server/middlewares/validators/feeds.ts

   1 import * as express from 'express'
   2 import { param, query } from 'express-validator'
   3 import { isIdOrUUIDValid, isIdValid } from '../../helpers/custom-validators/misc'
   4 import { logger } from '../../helpers/logger'
   5 import { areValidationErrors } from './utils'
   6 import { isValidRSSFeed } from '../../helpers/custom-validators/feeds'
   7 import { doesVideoExist } from '../../helpers/middlewares/videos'
   8 import {
   9   doesAccountIdExist,
  10   doesAccountNameWithHostExist,
  11   doesVideoChannelIdExist,
  12   doesVideoChannelNameWithHostExist
  13 } from '../../helpers/middlewares'
  14
  15 const feedsFormatValidator = [
  16   param('format').optional().custom(isValidRSSFeed).withMessage('Should have a valid format (rss, atom, json)'),
  17   query('format').optional().custom(isValidRSSFeed).withMessage('Should have a valid format (rss, atom, json)')
  18 ]
  19
  20 function setFeedFormatContentType (req: express.Request, res: express.Response, next: express.NextFunction) {
  21   const format = req.query.format || req.params.format || 'rss'
  22
  23   let acceptableContentTypes: string[]
  24   if (format === 'atom' || format === 'atom1') {
  25     acceptableContentTypes = [ 'application/atom+xml', 'application/xml', 'text/xml' ]
  26   } else if (format === 'json' || format === 'json1') {
  27     acceptableContentTypes = [ 'application/json' ]
  28   } else if (format === 'rss' || format === 'rss2') {
  29     acceptableContentTypes = [ 'application/rss+xml', 'application/xml', 'text/xml' ]
  30   } else {
  31     acceptableContentTypes = [ 'application/xml', 'text/xml' ]
  32   }
  33
  34   if (req.accepts(acceptableContentTypes)) {
  35     res.set('Content-Type', req.accepts(acceptableContentTypes) as string)
  36   } else {
  37     return res.status(406).send({
  38       message: `You should accept at least one of the following content-types: ${acceptableContentTypes.join(', ')}`
  39     }).end()
  40   }
  41
  42   return next()
  43 }
  44
  45 const videoFeedsValidator = [
  46   query('accountId').optional().custom(isIdValid),
  47   query('accountName').optional(),
  48   query('videoChannelId').optional().custom(isIdValid),
  49   query('videoChannelName').optional(),
  50
  51   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  52     logger.debug('Checking feeds parameters', { parameters: req.query })
  53
  54     if (areValidationErrors(req, res)) return
  55
  56     if (req.query.accountId && !await doesAccountIdExist(req.query.accountId, res)) return
  57     if (req.query.videoChannelId && !await doesVideoChannelIdExist(req.query.videoChannelId, res)) return
  58     if (req.query.accountName && !await doesAccountNameWithHostExist(req.query.accountName, res)) return
  59     if (req.query.videoChannelName && !await doesVideoChannelNameWithHostExist(req.query.videoChannelName, res)) return
  60
  61     return next()
  62   }
  63 ]
  64
  65 const videoCommentsFeedsValidator = [
  66   query('videoId').optional().custom(isIdOrUUIDValid),
  67
  68   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  69     logger.debug('Checking feeds parameters', { parameters: req.query })
  70
  71     if (areValidationErrors(req, res)) return
  72
  73     if (req.query.videoId && !await doesVideoExist(req.query.videoId, res)) return
  74
  75     return next()
  76   }
  77 ]
  78
  79 // ---------------------------------------------------------------------------
  80
  81 export {
  82   feedsFormatValidator,
  83   setFeedFormatContentType,
  84   videoFeedsValidator,
  85   videoCommentsFeedsValidator
  86 }