Forgot unversioned xd

SVSim.UnitTests/Infrastructure/TestAuthHandler.cs

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+using System.Security.Claims;
+using System.Text.Encodings.Web;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using SVSim.Database;
+using SVSim.Database.Models;
+using SVSim.EmulatedEntrypoint.Constants;
+using SVSim.EmulatedEntrypoint.Extensions;
+using SVSim.EmulatedEntrypoint.Security.SteamSessionAuthentication;
+
+namespace SVSim.UnitTests.Infrastructure;
+
+/// <summary>
+/// Replaces <see cref="SteamSessionAuthenticationHandler"/> in tests. Reads the viewer id from
+/// the <c>X-Test-Viewer-Id</c> header, looks the viewer up, and builds the same claim set the
+/// real handler would. Registered under the same scheme name so controller <c>[Authorize]</c>
+/// attributes resolve without modification.
+/// </summary>
+internal class TestAuthHandler : AuthenticationHandler<AuthenticationSchemeOptions>
+{
+    public const string ViewerIdHeader = "X-Test-Viewer-Id";
+
+    private readonly SVSimDbContext _dbContext;
+
+    public TestAuthHandler(
+        IOptionsMonitor<AuthenticationSchemeOptions> options,
+        ILoggerFactory logger,
+        UrlEncoder encoder,
+        SVSimDbContext dbContext)
+        : base(options, logger, encoder)
+    {
+        _dbContext = dbContext;
+    }
+
+    protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
+    {
+        if (!Request.Headers.TryGetValue(ViewerIdHeader, out var raw))
+        {
+            return AuthenticateResult.NoResult();
+        }
+
+        if (!long.TryParse(raw.ToString(), out long viewerId))
+        {
+            return AuthenticateResult.Fail($"{ViewerIdHeader} is not a valid long.");
+        }
+
+        Viewer? viewer = await _dbContext.Viewers
+            .AsNoTracking()
+            .Include(v => v.SocialAccountConnections)
+            .FirstOrDefaultAsync(v => v.Id == viewerId);
+
+        if (viewer is null)
+        {
+            return AuthenticateResult.Fail($"No viewer with id {viewerId} — test forgot to seed.");
+        }
+
+        Context.SetViewer(viewer);
+
+        var identity = new ClaimsIdentity(SteamAuthenticationConstants.SchemeName);
+        identity.AddClaim(new Claim(ClaimTypes.Name, viewer.DisplayName));
+        identity.AddClaim(new Claim(ShadowverseClaimTypes.ShortUdidClaim, viewer.ShortUdid.ToString()));
+        identity.AddClaim(new Claim(ShadowverseClaimTypes.ViewerIdClaim, viewer.Id.ToString()));
+
+        var steamConnection = viewer.SocialAccountConnections.FirstOrDefault();
+        if (steamConnection is not null)
+        {
+            identity.AddClaim(new Claim(SteamAuthenticationConstants.SteamIdClaim, steamConnection.AccountId.ToString()));
+        }
+
+        var ticket = new AuthenticationTicket(new ClaimsPrincipal(identity), SteamAuthenticationConstants.SchemeName);
+        return AuthenticateResult.Success(ticket);
+    }
+}