X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fmiddlewares%2Fvalidators%2Fusers.ts;h=c78c67a8cd7d389e3c50087840891191dbff7e16;hb=cb0eda5602a21d1626a7face32de6153ed07b5f9;hp=7a081af33c266ceef1bec7551e9180997f14e912;hpb=1d5342abc43df02cf0bd69b1e865c0f179182eef;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/middlewares/validators/users.ts b/server/middlewares/validators/users.ts index 7a081af33..3d311b15b 100644 --- a/server/middlewares/validators/users.ts +++ b/server/middlewares/validators/users.ts @@ -1,86 +1,109 @@ -import * as Bluebird from 'bluebird' -import * as express from 'express' -import 'express-validator' -import { body, param } from 'express-validator/check' -import { omit } from 'lodash' -import { isIdOrUUIDValid } from '../../helpers/custom-validators/misc' +import express from 'express' +import { body, param, query } from 'express-validator' +import { forceNumber } from '@shared/core-utils' +import { HttpStatusCode, UserRight, UserRole } from '@shared/models' +import { exists, isBooleanValid, isIdValid, toBooleanOrNull, toIntOrNull } from '../../helpers/custom-validators/misc' +import { isThemeNameValid } from '../../helpers/custom-validators/plugins' import { isUserAdminFlagsValid, + isUserAutoPlayNextVideoValid, isUserAutoPlayVideoValid, isUserBlockedReasonValid, isUserDescriptionValid, isUserDisplayNameValid, + isUserEmailPublicValid, + isUserNoModal, isUserNSFWPolicyValid, + isUserP2PEnabledValid, isUserPasswordValid, + isUserPasswordValidOrEmpty, isUserRoleValid, isUserUsernameValid, + isUserVideoLanguages, isUserVideoQuotaDailyValid, isUserVideoQuotaValid, isUserVideosHistoryEnabledValid } from '../../helpers/custom-validators/users' -import { doesVideoExist } from '../../helpers/custom-validators/videos' +import { isVideoChannelUsernameValid } from '../../helpers/custom-validators/video-channels' import { logger } from '../../helpers/logger' -import { isSignupAllowed, isSignupAllowedForCurrentIP } from '../../helpers/signup' +import { isThemeRegistered } from '../../lib/plugins/theme-utils' import { Redis } from '../../lib/redis' -import { UserModel } from '../../models/account/user' -import { areValidationErrors } from './utils' -import { ActorModel } from '../../models/activitypub/actor' -import { isActorPreferredUsernameValid } from '../../helpers/custom-validators/activitypub/actor' -import { isVideoChannelNameValid } from '../../helpers/custom-validators/video-channels' -import { UserCreate } from '../../../shared/models/users' -import { UserRegister } from '../../../shared/models/users/user-register.model' - -const usersAddValidator = [ - body('username').custom(isUserUsernameValid).withMessage('Should have a valid username (lowercase alphanumeric characters)'), - body('password').custom(isUserPasswordValid).withMessage('Should have a valid password'), - body('email').isEmail().withMessage('Should have a valid email'), - body('videoQuota').custom(isUserVideoQuotaValid).withMessage('Should have a valid user quota'), - body('videoQuotaDaily').custom(isUserVideoQuotaDailyValid).withMessage('Should have a valid daily user quota'), - body('role').custom(isUserRoleValid).withMessage('Should have a valid role'), - body('adminFlags').optional().custom(isUserAdminFlagsValid).withMessage('Should have a valid admin flags'), - - async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersAdd parameters', { parameters: omit(req.body, 'password') }) +import { ActorModel } from '../../models/actor/actor' +import { + areValidationErrors, + checkUserEmailExist, + checkUserIdExist, + checkUserNameOrEmailDoNotAlreadyExist, + doesVideoChannelIdExist, + doesVideoExist, + isValidVideoIdParam +} from './shared' + +const usersListValidator = [ + query('blocked') + .optional() + .customSanitizer(toBooleanOrNull) + .isBoolean().withMessage('Should be a valid blocked boolean'), + (req: express.Request, res: express.Response, next: express.NextFunction) => { if (areValidationErrors(req, res)) return - if (!await checkUserNameOrEmailDoesNotAlreadyExist(req.body.username, req.body.email, res)) return return next() } ] -const usersRegisterValidator = [ - body('username').custom(isUserUsernameValid).withMessage('Should