Merge branch 'release/1.4.0' into develop
[oweals/peertube.git] / server / controllers / static.ts
1 import * as cors from 'cors'
2 import * as express from 'express'
3 import {
4   HLS_STREAMING_PLAYLIST_DIRECTORY,
5   PEERTUBE_VERSION,
6   ROUTE_CACHE_LIFETIME,
7   STATIC_DOWNLOAD_PATHS,
8   STATIC_MAX_AGE,
9   STATIC_PATHS,
10   WEBSERVER
11 } from '../initializers/constants'
12 import { cacheRoute } from '../middlewares/cache'
13 import { asyncMiddleware, videosGetValidator } from '../middlewares'
14 import { VideoModel } from '../models/video/video'
15 import { UserModel } from '../models/account/user'
16 import { VideoCommentModel } from '../models/video/video-comment'
17 import { HttpNodeinfoDiasporaSoftwareNsSchema20 } from '../../shared/models/nodeinfo'
18 import { join } from 'path'
19 import { root } from '../helpers/core-utils'
20 import { CONFIG } from '../initializers/config'
21 import { getPreview, getVideoCaption } from './lazy-static'
22
23 const staticRouter = express.Router()
24
25 staticRouter.use(cors())
26
27 /*
28   Cors is very important to let other servers access torrent and video files
29 */
30
31 const torrentsPhysicalPath = CONFIG.STORAGE.TORRENTS_DIR
32 staticRouter.use(
33   STATIC_PATHS.TORRENTS,
34   cors(),
35   express.static(torrentsPhysicalPath, { maxAge: 0 }) // Don't cache because we could regenerate the torrent file
36 )
37 staticRouter.use(
38   STATIC_DOWNLOAD_PATHS.TORRENTS + ':id-:resolution([0-9]+).torrent',
39   asyncMiddleware(videosGetValidator),
40   asyncMiddleware(downloadTorrent)
41 )
42
43 // Videos path for webseeding
44 staticRouter.use(
45   STATIC_PATHS.WEBSEED,
46   cors(),
47   express.static(CONFIG.STORAGE.VIDEOS_DIR, { fallthrough: false }) // 404 because we don't have this video
48 )
49 staticRouter.use(
50   STATIC_PATHS.REDUNDANCY,
51   cors(),
52   express.static(CONFIG.STORAGE.REDUNDANCY_DIR, { fallthrough: false }) // 404 because we don't have this video
53 )
54
55 staticRouter.use(
56   STATIC_DOWNLOAD_PATHS.VIDEOS + ':id-:resolution([0-9]+).:extension',
57   asyncMiddleware(videosGetValidator),
58   asyncMiddleware(downloadVideoFile)
59 )
60
61 // HLS
62 staticRouter.use(
63   STATIC_PATHS.STREAMING_PLAYLISTS.HLS,
64   cors(),
65   express.static(HLS_STREAMING_PLAYLIST_DIRECTORY, { fallthrough: false }) // 404 if the file does not exist
66 )
67
68 // Thumbnails path for express
69 const thumbnailsPhysicalPath = CONFIG.STORAGE.THUMBNAILS_DIR
70 staticRouter.use(
71   STATIC_PATHS.THUMBNAILS,
72   express.static(thumbnailsPhysicalPath, { maxAge: STATIC_MAX_AGE.SERVER, fallthrough: false }) // 404 if the file does not exist
73 )
74
75 // DEPRECATED: use lazy-static route instead
76 const avatarsPhysicalPath = CONFIG.STORAGE.AVATARS_DIR
77 staticRouter.use(
78   STATIC_PATHS.AVATARS,
79   express.static(avatarsPhysicalPath, { maxAge: STATIC_MAX_AGE.SERVER, fallthrough: false }) // 404 if the file does not exist
80 )
81
82 // DEPRECATED: use lazy-static route instead
83 staticRouter.use(
84   STATIC_PATHS.PREVIEWS + ':uuid.jpg',
85   asyncMiddleware(getPreview)
86 )
87
88 // DEPRECATED: use lazy-static route instead
89 staticRouter.use(
90   STATIC_PATHS.VIDEO_CAPTIONS + ':videoId-:captionLanguage([a-z]+).vtt',
91   asyncMiddleware(getVideoCaption)
92 )
93
94 // robots.txt service
95 staticRouter.get('/robots.txt',
96   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.ROBOTS)),
97   (_, res: express.Response) => {
98     res.type('text/plain')
99     return res.send(CONFIG.INSTANCE.ROBOTS)
100   }
101 )
102
103 // security.txt service
104 staticRouter.get('/security.txt',
105   (_, res: express.Response) => {
106     return res.redirect(301, '/.well-known/security.txt')
107   }
108 )
109
110 staticRouter.get('/.well-known/security.txt',
111   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.SECURITYTXT)),
112   (_, res: express.Response) => {
113     res.type('text/plain')
114     return res.send(CONFIG.INSTANCE.SECURITYTXT + CONFIG.INSTANCE.SECURITYTXT_CONTACT)
115   }
116 )
117
118 // nodeinfo service
119 staticRouter.use('/.well-known/nodeinfo',
120   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.NODEINFO)),
121   (_, res: express.Response) => {
122     return res.json({
