add(new ViaHeaderValue("1.1", "example.com", null, "(Apache/1.1)"));
request.Headers.Warning.Add(new WarningHeaderValue(199, "-", "\"Miscellaneous warning\""));
request.Headers.Add("X-Requested-With", "XMLHttpRequest");
request.Headers.Add("DNT", "1 (Do Not Track Enabled)");
request.Headers.Add("X-Forwarded-For", "client1");
request.Headers.Add("X-Forwarded-For", "proxy1");
request.Headers.Add("X-Forwarded-For", "proxy2");
request.Headers.Add("X-Forwarded-Host", "en.wikipedia.org:8080");
request.Headers.Add("X-Forwarded-Proto", "https");
request.Headers.Add("Front-End-Https", "https");
request.Headers.Add("X-Http-Method-Override", "DELETE");
request.Headers.Add("X-ATT-DeviceId", "GT-P7320/P7320XXLPG");
request.Headers.Add("X-Wap-Profile", "http://wap.samsungmobile.com/uaprof/SGH-I777.xml");
request.Headers.Add("Proxy-Connection", "keep-alive");
request.Headers.Add("X-UIDH", "...");
request.Headers.Add("X-Csrf-Token", "i8XNjC4b8KVok4uw5RftR38Wgp2BFwql");
request.Headers.Add("X-Request-ID", "f058ebd6-02f7-4d3f-942e-904344e8cde5");
request.Headers.Add("X-Request-ID", "f058ebd6-02f7-4d3f-942e-904344e8cde5");
request.Headers.Add("X-Empty", "");
request.Headers.Add("X-Null", (string)null);
request.Headers.Add("X-Underscore_Name", "X-Underscore_Name");
request.Headers.Add("X-End", "End");
(await client.SendAsync(TestAsync, request, HttpCompletionOption.ResponseHeadersRead)).Dispose();
}
}, async server =>
{
{
HttpRequestData requestData = await server.HandleRequestAsync(HttpStatusCode.OK);
var headersSet = requestData.Headers;
Assert.Equal(content, Encoding.ASCII.GetString(requestData.Body));
Assert.Equal("utf-8", requestData.GetSingleHeaderValue("Accept-Charset"));
Assert.Equal("gzip, deflate", requestData.GetSingleHeaderValue("Accept-Encoding"));
Assert.Equal("en-US", requestData.GetSingleHeaderValue("Accept-Language"));
Assert.Equal("Thu, 31 May 2007 20:35:00 GMT", requestData.GetSingleHeaderValue("Accept-Datetime"));
Assert.Equal("GET", requestData.GetSingleHeaderValue("Access-Control-Request-Method"));
Assert.Equal("GET", requestData.GetSingleHeaderValue("Access-Control-Request-Headers"));
Assert.Equal("12", requestData.GetSingleHeaderValue("Age"));
Assert.Equal("Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==", requestData.GetSingleHeaderValue("Authorization"));
Assert.Equal("no-cache", requestData.GetSingleHeaderValue("Cache-Control"));
Assert.Equal("$Version=1; Skin=new", requestData.GetSingleHeaderValue("Cookie"));
Assert.Equal("Tue, 15 Nov 1994 08:12:31 GMT", requestData.GetSingleHeaderValue("Date"));
Assert.Equal("100-continue", requestData.GetSingleHeaderValue("Expect"));
Assert.Equal("for=192.0.2.60;proto=http;by=203.0.113.43", requestData.GetSingleHeaderValue("Forwarded"));
Assert.Equal("User Name <user@example.com>", requestData.GetSingleHeaderValue("From"));
Assert.Equal("\"37060cd8c284d8af7ad3082f209582d\"", requestData.GetSingleHeaderValue("If-Match"));
Assert.Equal("Sat, 29 Oct 1994 19:43:31 GMT", requestData.GetSingleHeaderValue("If-Modified-Since"));
Assert.Equal("\"737060cd8c284d8af7ad3082f209582d\"", requestData.GetSingleHeaderValue("If-None-Match"));
Assert.Equal("Wed, 21 Oct 2015 07:28:00 GMT", requestData.GetSingleHeaderValue("If-Range"));
Assert.Equal("Sat, 29 Oct 1994 19:43:31 GMT", requestData.GetSingleHeaderValue("If-Unmodified-Since"));
Assert.Equal("10", requestData.GetSingleHeaderValue("Max-Forwards"));
Assert.Equal("http://www.example-social-network.com", requestData.GetSingleHeaderValue("Origin"));
Assert.Equal("no-cache", requestData.GetSingleHeaderValue("Pragma"));
