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
  25 const usersAddValidator = [
  26   body('username').custom(isUserUsernameValid).withMessage('Should have a valid username (lowercase alphanumeric characters)'),
  27   body('password').custom(isUserPasswordValid).withMessage('Should have a valid password'),
  28   body('email').isEmail().withMessage('Should have a valid email'),
  29   body('videoQuota').custom(isUserVideoQuotaValid).withMessage('Should have a valid user quota'),
  30   body('role').custom(isUserRoleValid).withMessage('Should have a valid role'),
  31
  32   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  33     logger.debug('Checking usersAdd parameters', { parameters: omit(req.body, 'password') })
  34
  35     if (areValidationErrors(req, res)) return
  36     if (!await checkUserNameOrEmailDoesNotAlreadyExist(req.body.username, req.body.email, res)) return
  37
  38     return next()
  39   }
  40 ]
  41
  42 const usersRegisterValidator = [
  43   body('username').custom(isUserUsernameValid).withMessage('Should have a valid username'),
  44   body('password').custom(isUserPasswordValid).withMessage('Should have a valid password'),
  45   body('email').isEmail().withMessage('Should have a valid email'),
  46
  47   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  48     logger.debug('Checking usersRegister parameters', { parameters: omit(req.body, 'password') })
  49
  50     if (areValidationErrors(req, res)) return
  51     if (!await checkUserNameOrEmailDoesNotAlreadyExist(req.body.username, req.body.email, res)) return
  52
  53     return next()
  54   }
  55 ]
  56
  57 const usersRemoveValidator = [
  58   param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
  59
  60   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  61     logger.debug('Checking usersRemove parameters', { parameters: req.params })
  62
  63     if (areValidationErrors(req, res)) return
  64     if (!await checkUserIdExist(req.params.id, res)) return
  65
  66     const user = res.locals.user
  67     if (user.username === 'root') {
  68       return res.status(400)
  69                 .send({ error: 'Cannot remove the root user' })
  70                 .end()
  71     }
  72
  73     return next()
  74   }
  75 ]
  76
  77 const usersUpdateValidator = [
  78   param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
  79   body('email').optional().isEmail().withMessage('Should have a valid email attribute'),
  80   body('videoQuota').optional().custom(isUserVideoQuotaValid).withMessage('Should have a valid user quota'),
  81   body('role').optional().custom(isUserRoleValid).withMessage('Should have a valid role'),
  82
  83   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  84     logger.debug('Checking usersUpdate parameters', { parameters: req.body })
  85
  86     if (areValidationErrors(req, res)) return
  87     if (!await checkUserIdExist(req.params.id, res)) return
  88
  89     const user = res.locals.user
  90     if (user.username === 'root' && req.body.role !== undefined && user.role !== req.body.role) {
  91       return res.status(400)
  92         .send({ error: 'Cannot change root role.' })
  93         .end()
  94     }
  95
  96     return next()
  97   }
  98 ]
  99
 100 const usersUpdateMeValidator = [
 101   body('displayName').optional().custom(isUserDisplayNameValid).withMessage('Should have a valid display name'),
 102   body('description').optional().custom(isUserDescriptionValid).withMessage('Should have a valid description'),
 103   body('password').optional().custom(isUserPasswordValid).withMessage('Should have a valid password'),
 104   body('email').optional().isEmail().withMessage('Should have a valid email attribute'),
 105   body('nsfwPolicy').optional().custom(isUserNSFWPolicyValid).withMessage('Should have a valid display Not Safe For Work policy'),
 106   body('autoPlayVideo').optional().custom(isUserAutoPlayVideoValid).withMessage('Should have a valid automatically plays video attribute'),
 107
 108   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 109     // TODO: Add old password verification
 110     logger.debug('Checking usersUpdateMe parameters', { parameters: omit(req.body, 'password') })
 111
 112     if (areValidationErrors(req, res)) return
 113
 114     return next()
 115   }
 116 ]
 117
 118 const usersUpdateMyAvatarValidator = [
 119   body('avatarfile').custom((value, { req }) => isAvatarFile(req.files)).withMessage(
 120     'This file is not supported. Please, make sure it is of the following type : '
 121     + CONSTRAINTS_FIELDS.ACTORS.AVATAR.EXTNAME.join(', ')
 122   ),
 123
 124   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 125     logger.debug('Checking usersUpdateMyAvatarValidator parameters', { files: req.files })
 126
 127     if (areValidationErrors(req, res)) return
 128
 129     const imageFile = req.files['avatarfile'][0] as Express.Multer.File
 130     if (imageFile.size > CONSTRAINTS_FIELDS.ACTORS.AVATAR.FILE_SIZE.max) {
 131       res.status(400)
 132         .send({ error: `The size of the avatar is too big (>${CONSTRAINTS_FIELDS.ACTORS.AVATAR.FILE_SIZE.max}).` })
 133         .end()
 134       return
 135     }
