server/middlewares/validators/video-channels.ts

   1 import * as express from 'express'
   2 import { body, param } from 'express-validator/check'
   3 import { UserRight } from '../../../shared'
   4 import { isAccountNameWithHostExist } from '../../helpers/custom-validators/accounts'
   5 import {
   6   isLocalVideoChannelNameExist,
   7   isVideoChannelDescriptionValid,
   8   isVideoChannelNameValid,
   9   isVideoChannelNameWithHostExist,
  10   isVideoChannelSupportValid
  11 } from '../../helpers/custom-validators/video-channels'
  12 import { logger } from '../../helpers/logger'
  13 import { UserModel } from '../../models/account/user'
  14 import { VideoChannelModel } from '../../models/video/video-channel'
  15 import { areValidationErrors } from './utils'
  16 import { isActorPreferredUsernameValid } from '../../helpers/custom-validators/activitypub/actor'
  17
  18 const listVideoAccountChannelsValidator = [
  19   param('accountName').exists().withMessage('Should have a valid account name'),
  20
  21   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  22     logger.debug('Checking listVideoAccountChannelsValidator parameters', { parameters: req.body })
  23
  24     if (areValidationErrors(req, res)) return
  25     if (!await isAccountNameWithHostExist(req.params.accountName, res)) return
  26
  27     return next()
  28   }
  29 ]
  30
  31 const videoChannelsAddValidator = [
  32   body('name').custom(isActorPreferredUsernameValid).withMessage('Should have a valid channel name'),
  33   body('displayName').custom(isVideoChannelNameValid).withMessage('Should have a valid display name'),
  34   body('description').optional().custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
  35   body('support').optional().custom(isVideoChannelSupportValid).withMessage('Should have a valid support text'),
  36
  37   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  38     logger.debug('Checking videoChannelsAdd parameters', { parameters: req.body })
  39
  40     if (areValidationErrors(req, res)) return
  41
  42     return next()
  43   }
  44 ]
  45
  46 const videoChannelsUpdateValidator = [
  47   param('nameWithHost').exists().withMessage('Should have an video channel name with host'),
  48   body('displayName').optional().custom(isVideoChannelNameValid).withMessage('Should have a valid display name'),
  49   body('description').optional().custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
  50   body('support').optional().custom(isVideoChannelSupportValid).withMessage('Should have a valid support text'),
  51
  52   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  53     logger.debug('Checking videoChannelsUpdate parameters', { parameters: req.body })
  54
  55     if (areValidationErrors(req, res)) return
  56     if (!await isVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return
  57
  58     // We need to make additional checks
  59     if (res.locals.videoChannel.Actor.isOwned() === false) {
  60       return res.status(403)
  61         .json({ error: 'Cannot update video channel of another server' })
  62         .end()
  63     }
  64
  65     if (res.locals.videoChannel.Account.userId !== res.locals.oauth.token.User.id) {
  66       return res.status(403)
  67         .json({ error: 'Cannot update video channel of another user' })
  68         .end()
  69     }
  70
  71     return next()
  72   }
  73 ]
  74
  75 const videoChannelsRemoveValidator = [
  76   param('nameWithHost').exists().withMessage('Should have an video channel name with host'),
  77
  78   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  79     logger.debug('Checking videoChannelsRemove parameters', { parameters: req.params })
  80
  81     if (areValidationErrors(req, res)) return
  82     if (!await isVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return
  83
  84     if (!checkUserCanDeleteVideoChannel(res.locals.oauth.token.User, res.locals.videoChannel, res)) return
  85     if (!await checkVideoChannelIsNotTheLastOne(res)) return
  86
  87     return next()
  88   }
  89 ]
  90
  91 const videoChannelsNameWithHostValidator = [
  92   param('nameWithHost').exists().withMessage('Should have an video channel name with host'),
  93
  94   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  95     logger.debug('Checking videoChannelsNameWithHostValidator parameters', { parameters: req.params })
  96
  97     if (areValidationErrors(req, res)) return
  98
  99     if (!await isVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return
 100
 101     return next()
 102   }
 103 ]
 104
 105 const localVideoChannelValidator = [
 106   param('name').custom(isVideoChannelNameValid).withMessage('Should have a valid video channel name'),
 107
 108   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 109     logger.debug('Checking localVideoChannelValidator parameters', { parameters: req.params })
 110
 111     if (areValidationErrors(req, res)) return
 112     if (!await isLocalVideoChannelNameExist(req.params.name, res)) return
 113
 114     return next()
 115   }
 116 ]
 117
 118 // ---------------------------------------------------------------------------
 119
 120 export {
 121   listVideoAccountChannelsValidator,
 122   videoChannelsAddValidator,
 123   videoChannelsUpdateValidator,
 124   videoChannelsRemoveValidator,
 125   videoChannelsNameWithHostValidator,
 126   localVideoChannelValidator
 127 }
 128
 129 // ---------------------------------------------------------------------------
 130
 131 function checkUserCanDeleteVideoChannel (user: UserModel, videoChannel: VideoChannelModel, res: express.Response) {
 132   if (videoChannel.Actor.isOwned() === false) {
 133     res.status(403)
 134               .json({ error: 'Cannot remove video channel of another server.' })
 135               .end()
 136
 137     return false
 138   }
 139
 140   // Check if the user can delete the video channel
 141   // The user can delete it if s/he is an admin
 142   // Or if s/he is the video channel's account
 143   if (user.hasRight(UserRight.REMOVE_ANY_VIDEO_CHANNEL) === false && videoChannel.Account.userId !== user.id) {
 144     res.status(403)
 145               .json({ error: 'Cannot remove video channel of another user' })
 146               .end()
 147
 148     return false
 149   }
 150
 151   return true
 152 }
 153
 154 async function checkVideoChannelIsNotTheLastOne (res: express.Response) {
 155   const count = await VideoChannelModel.countByAccount(res.locals.oauth.token.User.Account.id)
 156
 157   if (count <= 1) {
 158     res.status(409)
 159       .json({ error: 'Cannot remove the last channel of this user' })
 160       .end()
 161
 162     return false
 163   }
 164
 165   return true
 166 }