Assert.Equal("Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==", requestData.GetSingleHeaderValue("Proxy-Authorization"));
Assert.Equal("bytes=500-999", requestData.GetSingleHeaderValue("Range"));
Assert.Equal("http://en.wikipedia.org/wiki/Main_Page", requestData.GetSingleHeaderValue("Referer"));
Assert.Equal("MyTrailer", requestData.GetSingleHeaderValue("Trailer"));
Assert.Equal("Mozilla/5.0", requestData.GetSingleHeaderValue("User-Agent"));
Assert.Equal("1.0 fred, 1.1 example.com (Apache/1.1)", requestData.GetSingleHeaderValue("Via"));
Assert.Equal("199 - \"Miscellaneous warning\"", requestData.GetSingleHeaderValue("Warning"));
Assert.Equal("XMLHttpRequest", requestData.GetSingleHeaderValue("X-Requested-With"));
Assert.Equal("1 (Do Not Track Enabled)", requestData.GetSingleHeaderValue("DNT"));
Assert.Equal("client1, proxy1, proxy2", requestData.GetSingleHeaderValue("X-Forwarded-For"));
Assert.Equal("en.wikipedia.org:8080", requestData.GetSingleHeaderValue("X-Forwarded-Host"));
Assert.Equal("https", requestData.GetSingleHeaderValue("X-Forwarded-Proto"));
Assert.Equal("https", requestData.GetSingleHeaderValue("Front-End-Https"));
Assert.Equal("DELETE", requestData.GetSingleHeaderValue("X-Http-Method-Override"));
Assert.Equal("GT-P7320/P7320XXLPG", requestData.GetSingleHeaderValue("X-ATT-DeviceId"));
Assert.Equal("http://wap.samsungmobile.com/uaprof/SGH-I777.xml", requestData.GetSingleHeaderValue("X-Wap-Profile"));
Assert.Equal("...", requestData.GetSingleHeaderValue("X-UIDH"));
Assert.Equal("i8XNjC4b8KVok4uw5RftR38Wgp2BFwql", requestData.GetSingleHeaderValue("X-Csrf-Token"));
Assert.Equal("f058ebd6-02f7-4d3f-942e-904344e8cde5, f058ebd6-02f7-4d3f-942e-904344e8cde5", requestData.GetSingleHeaderValue("X-Request-ID"));
Assert.Equal("", requestData.GetSingleHeaderValue("X-Null"));
Assert.Equal("", requestData.GetSingleHeaderValue("X-Empty"));
Assert.Equal("X-Underscore_Name", requestData.GetSingleHeaderValue("X-Underscore_Name"));
Assert.Equal("End", requestData.GetSingleHeaderValue("X-End"));
if (LoopbackServerFactory.Version >= HttpVersion20.Value)
{
// HTTP/2 and later forbids certain headers or values.
Assert.Equal("trailers", requestData.GetSingleHeaderValue("TE"));
Assert.Equal(0, requestData.GetHeaderValueCount("Upgrade"));
Assert.Equal(0, requestData.GetHeaderValueCount("Proxy-Connection"));
Assert.Equal(0, requestData.GetHeaderValueCount("Host"));
Assert.Equal(0, requestData.GetHeaderValueCount("Connection"));
Assert.Equal(0, requestData.GetHeaderValueCount("Transfer-Encoding"));
}
else
{
// Verify HTTP/1.x headers
Assert.Equal("close", requestData.GetSingleHeaderValue("Connection"), StringComparer.OrdinalIgnoreCase); // NetFxHandler uses "Close" vs "close"
Assert.Equal("en.wikipedia.org:8080", requestData.GetSingleHeaderValue("Host"));
Assert.Equal("trailers, deflate", requestData.GetSingleHeaderValue("TE"));
Assert.Equal("HTTPS/1.3, IRC/6.9, RTA/x11, websocket", requestData.GetSingleHeaderValue("Upgrade"));
Assert.Equal("keep-alive", requestData.GetSingleHeaderValue("Proxy-Connection"));
}
}
});
}
public static IEnumerable<object[]> GetAsync_ManyDifferentResponseHeaders_ParsedCorrectly_MemberData() =>
from newline in new[] { "\n", "\r\n" }
from fold in new[] { "", newline + " ", newline + "\t", newline + " " }
from dribble in new[] { false, true }
select new object[] { newline, fold, dribble };
[Theory]
[MemberData(nameof(GetAsync_ManyDifferentResponseHeaders_ParsedCorrectly_MemberData))]
public async Task GetAsync_ManyDifferentResponseHeaders_ParsedCorrectly(string newline, string fold, bool dribble)
{
if (LoopbackServerFactory.Version >= HttpVersion20.Value)
{
// Folding is not supported on HTTP/2 and later.