have a valid username'), - body('password').custom(isUserPasswordValid).withMessage('Should have a valid password'), - body('email').isEmail().withMessage('Should have a valid email'), - body('channel.name').optional().custom(isActorPreferredUsernameValid).withMessage('Should have a valid channel name'), - body('channel.displayName').optional().custom(isVideoChannelNameValid).withMessage('Should have a valid display name'), +const usersAddValidator = [ + body('username') + .custom(isUserUsernameValid) + .withMessage('Should have a valid username (lowercase alphanumeric characters)'), + body('password') + .custom(isUserPasswordValidOrEmpty), + body('email') + .isEmail(), + + body('channelName') + .optional() + .custom(isVideoChannelUsernameValid), - async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersRegister parameters', { parameters: omit(req.body, 'password') }) + body('videoQuota') + .optional() + .custom(isUserVideoQuotaValid), - if (areValidationErrors(req, res)) return - if (!await checkUserNameOrEmailDoesNotAlreadyExist(req.body.username, req.body.email, res)) return - - const body: UserRegister = req.body - if (body.channel) { - if (!body.channel.name || !body.channel.displayName) { - return res.status(400) - .send({ error: 'Channel is optional but if you specify it, channel.name and channel.displayName are required.' }) - .end() - } + body('videoQuotaDaily') + .optional() + .custom(isUserVideoQuotaDailyValid), + + body('role') + .customSanitizer(toIntOrNull) + .custom(isUserRoleValid), + + body('adminFlags') + .optional() + .custom(isUserAdminFlagsValid), + + async (req: express.Request, res: express.Response, next: express.NextFunction) => { + if (areValidationErrors(req, res, { omitBodyLog: true })) return + if (!await checkUserNameOrEmailDoNotAlreadyExist(req.body.username, req.body.email, res)) return + + const authUser = res.locals.oauth.token.User + if (authUser.role !== UserRole.ADMINISTRATOR && req.body.role !== UserRole.USER) { + return res.fail({ + status: HttpStatusCode.FORBIDDEN_403, + message: 'You can only create users (and not administrators or moderators)' + }) + } - if (body.channel.name === body.username) { - return res.status(400) - .send({ error: 'Channel name cannot be the same than user username.' }) - .end() + if (req.body.channelName) { + if (req.body.channelName === req.body.username) { + return res.fail({ message: 'Channel name cannot be the same as user username.' }) } - const existing = await ActorModel.loadLocalByName(body.channel.name) + const existing = await ActorModel.loadLocalByName(req.body.channelName) if (existing) { - return res.status(409) - .send({ error: `Channel with name ${body.channel.name} already exists.` }) - .end() + return res.fail({ + status: HttpStatusCode.CONFLICT_409, + message: `Channel with name ${req.body.channelName} already exists.` + }) } } @@ -89,19 +112,16 @@ const usersRegisterValidator = [ ] const usersRemoveValidator = [ - param('id').isInt().not().isEmpty().withMessage('Should have a valid id'), + param('id') + .custom(isIdValid), async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersRemove parameters', { parameters: req.params }) - if (areValidationErrors(req, res)) return if (!await checkUserIdExist(req.params.id, res)) return const user = res.locals.user if (user.username === 'root') { - return res.status(400) - .send({ error: 'Cannot remove the root user' }) - .end() + return res.fail({ message: 'Cannot remove the root user' }) } return next() @@ -109,20 +129,19 @@ const usersRemoveValidator = [ ] const usersBlockingValidator = [ - param('id').isInt().not().isEmpty().withMessage('Should have a valid id'), - body('reason').optional().custom(isUserBlockedReasonValid).withMessage('Should have a valid blocking reason'), + param('id') + .custom(isIdValid), + body('reason') + .optional() + .custom(isUserBlockedReasonValid), async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersBlocking parameters', { parameters: req.params }) - if (areValidationErrors(req, res)) return if (!await checkUserIdExist(req.params.id, res)) return const user = res.locals.user if (user.username === 'root') { - return