From cf7a61b5a2b68fd966c4a355e37e84b048ed296b Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Tue, 31 Jul 2018 15:09:34 +0200
Subject: Cleanup req files on bad request

---
 server/helpers/core-utils.ts                       |  2 +-
 server/helpers/custom-validators/video-captions.ts |  2 +-
 server/helpers/utils.ts                            | 28 +++++++++++++++++++++-
 3 files changed, 29 insertions(+), 3 deletions(-)

(limited to 'server/helpers')

diff --git a/server/helpers/core-utils.ts b/server/helpers/core-utils.ts
index 2951aef1e..884206aad 100644
--- a/server/helpers/core-utils.ts
+++ b/server/helpers/core-utils.ts
@@ -58,7 +58,7 @@ function escapeHTML (stringParam) {
     '<': '&lt;',
     '>': '&gt;',
     '"': '&quot;',
-    "'": '&#39;',
+    '\'': '&#39;',
     '/': '&#x2F;',
     '`': '&#x60;',
     '=': '&#x3D;'
diff --git a/server/helpers/custom-validators/video-captions.ts b/server/helpers/custom-validators/video-captions.ts
index 6a9c6d75c..6b1729f36 100644
--- a/server/helpers/custom-validators/video-captions.ts
+++ b/server/helpers/custom-validators/video-captions.ts
@@ -1,4 +1,4 @@
-import { CONSTRAINTS_FIELDS, VIDEO_CAPTIONS_MIMETYPE_EXT, VIDEO_LANGUAGES, VIDEO_MIMETYPE_EXT } from '../../initializers'
+import { CONSTRAINTS_FIELDS, VIDEO_CAPTIONS_MIMETYPE_EXT, VIDEO_LANGUAGES } from '../../initializers'
 import { exists, isFileValid } from './misc'
 import { Response } from 'express'
 import { VideoModel } from '../../models/video/video'
diff --git a/server/helpers/utils.ts b/server/helpers/utils.ts
index cfb427570..7abcec5d7 100644
--- a/server/helpers/utils.ts
+++ b/server/helpers/utils.ts
@@ -6,11 +6,35 @@ import { CONFIG } from '../initializers'
 import { UserModel } from '../models/account/user'
 import { ActorModel } from '../models/activitypub/actor'
 import { ApplicationModel } from '../models/application/application'
-import { pseudoRandomBytesPromise } from './core-utils'
+import { pseudoRandomBytesPromise, unlinkPromise } from './core-utils'
 import { logger } from './logger'
+import { isArray } from './custom-validators/misc'
 
 const isCidr = require('is-cidr')
 
+function cleanUpReqFiles (req: { files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[] }) {
+  const files = req.files
+
+  if (!files) return
+
+  if (isArray(files)) {
+    (files as Express.Multer.File[]).forEach(f => deleteFileAsync(f.path))
+    return
+  }
+
+  for (const key of Object.keys(files)) {
+    const file = files[key]
+
+    if (isArray(file)) file.forEach(f => deleteFileAsync(f.path))
+    else deleteFileAsync(file.path)
+  }
+}
+
+function deleteFileAsync (path: string) {
+  unlinkPromise(path)
+    .catch(err => logger.error('Cannot delete the file %s asynchronously.', path, { err }))
+}
+
 async function generateRandomString (size: number) {
   const raw = await pseudoRandomBytesPromise(size)
 
@@ -162,6 +186,8 @@ type SortType = { sortModel: any, sortValue: string }
 // ---------------------------------------------------------------------------
 
 export {
+  cleanUpReqFiles,
+  deleteFileAsync,
   generateRandomString,
   getFormattedObjects,
   isSignupAllowed,
-- 
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