server/middlewares/validators/user-subscriptions.ts

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