Workflow-App/Workflow/app/api/auth/logout/route.ts
sjcoetzeesj-coder b3eaeb7287 feat(auth): password gate replacing the IP-only middleware guard
middleware.ts previously 404'd every external request, which meant the
app was unusable once hosted. There are no per-user accounts, so this
adds a single-password gate:

- /login page + POST /api/auth/login, POST /api/auth/logout
- lib/auth.ts: HMAC-SHA256 signed session cookie (lib/auth), Web Crypto
  only so the same code runs in Edge middleware and Node handlers
- middleware now admits: the signing flow (unchanged, still public),
  /login + /api/auth/*, local requests, and valid sessions. Everything
  else redirects to /login (pages) or returns 401 JSON (API calls).
- password compared with a constant-time compare, wrong attempts
  delayed 600ms to slow online guessing
- cookie is HttpOnly + SameSite=Lax, 12h, Secure when x-forwarded-proto
  says https (Coolify serves the proxy on http today)

APP_PASSWORD / AUTH_SECRET added to .env.example, with a warning: an
unquoted # in an env value starts a comment, which silently truncated
the first generated password and made login fail.

Verified against a real built server: anon->307 /login, anon API->401,
wrong password->401, correct password->200+cookie, signed-in request
reaches PocketBase, /resign/ still 200 without a cookie, forged
cookie->401.
2026-10-18 18:39:27 +02:00

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TypeScript

// app/api/auth/logout/route.ts
// POST — clears the session cookie.
import { NextRequest, NextResponse } from "next/server";
import { SESSION_COOKIE, sessionCookieOptions } from "@/lib/auth";
export const dynamic = "force-dynamic";
export async function POST(req: NextRequest) {
const res = NextResponse.json({ ok: true });
res.cookies.set(SESSION_COOKIE, "", sessionCookieOptions(req, 0));
return res;
}