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/core-utils/miscs/http-error-codes' import { isActorPreferredUsernameValid } from '../../../helpers/custom-validators/activitypub/actor' import { isBooleanValid, toBooleanOrNull } from '../../../helpers/custom-validators/misc' import { isVideoChannelDescriptionValid, isVideoChannelNameValid, isVideoChannelSupportValid } 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(isActorPreferredUsernameValid).withMessage('Should have a valid channel name'), body('displayName').custom(isVideoChannelNameValid).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(isVideoChannelNameValid).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(isVideoChannelNameValid).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() } ] // --------------------------------------------------------------------------- export { videoChannelsAddValidator, videoChannelsUpdateValidator, videoChannelsRemoveValidator, videoChannelsNameWithHostValidator, 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 }