mirror of https://github.com/Chocobozzz/PeerTube
117 lines
3.7 KiB
TypeScript
117 lines
3.7 KiB
TypeScript
import cors from 'cors'
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import express from 'express'
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import { PassThrough, pipeline } from 'stream'
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import { logger } from '@server/helpers/logger'
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import { StreamReplacer } from '@server/helpers/stream-replacer'
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import { OBJECT_STORAGE_PROXY_PATHS } from '@server/initializers/constants'
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import { injectQueryToPlaylistUrls } from '@server/lib/hls'
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import { getHLSFileReadStream, getWebTorrentFileReadStream } from '@server/lib/object-storage'
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import {
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asyncMiddleware,
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ensureCanAccessPrivateVideoHLSFiles,
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ensureCanAccessVideoPrivateWebTorrentFiles,
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ensurePrivateObjectStorageProxyIsEnabled,
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optionalAuthenticate
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} from '@server/middlewares'
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import { HttpStatusCode } from '@shared/models'
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import { buildReinjectVideoFileTokenQuery, doReinjectVideoFileToken } from './shared/m3u8-playlist'
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import { GetObjectCommandOutput } from '@aws-sdk/client-s3'
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const objectStorageProxyRouter = express.Router()
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objectStorageProxyRouter.use(cors())
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objectStorageProxyRouter.get(OBJECT_STORAGE_PROXY_PATHS.PRIVATE_WEBSEED + ':filename',
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ensurePrivateObjectStorageProxyIsEnabled,
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optionalAuthenticate,
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asyncMiddleware(ensureCanAccessVideoPrivateWebTorrentFiles),
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asyncMiddleware(proxifyWebTorrent)
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)
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objectStorageProxyRouter.get(OBJECT_STORAGE_PROXY_PATHS.STREAMING_PLAYLISTS.PRIVATE_HLS + ':videoUUID/:filename',
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ensurePrivateObjectStorageProxyIsEnabled,
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optionalAuthenticate,
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asyncMiddleware(ensureCanAccessPrivateVideoHLSFiles),
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asyncMiddleware(proxifyHLS)
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)
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// ---------------------------------------------------------------------------
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export {
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objectStorageProxyRouter
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}
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async function proxifyWebTorrent (req: express.Request, res: express.Response) {
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const filename = req.params.filename
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logger.debug('Proxifying WebTorrent file %s from object storage.', filename)
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try {
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const { response: s3Response, stream } = await getWebTorrentFileReadStream({
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filename,
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rangeHeader: req.header('range')
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})
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setS3Headers(res, s3Response)
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return stream.pipe(res)
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} catch (err) {
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return handleObjectStorageFailure(res, err)
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}
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}
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async function proxifyHLS (req: express.Request, res: express.Response) {
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const playlist = res.locals.videoStreamingPlaylist
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const video = res.locals.onlyVideo
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const filename = req.params.filename
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logger.debug('Proxifying HLS file %s from object storage.', filename)
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try {
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const { response: s3Response, stream } = await getHLSFileReadStream({
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playlist: playlist.withVideo(video),
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filename,
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rangeHeader: req.header('range')
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})
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setS3Headers(res, s3Response)
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const streamReplacer = filename.endsWith('.m3u8') && doReinjectVideoFileToken(req)
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? new StreamReplacer(line => injectQueryToPlaylistUrls(line, buildReinjectVideoFileTokenQuery(req, filename.endsWith('master.m3u8'))))
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: new PassThrough()
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return pipeline(
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stream,
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streamReplacer,
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res,
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err => {
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if (!err) return
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handleObjectStorageFailure(res, err)
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}
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)
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} catch (err) {
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return handleObjectStorageFailure(res, err)
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}
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}
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function handleObjectStorageFailure (res: express.Response, err: Error) {
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if (err.name === 'NoSuchKey') {
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logger.debug('Could not find key in object storage to proxify private HLS video file.', { err })
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return res.sendStatus(HttpStatusCode.NOT_FOUND_404)
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}
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return res.fail({
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status: HttpStatusCode.INTERNAL_SERVER_ERROR_500,
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message: err.message,
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type: err.name
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})
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}
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function setS3Headers (res: express.Response, s3Response: GetObjectCommandOutput) {
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if (s3Response.$metadata.httpStatusCode === HttpStatusCode.PARTIAL_CONTENT_206) {
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res.setHeader('Content-Range', s3Response.ContentRange)
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res.status(HttpStatusCode.PARTIAL_CONTENT_206)
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}
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}
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