PeerTube/server/controllers/static.ts

120 lines
3.8 KiB
TypeScript

import * as cors from 'cors'
import * as express from 'express'
import { CONFIG, STATIC_DOWNLOAD_PATHS, STATIC_MAX_AGE, STATIC_PATHS } from '../initializers'
import { VideosPreviewCache } from '../lib/cache'
import { asyncMiddleware, videosGetValidator } from '../middlewares'
import { VideoModel } from '../models/video/video'
import { VideosCaptionCache } from '../lib/cache/videos-caption-cache'
const staticRouter = express.Router()
staticRouter.use(cors())
/*
Cors is very important to let other servers access torrent and video files
*/
const torrentsPhysicalPath = CONFIG.STORAGE.TORRENTS_DIR
staticRouter.use(
STATIC_PATHS.TORRENTS,
cors(),
express.static(torrentsPhysicalPath, { maxAge: 0 }) // Don't cache because we could regenerate the torrent file
)
staticRouter.use(
STATIC_DOWNLOAD_PATHS.TORRENTS + ':id-:resolution([0-9]+).torrent',
asyncMiddleware(videosGetValidator),
asyncMiddleware(downloadTorrent)
)
// Videos path for webseeding
const videosPhysicalPath = CONFIG.STORAGE.VIDEOS_DIR
staticRouter.use(
STATIC_PATHS.WEBSEED,
cors(),
express.static(videosPhysicalPath)
)
staticRouter.use(
STATIC_DOWNLOAD_PATHS.VIDEOS + ':id-:resolution([0-9]+).:extension',
asyncMiddleware(videosGetValidator),
asyncMiddleware(downloadVideoFile)
)
// Thumbnails path for express
const thumbnailsPhysicalPath = CONFIG.STORAGE.THUMBNAILS_DIR
staticRouter.use(
STATIC_PATHS.THUMBNAILS,
express.static(thumbnailsPhysicalPath, { maxAge: STATIC_MAX_AGE })
)
const avatarsPhysicalPath = CONFIG.STORAGE.AVATARS_DIR
staticRouter.use(
STATIC_PATHS.AVATARS,
express.static(avatarsPhysicalPath, { maxAge: STATIC_MAX_AGE })
)
// We don't have video previews, fetch them from the origin instance
staticRouter.use(
STATIC_PATHS.PREVIEWS + ':uuid.jpg',
asyncMiddleware(getPreview)
)
// We don't have video captions, fetch them from the origin instance
staticRouter.use(
STATIC_PATHS.VIDEO_CAPTIONS + ':videoId-:captionLanguage([a-z]+).vtt',
asyncMiddleware(getVideoCaption)
)
// robots.txt service
staticRouter.get('/robots.txt', (req: express.Request, res: express.Response) => {
res.type('text/plain')
return res.send(CONFIG.INSTANCE.ROBOTS)
})
// ---------------------------------------------------------------------------
export {
staticRouter
}
// ---------------------------------------------------------------------------
async function getPreview (req: express.Request, res: express.Response, next: express.NextFunction) {
const path = await VideosPreviewCache.Instance.getFilePath(req.params.uuid)
if (!path) return res.sendStatus(404)
return res.sendFile(path, { maxAge: STATIC_MAX_AGE })
}
async function getVideoCaption (req: express.Request, res: express.Response) {
const path = await VideosCaptionCache.Instance.getFilePath({
videoId: req.params.videoId,
language: req.params.captionLanguage
})
if (!path) return res.sendStatus(404)
return res.sendFile(path, { maxAge: STATIC_MAX_AGE })
}
async function downloadTorrent (req: express.Request, res: express.Response, next: express.NextFunction) {
const { video, videoFile } = getVideoAndFile(req, res)
if (!videoFile) return res.status(404).end()
return res.download(video.getTorrentFilePath(videoFile), `${video.name}-${videoFile.resolution}p.torrent`)
}
async function downloadVideoFile (req: express.Request, res: express.Response, next: express.NextFunction) {
const { video, videoFile } = getVideoAndFile(req, res)
if (!videoFile) return res.status(404).end()
return res.download(video.getVideoFilePath(videoFile), `${video.name}-${videoFile.resolution}p${videoFile.extname}`)
}
function getVideoAndFile (req: express.Request, res: express.Response) {
const resolution = parseInt(req.params.resolution, 10)
const video: VideoModel = res.locals.video
const videoFile = video.VideoFiles.find(f => f.resolution === resolution)
return { video, videoFile }
}