feat(qs): PC 签名改双模式供给,签名工具链迁出独立仓库 qs-signer

- mssdk.ts:进程内 bdms.node 加载移除;优先 QS_SIGN_SERVER 调签名服务
  (兼容 qs-signer 仓库 server.mjs 与 mssdk-sign 两个实现,/sign 契约互通),
  无服务时 QS_HELIOS/QS_MEDUSA 或 data/qs-sign.json 固定值兜底,都没有走安卓自签
- musicSearch:PC 通道签名失败/请求异常/风控空结果自动降级安卓通道(原为同通道重试)
- signer/、tools/mssdk-sign/、scripts/qs-local-login.mjs 迁至 qs-signer
  (gitea.4i.hk/hhhge/qs-signer),soda-mssdk/ 二进制目录一并挪走
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snowy-yang committed 2026-10-03 20:45:22 +08:00
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@@ -1,107 +1,141 @@
// 汽水官方 PC 客户端签名(X-Helios / X-Medusa)—— 可选增强,缺原生模块时整体降级
//
// 原理:直接复用官方客户端自带的原生模块 bdms.node(官方 main 进程就是
// bdms.init({ deviceId }) → generateHttpSignatureHeaders(url, "名字\r\n值\r\n…"),
// 把返回的 name/value 成对写回请求头)。与 sodahub-org/libmssdk 同一套做法,
// 区别是我们进程内加载,不另起 HTTP 签名服务。
// 汽水 PC 通道签名(X-Helios / X-Medusa)—— 两种供给方式,按优先级:
// 1) 签名服务器:环境变量 QS_SIGN_SERVER 指向签名服务(如 http://127.0.0.1:8899,
// 可选 QS_SIGN_TOKEN 配 Bearer 鉴权),HTTP POST /sign。
// 契约同时兼容独立仓库 qs-signer(gitea.4i.hk/hhhge/qs-signer,本地与 MusicServer 同级)
// 的两个服务(请求 {url, headers, body?},响应 {ok, headers, added?}):
// - server.mjs (Wine + bdms.node)
// - mssdk-sign/ (metasecml.dll 独立进程,见其 README)
// 2) 固定值兜底:无签名服务器时,两个加密头直接用抓包固定值 ——
// 环境变量 QS_HELIOS / QS_MEDUSA,或 data/qs-sign.json:
// { "helios": "…", "medusa": "…", "device_id": "…", "install_id": "…" }
// 签名与设备/URL 绑定:固定值必须搭配抓包时的同一套 device_id/install_id
// (json 里带上即自动对齐 URL 参数),时效自负,被风控时走安卓通道兜底。
// 两者都没有:PC 通道不可用,搜索/取流自动走安卓自签通道。
// 官方只对 qishui.com 且 **非** /passport/、非 /ttwid/ 的请求签名 —— 登录链路用不到本模块。
// 签名覆盖 URL + 全部请求头;POST 的 x-ss-stub(body 的 MD5 大写)既是签名输入也要随请求发出。
//
// 原生文件(官方客户端二进制,专有、不入库、不再分发)放置位置任选其一:
// 1) 环境变量 QS_MSSDK_DIR 指向同时含 bdms.node 与 metasecml.dll 的目录
// 2) 仓库根 soda-mssdk/(已 gitignore)
// 3) 本机已安装的官方客户端:%LOCALAPPDATA%\Programs\Soda Music\<版本>\resources\app.asar.unpacked
// 从安装包提取:官方 SodaMusic-v*-official-win32_x64.exe → Bandizip 解 NSIS →
// $Var31/app.7z → resources/app.asar.unpacked/{bdms.node, metasecml.dll}
import { createRequire } from 'node:module'
import { existsSync, readdirSync } from 'node:fs'
import { existsSync, readFileSync } from 'node:fs'
import { dirname, join } from 'node:path'
import { fileURLToPath } from 'node:url'
import { getDeviceIds } from './device.ts'
const require = createRequire(import.meta.url)
const MODULE_NAME = 'bdms.node'
const CLIENT_DIR_NAMES = ['Soda Music', 'SodaMusic', '汽水音乐']
// 仓库根(本文件在 sdk/qs/ 下)——不依赖 process.cwd(),从任何目录启动都能找到
const REPO_ROOT = join(dirname(fileURLToPath(import.meta.url)), '..', '..')
