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 import { VideoStreamingPlaylistType } from '@shared/models/videos/video-streaming-playlist.type'
  23 import { MVideoFile, MVideoFullLight } from '@server/typings/models'
  24 import { getTorrentFilePath, getVideoFilePath } from '@server/lib/video-paths'
  25
  26 const staticRouter = express.Router()
  27
  28 staticRouter.use(cors())
  29
  30 /*
  31   Cors is very important to let other servers access torrent and video files
  32 */
  33
  34 const torrentsPhysicalPath = CONFIG.STORAGE.TORRENTS_DIR
  35 staticRouter.use(
  36   STATIC_PATHS.TORRENTS,
  37   cors(),
  38   express.static(torrentsPhysicalPath, { maxAge: 0 }) // Don't cache because we could regenerate the torrent file
  39 )
  40 staticRouter.use(
  41   STATIC_DOWNLOAD_PATHS.TORRENTS + ':id-:resolution([0-9]+).torrent',
  42   asyncMiddleware(videosGetValidator),
  43   asyncMiddleware(downloadTorrent)
  44 )
  45 staticRouter.use(
  46   STATIC_DOWNLOAD_PATHS.TORRENTS + ':id-:resolution([0-9]+)-hls.torrent',
  47   asyncMiddleware(videosGetValidator),
  48   asyncMiddleware(downloadHLSVideoFileTorrent)
  49 )
  50
  51 // Videos path for webseeding
  52 staticRouter.use(
  53   STATIC_PATHS.WEBSEED,
  54   cors(),
  55   express.static(CONFIG.STORAGE.VIDEOS_DIR, { fallthrough: false }) // 404 because we don't have this video
  56 )
  57 staticRouter.use(
  58   STATIC_PATHS.REDUNDANCY,
  59   cors(),
  60   express.static(CONFIG.STORAGE.REDUNDANCY_DIR, { fallthrough: false }) // 404 because we don't have this video
  61 )
  62
  63 staticRouter.use(
  64   STATIC_DOWNLOAD_PATHS.VIDEOS + ':id-:resolution([0-9]+).:extension',
  65   asyncMiddleware(videosGetValidator),
  66   asyncMiddleware(downloadVideoFile)
  67 )
  68
  69 staticRouter.use(
  70   STATIC_DOWNLOAD_PATHS.HLS_VIDEOS + ':id-:resolution([0-9]+).:extension',
  71   asyncMiddleware(videosGetValidator),
  72   asyncMiddleware(downloadHLSVideoFile)
  73 )
  74
  75 // HLS
  76 staticRouter.use(
  77   STATIC_PATHS.STREAMING_PLAYLISTS.HLS,
  78   cors(),
  79   express.static(HLS_STREAMING_PLAYLIST_DIRECTORY, { fallthrough: false }) // 404 if the file does not exist
  80 )
  81
  82 // Thumbnails path for express
  83 const thumbnailsPhysicalPath = CONFIG.STORAGE.THUMBNAILS_DIR
  84 staticRouter.use(
  85   STATIC_PATHS.THUMBNAILS,
  86   express.static(thumbnailsPhysicalPath, { maxAge: STATIC_MAX_AGE.SERVER, fallthrough: false }) // 404 if the file does not exist
  87 )
  88
  89 // DEPRECATED: use lazy-static route instead
  90 const avatarsPhysicalPath = CONFIG.STORAGE.AVATARS_DIR
  91 staticRouter.use(
  92   STATIC_PATHS.AVATARS,
  93   express.static(avatarsPhysicalPath, { maxAge: STATIC_MAX_AGE.SERVER, fallthrough: false }) // 404 if the file does not exist
  94 )
  95
  96 // DEPRECATED: use lazy-static route instead
  97 staticRouter.use(
  98   STATIC_PATHS.PREVIEWS + ':uuid.jpg',
  99   asyncMiddleware(getPreview)
 100 )
 101
 102 // DEPRECATED: use lazy-static route instead
 103 staticRouter.use(
 104   STATIC_PATHS.VIDEO_CAPTIONS + ':videoId-:captionLanguage([a-z]+).vtt',
 105   asyncMiddleware(getVideoCaption)
 106 )
 107
 108 // robots.txt service
 109 staticRouter.get('/robots.txt',
 110   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.ROBOTS)),
 111   (_, res: express.Response) => {
 112     res.type('text/plain')
 113     return res.send(CONFIG.INSTANCE.ROBOTS)
 114   }
 115 )
 116
 117 // security.txt service
 118 staticRouter.get('/security.txt',
 119   (_, res: express.Response) => {
 120     return res.redirect(301, '/.well-known/security.txt')
 121   }
 122 )
 123
 124 staticRouter.get('/.well-known/security.txt',
 125   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.SECURITYTXT)),
 126   (_, res: express.Response) => {
 127     res.type('text/plain')
 128     return res.send(CONFIG.INSTANCE.SECURITYTXT + CONFIG.INSTANCE.SECURITYTXT_CONTACT)
 129   }
 130 )
 131
 132 // nodeinfo service
 133 staticRouter.use('/.well-known/nodeinfo',
 134   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.NODEINFO)),
 135   (_, res: express.Response) => {
 136     return res.json({
 137       links: [
 138         {
 139           rel: 'http://nodeinfo.diaspora.software/ns/schema/2.0',
 140           href: WEBSERVER.URL + '/nodeinfo/2.0.json'
 141         }
 142       ]
 143     })
 144   }
 145 )
 146 staticRouter.use('/nodeinfo/:version.json',
 147   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.NODEINFO)),
 148   asyncMiddleware(generateNodeinfo)
 149 )
 150
 151 // dnt-policy.txt service (see https://www.eff.org/dnt-policy)
 152 staticRouter.use('/.well-known/dnt-policy.txt',
 153   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.DNT_POLICY)),
 154   (_, res: express.Response) => {
 155     res.type('text/plain')
 156
 157     return res.sendFile(join(root(), 'dist/server/static/dnt-policy/dnt-policy-1.0.txt'))
