server/controllers/static.ts

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