const FIXED_SIGN_FILE = join(REPO_ROOT, 'data', 'qs-sign.json')
const SIGN_TIMEOUT = 5000
const findModuleDir = (): string | null => {
const candidates: string[] = []
if (process.env.QS_MSSDK_DIR) candidates.push(process.env.QS_MSSDK_DIR)
candidates.push(join(REPO_ROOT, 'soda-mssdk'))
const localAppData = process.env.LOCALAPPDATA
if (localAppData) {
for (const name of CLIENT_DIR_NAMES) {
const root = join(localAppData, 'Programs', name)
if (!existsSync(root)) continue
try {
for (const ver of readdirSync(root)) candidates.push(join(root, ver, 'resources', 'app.asar.unpacked'))
} catch {
// 读不到目录就跳过
/** 固定值配置(helios/medusa 必填;device_id/install_id 应与抓包时同一套) */
interface FixedSignConfig {
helios: string
medusa: string
deviceId: string
installId: string
}
let fixedConfigWarned = false
/** 读固定值:环境变量 QS_HELIOS/QS_MEDUSA 优先,其次 data/qs-sign.json;没有返回 null */
const readFixedConfig = (): FixedSignConfig | null => {
const envHelios = process.env.QS_HELIOS?.trim()
const envMedusa = process.env.QS_MEDUSA?.trim()
if (envHelios && envMedusa) {
return {
helios: envHelios,
medusa: envMedusa,
deviceId: process.env.QS_SIGN_DEVICE_ID?.trim() ?? '',
installId: process.env.QS_SIGN_INSTALL_ID?.trim() ?? '',
}
}
if (!existsSync(FIXED_SIGN_FILE)) return null
try {
const data = JSON.parse(readFileSync(FIXED_SIGN_FILE, 'utf8')) as Record<string, unknown>
const helios = String(data.helios ?? '').trim()
const medusa = String(data.medusa ?? '').trim()
if (helios && medusa) {
return {
helios,
medusa,
deviceId: String(data.device_id ?? '').trim(),
installId: String(data.install_id ?? '').trim(),
}
}
}
return candidates.find(dir => dir && existsSync(join(dir, MODULE_NAME))) ?? null
}
interface BdmsModule {
init: (options: { deviceId: string }) => unknown
generateHttpSignatureHeaders: (url: string, headersLines: string) => string
}
let signer: { module: BdmsModule; deviceId: string; dir: string } | null | undefined
/** 懒加载官方签名模块(失败只提示一次,之后一律按不可用处理) */
const loadSigner = () => {
if (signer !== undefined) return signer
signer = null
try {
const dir = findModuleDir()
if (!dir) return signer
const mod = require(join(dir, MODULE_NAME)) as BdmsModule
if (typeof mod?.init !== 'function' || typeof mod?.generateHttpSignatureHeaders !== 'function') {
console.log(`[qs/mssdk] ${MODULE_NAME} 导出不符合预期,按不可用处理`)
return signer
if (!fixedConfigWarned) {
fixedConfigWarned = true
console.log(`[qs/mssdk] ${FIXED_SIGN_FILE} 缺少 helios/medusa 字段,固定值模式不启用`)
}
const { deviceId } = getDeviceIds()
mod.init({ deviceId })
signer = { module: mod, deviceId, dir }
console.log(`[qs/mssdk] 官方签名模块已加载: ${dir} (device_id=${deviceId})`)
} catch (err: any) {
console.log(`[qs/mssdk] 官方签名模块不可用,降级: ${err?.message ?? err}`)
if (!fixedConfigWarned) {
fixedConfigWarned = true
console.log(`[qs/mssdk] 固定值配置解析失败: ${err?.message ?? err}`)
}
}
return signer
return null
}
/** 官方签名是否可用(不影响主流程,仅决定走 PC 通道还是安卓通道) */
export const mssdkAvailable = (): boolean => Boolean(loadSigner())
type SignMode =
| { kind: 'server'; server: string; token: string }
| { kind: 'fixed'; fixed: FixedSignConfig }
/** 签名时绑定的设备(与请求 URL 里的 device_id/iid 必须一致) */
export const mssdkDeviceId = (): string => loadSigner()?.deviceId ?? ''
/** 当前签名供给方式:签名服务器 > 固定值 > 不可用(null) */
const loadSignMode = (): SignMode | null => {
const server = process.env.QS_SIGN_SERVER?.trim().replace(/\/+$/, '')
if (server) return { kind: 'server', server, token: process.env.QS_SIGN_TOKEN?.trim() ?? '' }