res.status(400) - .send({ error: 'Cannot block the root user' }) - .end() + return res.fail({ message: 'Cannot block the root user' }) } return next() @@ -130,12 +149,10 @@ const usersBlockingValidator = [ ] const deleteMeValidator = [ - async (req: express.Request, res: express.Response, next: express.NextFunction) => { + (req: express.Request, res: express.Response, next: express.NextFunction) => { const user = res.locals.oauth.token.User if (user.username === 'root') { - return res.status(400) - .send({ error: 'You cannot delete your root account.' }) - .end() + return res.fail({ message: 'You cannot delete your root account.' }) } return next() @@ -143,26 +160,41 @@ const deleteMeValidator = [ ] const usersUpdateValidator = [ - param('id').isInt().not().isEmpty().withMessage('Should have a valid id'), - body('password').optional().custom(isUserPasswordValid).withMessage('Should have a valid password'), - body('email').optional().isEmail().withMessage('Should have a valid email attribute'), - body('emailVerified').optional().isBoolean().withMessage('Should have a valid email verified attribute'), - body('videoQuota').optional().custom(isUserVideoQuotaValid).withMessage('Should have a valid user quota'), - body('videoQuotaDaily').optional().custom(isUserVideoQuotaDailyValid).withMessage('Should have a valid daily user quota'), - body('role').optional().custom(isUserRoleValid).withMessage('Should have a valid role'), - body('adminFlags').optional().custom(isUserAdminFlagsValid).withMessage('Should have a valid admin flags'), + param('id').custom(isIdValid), - async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersUpdate parameters', { parameters: req.body }) + body('password') + .optional() + .custom(isUserPasswordValid), + body('email') + .optional() + .isEmail(), + body('emailVerified') + .optional() + .isBoolean(), + body('videoQuota') + .optional() + .custom(isUserVideoQuotaValid), + body('videoQuotaDaily') + .optional() + .custom(isUserVideoQuotaDailyValid), + body('pluginAuth') + .optional() + .exists(), + body('role') + .optional() + .customSanitizer(toIntOrNull) + .custom(isUserRoleValid), + body('adminFlags') + .optional() + .custom(isUserAdminFlagsValid), - if (areValidationErrors(req, res)) return + async (req: express.Request, res: express.Response, next: express.NextFunction) => { + if (areValidationErrors(req, res, { omitBodyLog: true })) return if (!await checkUserIdExist(req.params.id, res)) return const user = res.locals.user if (user.username === 'root' && req.body.role !== undefined && user.role !== req.body.role) { - return res.status(400) - .send({ error: 'Cannot change root role.' }) - .end() + return res.fail({ message: 'Cannot change root role.' }) } return next() @@ -170,60 +202,102 @@ const usersUpdateValidator = [ ] const usersUpdateMeValidator = [ - body('displayName').optional().custom(isUserDisplayNameValid).withMessage('Should have a valid display name'), - body('description').optional().custom(isUserDescriptionValid).withMessage('Should have a valid description'), - body('currentPassword').optional().custom(isUserPasswordValid).withMessage('Should have a valid current password'), - body('password').optional().custom(isUserPasswordValid).withMessage('Should have a valid password'), - body('email').optional().isEmail().withMessage('Should have a valid email attribute'), - body('nsfwPolicy').optional().custom(isUserNSFWPolicyValid).withMessage('Should have a valid display Not Safe For Work policy'), - body('autoPlayVideo').optional().custom(isUserAutoPlayVideoValid).withMessage('Should have a valid automatically plays video attribute'), + body('displayName') + .optional() + .custom(isUserDisplayNameValid), + body('description') + .optional() + .custom(isUserDescriptionValid), + body('currentPassword') + .optional() + .custom(isUserPasswordValid), + body('password') + .optional() + .custom(isUserPasswordValid), + body('emailPublic') + .optional() + .custom(isUserEmailPublicValid), + body('email') + .optional() + .isEmail(), + body('nsfwPolicy') + .optional() + .custom(isUserNSFWPolicyValid), + body('autoPlayVideo') + .optional() + .custom(isUserAutoPlayVideoValid), + body('p2pEnabled') + .optional() + .custom(isUserP2PEnabledValid).withMessage('Should