From 37d471fb0d99d10a2db7d49e5cb36d689933b230 Mon Sep 17 00:00:00 2001
From: catloversg <152669316+catloversg@users.noreply.github.com>
Date: Mon, 12 May 2025 14:27:48 +0700
Subject: [PATCH] MISC: Show custom error message when player imports
 decompressed save file (#2108)

---
 src/SaveObject.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/SaveObject.ts b/src/SaveObject.ts
index b05839be4..c272cd544 100644
--- a/src/SaveObject.ts
+++ b/src/SaveObject.ts
@@ -318,6 +318,12 @@ class BitburnerSaveObject implements BitburnerSaveObjectType {
       throw new Error("Invalid save data");
     }
 
+    if (typeof saveData === "string" && saveData.startsWith(`{"ctor"`)) {
+      throw new Error(
+        "The save data is invalid. You must import the original save file. If it's a .gz file, don't decompress it.",
+      );
+    }
+
     let decodedSaveData;
     try {
       decodedSaveData = await decodeSaveData(saveData);