79 lines
2.8 KiB
TypeScript
79 lines
2.8 KiB
TypeScript
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import * as cors from 'cors'
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import * as express from 'express'
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import { VideosTorrentCache } from '@server/lib/files-cache/videos-torrent-cache'
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import { getVideoFilePath } from '@server/lib/video-paths'
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import { MVideoFile, MVideoFullLight } from '@server/types/models'
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import { HttpStatusCode } from '@shared/core-utils/miscs/http-error-codes'
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import { VideoStreamingPlaylistType } from '@shared/models'
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import { STATIC_DOWNLOAD_PATHS } from '../initializers/constants'
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import { asyncMiddleware, videosDownloadValidator } from '../middlewares'
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const downloadRouter = express.Router()
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downloadRouter.use(cors())
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downloadRouter.use(
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STATIC_DOWNLOAD_PATHS.TORRENTS + ':filename',
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downloadTorrent
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)
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downloadRouter.use(
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STATIC_DOWNLOAD_PATHS.VIDEOS + ':id-:resolution([0-9]+).:extension',
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asyncMiddleware(videosDownloadValidator),
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downloadVideoFile
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)
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downloadRouter.use(
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STATIC_DOWNLOAD_PATHS.HLS_VIDEOS + ':id-:resolution([0-9]+)-fragmented.:extension',
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asyncMiddleware(videosDownloadValidator),
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downloadHLSVideoFile
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)
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// ---------------------------------------------------------------------------
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export {
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downloadRouter
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}
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// ---------------------------------------------------------------------------
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async function downloadTorrent (req: express.Request, res: express.Response) {
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const result = await VideosTorrentCache.Instance.getFilePath(req.params.filename)
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if (!result) return res.sendStatus(HttpStatusCode.NOT_FOUND_404)
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return res.download(result.path, result.downloadName)
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}
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function downloadVideoFile (req: express.Request, res: express.Response) {
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const video = res.locals.videoAll
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const videoFile = getVideoFile(req, video.VideoFiles)
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if (!videoFile) return res.status(HttpStatusCode.NOT_FOUND_404).end()
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return res.download(getVideoFilePath(video, videoFile), `${video.name}-${videoFile.resolution}p${videoFile.extname}`)
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}
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function downloadHLSVideoFile (req: express.Request, res: express.Response) {
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const video = res.locals.videoAll
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const playlist = getHLSPlaylist(video)
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if (!playlist) return res.status(HttpStatusCode.NOT_FOUND_404).end
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const videoFile = getVideoFile(req, playlist.VideoFiles)
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if (!videoFile) return res.status(HttpStatusCode.NOT_FOUND_404).end()
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const filename = `${video.name}-${videoFile.resolution}p-${playlist.getStringType()}${videoFile.extname}`
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return res.download(getVideoFilePath(playlist, videoFile), filename)
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}
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function getVideoFile (req: express.Request, files: MVideoFile[]) {
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const resolution = parseInt(req.params.resolution, 10)
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return files.find(f => f.resolution === resolution)
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}
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function getHLSPlaylist (video: MVideoFullLight) {
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const playlist = video.VideoStreamingPlaylists.find(p => p.type === VideoStreamingPlaylistType.HLS)
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if (!playlist) return undefined
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return Object.assign(playlist, { Video: video })
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}
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