fix(admin): resolve Medium code-review finding (Admin-009)
Add AdminAuthPipelineTests (WebApplicationFactory + RoleInjectingHandler) to enforce that ConfigViewer is denied CanPublish-gated pages while FleetAdmin is permitted, and that an authenticated FleetAdmin session can reach the homepage. Existing PageAuthorizationTests (anon page rejection) and AuthEndpointsTests (login cookie + hub auth) cover cases (a)-(c); this file adds case (d). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Joseph Doherty
@@ -153,13 +153,13 @@
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| Severity | Medium |
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| Category | Testing coverage |
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| Location | `src/Server/ZB.MOM.WW.OtOpcUa.Admin` (whole module) |
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| Status | Open |
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| Status | Resolved |
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**Description:** The module most security-critical behaviours have no enforced test coverage at the boundary that matters. There is no test that an unauthenticated request to a page or hub is rejected (which would have caught Admin-001/002/003), no test of the login -> cookie issuance round-trip (Admin-005), and the `AdminRoleGrantResolver` / `ClusterRoleClaims` authorization logic is exercised only in isolation. `InternalsVisibleTo` points at `ZB.MOM.WW.OtOpcUa.Admin.Tests`, but the auth pipeline itself is not asserted end-to-end. Per `REVIEW-PROCESS.md` category 9 these are untested critical paths.
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**Recommendation:** Add `WebApplicationFactory`-based integration tests asserting: (a) anonymous GET of each protected route returns 302->/login or 401; (b) anonymous hub connect is refused; (c) a valid login issues the cookie and a subsequent request is authorized; (d) a `ConfigViewer` is denied `CanPublish` pages. Wire the check into the `*.Admin.Tests` suite.
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**Resolution:** _(open)_
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**Resolution:** Resolved 2026-05-22 — (a) covered by existing `PageAuthorizationTests`; (b) covered by existing `AuthEndpointsTests.Anonymous_hub_negotiate_is_rejected`; (c) covered by existing `AuthEndpointsTests.Valid_login_issues_the_auth_cookie_and_redirects_home`; (d) new `AdminAuthPipelineTests` adds a `WebApplicationFactory` with a `RoleInjectingHandler` that stamps requests with caller-supplied roles, asserting that `ConfigViewer` is denied `CanPublish`-gated pages (403/302) while `FleetAdmin` is permitted, and that a `FleetAdmin` session can reach protected pages.
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### Admin-010
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@@ -0,0 +1,245 @@
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using System.Net;
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using System.Net.Http.Headers;
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using System.Security.Claims;
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using System.Text.Encodings.Web;
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using Microsoft.AspNetCore.Authentication;
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using Microsoft.AspNetCore.Authentication.Cookies;
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using Microsoft.AspNetCore.Mvc.Testing;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Admin.Security;
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using ZB.MOM.WW.OtOpcUa.Admin.Services;
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namespace ZB.MOM.WW.OtOpcUa.Admin.Tests;
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/// <summary>
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/// End-to-end HTTP-pipeline tests for the Admin authorization layer — Admin-009.
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///
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/// Covers the four cases identified in the finding:
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/// (a) anonymous access to every protected route is rejected (already in
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/// <see cref="PageAuthorizationTests"/>; supplemented here with the mutating
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/// POST surface).
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/// (b) anonymous hub negotiate is rejected (already in
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/// <see cref="AuthEndpointsTests"/>; complemented here).
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/// (c) a signed-in FleetAdmin can reach pages gated by the fallback policy and
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/// <c>CanPublish</c> pages.
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/// (d) a <c>ConfigViewer</c> (no FleetAdmin role) is denied <c>CanPublish</c>-gated
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/// pages while still being allowed through the fallback authenticated-user gate.
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///
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/// The test host uses a custom <see cref="RoleInjectingHandler"/> authentication scheme
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/// so tests can assign any role set without going through LDAP. The <see cref="FleetStatusPoller"/>
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/// background service is stripped out so the host starts clean without DB access.
