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//-----------------------------------------------------------------------
// <copyright file="UriDiscoveryServiceTests.cs" company="Outercurve Foundation">
// Copyright (c) Outercurve Foundation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.Test.OpenId.DiscoveryServices {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Web;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OpenId;
using DotNetOpenAuth.OpenId.Extensions.SimpleRegistration;
using DotNetOpenAuth.OpenId.RelyingParty;
using DotNetOpenAuth.Test.Mocks;
using NUnit.Framework;
[TestFixture]
public class UriDiscoveryServiceTests : OpenIdTestBase {
[Test]
public async Task DiscoveryWithRedirects() {
Identifier claimedId = this.GetMockIdentifier(ProtocolVersion.V20, false);
// Add a couple of chained redirect pages that lead to the claimedId.
Uri userSuppliedUri = new Uri("https://localhost/someSecurePage");
Uri insecureMidpointUri = new Uri("http://localhost/insecureStop");
this.RegisterMockRedirect(userSuppliedUri, insecureMidpointUri);
this.RegisterMockRedirect(insecureMidpointUri, new Uri(claimedId.ToString()));
// don't require secure SSL discovery for this test.
Identifier userSuppliedIdentifier = new UriIdentifier(userSuppliedUri, false);
var discoveryResult = await this.DiscoverAsync(userSuppliedIdentifier);
Assert.AreEqual(1, discoveryResult.Count());
}
[Test]
public async Task DiscoverRequireSslWithSecureRedirects() {
Identifier claimedId = this.GetMockIdentifier(ProtocolVersion.V20, true);
// Add a couple of chained redirect pages that lead to the claimedId.
// All redirects should be secure.
Uri userSuppliedUri = new Uri("https://localhost/someSecurePage");
Uri secureMidpointUri = new Uri("https://localhost/secureStop");
this.RegisterMockRedirect(userSuppliedUri, secureMidpointUri);
this.RegisterMockRedirect(secureMidpointUri, new Uri(claimedId.ToString()));
Identifier userSuppliedIdentifier = new UriIdentifier(userSuppliedUri, true);
var discoveryResult = await this.DiscoverAsync(userSuppliedIdentifier);
Assert.AreEqual(1, discoveryResult.Count());
}
[Test, ExpectedException(typeof(ProtocolException))]
public async Task DiscoverRequireSslWithInsecureRedirect() {
Identifier claimedId = this.GetMockIdentifier(ProtocolVersion.V20, true);
// Add a couple of chained redirect pages that lead to the claimedId.
// Include an insecure HTTP jump in those redirects to verify that
// the ultimate endpoint is never found as a result of high security profile.
Uri userSuppliedUri = new Uri("https://localhost/someSecurePage");
Uri insecureMidpointUri = new Uri("http://localhost/insecureStop");
this.RegisterMockRedirect(userSuppliedUri, insecureMidpointUri);
this.RegisterMockRedirect(insecureMidpointUri, new Uri(claimedId.ToString()));
Identifier userSuppliedIdentifier = new UriIdentifier(userSuppliedUri, true);
await this.DiscoverAsync(userSuppliedIdentifier);
}
[Test]
public async Task DiscoveryRequireSslWithInsecureXrdsInSecureHtmlHead() {
var insecureXrdsSource = this.GetMockIdentifier(ProtocolVersion.V20, false);
Uri secureClaimedUri = new Uri("https://localhost/secureId");
string html = string.Format("<html><head><meta http-equiv='X-XRDS-Location' content='{0}'/></head><body></body></html>", insecureXrdsSource);
this.RegisterMockResponse(secureClaimedUri, "text/html", html);
Identifier userSuppliedIdentifier = new UriIdentifier(secureClaimedUri, true);
var discoveryResult = await this.DiscoverAsync(userSuppliedIdentifier);
Assert.AreEqual(0, discoveryResult.Count());
}
[Test]
public async Task DiscoveryRequireSslWithInsecureXrdsInSecureHttpHeader() {
var insecureXrdsSource = this.GetMockIdentifier(ProtocolVersion.V20, false);
string html = "<html><head></head><body></body></html>";
WebHeaderCollection headers = new WebHeaderCollection {
{ "X-XRDS-Location", insecureXrdsSource }
};
this.RegisterMockResponse(VanityUriSsl, VanityUriSsl, "text/html", headers, html);
Identifier userSuppliedIdentifier = new UriIdentifier(VanityUriSsl, true);
var discoveryResult = await this.DiscoverAsync(userSuppliedIdentifier);
Assert.AreEqual(0, discoveryResult.Count());
}
[Test]
public async Task DiscoveryRequireSslWithInsecureXrdsButSecureLinkTags() {
var insecureXrdsSource = this.GetMockIdentifier(ProtocolVersion.V20, false);
string html = string.Format(
@"
<html><head>
<meta http-equiv='X-XRDS-Location' content='{0}'/> <!-- this one will be insecure and ignored -->
<link rel='openid2.provider' href='{1}' />
<link rel='openid2.local_id' href='{2}' />
</head><body></body></html>",
HttpUtility.HtmlEncode(insecureXrdsSource),
HttpUtility.HtmlEncode(OPUriSsl.AbsoluteUri),
HttpUtility.HtmlEncode(OPLocalIdentifiersSsl[1].AbsoluteUri));
this.Handle(VanityUriSsl).By(html, "text/html");
Identifier userSuppliedIdentifier = new UriIdentifier(VanityUriSsl, true);
// We verify that the XRDS was ignored and the LINK tags were used
// because the XRDS OP-LocalIdentifier uses different local identifiers.
