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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
import express from 'express'
import { query } from 'express-validator'
import { LRUCache } from 'lru-cache'
import { basename, dirname } from 'path'
import { exists, isSafePeerTubeFilenameWithoutExtension, isUUIDValid, toBooleanOrNull } from '@server/helpers/custom-validators/misc'
import { logger } from '@server/helpers/logger'
import { LRU_CACHE } from '@server/initializers/constants'
import { VideoModel } from '@server/models/video/video'
import { VideoFileModel } from '@server/models/video/video-file'
import { MStreamingPlaylist, MVideoFile, MVideoThumbnail } from '@server/types/models'
import { HttpStatusCode } from '@shared/models'
import { areValidationErrors, checkCanAccessVideoStaticFiles, isValidVideoPasswordHeader } from './shared'
type LRUValue = {
allowed: boolean
video?: MVideoThumbnail
file?: MVideoFile
playlist?: MStreamingPlaylist }
const staticFileTokenBypass = new LRUCache<string, LRUValue>({
max: LRU_CACHE.STATIC_VIDEO_FILES_RIGHTS_CHECK.MAX_SIZE,
ttl: LRU_CACHE.STATIC_VIDEO_FILES_RIGHTS_CHECK.TTL
})
const ensureCanAccessVideoPrivateWebVideoFiles = [
query('videoFileToken').optional().custom(exists),
isValidVideoPasswordHeader(),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
const token = extractTokenOrDie(req, res)
if (!token) return
const cacheKey = token + '-' + req.originalUrl
if (staticFileTokenBypass.has(cacheKey)) {
const { allowed, file, video } = staticFileTokenBypass.get(cacheKey)
if (allowed === true) {
res.locals.onlyVideo = video
res.locals.videoFile = file
return next()
}
return res.sendStatus(HttpStatusCode.FORBIDDEN_403)
}
const result = await isWebVideoAllowed(req, res)
staticFileTokenBypass.set(cacheKey, result)
if (result.allowed !== true) return
res.locals.onlyVideo = result.video
res.locals.videoFile = result.file
return next()
}
]
const ensureCanAccessPrivateVideoHLSFiles = [
query('videoFileToken')
.optional()
.custom(exists),
query('reinjectVideoFileToken')
.optional()
.customSanitizer(toBooleanOrNull)
.isBoolean().withMessage('Should be a valid reinjectVideoFileToken boolean'),
query('playlistName')
.optional()
.customSanitizer(isSafePeerTubeFilenameWithoutExtension),
isValidVideoPasswordHeader(),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
const videoUUID = basename(dirname(req.originalUrl))
if (!isUUIDValid(videoUUID)) {
logger.debug('Path does not contain valid video UUID to serve static file %s', req.originalUrl)
return res.sendStatus(HttpStatusCode.FORBIDDEN_403)
}
const token = extractTokenOrDie(req, res)
if (!token) return
const cacheKey = token + '-' + videoUUID
if (staticFileTokenBypass.has(cacheKey)) {
const { allowed, file, playlist, video } = staticFileTokenBypass.get(cacheKey)
if (allowed === true) {
res.locals.onlyVideo = video
res.locals.videoFile = file
res.locals.videoStreamingPlaylist = playlist
return next()
}
return res.sendStatus(HttpStatusCode.FORBIDDEN_403)
}
const result = await isHLSAllowed(req, res, videoUUID)
staticFileTokenBypass.set(cacheKey, result)
if (result.allowed !== true) return
res.locals.onlyVideo = result.video
res.locals.videoFile = result.file
res.locals.videoStreamingPlaylist = result.playlist
return next()
}
]
export {
ensureCanAccessVideoPrivateWebVideoFiles,
ensureCanAccessPrivateVideoHLSFiles
}
// ---------------------------------------------------------------------------
async function isWebVideoAllowed (req: express.Request, res: express.Response) {
const filename = basename(req.path)
const file = await VideoFileModel.loadWithVideoByFilename(filename)
if (!file) {
logger.debug('Unknown static file %s to serve', req.originalUrl, { filename })
res.sendStatus(HttpStatusCode.FORBIDDEN_403)
return { allowed: false }
}
const video = await VideoModel.load(file.getVideo().id)
return {
file,
video,
allowed: await checkCanAccessVideoStaticFiles({ req, res, video, paramId: video.uuid })
}
}
async function isHLSAllowed (req: express.Request, res: express.Response, videoUUID: string) {
const filename = basename(req.path)
const video = await VideoModel.loadWithFiles(videoUUID)
if (!video) {
logger.debug('Unknown static file %s to serve', req.originalUrl, { videoUUID })
res.sendStatus(HttpStatusCode.FORBIDDEN_403)
return { allowed: false }
}
const file = await VideoFileModel.loadByFilename(filename)
return {
file,
video,
playlist: video.getHLSPlaylist(),
allowed: await checkCanAccessVideoStaticFiles({ req, res, video, paramId: video.uuid })
}
}
function extractTokenOrDie (req: express.Request, res: express.Response) {
const token = req.header('x-peertube-video-password') || req.query.videoFileToken || res.locals.oauth?.token.accessToken
if (!token) {
return res.fail({
message: 'Video password header, video file token query parameter and bearer token are all missing', //
status: HttpStatusCode.FORBIDDEN_403
})
}
return token
}
|
