server/middlewares/validators/users.ts

   1 import * as Bluebird from 'bluebird'
   2 import * as express from 'express'
   3 import 'express-validator'
   4 import { body, param } from 'express-validator/check'
   5 import { omit } from 'lodash'
   6 import { isIdOrUUIDValid } from '../../helpers/custom-validators/misc'
   7 import {
   8   isAvatarFile,
   9   isUserAutoPlayVideoValid,
  10   isUserDescriptionValid, isUserDisplayNameValid,
  11   isUserNSFWPolicyValid,
  12   isUserPasswordValid,
  13   isUserRoleValid,
  14   isUserUsernameValid,
  15   isUserVideoQuotaValid
  16 } from '../../helpers/custom-validators/users'
  17 import { isVideoExist } from '../../helpers/custom-validators/videos'
  18 import { logger } from '../../helpers/logger'
  19 import { isSignupAllowed, isSignupAllowedForCurrentIP } from '../../helpers/utils'
  20 import { CONFIG, CONSTRAINTS_FIELDS } from '../../initializers'
  21 import { Redis } from '../../lib/redis'
  22 import { UserModel } from '../../models/account/user'
  23 import { areValidationErrors } from './utils'
  24 import { ActorModel } from '../../models/activitypub/actor'
  25
  26 const usersAddValidator = [
  27   body('username').custom(isUserUsernameValid).withMessage('Should have a valid username (lowercase alphanumeric characters)'),
  28   body('password').custom(isUserPasswordValid).withMessage('Should have a valid password'),
  29   body('email').isEmail().withMessage('Should have a valid email'),
  30   body('videoQuota').custom(isUserVideoQuotaValid).withMessage('Should have a valid user quota'),
  31   body('role').custom(isUserRoleValid).withMessage('Should have a valid role'),
  32
  33   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  34     logger.debug('Checking usersAdd parameters', { parameters: omit(req.body, 'password') })
  35
  36     if (areValidationErrors(req, res)) return
  37     if (!await checkUserNameOrEmailDoesNotAlreadyExist(req.body.username, req.body.email, res)) return
  38
  39     return next()
  40   }
  41 ]
  42
  43 const usersRegisterValidator = [
  44   body('username').custom(isUserUsernameValid).withMessage('Should have a valid username'),
  45   body('password').custom(isUserPasswordValid).withMessage('Should have a valid password'),
  46   body('email').isEmail().withMessage('Should have a valid email'),
  47
  48   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  49     logger.debug('Checking usersRegister parameters', { parameters: omit(req.body, 'password') })
  50
  51     if (areValidationErrors(req, res)) return
  52     if (!await checkUserNameOrEmailDoesNotAlreadyExist(req.body.username, req.body.email, res)) return
  53
  54     return next()
  55   }
  56 ]
  57
  58 const usersRemoveValidator = [
  59   param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
  60
  61   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  62     logger.debug('Checking usersRemove parameters', { parameters: req.params })
  63
  64     if (areValidationErrors(req, res)) return
  65     if (!await checkUserIdExist(req.params.id, res)) return
  66
  67     const user = res.locals.user
  68     if (user.username === 'root') {
  69       return res.status(400)
  70                 .send({ error: 'Cannot remove the root user' })
  71                 .end()
  72     }
  73
  74     return next()
  75   }
  76 ]
  77
  78 const usersUpdateValidator = [
  79   param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
  80   body('email').optional().isEmail().withMessage('Should have a valid email attribute'),
  81   body('videoQuota').optional().custom(isUserVideoQuotaValid).withMessage('Should have a valid user quota'),
  82   body('role').optional().custom(isUserRoleValid).withMessage('Should have a valid role'),
  83
  84   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  85     logger.debug('Checking usersUpdate parameters', { parameters: req.body })
  86
  87     if (areValidationErrors(req, res)) return
  88     if (!await checkUserIdExist(req.params.id, res)) return
  89
  90     const user = res.locals.user
  91     if (user.username === 'root' && req.body.role !== undefined && user.role !== req.body.role) {
  92       return res.status(400)
  93         .send({ error: 'Cannot change root role.' })
  94         .end()
  95     }
  96
  97     return next()
  98   }
  99 ]
 100
 101 const usersUpdateMeValidator = [
 102   body('displayName').optional().custom(isUserDisplayNameValid).withMessage('Should have a valid display name'),
 103   body('description').optional().custom(isUserDescriptionValid).withMessage('Should have a valid description'),
 104   body('password').optional().custom(isUserPasswordValid).withMessage('Should have a valid password'),
 105   body('email').optional().isEmail().withMessage('Should have a valid email attribute'),
 106   body('nsfwPolicy').optional().custom(isUserNSFWPolicyValid).withMessage('Should have a valid display Not Safe For Work policy'),
 107   body('autoPlayVideo').optional().custom(isUserAutoPlayVideoValid).withMessage('Should have a valid automatically plays video attribute'),
 108
 109   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 110     // TODO: Add old password verification
 111     logger.debug('Checking usersUpdateMe parameters', { parameters: omit(req.body, 'password') })
 112
 113     if (areValidationErrors(req, res)) return
 114
 115     return next()
 116   }
 117 ]
 118
 119 const usersUpdateMyAvatarValidator = [
 120   body('avatarfile').custom((value, { req }) => isAvatarFile(req.files)).withMessage(
 121     'This file is not supported or too large. Please, make sure it is of the following type : '
 122     + CONSTRAINTS_FIELDS.ACTORS.AVATAR.EXTNAME.join(', ')