return;
}
// Using examples from https://en.wikipedia.org/wiki/List_of_HTTP_header_fields#Response_fields
// Exercises all exposed response.Headers and response.Content.Headers strongly-typed properties
await LoopbackServer.CreateClientAndServerAsync(async uri =>
{
using (HttpClient client = CreateHttpClient())
using (HttpResponseMessage resp = await client.GetAsync(uri))
{
Assert.Equal("1.1", resp.Version.ToString());
Assert.Equal(HttpStatusCode.OK, resp.StatusCode);
Assert.Contains("*", resp.Headers.GetValues("Access-Control-Allow-Origin"));
Assert.Contains("text/example;charset=utf-8", resp.Headers.GetValues("Accept-Patch"));
Assert.Contains("bytes", resp.Headers.AcceptRanges);
Assert.Equal(TimeSpan.FromSeconds(12), resp.Headers.Age.GetValueOrDefault());
Assert.Contains("Bearer 63123a47139a49829bcd8d03005ca9d7", resp.Headers.GetValues("Authorization"));
Assert.Contains("GET", resp.Content.Headers.Allow);
Assert.Contains("HEAD", resp.Content.Headers.Allow);
Assert.Contains("http/1.1=\"http2.example.com:8001\"; ma=7200", resp.Headers.GetValues("Alt-Svc"));
Assert.Equal(TimeSpan.FromSeconds(3600), resp.Headers.CacheControl.MaxAge.GetValueOrDefault());
Assert.Contains("close", resp.Headers.Connection);
Assert.True(resp.Headers.ConnectionClose.GetValueOrDefault());
Assert.Equal("attachment", resp.Content.Headers.ContentDisposition.DispositionType);
Assert.Equal("\"fname.ext\"", resp.Content.Headers.ContentDisposition.FileName);
Assert.Contains("gzip", resp.Content.Headers.ContentEncoding);
Assert.Contains("da", resp.Content.Headers.ContentLanguage);
Assert.Equal(new Uri("/index.htm", UriKind.Relative), resp.Content.Headers.ContentLocation);
Assert.Equal(Convert.FromBase64String("Q2hlY2sgSW50ZWdyaXR5IQ=="), resp.Content.Headers.ContentMD5);
Assert.Equal("bytes", resp.Content.Headers.ContentRange.Unit);
Assert.Equal(21010, resp.Content.Headers.ContentRange.From.GetValueOrDefault());
Assert.Equal(47021, resp.Content.Headers.ContentRange.To.GetValueOrDefault());
Assert.Equal(47022, resp.Content.Headers.ContentRange.Length.GetValueOrDefault());
Assert.Equal("text/html", resp.Content.Headers.ContentType.MediaType);
Assert.Equal("utf-8", resp.Content.Headers.ContentType.CharSet);
Assert.Equal(DateTimeOffset.Parse("Tue, 15 Nov 1994 08:12:31 GMT"), resp.Headers.Date.GetValueOrDefault());
Assert.Equal("\"737060cd8c284d8af7ad3082f209582d\"", resp.Headers.ETag.Tag);
Assert.Equal(DateTimeOffset.Parse("Thu, 01 Dec 1994 16:00:00 GMT"), resp.Content.Headers.Expires.GetValueOrDefault());
Assert.Equal(DateTimeOffset.Parse("Tue, 15 Nov 1994 12:45:26 GMT"), resp.Content.Headers.LastModified.GetValueOrDefault());
Assert.Contains("</feed>; rel=\"alternate\"", resp.Headers.GetValues("Link"));
Assert.Equal(new Uri("http://www.w3.org/pub/WWW/People.html"), resp.Headers.Location);
