server/middlewares/error.ts

   1 import express from 'express'
   2 import { ProblemDocument, ProblemDocumentExtension } from 'http-problem-details'
   3 import { logger } from '@server/helpers/logger'
   4 import { HttpStatusCode } from '@shared/models'
   5
   6 function apiFailMiddleware (req: express.Request, res: express.Response, next: express.NextFunction) {
   7   res.fail = options => {
   8     const { status = HttpStatusCode.BAD_REQUEST_400, message, title, type, data, instance } = options
   9
  10     const extension = new ProblemDocumentExtension({
  11       ...data,
  12
  13       docs: res.locals.docUrl,
  14       code: type,
  15
  16       // For <= 3.2 compatibility
  17       error: message
  18     })
  19
  20     res.status(status)
  21     res.setHeader('Content-Type', 'application/problem+json')
  22
  23     const json = new ProblemDocument({
  24       status,
  25       title,
  26       instance,
  27
  28       detail: message,
  29
  30       type: type
  31         ? `https://docs.joinpeertube.org/api-rest-reference.html#section/Errors/${type}`
  32         : undefined
  33     }, extension)
  34
  35     logger.debug('Bad HTTP request.', { json })
  36
  37     res.json(json)
  38   }
  39
  40   if (next) next()
  41 }
  42
  43 function handleStaticError (err: any, req: express.Request, res: express.Response, next: express.NextFunction) {
  44   const message = err.message || ''
  45
  46   if (message.includes('ENOENT')) {
  47     return res.fail({
  48       status: err.status || HttpStatusCode.INTERNAL_SERVER_ERROR_500,
  49       message: err.message,
  50       type: err.name
  51     })
  52   }
  53
  54   return next(err)
  55 }
  56
  57 export {
  58   apiFailMiddleware,
  59   handleStaticError
  60 }