 158   }
 159 )
 160
 161 // dnt service (see https://www.w3.org/TR/tracking-dnt/#status-resource)
 162 staticRouter.use('/.well-known/dnt/',
 163   (_, res: express.Response) => {
 164     res.json({ tracking: 'N' })
 165   }
 166 )
 167
 168 staticRouter.use('/.well-known/change-password',
 169   (_, res: express.Response) => {
 170     res.redirect('/my-account/settings')
 171   }
 172 )
 173
 174 staticRouter.use('/.well-known/host-meta',
 175   (_, res: express.Response) => {
 176     res.type('application/xml')
 177
 178     const xml = '<?xml version="1.0" encoding="UTF-8"?>\n' +
 179       '<XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0">\n' +
 180       `  <Link rel="lrdd" type="application/xrd+xml" template="${WEBSERVER.URL}/.well-known/webfinger?resource={uri}"/>\n` +
 181       '</XRD>'
 182
 183     res.send(xml).end()
 184   }
 185 )
 186
 187 // ---------------------------------------------------------------------------
 188
 189 export {
 190   staticRouter
 191 }
 192
 193 // ---------------------------------------------------------------------------
 194
 195 async function generateNodeinfo (req: express.Request, res: express.Response) {
 196   const { totalVideos } = await VideoModel.getStats()
 197   const { totalLocalVideoComments } = await VideoCommentModel.getStats()
 198   const { totalUsers } = await UserModel.getStats()
 199   let json = {}
 200
 201   if (req.params.version && (req.params.version === '2.0')) {
 202     json = {
 203       version: '2.0',
 204       software: {
 205         name: 'peertube',
 206         version: PEERTUBE_VERSION
 207       },
 208       protocols: [
 209         'activitypub'
 210       ],
 211       services: {
 212         inbound: [],
 213         outbound: [
 214           'atom1.0',
 215           'rss2.0'
 216         ]
 217       },
 218       openRegistrations: CONFIG.SIGNUP.ENABLED,
 219       usage: {
 220         users: {
 221           total: totalUsers
 222         },
 223         localPosts: totalVideos,
 224         localComments: totalLocalVideoComments
 225       },
 226       metadata: {
 227         taxonomy: {
 228           postsName: 'Videos'
 229         },
 230         nodeName: CONFIG.INSTANCE.NAME,
 231         nodeDescription: CONFIG.INSTANCE.SHORT_DESCRIPTION
 232       }
 233     } as HttpNodeinfoDiasporaSoftwareNsSchema20
 234     res.contentType('application/json; profile="http://nodeinfo.diaspora.software/ns/schema/2.0#"')
 235   } else {
 236     json = { error: 'Nodeinfo schema version not handled' }
 237     res.status(404)
 238   }
 239
 240   return res.send(json).end()
 241 }
 242
 243 async function downloadTorrent (req: express.Request, res: express.Response) {
 244   const video = res.locals.videoAll
 245
 246   const videoFile = getVideoFile(req, video.VideoFiles)
 247   if (!videoFile) return res.status(404).end()
 248
 249   return res.download(getTorrentFilePath(video, videoFile), `${video.name}-${videoFile.resolution}p.torrent`)
 250 }
 251
 252 async function downloadHLSVideoFileTorrent (req: express.Request, res: express.Response) {
 253   const video = res.locals.videoAll
 254
 255   const playlist = getHLSPlaylist(video)
 256   if (!playlist) return res.status(404).end
 257
 258   const videoFile = getVideoFile(req, playlist.VideoFiles)
 259   if (!videoFile) return res.status(404).end()
 260
 261   return res.download(getTorrentFilePath(playlist, videoFile), `${video.name}-${videoFile.resolution}p-hls.torrent`)
 262 }
 263
 264 async function downloadVideoFile (req: express.Request, res: express.Response) {
 265   const video = res.locals.videoAll
 266
 267   const videoFile = getVideoFile(req, video.VideoFiles)
 268   if (!videoFile) return res.status(404).end()
 269
 270   return res.download(getVideoFilePath(video, videoFile), `${video.name}-${videoFile.resolution}p${videoFile.extname}`)
 271 }
 272
 273 async function downloadHLSVideoFile (req: express.Request, res: express.Response) {
 274   const video = res.locals.videoAll
 275   const playlist = getHLSPlaylist(video)
 276   if (!playlist) return res.status(404).end
 277
 278   const videoFile = getVideoFile(req, playlist.VideoFiles)
 279   if (!videoFile) return res.status(404).end()
 280
 281   const filename = `${video.name}-${videoFile.resolution}p-${playlist.getStringType()}${videoFile.extname}`
 282   return res.download(getVideoFilePath(playlist, videoFile), filename)
 283 }
 284
 285 function getVideoFile (req: express.Request, files: MVideoFile[]) {
 286   const resolution = parseInt(req.params.resolution, 10)
 287   return files.find(f => f.resolution === resolution)
 288 }
 289
 290 function getHLSPlaylist (video: MVideoFullLight) {
 291   const playlist = video.VideoStreamingPlaylists.find(p => p.type === VideoStreamingPlaylistType.HLS)
 292   if (!playlist) return undefined
 293
 294   return Object.assign(playlist, { Video: video })
 295 }