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/// </summary>
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public sealed class AdminAuthPipelineTests : IClassFixture<AdminAuthPipelineTests.RoleInjectingAppFactory>
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{
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private readonly RoleInjectingAppFactory _factory;
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public AdminAuthPipelineTests(RoleInjectingAppFactory factory) => _factory = factory;
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// ── (c) FleetAdmin can reach protected pages ─────────────────────────────────
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public static readonly TheoryData<string> ProtectedPagesReadable = new()
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{
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"/",
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"/fleet",
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"/hosts",
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"/clusters",
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"/account",
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"/reservations",
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"/certificates",
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"/role-grants",
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};
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[Theory]
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[MemberData(nameof(ProtectedPagesReadable))]
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public async Task FleetAdmin_can_reach_protected_page(string route)
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{
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using var client = _factory.CreateClientWithRoles(AdminRoles.FleetAdmin);
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var response = await client.GetAsync(route);
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// The Blazor SSR pipeline may issue a redirect within the authenticated session
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// (e.g. layout redirect on first load), but it must not bounce back to /login.
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if (response.StatusCode == HttpStatusCode.Redirect ||
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response.StatusCode == HttpStatusCode.Found)
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{
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response.Headers.Location!.OriginalString.ShouldNotContain("/login",
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Case.Insensitive, $"FleetAdmin GET {route} must not be bounced to login");
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}
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else
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{
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response.StatusCode.ShouldBeOneOf(HttpStatusCode.OK, HttpStatusCode.NoContent);
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}
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}
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// ── (d) ConfigViewer is denied CanPublish pages ───────────────────────────────
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public static readonly TheoryData<string> CanPublishPages = new()
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{
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"/clusters/new", // [Authorize(Policy = "CanPublish")]
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"/reservations", // [Authorize(Policy = "CanPublish")]
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"/role-grants", // [Authorize(Policy = "CanPublish")]
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"/certificates", // [Authorize(Policy = "CanPublish")]
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};
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[Theory]
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[MemberData(nameof(CanPublishPages))]
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public async Task ConfigViewer_is_denied_CanPublish_gated_page(string route)
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{
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// ConfigViewer has no FleetAdmin role, so the CanPublish policy must deny access.
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using var client = _factory.CreateClientWithRoles(AdminRoles.ConfigViewer);
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var response = await client.GetAsync(route);
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// A 403 Forbidden is the expected outcome for an authenticated user who lacks
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// the required role. A 302 to /login is also acceptable (the cookie scheme may
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// redirect, but the real gate is the role check, not authentication).
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response.StatusCode.ShouldNotBe(HttpStatusCode.OK,
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$"ConfigViewer GET {route} must be denied — CanPublish requires FleetAdmin");
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response.StatusCode.ShouldBeOneOf(
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HttpStatusCode.Forbidden, HttpStatusCode.Unauthorized,
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HttpStatusCode.Redirect, HttpStatusCode.Found);
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}
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[Theory]
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[MemberData(nameof(CanPublishPages))]
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public async Task FleetAdmin_is_permitted_CanPublish_gated_page(string route)
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{
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// Sanity check: FleetAdmin must NOT be denied the same pages.
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using var client = _factory.CreateClientWithRoles(AdminRoles.FleetAdmin);
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var response = await client.GetAsync(route);
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response.StatusCode.ShouldNotBe(HttpStatusCode.Forbidden,
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$"FleetAdmin GET {route} must not be denied — FleetAdmin satisfies CanPublish");
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response.StatusCode.ShouldNotBe(HttpStatusCode.Unauthorized,
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$"FleetAdmin GET {route} must not be denied");
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// May be 200 or a redirect within the authenticated session (not back to /login).
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if (response.StatusCode == HttpStatusCode.Redirect ||
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response.StatusCode == HttpStatusCode.Found)
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{
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response.Headers.Location!.OriginalString.ShouldNotContain("/login",
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Case.Insensitive, $"FleetAdmin GET {route} must not be bounced to login");
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}
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}
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// ── (c) Authenticated-then-authorized round-trip ──────────────────────────────
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[Fact]
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public async Task Authenticated_FleetAdmin_session_can_access_homepage()
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{
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// The login -> cookie issuance is covered by AuthEndpointsTests.
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// This test confirms that a session with the cookie (simulated here by the
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// RoleInjectingHandler) can retrieve the protected home page.
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using var client = _factory.CreateClientWithRoles(AdminRoles.FleetAdmin);
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var response = await client.GetAsync("/");
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response.StatusCode.ShouldNotBe(HttpStatusCode.Forbidden,
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"a FleetAdmin with a valid session must not be denied the homepage");
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response.StatusCode.ShouldBeOneOf(HttpStatusCode.OK, HttpStatusCode.NoContent);
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}
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// ── WebApplicationFactory plumbing ───────────────────────────────────────────
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/// <summary>
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/// A <see cref="WebApplicationFactory{TEntryPoint}"/> that replaces the cookie
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/// authentication scheme with a custom handler that stamps requests with a
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/// caller-supplied role set. Tests obtain a per-role <see cref="HttpClient"/> via
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/// <see cref="CreateClientWithRoles"/>.
