Bifrost/src/Bifrost.Web/Program.cs
Meta Vens 83daabe512 Bifrost as OIDC issuer for the Matrix chat (gamecult-chat cut bifrost-oidc-issuer, squash of 1ef289a..ec4acfa and abd12b3..)
One configured client (stale clients removed with their tokens and authorizations), Active membership re-checked at token and userinfo through IsStillActiveMemberAsync, PKCE required by the server option, OpenIddict.Server.AspNetCore + EntityFrameworkCore 7.7.1 with no vulnerable transitives. Soul s2, s3 and s4 hold; Low conformance gaps in gamecult-chat:follow_up:oidc-issuer-spec-conformance.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-27 04:57:16 +01:00

664 lines
26 KiB
C#

using System.Net.Http.Headers;
using System.Security.Claims;
using System.Text.Json;
using System.Text.Json.Serialization;
using Bifrost.Web.Configuration;
using Bifrost.Web.Data;
using Bifrost.Web.Domain;
using Bifrost.Web.Features.Bridge;
using Bifrost.Web.Features.ConceptVotes;
using Bifrost.Web.Features.GitHub;
using Bifrost.Web.Features.Heimdall;
using Bifrost.Web.Features.Membership;
using Bifrost.Web.Features.Motions;
using Bifrost.Web.Features.Oidc;
using Bifrost.Web.Features.Patronage;
using Bifrost.Web.Features.Shared;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Authentication.OAuth;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.HttpLogging;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
using System.Net;
// Host command: registers Mill concept subjects with configuration and the database only; no web app, no migrations.
if (args.Length > 0 && args[0] == "concepts")
{
var host = Host.CreateApplicationBuilder([]);
host.Services.AddDbContext<BifrostDbContext>(options => options.UseNpgsql(BifrostConnectionString(host.Configuration)));
host.Services.AddSingleton(TimeProvider.System);
host.Services.AddScoped<AuditTrailService>();
host.Services.AddScoped<ConceptSubjectRegistry>();
using var commandHost = host.Build();
Environment.ExitCode = await ConceptCommand.RunAsync(args[1..], commandHost.Services, Console.Out);
return;
}
static string BifrostConnectionString(IConfiguration configuration) =>
configuration.GetConnectionString("Bifrost")
?? "Host=127.0.0.1;Database=bifrost;Username=postgres;Password=postgres";
var builder = WebApplication.CreateBuilder(args);
builder.Services
.AddOptions<GitHubOAuthOptions>()
.BindConfiguration(GitHubOAuthOptions.SectionName);
builder.Services
.AddOptions<GitHubAppOptions>()
.BindConfiguration(GitHubAppOptions.SectionName);
builder.Services
.AddOptions<BootstrapOptions>()
.BindConfiguration(BootstrapOptions.SectionName);
builder.Services
.AddOptions<BifrostHostOptions>()
.BindConfiguration(BifrostHostOptions.SectionName);
builder.Services
.AddOptions<HeimdallOptions>()
.BindConfiguration(HeimdallOptions.SectionName);
builder.Services
.AddOptions<StripeOptions>()
.BindConfiguration(StripeOptions.SectionName);
builder.Services
.AddOptions<BridgeOptions>()
.BindConfiguration(BridgeOptions.SectionName);
builder.Services
.AddOptions<ConceptVoteOptions>()
.BindConfiguration(ConceptVoteOptions.SectionName);
builder.Services.AddRazorPages(options =>
{
options.Conventions.AuthorizePage("/Membership/Status");
options.Conventions.AuthorizeFolder("/App", ActiveMemberRequirement.PolicyName);
options.Conventions.AllowAnonymousToFolder("/Mill");
});
builder.Services.ConfigureHttpJsonOptions(options =>
{
options.SerializerOptions.Converters.Add(new JsonStringEnumConverter());
});
builder.Services.AddDbContext<BifrostDbContext>(options =>
{
options.UseNpgsql(BifrostConnectionString(builder.Configuration));
});
builder.Services.AddHttpLogging(options =>
{
options.LoggingFields =
HttpLoggingFields.RequestMethod |
HttpLoggingFields.RequestPath |
HttpLoggingFields.ResponseStatusCode |
HttpLoggingFields.Duration;
});
builder.Services.AddHttpContextAccessor();
builder.Services.AddSingleton(TimeProvider.System);
builder.Services.AddScoped<ICurrentBifrostActorAccessor, CurrentBifrostActorAccessor>();
