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TieredOauthTests.cs
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TieredOauthTests.cs
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#region (c) 2023 Joseph Shook. All rights reserved.
// /*
// Authors:
// Joseph Shook [email protected]
//
// See LICENSE in the project root for license information.
// */
#endregion
using System.Diagnostics;
using System.IdentityModel.Tokens.Jwt;
using System.Net;
using System.Security.Claims;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Text.Json;
using System.Web;
using Duende.IdentityServer;
using Duende.IdentityServer.Models;
using Duende.IdentityServer.Test;
using FluentAssertions;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.OpenIdConnect;
using Microsoft.AspNetCore.WebUtilities;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using Microsoft.IdentityModel.Tokens;
using NSubstitute;
using Udap.Client.Client;
using Udap.Client.Configuration;
using Udap.Common;
using Udap.Common.Certificates;
using Udap.Common.Models;
using Udap.Model;
using Udap.Model.Access;
using Udap.Model.Registration;
using Udap.Server.Configuration;
using Udap.Server.Models;
using Udap.Server.Security.Authentication.TieredOAuth;
using Udap.Util.Extensions;
using UdapServer.Tests.Common;
using Xunit.Abstractions;
namespace UdapServer.Tests.Conformance.Tiered;
[Collection("Udap.Auth.Server")]
public class TieredOauthTests
{
private static readonly JsonSerializerOptions IndentedJsonOptions = new JsonSerializerOptions { WriteIndented = true };
private readonly ITestOutputHelper _testOutputHelper;
private readonly UdapAuthServerPipeline _mockAuthorServerPipeline = new();
private readonly UdapIdentityServerPipeline _mockIdPPipeline = new();
private readonly UdapIdentityServerPipeline _mockIdPPipeline2 = new("https://idpserver2", "appsettings.Idp2.json");
private readonly X509Certificate2 _community1Anchor;
private readonly X509Certificate2 _community1IntermediateCert;
private readonly X509Certificate2 _community2Anchor;
private readonly X509Certificate2 _community2IntermediateCert;
public TieredOauthTests(ITestOutputHelper testOutputHelper)
{
_testOutputHelper = testOutputHelper;
_community1Anchor = new X509Certificate2("CertStore/anchors/caLocalhostCert.cer");
_community1IntermediateCert = new X509Certificate2("CertStore/intermediates/intermediateLocalhostCert.cer");
_community2Anchor = new X509Certificate2("CertStore/anchors/caLocalhostCert2.cer");
_community2IntermediateCert = new X509Certificate2("CertStore/intermediates/intermediateLocalhostCert2.cer");
}
private void BuildUdapAuthorizationServer(List<string>? tieredOAuthScopes = null)
{
_mockAuthorServerPipeline.OnPostConfigureServices += services =>
{
services.AddSingleton(new ServerSettings
{
ForceStateParamOnAuthorizationCode = true, //false (default)
RequirePkce = false,
RequireConsent = false
});
services.AddSingleton<IOptionsMonitor<UdapClientOptions>>(new OptionsMonitorForTests<UdapClientOptions>(
new UdapClientOptions
{
ClientName = "AuthServer Client",
Contacts = new HashSet<string> { "mailto:[email protected]", "mailto:[email protected]" },
TieredOAuthClientLogo = "https://server/UDAP_Ecosystem_Gears.png"
})
);
//
// Allow logo resolve back to udap.auth server
//
services.AddSingleton<HttpClient>(_ => _mockAuthorServerPipeline.BrowserClient);
if (tieredOAuthScopes != null)
{
services.ConfigureAll<TieredOAuthAuthenticationOptions>(options =>
{
options.Scope.Clear();
foreach (var tieredOAuthScope in tieredOAuthScopes)
{
options.Scope.Add(tieredOAuthScope);
}
});
}
};
_mockAuthorServerPipeline.OnPreConfigureServices += (builderContext, services) =>
{
// This registers Clients as List<Client> so downstream I can pick it up in InMemoryUdapClientRegistrationStore
// Duende's AddInMemoryClients extension registers as IEnumerable<Client> and is used in InMemoryClientStore as readonly.
// It was not intended to work with the concept of a dynamic client registration.
services.AddSingleton(_mockAuthorServerPipeline.Clients);
services.Configure<UdapFileCertStoreManifest>(builderContext.Configuration.GetSection(Constants.UDAP_FILE_STORE_MANIFEST));
services.AddAuthentication()
//
// By convention the scheme name should match the community name in UdapFileCertStoreManifest
// to allow discovery of the IdPBaseUrl
//
.AddTieredOAuthForTests(options =>
{
options.SignInScheme = IdentityServerConstants.ExternalCookieAuthenticationScheme;
},
_mockAuthorServerPipeline,
_mockIdPPipeline,
_mockIdPPipeline2);
services.AddAuthorization(); // required for TieredOAuth Testing
services.ConfigureAll<OpenIdConnectOptions>(options =>
{
options.BackchannelHttpHandler = _mockIdPPipeline2.Server?.CreateHandler();
});
using var serviceProvider = services.BuildServiceProvider();
};
_mockAuthorServerPipeline.Initialize(enableLogging: true);
_mockAuthorServerPipeline.BrowserClient.AllowAutoRedirect = false;
_mockAuthorServerPipeline.Communities.Add(new Community
{
Id = 0,
Name = "https://idpserver",
Enabled = true,
Default = true,
Anchors =
[
new Anchor(_community1Anchor, "https://idpserver")
{
BeginDate = _community1Anchor.NotBefore.ToUniversalTime(),
EndDate = _community1Anchor.NotAfter.ToUniversalTime(),
Name = _community1Anchor.Subject,
Enabled = true,
Intermediates = new List<Intermediate>()
{
new(_community1IntermediateCert)
{
BeginDate = _community1IntermediateCert.NotBefore.ToUniversalTime(),
EndDate = _community1IntermediateCert.NotAfter.ToUniversalTime(),
Name = _community1IntermediateCert.Subject,
Enabled = true
}
}
}
]
});
_mockAuthorServerPipeline.Communities.Add(new Community
{
Id = 1,
Name = "udap://idp-community-2",
Enabled = true,
Default = true,
Anchors =
[
new Anchor(_community2Anchor, "udap://idp-community-2")
{
BeginDate = _community2Anchor.NotBefore.ToUniversalTime(),
EndDate = _community2Anchor.NotAfter.ToUniversalTime(),
Name = _community2Anchor.Subject,
Enabled = true,
Intermediates = new List<Intermediate>()
{
new(_community2IntermediateCert)
{
BeginDate = _community2IntermediateCert.NotBefore.ToUniversalTime(),
EndDate = _community2IntermediateCert.NotAfter.ToUniversalTime(),
Name = _community2IntermediateCert.Subject,
Enabled = true
}
}
}
]
});
// _mockAuthorServerPipeline.