have a valid p2p enabled boolean'), + body('videoLanguages') + .optional() + .custom(isUserVideoLanguages), body('videosHistoryEnabled') .optional() - .custom(isUserVideosHistoryEnabledValid).withMessage('Should have a valid videos history enabled attribute'), + .custom(isUserVideosHistoryEnabledValid).withMessage('Should have a valid videos history enabled boolean'), + body('theme') + .optional() + .custom(v => isThemeNameValid(v) && isThemeRegistered(v)), + + body('noInstanceConfigWarningModal') + .optional() + .custom(v => isUserNoModal(v)).withMessage('Should have a valid noInstanceConfigWarningModal boolean'), + body('noWelcomeModal') + .optional() + .custom(v => isUserNoModal(v)).withMessage('Should have a valid noWelcomeModal boolean'), + body('noAccountSetupWarningModal') + .optional() + .custom(v => isUserNoModal(v)).withMessage('Should have a valid noAccountSetupWarningModal boolean'), + + body('autoPlayNextVideo') + .optional() + .custom(v => isUserAutoPlayNextVideoValid(v)).withMessage('Should have a valid autoPlayNextVideo boolean'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersUpdateMe parameters', { parameters: omit(req.body, 'password') }) + const user = res.locals.oauth.token.User + + if (req.body.password || req.body.email) { + if (user.pluginAuth !== null) { + return res.fail({ message: 'You cannot update your email or password that is associated with an external auth system.' }) + } - if (req.body.password) { if (!req.body.currentPassword) { - return res.status(400) - .send({ error: 'currentPassword parameter is missing.' }) - .end() + return res.fail({ message: 'currentPassword parameter is missing.' }) } - const user = res.locals.oauth.token.User if (await user.isPasswordMatch(req.body.currentPassword) !== true) { - return res.status(401) - .send({ error: 'currentPassword is invalid.' }) - .end() + return res.fail({ + status: HttpStatusCode.UNAUTHORIZED_401, + message: 'currentPassword is invalid.' + }) } } - if (areValidationErrors(req, res)) return + if (areValidationErrors(req, res, { omitBodyLog: true })) return return next() } ] const usersGetValidator = [ - param('id').isInt().not().isEmpty().withMessage('Should have a valid id'), + param('id') + .custom(isIdValid), + query('withStats') + .optional() + .isBoolean().withMessage('Should have a valid withStats boolean'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersGet parameters', { parameters: req.params }) - if (areValidationErrors(req, res)) return - if (!await checkUserIdExist(req.params.id, res)) return + if (!await checkUserIdExist(req.params.id, res, req.query.withStats)) return return next() } ] const usersVideoRatingValidator = [ - param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid video id'), + isValidVideoIdParam('videoId'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersVideoRating parameters', { parameters: req.params }) - if (areValidationErrors(req, res)) return if (!await doesVideoExist(req.params.videoId, res, 'id')) return @@ -231,46 +305,45 @@ const usersVideoRatingValidator = [ } ] -const ensureUserRegistrationAllowed = [ - async (req: express.Request, res: express.Response, next: express.NextFunction) => { - const allowed = await isSignupAllowed() - if (allowed === false) { - return res.status(403) - .send({ error: 'User registration is not enabled or user limit is reached.' }) - .end() - } +const usersVideosValidator = [ + query('isLive') + .optional() + .customSanitizer(toBooleanOrNull) + .custom(isBooleanValid).withMessage('Should have a valid isLive boolean'), - return next() - } -] + query('channelId') + .optional() + .customSanitizer(toIntOrNull) + .custom(isIdValid), -const ensureUserRegistrationAllowedForIP = [ async (req: express.Request, res: express.Response, next: express.NextFunction) => { - const allowed = isSignupAllowedForCurrentIP(req.ip) + if (areValidationErrors(req, res)) return - if (allowed === false) { - return res.status(403) - .send({ error: 'You are not on a network authorized for registration.' }) - .end() - } + if (req.query.channelId && !await doesVideoChannelIdExist(req.query.channelId, res)) return