server/middlewares/validators/videos/video-channels.ts

   1 import * as express from 'express'
   2 import { body, param, query } from 'express-validator'
   3 import { VIDEO_CHANNELS } from '@server/initializers/constants'
   4 import { MChannelAccountDefault, MUser } from '@server/types/models'
   5 import { UserRight } from '../../../../shared'
   6 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
   7 import { isActorPreferredUsernameValid } from '../../../helpers/custom-validators/activitypub/actor'
   8 import { isBooleanValid, toBooleanOrNull } from '../../../helpers/custom-validators/misc'
   9 import {
  10   isVideoChannelDescriptionValid,
  11   isVideoChannelNameValid,
  12   isVideoChannelSupportValid
  13 } from '../../../helpers/custom-validators/video-channels'
  14 import { logger } from '../../../helpers/logger'
  15 import { ActorModel } from '../../../models/actor/actor'
  16 import { VideoChannelModel } from '../../../models/video/video-channel'
  17 import { areValidationErrors, doesLocalVideoChannelNameExist, doesVideoChannelNameWithHostExist } from '../shared'
  18
  19 const videoChannelsAddValidator = [
  20   body('name').custom(isActorPreferredUsernameValid).withMessage('Should have a valid channel name'),
  21   body('displayName').custom(isVideoChannelNameValid).withMessage('Should have a valid display name'),
  22   body('description').optional().custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
  23   body('support').optional().custom(isVideoChannelSupportValid).withMessage('Should have a valid support text'),
  24
  25   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  26     logger.debug('Checking videoChannelsAdd parameters', { parameters: req.body })
  27
  28     if (areValidationErrors(req, res)) return
  29
  30     const actor = await ActorModel.loadLocalByName(req.body.name)
  31     if (actor) {
  32       res.fail({
  33         status: HttpStatusCode.CONFLICT_409,
  34         message: 'Another actor (account/channel) with this name on this instance already exists or has already existed.'
  35       })
  36       return false
  37     }
  38
  39     const count = await VideoChannelModel.countByAccount(res.locals.oauth.token.User.Account.id)
  40     if (count >= VIDEO_CHANNELS.MAX_PER_USER) {
  41       res.fail({ message: `You cannot create more than ${VIDEO_CHANNELS.MAX_PER_USER} channels` })
  42       return false
  43     }
  44
  45     return next()
  46   }
  47 ]
  48
  49 const videoChannelsUpdateValidator = [
  50   param('nameWithHost').exists().withMessage('Should have an video channel name with host'),
  51   body('displayName')
  52     .optional()
  53     .custom(isVideoChannelNameValid).withMessage('Should have a valid display name'),
  54   body('description')
  55     .optional()
  56     .custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
  57   body('support')
  58     .optional()
  59     .custom(isVideoChannelSupportValid).withMessage('Should have a valid support text'),
  60   body('bulkVideosSupportUpdate')
  61     .optional()
  62     .custom(isBooleanValid).withMessage('Should have a valid bulkVideosSupportUpdate boolean field'),
  63
  64   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  65     logger.debug('Checking videoChannelsUpdate parameters', { parameters: req.body })
  66
  67     if (areValidationErrors(req, res)) return
  68     if (!await doesVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return
  69
  70     // We need to make additional checks
  71     if (res.locals.videoChannel.Actor.isOwned() === false) {
  72       return res.fail({
  73         status: HttpStatusCode.FORBIDDEN_403,
  74         message: 'Cannot update video channel of another server'
  75       })
  76     }
  77
  78     if (res.locals.videoChannel.Account.userId !== res.locals.oauth.token.User.id) {
  79       return res.fail({
  80         status: HttpStatusCode.FORBIDDEN_403,
  81         message: 'Cannot update video channel of another user'
  82       })
  83     }
  84
  85     return next()
  86   }
  87 ]
  88
  89 const videoChannelsRemoveValidator = [