_mockAuthorServerPipeline.IdentityScopes.Add(new IdentityResources.OpenId());
_mockAuthorServerPipeline.IdentityScopes.Add(new IdentityResources.Profile());
_mockAuthorServerPipeline.ApiScopes.Add(new UdapApiScopes.Udap());
_mockAuthorServerPipeline.ApiScopes.Add(new ApiScope("user/*.read"));
_mockAuthorServerPipeline.Users.Add(new TestUser
{
SubjectId = "bob",
Username = "bob",
Claims =
[
new Claim("name", "Bob Loblaw"),
new Claim("email", "[email protected]"),
new Claim("role", "Attorney")
]
});
_mockAuthorServerPipeline.UserStore = new TestUserStore(_mockAuthorServerPipeline.Users);
}
private void BuildUdapIdentityProvider1()
{
_mockIdPPipeline.OnPostConfigureServices += services =>
{
services.AddSingleton(
sp =>
{
var serverSettings = sp.GetRequiredService<IOptions<ServerSettings>>().Value; // must resolve to trigger the post config at TieredIdpServerSettings
serverSettings.DefaultUserScopes = "udap";
serverSettings.DefaultSystemScopes = "udap";
// ForceStateParamOnAuthorizationCode = false (default)
serverSettings.AlwaysIncludeUserClaimsInIdToken = true;
serverSettings.RequireConsent = false;
serverSettings.RequirePkce = false;
return serverSettings;
});
// This registers Clients as List<Client> so downstream I can pick it up in InMemoryUdapClientRegistrationStore
// Duende's AddInMemoryClients extension registers as IEnumerable<Client> and is used in InMemoryClientStore as readonly.
// It was not intended to work with the concept of a dynamic client registration.
services.AddSingleton(_mockIdPPipeline.Clients);
//
// Allow logo resolve back to udap.auth server
//
services.AddSingleton<HttpClient>(_ => _mockAuthorServerPipeline.BrowserClient);
};
_mockIdPPipeline.Initialize(enableLogging: true);
Debug.Assert(_mockIdPPipeline.BrowserClient != null, "_mockIdPPipeline.BrowserClient != null");
_mockIdPPipeline.BrowserClient.AllowAutoRedirect = false;
_mockIdPPipeline.Communities.Add(new Community
{
Name = "udap://idp-community-1",
Enabled = true,
Default = true,
Anchors =
[
new Anchor(_community1Anchor, "udap://idp-community-1")
{
BeginDate = _community1Anchor.NotBefore.ToUniversalTime(),
EndDate = _community1Anchor.NotAfter.ToUniversalTime(),
Name = _community1Anchor.Subject,
Enabled = true,
Intermediates = new List<Intermediate>()
{
new(_community1IntermediateCert)
{
BeginDate = _community1IntermediateCert.NotBefore.ToUniversalTime(),
EndDate = _community1IntermediateCert.NotAfter.ToUniversalTime(),
Name = _community1IntermediateCert.Subject,
Enabled = true
}
}
}
]
});
_mockIdPPipeline.IdentityScopes.Add(new IdentityResources.OpenId());
_mockIdPPipeline.IdentityScopes.Add(new UdapIdentityResources.Profile());
_mockIdPPipeline.ApiScopes.Add(new UdapApiScopes.Udap());
_mockIdPPipeline.IdentityScopes.Add(new IdentityResources.Email());
_mockIdPPipeline.IdentityScopes.Add(new UdapIdentityResources.FhirUser());
_mockIdPPipeline.Users.Add(new TestUser
{
SubjectId = "bob",
Username = "bob",
Claims =
[
new Claim("name", "Bob Loblaw"),
new Claim("email", "[email protected]"),
new Claim("role", "Attorney"),
new Claim("hl7_identifier", "123")
]
});
// Allow pipeline to sign in during Login
_mockIdPPipeline.Subject = new IdentityServerUser("bob").CreatePrincipal();
}
private void BuildUdapIdentityProvider2()
{
_mockIdPPipeline2.OnPostConfigureServices += services =>
{
services.AddSingleton(
sp =>
{
var serverSettings = sp.GetRequiredService<IOptions<ServerSettings>>().Value;
serverSettings.DefaultUserScopes = "udap";
serverSettings.DefaultSystemScopes = "udap";
// ForceStateParamOnAuthorizationCode = false (default)
serverSettings.AlwaysIncludeUserClaimsInIdToken = true;
serverSettings.RequireConsent = false;
serverSettings.RequirePkce = false;
return serverSettings;
});
// This registers Clients as List<Client> so downstream I can pick it up in InMemoryUdapClientRegistrationStore
// Duende's AddInMemoryClients extension registers as IEnumerable<Client> and is used in InMemoryClientStore as readonly.