return next() } ] const usersAskResetPasswordValidator = [ - body('email').isEmail().not().isEmpty().withMessage('Should have a valid email'), + body('email') + .isEmail(), async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersAskResetPassword parameters', { parameters: req.body }) - if (areValidationErrors(req, res)) return const exists = await checkUserEmailExist(req.body.email, res, false) if (!exists) { logger.debug('User with email %s does not exist (asking reset password).', req.body.email) // Do not leak our emails - return res.status(204).end() + return res.status(HttpStatusCode.NO_CONTENT_204).end() + } + + if (res.locals.user.pluginAuth) { + return res.fail({ + status: HttpStatusCode.CONFLICT_409, + message: 'Cannot recover password of a user that uses a plugin authentication.' + }) } return next() @@ -278,157 +351,139 @@ const usersAskResetPasswordValidator = [ ] const usersResetPasswordValidator = [ - param('id').isInt().not().isEmpty().withMessage('Should have a valid id'), - body('verificationString').not().isEmpty().withMessage('Should have a valid verification string'), - body('password').custom(isUserPasswordValid).withMessage('Should have a valid password'), + param('id') + .custom(isIdValid), + body('verificationString') + .not().isEmpty(), + body('password') + .custom(isUserPasswordValid), async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersResetPassword parameters', { parameters: req.params }) - if (areValidationErrors(req, res)) return if (!await checkUserIdExist(req.params.id, res)) return const user = res.locals.user - const redisVerificationString = await Redis.Instance.getResetPasswordLink(user.id) + const redisVerificationString = await Redis.Instance.getResetPasswordVerificationString(user.id) if (redisVerificationString !== req.body.verificationString) { - return res - .status(403) - .send({ error: 'Invalid verification string.' }) - .end() + return res.fail({ + status: HttpStatusCode.FORBIDDEN_403, + message: 'Invalid verification string.' + }) } return next() } ] -const usersAskSendVerifyEmailValidator = [ - body('email').isEmail().not().isEmpty().withMessage('Should have a valid email'), +const usersCheckCurrentPasswordFactory = (targetUserIdGetter: (req: express.Request) => number | string) => { + return [ + body('currentPassword').optional().custom(exists), - async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking askUsersSendVerifyEmail parameters', { parameters: req.body }) + async (req: express.Request, res: express.Response, next: express.NextFunction) => { + if (areValidationErrors(req, res)) return - if (areValidationErrors(req, res)) return - const exists = await checkUserEmailExist(req.body.email, res, false) - if (!exists) { - logger.debug('User with email %s does not exist (asking verify email).', req.body.email) - // Do not leak our emails - return res.status(204).end() - } + const user = res.locals.oauth.token.User + const isAdminOrModerator = user.role === UserRole.ADMINISTRATOR || user.role === UserRole.MODERATOR + const targetUserId = forceNumber(targetUserIdGetter(req)) - return next() - } -] + // Admin/moderator action on another user, skip the password check + if (isAdminOrModerator && targetUserId !== user.id) { + return next() + } -const usersVerifyEmailValidator = [ - param('id').isInt().not().isEmpty().withMessage('Should have a valid id'), - body('verificationString').not().isEmpty().withMessage('Should have a valid verification string'), + if (!req.body.currentPassword) { + return res.fail({ + status: HttpStatusCode.BAD_REQUEST_400, + message: 'currentPassword is missing' + }) + } - async (req: express.Request, res: express.Response, next: express.NextFunction) => { - logger.debug('Checking usersVerifyEmail parameters', { parameters: req.params }) + if (await user.isPasswordMatch(req.body.currentPassword) !== true) { + return res.fail({ + status: HttpStatusCode.FORBIDDEN_403, + message: 'currentPassword is invalid.' + }) + } - if (areValidationErrors(req, res)) return - if (!await checkUserIdExist(req.params.id, res)) return + return next() + } + ] +} - const user = res.locals.user - const redisVerificationString = await Redis.Instance.getVerifyEmailLink(user.id) +const userAutocompleteValidator = [ + param('search') + .isString() + .not().isEmpty() +] - if (redisVerificationString !