改变排行榜布局，新增更多排行榜

src/main/rendererEvents/index.js

@@ -15,3 +15,5 @@ require('./tray')
 require('./updateSetting')
 
 require('./xm_verify')
+
+require('./kw_decodeLyric')

src/main/rendererEvents/kw_decodeLyric.js

@@ -0,0 +1,45 @@
+const { inflate } = require('zlib')
+const iconv = require('iconv-lite')
+const { mainHandle } = require('../../common/ipc')
+
+const handleInflate = data => new Promise((resolve, reject) => {
+  inflate(data, (err, result) => {
+    if (err) return reject(err)
+    resolve(result)
+  })
+})
+
+const buf_key = Buffer.from('yeelion')
+const buf_key_len = buf_key.length
+
+const decodeLyric = async(buf, isGetLyricx) => {
+  // const info = buf.slice(0, index).toString()
+  // if (!info.startsWith('tp=content')) return null
+  // const isLyric = info.includes('\r\nlrcx=0\r\n')
+  if (buf.toString('utf8', 0, 10) != 'tp=content') return ''
+  // const index = buf.indexOf('\r\n\r\n') + 4
+  const lrcData = await handleInflate(buf.slice(buf.indexOf('\r\n\r\n') + 4))
+
+  if (!isGetLyricx) return iconv.decode(lrcData, 'gb18030')
+
+  const buf_str = Buffer.from(lrcData.toString(), 'base64')
+  const buf_str_len = buf_str.length
+  const output = new Uint16Array(buf_str_len)
+  let i = 0
+  while (i < buf_str_len) {
+    let j = 0
+    while (j < buf_key_len && i < buf_str_len) {
+      output[i] = buf_str[i] ^ buf_key[j]
+      i++
+      j++
+    }
+  }
+
+  return iconv.decode(Buffer.from(output), 'gb18030')
+}
+
+mainHandle('kw_decodeLyric', async(event, { lrcBase64, isGetLyricx }) => {
+  if (!global.mainWindow) throw new Error('mainwindow is undefined')
+  const lrc = await decodeLyric(Buffer.from(lrcBase64, 'base64'), isGetLyricx)
+  return Buffer.from(lrc).toString('base64')
+})