builder.Services.AddScoped<AuditTrailService>();
builder.Services.AddScoped<DashboardSnapshotService>();
builder.Services.AddScoped<BridgeActionService>();
builder.Services.AddScoped<AgentDispatchRunService>();
builder.Services.AddScoped<AgentTransportReceiptService>();
builder.Services.AddScoped<GovernanceActivityReceiptService>();
builder.Services.AddScoped<MembershipSynchronizationService>();
builder.Services.AddScoped<BifrostIdentityService>();
builder.Services.AddScoped<GitHubWebhookService>();
builder.Services.AddScoped<MotionGovernanceService>();
builder.Services.AddScoped<MotionEveSurfaceService>();
builder.Services.AddScoped<PatronageService>();
builder.Services.AddScoped<StripeWebhookService>();
builder.Services.AddScoped<HeimdallPatronSupportIntakeService>();
builder.Services.AddScoped<ConceptAppraisalService>();
builder.Services.AddScoped<VoterKeyResolver>();
builder.Services.AddSingleton<ConceptVoteRateLimits>();
builder.Services.AddScoped<ConceptSubjectRegistry>();
builder.Services.AddScoped<ReadinessService>();
builder.Services.AddScoped<ApplicationBootstrapper>();
builder.Services.AddSingleton<StartupConfigurationValidator>();
builder.Services.AddScoped<IAuthorizationHandler, ActiveMemberAuthorizationHandler>();
builder.Services.AddHttpClient<HeimdallAuthService>((serviceProvider, client) =>
HeimdallAuthService.ConfigureClient(client, serviceProvider.GetRequiredService<IOptions<HeimdallOptions>>().Value))
.RedactLoggedHeaders(header => string.Equals(header, HeimdallAuthService.AppSecretHeader, StringComparison.OrdinalIgnoreCase));
builder.Services.AddSingleton<HeimdallTokenVerifier>();
builder.Services.AddHttpClient(HeimdallTokenVerifier.ClientName, (serviceProvider, client) =>
HeimdallTokenVerifier.ConfigureClient(client, serviceProvider.GetRequiredService<IOptions<HeimdallOptions>>().Value));
builder.Services.AddHttpClient<StripeCheckoutService>(client =>
{
client.BaseAddress = new Uri("https://api.stripe.com/");
});
var dataProtectionBuilder = builder.Services
.AddDataProtection()
.SetApplicationName("Bifrost");
var dataProtectionKeysPath = builder.Configuration["DataProtection:KeysPath"];
if (!string.IsNullOrWhiteSpace(dataProtectionKeysPath))
{
dataProtectionBuilder.PersistKeysToFileSystem(new DirectoryInfo(dataProtectionKeysPath));
}
// nginx on this host is the only proxy, and it connects from loopback. Trusting exactly
// those addresses keeps a direct client from choosing its own address with X-Forwarded-For.
builder.Services.Configure<ForwardedHeadersOptions>(options =>
{
options.ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
options.KnownNetworks.Clear();
options.KnownProxies.Clear();
options.KnownProxies.Add(IPAddress.Loopback);
options.KnownProxies.Add(IPAddress.IPv6Loopback);
options.KnownProxies.Add(IPAddress.Loopback.MapToIPv6());
options.ForwardLimit = 1;
});
var configuredGitHubOAuthOptions = builder.Configuration
.GetSection(GitHubOAuthOptions.SectionName)
.Get<GitHubOAuthOptions>() ?? new GitHubOAuthOptions();
var authenticationBuilder = builder.Services
.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
.AddCookie(options =>
{
options.LoginPath = "/auth/sign-in";
options.AccessDeniedPath = "/Membership/Status";
options.SlidingExpiration = true;
});
if (configuredGitHubOAuthOptions.IsConfigured)
{
authenticationBuilder.AddOAuth(GitHubAuthenticationDefaults.AuthenticationScheme, options =>
{
options.ClientId = configuredGitHubOAuthOptions.ClientId;
options.ClientSecret = configuredGitHubOAuthOptions.ClientSecret;
options.CallbackPath = configuredGitHubOAuthOptions.CallbackPath;
options.AuthorizationEndpoint = "https://github.com/login/oauth/authorize";
options.TokenEndpoint = "https://github.com/login/oauth/access_token";
options.UserInformationEndpoint = "https://api.github.com/user";
options.SaveTokens = true;
options.Scope.Add("read:user");
options.Scope.Add("user:email");
