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import cors from 'cors'
import express from 'express'
import { readFile } from 'fs-extra'
import { join } from 'path'
import { injectQueryToPlaylistUrls } from '@server/lib/hls'
import {
asyncMiddleware,
ensureCanAccessPrivateVideoHLSFiles,
ensureCanAccessVideoPrivateWebTorrentFiles,
handleStaticError,
optionalAuthenticate
} from '@server/middlewares'
import { HttpStatusCode } from '@shared/models'
import { CONFIG } from '../initializers/config'
import { DIRECTORIES, STATIC_MAX_AGE, STATIC_PATHS } from '../initializers/constants'
import { buildReinjectVideoFileTokenQuery, doReinjectVideoFileToken } from './shared/m3u8-playlist'
const staticRouter = express.Router()
// Cors is very important to let other servers access torrent and video files
staticRouter.use(cors())
// ---------------------------------------------------------------------------
// WebTorrent/Classic videos
// ---------------------------------------------------------------------------
const privateWebTorrentStaticMiddlewares = CONFIG.STATIC_FILES.PRIVATE_FILES_REQUIRE_AUTH === true
? [ optionalAuthenticate, asyncMiddleware(ensureCanAccessVideoPrivateWebTorrentFiles) ]
: []
staticRouter.use(
STATIC_PATHS.PRIVATE_WEBSEED,
...privateWebTorrentStaticMiddlewares,
express.static(DIRECTORIES.VIDEOS.PRIVATE, { fallthrough: false }),
handleStaticError
)
staticRouter.use(
STATIC_PATHS.WEBSEED,
express.static(DIRECTORIES.VIDEOS.PUBLIC, { fallthrough: false }),
handleStaticError
)
staticRouter.use(
STATIC_PATHS.REDUNDANCY,
express.static(CONFIG.STORAGE.REDUNDANCY_DIR, { fallthrough: false }),
handleStaticError
)
// ---------------------------------------------------------------------------
// HLS
// ---------------------------------------------------------------------------
const privateHLSStaticMiddlewares = CONFIG.STATIC_FILES.PRIVATE_FILES_REQUIRE_AUTH === true
? [ optionalAuthenticate, asyncMiddleware(ensureCanAccessPrivateVideoHLSFiles) ]
: []
staticRouter.use(
STATIC_PATHS.STREAMING_PLAYLISTS.PRIVATE_HLS + ':videoUUID/:playlistName.m3u8',
...privateHLSStaticMiddlewares,
asyncMiddleware(servePrivateM3U8)
)
staticRouter.use(
STATIC_PATHS.STREAMING_PLAYLISTS.PRIVATE_HLS,
...privateHLSStaticMiddlewares,
express.static(DIRECTORIES.HLS_STREAMING_PLAYLIST.PRIVATE, { fallthrough: false }),
handleStaticError
)
staticRouter.use(
STATIC_PATHS.STREAMING_PLAYLISTS.HLS,
express.static(DIRECTORIES.HLS_STREAMING_PLAYLIST.PUBLIC, { fallthrough: false }),
handleStaticError
)
// Thumbnails path for express
const thumbnailsPhysicalPath = CONFIG.STORAGE.THUMBNAILS_DIR
staticRouter.use(
STATIC_PATHS.THUMBNAILS,
express.static(thumbnailsPhysicalPath, { maxAge: STATIC_MAX_AGE.SERVER, fallthrough: false }),
handleStaticError
)
// ---------------------------------------------------------------------------
export {
staticRouter
}
// ---------------------------------------------------------------------------
async function servePrivateM3U8 (req: express.Request, res: express.Response) {
const path = join(DIRECTORIES.HLS_STREAMING_PLAYLIST.PRIVATE, req.params.videoUUID, req.params.playlistName + '.m3u8')
const filename = req.params.playlistName + '.m3u8'
let playlistContent: string
try {
playlistContent = await readFile(path, 'utf-8')
} catch (err) {
if (err.message.includes('ENOENT')) {
return res.fail({
status: HttpStatusCode.NOT_FOUND_404,
message: 'File not found'
})
}
throw err
}
// Inject token in playlist so players that cannot alter the HTTP request can still watch the video
const transformedContent = doReinjectVideoFileToken(req)
? injectQueryToPlaylistUrls(playlistContent, buildReinjectVideoFileTokenQuery(req, filename.endsWith('master.m3u8')))
: playlistContent
return res.set('content-type', 'application/vnd.apple.mpegurl').send(transformedContent).end()
}
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