From 5d8f3f765a53178aef51b39971986396d6c4354d Mon Sep 17 00:00:00 2001
From: Timo Reymann <timo.reymann@deepl.com>
Date: Fri, 19 Apr 2024 13:46:36 +0200
Subject: [PATCH] fix(#9): Harden http image check

---
 pkg/assets/main.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkg/assets/main.go b/pkg/assets/main.go
index d4ced3c..fc2842e 100644
--- a/pkg/assets/main.go
+++ b/pkg/assets/main.go
@@ -6,6 +6,7 @@ import (
 	"io"
 	"net/http"
 	"os"
+	"strings"
 )
 
 func loadFileOrUrl(path string) ([]byte, error) {
@@ -17,7 +18,7 @@ func loadFileOrUrl(path string) ([]byte, error) {
 		if err != nil {
 			return nil, err
 		}
-	} else {
+	} else if strings.HasPrefix(path, "http") {
 		// File does not exist locally, download it from the internet
 		resp, err := http.Get(path)
 		if err != nil {
@@ -29,6 +30,8 @@ func loadFileOrUrl(path string) ([]byte, error) {
 		if err != nil {
 			return nil, err
 		}
+	} else {
+		return nil, fmt.Errorf(path + " could not be found and is no resolvable URL")
 	}
 	return data, nil
 }