options.ClaimActions.MapJsonKey(ClaimTypes.NameIdentifier, "id");
options.ClaimActions.MapJsonKey(ClaimTypes.Name, "login");
options.ClaimActions.MapJsonKey(BifrostClaimTypes.GitHubLogin, "login");
options.ClaimActions.MapJsonKey(BifrostClaimTypes.DisplayName, "name");
options.ClaimActions.MapJsonKey(BifrostClaimTypes.AvatarUrl, "avatar_url");
options.Events = new OAuthEvents
{
OnCreatingTicket = async context =>
{
using var request = new HttpRequestMessage(HttpMethod.Get, context.Options.UserInformationEndpoint);
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/vnd.github+json"));
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", context.AccessToken);
request.Headers.UserAgent.ParseAdd("Bifrost");
using var response = await context.Backchannel.SendAsync(
request,
HttpCompletionOption.ResponseHeadersRead,
context.HttpContext.RequestAborted);
response.EnsureSuccessStatusCode();
await using var payloadStream = await response.Content.ReadAsStreamAsync(context.HttpContext.RequestAborted);
using var payload = await JsonDocument.ParseAsync(payloadStream, cancellationToken: context.HttpContext.RequestAborted);
context.RunClaimActions(payload.RootElement);
}
};
});
}
builder.Services.AddAuthorization(options =>
{
options.AddPolicy(ActiveMemberRequirement.PolicyName, policy =>
{
policy.RequireAuthenticatedUser();
policy.AddRequirements(new ActiveMemberRequirement());
});
});
builder.Services.AddConceptTallyCors();
// The OIDC provider is mapped only when Bifrost:Oidc is configured; a configured provider that cannot load its keys stops startup.
var oidcOptions = OidcIssuerOptions.FromConfiguration(builder.Configuration);
if (oidcOptions is not null)
{
builder.Services.AddBifrostOidc(oidcOptions);
}
var app = builder.Build();
var appJsonSerializerOptions = CreateAppJsonSerializerOptions();
app.Services.GetRequiredService<StartupConfigurationValidator>().Validate();
await using (var scope = app.Services.CreateAsyncScope())
{
await scope.ServiceProvider
.GetRequiredService<ApplicationBootstrapper>()
.RunAsync(CancellationToken.None);
}
app.UseForwardedHeaders();
if (!app.Environment.IsDevelopment())
{
app.UseExceptionHandler("/Error");
app.UseHsts();
}
app.UseHttpLogging();
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();
app.UseConceptTallyCors();
app.UseAuthentication();
app.UseMiddleware<GitHubMembershipSynchronizationMiddleware>();
app.UseAuthorization();
app.MapGet("/healthz", () => Results.Text("ok")).AllowAnonymous();
app.MapGet("/readyz", async (ReadinessService readinessService, CancellationToken cancellationToken) =>
{
var report = await readinessService.GetReportAsync(cancellationToken);
return report.IsReady
? Results.Text("ready")
: Results.Text(
string.Join(Environment.NewLine, report.Failures),
statusCode: StatusCodes.Status503ServiceUnavailable);
}).AllowAnonymous();
app.MapConceptTallyExport();
if (oidcOptions is not null)
{
app.MapBifrostOidc();
}
app.MapPost("/github/webhooks", async (
HttpRequest request,
GitHubWebhookService gitHubWebhookService,
CancellationToken cancellationToken) =>
{
using var reader = new StreamReader(request.Body);
var payload = await reader.ReadToEndAsync(cancellationToken);
var eventName = request.Headers["X-GitHub-Event"].ToString();
var deliveryId = request.Headers["X-GitHub-Delivery"].ToString();
var signature = request.Headers["X-Hub-Signature-256"].ToString();
var result = await gitHubWebhookService.ProcessAsync(
eventName,
deliveryId,
signature,
payload,
cancellationToken);
return result.Status switch
{
GitHubWebhookProcessStatus.Processed => Results.Text(result.Message, statusCode: StatusCodes.Status202Accepted),
GitHubWebhookProcessStatus.Ignored => Results.Text(result.Message),
GitHubWebhookProcessStatus.NotConfigured => Results.Text(
result.Message,
statusCode: StatusCodes.Status503ServiceUnavailable),
_ => Results.Text(
result.Message,
statusCode: StatusCodes.Status401Unauthorized)
};
}).AllowAnonymous();
