From a081d9b3846a23f8ef096b69e4993bf112ea1589 Mon Sep 17 00:00:00 2001
From: jvyden <jvyden@jvyden.xyz>
Date: Mon, 18 Oct 2021 10:18:39 -0400
Subject: [PATCH] Check for trailing slash

---
 UnionPatcher/Patcher.cs | 4 ++++
 UnionPatcher/Program.cs | 1 +
 2 files changed, 5 insertions(+)

diff --git a/UnionPatcher/Patcher.cs b/UnionPatcher/Patcher.cs
index 5a1436b..03f103b 100644
--- a/UnionPatcher/Patcher.cs
+++ b/UnionPatcher/Patcher.cs
@@ -14,6 +14,10 @@ namespace UnionPatcher {
         }
         
         public static byte[] PatchData(byte[] data, string serverUrl) {
+            if(serverUrl.EndsWith('/')) {
+                throw new ArgumentException("URL must not contain a trailing slash!");
+            }
+            
             string dataAsString = Encoding.ASCII.GetString(data);
 
             using MemoryStream ms = new(data);
diff --git a/UnionPatcher/Program.cs b/UnionPatcher/Program.cs
index 6fed966..0204dac 100644
--- a/UnionPatcher/Program.cs
+++ b/UnionPatcher/Program.cs
@@ -23,6 +23,7 @@ namespace UnionPatcher {
             }
             
             Patcher.PatchFile(args[0], args[1], args[2]);
+            Console.WriteLine($"Successfully patched Server URL to {args[1]}.");
         }
 
         public static void PrintHelp() {