Assert.Contains("CP=\"This is not a P3P policy!\"", resp.Headers.GetValues("P3P"));
Assert.Contains(new NameValueHeaderValue("no-cache"), resp.Headers.Pragma);
Assert.Contains(new AuthenticationHeaderValue("basic"), resp.Headers.ProxyAuthenticate);
Assert.Contains("max-age=2592000; pin-sha256=\"E9CZ9INDbd+2eRQozYqqbQ2yXLVKB9+xcprMF+44U1g=\"", resp.Headers.GetValues("Public-Key-Pins"));
Assert.Equal(TimeSpan.FromSeconds(120), resp.Headers.RetryAfter.Delta.GetValueOrDefault());
Assert.Contains(new ProductInfoHeaderValue("Apache", "2.4.1"), resp.Headers.Server);
Assert.Contains("UserID=JohnDoe; Max-Age=3600; Version=1", resp.Headers.GetValues("Set-Cookie"));
Assert.Contains("max-age=16070400; includeSubDomains", resp.Headers.GetValues("Strict-Transport-Security"));
Assert.Contains("Max-Forwards", resp.Headers.Trailer);
Assert.Contains("?", resp.Headers.GetValues("Tk"));
Assert.Contains(new ProductHeaderValue("HTTPS", "1.3"), resp.Headers.Upgrade);
Assert.Contains(new ProductHeaderValue("IRC", "6.9"), resp.Headers.Upgrade);
Assert.Contains(new ProductHeaderValue("websocket"), resp.Headers.Upgrade);
Assert.Contains("Accept-Language", resp.Headers.Vary);
Assert.Contains(new ViaHeaderValue("1.0", "fred"), resp.Headers.Via);
Assert.Contains(new ViaHeaderValue("1.1", "example.com", null, "(Apache/1.1)"), resp.Headers.Via);
Assert.Contains(new WarningHeaderValue(199, "-", "\"Miscellaneous warning\"", DateTimeOffset.Parse("Wed, 21 Oct 2015 07:28:00 GMT")), resp.Headers.Warning);
Assert.Contains(new AuthenticationHeaderValue("Basic"), resp.Headers.WwwAuthenticate);
Assert.Contains("deny", resp.Headers.GetValues("X-Frame-Options"), StringComparer.OrdinalIgnoreCase);
Assert.Contains("default-src 'self'", resp.Headers.GetValues("X-WebKit-CSP"));
Assert.Contains("5; url=http://www.w3.org/pub/WWW/People.html", resp.Headers.GetValues("Refresh"));
Assert.Contains("200 OK", resp.Headers.GetValues("Status"));
Assert.Contains("<origin>[, <origin>]*", resp.Headers.GetValues("Timing-Allow-Origin"));
Assert.Contains("42.666", resp.Headers.GetValues("X-Content-Duration"));
Assert.Contains("nosniff", resp.Headers.GetValues("X-Content-Type-Options"));
Assert.Contains("PHP/5.4.0", resp.Headers.GetValues("X-Powered-By"));
Assert.Contains("f058ebd6-02f7-4d3f-942e-904344e8cde5", resp.Headers.GetValues("X-Request-ID"));
Assert.Contains("IE=EmulateIE7", resp.Headers.GetValues("X-UA-Compatible"));
Assert.Contains("1; mode=block", resp.Headers.GetValues("X-XSS-Protection"));
}
}, server => server.AcceptConnectionSendCustomResponseAndCloseAsync(
$"HTTP/1.1 200 OK{newline}" +
$"Access-Control-Allow-Origin:{fold} *{newline}" +
$"Accept-Patch:{fold} text/example;charset=utf-8{newline}" +
$"Accept-Ranges:{fold} bytes{newline}" +
$"Age: {fold}12{newline}" +
// [SuppressMessage("Microsoft.Security", "CS002:SecretInNextLine", Justification="Unit test dummy authorization.")]