app.MapGet("/auth/sign-in", async (HttpContext httpContext, IOptions<GitHubOAuthOptions> gitHubOptions) =>
{
var returnPath = LocalReturnPath.Parse(httpContext.Request.Query["returnUrl"].ToString());
var provider = httpContext.Request.Query["provider"].ToString();
if (string.IsNullOrWhiteSpace(provider))
{
await WriteSignInChooserAsync(httpContext, returnPath.Value);
return;
}
if (!provider.Equals("github", StringComparison.OrdinalIgnoreCase))
{
httpContext.Response.Redirect($"/auth/heimdall/{Uri.EscapeDataString(provider)}?returnUrl={Uri.EscapeDataString(returnPath.Value)}");
return;
}
if (!gitHubOptions.Value.IsConfigured)
{
httpContext.Response.Redirect("/?auth=github-not-configured");
return;
}
await httpContext.ChallengeAsync(
GitHubAuthenticationDefaults.AuthenticationScheme,
new() { RedirectUri = returnPath.Value });
}).AllowAnonymous();
app.MapPost("/auth/bifrost/register", async (
NativeBifrostRegistrationRequest request,
HttpContext httpContext,
BifrostIdentityService bifrostIdentityService,
CancellationToken cancellationToken) =>
{
try
{
var userAccount = await bifrostIdentityService.RegisterNativeAsync(
request.Identity,
request.DisplayName,
cancellationToken);
await httpContext.SignInAsync(
CookieAuthenticationDefaults.AuthenticationScheme,
bifrostIdentityService.BuildPrincipal(userAccount));
var returnUrl = string.IsNullOrWhiteSpace(request.ReturnUrl) ? "/App" : request.ReturnUrl;
return JsonResult(
new NativeBifrostRegistrationResponse(
userAccount.Id,
userAccount.BifrostIdentity,
userAccount.DisplayName,
userAccount.Membership?.Status.ToString() ?? MembershipStatus.Authenticated.ToString(),
returnUrl),
appJsonSerializerOptions);
}
catch (BifrostIdentityException error)
{
return Results.Text(error.Message, statusCode: StatusCodes.Status400BadRequest);
}
}).AllowAnonymous();
app.MapGet("/auth/heimdall/{provider}", async (
string provider,
HttpContext httpContext,
HeimdallAuthService heimdallAuthService,
IOptions<BifrostHostOptions> hostOptions,
ILogger<HeimdallAuthService> logger,
CancellationToken cancellationToken) =>
{
try
{
var returnPath = LocalReturnPath.Parse(httpContext.Request.Query["returnUrl"].ToString());
var requireMemberAccess = string.Equals(
httpContext.Request.Query["access"].ToString(),
"member",
StringComparison.OrdinalIgnoreCase);
var start = await heimdallAuthService.StartAsync(
provider,
hostOptions.Value.PublicBaseUrl,
returnPath,
requireMemberAccess,
httpContext.Request.Cookies,
cancellationToken);
httpContext.Response.Cookies.Append(start.CookieName, start.CookieValue, HeimdallAttemptCookie.Options());
return Results.Redirect(start.AuthorizationUrl.ToString());
}
catch (HeimdallAuthException error)
{
logger.LogWarning("Heimdall start refused: {Reason}", error.Message);
return Results.Redirect(HeimdallAuthService.ErrorRedirect);
}
}).AllowAnonymous();
app.MapPost("/heimdall/patron-support/events", async (
HttpRequest request,
HeimdallPatronSupportIntakeService intakeService,
CancellationToken cancellationToken) =>
{
using var reader = new StreamReader(request.Body);
var payload = await reader.ReadToEndAsync(cancellationToken);
var signature = request.Headers["X-Heimdall-Signature-256"].ToString();
var result = await intakeService.ProcessAsync(signature, payload, cancellationToken);
return result.Status switch
{
HeimdallPatronSupportIntakeStatus.Processed => Results.Text(
result.Message,
statusCode: StatusCodes.Status202Accepted),
HeimdallPatronSupportIntakeStatus.BadRequest => Results.BadRequest(result.Message),
HeimdallPatronSupportIntakeStatus.NotConfigured => Results.Text(
result.Message,
statusCode: StatusCodes.Status503ServiceUnavailable),
_ => Results.Text(result.Message, statusCode: StatusCodes.Status401Unauthorized)
};
}).AllowAnonymous();
app.MapGet("/patronage/{project}/checkout", async (
string project,
HttpRequest request,
ICurrentBifrostActorAccessor actorAccessor,
StripeCheckoutService stripeCheckoutService,
CancellationToken cancellationToken) =>