var discoveryResult = await this.DiscoverAsync(userSuppliedIdentifier);
Assert.AreEqual(OPLocalIdentifiersSsl[1].AbsoluteUri, discoveryResult.Single().ProviderLocalIdentifier.ToString());
}
[Test]
public async Task DiscoveryRequiresSslIgnoresInsecureEndpointsInXrds() {
var insecureEndpoint = GetServiceEndpoint(0, ProtocolVersion.V20, 10, false);
var secureEndpoint = GetServiceEndpoint(1, ProtocolVersion.V20, 20, true);
UriIdentifier secureClaimedId = new UriIdentifier(VanityUriSsl, true);
this.RegisterMockXrdsResponse(secureClaimedId, new[] { insecureEndpoint, secureEndpoint });
var discoverResult = await this.DiscoverAsync(secureClaimedId);
Assert.AreEqual(secureEndpoint.ProviderLocalIdentifier, discoverResult.Single().ProviderLocalIdentifier);
}
[Test]
public async Task XrdsDirectDiscovery_10() {
await this.FailDiscoverXrdsAsync("xrds-irrelevant");
await this.DiscoverXrdsAsync("xrds10", ProtocolVersion.V10, null, "http://a/b");
await this.DiscoverXrdsAsync("xrds11", ProtocolVersion.V11, null, "http://a/b");
await this.DiscoverXrdsAsync("xrds1020", ProtocolVersion.V10, null, "http://a/b");
}
[Test]
public async Task XrdsDirectDiscovery_20() {
await this.DiscoverXrdsAsync("xrds20", ProtocolVersion.V20, null, "http://a/b");
await this.DiscoverXrdsAsync("xrds2010a", ProtocolVersion.V20, null, "http://a/b");
await this.DiscoverXrdsAsync("xrds2010b", ProtocolVersion.V20, null, "http://a/b");
}
[Test]
public async Task HtmlDiscover_11() {
await this.DiscoverHtmlAsync("html10prov", ProtocolVersion.V11, null, "http://a/b");
await this.DiscoverHtmlAsync("html10both", ProtocolVersion.V11, "http://c/d", "http://a/b");
await this.FailDiscoverHtmlAsync("html10del");
// Verify that HTML discovery generates the 1.x endpoints when appropriate
await this.DiscoverHtmlAsync("html2010", ProtocolVersion.V11, "http://g/h", "http://e/f");
await this.DiscoverHtmlAsync("html1020", ProtocolVersion.V11, "http://g/h", "http://e/f");
await this.DiscoverHtmlAsync("html2010combinedA", ProtocolVersion.V11, "http://c/d", "http://a/b");
await this.DiscoverHtmlAsync("html2010combinedB", ProtocolVersion.V11, "http://c/d", "http://a/b");
await this.DiscoverHtmlAsync("html2010combinedC", ProtocolVersion.V11, "http://c/d", "http://a/b");
}
[Test]
public async Task HtmlDiscover_20() {
await this.DiscoverHtmlAsync("html20prov", ProtocolVersion.V20, null, "http://a/b");
await this.DiscoverHtmlAsync("html20both", ProtocolVersion.V20, "http://c/d", "http://a/b");
await this.FailDiscoverHtmlAsync("html20del");
await this.DiscoverHtmlAsync("html2010", ProtocolVersion.V20, "http://c/d", "http://a/b");
await this.DiscoverHtmlAsync("html1020", ProtocolVersion.V20, "http://c/d", "http://a/b");
await this.DiscoverHtmlAsync("html2010combinedA", ProtocolVersion.V20, "http://c/d", "http://a/b");
await this.DiscoverHtmlAsync("html2010combinedB", ProtocolVersion.V20, "http://c/d", "http://a/b");
await this.DiscoverHtmlAsync("html2010combinedC", ProtocolVersion.V20, "http://c/d", "http://a/b");
await this.FailDiscoverHtmlAsync("html20relative");
}
[Test]
public async Task XrdsDiscoveryFromHead() {
this.RegisterMockResponse(
new Uri("http://localhost/xrds1020.xml"),
"application/xrds+xml",
LoadEmbeddedFile("/Discovery/xrdsdiscovery/xrds1020.xml"));
await this.DiscoverXrdsAsync("XrdsReferencedInHead.html", ProtocolVersion.V10, null, "http://a/b");
}
[Test]
public async Task XrdsDiscoveryFromHttpHeader() {
WebHeaderCollection headers = new WebHeaderCollection();
headers.Add("X-XRDS-Location", new Uri("http://localhost/xrds1020.xml").AbsoluteUri);
