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

   1 import * as validator from 'validator'
   2 import { exists, isDateValid } from '../misc'
   3 import { isActivityPubUrlValid, isBaseActivityValid } from './misc'
   4 import * as sanitizeHtml from 'sanitize-html'
   5
   6 function isVideoCommentCreateActivityValid (activity: any) {
   7   return isBaseActivityValid(activity, 'Create') &&
   8     isVideoCommentObjectValid(activity.object)
   9 }
  10
  11 function isVideoCommentObjectValid (comment: any) {
  12   return comment.type === 'Note' &&
  13     isActivityPubUrlValid(comment.id) &&
  14     sanitizeCommentHTML(comment) &&
  15     isCommentContentValid(comment.content) &&
  16     isActivityPubUrlValid(comment.inReplyTo) &&
  17     isDateValid(comment.published) &&
  18     isActivityPubUrlValid(comment.url)
  19 }
  20
  21 // ---------------------------------------------------------------------------
  22
  23 export {
  24   isVideoCommentCreateActivityValid
  25 }
  26
  27 // ---------------------------------------------------------------------------
  28
  29 function sanitizeCommentHTML (comment: any) {
  30   return sanitizeHtml(comment.content, {
  31     allowedTags: [ 'b', 'i', 'em', 'span', 'a' ],
  32     allowedAttributes: {
  33       'a': [ 'href' ]
  34     }
  35   })
  36 }
  37
  38 function isCommentContentValid (content: any) {
  39   return exists(content) && validator.isLength('' + content, { min: 1 })
  40 }