AI Implementation feature(823): Landing Page and Login/Register Modal (#11)

tests/backend/csrf-protected-routes.spec.ts

@@ -0,0 +1,70 @@
+process.env.DATABASE_PATH = ':memory:';
+process.env.THEMES_DIR = './themes';
+process.env.FRONTEND_DIST = './frontend/dist';
+
+import { Test } from '@nestjs/testing';
+import { INestApplication } from '@nestjs/common';
+import { HttpAdapterHost } from '@nestjs/core';
+import cookieParser from 'cookie-parser';
+import * as express from 'express';
+import request from 'supertest';
+import { AppModule } from '../../backend/src/app.module';
+import { GlobalExceptionFilter } from '../../backend/src/common/filters/global-exception.filter';
+import { CsrfMiddleware } from '../../backend/src/common/middleware/csrf.middleware';
+import { ConfigService } from '@nestjs/config';
+import { initDb } from './db-helper';
+
+describe('CSRF: login is now protected', () => {
+  let app: INestApplication;
+
+  beforeAll(async () => {
+    const moduleRef = await Test.createTestingModule({ imports: [AppModule] }).compile();
+    app = moduleRef.createNestApplication();
+    app.use(cookieParser());
+    app.use(express.json({ limit: '1mb' }));
+    const csrfMw = new CsrfMiddleware(app.get(ConfigService));
+    app.use((req: any, res: any, next: any) => csrfMw.use(req, res, next));
+    const httpAdapterHost = app.get(HttpAdapterHost);
+    app.useGlobalFilters(new GlobalExceptionFilter(httpAdapterHost));
+    await app.init();
+    await initDb(app);
+
+    const server = app.getHttpServer();
+    await request(server).post('/api/v1/auth/register-first-admin')
+      .send({ username: 'admin', password: 'Sup3rSecret!Pass' })
+      .expect(201);
+  });
+
+  afterAll(async () => {
+    await app.close();
+  });
+
+  it('rejects POST /api/v1/auth/login without CSRF header', async () => {
+    const server = app.getHttpServer();
+    await request(server)
+      .post('/api/v1/auth/login')
+      .send({ username: 'admin', password: 'Sup3rSecret!Pass' })
+      .expect(403);
+  });
+
+  it('accepts POST /api/v1/auth/login with valid CSRF header', async () => {
+    const server = app.getHttpServer();
+    const prime = await request(server).get('/api/v1/auth/csrf').expect(200);
+    const csrfCookie = (prime.headers['set-cookie'] as unknown as string[] | undefined)?.find((c) => c.startsWith('csrf='));
+    const csrfToken = csrfCookie ? decodeURIComponent(csrfCookie.split(';')[0].split('=')[1]) : '';
+    await request(server)
+      .post('/api/v1/auth/login')
+      .set('Cookie', `csrf=${csrfToken}`)
+      .set('X-CSRF-Token', csrfToken)
+      .send({ username: 'admin', password: 'Sup3rSecret!Pass' })
+      .expect(201);
+  });
+
+  it('still allows /api/v1/auth/register-first-admin without CSRF', async () => {
+    const server = app.getHttpServer();
+    await request(server)
+      .post('/api/v1/auth/register-first-admin')
+      .send({ username: 'noone', password: 'Sup3rSecret!Pass' })
+      .expect(409);
+  });
+});