From a2431b7dcbc72c05101dcdbe631ff84a823aeb51 Mon Sep 17 00:00:00 2001
From: Chocobozzz <florian.bigard@gmail.com>
Date: Mon, 27 Nov 2017 17:30:46 +0100
Subject: Refractor validators

---
 server/middlewares/validators/oembed.ts | 59 ++++++++++++++++-----------------
 1 file changed, 28 insertions(+), 31 deletions(-)

(limited to 'server/middlewares/validators/oembed.ts')

diff --git a/server/middlewares/validators/oembed.ts b/server/middlewares/validators/oembed.ts
index f8e34d2d4..31f06dc65 100644
--- a/server/middlewares/validators/oembed.ts
+++ b/server/middlewares/validators/oembed.ts
@@ -1,15 +1,10 @@
-import { query } from 'express-validator/check'
 import * as express from 'express'
+import { query } from 'express-validator/check'
 import { join } from 'path'
-
-import { checkErrors } from './utils'
+import { isIdOrUUIDValid, isTestInstance, logger } from '../../helpers'
 import { CONFIG } from '../../initializers'
-import {
-  logger,
-  isTestInstance,
-  checkVideoExists,
-  isIdOrUUIDValid
-} from '../../helpers'
+import { areValidationErrors } from './utils'
+import { isVideoExist } from '../../helpers/custom-validators/videos'
 
 const urlShouldStartWith = CONFIG.WEBSERVER.SCHEME + '://' + join(CONFIG.WEBSERVER.HOST, 'videos', 'watch') + '/'
 const videoWatchRegex = new RegExp('([^/]+)$')
@@ -29,33 +24,35 @@ const oembedValidator = [
   query('maxheight').optional().isInt().withMessage('Should have a valid max height'),
   query('format').optional().isIn([ 'xml', 'json' ]).withMessage('Should have a valid format'),
 
-  (req: express.Request, res: express.Response, next: express.NextFunction) => {
+  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
     logger.debug('Checking oembed parameters', { parameters: req.query })
 
-    checkErrors(req, res, () => {
-      if (req.query.format !== undefined && req.query.format !== 'json') {
-        return res.status(501)
-                  .json({ error: 'Requested format is not implemented on server.' })
-                  .end()
-      }
+    if (areValidationErrors(req, res)) return
+
+    if (req.query.format !== undefined && req.query.format !== 'json') {
+      return res.status(501)
+                .json({ error: 'Requested format is not implemented on server.' })
+                .end()
+    }
+
+    const startIsOk = req.query.url.startsWith(urlShouldStartWith)
+    const matches = videoWatchRegex.exec(req.query.url)
+    if (startIsOk === false || matches === null) {
+      return res.status(400)
+                .json({ error: 'Invalid url.' })
+                .end()
+    }
 
-      const startIsOk = req.query.url.startsWith(urlShouldStartWith)
-      const matches = videoWatchRegex.exec(req.query.url)
-      if (startIsOk === false || matches === null) {
-        return res.status(400)
-                  .json({ error: 'Invalid url.' })
-                  .end()
-      }
+    const videoId = matches[1]
+    if (isIdOrUUIDValid(videoId) === false) {
+      return res.status(400)
+                .json({ error: 'Invalid video id.' })
+                .end()
+    }
 
-      const videoId = matches[1]
-      if (isIdOrUUIDValid(videoId) === false) {
-        return res.status(400)
-                  .json({ error: 'Invalid video id.' })
-                  .end()
-      }
+    if (!await isVideoExist(videoId, res)) return
 
-      checkVideoExists(videoId, res, next)
-    })
+    return next()
   }
 ]
 
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