加上 HTTP 接口层和令牌认证
接口分三类:配置读写走保护链路,内核状态和只读透传,静态字段表。 透传用白名单而不是黑名单——写操作属于运行时面板,等做到那步再单独开, 现在不留一个什么都能转发的口子。 令牌即便在只监听本机时也强制校验:同一台机器上跑着容器和别的服务, 「只监听 127.0.0.1」不等于「只有你能访问」。比较用常数时间,避免靠响应耗时猜。 scripts/api-smoke.ts 对着真服务和真内核跑 17 项检查,端到端确认过 改配置之后内核会重载、新端口真的被监听起来。
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@@ -0,0 +1,104 @@
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/**
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* 接口冒烟测试:对着真的服务和真的内核,把每类响应走一遍。
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*
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* 重点在认证和边界——这两块出错的后果比功能不好用严重得多:令牌校验写歪了等于没有认证,
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* 透传白名单漏了等于把内核的全部接口暴露出去。
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*
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* 前置条件:
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* 1. 本地测试内核在跑(见 .env.example)
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* 2. Patchbay 在跑:bun run server/index.ts
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*
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* 用法:bun run scripts/api-smoke.ts [令牌]
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* 不给令牌就从配置文件旁边的 .patchbay-token 读。
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*/
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import { readFile } from 'node:fs/promises'
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import { dirname, join } from 'node:path'
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import { readEnv } from '../server/env.ts'
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import type { ConfigObject } from '../vendor/config-editor/index.ts'
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const env = readEnv()
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const base = `http://${env.host}:${String(env.port)}`
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const token =
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process.argv[2] ??
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(await readFile(join(dirname(env.configPath), '.patchbay-token'), 'utf8')).trim()
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let failures = 0
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function check(name: string, actual: unknown, expected: unknown) {
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if (JSON.stringify(actual) === JSON.stringify(expected)) {
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console.log(`✓ ${name}`)
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} else {
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failures += 1
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console.log(`✗ ${name}\n 期望 ${JSON.stringify(expected)},实际 ${JSON.stringify(actual)}`)
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}
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}
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async function call(method: string, path: string, body?: unknown, auth = true) {
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const res = await fetch(base + path, {
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method,
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headers: {
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...(auth ? { Authorization: `Bearer ${token}` } : {}),
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'Content-Type': 'application/json',
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},
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body: body === undefined ? undefined : JSON.stringify(body),
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})
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const text = await res.text()
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return { status: res.status, body: text ? (JSON.parse(text) as Record<string, unknown>) : null }
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}
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const clone = (v: unknown) => JSON.parse(JSON.stringify(v)) as ConfigObject
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// ── 认证与边界 ──────────────────────────────────────────
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check('没带令牌被拒', (await call('GET', '/api/config', undefined, false)).status, 401)
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check(
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'令牌不对被拒',
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(await fetch(`${base}/api/config`, { headers: { Authorization: 'Bearer wrong' } })).status,
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401,
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)
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check('白名单外的透传被拒', (await call('GET', '/api/kernel/configs/geo')).status, 403)
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check('不存在的接口', (await call('GET', '/api/nope')).status, 404)
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check('非 api 路径', (await call('GET', '/index.html')).status, 404)
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// ── 配置读写 ────────────────────────────────────────────
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const snapshot = await call('GET', '/api/config')
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check('读配置', snapshot.status, 200)
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const data = snapshot.body!.data as ConfigObject
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const revision = snapshot.body!.revision as string
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const stale = clone(data)
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stale.mode = 'global'
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check(
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'基准过时被拒',
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(await call('PUT', '/api/config', { data: stale, baseRevision: '过时的指纹' })).status,
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409,
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)
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const dangling = clone(data)
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dangling.listeners = [{ name: '冒烟-断引用', type: 'mixed', port: 17899, proxy: '不存在的出站' }]
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const danglingResult = await call('PUT', '/api/config', { data: dangling, baseRevision: revision })
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check('断引用被自己的检查拦下', danglingResult.status, 422)
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check('拦在 self-check 这一步', danglingResult.body?.stage, 'self-check')
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const badType = clone(data)
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badType.listeners = [{ name: '冒烟-怪类型', type: '不是合法类型', port: 17898 }]
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const badTypeResult = await call('PUT', '/api/config', { data: badType, baseRevision: revision })
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check('非法类型被内核拦下', badTypeResult.status, 422)
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check('拦在 kernel-check 这一步', badTypeResult.body?.stage, 'kernel-check')
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const good = clone(data)
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good.listeners = [{ name: '冒烟-正常', type: 'mixed', port: 17896, proxy: 'PROXY' }]
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const goodResult = await call('PUT', '/api/config', { data: good, baseRevision: revision })
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check('正常写入', goodResult.status, 200)
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check('内核已重载', goodResult.body?.reloaded, true)
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// ── 其余 ────────────────────────────────────────────────
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check('备份列表可读', (await call('GET', '/api/config/backups')).status, 200)
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check('内核状态可读', (await call('GET', '/api/kernel')).body?.online, true)
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check('内核透传可用', (await call('GET', '/api/kernel/version')).status, 200)
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check(
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'字段表可读',
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Object.keys(((await call('GET', '/api/meta/listener-fields')).body?.types ?? {}) as object).length,
