feat: 为xeapi重构相关接口以优化密钥获取流程

README.MD

@@ -30,7 +30,7 @@
 
 ## 项目简介
 
-网易云音乐第三方 Node.js API, 支持丰富的音乐相关接口，适合自建服务、二次开发和多平台部署(如果原版诈尸, 我会及时同步 or 归档)。
+网易云音乐第三方 Node.js API, 支持丰富的音乐相关接口，适合自建服务、二次开发和多平台部署
 
 > [!IMPORTANT]
 >
@@ -215,7 +215,7 @@ pnpm test
 
 原作者 [Binaryify/NeteaseCloudMusicApi](https://github.com/binaryify/NeteaseCloudMusicApi) 项目为本项目基础 (该项目在`npmjs`网站上仍持续维护, 但 github 仓库已不再更新)
 
-感谢大佬们为逆向eapi, weapi等加密算法所做的贡献
+感谢大佬们为逆向eapi, weapi, xeapi等加密算法所做的贡献
 
 项目参考:
 

module/register_xeapikey.js

@@ -0,0 +1,74 @@
+const { default: axios } = require('axios')
+const encrypt = require('../util/crypto')
+const { APP_CONF } = require('../util/config.json')
+
+const generateNonce = () => {
+  let nonce = ''
+  for (let i = 0; i < 16; i++) {
+    nonce += Math.floor(Math.random() * 10).toString()
+  }
+  return nonce
+}
+
+module.exports = async (query, request) => {
+  const nonce = generateNonce()
+  const timestamp = String(Date.now())
+  const deviceId = query.deviceId || global.deviceId || ''
+  const currentKeyVersion = query.currentKeyVersion || ''
+
+  const data = {
+    appVersion: '9.1.65',
+    currentKeyVersion,
+    deviceId,
+    nonce,
+    os: 'android',
+    requestType: 'active',
+    signature: encrypt.xeapiSign(timestamp, nonce),
+    t1: '',
+    t2: '',
+    timestamp,
+    uid: '',
+  }
+
+  const res = await axios({
+    method: 'POST',
+    url: APP_CONF.apiDomain + '/api/gorilla/anti/crawler/security/key/get',
+    headers: {
+      'User-Agent':
+        'NeteaseMusic/9.1.65.240927161425(9001065);Dalvik/2.1.0 (Linux; U; Android 14; 23013RK75C Build/UKQ1.230804.001)',
+      Cookie: deviceId ? `deviceId=${encodeURIComponent(deviceId)}` : '',
+    },
+    data: new URLSearchParams(data).toString(),
+    proxy: false,
+  })
+
+  if (
+    !res.data ||
+    res.data.code !== 200 ||
+    !res.data.data ||
+    !res.data.data.encryptedData
+  ) {
+    throw new Error('xeapi public key request failed')
+  }
+  if (
+    !res.data.data.signature ||
+    encrypt.xeapiSign(res.data.data.timestamp, nonce) !==
+      res.data.data.signature
+  ) {
+    throw new Error('xeapi public key response signature mismatch')
+  }
+
+  const publicKey = encrypt.xeapiDecryptPublicKey(res.data.data.encryptedData)
+  if (!publicKey.sk) {
+    throw new Error('xeapi public key response missing sk')
+  }
+
+  return {
+    status: 200,
+    body: {
+      ...publicKey,
+      deviceId,
+    },
+    cookie: [],
+  }
+}

util/config.json

@@ -11,6 +11,7 @@
   },
   "APP_CONF": {
     "apiDomain": "https://interface.music.163.com",
+    "xeapiDomain": "https://interface3.music.163.com",
     "domain": "https://music.163.com",
     "encrypt": true,
     "encryptResponse": false,

util/request.js

@@ -110,7 +110,7 @@ const userAgentMap = {
 // 预先定义常量
 const DOMAIN = APP_CONF.domain
 const API_DOMAIN = APP_CONF.apiDomain
-const XEAPI_DOMAIN = 'https://interface3.music.163.com'
+const XEAPI_DOMAIN = APP_CONF.xeapiDomain
 const ENCRYPT_RESPONSE = APP_CONF.encryptResponse
 const SPECIAL_STATUS_CODES = new Set([201, 302, 400, 502, 800, 801, 802, 803])
 

util/xeapiKey.js

@@ -1,59 +1,15 @@
-const { default: axios } = require('axios')
-const encrypt = require('./crypto')
-const { APP_CONF } = require('./config.json')
-
-const generateNonce = () => {
-  let nonce = ''
-  for (let i = 0; i < 16; i++) {
-    nonce += Math.floor(Math.random() * 10).toString()
-  }
-  return nonce
-}
+const registerXeapiKey = require('../module/register_xeapikey')
 
 const getXeapiPublicKey = async (currentPublicKey = {}, deviceId = '') => {
-  const nonce = generateNonce()
-  const timestamp = String(Date.now())
-  const data = {
-    appVersion: '9.1.65',
-    currentKeyVersion: currentPublicKey.version || '',
-    deviceId,
-    nonce,
-    os: 'android',
-    requestType: 'active',
-    signature: encrypt.xeapiSign(timestamp, nonce),
-    t1: '',
-    t2: '',
-    timestamp,
-    uid: '',
-  }
-  const res = await axios({
-    method: 'POST',
-    url: APP_CONF.apiDomain + '/api/gorilla/anti/crawler/security/key/get',
-    headers: {
-      'User-Agent':
-        'NeteaseMusic/9.1.65.240927161425(9001065);Dalvik/2.1.0 (Linux; U; Android 14; 23013RK75C Build/UKQ1.230804.001)',
-      Cookie: deviceId ? `deviceId=${encodeURIComponent(deviceId)}` : '',
+  const result = await registerXeapiKey(
+    {
+      deviceId,
+      currentKeyVersion: currentPublicKey.version || '',
     },
-    data: new URLSearchParams(data).toString(),
-    proxy: false,
-  })
-  if (
-    !res.data ||
-    res.data.code !== 200 ||
-    !res.data.data ||
-    !res.data.data.encryptedData
-  ) {
-    throw new Error('xeapi public key request failed')
-  }
-  if (
-    !res.data.data.signature ||
-    encrypt.xeapiSign(res.data.data.timestamp, nonce) !==
-      res.data.data.signature
-  ) {
-    throw new Error('xeapi public key response signature mismatch')
-  }
+    null,
+  )
 
-  const publicKey = encrypt.xeapiDecryptPublicKey(res.data.data.encryptedData)
+  const publicKey = result.body
   if (!publicKey.sk && currentPublicKey.sk) {
     publicKey.sk = currentPublicKey.sk
   }