server/server -> server/core

server/core/controllers/services.ts

@@ -0,0 +1,164 @@
+import express from 'express'
+import { escapeHTML, forceNumber } from '@peertube/peertube-core-utils'
+import { MChannelSummary } from '@server/types/models/index.js'
+import { EMBED_SIZE, PREVIEWS_SIZE, THUMBNAILS_SIZE, WEBSERVER } from '../initializers/constants.js'
+import { apiRateLimiter, asyncMiddleware, oembedValidator } from '../middlewares/index.js'
+import { accountNameWithHostGetValidator } from '../middlewares/validators/index.js'
+
+const servicesRouter = express.Router()
+
+servicesRouter.use('/oembed',
+  apiRateLimiter,
+  asyncMiddleware(oembedValidator),
+  generateOEmbed
+)
+servicesRouter.use('/redirect/accounts/:accountName',
+  apiRateLimiter,
+  asyncMiddleware(accountNameWithHostGetValidator),
+  redirectToAccountUrl
+)
+
+// ---------------------------------------------------------------------------
+
+export {
+  servicesRouter
+}
+
+// ---------------------------------------------------------------------------
+
+function generateOEmbed (req: express.Request, res: express.Response) {
+  if (res.locals.videoAll) return generateVideoOEmbed(req, res)
+
+  return generatePlaylistOEmbed(req, res)
+}
+
+function generatePlaylistOEmbed (req: express.Request, res: express.Response) {
+  const playlist = res.locals.videoPlaylistSummary
+
+  const json = buildOEmbed({
+    channel: playlist.VideoChannel,
+    title: playlist.name,
+    embedPath: playlist.getEmbedStaticPath() + buildPlayerURLQuery(req.query.url),
+    previewPath: playlist.getThumbnailStaticPath(),
+    previewSize: THUMBNAILS_SIZE,
+    req
+  })
+
+  return res.json(json)
+}
+
+function generateVideoOEmbed (req: express.Request, res: express.Response) {
+  const video = res.locals.videoAll
+
+  const json = buildOEmbed({
+    channel: video.VideoChannel,
+    title: video.name,
+    embedPath: video.getEmbedStaticPath() + buildPlayerURLQuery(req.query.url),
+    previewPath: video.getPreviewStaticPath(),
+    previewSize: PREVIEWS_SIZE,
+    req
+  })
+
+  return res.json(json)
+}
+
+function buildPlayerURLQuery (inputQueryUrl: string) {
+  const allowedParameters = new Set([
+    'start',
+    'stop',
+    'loop',
+    'autoplay',
+    'muted',
+    'controls',
+    'controlBar',
+    'title',
+    'api',
+    'warningTitle',
+    'peertubeLink',
+    'p2p',
+    'subtitle',
+    'bigPlayBackgroundColor',
+    'mode',
+    'foregroundColor'
+  ])
+
+  const params = new URLSearchParams()
+
+  new URL(inputQueryUrl).searchParams.forEach((v, k) => {
+    if (allowedParameters.has(k)) {
+      params.append(k, v)
+    }
+  })
+
+  const stringQuery = params.toString()
+  if (!stringQuery) return ''
+
+  return '?' + stringQuery
+}
+
+function buildOEmbed (options: {
+  req: express.Request
+  title: string
+  channel: MChannelSummary
+  previewPath: string | null
+  embedPath: string
+  previewSize: {
+    height: number
+    width: number
+  }
+}) {
+  const { req, previewSize, previewPath, title, channel, embedPath } = options
+
+  const webserverUrl = WEBSERVER.URL
+  const maxHeight = forceNumber(req.query.maxheight)
+  const maxWidth = forceNumber(req.query.maxwidth)
+
+  const embedUrl = webserverUrl + embedPath
+  const embedTitle = escapeHTML(title)
+
+  let thumbnailUrl = previewPath
+    ? webserverUrl + previewPath
+    : undefined
+
+  let embedWidth = EMBED_SIZE.width
+  if (maxWidth < embedWidth) embedWidth = maxWidth
+
+  let embedHeight = EMBED_SIZE.height
+  if (maxHeight < embedHeight) embedHeight = maxHeight
+
+  // Our thumbnail is too big for the consumer
+  if (
+    (maxHeight !== undefined && maxHeight < previewSize.height) ||
+    (maxWidth !== undefined && maxWidth < previewSize.width)
+  ) {
+    thumbnailUrl = undefined
+  }
+
+  const html = `<iframe width="${embedWidth}" height="${embedHeight}" sandbox="allow-same-origin allow-scripts allow-popups" ` +
+    `title="${embedTitle}" src="${embedUrl}" frameborder="0" allowfullscreen></iframe>`
+
+  const json: any = {
+    type: 'video',
+    version: '1.0',
+    html,
+    width: embedWidth,
+    height: embedHeight,
+    title,
+    author_name: channel.name,
+    author_url: channel.Actor.url,
+    provider_name: 'PeerTube',
+    provider_url: webserverUrl
+  }
+
+  if (thumbnailUrl !== undefined) {
+    json.thumbnail_url = thumbnailUrl
+    json.thumbnail_width = previewSize.width
+    json.thumbnail_height = previewSize.height
+  }
+
+  return json
+}
+
+function redirectToAccountUrl (req: express.Request, res: express.Response, next: express.NextFunction) {
+  return res.redirect(res.locals.account.Actor.url)
+}