server/middlewares/validators/server.ts

   1 import * as express from 'express'
   2 import { logger } from '../../helpers/logger'
   3 import { areValidationErrors } from './utils'
   4 import { isHostValid, isValidContactBody } from '../../helpers/custom-validators/servers'
   5 import { ServerModel } from '../../models/server/server'
   6 import { body } from 'express-validator'
   7 import { isUserDisplayNameValid } from '../../helpers/custom-validators/users'
   8 import { Redis } from '../../lib/redis'
   9 import { CONFIG, isEmailEnabled } from '../../initializers/config'
  10
  11 const serverGetValidator = [
  12   body('host').custom(isHostValid).withMessage('Should have a valid host'),
  13
  14   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  15     logger.debug('Checking serverGetValidator parameters', { parameters: req.body })
  16
  17     if (areValidationErrors(req, res)) return
  18
  19     const server = await ServerModel.loadByHost(req.body.host)
  20     if (!server) {
  21       return res.status(404)
  22          .send({ error: 'Server host not found.' })
  23          .end()
  24     }
  25
  26     res.locals.server = server
  27
  28     return next()
  29   }
  30 ]
  31
  32 const contactAdministratorValidator = [
  33   body('fromName')
  34     .custom(isUserDisplayNameValid).withMessage('Should have a valid name'),
  35   body('fromEmail')
  36     .isEmail().withMessage('Should have a valid email'),
  37   body('body')
  38     .custom(isValidContactBody).withMessage('Should have a valid body'),
  39
  40   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  41     logger.debug('Checking contactAdministratorValidator parameters', { parameters: req.body })
  42
  43     if (areValidationErrors(req, res)) return
  44
  45     if (CONFIG.CONTACT_FORM.ENABLED === false) {
  46       return res
  47         .status(409)
  48         .send({ error: 'Contact form is not enabled on this instance.' })
  49         .end()
  50     }
  51
  52     if (isEmailEnabled() === false) {
  53       return res
  54         .status(409)
  55         .send({ error: 'Emailer is not enabled on this instance.' })
  56         .end()
  57     }
  58
  59     if (await Redis.Instance.doesContactFormIpExist(req.ip)) {
  60       logger.info('Refusing a contact form by %s: already sent one recently.', req.ip)
  61
  62       return res
  63         .status(403)
  64         .send({ error: 'You already sent a contact form recently.' })
  65         .end()
  66     }
  67
  68     return next()
  69   }
  70 ]
  71
  72 // ---------------------------------------------------------------------------
  73
  74 export {
  75   serverGetValidator,
  76   contactAdministratorValidator
  77 }