// It was not intended to work with the concept of a dynamic client registration.
services.AddSingleton(_mockIdPPipeline2.Clients);
//
// Allow logo resolve back to udap.auth server
//
services.AddSingleton<HttpClient>(_ => _mockAuthorServerPipeline.BrowserClient);
};
_mockIdPPipeline2.Initialize(enableLogging: true);
Debug.Assert(_mockIdPPipeline2.BrowserClient != null, "_mockIdPPipeline2.BrowserClient != null");
_mockIdPPipeline2.BrowserClient.AllowAutoRedirect = false;
_mockIdPPipeline2.Communities.Add(new Community
{
Name = "udap://idp-community-2",
Enabled = true,
Default = true,
Anchors =
[
new Anchor(_community2Anchor, "udap://idp-community-2")
{
BeginDate = _community2Anchor.NotBefore.ToUniversalTime(),
EndDate = _community2Anchor.NotAfter.ToUniversalTime(),
Name = _community2Anchor.Subject,
Enabled = true,
Intermediates = new List<Intermediate>()
{
new(_community2IntermediateCert)
{
BeginDate = _community2IntermediateCert.NotBefore.ToUniversalTime(),
EndDate = _community2IntermediateCert.NotAfter.ToUniversalTime(),
Name = _community2IntermediateCert.Subject,
Enabled = true
}
}
}
]
});
_mockIdPPipeline2.IdentityScopes.Add(new IdentityResources.OpenId());
_mockIdPPipeline2.IdentityScopes.Add(new UdapIdentityResources.Profile());
_mockIdPPipeline2.ApiScopes.Add(new UdapApiScopes.Udap());
_mockIdPPipeline2.IdentityScopes.Add(new IdentityResources.Email());
_mockIdPPipeline2.IdentityScopes.Add(new UdapIdentityResources.FhirUser());
_mockIdPPipeline2.Users.Add(new TestUser
{
SubjectId = "bob",
Username = "bob",
Claims =
[
new Claim("name", "Bob Loblaw"),
new Claim("email", "[email protected]"),
new Claim("role", "Attorney"),
new Claim("hl7_identifier", "123")
]
});
// Allow pipeline to sign in during Login
_mockIdPPipeline2.Subject = new IdentityServerUser("bob").CreatePrincipal();
}
/// <summary>
///
/// </summary>
/// <returns></returns>
[Fact]
public async Task Tiered_OAuth()
{
BuildUdapAuthorizationServer();
BuildUdapIdentityProvider1();
// Register client with auth server
var resultDocument = await RegisterClientWithAuthServer();
_mockAuthorServerPipeline.RemoveSessionCookie();
_mockAuthorServerPipeline.RemoveLoginCookie();
resultDocument.Should().NotBeNull();
resultDocument!.ClientId.Should().NotBeNull();
var clientId = resultDocument.ClientId!;
var dynamicIdp = _mockAuthorServerPipeline.ApplicationServices.GetRequiredService<DynamicIdp>();
dynamicIdp.Name = _mockIdPPipeline.BaseUrl;
//////////////////////
// ClientAuthorize
//////////////////////
// Data Holder's Auth Server validates Identity Provider's Server software statement
var clientState = Guid.NewGuid().ToString();
// Builds https://server/connect/authorize plus query params
var clientAuthorizeUrl = _mockAuthorServerPipeline.CreateAuthorizeUrl(
clientId: clientId,
responseType: "code",
scope: "udap openid user/*.read",
redirectUri: "https://code_client/callback",
state: clientState,
extra: new
{
idp = "https://idpserver"
});
_mockAuthorServerPipeline.BrowserClient.AllowAutoRedirect = false;
// The BrowserHandler.cs will normally set the cookie to indicate user signed in.
// We want to skip that and get a redirect to the login page
_mockAuthorServerPipeline.BrowserClient.AllowCookies = false;
var response = await _mockAuthorServerPipeline.BrowserClient.GetAsync(clientAuthorizeUrl);
response.StatusCode.Should().Be(HttpStatusCode.Redirect, await response.Content.ReadAsStringAsync());
response.Headers.Location.Should().NotBeNull();
response.Headers.Location!.AbsoluteUri.Should().Contain("https://server/Account/Login");
// _testOutputHelper.WriteLine(response.Headers.Location!.AbsoluteUri);
var queryParams = QueryHelpers.ParseQuery(response.Headers.Location.Query);
queryParams.Should().Contain(p => p.Key == "ReturnUrl");
queryParams.Should().NotContain(p => p.Key == "code");
queryParams.Should().NotContain(p => p.Key == "state");
// Pull the inner query params from the ReturnUrl
var returnUrl = queryParams.Single(p => p.Key == "ReturnUrl").Value.ToString();
returnUrl.Should().StartWith("/connect/authorize/callback?");
queryParams = QueryHelpers.ParseQuery(returnUrl);
queryParams.Single(q => q.Key == "scope").Value.ToString().Should().Contain("udap openid user/*.read");
queryParams.Single(q => q.Key == "state").Value.Should().BeEquivalentTo(clientState);
queryParams.Single(q => q.Key == "idp").Value.Should().BeEquivalentTo("https://idpserver");
var schemes = await _mockAuthorServerPipeline.Resolve<IAuthenticationSchemeProvider>().GetAllSchemesAsync();
var sb = new StringBuilder();
sb.Append("https://server/externallogin/challenge?"); // built in UdapAccount/Login/Index.cshtml.cs
sb.Append("scheme=").Append(schemes.First().Name);
sb.Append("&returnUrl=").Append(Uri.EscapeDataString(returnUrl));
clientAuthorizeUrl = sb.ToString();
//////////////////////////////////
//
// IdPDiscovery
// IdPRegistration
// IdPAuthAccess
//
//////////////////////////////////
// Auto Dynamic registration between Auth Server and Identity Provider happens here.
