server/middlewares/validators/themes.ts

   1 import * as express from 'express'
   2 import { param } from 'express-validator'
   3 import { logger } from '../../helpers/logger'
   4 import { areValidationErrors } from './utils'
   5 import { isPluginNameValid, isPluginVersionValid } from '../../helpers/custom-validators/plugins'
   6 import { PluginManager } from '../../lib/plugins/plugin-manager'
   7 import { isSafePath } from '../../helpers/custom-validators/misc'
   8
   9 const serveThemeCSSValidator = [
  10   param('themeName').custom(isPluginNameValid).withMessage('Should have a valid theme name'),
  11   param('themeVersion').custom(isPluginVersionValid).withMessage('Should have a valid theme version'),
  12   param('staticEndpoint').custom(isSafePath).withMessage('Should have a valid static endpoint'),
  13
  14   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  15     logger.debug('Checking serveThemeCSS parameters', { parameters: req.params })
  16
  17     if (areValidationErrors(req, res)) return
  18
  19     const theme = PluginManager.Instance.getRegisteredThemeByShortName(req.params.themeName)
  20
  21     if (!theme || theme.version !== req.params.themeVersion) {
  22       return res.sendStatus(404)
  23     }
  24
  25     if (theme.css.includes(req.params.staticEndpoint) === false) {
  26       return res.sendStatus(404)
  27     }
  28
  29     res.locals.registeredPlugin = theme
  30
  31     return next()
  32   }
  33 ]
  34
  35 // ---------------------------------------------------------------------------
  36
  37 export {
  38   serveThemeCSSValidator
  39 }