 123   ),
 124
 125   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 126     logger.debug('Checking usersUpdateMyAvatarValidator parameters', { files: req.files })
 127
 128     if (areValidationErrors(req, res)) return
 129
 130     return next()
 131   }
 132 ]
 133
 134 const usersGetValidator = [
 135   param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
 136
 137   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 138     logger.debug('Checking usersGet parameters', { parameters: req.params })
 139
 140     if (areValidationErrors(req, res)) return
 141     if (!await checkUserIdExist(req.params.id, res)) return
 142
 143     return next()
 144   }
 145 ]
 146
 147 const usersVideoRatingValidator = [
 148   param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid video id'),
 149
 150   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 151     logger.debug('Checking usersVideoRating parameters', { parameters: req.params })
 152
 153     if (areValidationErrors(req, res)) return
 154     if (!await isVideoExist(req.params.videoId, res)) return
 155
 156     return next()
 157   }
 158 ]
 159
 160 const ensureUserRegistrationAllowed = [
 161   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 162     const allowed = await isSignupAllowed()
 163     if (allowed === false) {
 164       return res.status(403)
 165                 .send({ error: 'User registration is not enabled or user limit is reached.' })
 166                 .end()
 167     }
 168
 169     return next()
 170   }
 171 ]
 172
 173 const ensureUserRegistrationAllowedForIP = [
 174   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 175     const allowed = isSignupAllowedForCurrentIP(req.ip)
 176
 177     if (allowed === false) {
 178       return res.status(403)
 179                 .send({ error: 'You are not on a network authorized for registration.' })
 180                 .end()
 181     }
 182
 183     return next()
 184   }
 185 ]
 186
 187 const usersAskResetPasswordValidator = [
 188   body('email').isEmail().not().isEmpty().withMessage('Should have a valid email'),
 189
 190   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 191     logger.debug('Checking usersAskResetPassword parameters', { parameters: req.body })
 192
 193     if (areValidationErrors(req, res)) return
 194     const exists = await checkUserEmailExist(req.body.email, res, false)
 195     if (!exists) {
 196       logger.debug('User with email %s does not exist (asking reset password).', req.body.email)
 197       // Do not leak our emails
 198       return res.status(204).end()
 199     }
 200
 201     return next()
 202   }
 203 ]
 204
 205 const usersResetPasswordValidator = [
 206   param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
 207   body('verificationString').not().isEmpty().withMessage('Should have a valid verification string'),
 208   body('password').custom(isUserPasswordValid).withMessage('Should have a valid password'),
 209
 210   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 211     logger.debug('Checking usersResetPassword parameters', { parameters: req.params })
 212
 213     if (areValidationErrors(req, res)) return
 214     if (!await checkUserIdExist(req.params.id, res)) return
 215
 216     const user = res.locals.user as UserModel
 217     const redisVerificationString = await Redis.Instance.getResetPasswordLink(user.id)
 218
 219     if (redisVerificationString !== req.body.verificationString) {
 220       return res
 221         .status(403)
 222         .send({ error: 'Invalid verification string.' })
 223         .end()
 224     }
 225
 226     return next()
 227   }
 228 ]
 229
 230 // ---------------------------------------------------------------------------
 231
 232 export {
 233   usersAddValidator,
 234   usersRegisterValidator,
 235   usersRemoveValidator,
 236   usersUpdateValidator,
 237   usersUpdateMeValidator,
 238   usersVideoRatingValidator,
 239   ensureUserRegistrationAllowed,
 240   ensureUserRegistrationAllowedForIP,
 241   usersGetValidator,
 242   usersUpdateMyAvatarValidator,
 243   usersAskResetPasswordValidator,
 244   usersResetPasswordValidator
 245 }
 246
 247 // ---------------------------------------------------------------------------
 248
 249 function checkUserIdExist (id: number, res: express.Response) {
 250   return checkUserExist(() => UserModel.loadById(id), res)
 251 }
 252
 253 function checkUserEmailExist (email: string, res: express.Response, abortResponse = true) {
 254   return checkUserExist(() => UserModel.loadByEmail(email), res, abortResponse)
 255 }
 256
 257 async function checkUserNameOrEmailDoesNotAlreadyExist (username: string, email: string, res: express.Response) {
 258   const user = await UserModel.loadByUsernameOrEmail(username, email)
 259
 260   if (user) {
 261     res.status(409)
 262               .send({ error: 'User with this username or email already exists.' })
 263               .end()
 264     return false
 265   }
 266
 267   const actor = await ActorModel.loadLocalByName(username)
 268   if (actor) {
 269     res.status(409)
 270        .send({ error: 'Another actor (account/channel) with this name already exists.' })
 271        .end()
 272     return false
 273   }
 274
 275   return true
 276 }
 277
 278 async function checkUserExist (finder: () => Bluebird<UserModel>, res: express.Response, abortResponse = true) {
 279   const user = await finder()
 280
 281   if (!user) {
 282     if (abortResponse === true) {
 283       res.status(404)
 284         .send({ error: 'User not found' })
 285         .end()
 286     }
 287
 288     return false
 289   }
 290
 291   res.locals.user = user
 292
 293   return true
 294 }