// /Challenge?
// ctx.ChallengeAsync -> launch registered scheme. In this case the TieredOauthAuthenticationHandler
// see: OnExternalLoginChallenge and Challenge(props, scheme) in ExternalLogin/Challenge.cshtml.cs or UdapTieredLogin/Challenge.cshtml.cs
// Backchannel
// Discovery
// Auto registration
// externalloging/challenge or in the Udap implementation it is the UdapAccount/Login/Index.cshtml.cs. XSRF cookie is set here.
// *** We are here after the request to the IdPs /authorize call. If the client is registered already then Discovery and Reg is skipped ***
//
// Authentication request (/authorize?)
// User logs in at IdP
// Authentication response
// Token request
// Data Holder incorporates user input into authorization decision
//
// response after discovery and registration
_mockAuthorServerPipeline.BrowserClient.AllowCookies = true; // Need to set the idsrv cookie so calls to /authorize will succeed
_mockAuthorServerPipeline.BrowserClient.GetXsrfCookie("https://server/federation/udap-tiered/signin", new TieredOAuthAuthenticationOptions().CorrelationCookie.Name!).Should().BeNull();
var backChannelChallengeResponse = await _mockAuthorServerPipeline.BrowserClient.GetAsync(clientAuthorizeUrl);
_mockAuthorServerPipeline.BrowserClient.GetXsrfCookie("https://server/federation/udap-tiered/signin", new TieredOAuthAuthenticationOptions().CorrelationCookie.Name!).Should().NotBeNull();
backChannelChallengeResponse.StatusCode.Should().Be(HttpStatusCode.Redirect, await backChannelChallengeResponse.Content.ReadAsStringAsync());
backChannelChallengeResponse.Headers.Location.Should().NotBeNull();
backChannelChallengeResponse.Headers.Location!.AbsoluteUri.Should().StartWith("https://idpserver/connect/authorize");
// _testOutputHelper.WriteLine(backChannelChallengeResponse.Headers.Location!.AbsoluteUri);
QueryHelpers.ParseQuery(backChannelChallengeResponse.Headers.Location.Query).Single(p => p.Key == "client_id").Value.Should().NotBeEmpty();
var backChannelState = QueryHelpers.ParseQuery(backChannelChallengeResponse.Headers.Location.Query).Single(p => p.Key == "state").Value.ToString();
backChannelState.Should().NotBeNullOrEmpty();
var idpClient = _mockIdPPipeline.Clients.Single(c => c.ClientName == "AuthServer Client");
idpClient.AlwaysIncludeUserClaimsInIdToken.Should().BeTrue();
Debug.Assert(_mockIdPPipeline.BrowserClient != null, "_mockIdPPipeline.BrowserClient != null");
var backChannelAuthResult = await _mockIdPPipeline.BrowserClient.GetAsync(backChannelChallengeResponse.Headers.Location);
backChannelAuthResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await backChannelAuthResult.Content.ReadAsStringAsync());
// _testOutputHelper.WriteLine(backChannelAuthResult.Headers.Location!.AbsoluteUri);
backChannelAuthResult.Headers.Location!.AbsoluteUri.Should().StartWith("https://idpserver/Account/Login");
// Run IdP /Account/Login
var loginCallbackResult = await _mockIdPPipeline.BrowserClient.GetAsync(backChannelAuthResult.Headers.Location!.AbsoluteUri);
loginCallbackResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await backChannelAuthResult.Content.ReadAsStringAsync());
// _testOutputHelper.WriteLine(loginCallbackResult.Headers.Location!.OriginalString);
loginCallbackResult.Headers.Location!.OriginalString.Should().StartWith("/connect/authorize/callback?");
// Run IdP /connect/authorize/callback
var authorizeCallbackResult = await _mockIdPPipeline.BrowserClient.GetAsync(
$"https://idpserver{loginCallbackResult.Headers.Location!.OriginalString}");
// _testOutputHelper.WriteLine(authorizeCallbackResult.Headers.Location!.OriginalString);
authorizeCallbackResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await authorizeCallbackResult.Content.ReadAsStringAsync());
authorizeCallbackResult.Headers.Location.Should().NotBeNull();
authorizeCallbackResult.Headers.Location!.AbsoluteUri.Should().StartWith("https://server/federation/udap-tiered/signin?");
QueryHelpers.ParseQuery(authorizeCallbackResult.Headers.Location.Query).Single(p => p.Key == "code").Value.Should().NotBeEmpty();
//
// Validate backchannel state is the same
//
backChannelState.Should().BeEquivalentTo(_mockAuthorServerPipeline.GetClientState(authorizeCallbackResult));
//
// Ensure client state and back channel state never become the same.
