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41fb13c3 C |
1 | import cors from 'cors' |
2 | import express from 'express' | |
4bc45da3 | 3 | import { logger } from '@server/helpers/logger' |
90a8bd30 | 4 | import { VideosTorrentCache } from '@server/lib/files-cache/videos-torrent-cache' |
4bc45da3 | 5 | import { Hooks } from '@server/lib/plugins/hooks' |
0305db28 | 6 | import { VideoPathManager } from '@server/lib/video-path-manager' |
4bc45da3 | 7 | import { MStreamingPlaylist, MVideo, MVideoFile, MVideoFullLight } from '@server/types/models' |
4638cd71 | 8 | import { addQueryParams, forceNumber } from '@shared/core-utils' |
0305db28 | 9 | import { HttpStatusCode, VideoStorage, VideoStreamingPlaylistType } from '@shared/models' |
90a8bd30 | 10 | import { STATIC_DOWNLOAD_PATHS } from '../initializers/constants' |
3545e72c | 11 | import { asyncMiddleware, optionalAuthenticate, videosDownloadValidator } from '../middlewares' |
90a8bd30 C |
12 | |
13 | const downloadRouter = express.Router() | |
14 | ||
15 | downloadRouter.use(cors()) | |
16 | ||
17 | downloadRouter.use( | |
18 | STATIC_DOWNLOAD_PATHS.TORRENTS + ':filename', | |
4bc45da3 | 19 | asyncMiddleware(downloadTorrent) |
90a8bd30 C |
20 | ) |
21 | ||
22 | downloadRouter.use( | |
23 | STATIC_DOWNLOAD_PATHS.VIDEOS + ':id-:resolution([0-9]+).:extension', | |
3545e72c | 24 | optionalAuthenticate, |
90a8bd30 | 25 | asyncMiddleware(videosDownloadValidator), |
4bc45da3 | 26 | asyncMiddleware(downloadVideoFile) |
90a8bd30 C |
27 | ) |
28 | ||
29 | downloadRouter.use( | |
30 | STATIC_DOWNLOAD_PATHS.HLS_VIDEOS + ':id-:resolution([0-9]+)-fragmented.:extension', | |
3545e72c | 31 | optionalAuthenticate, |
90a8bd30 | 32 | asyncMiddleware(videosDownloadValidator), |
4bc45da3 | 33 | asyncMiddleware(downloadHLSVideoFile) |
90a8bd30 C |
34 | ) |
35 | ||
36 | // --------------------------------------------------------------------------- | |
37 | ||
38 | export { | |
39 | downloadRouter | |
40 | } | |
41 | ||
42 | // --------------------------------------------------------------------------- | |
43 | ||
44 | async function downloadTorrent (req: express.Request, res: express.Response) { | |
45 | const result = await VideosTorrentCache.Instance.getFilePath(req.params.filename) | |
76148b27 RK |
46 | if (!result) { |
47 | return res.fail({ | |
48 | status: HttpStatusCode.NOT_FOUND_404, | |
49 | message: 'Torrent file not found' | |
50 | }) | |
51 | } | |
90a8bd30 | 52 | |
b6640fa0 C |
53 | const allowParameters = { |
54 | req, | |
55 | res, | |
56 | torrentPath: result.path, | |
57 | downloadName: result.downloadName | |
58 | } | |
4bc45da3 C |
59 | |
60 | const allowedResult = await Hooks.wrapFun( | |
61 | isTorrentDownloadAllowed, | |
62 | allowParameters, | |
63 | 'filter:api.download.torrent.allowed.result' | |
64 | ) | |
65 | ||
66 | if (!checkAllowResult(res, allowParameters, allowedResult)) return | |
67 | ||
90a8bd30 C |
68 | return res.download(result.path, result.downloadName) |
69 | } | |
70 | ||
4bc45da3 | 71 | async function downloadVideoFile (req: express.Request, res: express.Response) { |
90a8bd30 C |
72 | const video = res.locals.videoAll |
73 | ||
74 | const videoFile = getVideoFile(req, video.VideoFiles) | |
76148b27 RK |
75 | if (!videoFile) { |
76 | return res.fail({ | |
77 | status: HttpStatusCode.NOT_FOUND_404, | |
78 | message: 'Video file not found' | |
79 | }) | |
80 | } | |
90a8bd30 | 81 | |
b6640fa0 C |
82 | const allowParameters = { |
83 | req, | |
84 | res, | |
85 | video, | |
86 | videoFile | |
87 | } | |
4bc45da3 C |
88 | |
89 | const allowedResult = await Hooks.wrapFun( | |
90 | isVideoDownloadAllowed, | |
91 | allowParameters, | |
92 | 'filter:api.download.video.allowed.result' | |
93 | ) | |
94 | ||
95 | if (!checkAllowResult(res, allowParameters, allowedResult)) return | |
96 | ||
0305db28 | 97 | if (videoFile.storage === VideoStorage.OBJECT_STORAGE) { |
9ab330b9 | 98 | return redirectToObjectStorage({ req, res, video, file: videoFile }) |
0305db28 JB |
99 | } |
100 | ||
ad5db104 | 101 | await VideoPathManager.Instance.makeAvailableVideoFile(videoFile.withVideoOrPlaylist(video), path => { |
