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