123       links: [
124         {
125           rel: 'http://nodeinfo.diaspora.software/ns/schema/2.0',
126           href: WEBSERVER.URL + '/nodeinfo/2.0.json'
127         }
128       ]
129     })
130   }
131 )
132 staticRouter.use('/nodeinfo/:version.json',
133   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.NODEINFO)),
134   asyncMiddleware(generateNodeinfo)
135 )
136
137 // dnt-policy.txt service (see https://www.eff.org/dnt-policy)
138 staticRouter.use('/.well-known/dnt-policy.txt',
139   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.DNT_POLICY)),
140   (_, res: express.Response) => {
141     res.type('text/plain')
142
143     return res.sendFile(join(root(), 'dist/server/static/dnt-policy/dnt-policy-1.0.txt'))
144   }
145 )
146
147 // dnt service (see https://www.w3.org/TR/tracking-dnt/#status-resource)
148 staticRouter.use('/.well-known/dnt/',
149   (_, res: express.Response) => {
150     res.json({ tracking: 'N' })
151   }
152 )
153
154 staticRouter.use('/.well-known/change-password',
155   (_, res: express.Response) => {
156     res.redirect('/my-account/settings')
157   }
158 )
159
160 staticRouter.use('/.well-known/host-meta',
161   (_, res: express.Response) => {
162     res.type('application/xml')
163
164     const xml = '<?xml version="1.0" encoding="UTF-8"?>\n' +
165       '<XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0">\n' +
166       `  <Link rel="lrdd" type="application/xrd+xml" template="${WEBSERVER.URL}/.well-known/webfinger?resource={uri}"/>\n` +
167       '</XRD>'
168
169     res.send(xml).end()
170   }
171 )
172
173 // ---------------------------------------------------------------------------
174
175 export {
176   staticRouter
177 }
178
179 // ---------------------------------------------------------------------------
180
181 async function generateNodeinfo (req: express.Request, res: express.Response) {
182   const { totalVideos } = await VideoModel.getStats()
183   const { totalLocalVideoComments } = await VideoCommentModel.getStats()
184   const { totalUsers } = await UserModel.getStats()
185   let json = {}
186
187   if (req.params.version && (req.params.version === '2.0')) {
188     json = {
189       version: '2.0',
190       software: {
191         name: 'peertube',
192         version: PEERTUBE_VERSION
193       },
194       protocols: [
195         'activitypub'
196       ],
197       services: {
198         inbound: [],
199         outbound: [
200           'atom1.0',
201           'rss2.0'
202         ]
203       },
204       openRegistrations: CONFIG.SIGNUP.ENABLED,
205       usage: {
206         users: {
207           total: totalUsers
208         },
209         localPosts: totalVideos,
210         localComments: totalLocalVideoComments
211       },
212       metadata: {
213         taxonomy: {
214           postsName: 'Videos'
215         },
216         nodeName: CONFIG.INSTANCE.NAME,
217         nodeDescription: CONFIG.INSTANCE.SHORT_DESCRIPTION
218       }
219     } as HttpNodeinfoDiasporaSoftwareNsSchema20
220     res.contentType('application/json; profile="http://nodeinfo.diaspora.software/ns/schema/2.0#"')
221   } else {
222     json = { error: 'Nodeinfo schema version not handled' }
223     res.status(404)
224   }
225
226   return res.send(json).end()
227 }
228
229 async function downloadTorrent (req: express.Request, res: express.Response) {
230   const { video, videoFile } = getVideoAndFile(req, res)
231   if (!videoFile) return res.status(404).end()
232
233   return res.download(video.getTorrentFilePath(videoFile), `${video.name}-${videoFile.resolution}p.torrent`)
234 }
235
236 async function downloadVideoFile (req: express.Request, res: express.Response) {
237   const { video, videoFile } = getVideoAndFile(req, res)
238   if (!videoFile) return res.status(404).end()
239
240   return res.download(video.getVideoFilePath(videoFile), `${video.name}-${videoFile.resolution}p${videoFile.extname}`)
241 }
242
243 function getVideoAndFile (req: express.Request, res: express.Response) {
244   const resolution = parseInt(req.params.resolution, 10)
245   const video = res.locals.videoAll
246
247   const videoFile = video.VideoFiles.find(f => f.resolution === resolution)
248
249   return { video, videoFile }
250 }