this.RegisterMockResponse(new Uri("http://localhost/xrds1020.xml"), "application/xrds+xml", LoadEmbeddedFile("/Discovery/xrdsdiscovery/xrds1020.xml"));
await this.DiscoverXrdsAsync("XrdsReferencedInHttpHeader.html", ProtocolVersion.V10, null, "http://a/b", headers);
}
/// <summary>
/// Verifies HTML discovery proceeds if an XRDS document is referenced that doesn't contain OpenID endpoints.
/// </summary>
[Test]
public async Task HtmlDiscoveryProceedsIfXrdsIsEmpty() {
this.RegisterMockResponse(new Uri("http://localhost/xrds-irrelevant.xml"), "application/xrds+xml", LoadEmbeddedFile("/Discovery/xrdsdiscovery/xrds-irrelevant.xml"));
await this.DiscoverHtmlAsync("html20provWithEmptyXrds", ProtocolVersion.V20, null, "http://a/b");
}
/// <summary>
/// Verifies HTML discovery proceeds if the XRDS that is referenced cannot be found.
/// </summary>
[Test]
public async Task HtmlDiscoveryProceedsIfXrdsIsBadOrMissing() {
await this.DiscoverHtmlAsync("html20provWithBadXrds", ProtocolVersion.V20, null, "http://a/b");
}
/// <summary>
/// Verifies that a dual identifier yields only one service endpoint by default.
/// </summary>
[Test]
public async Task DualIdentifierOffByDefault() {
this.RegisterMockResponse(VanityUri, "application/xrds+xml", LoadEmbeddedFile("/Discovery/xrdsdiscovery/xrds20dual.xml"));
var results = (await this.DiscoverAsync(VanityUri)).ToList();
Assert.AreEqual(1, results.Count(r => r.ClaimedIdentifier == r.Protocol.ClaimedIdentifierForOPIdentifier), "OP Identifier missing from discovery results.");
Assert.AreEqual(1, results.Count, "Unexpected additional services discovered.");
}
/// <summary>
/// Verifies that a dual identifier yields two service endpoints when that feature is turned on.
/// </summary>
[Test]
public async Task DualIdentifier() {
this.RegisterMockResponse(VanityUri, "application/xrds+xml", LoadEmbeddedFile("/Discovery/xrdsdiscovery/xrds20dual.xml"));
var rp = this.CreateRelyingParty(true);
rp.SecuritySettings.AllowDualPurposeIdentifiers = true;
var results = (await rp.DiscoverAsync(VanityUri, CancellationToken.None)).ToList();
Assert.AreEqual(1, results.Count(r => r.ClaimedIdentifier == r.Protocol.ClaimedIdentifierForOPIdentifier), "OP Identifier missing from discovery results.");
Assert.AreEqual(1, results.Count(r => r.ClaimedIdentifier == VanityUri), "Claimed identifier missing from discovery results.");
Assert.AreEqual(2, results.Count, "Unexpected additional services discovered.");
}
private async Task DiscoverAsync(string url, ProtocolVersion version, Identifier expectedLocalId, string providerEndpoint, bool expectSreg, bool useRedirect) {
await this.DiscoverAsync(url, version, expectedLocalId, providerEndpoint, expectSreg, useRedirect, null);
}
private string RegisterDiscoveryRedirector(Uri baseUrl) {
var redirectorUrl = new Uri(baseUrl, "Discovery/htmldiscovery/redirect.aspx");
this.Handle(redirectorUrl).By(req => {
string redirectTarget = HttpUtility.ParseQueryString(req.RequestUri.Query)["target"];
var response = new HttpResponseMessage(HttpStatusCode.Redirect);
response.Headers.Location = new Uri(redirectTarget, UriKind.RelativeOrAbsolute);
response.RequestMessage = req;
return response;
});
return redirectorUrl.AbsoluteUri + "?target=";
}
private async Task DiscoverAsync(string url, ProtocolVersion version, Identifier expectedLocalId, string providerEndpoint, bool expectSreg, bool useRedirect, WebHeaderCollection headers) {
Protocol protocol = Protocol.Lookup(version);
Uri baseUrl = new Uri("http://localhost/");
