server/helpers/custom-validators/activitypub/misc.ts

   1 import * as validator from 'validator'
   2 import { exists } from '../misc'
   3 import { isTestInstance } from '../../core-utils'
   4 import { CONSTRAINTS_FIELDS } from '../../../initializers/constants'
   5
   6 function isActivityPubUrlValid (url: string) {
   7   const isURLOptions = {
   8     require_host: true,
   9     require_tld: true,
  10     require_protocol: true,
  11     require_valid_protocol: true,
  12     protocols: [ 'http', 'https' ]
  13   }
  14
  15   // We validate 'localhost', so we don't have the top level domain
  16   if (isTestInstance()) {
  17     isURLOptions.require_tld = false
  18   }
  19
  20   return exists(url) && validator.isURL(url, isURLOptions) && validator.isLength(url, CONSTRAINTS_FIELDS.ACCOUNTS.URL)
  21 }
  22
  23 function isBaseActivityValid (activity: any, type: string) {
  24   return (activity['@context'] === undefined || Array.isArray(activity['@context'])) &&
  25     activity.type === type &&
  26     isActivityPubUrlValid(activity.id) &&
  27     isActivityPubUrlValid(activity.actor) &&
  28     (
  29       activity.to === undefined ||
  30       (Array.isArray(activity.to) && activity.to.every(t => isActivityPubUrlValid(t)))
  31     )
  32 }
  33
  34 export {
  35   isActivityPubUrlValid,
  36   isBaseActivityValid
  37 }