109 lines
4.0 KiB
JavaScript
109 lines
4.0 KiB
JavaScript
import { httpFetch } from '../request.js'
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import { decodeKrc } from '../../src/common/lyricUtils/kg.js'
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export default {
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getIntv(interval) {
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if (!interval) return 0
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let intvArr = interval.split(':')
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let intv = 0
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let unit = 1
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while (intvArr.length) {
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intv += (intvArr.pop()) * unit
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unit *= 60
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}
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return parseInt(intv)
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},
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// getLyric(songInfo, tryNum = 0) {
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// let requestObj = httpFetch(`http://m.kugou.com/app/i/krc.php?cmd=100&keyword=${encodeURIComponent(songInfo.name)}&hash=${songInfo.hash}&timelength=${songInfo._interval || this.getIntv(songInfo.interval)}&d=0.38664927426725626`, {
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// headers: {
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// 'KG-RC': 1,
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// 'KG-THash': 'expand_search_manager.cpp:852736169:451',
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// 'User-Agent': 'KuGou2012-9020-ExpandSearchManager',
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// },
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// })
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// requestObj.promise = requestObj.promise.then(({ body, statusCode }) => {
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// if (statusCode !== 200) {
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// if (tryNum > 5) return Promise.reject(new Error('歌词获取失败'))
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// let tryRequestObj = this.getLyric(songInfo, ++tryNum)
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// requestObj.cancelHttp = tryRequestObj.cancelHttp.bind(tryRequestObj)
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// return tryRequestObj.promise
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// }
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// return {
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// lyric: body,
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// tlyric: '',
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// }
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// })
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// return requestObj
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// },
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searchLyric(name, hash, time, tryNum = 0) {
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let requestObj = httpFetch(`http://lyrics.kugou.com/search?ver=1&man=yes&client=pc&keyword=${encodeURIComponent(name)}&hash=${hash}&timelength=${time}&lrctxt=1`, {
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headers: {
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'KG-RC': 1,
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'KG-THash': 'expand_search_manager.cpp:852736169:451',
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'User-Agent': 'KuGou2012-9020-ExpandSearchManager',
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},
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})
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requestObj.promise = requestObj.promise.then(({ body, statusCode }) => {
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if (statusCode !== 200) {
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if (tryNum > 5) return Promise.reject(new Error('歌词获取失败'))
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let tryRequestObj = this.searchLyric(name, hash, time, ++tryNum)
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requestObj.cancelHttp = tryRequestObj.cancelHttp.bind(tryRequestObj)
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return tryRequestObj.promise
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}
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if (body.candidates.length) {
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let info = body.candidates[0]
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return { id: info.id, accessKey: info.accesskey, fmt: (info.krctype == 1 && info.contenttype != 1) ? 'krc' : 'lrc' }
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}
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return null
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})
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return requestObj
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},
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getLyricDownload(id, accessKey, fmt, tryNum = 0) {
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let requestObj = httpFetch(`http://lyrics.kugou.com/download?ver=1&client=pc&id=${id}&accesskey=${accessKey}&fmt=${fmt}&charset=utf8`, {
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headers: {
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'KG-RC': 1,
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'KG-THash': 'expand_search_manager.cpp:852736169:451',
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'User-Agent': 'KuGou2012-9020-ExpandSearchManager',
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},
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})
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requestObj.promise = requestObj.promise.then(({ body, statusCode }) => {
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if (statusCode !== 200) {
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if (tryNum > 5) return Promise.reject(new Error('歌词获取失败'))
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let tryRequestObj = this.getLyric(id, accessKey, fmt, ++tryNum)
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requestObj.cancelHttp = tryRequestObj.cancelHttp.bind(tryRequestObj)
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return tryRequestObj.promise
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}
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switch (body.fmt) {
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case 'krc':
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return decodeKrc(body.content)
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case 'lrc':
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return {
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lyric: Buffer.from(body.content, 'base64').toString('utf-8'),
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tlyric: '',
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rlyric: '',
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lxlyric: '',
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}
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default:
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return Promise.reject(new Error(`未知歌词格式: ${body.fmt}`))
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}
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})
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return requestObj
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},
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getLyric(songInfo, tryNum = 0) {
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let requestObj = this.searchLyric(songInfo.name, songInfo.hash, songInfo._interval || this.getIntv(songInfo.interval))
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requestObj.promise = requestObj.promise.then(result => {
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if (!result) return Promise.reject(new Error('Get lyric failed'))
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let requestObj2 = this.getLyricDownload(result.id, result.accessKey, result.fmt)
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requestObj.cancelHttp = requestObj2.cancelHttp.bind(requestObj2)
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return requestObj2.promise
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})
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return requestObj
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},
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}
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