string redirectBase = this.RegisterDiscoveryRedirector(baseUrl);
UriIdentifier claimedId = new Uri(baseUrl, url);
UriIdentifier userSuppliedIdentifier = new Uri(redirectBase + Uri.EscapeDataString(url));
if (expectedLocalId == null) {
expectedLocalId = claimedId;
}
Identifier idToDiscover = useRedirect ? userSuppliedIdentifier : claimedId;
string contentType;
if (url.EndsWith("html")) {
contentType = "text/html";
} else if (url.EndsWith("xml")) {
contentType = "application/xrds+xml";
} else {
throw new InvalidOperationException();
}
this.RegisterMockResponse(claimedId, claimedId, contentType, headers ?? new WebHeaderCollection(), LoadEmbeddedFile(url));
IdentifierDiscoveryResult expected = IdentifierDiscoveryResult.CreateForClaimedIdentifier(
claimedId,
expectedLocalId,
new ProviderEndpointDescription(new Uri(providerEndpoint), new string[] { protocol.ClaimedIdentifierServiceTypeURI }), // services aren't checked by Equals
null,
null);
var discoveryResult = await this.DiscoverAsync(idToDiscover);
IdentifierDiscoveryResult se = discoveryResult.FirstOrDefault(ep => ep.Equals(expected));
Assert.IsNotNull(se, url + " failed to be discovered.");
// Do extra checking of service type URIs, which aren't included in
// the ServiceEndpoint.Equals method.
Assert.AreEqual(expectSreg ? 2 : 1, se.Capabilities.Count);
Assert.IsTrue(se.Capabilities.Contains(protocol.ClaimedIdentifierServiceTypeURI));
Assert.AreEqual(expectSreg, se.IsExtensionSupported<ClaimsRequest>());
}
private async Task DiscoverXrdsAsync(string page, ProtocolVersion version, Identifier expectedLocalId, string providerEndpoint) {
await this.DiscoverXrdsAsync(page, version, expectedLocalId, providerEndpoint, null);
}
private async Task DiscoverXrdsAsync(string page, ProtocolVersion version, Identifier expectedLocalId, string providerEndpoint, WebHeaderCollection headers) {
if (!page.Contains(".")) {
page += ".xml";
}
await this.DiscoverAsync("/Discovery/xrdsdiscovery/" + page, version, expectedLocalId, providerEndpoint, true, false, headers);
await this.DiscoverAsync("/Discovery/xrdsdiscovery/" + page, version, expectedLocalId, providerEndpoint, true, true, headers);
}
private async Task DiscoverHtmlAsync(string page, ProtocolVersion version, Identifier expectedLocalId, string providerEndpoint, bool useRedirect) {
await this.DiscoverAsync("/Discovery/htmldiscovery/" + page, version, expectedLocalId, providerEndpoint, false, useRedirect);
}
private async Task DiscoverHtmlAsync(string scenario, ProtocolVersion version, Identifier expectedLocalId, string providerEndpoint) {
string page = scenario + ".html";
await this.DiscoverHtmlAsync(page, version, expectedLocalId, providerEndpoint, false);
await this.DiscoverHtmlAsync(page, version, expectedLocalId, providerEndpoint, true);
}
private async Task FailDiscoverAsync(string url) {
UriIdentifier userSuppliedId = new Uri(new Uri("http://localhost"), url);
this.RegisterMockResponse(new Uri(userSuppliedId), userSuppliedId, "text/html", LoadEmbeddedFile(url));
var discoveryResult = await this.DiscoverAsync(userSuppliedId);
Assert.AreEqual(0, discoveryResult.Count()); // ... but that no endpoint info is discoverable
}
private async Task FailDiscoverHtmlAsync(string scenario) {
await this.FailDiscoverAsync("/Discovery/htmldiscovery/" + scenario + ".html");
}
private async Task FailDiscoverXrdsAsync(string scenario) {
await this.FailDiscoverAsync("/Discovery/xrdsdiscovery/" + scenario + ".xml");
}
}
}
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