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