//
clientState.Should().NotBeEquivalentTo(backChannelState);
_mockAuthorServerPipeline.GetSessionCookie().Should().BeNull();
_mockAuthorServerPipeline.BrowserClient.GetCookie("https://server", "idsrv").Should().BeNull();
// Run Auth Server /federation/udap-tiered/signin This is the Registered scheme callback endpoint
// Allow one redirect to run /connect/token.
// Sets Cookies: idsrv.external idsrv.session, and idsrv
// Backchannel calls:
// POST https://idpserver/connect/token
// GET https://idpserver/.well-known/openid-configuration
// GET https://idpserver/.well-known/openid-configuration/jwks
//
// Redirects to https://server/externallogin/callback
//
_mockAuthorServerPipeline.BrowserClient.AllowAutoRedirect = true;
_mockAuthorServerPipeline.BrowserClient.StopRedirectingAfter = 1;
_mockAuthorServerPipeline.BrowserClient.AllowCookies = true;
// "https://server/federation/udap-tiered/signin?..."
var schemeCallbackResult = await _mockAuthorServerPipeline.BrowserClient.GetAsync(authorizeCallbackResult.Headers.Location!.AbsoluteUri);
schemeCallbackResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await schemeCallbackResult.Content.ReadAsStringAsync());
schemeCallbackResult.Headers.Location.Should().NotBeNull();
schemeCallbackResult.Headers.Location!.OriginalString.Should().StartWith("/connect/authorize/callback?");
// _testOutputHelper.WriteLine(schemeCallbackResult.Headers.Location!.OriginalString);
// Validate Cookies
_mockAuthorServerPipeline.GetSessionCookie().Should().NotBeNull();
_testOutputHelper.WriteLine(_mockAuthorServerPipeline.GetSessionCookie()!.Value);
_mockAuthorServerPipeline.BrowserClient.GetCookie("https://server", "idsrv").Should().NotBeNull();
//TODO assert match State and nonce between Auth Server and IdP
//
// Check the IdToken in the back channel. Ensure the HL7_Identifier is in the claims
//
// _testOutputHelper.WriteLine(_mockIdPPipeline.IdToken.ToString());
_mockIdPPipeline.IdToken.Should().NotBeNull();
_mockIdPPipeline.IdToken!.Claims.Should().Contain(c => c.Type == "hl7_identifier");
_mockIdPPipeline.IdToken.Claims.Single(c => c.Type == "hl7_identifier").Value.Should().Be("123");
// Run the authServer https://server/connect/authorize/callback
_mockAuthorServerPipeline.BrowserClient.AllowAutoRedirect = false;
var clientCallbackResult = await _mockAuthorServerPipeline.BrowserClient.GetAsync(
$"https://server{schemeCallbackResult.Headers.Location!.OriginalString}");
clientCallbackResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await clientCallbackResult.Content.ReadAsStringAsync());
clientCallbackResult.Headers.Location.Should().NotBeNull();
clientCallbackResult.Headers.Location!.AbsoluteUri.Should().StartWith("https://code_client/callback?");
// _testOutputHelper.WriteLine(clientCallbackResult.Headers.Location!.AbsoluteUri);
// Assert match state and nonce between User and Auth Server
clientState.Should().BeEquivalentTo(_mockAuthorServerPipeline.GetClientState(clientCallbackResult));
queryParams = QueryHelpers.ParseQuery(clientCallbackResult.Headers.Location.Query);
queryParams.Should().Contain(p => p.Key == "code");
var code = queryParams.Single(p => p.Key == "code").Value.ToString();
// _testOutputHelper.WriteLine($"Code: {code}");
////////////////////////////
//
// ClientAuthAccess
//
///////////////////////////
// Get a Access Token (Cash in the code)
var privateCerts = _mockAuthorServerPipeline.Resolve<IPrivateCertificateStore>();
var tokenRequest = AccessTokenRequestForAuthorizationCodeBuilder.Create(
clientId,
"https://server/connect/token",
privateCerts.IssuedCertificates.Select(ic => ic.Certificate).First(),
"https://code_client/callback",
code)
.Build();
dynamicIdp.Name = null; // Influence UdapClient resolution in AddTieredOAuthForTests.
var udapClient = _mockAuthorServerPipeline.Resolve<IUdapClient>();
var accessToken = await udapClient.ExchangeCodeForTokenResponse(tokenRequest);
accessToken.Should().NotBeNull();
accessToken.IdentityToken.Should().NotBeNull();
var jwt = new JwtSecurityToken(accessToken.IdentityToken);
new JwtSecurityToken(accessToken.AccessToken).Should().NotBeNull();
using var jsonDocument = JsonDocument.Parse(jwt.Payload.SerializeToJson());
var formattedStatement = JsonSerializer.Serialize(
jsonDocument,
IndentedJsonOptions
);
var formattedHeader = Base64UrlEncoder.Decode(jwt.EncodedHeader);
_testOutputHelper.WriteLine(formattedHeader);
_testOutputHelper.WriteLine(formattedStatement);
// udap.org Tiered 4.3
// aud: client_id of Resource Holder (matches client_id in Resource Holder request in Step 3.4)
jwt.Claims.Should().Contain(c => c.Type == "aud");
jwt.Claims.Single(c => c.Type == "aud").Value.Should().Be(clientId);
// iss: IdP’s unique identifying URI (matches idp parameter from Step 2)
jwt.Claims.Should().Contain(c => c.Type == "iss");
jwt.Claims.Single(c => c.Type == "iss").Value.Should().Be(UdapAuthServerPipeline.BaseUrl);
jwt.Claims.Should().Contain(c => c.Type == "hl7_identifier");
jwt.Claims.Single(c => c.Type == "hl7_identifier").Value.Should().Be("123");
// sub: unique identifier for user in namespace of issuer, i.e. iss + sub is globally unique
// TODO: Currently the sub is the code given at access time. Maybe that is OK? I could put the clientId in from
// backchannel. But I am not sure I want to show that. After all it is still globally unique.