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20,
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)
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console.log(failures === 0 ? '\n全部通过' : `\n${String(failures)} 项没通过`)
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process.exit(failures === 0 ? 0 : 1)
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@@ -0,0 +1,52 @@
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/**
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* 访问令牌。
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*
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* Patchbay 默认只监听 127.0.0.1,远程访问走 SSH 隧道。即便如此仍然要认证——
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* 同一台机器上跑着别的服务(比如容器里的进程)时,「只监听本机」并不等于「只有你能访问」。
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*
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* 令牌可以用环境变量 PATCHBAY_TOKEN 指定;没指定就在首次启动时生成一个,
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* 存到配置文件旁边的 .patchbay-token 里,并打印在控制台上。
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*/
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import { chmod, readFile, writeFile } from 'node:fs/promises'
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import { dirname, join } from 'node:path'
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import type { Env } from './env.ts'
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export async function resolveToken(env: Env): Promise<{ token: string; source: string }> {
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const fromEnv = Bun.env.PATCHBAY_TOKEN
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if (fromEnv) return { token: fromEnv, source: '环境变量 PATCHBAY_TOKEN' }
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const path = join(dirname(env.configPath), '.patchbay-token')
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try {
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const saved = (await readFile(path, 'utf8')).trim()
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if (saved) return { token: saved, source: path }
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} catch {
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// 文件不存在,往下走去生成一个
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}
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const token = crypto.randomUUID().replaceAll('-', '')
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await writeFile(path, `${token}\n`, 'utf8')
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// 令牌等同于密码,不该让同机器上的其他用户读到。Windows 上 chmod 基本无效,失败就算了。
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await chmod(path, 0o600).catch(() => {})
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return { token, source: `${path}(新生成)` }
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}
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/**
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* 常数时间比较,避免通过响应耗时逐字节猜出令牌。
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*
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* 长度不同直接返回 false 会泄漏长度,但令牌长度本来就是固定且公开的,无所谓。
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*/
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export function tokenMatches(expected: string, given: string | null): boolean {
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if (!given || given.length !== expected.length) return false
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let diff = 0
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for (let i = 0; i < expected.length; i += 1) {
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diff |= expected.charCodeAt(i) ^ given.charCodeAt(i)
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}
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return diff === 0
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}
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/** 从请求里取令牌,支持 Authorization 头和查询参数(后者给 WebSocket 用)。 */
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export function tokenFromRequest(req: Request): string | null {
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const header = req.headers.get('Authorization')
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if (header?.startsWith('Bearer ')) return header.slice(7)
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return new URL(req.url).searchParams.get('token')
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}
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@@ -0,0 +1,54 @@
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/**
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* 启动入口。
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*
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* 启动时把该报的问题一次报清楚:环境变量缺没缺、配置文件读不读得到、内核在不在线。
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* 配置类工具最糟糕的失败方式是界面能打开、点了保存才发现根本连不上。
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*/
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import { readEnv } from './env.ts'
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import { resolveToken } from './auth.ts'
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import { createRouter } from './routes.ts'
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import { readConfig } from './config-store.ts'
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import { kernelVersion } from './kernel.ts'
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const env = readEnv()
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const { token, source } = await resolveToken(env)
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// 先确认配置文件读得到、解析得动。读不到就没必要往下走了。
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try {
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const snapshot = await readConfig(env)
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const errors = snapshot.diagnostics.filter((d) => d.severity === 'error')
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console.log(`配置文件 ${env.configPath}`)
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if (errors.length > 0) {
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console.log(` 解析出 ${String(errors.length)} 个问题,界面上会标出来:`)
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for (const e of errors) console.log(` ${e.path.join('.')}:${e.message}`)
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}
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} catch (error) {
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console.error(`读不到配置文件 ${env.configPath}`)
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console.error(String(error))
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console.error('检查 .env 里的 PATCHBAY_CONFIG 指对了没有,以及这个进程有没有读权限。')
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process.exit(1)
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}
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const kernel = await kernelVersion(env)
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console.log(
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kernel.online
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? `内核 在线 ${kernel.version ?? ''}(${env.mihomoApi})`
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: `内核 连不上 ${env.mihomoApi}——界面仍然能编辑配置,但看不到订阅里的线路,也无法重载`,
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)
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const handle = createRouter(env, token)
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const server = Bun.serve({
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hostname: env.host,
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port: env.port,
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fetch: handle,
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})
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console.log(`令牌 ${token}`)
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console.log(` 来自 ${source}`)
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console.log(`Patchbay http://${server.hostname}:${String(server.port)}`)
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if (env.host === '127.0.0.1') {
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console.log(` 只监听本机。从别的机器访问请开隧道:`)
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console.log(` ssh -N -L ${String(env.port)}:127.0.0.1:${String(env.port)} 用户名@这台机器`)