{
var amountCentsText = request.Query["amountCents"].ToString();
if (!int.TryParse(amountCentsText, out var amountCents))
{
return Results.Text(
"Missing or invalid required amountCents query parameter.",
statusCode: StatusCodes.Status400BadRequest);
}
var item = request.Query["item"].ToString();
if (string.IsNullOrWhiteSpace(item))
{
return Results.Text(
"Missing required item query parameter.",
statusCode: StatusCodes.Status400BadRequest);
}
var actor = await actorAccessor.GetAsync(cancellationToken);
if (!actor.IsAuthenticated || actor.UserAccount is null)
{
var returnUrl = Uri.EscapeDataString($"{request.Path}{request.QueryString}");
return Results.Redirect($"/auth/sign-in?returnUrl={returnUrl}");
}
var result = await stripeCheckoutService.CreateProjectDonationCheckoutAsync(
new StripeDonationCheckoutRequest(
project,
request.Query["project"].ToString(),
item,
amountCents,
request.Query["currency"].ToString(),
request.Query["source"].ToString()),
actor.UserAccount,
cancellationToken);
return result.Status switch
{
StripeCheckoutStatus.Created => Results.Redirect(result.CheckoutUrl!.ToString()),
StripeCheckoutStatus.InvalidRequest => Results.Text(
result.Message,
statusCode: StatusCodes.Status400BadRequest),
StripeCheckoutStatus.UnknownProject => Results.Text(
result.Message,
statusCode: StatusCodes.Status404NotFound),
StripeCheckoutStatus.NotConfigured => Results.Text(
result.Message,
statusCode: StatusCodes.Status503ServiceUnavailable),
_ => Results.Text(
result.Message,
statusCode: StatusCodes.Status502BadGateway)
};
}).AllowAnonymous();
app.MapPost("/patronage/stripe/webhook", async (
HttpRequest request,
StripeWebhookService webhookService,
CancellationToken cancellationToken) =>
{
using var reader = new StreamReader(request.Body);
var payload = await reader.ReadToEndAsync(cancellationToken);
var signature = request.Headers["Stripe-Signature"].ToString();
var result = await webhookService.ProcessAsync(signature, payload, cancellationToken);
return result.Status switch
{
StripeWebhookStatus.Processed => Results.Text(
result.Message,
statusCode: StatusCodes.Status202Accepted),
StripeWebhookStatus.Ignored => Results.Text(result.Message),
StripeWebhookStatus.BadRequest => Results.BadRequest(result.Message),
StripeWebhookStatus.NotConfigured => Results.Text(
result.Message,
statusCode: StatusCodes.Status503ServiceUnavailable),
_ => Results.Text(result.Message, statusCode: StatusCodes.Status401Unauthorized)
};
}).AllowAnonymous();
var eveGovernance = app.MapGroup("/eve/governance")
.RequireAuthorization(ActiveMemberRequirement.PolicyName);
eveGovernance.MapGet("/surface", async (
ICurrentBifrostActorAccessor actorAccessor,
MotionGovernanceService motionGovernanceService,
MotionEveSurfaceService motionEveSurfaceService,
CancellationToken cancellationToken) =>
{
var actor = await actorAccessor.GetAsync(cancellationToken);
var state = await motionGovernanceService.GetStateAsync(actor, cancellationToken);
var surface = motionEveSurfaceService.BuildSurface(state);
return Results.Text(
JsonSerializer.Serialize(surface, appJsonSerializerOptions),
"application/json");
});
app.MapGet("/auth/heimdall/complete", (HttpContext httpContext) =>
{
httpContext.Response.Headers.CacheControl = "no-store";
httpContext.Response.Headers["Referrer-Policy"] = "no-referrer";
return Results.Content(HeimdallCompletePage.Html, "text/html", System.Text.Encoding.UTF8);
}).AllowAnonymous();
app.MapPost("/auth/heimdall/complete", async (
HttpContext httpContext,
HeimdallAuthService heimdallAuthService,
IOptions<BifrostHostOptions> hostOptions,
ILogger<HeimdallAuthService> logger,
CancellationToken cancellationToken) =>
{
var form = await ReadFormOrNullAsync(httpContext.Request, cancellationToken);
var attempt = form?["attempt"].ToString();
var held = heimdallAuthService.FindAttemptCookie(httpContext.Request.Cookies, attempt);
try
{
var signIn = await heimdallAuthService.CompleteAsync(
