server/middlewares/error.ts

   1 import express from 'express'
   2 import { ProblemDocument, ProblemDocumentExtension } from 'http-problem-details'
   3 import { HttpStatusCode } from '@shared/models'
   4
   5 function apiFailMiddleware (req: express.Request, res: express.Response, next: express.NextFunction) {
   6   res.fail = options => {
   7     const { status = HttpStatusCode.BAD_REQUEST_400, message, title, type, data, instance } = options
   8
   9     const extension = new ProblemDocumentExtension({
  10       ...data,
  11
  12       docs: res.locals.docUrl,
  13       code: type,
  14
  15       // For <= 3.2 compatibility
  16       error: message
  17     })
  18
  19     res.status(status)
  20     res.setHeader('Content-Type', 'application/problem+json')
  21     res.json(new ProblemDocument({
  22       status,
  23       title,
  24       instance,
  25
  26       detail: message,
  27
  28       type: type
  29         ? `https://docs.joinpeertube.org/api-rest-reference.html#section/Errors/${type}`
  30         : undefined
  31     }, extension))
  32   }
  33
  34   if (next) next()
  35 }
  36
  37 export {
  38   apiFailMiddleware
  39 }