From 589a6bfadb422b69b1bff13e7edb739f2894815a Mon Sep 17 00:00:00 2001
From: xream <xream@icloud.com>
Date: Wed, 8 Jan 2025 20:13:46 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20Base64=20Pre-processor=20=E6=A3=80?=
 =?UTF-8?q?=E6=B5=8B=E8=A7=A3=E7=A0=81=E6=98=AF=E5=90=A6=E6=AD=A3=E5=B8=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend/package.json                                |  2 +-
 backend/src/core/proxy-utils/preprocessors/index.js | 12 ++++++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/backend/package.json b/backend/package.json
index e470960d4..867eea7fe 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.16.4",
+  "version": "2.16.5",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {
diff --git a/backend/src/core/proxy-utils/preprocessors/index.js b/backend/src/core/proxy-utils/preprocessors/index.js
index 6067b1e76..5ad08992d 100644
--- a/backend/src/core/proxy-utils/preprocessors/index.js
+++ b/backend/src/core/proxy-utils/preprocessors/index.js
@@ -1,5 +1,6 @@
 import { safeLoad } from '@/utils/yaml';
 import { Base64 } from 'js-base64';
+import $ from '@/core/app';
 
 function HTML() {
     const name = 'HTML';
@@ -35,8 +36,15 @@ function Base64Encoded() {
         );
     };
     const parse = function (raw) {
-        raw = Base64.decode(raw);
-        return raw;
+        const decoded = Base64.decode(raw);
+        if (!/^\w+:\/\/\w+/m.test(decoded)) {
+            $.error(
+                `Base64 Pre-processor error: decoded line does not start with protocol`,
+            );
+            return raw;
+        }
+
+        return decoded;
     };
     return { name, test, parse };
 }