LaoShui 92df6e13a0 refactor(cloud): 重构文件处理逻辑并提取辅助函数
- 将文件大小、MD5计算等逻辑提取到 fileHelper 工具模块
- 使用统一的文件扩展名和文件名处理函数
- 简化临时文件处理和清理逻辑
- 统一文件上传数据获取方式
- 移除重复的文件操作代码并提高可维护性
2026-02-18 20:19:46 +08:00

194 lines
5.2 KiB
JavaScript

const { default: axios } = require('axios')
const fs = require('fs')
var xml2js = require('xml2js')
const createOption = require('../util/option.js')
const { getFileExtension, readFileChunk } = require('../util/fileHelper')
var parser = new xml2js.Parser()
function createDupkey() {
var s = []
var hexDigits = '0123456789abcdef'
for (var i = 0; i < 36; i++) {
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1)
}
s[14] = '4'
s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1)
s[8] = s[13] = s[18] = s[23] = '-'
return s.join('')
}
module.exports = async (query, request) => {
const ext = getFileExtension(query.songFile.name)
const filename =
query.songName ||
query.songFile.name
.replace('.' + ext, '')
.replace(/\s/g, '')
.replace(/\./g, '_')
if (!query.songFile) {
return Promise.reject({
status: 500,
body: {
msg: '请上传音频文件',
code: 500,
},
})
}
const tokenRes = await request(
`/api/nos/token/alloc`,
{
bucket: 'ymusic',
ext: ext,
filename: filename,
local: false,
nos_product: 0,
type: 'other',
},
createOption(query, 'weapi'),
)
const objectKey = tokenRes.body.result.objectKey.replace(/\//g, '%2F')
const docId = tokenRes.body.result.docId
const res = await axios({
method: 'post',
url: `https://ymusic.nos-hz.163yun.com/${objectKey}?uploads`,
headers: {
'x-nos-token': tokenRes.body.result.token,
'X-Nos-Meta-Content-Type': query.songFile.mimetype || 'audio/mpeg',
},
data: null,
})
const res2 = await parser.parseStringPromise(res.data)
const useTempFile = !!query.songFile.tempFilePath
let fileSize = query.songFile.size
if (useTempFile) {
const stats = await fs.promises.stat(query.songFile.tempFilePath)
fileSize = stats.size
}
const blockSize = 10 * 1024 * 1024
let offset = 0
let blockIndex = 1
let etags = []
while (offset < fileSize) {
let chunk
if (useTempFile) {
chunk = await readFileChunk(query.songFile.tempFilePath, offset, Math.min(blockSize, fileSize - offset))
} else {
chunk = query.songFile.data.slice(offset, Math.min(offset + blockSize, fileSize))
}
const res3 = await axios({
method: 'put',
url: `https://ymusic.nos-hz.163yun.com/${objectKey}?partNumber=${blockIndex}&uploadId=${res2.InitiateMultipartUploadResult.UploadId[0]}`,
headers: {
'x-nos-token': tokenRes.body.result.token,
'Content-Type': query.songFile.mimetype || 'audio/mpeg',
},
data: chunk,
})
const etag = res3.headers.etag
etags.push(etag)
offset += blockSize
blockIndex++
}
let completeStr = '<CompleteMultipartUpload>'
for (let i = 0; i < etags.length; i++) {
completeStr += `<Part><PartNumber>${i + 1}</PartNumber><ETag>${
etags[i]
}</ETag></Part>`
}
completeStr += '</CompleteMultipartUpload>'
await axios({
method: 'post',
url: `https://ymusic.nos-hz.163yun.com/${objectKey}?uploadId=${res2.InitiateMultipartUploadResult.UploadId[0]}`,
headers: {
'Content-Type': 'text/plain;charset=UTF-8',
'X-Nos-Meta-Content-Type': query.songFile.mimetype || 'audio/mpeg',
'x-nos-token': tokenRes.body.result.token,
},
data: completeStr,
})
await request(
`/api/voice/workbench/voice/batch/upload/preCheck`,
{
dupkey: createDupkey(),
voiceData: JSON.stringify([
{
name: filename,
autoPublish: query.autoPublish == 1 ? true : false,
autoPublishText: query.autoPublishText || '',
description: query.description,
voiceListId: query.voiceListId,
coverImgId: query.coverImgId,
dfsId: docId,
categoryId: query.categoryId,
secondCategoryId: query.secondCategoryId,
composedSongs: query.composedSongs
? query.composedSongs.split(',')
: [],
privacy: query.privacy == 1 ? true : false,
publishTime: query.publishTime || 0,
orderNo: query.orderNo || 1,
},
]),
},
{
...createOption(query),
headers: {
'x-nos-token': tokenRes.body.result.token,
},
},
)
const result = await request(
`/api/voice/workbench/voice/batch/upload/v2`,
{
dupkey: createDupkey(),
voiceData: JSON.stringify([
{
name: filename,
autoPublish: query.autoPublish == 1 ? true : false,
autoPublishText: query.autoPublishText || '',
description: query.description,
voiceListId: query.voiceListId,
coverImgId: query.coverImgId,
dfsId: docId,
categoryId: query.categoryId,
secondCategoryId: query.secondCategoryId,
composedSongs: query.composedSongs
? query.composedSongs.split(',')
: [],
privacy: query.privacy == 1 ? true : false,
publishTime: query.publishTime || 0,
orderNo: query.orderNo || 1,
},
]),
},
{
...createOption(query),
headers: {
'x-nos-token': tokenRes.body.result.token,
},
},
)
return {
status: 200,
body: {
code: 200,
data: result.body.data,
},
}
}