server/middlewares/validators/themes.ts

   1 import express from 'express'
   2 import { param } from 'express-validator'
   3 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
   4 import { isSafePath } from '../../helpers/custom-validators/misc'
   5 import { isPluginNameValid, isPluginVersionValid } from '../../helpers/custom-validators/plugins'
   6 import { logger } from '../../helpers/logger'
   7 import { PluginManager } from '../../lib/plugins/plugin-manager'
   8 import { areValidationErrors } from './shared'
   9
  10 const serveThemeCSSValidator = [
  11   param('themeName')
  12     .custom(isPluginNameValid),
  13   param('themeVersion')
  14     .custom(isPluginVersionValid),
  15   param('staticEndpoint')
  16     .custom(isSafePath),
  17
  18   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  19     logger.debug('Checking serveThemeCSS parameters', { parameters: req.params })
  20
  21     if (areValidationErrors(req, res)) return
  22
  23     const theme = PluginManager.Instance.getRegisteredThemeByShortName(req.params.themeName)
  24
  25     if (!theme || theme.version !== req.params.themeVersion) {
  26       return res.fail({
  27         status: HttpStatusCode.NOT_FOUND_404,
  28         message: 'No theme named ' + req.params.themeName + ' was found with version ' + req.params.themeVersion
  29       })
  30     }
  31
  32     if (theme.css.includes(req.params.staticEndpoint) === false) {
  33       return res.fail({
  34         status: HttpStatusCode.NOT_FOUND_404,
  35         message: 'No static endpoint was found for this theme'
  36       })
  37     }
  38
  39     res.locals.registeredPlugin = theme
  40
  41     return next()
  42   }
  43 ]
  44
  45 // ---------------------------------------------------------------------------
  46
  47 export {
  48   serveThemeCSSValidator
  49 }