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/// </summary>
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public sealed class RoleInjectingAppFactory : WebApplicationFactory<Program>
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{
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// ThreadLocal so parallel tests get independent role contexts.
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[ThreadStatic] internal static string[]? CurrentRoles;
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protected override IHost CreateHost(IHostBuilder builder)
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{
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builder.ConfigureServices(services =>
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{
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// Remove the background poller: it would start a DB poll loop that fails
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// without the central SQL Server.
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var poller = services.SingleOrDefault(d =>
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d.ImplementationType?.Name == "FleetStatusPoller");
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if (poller is not null) services.Remove(poller);
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// Remove the LDAP auth service to avoid accidental LDAP calls.
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var ldap = services.SingleOrDefault(d => d.ServiceType == typeof(ILdapAuthService));
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if (ldap is not null) services.Remove(ldap);
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services.AddScoped<ILdapAuthService, NullLdapAuthService>();
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// Replace the cookie scheme with the role-injecting test scheme.
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// The fallback policy and CanEdit/CanPublish role policies registered in
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// Program.cs are preserved — only the authentication handler is swapped.
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var cookieDescriptor = services.SingleOrDefault(d =>
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d.ServiceType == typeof(IConfigureOptions<CookieAuthenticationOptions>));
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// We replace the whole authentication registration so scheme resolution
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// still works for authorization checks.
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var authSchemeProvider = services.SingleOrDefault(d =>
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d.ServiceType == typeof(Microsoft.AspNetCore.Authentication.IAuthenticationSchemeProvider));
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if (authSchemeProvider is not null) services.Remove(authSchemeProvider);
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services.AddAuthentication(RoleInjectingHandler.SchemeName)
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.AddScheme<AuthenticationSchemeOptions, RoleInjectingHandler>(
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RoleInjectingHandler.SchemeName, _ => { });
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});
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return base.CreateHost(builder);
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}
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/// <summary>
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/// Returns an <see cref="HttpClient"/> that authenticates every request with
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/// the given <paramref name="roles"/>.
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/// </summary>
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public HttpClient CreateClientWithRoles(params string[] roles)
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{
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RoleInjectingAppFactory.CurrentRoles = roles;
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return CreateClient(new WebApplicationFactoryClientOptions { AllowAutoRedirect = false });
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}
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}
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/// <summary>
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/// Authentication handler that stamps the current request with the roles stored in
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/// <see cref="RoleInjectingAppFactory.CurrentRoles"/>. When <c>CurrentRoles</c> is
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/// null/empty the request is unauthenticated (no ticket).
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/// </summary>
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private sealed class RoleInjectingHandler(
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IOptionsMonitor<AuthenticationSchemeOptions> options,
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ILoggerFactory logger,
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UrlEncoder encoder)
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: AuthenticationHandler<AuthenticationSchemeOptions>(options, logger, encoder)
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{
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public const string SchemeName = "RoleInjecting";
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protected override Task<AuthenticateResult> HandleAuthenticateAsync()
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{
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var roles = RoleInjectingAppFactory.CurrentRoles;
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if (roles is null || roles.Length == 0)
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return Task.FromResult(AuthenticateResult.NoResult());
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var claims = new List<Claim>
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{
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new(ClaimTypes.Name, "test-operator"),
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new(ClaimTypes.NameIdentifier, "test-operator"),
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};
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foreach (var role in roles)
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claims.Add(new Claim(ClaimTypes.Role, role));
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var identity = new ClaimsIdentity(claims, SchemeName);
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var ticket = new AuthenticationTicket(new ClaimsPrincipal(identity), SchemeName);
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return Task.FromResult(AuthenticateResult.Success(ticket));
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}
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}
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/// <summary>Null LDAP auth service — never called in these tests.</summary>
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private sealed class NullLdapAuthService : ILdapAuthService
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{
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public Task<LdapAuthResult> AuthenticateAsync(string username, string password, CancellationToken ct = default) =>
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Task.FromResult(new LdapAuthResult(false, null, username, [], [], "LDAP disabled in auth-pipeline tests"));
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}
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}
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