]>
Commit | Line | Data |
---|---|---|
1 | import * as cors from 'cors' | |
2 | import * as express from 'express' | |
3 | import { logger } from '@server/helpers/logger' | |
4 | import { VideosTorrentCache } from '@server/lib/files-cache/videos-torrent-cache' | |
5 | import { Hooks } from '@server/lib/plugins/hooks' | |
6 | import { getVideoFilePath } from '@server/lib/video-paths' | |
7 | import { MStreamingPlaylist, MVideo, MVideoFile, MVideoFullLight } from '@server/types/models' | |
8 | import { HttpStatusCode } from '@shared/core-utils/miscs/http-error-codes' | |
9 | import { VideoStreamingPlaylistType } from '@shared/models' | |
10 | import { STATIC_DOWNLOAD_PATHS } from '../initializers/constants' | |
11 | import { asyncMiddleware, videosDownloadValidator } from '../middlewares' | |
12 | ||
13 | const downloadRouter = express.Router() | |
14 | ||
15 | downloadRouter.use(cors()) | |
16 | ||
17 | downloadRouter.use( | |
18 | STATIC_DOWNLOAD_PATHS.TORRENTS + ':filename', | |
19 | asyncMiddleware(downloadTorrent) | |
20 | ) | |
21 | ||
22 | downloadRouter.use( | |
23 | STATIC_DOWNLOAD_PATHS.VIDEOS + ':id-:resolution([0-9]+).:extension', | |
24 | asyncMiddleware(videosDownloadValidator), | |
25 | asyncMiddleware(downloadVideoFile) | |
26 | ) | |
27 | ||
28 | downloadRouter.use( | |
29 | STATIC_DOWNLOAD_PATHS.HLS_VIDEOS + ':id-:resolution([0-9]+)-fragmented.:extension', | |
30 | asyncMiddleware(videosDownloadValidator), | |
31 | asyncMiddleware(downloadHLSVideoFile) | |
32 | ) | |
33 | ||
34 | // --------------------------------------------------------------------------- | |
35 | ||
36 | export { | |
37 | downloadRouter | |
38 | } | |
39 | ||
40 | // --------------------------------------------------------------------------- | |
41 | ||
42 | async function downloadTorrent (req: express.Request, res: express.Response) { | |
43 | const result = await VideosTorrentCache.Instance.getFilePath(req.params.filename) | |
44 | if (!result) { | |
45 | return res.fail({ | |
46 | status: HttpStatusCode.NOT_FOUND_404, | |
47 | message: 'Torrent file not found' | |
48 | }) | |
49 | } | |
50 | ||
51 | const allowParameters = { torrentPath: result.path, downloadName: result.downloadName } | |
52 | ||
53 | const allowedResult = await Hooks.wrapFun( | |
54 | isTorrentDownloadAllowed, | |
55 | allowParameters, | |
56 | 'filter:api.download.torrent.allowed.result' | |
57 | ) | |
58 | ||
59 | if (!checkAllowResult(res, allowParameters, allowedResult)) return | |
60 | ||
61 | return res.download(result.path, result.downloadName) | |
62 | } | |
63 | ||
64 | async function downloadVideoFile (req: express.Request, res: express.Response) { | |
65 | const video = res.locals.videoAll | |
66 | ||
67 | const videoFile = getVideoFile(req, video.VideoFiles) | |
68 | if (!videoFile) { | |
69 | return res.fail({ | |
70 | status: HttpStatusCode.NOT_FOUND_404, | |
71 | message: 'Video file not found' | |
72 | }) | |
73 | } | |
74 | ||
75 | const allowParameters = { video, videoFile } | |
76 | ||
77 | const allowedResult = await Hooks.wrapFun( | |
78 | isVideoDownloadAllowed, | |
79 | allowParameters, | |
80 | 'filter:api.download.video.allowed.result' | |
81 | ) | |
82 | ||
83 | if (!checkAllowResult(res, allowParameters, allowedResult)) return | |
84 | ||
85 | return res.download(getVideoFilePath(video, videoFile), `${video.name}-${videoFile.resolution}p${videoFile.extname}`) | |
86 | } | |
87 | ||
88 | async function downloadHLSVideoFile (req: express.Request, res: express.Response) { | |
89 | const video = res.locals.videoAll | |
90 | const streamingPlaylist = getHLSPlaylist(video) | |
91 | if (!streamingPlaylist) return res.status(HttpStatusCode.NOT_FOUND_404).end | |
92 | ||
93 | const videoFile = getVideoFile(req, streamingPlaylist.VideoFiles) | |
94 | if (!videoFile) { | |
95 | return res.fail({ | |
96 | status: HttpStatusCode.NOT_FOUND_404, | |
97 | message: 'Video file not found' | |
98 | }) | |
99 | } | |
100 | ||
101 | const allowParameters = { video, streamingPlaylist, videoFile } | |
102 | ||
103 | const allowedResult = await Hooks.wrapFun( | |
104 | isVideoDownloadAllowed, | |
105 | allowParameters, | |
106 | 'filter:api.download.video.allowed.result' | |
107 | ) | |
108 | ||
109 | if (!checkAllowResult(res, allowParameters, allowedResult)) return | |
110 | ||
111 | const filename = `${video.name}-${videoFile.resolution}p-${streamingPlaylist.getStringType()}${videoFile.extname}` | |
112 | return res.download(getVideoFilePath(streamingPlaylist, videoFile), filename) | |
113 | } | |
114 | ||
115 | function getVideoFile (req: express.Request, files: MVideoFile[]) { | |
116 | const resolution = parseInt(req.params.resolution, 10) | |
117 | return files.find(f => f.resolution === resolution) | |
118 | } | |
119 | ||
120 | function getHLSPlaylist (video: MVideoFullLight) { | |
121 | const playlist = video.VideoStreamingPlaylists.find(p => p.type === VideoStreamingPlaylistType.HLS) | |
122 | if (!playlist) return undefined | |
123 | ||
124 | return Object.assign(playlist, { Video: video }) | |
125 | } | |
126 | ||
127 | type AllowedResult = { | |
128 | allowed: boolean | |
129 | errorMessage?: string | |
130 | } | |
131 | ||
132 | function isTorrentDownloadAllowed (_object: { | |
133 | torrentPath: string | |
134 | }): AllowedResult { | |
135 | return { allowed: true } | |
136 | } | |
137 | ||
138 | function isVideoDownloadAllowed (_object: { | |
139 | video: MVideo | |
140 | videoFile: MVideoFile | |
141 | streamingPlaylist?: MStreamingPlaylist | |
142 | }): AllowedResult { | |
143 | return { allowed: true } | |
144 | } | |
145 | ||
146 | function checkAllowResult (res: express.Response, allowParameters: any, result?: AllowedResult) { | |
147 | if (!result || result.allowed !== true) { | |
148 | logger.info('Download is not allowed.', { result, allowParameters }) | |
149 | ||
150 | res.fail({ | |
151 | status: HttpStatusCode.FORBIDDEN_403, | |
152 | message: result?.errorMessage || 'Refused download' | |
153 | }) | |
154 | return false | |
155 | } | |
156 | ||
157 | return true | |
158 | } |