$"Authorization: Bearer 63123a47139a49829bcd8d03005ca9d7{newline}" +
$"Allow: {fold}GET, HEAD{newline}" +
$"Alt-Svc:{fold} http/1.1=\"http2.example.com:8001\"; ma=7200{newline}" +
$"Cache-Control: {fold}max-age=3600{newline}" +
$"Connection:{fold} close{newline}" +
$"Content-Disposition: {fold}attachment;{fold} filename=\"fname.ext\"{newline}" +
$"Content-Encoding: {fold}gzip{newline}" +
$"Content-Language:{fold} da{newline}" +
$"Content-Location: {fold}/index.htm{newline}" +
$"Content-MD5:{fold} Q2hlY2sgSW50ZWdyaXR5IQ=={newline}" +
$"Content-Range: {fold}bytes {fold}21010-47021/47022{newline}" +
$"Content-Type: text/html;{fold} charset=utf-8{newline}" +
$"Date: Tue, 15 Nov 1994{fold} 08:12:31 GMT{newline}" +
$"ETag: {fold}\"737060cd8c284d8af7ad3082f209582d\"{newline}" +
$"Expires: Thu,{fold} 01 Dec 1994 16:00:00 GMT{newline}" +
$"Last-Modified:{fold} Tue, 15 Nov 1994 12:45:26 GMT{newline}" +
$"Link:{fold} </feed>; rel=\"alternate\"{newline}" +
$"Location:{fold} http://www.w3.org/pub/WWW/People.html{newline}" +
$"P3P: {fold}CP=\"This is not a P3P policy!\"{newline}" +
$"Pragma: {fold}no-cache{newline}" +
$"Proxy-Authenticate:{fold} Basic{newline}" +
$"Public-Key-Pins:{fold} max-age=2592000; pin-sha256=\"E9CZ9INDbd+2eRQozYqqbQ2yXLVKB9+xcprMF+44U1g=\"{newline}" +
$"Retry-After: {fold}120{newline}" +
$"Server: {fold}Apache/2.4.1{fold} (Unix){newline}" +
$"Set-Cookie: {fold}UserID=JohnDoe; Max-Age=3600; Version=1{newline}" +
$"Strict-Transport-Security: {fold}max-age=16070400; includeSubDomains{newline}" +
$"Trailer: {fold}Max-Forwards{newline}" +
$"Tk: {fold}?{newline}" +
$"Upgrade: HTTPS/1.3,{fold} IRC/6.9,{fold} RTA/x11, {fold}websocket{newline}" +
$"Vary:{fold} Accept-Language{newline}" +
$"Via:{fold} 1.0 fred, 1.1 example.com{fold} (Apache/1.1){newline}" +
$"Warning:{fold} 199 - \"Miscellaneous warning\" \"Wed, 21 Oct 2015 07:28:00 GMT\"{newline}" +
$"WWW-Authenticate: {fold}Basic{newline}" +
$"X-Frame-Options: {fold}deny{newline}" +
$"X-WebKit-CSP: default-src 'self'{newline}" +
$"Refresh: {fold}5; url=http://www.w3.org/pub/WWW/People.html{newline}" +
$"Server-Timing: serveroperat{fold}ion;dur=1.23{newline}" +
$"Status: {fold}200 OK{newline}" +
$"Timing-Allow-Origin: {fold}<origin>[, <origin>]*{newline}" +
$"Upgrade-Insecure-Requests:{fold} 1{newline}" +
$"X-Content-Duration:{fold} 42.666{newline}" +
$"X-Content-Type-Options: {fold}nosniff{newline}" +
$"X-Powered-By: {fold}PHP/5.4.0{newline}" +
$"X-Request-ID:{fold} f058ebd6-02f7-4d3f-942e-904344e8cde5{newline}" +
$"X-UA-Compatible: {fold}IE=EmulateIE7{newline}" +
$"X-XSS-Protection:{fold} 1; mode=block{newline}" +
$"{newline}"),
dribble ? new LoopbackServer.Options { StreamWrapper = s => new DribbleStream(s) } : null);
}
[Fact]
public async Task GetAsync_NonTraditionalChunkSizes_Accepted()
{
if (LoopbackServerFactory.Version >= HttpVersion20.Value)
{
// Chunking is not supported on HTTP/2 and later.