 136
 137     return next()
 138   }
 139 ]
 140
 141 const usersGetValidator = [
 142   param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
 143
 144   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 145     logger.debug('Checking usersGet parameters', { parameters: req.params })
 146
 147     if (areValidationErrors(req, res)) return
 148     if (!await checkUserIdExist(req.params.id, res)) return
 149
 150     return next()
 151   }
 152 ]
 153
 154 const usersVideoRatingValidator = [
 155   param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid video id'),
 156
 157   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 158     logger.debug('Checking usersVideoRating parameters', { parameters: req.params })
 159
 160     if (areValidationErrors(req, res)) return
 161     if (!await isVideoExist(req.params.videoId, res)) return
 162
 163     return next()
 164   }
 165 ]
 166
 167 const ensureUserRegistrationAllowed = [
 168   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 169     const allowed = await isSignupAllowed()
 170     if (allowed === false) {
 171       return res.status(403)
 172                 .send({ error: 'User registration is not enabled or user limit is reached.' })
 173                 .end()
 174     }
 175
 176     return next()
 177   }
 178 ]
 179
 180 const ensureUserRegistrationAllowedForIP = [
 181   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 182     const allowed = isSignupAllowedForCurrentIP(req.ip)
 183
 184     if (allowed === false) {
 185       return res.status(403)
 186                 .send({ error: 'You are not on a network authorized for registration.' })
 187                 .end()
 188     }
 189
 190     return next()
 191   }
 192 ]
 193
 194 const usersAskResetPasswordValidator = [
 195   body('email').isEmail().not().isEmpty().withMessage('Should have a valid email'),
 196
 197   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 198     logger.debug('Checking usersAskResetPassword parameters', { parameters: req.body })
 199
 200     if (areValidationErrors(req, res)) return
 201     const exists = await checkUserEmailExist(req.body.email, res, false)
 202     if (!exists) {
 203       logger.debug('User with email %s does not exist (asking reset password).', req.body.email)
 204       // Do not leak our emails
 205       return res.status(204).end()
 206     }
 207
 208     return next()
 209   }
 210 ]
 211
 212 const usersResetPasswordValidator = [
 213   param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
 214   body('verificationString').not().isEmpty().withMessage('Should have a valid verification string'),
 215   body('password').custom(isUserPasswordValid).withMessage('Should have a valid password'),
 216
 217   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 218     logger.debug('Checking usersResetPassword parameters', { parameters: req.params })
 219
 220     if (areValidationErrors(req, res)) return
 221     if (!await checkUserIdExist(req.params.id, res)) return
 222
 223     const user = res.locals.user as UserModel
 224     const redisVerificationString = await Redis.Instance.getResetPasswordLink(user.id)
 225
 226     if (redisVerificationString !== req.body.verificationString) {
 227       return res
 228         .status(403)
 229         .send({ error: 'Invalid verification string.' })
 230         .end()
 231     }
 232
 233     return next()
 234   }
 235 ]
 236
 237 // ---------------------------------------------------------------------------
 238
 239 export {
 240   usersAddValidator,
 241   usersRegisterValidator,
 242   usersRemoveValidator,
 243   usersUpdateValidator,
 244   usersUpdateMeValidator,
 245   usersVideoRatingValidator,
 246   ensureUserRegistrationAllowed,
 247   ensureUserRegistrationAllowedForIP,
 248   usersGetValidator,
 249   usersUpdateMyAvatarValidator,
 250   usersAskResetPasswordValidator,
 251   usersResetPasswordValidator
 252 }
 253
 254 // ---------------------------------------------------------------------------
 255
 256 function checkUserIdExist (id: number, res: express.Response) {
 257   return checkUserExist(() => UserModel.loadById(id), res)
 258 }
 259
 260 function checkUserEmailExist (email: string, res: express.Response, abortResponse = true) {
 261   return checkUserExist(() => UserModel.loadByEmail(email), res, abortResponse)
 262 }
 263
 264 async function checkUserNameOrEmailDoesNotAlreadyExist (username: string, email: string, res: express.Response) {
 265   const user = await UserModel.loadByUsernameOrEmail(username, email)
 266
 267   if (user) {
 268     res.status(409)
 269               .send({ error: 'User with this username or email already exists.' })
 270               .end()
 271     return false
 272   }
 273
 274   return true
 275 }
 276
 277 async function checkUserExist (finder: () => Bluebird<UserModel>, res: express.Response, abortResponse = true) {
 278   const user = await finder()
 279
 280   if (!user) {
 281     if (abortResponse === true) {
 282       res.status(404)
 283         .send({ error: 'User not found' })
 284         .end()
 285     }
 286
 287     return false
 288   }
 289
 290   res.locals.user = user
 291
 292   return true
 293 }