server/controllers/services.ts

   1 import * as express from 'express'
   2 import { CONFIG, EMBED_SIZE, PREVIEWS_SIZE } from '../initializers'
   3 import { asyncMiddleware, oembedValidator } from '../middlewares'
   4 import { accountsNameWithHostGetValidator } from '../middlewares/validators'
   5 import { VideoModel } from '../models/video/video'
   6
   7 const servicesRouter = express.Router()
   8
   9 servicesRouter.use('/oembed',
  10   asyncMiddleware(oembedValidator),
  11   generateOEmbed
  12 )
  13 servicesRouter.use('/redirect/accounts/:accountName',
  14   asyncMiddleware(accountsNameWithHostGetValidator),
  15   redirectToAccountUrl
  16 )
  17
  18 // ---------------------------------------------------------------------------
  19
  20 export {
  21   servicesRouter
  22 }
  23
  24 // ---------------------------------------------------------------------------
  25
  26 function generateOEmbed (req: express.Request, res: express.Response, next: express.NextFunction) {
  27   const video = res.locals.video as VideoModel
  28   const webserverUrl = CONFIG.WEBSERVER.URL
  29   const maxHeight = parseInt(req.query.maxheight, 10)
  30   const maxWidth = parseInt(req.query.maxwidth, 10)
  31
  32   const embedUrl = webserverUrl + video.getEmbedPath()
  33   let thumbnailUrl = webserverUrl + video.getPreviewPath()
  34   let embedWidth = EMBED_SIZE.width
  35   let embedHeight = EMBED_SIZE.height
  36
  37   if (maxHeight < embedHeight) embedHeight = maxHeight
  38   if (maxWidth < embedWidth) embedWidth = maxWidth
  39
  40   // Our thumbnail is too big for the consumer
  41   if (
  42     (maxHeight !== undefined && maxHeight < PREVIEWS_SIZE.height) ||
  43     (maxWidth !== undefined && maxWidth < PREVIEWS_SIZE.width)
  44   ) {
  45     thumbnailUrl = undefined
  46   }
  47
  48   const html = `<iframe width="${embedWidth}" height="${embedHeight}" sandbox="allow-same-origin allow-scripts" ` +
  49     `src="${embedUrl}" frameborder="0" allowfullscreen></iframe>`
  50
  51   const json: any = {
  52     type: 'video',
  53     version: '1.0',
  54     html,
  55     width: embedWidth,
  56     height: embedHeight,
  57     title: video.name,
  58     author_name: video.VideoChannel.Account.name,
  59     author_url: video.VideoChannel.Account.Actor.url,
  60     provider_name: 'PeerTube',
  61     provider_url: webserverUrl
  62   }
  63
  64   if (thumbnailUrl !== undefined) {
  65     json.thumbnail_url = thumbnailUrl
  66     json.thumbnail_width = PREVIEWS_SIZE.width
  67     json.thumbnail_height = PREVIEWS_SIZE.height
  68   }
  69
  70   return res.json(json)
  71 }
  72
  73 function redirectToAccountUrl (req: express.Request, res: express.Response, next: express.NextFunction) {
  74   return res.redirect(res.locals.account.Actor.url)
  75 }