// jwt.Claims.Should().Contain(c => c.Type == "sub");
// jwt.Claims.Single(c => c.Type == "sub").Value.Should().Be(backChannelClientId);
// jwt.Claims.Should().Contain(c => c.Type == "sub");
// jwt.Claims.Single(c => c.Type == "sub").Value.Should().Be(backChannelCode);
// Todo: Nonce
// Todo: Validate claims. Like missing name and other identity claims. Maybe add a hl7_identifier
// Why is idp:TieredOAuth in the returned claims?
/*
* new Claim("name", "Bob Loblaw"),
new Claim("email", "[email protected]"),
new Claim("role", "Attorney")
*/
}
[Fact]
public async Task Tiered_OAuth_With_Community()
{
BuildUdapAuthorizationServer();
BuildUdapIdentityProvider2();
// Register client with auth server
var resultDocument = await RegisterClientWithAuthServer();
_mockAuthorServerPipeline.RemoveSessionCookie();
_mockAuthorServerPipeline.RemoveLoginCookie();
resultDocument.Should().NotBeNull();
resultDocument!.ClientId.Should().NotBeNull();
var clientId = resultDocument.ClientId!;
var dynamicIdp = _mockAuthorServerPipeline.ApplicationServices.GetRequiredService<DynamicIdp>();
dynamicIdp.Name = _mockIdPPipeline2.BaseUrl;
//////////////////////
// ClientAuthorize
//////////////////////
// Data Holder's Auth Server validates Identity Provider's Server software statement
var clientState = Guid.NewGuid().ToString();
var clientAuthorizeUrl = _mockAuthorServerPipeline.CreateAuthorizeUrl(
clientId: clientId,
responseType: "code",
scope: "udap openid user/*.read",
redirectUri: "https://code_client/callback",
state: clientState,
extra: new
{
idp = "https://idpserver2?community=udap://idp-community-2"
});
_mockAuthorServerPipeline.BrowserClient.AllowAutoRedirect = false;
// The BrowserHandler.cs will normally set the cookie to indicate user signed in.
// We want to skip that and get a redirect to the login page
_mockAuthorServerPipeline.BrowserClient.AllowCookies = false;
var response = await _mockAuthorServerPipeline.BrowserClient.GetAsync(clientAuthorizeUrl);
response.StatusCode.Should().Be(HttpStatusCode.Redirect, await response.Content.ReadAsStringAsync());
response.Headers.Location.Should().NotBeNull();
response.Headers.Location!.AbsoluteUri.Should().Contain("https://server/Account/Login");
// _testOutputHelper.WriteLine(response.Headers.Location!.AbsoluteUri);
var queryParams = QueryHelpers.ParseQuery(response.Headers.Location.Query);
queryParams.Should().Contain(p => p.Key == "ReturnUrl");
queryParams.Should().NotContain(p => p.Key == "code");
queryParams.Should().NotContain(p => p.Key == "state");
// Pull the inner query params from the ReturnUrl
var returnUrl = queryParams.Single(p => p.Key == "ReturnUrl").Value.ToString();
returnUrl.Should().StartWith("/connect/authorize/callback?");
queryParams = QueryHelpers.ParseQuery(returnUrl);
queryParams.Single(q => q.Key == "scope").Value.ToString().Should().Contain("udap openid user/*.read");
queryParams.Single(q => q.Key == "state").Value.Should().BeEquivalentTo(clientState);
queryParams.Single(q => q.Key == "idp").Value.Should().BeEquivalentTo("https://idpserver2?community=udap://idp-community-2");
// var schemes = await _mockAuthorServerPipeline.Resolve<IIdentityProviderStore>().GetAllSchemeNamesAsync();
var sb = new StringBuilder();
sb.Append("https://server/externallogin/challenge?"); // built in UdapAccount/Login/Index.cshtml.cs
sb.Append("scheme=").Append(TieredOAuthAuthenticationDefaults.AuthenticationScheme);
sb.Append("&returnUrl=").Append(Uri.EscapeDataString(returnUrl));
clientAuthorizeUrl = sb.ToString();
//////////////////////////////////
//
// IdPDiscovery
// IdPRegistration
// IdPAuthAccess
//
//////////////////////////////////
// Auto Dynamic registration between Auth Server and Identity Provider happens here.
// /Challenge?
// ctx.ChallengeAsync -> launch registered scheme. In this case the TieredOauthAuthenticationHandler
// see: OnExternalLoginChallenge and Challenge(props, scheme) in ExternalLogin/Challenge.cshtml.cs or UdapTieredLogin/Challenge.cshtml.cs
// Backchannel
// Discovery
// Auto registration
// externalloging/challenge or in the Udap implementation it is the UdapAccount/Login/Index.cshtml.cs. XSRF cookie is set here.
// *** We are here after the request to the IdPs /authorize call. If the client is registered already then Discovery and Reg is skipped ***
//
// Authentication request (/authorize?)
