更换kw歌词获取方式

src/main/rendererEvents/index.js

@@ -26,7 +26,7 @@ require('./nativeTheme')
 
 if (isWin) require('./taskbar')
 
-// require('./kw_decodeLyric')
+require('./kw_decodeLyric')
 
 require('./userApi')
 require('./sync')

src/renderer/utils/music/kw/index.js

@@ -40,7 +40,7 @@ const kw = {
   comment,
   getLyric(songInfo, isGetLyricx) {
     // let singer = songInfo.singer.indexOf('、') > -1 ? songInfo.singer.split('、')[0] : songInfo.singer
-    return lyric.getLyric(songInfo.songmid, isGetLyricx)
+    return lyric.getLyric(songInfo, isGetLyricx)
   },
   handleMusicInfo(songInfo) {
     return this.getMusicInfo(songInfo).then(info => {

src/renderer/utils/music/kw/lyric.js

@@ -1,6 +1,8 @@
 import { httpFetch } from '../../request'
+import { decodeLyric } from './util'
 import { decodeName } from '../../index'
 
+/*
 export default {
   formatTime(time) {
     let m = parseInt(time / 60)
@@ -63,33 +65,99 @@ export default {
     return requestObj
   },
 }
+ */
 
+const buf_key = Buffer.from('yeelion')
+const buf_key_len = buf_key.length
+const buildParams = (id, isGetLyricx) => {
+  let params = `user=12345,web,web,web&requester=localhost&req=1&rid=MUSIC_${id}`
+  if (isGetLyricx) params += '&lrcx=1'
+  const buf_str = Buffer.from(params)
+  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_key[j] ^ buf_str[i]
+      i++
+      j++
+    }
+  }
+  return Buffer.from(output).toString('base64')
+}
 
-/* export default {
-  lrcInfoRxp: /<lyric>(.+?)<\/lyric>[\s\S]+<lyric_zz>(.+?)<\/lyric_zz>/,
-  parseLyricInfo(str) {
-    let result = str.match(this.lrcInfoRxp)
-    return result ? { lyric: result[1], lyric_zz: result[2] } : null
+// console.log(buildParams('207527604', false))
+// console.log(buildParams('207527604', true))
+
+const timeExp = /^\[([\d:.]*)\]{1}/g
+export default {
+  sortLrcArr(arr) {
+    const lrcSet = new Set()
+    let lrc = []
+    let lrcT = []
+
+    for (const item of arr) {
+      if (lrcSet.has(item.time)) {
+        const tItem = lrc.pop()
+        tItem.time = lrc[lrc.length - 1].time
+        lrcT.push(tItem)
+        lrc.push(item)
+      } else {
+        lrc.push(item)
+        lrcSet.add(item.time)
+      }
+    }
+
+    if (lrcT.length && lrc.length > lrcT.length) {
+      const tItem = lrc.pop()
+      tItem.time = lrc[lrc.length - 1].time
+      lrcT.push(tItem)
+    }
+
+    return {
+      lrc,
+      lrcT,
+    }
   },
-  getLyric(songId, isGetLyricx = false) {
-    const requestObj = httpFetch(`http://player.kuwo.cn/webmusic/st/getNewMuiseByRid?rid=MUSIC_${songId}`)
-    requestObj.promise = requestObj.promise.then(({ statusCode, body }) => {
-      console.log(body)
-      if (statusCode != 200) return Promise.reject(new Error(JSON.stringify(body)))
-      let info = this.parseLyricInfo(body)
-      if (!info) return Promise.reject(new Error(JSON.stringify(body)))
-      Object.assign(requestObj, httpFetch(`http://newlyric.kuwo.cn/newlyric.lrc?${isGetLyricx ? info.lyric_zz : info.lyric}`))
-      return requestObj.promise.then(({ statusCode, body, raw }) => {
-        if (statusCode != 200) return Promise.reject(new Error(JSON.stringify(body)))
-        return decodeLyric({ lrcBase64: raw.toString('base64'), isGetLyricx }).then(base64Data => {
-          return {
-            lyric: Buffer.from(base64Data, 'base64').toString(),
-            tlyric: '',
-          }
+  transformLrc(songinfo, lrclist) {
+    return `[ti:${songinfo.name ?? ''}]\n[ar:${songinfo.singer ?? ''}]\n[al:${songinfo.albumName ?? ''}]\n[by:]\n[offset:0]\n${lrclist ? lrclist.map(l => `[${l.time}]${l.text}\n`).join('') : '暂无歌词'}`
+  },
+  parseLrc(musicInfo, lrc) {
+    const lines = lrc.split(/\r\n|\r|\n/)
+    let lrcArr = []
+    for (let i = 0; i < lines.length; i++) {
+      const line = lines[i].trim()
+      let result = timeExp.exec(line)
+      if (result) {
+        const text = line.replace(timeExp, '').trim()
+        lrcArr.push({
+          time: RegExp.$1,
+          text,
         })
+      }
+    }
+    const lrcInfo = this.sortLrcArr(lrcArr)
+    return {
+      lyric: decodeName(this.transformLrc(musicInfo, lrcInfo.lrc)),
+      tlyric: lrcInfo.lrcT.length ? decodeName(this.transformLrc(musicInfo, lrcInfo.lrcT)) : '',
+    }
+  },
+  getLyric(musicInfo, isGetLyricx = false) {
+    const requestObj = httpFetch(`http://newlyric.kuwo.cn/newlyric.lrc?${buildParams(musicInfo.songmid, isGetLyricx)}`)
+    requestObj.promise = requestObj.promise.then(({ statusCode, body, raw }) => {
+      if (statusCode != 200) return Promise.reject(new Error(JSON.stringify(body)))
+      return decodeLyric({ lrcBase64: raw.toString('base64'), isGetLyricx }).then(base64Data => {
+        let lrcInfo
+        try {
+          lrcInfo = this.parseLrc(musicInfo, Buffer.from(base64Data, 'base64').toString())
+        } catch {
+          return Promise.reject(new Error('Get lyric failed'))
+        }
+        // console.log(lrcInfo)
+        return lrcInfo
       })
     })
     return requestObj
   },
 }
- */

src/renderer/utils/music/kw/util.js

@@ -1,5 +1,5 @@
 import { httpGet, httpFetch } from '../../request'
-// import { rendererInvoke, NAMES } from '../../../../common/ipc'
+import { rendererInvoke, NAMES } from '@common/ipc'
 
 const kw_token = {
   token: null,
@@ -54,7 +54,7 @@ export const getToken = (retryNum = 0) => new Promise((resolve, reject) => {
   })
 })
 
-// export const decodeLyric = base64Data => rendererInvoke(NAMES.mainWindow.handle_kw_decode_lyric, base64Data)
+export const decodeLyric = base64Data => rendererInvoke(NAMES.mainWindow.handle_kw_decode_lyric, base64Data)
 
 export const tokenRequest = async(url, options = {}) => {
   let token = kw_token.token