hostOptions.Value.PublicBaseUrl,
attempt,
held?.Value,
form?["code"].ToString(),
cancellationToken);
await httpContext.SignInAsync(CookieAuthenticationDefaults.AuthenticationScheme, signIn.Principal);
httpContext.Response.Cookies.Delete(held!.Value.Name, HeimdallAttemptCookie.DeleteOptions());
return Results.LocalRedirect(signIn.ReturnPath.Value);
}
catch (HeimdallAuthException error)
{
logger.LogWarning("Heimdall completion refused: {Reason}", error.Message);
if (held is not null)
{
httpContext.Response.Cookies.Delete(held.Value.Name, HeimdallAttemptCookie.DeleteOptions());
}
return Results.Redirect(HeimdallAuthService.ErrorRedirect);
}
}).AllowAnonymous();
app.MapPost("/auth/sign-out", async (HttpContext httpContext) =>
{
await httpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
httpContext.Response.Redirect("/");
}).AllowAnonymous();
app.MapRazorPages();
app.Run();
static IResult JsonResult<T>(T value, JsonSerializerOptions options, int statusCode = StatusCodes.Status200OK) =>
Results.Text(
JsonSerializer.Serialize(value, options),
"application/json",
statusCode: statusCode);
static async Task<IFormCollection?> ReadFormOrNullAsync(HttpRequest request, CancellationToken cancellationToken)
{
if (!request.HasFormContentType)
{
return null;
}
try
{
return await request.ReadFormAsync(cancellationToken);
}
catch (Exception error) when (error is InvalidDataException or BadHttpRequestException)
{
return null;
}
}
static async Task WriteSignInChooserAsync(HttpContext httpContext, string returnUrl)
{
httpContext.Response.ContentType = "text/html; charset=utf-8";
var encodedReturnUrl = Uri.EscapeDataString(returnUrl);
var escapedReturnUrl = System.Net.WebUtility.HtmlEncode(returnUrl);
await httpContext.Response.WriteAsync($$"""
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Sign in - Bifrost</title>
<style>
body { margin: 0; min-height: 100svh; display: grid; place-items: center; background: #090908; color: #fff8ef; font-family: system-ui, sans-serif; }
main { width: min(92vw, 520px); padding: 28px; border: 1px solid rgba(255,248,239,.16); border-radius: 8px; background: #141110; }
h1 { margin: 0 0 10px; font-size: 2rem; line-height: 1; }
p { color: #c7b8ad; }
.providers { display: grid; gap: 10px; margin-top: 22px; }
a { display: flex; justify-content: space-between; align-items: center; min-height: 46px; padding: 0 14px; border-radius: 6px; background: #c43e4f; color: white; text-decoration: none; font-weight: 750; }
a.secondary { background: rgba(255,248,239,.08); border: 1px solid rgba(255,248,239,.22); }
small { color: #d9ad66; }
</style>
</head>
<body>
<main>
<small>Transport identity</small>
<h1>Create or use a Bifrost patron account</h1>
<p>Choose a provider to attach this checkout to a Bifrost account. Patron accounts do not automatically grant active member access.</p>
<div class="providers">
<a href="/auth/sign-in?provider=github&returnUrl={{encodedReturnUrl}}">GitHub <span>OAuth</span></a>
<a class="secondary" href="/auth/heimdall/discord?returnUrl={{encodedReturnUrl}}">Discord <span>Heimdall</span></a>
<a class="secondary" href="/auth/heimdall/patreon?returnUrl={{encodedReturnUrl}}">Patreon <span>Heimdall</span></a>
<a class="secondary" href="/auth/heimdall/twitch?returnUrl={{encodedReturnUrl}}">Twitch <span>Heimdall</span></a>
</div>
<p><small>After sign-in, Bifrost returns you to {{escapedReturnUrl}}.</small></p>
</main>
</body>
</html>
""");
}
static JsonSerializerOptions CreateAppJsonSerializerOptions()
{
var options = new JsonSerializerOptions(JsonSerializerDefaults.Web);
options.Converters.Add(new JsonStringEnumConverter());
return options;
}
public partial class Program;
public sealed record NativeBifrostRegistrationRequest(
string Identity,
string? DisplayName,
string? ReturnUrl);
public sealed record NativeBifrostRegistrationResponse(
Guid UserAccountId,
string BifrostIdentity,
string DisplayName,
string MembershipStatus,
string ReturnUrl);