// User logs in at IdP
// Authentication response
// Token request
// Data Holder incorporates user input into authorization decision
//
// response after discovery and registration
_mockAuthorServerPipeline.BrowserClient.AllowCookies = true; // Need to set the idsrv cookie so calls to /authorize will succeed
_mockAuthorServerPipeline.BrowserClient.GetXsrfCookie("https://server/federation/udap-tiered/signin", new TieredOAuthAuthenticationOptions().CorrelationCookie.Name!).Should().BeNull();
var backChannelChallengeResponse = await _mockAuthorServerPipeline.BrowserClient.GetAsync(clientAuthorizeUrl);
_mockAuthorServerPipeline.BrowserClient.GetXsrfCookie("https://server/federation/udap-tiered/signin", new TieredOAuthAuthenticationOptions().CorrelationCookie.Name!).Should().NotBeNull();
backChannelChallengeResponse.StatusCode.Should().Be(HttpStatusCode.Redirect, await backChannelChallengeResponse.Content.ReadAsStringAsync());
backChannelChallengeResponse.Headers.Location.Should().NotBeNull();
backChannelChallengeResponse.Headers.Location!.AbsoluteUri.Should().StartWith("https://idpserver2/connect/authorize");
// _testOutputHelper.WriteLine(backChannelChallengeResponse.Headers.Location!.AbsoluteUri);
QueryHelpers.ParseQuery(backChannelChallengeResponse.Headers.Location.Query).Single(p => p.Key == "client_id").Value.Should().NotBeEmpty();
var backChannelState = QueryHelpers.ParseQuery(backChannelChallengeResponse.Headers.Location.Query).Single(p => p.Key == "state").Value.ToString();
backChannelState.Should().NotBeNullOrEmpty();
var idpClient = _mockIdPPipeline2.Clients.Single(c => c.ClientName == "AuthServer Client");
idpClient.AlwaysIncludeUserClaimsInIdToken.Should().BeTrue();
_mockIdPPipeline2.BrowserClient.Should().NotBeNull();
var backChannelAuthResult = await _mockIdPPipeline2.BrowserClient!.GetAsync(backChannelChallengeResponse.Headers.Location);
backChannelAuthResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await backChannelAuthResult.Content.ReadAsStringAsync());
// _testOutputHelper.WriteLine(backChannelAuthResult.Headers.Location!.AbsoluteUri);
backChannelAuthResult.Headers.Location!.AbsoluteUri.Should().StartWith("https://idpserver2/Account/Login");
// Run IdP /Account/Login
var loginCallbackResult = await _mockIdPPipeline2.BrowserClient.GetAsync(backChannelAuthResult.Headers.Location!.AbsoluteUri);
loginCallbackResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await backChannelAuthResult.Content.ReadAsStringAsync());
// _testOutputHelper.WriteLine(loginCallbackResult.Headers.Location!.OriginalString);
loginCallbackResult.Headers.Location!.OriginalString.Should().StartWith("/connect/authorize/callback?");
// Run IdP /connect/authorize/callback
var authorizeCallbackResult = await _mockIdPPipeline2.BrowserClient.GetAsync(
$"https://idpserver2{loginCallbackResult.Headers.Location!.OriginalString}");
// _testOutputHelper.WriteLine(authorizeCallbackResult.Headers.Location!.OriginalString);
authorizeCallbackResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await authorizeCallbackResult.Content.ReadAsStringAsync());
authorizeCallbackResult.Headers.Location.Should().NotBeNull();
authorizeCallbackResult.Headers.Location!.AbsoluteUri.Should().StartWith("https://server/federation/udap-tiered/signin?");
var backChannelCode = QueryHelpers.ParseQuery(authorizeCallbackResult.Headers.Location.Query).Single(p => p.Key == "code").Value.ToString();
backChannelCode.Should().NotBeEmpty();
//
// Validate backchannel state is the same
//
backChannelState.Should().BeEquivalentTo(_mockAuthorServerPipeline.GetClientState(authorizeCallbackResult));
//
// Ensure client state and back channel state never become the same.
//
clientState.Should().NotBeEquivalentTo(backChannelState);
_mockAuthorServerPipeline.GetSessionCookie().Should().BeNull();
_mockAuthorServerPipeline.BrowserClient.GetCookie("https://server", "idsrv").Should().BeNull();
// Run Auth Server /federation/idpserver2/signin This is the Registered scheme callback endpoint
// Allow one redirect to run /connect/token.
// Sets Cookies: idsrv.external idsrv.session, and idsrv
// Backchannel calls:
// POST https://idpserver2/connect/token
// GET https://idpserver2/.well-known/openid-configuration
// GET https://idpserver2/.well-known/openid-configuration/jwks
//
// Redirects to https://server/externallogin/callback
//
_mockAuthorServerPipeline.BrowserClient.AllowAutoRedirect = true;
_mockAuthorServerPipeline.BrowserClient.StopRedirectingAfter = 1;
_mockAuthorServerPipeline.BrowserClient.AllowCookies = true;
// "https://server/federation/idpserver2/signin?..."
