PeerTube/server/controllers/lazy-static.ts

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import cors from 'cors'
import express from 'express'
import { VideosTorrentCache } from '@server/lib/files-cache/videos-torrent-cache'
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import { HttpStatusCode } from '../../shared/models/http/http-error-codes'
import { logger } from '../helpers/logger'
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import { LAZY_STATIC_PATHS, STATIC_MAX_AGE } from '../initializers/constants'
import { VideosCaptionCache, VideosPreviewCache } from '../lib/files-cache'
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import { actorImagePathUnsafeCache, pushActorImageProcessInQueue } from '../lib/local-actor'
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import { asyncMiddleware } from '../middlewares'
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import { ActorImageModel } from '../models/actor/actor-image'
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const lazyStaticRouter = express.Router()
lazyStaticRouter.use(cors())
lazyStaticRouter.use(
LAZY_STATIC_PATHS.AVATARS + ':filename',
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asyncMiddleware(getActorImage)
)
lazyStaticRouter.use(
LAZY_STATIC_PATHS.BANNERS + ':filename',
asyncMiddleware(getActorImage)
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)
lazyStaticRouter.use(
LAZY_STATIC_PATHS.PREVIEWS + ':filename',
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asyncMiddleware(getPreview)
)
lazyStaticRouter.use(
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LAZY_STATIC_PATHS.VIDEO_CAPTIONS + ':filename',
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asyncMiddleware(getVideoCaption)
)
lazyStaticRouter.use(
LAZY_STATIC_PATHS.TORRENTS + ':filename',
asyncMiddleware(getTorrent)
)
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// ---------------------------------------------------------------------------
export {
lazyStaticRouter,
getPreview,
getVideoCaption
}
// ---------------------------------------------------------------------------
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async function getActorImage (req: express.Request, res: express.Response, next: express.NextFunction) {
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const filename = req.params.filename
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if (actorImagePathUnsafeCache.has(filename)) {
return res.sendFile(actorImagePathUnsafeCache.get(filename), { maxAge: STATIC_MAX_AGE.SERVER })
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}
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const image = await ActorImageModel.loadByName(filename)
if (!image) return res.status(HttpStatusCode.NOT_FOUND_404).end()
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if (image.onDisk === false) {
if (!image.fileUrl) return res.status(HttpStatusCode.NOT_FOUND_404).end()
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logger.info('Lazy serve remote actor image %s.', image.fileUrl)
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try {
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await pushActorImageProcessInQueue({ filename: image.filename, fileUrl: image.fileUrl, type: image.type })
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} catch (err) {
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logger.warn('Cannot process remote actor image %s.', image.fileUrl, { err })
return res.status(HttpStatusCode.NOT_FOUND_404).end()
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}
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image.onDisk = true
image.save()
.catch(err => logger.error('Cannot save new actor image disk state.', { err }))
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}
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const path = image.getPath()
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actorImagePathUnsafeCache.set(filename, path)
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return res.sendFile(path, { maxAge: STATIC_MAX_AGE.LAZY_SERVER }, (err: any) => {
if (!err) return
// It seems this actor image is not on the disk anymore
if (err.status === HttpStatusCode.NOT_FOUND_404 && !image.isOwned()) {
logger.error('Cannot lazy serve actor image %s.', filename, { err })
actorImagePathUnsafeCache.del(filename)
image.onDisk = false
image.save()
.catch(err => logger.error('Cannot save new actor image disk state.', { err }))
}
return next(err)
})
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}
async function getPreview (req: express.Request, res: express.Response) {
const result = await VideosPreviewCache.Instance.getFilePath(req.params.filename)
if (!result) return res.status(HttpStatusCode.NOT_FOUND_404).end()
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return res.sendFile(result.path, { maxAge: STATIC_MAX_AGE.LAZY_SERVER })
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}
async function getVideoCaption (req: express.Request, res: express.Response) {
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const result = await VideosCaptionCache.Instance.getFilePath(req.params.filename)
if (!result) return res.status(HttpStatusCode.NOT_FOUND_404).end()
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return res.sendFile(result.path, { maxAge: STATIC_MAX_AGE.LAZY_SERVER })
}
async function getTorrent (req: express.Request, res: express.Response) {
const result = await VideosTorrentCache.Instance.getFilePath(req.params.filename)
if (!result) return res.status(HttpStatusCode.NOT_FOUND_404).end()
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// Torrents still use the old naming convention (video uuid + .torrent)
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return res.sendFile(result.path, { maxAge: STATIC_MAX_AGE.SERVER })
}