PeerTube/server/core/helpers/unzip.ts

56 lines
1.5 KiB
TypeScript

import { createWriteStream } from 'fs'
import { ensureDir } from 'fs-extra/esm'
import { dirname, join } from 'path'
import { pipeline } from 'stream'
import * as yauzl from 'yauzl'
import { logger, loggerTagsFactory } from './logger.js'
const lTags = loggerTagsFactory('unzip')
export async function unzip (source: string, destination: string) {
await ensureDir(destination)
logger.info(`Unzip ${source} to ${destination}`, lTags())
return new Promise<void>((res, rej) => {
yauzl.open(source, { lazyEntries: true }, (err, zipFile) => {
if (err) return rej(err)
zipFile.readEntry()
zipFile.on('entry', async entry => {
const entryPath = join(destination, entry.fileName)
try {
if (/\/$/.test(entry.fileName)) {
await ensureDir(entryPath)
logger.debug(`Creating directory from zip ${entryPath}`, lTags())
zipFile.readEntry()
return
}
await ensureDir(dirname(entryPath))
} catch (err) {
return rej(err)
}
zipFile.openReadStream(entry, (readErr, readStream) => {
if (readErr) return rej(readErr)
logger.debug(`Creating file from zip ${entryPath}`, lTags())
const writeStream = createWriteStream(entryPath)
writeStream.on('close', () => zipFile.readEntry())
pipeline(readStream, writeStream, pipelineErr => {
if (pipelineErr) return rej(pipelineErr)
})
})
})
zipFile.on('end', () => res())
})
})
}