server/middlewares/validators/activitypub/activity.ts

   1 import express from 'express'
   2 import { getServerActor } from '@server/models/application/application'
   3 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
   4 import { isRootActivityValid } from '../../../helpers/custom-validators/activitypub/activity'
   5 import { logger } from '../../../helpers/logger'
   6
   7 async function activityPubValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
   8   logger.debug('Checking activity pub parameters')
   9
  10   if (!isRootActivityValid(req.body)) {
  11     logger.warn('Incorrect activity parameters.', { activity: req.body })
  12     return res.fail({ message: 'Incorrect activity' })
  13   }
  14
  15   const serverActor = await getServerActor()
  16   const remoteActor = res.locals.signature.actor
  17   if (serverActor.id === remoteActor.id || remoteActor.serverId === null) {
  18     logger.error('Receiving request in INBOX by ourselves!', req.body)
  19     return res.status(HttpStatusCode.CONFLICT_409).end()
  20   }
  21
  22   return next()
  23 }
  24
  25 // ---------------------------------------------------------------------------
  26
  27 export {
  28   activityPubValidator
  29 }