return;
}
await LoopbackServer.CreateServerAsync(async (server, url) =>
{
using (HttpClient client = CreateHttpClient())
{
Task<HttpResponseMessage> getResponseTask = client.GetAsync(url);
await TestHelper.WhenAllCompletedOrAnyFailed(
getResponseTask,
server.AcceptConnectionSendCustomResponseAndCloseAsync(
"HTTP/1.1 200 OK\r\n" +
"Connection: close\r\n" +
"Transfer-Encoding: chunked\r\n" +
"\r\n" +
"4 \r\n" + // whitespace after size
"data\r\n" +
"5;somekey=somevalue\r\n" + // chunk extension
"hello\r\n" +
"7\t ;chunkextension\r\n" + // tabs/spaces then chunk extension
"netcore\r\n" +
"0\r\n" +
"\r\n"));
using (HttpResponseMessage response = await getResponseTask)
{
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
string data = await response.Content.ReadAsStringAsync();
Assert.Contains("data", data);
Assert.Contains("hello", data);
Assert.Contains("netcore", data);
Assert.DoesNotContain("somekey", data);
Assert.DoesNotContain("somevalue", data);
Assert.DoesNotContain("chunkextension", data);
}
}
});
}
[Theory]
[InlineData("")] // missing size
[InlineData(" ")] // missing size
[InlineData("10000000000000000")] // overflowing size
[InlineData("xyz")] // non-hex
[InlineData("7gibberish")] // valid size then gibberish
[InlineData("7\v\f")] // unacceptable whitespace
public async Task GetAsync_InvalidChunkSize_ThrowsHttpRequestException(string chunkSize)
{
if (UseVersion != HttpVersion.Version11)
{
return;
}
await LoopbackServer.CreateServerAsync(async (server, url) =>
{
using (HttpClient client = CreateHttpClient())
{
string partialResponse = "HTTP/1.1 200 OK\r\n" +
"Transfer-Encoding: chunked\r\n" +
"\r\n" +
$"{chunkSize}\r\n";
var tcs = new TaskCompletionSource<bool>();
Task serverTask = server.AcceptConnectionAsync(async connection =>
{
await connection.ReadRequestHeaderAndSendCustomResponseAsync(partialResponse);
await tcs.Task;
});
await Assert.ThrowsAsync<HttpRequestException>(() => client.GetAsync(url));
tcs.SetResult(true);
await serverTask;
}
});
}
[Fact]
public async Task GetAsync_InvalidChunkTerminator_ThrowsHttpRequestException()
{
if (UseVersion != HttpVersion.Version11)
{
return;
}
await LoopbackServer.CreateClientAndServerAsync(async url =>
{
using (HttpClient client = CreateHttpClient())
{
await Assert.ThrowsAsync<HttpRequestException>(() => client.GetAsync(url));
}
}, server => server.AcceptConnectionSendCustomResponseAndCloseAsync(
"HTTP/1.1 200 OK\r\n" +
"Connection: close\r\n" +
"Transfer-Encoding: chunked\r\n" +
"\r\n" +
"5\r\n" +
"hello" + // missing \r\n terminator
//"5\r\n" +
//"world" + // missing \r\n terminator
"0\r\n" +
"\r\n"));
}
[Fact]
public async Task GetAsync_InfiniteChunkSize_ThrowsHttpRequestException()
{
if (UseVersion != HttpVersion.Version11)
{
return;
}
await LoopbackServer.CreateServerAsync(async (server, url) =>
{
using (HttpClient client = CreateHttpClient())
{
client.Timeout = Timeout.InfiniteTimeSpan;
var cts = new CancellationTokenSource();
var tcs = new TaskCompletionSource<bool>();
Task serverTask = server.AcceptConnectionAsync(async connection =>
{
await connection.ReadRequestHeaderAndSendCustomResponseAsync("HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n");
try
{
while (!cts.IsCancellationRequested) // infinite to make sure implementation doesn't OOM
{
await connection.WriteStringAsync(new string(' ', 10000));
await Task.Delay(1);
}
}
catch { }
});
await Assert.ThrowsAsync<HttpRequestException>(() => client.GetAsync(url));
cts.Cancel();
await serverTask;
}
});
}
[Fact]
public async Task SendAsync_TransferEncodingSetButNoRequestContent_Throws()
{
var req = new HttpRequestMessage(HttpMethod.Post, "http://bing.com") { Version = UseVersion };
req.Headers.TransferEncodingChunked = true;
using (HttpClient c = CreateHttpClient())
{
HttpRequestException error = await Assert.ThrowsAsync<HttpRequestException>(() => c.SendAsync(TestAsync, req));
Assert.IsType<InvalidOperationException>(error.InnerException);
}
}