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

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