server/controllers/feeds.ts

   1 import * as express from 'express'
   2 import { CONFIG, FEEDS } from '../initializers/constants'
   3 import { asyncMiddleware, feedsValidator, setDefaultSort, videosSortValidator } from '../middlewares'
   4 import { VideoModel } from '../models/video/video'
   5 import * as Feed from 'pfeed'
   6 import { ResultList } from '../../shared/models'
   7 import { AccountModel } from '../models/account/account'
   8 import { cacheRoute } from '../middlewares/cache'
   9
  10 const feedsRouter = express.Router()
  11
  12 feedsRouter.get('/feeds/videos.:format',
  13   videosSortValidator,
  14   setDefaultSort,
  15   asyncMiddleware(feedsValidator),
  16   asyncMiddleware(cacheRoute),
  17   asyncMiddleware(generateFeed)
  18 )
  19
  20 // ---------------------------------------------------------------------------
  21
  22 export {
  23   feedsRouter
  24 }
  25
  26 // ---------------------------------------------------------------------------
  27
  28 async function generateFeed (req: express.Request, res: express.Response, next: express.NextFunction) {
  29   let feed = initFeed()
  30   const start = 0
  31
  32   let resultList: ResultList<VideoModel>
  33   const account: AccountModel = res.locals.account
  34
  35   if (account) {
  36     resultList = await VideoModel.listAccountVideosForApi(
  37       account.id,
  38       start,
  39       FEEDS.COUNT,
  40       req.query.sort,
  41       true
  42     )
  43   } else {
  44     resultList = await VideoModel.listForApi(
  45       start,
  46       FEEDS.COUNT,
  47       req.query.sort,
  48       req.query.filter,
  49       true
  50     )
  51   }
  52
  53   // Adding video items to the feed, one at a time
  54   resultList.data.forEach(video => {
  55     const formattedVideoFiles = video.getFormattedVideoFilesJSON()
  56     const torrents = formattedVideoFiles.map(videoFile => ({
  57       title: video.name,
  58       url: videoFile.torrentUrl,
  59       size_in_bytes: videoFile.size
  60     }))
  61
  62     feed.addItem({
  63       title: video.name,
  64       id: video.url,
  65       link: video.url,
  66       description: video.getTruncatedDescription(),
  67       content: video.description,
  68       author: [
  69         {
  70           name: video.VideoChannel.Account.getDisplayName(),
  71           link: video.VideoChannel.Account.Actor.url
  72         }
  73       ],
  74       date: video.publishedAt,
  75       language: video.language,
  76       nsfw: video.nsfw,
  77       torrent: torrents
  78     })
  79   })
  80
  81   // Now the feed generation is done, let's send it!
  82   return sendFeed(feed, req, res)
  83 }
  84
  85 function initFeed () {
  86   const webserverUrl = CONFIG.WEBSERVER.URL
  87
  88   return new Feed({
  89     title: CONFIG.INSTANCE.NAME,
  90     description: CONFIG.INSTANCE.SHORT_DESCRIPTION,
  91     // updated: TODO: somehowGetLatestUpdate, // optional, default = today
  92     id: webserverUrl,
  93     link: webserverUrl,
  94     image: webserverUrl + '/client/assets/images/icons/icon-96x96.png',
  95     favicon: webserverUrl + '/client/assets/images/favicon.png',
  96     copyright: `All rights reserved, unless otherwise specified in the terms specified at ${webserverUrl}/about` +
  97     ` and potential licenses granted by each content's rightholder.`,
  98     generator: `Toraifōsu`, // ^.~
  99     feedLinks: {
 100       json: `${webserverUrl}/feeds/videos.json`,
 101       atom: `${webserverUrl}/feeds/videos.atom`,
 102       rss: `${webserverUrl}/feeds/videos.xml`
 103     },
 104     author: {
 105       name: 'Instance admin of ' + CONFIG.INSTANCE.NAME,
 106       email: CONFIG.ADMIN.EMAIL,
 107       link: `${webserverUrl}/about`
 108     }
 109   })
 110 }
 111
 112 function sendFeed (feed, req: express.Request, res: express.Response) {
 113   const format = req.params.format
 114
 115   if (format === 'atom' || format === 'atom1') {
 116     res.set('Content-Type', 'application/atom+xml')
 117     return res.send(feed.atom1()).end()
 118   }
 119
 120   if (format === 'json' || format === 'json1') {
 121     res.set('Content-Type', 'application/json')
 122     return res.send(feed.json1()).end()
 123   }
 124
 125   if (format === 'rss' || format === 'rss2') {
 126     res.set('Content-Type', 'application/rss+xml')
 127     return res.send(feed.rss2()).end()
 128   }
 129
 130   // We're in the ambiguous '.xml' case and we look at the format query parameter
 131   if (req.query.format === 'atom' || req.query.format === 'atom1') {
 132     res.set('Content-Type', 'application/atom+xml')
 133     return res.send(feed.atom1()).end()
 134   }
 135
 136   res.set('Content-Type', 'application/rss+xml')
 137   return res.send(feed.rss2()).end()
 138 }