server/middlewares/validators/users.ts

   1 import 'express-validator'
   2 import * as express from 'express'
   3 import * as Promise from 'bluebird'
   4 import * as validator from 'validator'
   5
   6 import { database as db } from '../../initializers/database'
   7 import { checkErrors } from './utils'
   8 import { isSignupAllowed, logger } from '../../helpers'
   9 import { UserInstance, VideoInstance } from '../../models'
  10
  11 function usersAddValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  12   req.checkBody('username', 'Should have a valid username').isUserUsernameValid()
  13   req.checkBody('password', 'Should have a valid password').isUserPasswordValid()
  14   req.checkBody('email', 'Should have a valid email').isEmail()
  15   req.checkBody('videoQuota', 'Should have a valid user quota').isUserVideoQuotaValid()
  16
  17   logger.debug('Checking usersAdd parameters', { parameters: req.body })
  18
  19   checkErrors(req, res, () => {
  20     checkUserDoesNotAlreadyExist(req.body.username, req.body.email, res, next)
  21   })
  22 }
  23
  24 function usersRegisterValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  25   req.checkBody('username', 'Should have a valid username').isUserUsernameValid()
  26   req.checkBody('password', 'Should have a valid password').isUserPasswordValid()
  27   req.checkBody('email', 'Should have a valid email').isEmail()
  28
  29   logger.debug('Checking usersRegister parameters', { parameters: req.body })
  30
  31   checkErrors(req, res, () => {
  32     checkUserDoesNotAlreadyExist(req.body.username, req.body.email, res, next)
  33   })
  34 }
  35
  36 function usersRemoveValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  37   req.checkParams('id', 'Should have a valid id').notEmpty().isInt()
  38
  39   logger.debug('Checking usersRemove parameters', { parameters: req.params })
  40
  41   checkErrors(req, res, () => {
  42     checkUserExists(req.params.id, res, (err, user) => {
  43       if (err) {
  44         logger.error('Error in usersRemoveValidator.', err)
  45         return res.sendStatus(500)
  46       }
  47
  48       if (user.username === 'root') {
  49         return res.status(400)
  50                   .send({ error: 'Cannot remove the root user' })
  51                   .end()
  52       }
  53
  54       return next()
  55     })
  56   })
  57 }
  58
  59 function usersUpdateValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  60   req.checkParams('id', 'Should have a valid id').notEmpty().isInt()
  61   req.checkBody('email', 'Should have a valid email attribute').optional().isEmail()
  62   req.checkBody('videoQuota', 'Should have a valid user quota').optional().isUserVideoQuotaValid()
  63
  64   logger.debug('Checking usersUpdate parameters', { parameters: req.body })
  65
  66   checkErrors(req, res, () => {
  67     checkUserExists(req.params.id, res, next)
  68   })
  69 }
  70
  71 function usersUpdateMeValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  72   // Add old password verification
  73   req.checkBody('password', 'Should have a valid password').optional().isUserPasswordValid()
  74   req.checkBody('email', 'Should have a valid email attribute').optional().isEmail()
  75   req.checkBody('displayNSFW', 'Should have a valid display Not Safe For Work attribute').optional().isUserDisplayNSFWValid()
  76
  77   logger.debug('Checking usersUpdateMe parameters', { parameters: req.body })
  78
  79   checkErrors(req, res, next)
  80 }
  81
  82 function usersGetValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  83   req.checkParams('id', 'Should have a valid id').notEmpty().isInt()
  84
  85   checkErrors(req, res, () => {
  86     checkUserExists(req.params.id, res, next)
  87   })
  88 }
  89
  90 function usersVideoRatingValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  91   req.checkParams('videoId', 'Should have a valid video id').notEmpty().isVideoIdOrUUIDValid()
  92
  93   logger.debug('Checking usersVideoRating parameters', { parameters: req.params })
  94
  95   checkErrors(req, res, () => {
  96     let videoPromise: Promise<VideoInstance>
  97
  98     if (validator.isUUID(req.params.videoId)) {
  99       videoPromise = db.Video.loadByUUID(req.params.videoId)
 100     } else {
 101       videoPromise = db.Video.load(req.params.videoId)
 102     }
 103
 104     videoPromise
 105       .then(video => {
 106         if (!video) {
 107           return res.status(404)
 108                     .json({ error: 'Video not found' })
 109                     .end()
 110         }
 111
 112         return next()
 113       })
 114       .catch(err => {
 115         logger.error('Error in user request validator.', err)
 116         return res.sendStatus(500)
 117       })
 118   })
 119 }
 120
 121 function ensureUserRegistrationAllowed (req: express.Request, res: express.Response, next: express.NextFunction) {
 122   isSignupAllowed().then(allowed => {
 123     if (allowed === false) {
 124       return res.status(403)
 125                 .send({ error: 'User registration is not enabled or user limit is reached.' })
 126                 .end()
 127     }
 128
 129     return next()
 130   })
 131 }
 132
 133 // ---------------------------------------------------------------------------
 134
 135 export {
 136   usersAddValidator,
 137   usersRegisterValidator,
 138   usersRemoveValidator,
 139   usersUpdateValidator,
 140   usersUpdateMeValidator,
 141   usersVideoRatingValidator,
 142   ensureUserRegistrationAllowed,
 143   usersGetValidator
 144 }
 145
 146 // ---------------------------------------------------------------------------
 147
 148 function checkUserExists (id: number, res: express.Response, callback: (err: Error, user: UserInstance) => void) {
 149   db.User.loadById(id)
 150     .then(user => {
 151       if (!user) {
 152         return res.status(404)
 153                   .send({ error: 'User not found' })
 154                   .end()
 155       }
 156
 157       res.locals.user = user
 158       return callback(null, user)
 159     })
 160     .catch(err => {
 161       logger.error('Error in user request validator.', err)
 162       return res.sendStatus(500)
 163     })
 164 }
 165
 166 function checkUserDoesNotAlreadyExist (username: string, email: string, res: express.Response, callback: () => void) {
 167   db.User.loadByUsernameOrEmail(username, email)
 168       .then(user => {
 169         if (user) {
 170           return res.status(409)
 171                     .send({ error: 'User already exists.' })
 172                     .end()
 173         }
 174
 175         return callback()
 176       })
 177       .catch(err => {
 178         logger.error('Error in usersAdd request validator.', err)
 179         return res.sendStatus(500)
 180       })
 181 }