fix: 修复无法获取真实ip的错误

package.json

@@ -5,7 +5,8 @@
   "scripts": {
     "start": "node --max-old-space-size=200 ./bin/www",
     "dev": "nodemon --max-old-space-size=200 ./bin/www",
-    "test": "nyc -a mocha --recursive"
+    "test": "nyc -a mocha --recursive",
+    "deploy": "flyctl deploy"
   },
   "dependencies": {
     "ali-oss": "^6.17.1",

routes/airportsub.js

@@ -99,7 +99,7 @@ router.get('/cache', async function (req, res, next) {
             const key = Object.keys(database.suburl)[i]
             messages.push({title: 'Download', key, status: res.status})
             const userinfo = res.headers['subscription-userinfo']
-            const base64userinfo = btoa(userinfo)
+            const base64userinfo = Buffer.from(userinfo).toString('base64')
             // 设置强制下载并设置文件名
             headers = {
                 'Content-type': 'text/plain; charset=utf-8',

routes/danmaku.js

@@ -10,6 +10,13 @@ function getscheme(req) {
     return req.headers['x-forwarded-proto'] || req.protocol;
 }
 
+function getClientIp(req) {
+    return req.headers['x-forwarded-for'] ||
+        req.connection.remoteAddress ||
+        req.socket.remoteAddress ||
+        req.connection.socket.remoteAddress;
+}
+
 async function build_response(url) {
     try {
         await axios.get(url)
@@ -38,7 +45,7 @@ async function build_response(url) {
 
 /* GET home page. */
 router.get('/', async function (req, res, next) {
-    leancloud.danmakuAccessAdd({ip: req.ip, url: req.query.url, ua: req.headers['user-agent']})
+    leancloud.danmakuAccessAdd({ip: getClientIp(req), url: req.query.url, ua: req.headers['user-agent']})
     //检查是否包含URL参数
     if (!req.query.url) {
         var urls = [mgtv.example_urls[0], bilibili.example_urls[0], tencentvideo.example_urls[0], youku.example_urls[0], iqiyi.example_urls[0]];