Files
accounted/lib/auth/__tests__/turnstile.test.ts
T
Mattsson 328ccda10d fix: protect public Auth flows from automated abuse (#1904)
* fix: add Turnstile to public auth flows

* test: isolate Turnstile auth tests
2026-08-25 19:14:06 +02:00

130 lines
4.8 KiB
TypeScript

import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { readFileSync } from 'node:fs'
import path from 'node:path'
import { eventBus } from '@/lib/events/bus'
import {
captchaTokenOptions,
getTurnstileRolloutState,
isTurnstileSubmissionBlocked,
resolveTurnstileSiteKey,
} from '../turnstile'
const readRepoFile = (file: string) =>
readFileSync(path.join(process.cwd(), file), 'utf8')
beforeEach(() => {
vi.clearAllMocks()
eventBus.clear()
})
afterEach(() => {
vi.unstubAllEnvs()
})
describe('Turnstile rollout state', () => {
it('keeps Auth available while the public site key is absent', () => {
expect(resolveTurnstileSiteKey(undefined)).toBeNull()
expect(resolveTurnstileSiteKey('')).toBeNull()
expect(resolveTurnstileSiteKey(' ')).toBeNull()
expect(getTurnstileRolloutState(undefined)).toBe('disabled')
expect(isTurnstileSubmissionBlocked(null, undefined)).toBe(false)
})
it('treats an unsubstituted Docker sentinel as disabled', () => {
const sentinel = '__NEXT_PUBLIC_TURNSTILE_SITE_KEY__'
expect(resolveTurnstileSiteKey(sentinel)).toBeNull()
expect(getTurnstileRolloutState(sentinel)).toBe('disabled')
expect(isTurnstileSubmissionBlocked(null, sentinel)).toBe(false)
})
it('fails closed after the client site key is configured', () => {
const siteKey = ' public-site-key '
expect(resolveTurnstileSiteKey(siteKey)).toBe('public-site-key')
expect(getTurnstileRolloutState(siteKey)).toBe('client-enabled')
expect(isTurnstileSubmissionBlocked(null, siteKey)).toBe(true)
expect(isTurnstileSubmissionBlocked('', siteKey)).toBe(true)
expect(isTurnstileSubmissionBlocked('verified-token', siteKey)).toBe(false)
})
it('reads the runtime-substituted environment value at call time', () => {
vi.stubEnv('NEXT_PUBLIC_TURNSTILE_SITE_KEY', '')
expect(getTurnstileRolloutState()).toBe('disabled')
vi.stubEnv('NEXT_PUBLIC_TURNSTILE_SITE_KEY', 'runtime-site-key')
expect(getTurnstileRolloutState()).toBe('client-enabled')
})
it('forwards only a non-empty token to Supabase Auth', () => {
expect(captchaTokenOptions(null)).toEqual({})
expect(captchaTokenOptions(undefined)).toEqual({})
expect(captchaTokenOptions(' ')).toEqual({})
expect(captchaTokenOptions(' token-value ')).toEqual({
captchaToken: 'token-value',
})
})
})
describe('Turnstile integration contract', () => {
it('protects every public Supabase Auth flow in scope', () => {
const login = readRepoFile('app/(auth)/login/login-client.tsx')
const register = readRepoFile('app/(auth)/register/page.tsx')
const sandbox = readRepoFile('app/sandbox/page.tsx')
expect(login).toMatch(
/signInWithPassword\([\s\S]*?options: captchaTokenOptions\(passwordCaptchaToken\)/,
)
expect(login).toMatch(
/resetPasswordForEmail\([\s\S]*?captchaTokenOptions\(resetCaptchaToken\)/,
)
expect(login).toContain('action="accounted_login"')
expect(login).toContain('action="accounted_password_reset"')
expect(register).toMatch(
/signUp\([\s\S]*?captchaTokenOptions\(captchaToken\)/,
)
expect(register).toContain('action="accounted_signup"')
expect(sandbox).toMatch(
/signInAnonymously\([\s\S]*?captchaTokenOptions\(captchaToken\)/,
)
expect(sandbox).toContain('action="accounted_sandbox"')
})
it('keeps the public key, CSP, and Docker runtime contract in sync', () => {
const envExample = readRepoFile('.env.example')
const dockerEnvExample = readRepoFile('.env.docker.example')
const dockerfile = readRepoFile('Dockerfile')
const entrypoint = readRepoFile('docker-entrypoint.sh')
const nextConfig = readRepoFile('next.config.ts')
expect(envExample).toContain('NEXT_PUBLIC_TURNSTILE_SITE_KEY=')
expect(dockerEnvExample).toContain('NEXT_PUBLIC_TURNSTILE_SITE_KEY=')
expect(dockerfile).toContain(
'NEXT_PUBLIC_TURNSTILE_SITE_KEY=__NEXT_PUBLIC_TURNSTILE_SITE_KEY__',
)
expect(entrypoint).toContain('__NEXT_PUBLIC_TURNSTILE_SITE_KEY__')
expect(nextConfig).toContain('https://challenges.cloudflare.com')
expect(nextConfig).toMatch(/script-src[\s\S]*?turnstileOrigin/)
expect(nextConfig).toMatch(/frame-src[\s\S]*?turnstileOrigin/)
expect(envExample).not.toContain('TURNSTILE_SECRET_KEY')
expect(dockerEnvExample).not.toContain('TURNSTILE_SECRET_KEY')
})
it('ships matching Swedish and English challenge messages', () => {
const swedish = JSON.parse(readRepoFile('messages/sv.json')).auth
const english = JSON.parse(readRepoFile('messages/en.json')).auth
const keys = [
'turnstile_checking',
'turnstile_required',
'turnstile_error',
]
for (const key of keys) {
expect(swedish[key]).toBeTypeOf('string')
expect(swedish[key]).not.toBe('')
expect(english[key]).toBeTypeOf('string')
expect(english[key]).not.toBe('')
}
})
})