  90   param('nameWithHost').exists().withMessage('Should have an video channel name with host'),
  91
  92   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  93     logger.debug('Checking videoChannelsRemove parameters', { parameters: req.params })
  94
  95     if (areValidationErrors(req, res)) return
  96     if (!await doesVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return
  97
  98     if (!checkUserCanDeleteVideoChannel(res.locals.oauth.token.User, res.locals.videoChannel, res)) return
  99     if (!await checkVideoChannelIsNotTheLastOne(res)) return
 100
 101     return next()
 102   }
 103 ]
 104
 105 const videoChannelsNameWithHostValidator = [
 106   param('nameWithHost').exists().withMessage('Should have an video channel name with host'),
 107
 108   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 109     logger.debug('Checking videoChannelsNameWithHostValidator parameters', { parameters: req.params })
 110
 111     if (areValidationErrors(req, res)) return
 112
 113     if (!await doesVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return
 114
 115     return next()
 116   }
 117 ]
 118
 119 const localVideoChannelValidator = [
 120   param('name').custom(isVideoChannelNameValid).withMessage('Should have a valid video channel name'),
 121
 122   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 123     logger.debug('Checking localVideoChannelValidator parameters', { parameters: req.params })
 124
 125     if (areValidationErrors(req, res)) return
 126     if (!await doesLocalVideoChannelNameExist(req.params.name, res)) return
 127
 128     return next()
 129   }
 130 ]
 131
 132 const videoChannelStatsValidator = [
 133   query('withStats')
 134     .optional()
 135     .customSanitizer(toBooleanOrNull)
 136     .custom(isBooleanValid).withMessage('Should have a valid stats flag'),
 137
 138   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 139     if (areValidationErrors(req, res)) return
 140     return next()
 141   }
 142 ]
 143
 144 const videoChannelsListValidator = [
 145   query('search').optional().not().isEmpty().withMessage('Should have a valid search'),
 146
 147   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 148     logger.debug('Checking video channels search query', { parameters: req.query })
 149
 150     if (areValidationErrors(req, res)) return
 151
 152     return next()
 153   }
 154 ]
 155
 156 // ---------------------------------------------------------------------------
 157
 158 export {
 159   videoChannelsAddValidator,
 160   videoChannelsUpdateValidator,
 161   videoChannelsRemoveValidator,
 162   videoChannelsNameWithHostValidator,
 163   videoChannelsListValidator,
 164   localVideoChannelValidator,
 165   videoChannelStatsValidator
 166 }
 167
 168 // ---------------------------------------------------------------------------
 169
 170 function checkUserCanDeleteVideoChannel (user: MUser, videoChannel: MChannelAccountDefault, res: express.Response) {
 171   if (videoChannel.Actor.isOwned() === false) {
 172     res.fail({
 173       status: HttpStatusCode.FORBIDDEN_403,
 174       message: 'Cannot remove video channel of another server.'
 175     })
 176     return false
 177   }
 178
 179   // Check if the user can delete the video channel
 180   // The user can delete it if s/he is an admin
 181   // Or if s/he is the video channel's account
 182   if (user.hasRight(UserRight.REMOVE_ANY_VIDEO_CHANNEL) === false && videoChannel.Account.userId !== user.id) {
 183     res.fail({
 184       status: HttpStatusCode.FORBIDDEN_403,
 185       message: 'Cannot remove video channel of another user'
 186     })
 187     return false
 188   }
 189
 190   return true
 191 }
 192
 193 async function checkVideoChannelIsNotTheLastOne (res: express.Response) {
 194   const count = await VideoChannelModel.countByAccount(res.locals.oauth.token.User.Account.id)
 195
 196   if (count <= 1) {
 197     res.fail({
 198       status: HttpStatusCode.CONFLICT_409,
 199       message: 'Cannot remove the last channel of this user'
 200     })
 201     return false
 202   }
 203
 204   return true
 205 }