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} else {
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console.log(` ⚠ 监听在 ${env.host},本机之外也能访问。确认这是你要的。`)
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}
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@@ -0,0 +1,106 @@
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/**
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* HTTP 接口。
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*
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* 分成三类:
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* /api/config* 配置文件的读写,走 config-store 那条保护链路
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* /api/kernel/* 内核状态,以及对管理接口的只读透传
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* /api/meta/* 静态数据,比如入站类型的字段表
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*
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* 透传只开放 GET。写操作(切换节点、关连接)属于运行时面板的功能,等做到那一步再单独开,
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* 现在不留一个「什么都能转发」的口子。
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*/
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import listenerFields from '../shared/listener-fields.json' with { type: 'json' }
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import { applyConfig, listBackups, readConfig, restoreBackup } from './config-store.ts'
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import { kernelVersion, proxyGet } from './kernel.ts'
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import { tokenFromRequest, tokenMatches } from './auth.ts'
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import type { ConfigObject } from '../vendor/config-editor/index.ts'
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import type { Env } from './env.ts'
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/** 允许透传的管理接口路径。白名单而不是黑名单——多开一个口子要有意为之。 */
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const READABLE_KERNEL_PATHS = new Set([
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'/version',
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'/configs',
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'/proxies',
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'/providers/proxies',
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'/rules',
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'/providers/rules',
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'/connections',
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'/memory',
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])
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function json(body: unknown, status = 200): Response {
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return new Response(JSON.stringify(body), {
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status,
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headers: { 'Content-Type': 'application/json; charset=utf-8' },
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})
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}
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/** 把落盘失败的结果翻译成 HTTP 响应。状态码按「谁的问题」分。 */
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function applyFailureStatus(stage: string): number {
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if (stage === 'stale') return 409 // 冲突,客户端该刷新重来
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if (stage === 'self-check' || stage === 'kernel-check') return 422 // 内容不合法
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return 500 // write / reload:服务端或内核的问题
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}
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export function createRouter(env: Env, token: string) {
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return async function handle(req: Request): Promise<Response> {
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const url = new URL(req.url)
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const path = url.pathname
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if (!path.startsWith('/api/')) return json({ error: '没有这个接口' }, 404)
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if (!tokenMatches(token, tokenFromRequest(req))) {
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return json({ error: '令牌不对。它在配置文件旁边的 .patchbay-token 里。' }, 401)
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}
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// ── 配置 ────────────────────────────────────────────
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if (path === '/api/config' && req.method === 'GET') {
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const snapshot = await readConfig(env)
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return json(snapshot)
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}
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if (path === '/api/config' && req.method === 'PUT') {
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const body = (await req.json()) as { data?: ConfigObject; baseRevision?: string }
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if (!body.data || typeof body.data !== 'object') {
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return json({ error: '请求里没有 data 字段' }, 400)
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}
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const result = await applyConfig(env, body.data, body.baseRevision)
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return result.ok ? json(result) : json(result, applyFailureStatus(result.stage))
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}
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if (path === '/api/config/backups' && req.method === 'GET') {
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return json({ backups: await listBackups(env) })
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}
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const restoreMatch = /^\/api\/config\/backups\/([^/]+)\/restore$/.exec(path)
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if (restoreMatch && req.method === 'POST') {
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const name = decodeURIComponent(restoreMatch[1]!)
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const result = await restoreBackup(env, name)
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return result.ok ? json(result) : json(result, applyFailureStatus(result.stage))
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}
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// ── 内核 ────────────────────────────────────────────
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if (path === '/api/kernel' && req.method === 'GET') {
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return json(await kernelVersion(env))
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}
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if (path.startsWith('/api/kernel/') && req.method === 'GET') {
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const target = path.slice('/api/kernel'.length)
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if (!READABLE_KERNEL_PATHS.has(target)) {
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return json({ error: `不允许透传这个路径:${target}` }, 403)
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}
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const upstream = await proxyGet(env, target + url.search)
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return new Response(upstream.body, {
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status: upstream.status,
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headers: { 'Content-Type': upstream.headers.get('Content-Type') ?? 'application/json' },
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})
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}
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// ── 静态数据 ────────────────────────────────────────
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if (path === '/api/meta/listener-fields' && req.method === 'GET') {
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return json(listenerFields)
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}
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return json({ error: '没有这个接口' }, 404)
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}
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}
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