var schemeCallbackResult = await _mockAuthorServerPipeline.BrowserClient.GetAsync(authorizeCallbackResult.Headers.Location!.AbsoluteUri);
schemeCallbackResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await schemeCallbackResult.Content.ReadAsStringAsync());
schemeCallbackResult.Headers.Location.Should().NotBeNull();
schemeCallbackResult.Headers.Location!.OriginalString.Should().StartWith("/connect/authorize/callback?");
// _testOutputHelper.WriteLine(schemeCallbackResult.Headers.Location!.OriginalString);
// Validate Cookies
_mockAuthorServerPipeline.GetSessionCookie().Should().NotBeNull();
// _testOutputHelper.WriteLine(_mockAuthorServerPipeline.GetSessionCookie()!.Value);
// _mockAuthorServerPipeline.BrowserClient.GetCookie("https://server", "idsrv").Should().NotBeNull();
//TODO assert match State and nonce between Auth Server and IdP
//
// Check the IdToken in the back channel. Ensure the HL7_Identifier is in the claims
//
// _testOutputHelper.WriteLine(_mockIdPPipeline2.IdToken.ToString());
_mockIdPPipeline2.IdToken.Should().NotBeNull();
_mockIdPPipeline2.IdToken!.Claims.Should().Contain(c => c.Type == "hl7_identifier");
_mockIdPPipeline2.IdToken.Claims.Single(c => c.Type == "hl7_identifier").Value.Should().Be("123");
// Run the authServer https://server/connect/authorize/callback
_mockAuthorServerPipeline.BrowserClient.AllowAutoRedirect = false;
var clientCallbackResult = await _mockAuthorServerPipeline.BrowserClient.GetAsync(
$"https://server{schemeCallbackResult.Headers.Location!.OriginalString}");
clientCallbackResult.StatusCode.Should().Be(HttpStatusCode.Redirect, await clientCallbackResult.Content.ReadAsStringAsync());
clientCallbackResult.Headers.Location.Should().NotBeNull();
clientCallbackResult.Headers.Location!.AbsoluteUri.Should().StartWith("https://code_client/callback?");
// _testOutputHelper.WriteLine(clientCallbackResult.Headers.Location!.AbsoluteUri);
// Assert match state and nonce between User and Auth Server
clientState.Should().BeEquivalentTo(_mockAuthorServerPipeline.GetClientState(clientCallbackResult));
queryParams = QueryHelpers.ParseQuery(clientCallbackResult.Headers.Location.Query);
queryParams.Should().Contain(p => p.Key == "code");
var code = queryParams.Single(p => p.Key == "code").Value.ToString();
// _testOutputHelper.WriteLine($"Code: {code}");
////////////////////////////
//
// ClientAuthAccess
//
///////////////////////////
// Get a Access Token (Cash in the code)
var privateCerts = _mockAuthorServerPipeline.Resolve<IPrivateCertificateStore>();
var tokenRequest = AccessTokenRequestForAuthorizationCodeBuilder.Create(
clientId,
"https://server/connect/token",
privateCerts.IssuedCertificates.Select(ic => ic.Certificate).First(),
"https://code_client/callback",
code)
.Build();
dynamicIdp.Name = null; // Influence UdapClient resolution in AddTieredOAuthForTests.
var udapClient = _mockAuthorServerPipeline.Resolve<IUdapClient>();
var accessToken = await udapClient.ExchangeCodeForTokenResponse(tokenRequest);
accessToken.Should().NotBeNull();
accessToken.IdentityToken.Should().NotBeNull();
var jwt = new JwtSecurityToken(accessToken.IdentityToken);
new JwtSecurityToken(accessToken.AccessToken).Should().NotBeNull();
using var jsonDocument = JsonDocument.Parse(jwt.Payload.SerializeToJson());
var formattedStatement = JsonSerializer.Serialize(
jsonDocument,
IndentedJsonOptions
);
var formattedHeader = Base64UrlEncoder.Decode(jwt.EncodedHeader);
_testOutputHelper.WriteLine(formattedHeader);
_testOutputHelper.WriteLine(formattedStatement);
// udap.org Tiered 4.3
// aud: client_id of Resource Holder (matches client_id in Resource Holder request in Step 3.4)
jwt.Claims.Should().Contain(c => c.Type == "aud");
jwt.Claims.Single(c => c.Type == "aud").Value.Should().Be(clientId);
// iss: IdP’s unique identifying URI (matches idp parameter from Step 2)
jwt.Claims.Should().Contain(c => c.Type == "iss");
jwt.Claims.Single(c => c.Type == "iss").Value.Should().Be(UdapAuthServerPipeline.BaseUrl);
jwt.Claims.Should().Contain(c => c.Type == "hl7_identifier");
jwt.Claims.Single(c => c.Type == "hl7_identifier").Value.Should().Be("123");
// sub: unique identifier for user in namespace of issuer, i.e. iss + sub is globally unique
// TODO: Currently the sub is the code given at access time. Maybe that is OK? I could put the clientId in from
// backchannel. But I am not sure I want to show that. After all it is still globally unique.
// jwt.Claims.Should().Contain(c => c.Type == "sub");
// jwt.Claims.Single(c => c.Type == "sub").Value.Should().Be(backChannelClientId);
// jwt.Claims.Should().Contain(c => c.Type == "sub");
// jwt.Claims.Single(c => c.Type == "sub").Value.Should().Be(backChannelCode);
// Todo: Nonce
// Todo: Validate claims. Like missing name and other identity claims. Maybe add a hl7_identifier
// Why is idp:TieredOAuth in the returned claims?
}
/// <summary>
/// During Tiered OAuth between the client and data holder the udap scope is required
/// Client call to /authorize? should request with udap scope.
/// Without it the idp is undefined according to https://hl7.org/fhir/us/udap-security/user.html#client-authorization-request-to-data-holder
/// </summary>
/// <returns></returns>
[Fact]
public async Task ClientAuthorize_Missing_udap_scope_between_client_and_dataholder_Test()
{
BuildUdapAuthorizationServer();
BuildUdapIdentityProvider1();
// Register client with auth server
var resultDocument = await RegisterClientWithAuthServer();
_mockAuthorServerPipeline.RemoveSessionCookie();