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判定按状态码白名单而不是只认 200：探测不带鉴权，OpenAI 回 401、Anthropic 回 405 才是正常应答，说明 TLS 握手、路由、目标服务全都正常。清单和白名单照 sub2api 的 代理质量检查抄来。 失败文案不照抄 Bun：本机端口没人监听时它给的是「Unable to connect. Is the computer able to access the url?」，把矛头指向目标网址，而真正的原因在本机。 对话框留在 InboundDetail 而不是提到 RouterPage——它不写配置文件也不改内核状态， 不需要走那条 commit 链路。firstPort 挪进 shared/inbounds.ts，两个页面都要用它了。
121 lines
3.9 KiB
TypeScript
121 lines
3.9 KiB
TypeScript
import { describe, expect, test } from 'bun:test'
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import {
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describeProbeFailure,
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findTarget,
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isChallenge,
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judge,
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rayId,
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REACH_TARGETS,
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} from './reachability.ts'
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const openai = REACH_TARGETS[0]!
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const gemini = REACH_TARGETS[2]!
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const headers = (init: Record<string, string> = {}) => new Headers(init)
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describe('REACH_TARGETS', () => {
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test('标识不重名，否则接口按 id 取目标会取错', () => {
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const ids = REACH_TARGETS.map((t) => t.id)
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expect(new Set(ids).size).toBe(ids.length)
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})
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test('findTarget 认不出来的标识返回 null', () => {
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expect(findTarget('openai')?.label).toBe('OpenAI')
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expect(findTarget('nonesuch')).toBeNull()
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})
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})
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describe('judge', () => {
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test('无鉴权探测拿到 401 算可达，并说明这是预期结果', () => {
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const { verdict, message } = judge(openai, 401, headers(), '')
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expect(verdict).toBe('reachable')
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expect(message).toBe('HTTP 401，目标可达')
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})
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test('2xx 不需要解释，只报状态码', () => {
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expect(judge(gemini, 200, headers(), '{}')).toEqual({
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verdict: 'reachable',
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message: 'HTTP 200',
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})
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})
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test('白名单之外的状态码算不通', () => {
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const { verdict, message } = judge(gemini, 403, headers(), '')
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expect(verdict).toBe('unreachable')
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expect(message).toBe('HTTP 403，不是预期的状态码')
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})
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test('429 单独说是限流，不和连不上混在一起', () => {
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expect(judge(openai, 429, headers(), '').verdict).toBe('throttled')
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})
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test('Cloudflare 拦截优先于状态码白名单', () => {
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// 429 在 openai 的白名单外，但结论要是 challenge 而不是 throttled：
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// 前者要换出口 IP，后者只要等
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const { verdict, message } = judge(
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openai,
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429,
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headers({ 'cf-mitigated': 'challenge', 'cf-ray': '8f0a1b2c3d4e5f60-LAX' }),
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'',
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)
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expect(verdict).toBe('challenge')
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expect(message).toContain('8f0a1b2c3d4e5f60-LAX')
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})
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})
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describe('isChallenge', () => {
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test('只有 403 和 429 才可能是拦截页', () => {
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const body = '<html>window._cf_chl_opt</html>'
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expect(isChallenge(403, headers(), body)).toBe(true)
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expect(isChallenge(429, headers(), body)).toBe(true)
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expect(isChallenge(200, headers(), body)).toBe(false)
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})
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test('没有 cf-mitigated 头时认正文里的标记', () => {
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expect(isChallenge(403, headers(), '<title>Just a Moment...</title>')).toBe(true)
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})
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test('普通的 403 不是拦截页', () => {
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expect(isChallenge(403, headers(), '{"error":"forbidden"}')).toBe(false)
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})
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test('正文只看前 4 KB，标记在那之后不算', () => {
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expect(isChallenge(403, headers(), 'x'.repeat(5000) + 'just a moment')).toBe(false)
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})
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})
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describe('rayId', () => {
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test('优先取响应头', () => {
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expect(rayId(headers({ 'cf-ray': ' abc123-LAX ' }), 'cf-ray: zzz')).toBe('abc123-LAX')
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})
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test('没有响应头时从正文里找', () => {
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expect(rayId(headers(), 'Cloudflare Ray ID: <code>cf-ray: abc123</code>')).toBe('abc123')
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})
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test('都没有就是空串', () => {
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expect(rayId(headers(), 'nothing here')).toBe('')
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})
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})
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describe('describeProbeFailure', () => {
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test('超时说等了多久', () => {
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const error = new Error('timed out')
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error.name = 'TimeoutError'
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expect(describeProbeFailure(7890, 10_000, error)).toBe('10 秒内没有响应')
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})
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test('本机端口没人监听时指向内核，不照抄 Bun 那句指向目标网址的话', () => {
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const error = Object.assign(new Error('Unable to connect. Is the computer able to access the url?'), {
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code: 'ConnectionRefused',
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})
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expect(describeProbeFailure(7890, 10_000, error)).toBe('本机 7890 端口没有响应，内核可能没在运行')
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})
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test('其余原因照原文给出，不猜', () => {
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expect(describeProbeFailure(7890, 10_000, new Error('TLS handshake failed'))).toBe(
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'连接失败：TLS handshake failed',
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)
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})
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})
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