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