== req.body.verificationString) { - return res - .status(403) - .send({ error: 'Invalid verification string.' }) - .end() +const ensureAuthUserOwnsAccountValidator = [ + (req: express.Request, res: express.Response, next: express.NextFunction) => { + const user = res.locals.oauth.token.User + + if (res.locals.account.id !== user.Account.id) { + return res.fail({ + status: HttpStatusCode.FORBIDDEN_403, + message: 'Only owner of this account can access this resource.' + }) } return next() } ] -const userAutocompleteValidator = [ - param('search').isString().not().isEmpty().withMessage('Should have a search parameter') -] +const ensureCanManageChannelOrAccount = [ + (req: express.Request, res: express.Response, next: express.NextFunction) => { + const user = res.locals.oauth.token.user + const account = res.locals.videoChannel?.Account ?? res.locals.account + const isUserOwner = account.userId === user.id -const ensureAuthUserOwnsAccountValidator = [ - async (req: express.Request, res: express.Response, next: express.NextFunction) => { - const user = res.locals.oauth.token.User + if (!isUserOwner && user.hasRight(UserRight.MANAGE_ANY_VIDEO_CHANNEL) === false) { + const message = `User ${user.username} does not have right this channel or account.` - if (res.locals.account.id !== user.Account.id) { - return res.status(403) - .send({ error: 'Only owner can access ratings list.' }) - .end() + return res.fail({ + status: HttpStatusCode.FORBIDDEN_403, + message + }) } return next() } ] +const ensureCanModerateUser = [ + (req: express.Request, res: express.Response, next: express.NextFunction) => { + const authUser = res.locals.oauth.token.User + const onUser = res.locals.user + + if (authUser.role === UserRole.ADMINISTRATOR) return next() + if (authUser.role === UserRole.MODERATOR && onUser.role === UserRole.USER) return next() + + return res.fail({ + status: HttpStatusCode.FORBIDDEN_403, + message: 'A moderator can only manage users.' + }) + } +] + // --------------------------------------------------------------------------- export { + usersListValidator, usersAddValidator, deleteMeValidator, - usersRegisterValidator, usersBlockingValidator, usersRemoveValidator, usersUpdateValidator, usersUpdateMeValidator, usersVideoRatingValidator, - ensureUserRegistrationAllowed, - ensureUserRegistrationAllowedForIP, + usersCheckCurrentPasswordFactory, usersGetValidator, + usersVideosValidator, usersAskResetPasswordValidator, usersResetPasswordValidator, - usersAskSendVerifyEmailValidator, - usersVerifyEmailValidator, userAutocompleteValidator, - ensureAuthUserOwnsAccountValidator -} - -// --------------------------------------------------------------------------- - -function checkUserIdExist (id: number, res: express.Response) { - return checkUserExist(() => UserModel.loadById(id), res) -} - -function checkUserEmailExist (email: string, res: express.Response, abortResponse = true) { - return checkUserExist(() => UserModel.loadByEmail(email), res, abortResponse) -} - -async function checkUserNameOrEmailDoesNotAlreadyExist (username: string, email: string, res: express.Response) { - const user = await UserModel.loadByUsernameOrEmail(username, email) - - if (user) { - res.status(409) - .send({ error: 'User with this username or email already exists.' }) - .end() - return false - } - - const actor = await ActorModel.loadLocalByName(username) - if (actor) { - res.status(409) - .send({ error: 'Another actor (account/channel) with this name on this instance already exists or has already existed.' }) - .end() - return false - } - - return true -} - -async function checkUserExist (finder: () => Bluebird, res: express.Response, abortResponse = true) { - const user = await finder() - - if (!user) { - if (abortResponse === true) { - res.status(404) - .send({ error: 'User not found' }) - .end() - } - - return false - } - - res.locals.user = user - - return true + ensureAuthUserOwnsAccountValidator, + ensureCanModerateUser, + ensureCanManageChannelOrAccount }