server/middlewares/validators/activitypub/signature.ts

   1 import * as express from 'express'
   2 import { body } from 'express-validator'
   3 import {
   4   isSignatureCreatorValid,
   5   isSignatureTypeValid,
   6   isSignatureValueValid
   7 } from '../../../helpers/custom-validators/activitypub/signature'
   8 import { isDateValid } from '../../../helpers/custom-validators/misc'
   9 import { logger } from '../../../helpers/logger'
  10 import { areValidationErrors } from '../shared'
  11
  12 const signatureValidator = [
  13   body('signature.type')
  14     .optional()
  15     .custom(isSignatureTypeValid).withMessage('Should have a valid signature type'),
  16   body('signature.created')
  17     .optional()
  18     .custom(isDateValid).withMessage('Should have a signature created date that conforms to ISO 8601'),
  19   body('signature.creator')
  20     .optional()
  21     .custom(isSignatureCreatorValid).withMessage('Should have a valid signature creator'),
  22   body('signature.signatureValue')
  23     .optional()
  24     .custom(isSignatureValueValid).withMessage('Should have a valid signature value'),
  25
  26   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  27     logger.debug('Checking Linked Data Signature parameter', { parameters: { signature: req.body.signature } })
  28
  29     if (areValidationErrors(req, res)) return
  30
  31     return next()
  32   }
  33 ]
  34
  35 // ---------------------------------------------------------------------------
  36
  37 export {
  38   signatureValidator
  39 }