From 78e0ae643c8eb9817b3396cf07a263ce9f03fc4c Mon Sep 17 00:00:00 2001
From: Marcos Casagrande <marcoscvp90@gmail.com>
Date: Wed, 29 Apr 2020 22:38:24 +0200
Subject: Fix MultipartReader for big files (#4865)

---
 std/mime/multipart.ts | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'std/mime/multipart.ts')

diff --git a/std/mime/multipart.ts b/std/mime/multipart.ts
index b2ac8dcdd..6aadef938 100644
--- a/std/mime/multipart.ts
+++ b/std/mime/multipart.ts
@@ -308,7 +308,7 @@ export class MultipartReader {
       }
       // file
       let formFile: FormFile | undefined;
-      const n = await copy(p, buf);
+      const n = await copyN(p, buf, maxValueBytes);
       const contentType = p.headers.get("content-type");
       assert(contentType != null, "content-type must be set");
       if (n > maxMemory) {
@@ -319,11 +319,8 @@ export class MultipartReader {
           postfix: ext,
         });
         try {
-          const size = await copyN(
-            new MultiReader(buf, p),
-            file,
-            maxValueBytes
-          );
+          const size = await copy(new MultiReader(buf, p), file);
+
           file.close();
           formFile = {
             filename: p.fileName,
@@ -333,6 +330,7 @@ export class MultipartReader {
           };
         } catch (e) {
           await remove(filepath);
+          throw e;
         }
       } else {
         formFile = {
-- 
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