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import * as express from 'express'
import { body, param, query } from 'express-validator'
import { VIDEO_CHANNELS } from '@server/initializers/constants'
import { MChannelAccountDefault, MUser } from '@server/types/models'
import { UserRight } from '../../../../shared'
import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
import { isBooleanValid, toBooleanOrNull } from '../../../helpers/custom-validators/misc'
import {
isVideoChannelDescriptionValid,
isVideoChannelDisplayNameValid,
isVideoChannelSupportValid,
isVideoChannelUsernameValid
} from '../../../helpers/custom-validators/video-channels'
import { logger } from '../../../helpers/logger'
import { ActorModel } from '../../../models/actor/actor'
import { VideoChannelModel } from '../../../models/video/video-channel'
import { areValidationErrors, doesLocalVideoChannelNameExist, doesVideoChannelNameWithHostExist } from '../shared'
const videoChannelsAddValidator = [
body('name').custom(isVideoChannelUsernameValid).withMessage('Should have a valid channel name'),
body('displayName').custom(isVideoChannelDisplayNameValid).withMessage('Should have a valid display name'),
body('description').optional().custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
body('support').optional().custom(isVideoChannelSupportValid).withMessage('Should have a valid support text'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoChannelsAdd parameters', { parameters: req.body })
if (areValidationErrors(req, res)) return
const actor = await ActorModel.loadLocalByName(req.body.name)
if (actor) {
res.fail({
status: HttpStatusCode.CONFLICT_409,
message: 'Another actor (account/channel) with this name on this instance already exists or has already existed.'
})
return false
}
const count = await VideoChannelModel.countByAccount(res.locals.oauth.token.User.Account.id)
if (count >= VIDEO_CHANNELS.MAX_PER_USER) {
res.fail({ message: `You cannot create more than ${VIDEO_CHANNELS.MAX_PER_USER} channels` })
return false
}
return next()
}
]
const videoChannelsUpdateValidator = [
param('nameWithHost').exists().withMessage('Should have an video channel name with host'),
body('displayName')
.optional()
.custom(isVideoChannelDisplayNameValid).withMessage('Should have a valid display name'),
body('description')
.optional()
.custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
body('support')
.optional()
.custom(isVideoChannelSupportValid).withMessage('Should have a valid support text'),
body('bulkVideosSupportUpdate')
.optional()
.custom(isBooleanValid).withMessage('Should have a valid bulkVideosSupportUpdate boolean field'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoChannelsUpdate parameters', { parameters: req.body })
if (areValidationErrors(req, res)) return
if (!await doesVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return
// We need to make additional checks
if (res.locals.videoChannel.Actor.isOwned() === false) {
return res.fail({
status: HttpStatusCode.FORBIDDEN_403,
message: 'Cannot update video channel of another server'
})
}
if (res.locals.videoChannel.Account.userId !== res.locals.oauth.token.User.id) {
return res.fail({
status: HttpStatusCode.FORBIDDEN_403,
message: 'Cannot update video channel of another user'
})
}
return next()
}
]
const videoChannelsRemoveValidator = [
param('nameWithHost').exists().withMessage('Should have an video channel name with host'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoChannelsRemove parameters', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await doesVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return
if (!checkUserCanDeleteVideoChannel(res.locals.oauth.token.User, res.locals.videoChannel, res)) return
if (!await checkVideoChannelIsNotTheLastOne(res)) return
return next()
}
]
const videoChannelsNameWithHostValidator = [
param('nameWithHost').exists().withMessage('Should have an video channel name with host'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoChannelsNameWithHostValidator parameters', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await doesVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return
return next()
}
]
const localVideoChannelValidator = [
param('name').custom(isVideoChannelDisplayNameValid).withMessage('Should have a valid video channel name'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking localVideoChannelValidator parameters', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await doesLocalVideoChannelNameExist(req.params.name, res)) return
return next()
}
]
const videoChannelStatsValidator = [
query('withStats')
.optional()
.customSanitizer(toBooleanOrNull)
.custom(isBooleanValid).withMessage('Should have a valid stats flag'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
return next()
}
]
const videoChannelsListValidator = [
query('search').optional().not().isEmpty().withMessage('Should have a valid search'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking video channels search query', { parameters: req.query })
if (areValidationErrors(req, res)) return
return next()
}
]
// ---------------------------------------------------------------------------
export {
videoChannelsAddValidator,
videoChannelsUpdateValidator,
videoChannelsRemoveValidator,
videoChannelsNameWithHostValidator,
videoChannelsListValidator,
localVideoChannelValidator,
videoChannelStatsValidator
}
// ---------------------------------------------------------------------------
function checkUserCanDeleteVideoChannel (user: MUser, videoChannel: MChannelAccountDefault, res: express.Response) {
if (videoChannel.Actor.isOwned() === false) {
res.fail({
status: HttpStatusCode.FORBIDDEN_403,
message: 'Cannot remove video channel of another server.'
})
return false
}
// Check if the user can delete the video channel
// The user can delete it if s/he is an admin
// Or if s/he is the video channel's account
if (user.hasRight(UserRight.REMOVE_ANY_VIDEO_CHANNEL) === false && videoChannel.Account.userId !== user.id) {
res.fail({
status: HttpStatusCode.FORBIDDEN_403,
message: 'Cannot remove video channel of another user'
})
return false
}
return true
}
async function checkVideoChannelIsNotTheLastOne (res: express.Response) {
const count = await VideoChannelModel.countByAccount(res.locals.oauth.token.User.Account.id)
if (count <= 1) {
res.fail({
status: HttpStatusCode.CONFLICT_409,
message: 'Cannot remove the last channel of this user'
})
return false
}
return true
}
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