62f53731 C |
102 | // Express uses basename on filename parameter |
103 | const videoName = video.name.replace(/[/\\]/g, '_') | |
104 | const filename = `${videoName}-${videoFile.resolution}p${videoFile.extname}` | |
0305db28 JB |
105 | |
106 | return res.download(path, filename) | |
107 | }) | |
90a8bd30 C |
108 | } |
109 | ||
4bc45da3 | 110 | async function downloadHLSVideoFile (req: express.Request, res: express.Response) { |
90a8bd30 | 111 | const video = res.locals.videoAll |
4bc45da3 C |
112 | const streamingPlaylist = getHLSPlaylist(video) |
113 | if (!streamingPlaylist) return res.status(HttpStatusCode.NOT_FOUND_404).end | |
90a8bd30 | 114 | |
4bc45da3 | 115 | const videoFile = getVideoFile(req, streamingPlaylist.VideoFiles) |
76148b27 RK |
116 | if (!videoFile) { |
117 | return res.fail({ | |
118 | status: HttpStatusCode.NOT_FOUND_404, | |
119 | message: 'Video file not found' | |
120 | }) | |
121 | } | |
90a8bd30 | 122 | |
b6640fa0 C |
123 | const allowParameters = { |
124 | req, | |
125 | res, | |
126 | video, | |
127 | streamingPlaylist, | |
128 | videoFile | |
129 | } | |
4bc45da3 C |
130 | |
131 | const allowedResult = await Hooks.wrapFun( | |
132 | isVideoDownloadAllowed, | |
133 | allowParameters, | |
134 | 'filter:api.download.video.allowed.result' | |
135 | ) | |
136 | ||
137 | if (!checkAllowResult(res, allowParameters, allowedResult)) return | |
138 | ||
0305db28 | 139 | if (videoFile.storage === VideoStorage.OBJECT_STORAGE) { |
9ab330b9 | 140 | return redirectToObjectStorage({ req, res, video, file: videoFile }) |
0305db28 JB |
141 | } |
142 | ||
ad5db104 | 143 | await VideoPathManager.Instance.makeAvailableVideoFile(videoFile.withVideoOrPlaylist(streamingPlaylist), path => { |
0305db28 JB |
144 | const filename = `${video.name}-${videoFile.resolution}p-${streamingPlaylist.getStringType()}${videoFile.extname}` |
145 | ||
146 | return res.download(path, filename) | |
147 | }) | |
90a8bd30 C |
148 | } |
149 | ||
150 | function getVideoFile (req: express.Request, files: MVideoFile[]) { | |
4638cd71 | 151 | const resolution = forceNumber(req.params.resolution) |
90a8bd30 C |
152 | return files.find(f => f.resolution === resolution) |
153 | } | |
154 | ||
155 | function getHLSPlaylist (video: MVideoFullLight) { | |
156 | const playlist = video.VideoStreamingPlaylists.find(p => p.type === VideoStreamingPlaylistType.HLS) | |
157 | if (!playlist) return undefined | |
158 | ||
159 | return Object.assign(playlist, { Video: video }) | |
160 | } | |
4bc45da3 C |
161 | |
162 | type AllowedResult = { | |
163 | allowed: boolean | |
164 | errorMessage?: string | |
165 | } | |
166 | ||
167 | function isTorrentDownloadAllowed (_object: { | |
168 | torrentPath: string | |
169 | }): AllowedResult { | |
170 | return { allowed: true } | |
171 | } | |
172 | ||
173 | function isVideoDownloadAllowed (_object: { | |
174 | video: MVideo | |
175 | videoFile: MVideoFile | |
176 | streamingPlaylist?: MStreamingPlaylist | |
177 | }): AllowedResult { | |
178 | return { allowed: true } | |
179 | } | |
180 | ||
181 | function checkAllowResult (res: express.Response, allowParameters: any, result?: AllowedResult) { | |
182 | if (!result || result.allowed !== true) { | |
183 | logger.info('Download is not allowed.', { result, allowParameters }) | |
4bc45da3 | 184 | |
76148b27 RK |
185 | res.fail({ |
186 | status: HttpStatusCode.FORBIDDEN_403, | |
187 | message: result?.errorMessage || 'Refused download' | |
188 | }) | |
4bc45da3 C |
189 | return false |
190 | } | |
191 | ||
192 | return true | |
193 | } | |
9ab330b9 C |
194 | |
195 | function redirectToObjectStorage (options: { | |
196 | req: express.Request | |
197 | res: express.Response | |
198 | video: MVideo | |
199 | file: MVideoFile | |
200 | }) { | |
201 | const { req, res, video, file } = options | |
202 | ||
203 | const baseUrl = file.getObjectStorageUrl(video) | |
204 | ||
205 | const url = video.hasPrivateStaticPath() && req.query.videoFileToken | |
206 | ? addQueryParams(baseUrl, { videoFileToken: req.query.videoFileToken }) | |
207 | : baseUrl | |
208 | ||
209 | return res.redirect(url) | |
210 | } |