server/helpers/custom-validators/activitypub/video-comments.ts

   1 import * as validator from 'validator'
   2 import { ACTIVITY_PUB } from '../../../initializers/constants'
   3 import { exists, isArray, isDateValid } from '../misc'
   4 import { isActivityPubUrlValid } from './misc'
   5
   6 function isTypeValid (comment: any): boolean {
   7   if (comment.type === 'Note') return true
   8
   9   if (comment.type === 'Tombstone' && comment.formerType === 'Note') return true
  10
  11   return false
  12 }
  13
  14 function sanitizeAndCheckVideoCommentObject (comment: any) {
  15   if (!comment) return false
  16
  17   if (!isTypeValid(comment)) return false
  18
  19   normalizeComment(comment)
  20
  21   if (comment.type === 'Tombstone') {
  22     return isActivityPubUrlValid(comment.id) &&
  23       isDateValid(comment.published) &&
  24       isDateValid(comment.deleted) &&
  25       isActivityPubUrlValid(comment.url)
  26   }
  27
  28   return isActivityPubUrlValid(comment.id) &&
  29     isCommentContentValid(comment.content) &&
  30     isActivityPubUrlValid(comment.inReplyTo) &&
  31     isDateValid(comment.published) &&
  32     isActivityPubUrlValid(comment.url) &&
  33     isArray(comment.to) &&
  34     (
  35       comment.to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1 ||
  36       comment.cc.indexOf(ACTIVITY_PUB.PUBLIC) !== -1
  37     ) // Only accept public comments
  38 }
  39
  40 // ---------------------------------------------------------------------------
  41
  42 export {
  43   sanitizeAndCheckVideoCommentObject
  44 }
  45
  46 // ---------------------------------------------------------------------------
  47
  48 function isCommentContentValid (content: any) {
  49   return exists(content) && validator.isLength('' + content, { min: 1 })
  50 }
  51
  52 function normalizeComment (comment: any) {
  53   if (!comment) return
  54
  55   if (typeof comment.url !== 'string') {
  56     if (typeof comment.url === 'object') comment.url = comment.url.href || comment.url.url
  57     else comment.url = comment.id
  58   }
  59
  60   return
  61 }