server/middlewares/validators/user-subscriptions.ts

   1 import * as express from 'express'
   2 import 'express-validator'
   3 import { body, param, query } from 'express-validator/check'
   4 import { logger } from '../../helpers/logger'
   5 import { areValidationErrors } from './utils'
   6 import { ActorFollowModel } from '../../models/activitypub/actor-follow'
   7 import { areValidActorHandles, isValidActorHandle } from '../../helpers/custom-validators/activitypub/actor'
   8 import { toArray } from '../../helpers/custom-validators/misc'
   9 import { WEBSERVER } from '../../initializers/constants'
  10
  11 const userSubscriptionAddValidator = [
  12   body('uri').custom(isValidActorHandle).withMessage('Should have a valid URI to follow (username@domain)'),
  13
  14   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  15     logger.debug('Checking userSubscriptionAddValidator parameters', { parameters: req.body })
  16
  17     if (areValidationErrors(req, res)) return
  18
  19     return next()
  20   }
  21 ]
  22
  23 const areSubscriptionsExistValidator = [
  24   query('uris')
  25     .customSanitizer(toArray)
  26     .custom(areValidActorHandles).withMessage('Should have a valid uri array'),
  27
  28   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  29     logger.debug('Checking areSubscriptionsExistValidator parameters', { parameters: req.query })
  30
  31     if (areValidationErrors(req, res)) return
  32
  33     return next()
  34   }
  35 ]
  36
  37 const userSubscriptionGetValidator = [
  38   param('uri').custom(isValidActorHandle).withMessage('Should have a valid URI to unfollow'),
  39
  40   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  41     logger.debug('Checking userSubscriptionGetValidator parameters', { parameters: req.params })
  42
  43     if (areValidationErrors(req, res)) return
  44
  45     let [ name, host ] = req.params.uri.split('@')
  46     if (host === WEBSERVER.HOST) host = null
  47
  48     const user = res.locals.oauth.token.User
  49     const subscription = await ActorFollowModel.loadByActorAndTargetNameAndHostForAPI(user.Account.Actor.id, name, host)
  50
  51     if (!subscription || !subscription.ActorFollowing.VideoChannel) {
  52       return res
  53         .status(404)
  54         .json({
  55           error: `Subscription ${req.params.uri} not found.`
  56         })
  57         .end()
  58     }
  59
  60     res.locals.subscription = subscription
  61     return next()
  62   }
  63 ]
  64
  65 // ---------------------------------------------------------------------------
  66
  67 export {
  68   areSubscriptionsExistValidator,
  69   userSubscriptionAddValidator,
  70   userSubscriptionGetValidator
  71 }