From 8e4805ba69918c10a42d7fbc64b65481a87c7c0d Mon Sep 17 00:00:00 2001
From: "Allen.Guo" <5418150+toddlerya@users.noreply.github.com>
Date: Tue, 1 Jan 2019 09:22:09 +0800
Subject: [PATCH] set threshold for large files (#558)

Former-commit-id: 9b4aa87da78f2a9ad539e4229a5a1114a5716502 [formerly 0767dca86d42737c75bb7575015f9c29e35a55a2] [formerly 65887efb2d961d40c95374ac2336e76e53e3b4b0 [formerly 802bcd8cbd03d426ea8429ccecc25852f3abea97]]
Former-commit-id: 3daab729620942ea0403f618588e731f90717e17 [formerly 5197f129ce4425a8716279e04f4e5b3653901c3d]
Former-commit-id: 0cb78fc0e87cb14ee540f2d3a2264d7b081c8985
---
 lib/file.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/file.go b/lib/file.go
index 8501fb6d..d37c104e 100644
--- a/lib/file.go
+++ b/lib/file.go
@@ -23,6 +23,10 @@ import (
 	"github.com/maruel/natural"
 )
 
+// The size of the loaded text can be rendered in the browser. Avoiding files that are too large causes browsers to crash.
+// Currently set to 10MB, 10 * 1024 * 1024 = 10485760 byte
+const textExtensionsRenderMaxSize int64 = 10485760
+
 // File contains the information about a particular file or directory.
 type File struct {
 	// Indicates the Kind of view on the front-end (Listing, editor or preview).
@@ -268,7 +272,7 @@ func (i *File) GetFileType(checkContent bool) error {
 
 End:
 	// If the file type is text, save its content.
-	if i.Type == "text" {
+	if i.Type == "text" && i.Size <= textExtensionsRenderMaxSize { // Avoiding files that are too large causes browsers to crash
 		if len(content) == 0 {
 			content, err = ioutil.ReadFile(i.Path)
 			if err != nil {