From c16640d332f204a66db95671d05e6dbbab91c5e5 Mon Sep 17 00:00:00 2001
From: Prasanth B <89722848+bupd@users.noreply.github.com>
Date: Tue, 26 Nov 2024 20:33:26 +0530
Subject: [PATCH] fix-username validation (#265)

Signed-off-by: bupd <bupdprasanth@gmail.com>
Signed-off-by: Patrick Eschenbach <patrickeschenbach96@gmail.com>
---
 pkg/utils/helper.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkg/utils/helper.go b/pkg/utils/helper.go
index 22863f5e..ba11029e 100644
--- a/pkg/utils/helper.go
+++ b/pkg/utils/helper.go
@@ -44,10 +44,10 @@ func FormatSize(size int64) string {
 	return fmt.Sprintf("%.2fMiB", mbSize)
 }
 
+// ValidateUserName checks if the username is valid by length and allowed characters.
 func ValidateUserName(username string) bool {
-	pattern := `^[a-zA-Z0-9]{1,255}$`
-	re := regexp.MustCompile(pattern)
-	return re.MatchString(username)
+	username = strings.TrimSpace(username)
+	return len(username) >= 1 && len(username) <= 255 && !strings.ContainsAny(username, `,"~#%$`)
 }
 
 func ValidateEmail(email string) bool {