Live streaming implementation first step

[github/Chocobozzz/PeerTube.git] / server / middlewares / validators / oembed.ts

diff --git a/server/middlewares/validators/oembed.ts b/server/middlewares/validators/oembed.ts
index f8e34d2d429f846cf6bd44b3934620b028e9c208..c9f9ea0c0708ed1e8db2d389e85290498fc5b3b5 100644 (file)
--- a/server/middlewares/validators/oembed.ts
+++ b/server/middlewares/validators/oembed.ts
@@ -1,18 +1,19 @@
-import { query } from 'express-validator/check'
 import * as express from 'express'
+import { query } from 'express-validator'
 import { join } from 'path'
+import { fetchVideo } from '@server/helpers/video'
+import { VideoPlaylistModel } from '@server/models/video/video-playlist'
+import { VideoPlaylistPrivacy, VideoPrivacy } from '@shared/models'
+import { isTestInstance } from '../../helpers/core-utils'
+import { isIdOrUUIDValid } from '../../helpers/custom-validators/misc'
+import { logger } from '../../helpers/logger'
+import { WEBSERVER } from '../../initializers/constants'
+import { areValidationErrors } from './utils'
 
-import { checkErrors } from './utils'
-import { CONFIG } from '../../initializers'
-import {
-  logger,
-  isTestInstance,
-  checkVideoExists,
-  isIdOrUUIDValid
-} from '../../helpers'
-
-const urlShouldStartWith = CONFIG.WEBSERVER.SCHEME + '://' + join(CONFIG.WEBSERVER.HOST, 'videos', 'watch') + '/'
-const videoWatchRegex = new RegExp('([^/]+)$')
+const startVideoPlaylistsURL = WEBSERVER.SCHEME + '://' + join(WEBSERVER.HOST, 'videos', 'watch', 'playlist') + '/'
+const startVideosURL = WEBSERVER.SCHEME + '://' + join(WEBSERVER.HOST, 'videos', 'watch') + '/'
+
+const watchRegex = new RegExp('([^/]+)$')
 const isURLOptions = {
   require_host: true,
   require_tld: true
@@ -29,34 +30,70 @@ const oembedValidator = [
   query('maxheight').optional().isInt().withMessage('Should have a valid max height'),
   query('format').optional().isIn([ 'xml', 'json' ]).withMessage('Should have a valid format'),
 
-  (req: express.Request, res: express.Response, next: express.NextFunction) => {
+  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
     logger.debug('Checking oembed parameters', { parameters: req.query })
 
-    checkErrors(req, res, () => {
-      if (req.query.format !== undefined && req.query.format !== 'json') {
-        return res.status(501)
-                  .json({ error: 'Requested format is not implemented on server.' })
-                  .end()
-      }
+    if (areValidationErrors(req, res)) return
+
+    if (req.query.format !== undefined && req.query.format !== 'json') {
+      return res.status(501)
+        .json({ error: 'Requested format is not implemented on server.' })
+    }
+
+    const url = req.query.url as string
+
+    const isPlaylist = url.startsWith(startVideoPlaylistsURL)
+    const isVideo = isPlaylist ? false : url.startsWith(startVideosURL)
+
+    const startIsOk = isVideo || isPlaylist
+
+    const matches = watchRegex.exec(url)
+
+    if (startIsOk === false || matches === null) {
+      return res.status(400)
+        .json({ error: 'Invalid url.' })
+    }
 
-      const startIsOk = req.query.url.startsWith(urlShouldStartWith)
-      const matches = videoWatchRegex.exec(req.query.url)
-      if (startIsOk === false || matches === null) {
-        return res.status(400)
-                  .json({ error: 'Invalid url.' })
-                  .end()
+    const elementId = matches[1]
+    if (isIdOrUUIDValid(elementId) === false) {
+      return res.status(400)
+        .json({ error: 'Invalid video or playlist id.' })
+    }
+
+    if (isVideo) {
+      const video = await fetchVideo(elementId, 'all')
+
+      if (!video) {
+        return res.status(404)
+          .json({ error: 'Video not found' })
       }
 
-      const videoId = matches[1]
-      if (isIdOrUUIDValid(videoId) === false) {
-        return res.status(400)
-                  .json({ error: 'Invalid video id.' })
-                  .end()
+      if (video.privacy !== VideoPrivacy.PUBLIC) {
+        return res.status(403)
+          .json({ error: 'Video is not public' })
       }
 
-      checkVideoExists(videoId, res, next)
-    })
+      res.locals.videoAll = video
+      return next()
+    }
+
+    // Is playlist
+
+    const videoPlaylist = await VideoPlaylistModel.loadWithAccountAndChannelSummary(elementId, undefined)
+    if (!videoPlaylist) {
+      return res.status(404)
+        .json({ error: 'Video playlist not found' })
+    }
+
+    if (videoPlaylist.privacy !== VideoPlaylistPrivacy.PUBLIC) {
+      return res.status(403)
+        .json({ error: 'Playlist is not public' })
+    }
+
+    res.locals.videoPlaylistSummary = videoPlaylist
+    return next()
   }
+
 ]
 
 // ---------------------------------------------------------------------------