server/controllers/services.ts

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