const fixed = readFixedConfig()
return fixed ? { kind: 'fixed', fixed } : null
}
/** PC 签名是否可用(只看配置;服务器宕机等运行期失败由签名调用返回 null、调用方降级处理) */
export const mssdkAvailable = (): boolean => Boolean(loadSignMode())
const signViaServer = async (
server: string,
token: string,
url: string,
headers: Record<string, string>,
body?: string,
): Promise<Record<string, string> | null> => {
try {
const res = await fetch(`${server}/sign`, {
method: 'POST',
headers: {
'content-type': 'application/json',
...(token ? { authorization: `Bearer ${token}` } : {}),
},
body: JSON.stringify({ url, headers, body }),
signal: AbortSignal.timeout(SIGN_TIMEOUT),
})
const json = await res.json().catch(() => null) as any
if (!res.ok || !json?.ok) {
console.log(`[qs/mssdk] 签名服务返回异常: HTTP ${res.status} ${json?.error ?? ''}`.trim())
return null
}
// signer/server.mjs 把 x-ss-stub 并进 headers,mssdk-sign 放 added —— 合并即可
const signed: Record<string, string> = { ...(json.headers ?? {}), ...(json.added ?? {}) }
if (!signed['X-Helios'] && !signed['x-helios']) {
console.log('[qs/mssdk] 签名结果缺少 X-Helios')
return null
}
return signed
} catch (err: any) {
console.log(`[qs/mssdk] 签名服务不可达: ${err?.message ?? err}`)
return null
}
}
/**
* 给一个 qishui.com 请求签名
* @param headers 必须是「真实要发出去的那一份」(含 cookie / x-ss-stub)
* @returns 需追加的头;不可用时返回 null(调用方走原通道)
* @param body POST body(给了且 headers 没带 x-ss-stub 时服务端会自动补)
* @returns 需追加的头;不可用时返回 null(调用方走安卓通道)
*/
export const signQishuiRequest = (url: string, headers: Record<string, string>): Record<string, string> | null => {
const current = loadSigner()
if (!current) return null
try {
const lines = Object.entries(headers)
.filter(([name, value]) => name && value != null)
.map(([name, value]) => `${name}\r\n${value}`)
.join('\r\n')
const fields = String(current.module.generateHttpSignatureHeaders(url, lines)).split('\r\n').filter(Boolean)
const signed: Record<string, string> = {}
for (let i = 0; i + 1 < fields.length; i += 2) signed[fields[i]] = fields[i + 1]
if (!signed['X-Helios'] && !signed['x-helios']) return null
return signed
} catch (err: any) {
console.log(`[qs/mssdk] 签名失败,本次降级: ${err?.message ?? err}`)
return null
}
export const signQishuiRequest = async (
url: string,
headers: Record<string, string>,
body?: string,
): Promise<Record<string, string> | null> => {
const mode = loadSignMode()
if (!mode) return null
if (mode.kind === 'fixed') return { 'X-Helios': mode.fixed.helios, 'X-Medusa': mode.fixed.medusa }
return signViaServer(mode.server, mode.token, url, headers, body)
}
/** 官方 PC 端 UA(签名与 UA 绑定同一客户端版本) */
@@ -109,7 +143,12 @@ export const PC_UA = 'LunaPC/3.7.0(452316191)'
/** 官方 PC 端公共查询参数(与签名设备成套;track_v2 / search 等 luna_pc 接口共用) */
export const pcCommonParams = (): Record<string, string> => {
const { deviceId, installId } = getDeviceIds()
const mode = loadSignMode()
// 固定值是针对抓包设备签的,必须用配套设备;服务器现签则用本地设备(URL 带什么签什么)
const fixedDevice = mode?.kind === 'fixed' && mode.fixed.deviceId ? mode.fixed : null
const { deviceId, installId } = fixedDevice
? { deviceId: fixedDevice.deviceId, installId: fixedDevice.installId }
: getDeviceIds()
return {
aid: '386088',
app_name: 'luna_pc',
@@ -135,4 +174,4 @@ export const pcCommonParams = (): Record<string, string> => {
}
}
export default { mssdkAvailable, mssdkDeviceId, signQishuiRequest, pcCommonParams, PC_UA }
export default { mssdkAvailable, signQishuiRequest, pcCommonParams, PC_UA }