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flatrender/services/identity/FlatRender.IdentitySvc/Controllers/InternalController.cs
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soroush.asadi 1f52f53cf7
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feat(render+identity): daily render-limit — consume on submit, refund on admin-stop
Business rule: each user has a daily render limit. Admin-stop refunds the used
charge (not the user's fault); a user's own cancel does not.

- identity: ConsumeRenderChargeAsync / RefundRenderChargeAsync on DailyRemainRenderCount
  with lazy daily reset (mig 24: daily_renders_reset_at). Convention: max=0 ⇒ UNLIMITED,
  so existing 0/0 users keep rendering until an admin sets a real limit.
- identity InternalController (service-token): POST /v1/internal/render-charge/{consume,refund}
- render-svc: identityclient + on Create consume (block 429 when limit reached, fail-open
  on identity outage); on admin Stop refund the job owner; user /cancel unchanged
- compose: IDENTITY_URL for render-svc, ServiceToken for identity-svc

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-03 02:18:00 +03:30

44 lines
1.6 KiB
C#

using FlatRender.IdentitySvc.Application.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
namespace FlatRender.IdentitySvc.Controllers;
/// <summary>Service-to-service endpoints (render-svc → identity). Auth via shared service token,
/// reachable only on the internal network (the gateway does not route /v1/internal).</summary>
[ApiController]
[AllowAnonymous]
[Route("v1/internal")]
public class InternalController(AdminService svc, IConfiguration config) : ControllerBase
{
public record ChargeReq(Guid UserId);
private bool ServiceTokenValid()
{
var expected = config["ServiceToken"] ?? Environment.GetEnvironmentVariable("SERVICE_TOKEN") ?? "internal-service-secret";
var got = Request.Headers["X-Service-Token"].ToString();
if (string.IsNullOrEmpty(got))
{
var auth = Request.Headers["Authorization"].ToString();
if (auth.StartsWith("Bearer ", StringComparison.Ordinal)) got = auth[7..];
}
return !string.IsNullOrEmpty(got) && got == expected;
}
[HttpPost("render-charge/consume")]
public async Task<IActionResult> Consume([FromBody] ChargeReq req)
{
if (!ServiceTokenValid()) return Unauthorized();
var (allowed, remaining) = await svc.ConsumeRenderChargeAsync(req.UserId);
return Ok(new { allowed, remaining });
}
[HttpPost("render-charge/refund")]
public async Task<IActionResult> Refund([FromBody] ChargeReq req)
{
if (!ServiceTokenValid()) return Unauthorized();
await svc.RefundRenderChargeAsync(req.UserId);
return Ok(new { ok = true });
}
}