server/middlewares/validators/activitypub/activity.ts

   1 import * as express from 'express'
   2 import { isRootActivityValid } from '../../../helpers/custom-validators/activitypub/activity'
   3 import { logger } from '../../../helpers/logger'
   4 import { getServerActor } from '@server/models/application/application'
   5
   6 async function activityPubValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
   7   logger.debug('Checking activity pub parameters')
   8
   9   if (!isRootActivityValid(req.body)) {
  10     logger.warn('Incorrect activity parameters.', { activity: req.body })
  11     return res.status(400).json({ error: 'Incorrect activity.' })
  12   }
  13
  14   const serverActor = await getServerActor()
  15   const remoteActor = res.locals.signature.actor
  16   if (serverActor.id === remoteActor.id) {
  17     logger.error('Receiving request in INBOX by ourselves!', req.body)
  18     return res.status(409).end()
  19   }
  20
  21   return next()
  22 }
  23
  24 // ---------------------------------------------------------------------------
  25
  26 export {
  27   activityPubValidator
  28 }