Trax.Api.Auth 1.44.2

Trax.Api authentication and audit

Security disclaimer: read this first

NO WARRANTY FOR SECURITY. Trax.Api.Auth and Trax.Api.GraphQL.Audit are provided AS-IS. Trax, its authors, and contributors are NOT LIABLE for any security breach, credential leak, data loss, or damage arising from systems built on top of these packages. Securing your deployment is the SOLE RESPONSIBILITY OF THE CONSUMER.

Trax auth is plumbing, not a security product. It does not vet the strength of your keys, rotate secrets, detect compromised credentials, enforce TLS, rate-limit abusers, detect replay attacks, or threat-model on your behalf, and it is not a substitute for a professional security review. MIT's NO WARRANTY clause is not a formality: if your deployment is breached, the fault and the fix are yours.

The full disclaimer, including the consumer responsibility checklist, ships in this package as SECURITY-DISCLAIMER.md and is on GitHub: SECURITY-DISCLAIMER.md. Read it before you deploy.

What these packages are

Trax is a .NET framework for building trains (typed pipelines of junctions) with execution logging, scheduling and a GraphQL API. These packages connect ASP.NET Core authentication to the Trax GraphQL API (Trax.Api.GraphQL): every scheme projects the caller into a TraxPrincipal, which [TraxAuthorize] on a train checks and which junctions can inject.

Installation

dotnet add package Trax.Api.GraphQL
dotnet add package Trax.Api.Auth.ApiKey    # or Trax.Api.Auth.Jwt, Trax.Api.Auth.Oidc
dotnet add package Trax.Api.GraphQL.Audit  # optional

Example

An API-key scheme and a JWT scheme on one host, the GraphQL endpoint gated on either, and every request audited:

using Trax.Api.Auth.ApiKey;
using Trax.Api.Auth.Jwt;
using Trax.Api.GraphQL.Audit;
using Trax.Api.GraphQL.Extensions;
using Trax.Effect.Data.Postgres.Extensions;
using Trax.Effect.Extensions;
using Trax.Mediator.Extensions;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddTrax(trax =>
    trax.AddEffects(effects => effects.UsePostgres(connectionString))
        .AddMediator(typeof(Program).Assembly)
);

// Keys come from your secret manager, never from source control.
builder.Services.AddTraxApiKeyAuth(keys => keys
    .Add(builder.Configuration["ApiKeys:Admin"]!, id: "admin", "Admin"));

builder.Services.AddTraxJwtAuth(jwt => jwt.UseAuthority(
    authority: "https://login.example.com",
    audience: "my-api"));

builder.Services.AddAuthorization();

// With no policy name, RequireAuthorization uses TraxAuthClaimTypes.TraxAuthPolicy, which
// every AddTrax*Auth call adds its scheme to: an API key or a JWT is accepted.
builder.Services.AddTraxGraphQL(graphql => graphql
    .RequireAuthorization()
    .AddAudit<MyAuditSink>());

var app = builder.Build();

app.UseAuthentication();
app.UseAuthorization();
app.UseTraxGraphQL();   // maps at /trax/graphql

app.Run();

public sealed class MyAuditSink : ITraxAuditSink
{
    public Task WriteAsync(IReadOnlyList<TraxAuditEntry> batch, CancellationToken ct)
    {
        // Persist the batch. Redact sensitive variables first with an ITraxAuditRedactor.
        return Task.CompletedTask;
    }
}

Per-train authorization uses [TraxAuthorize] on the train class; see Authorization. Subscriptions carry credentials in the connection_init payload; see API Security.

Documentation

• API Security: every scheme, subscription auth, auditing and hardening defaults
• API Auth reference
• Trax documentation
• Source: github.com/TraxSharp/Trax.Api

License

MIT, with the security disclaimer above. See LICENSE.