From ff4be7ac38aafb03dd0fcb2f6171c8912b00712d Mon Sep 17 00:00:00 2001
From: xream <xream@icloud.com>
Date: Sun, 29 Dec 2024 21:33:15 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E8=AE=A2=E9=98=85=E6=94=AF=E6=8C=81?=
 =?UTF-8?q?=E5=BC=80=E5=85=B3=20`passThroughUA`=20=20=E9=80=8F=E4=BC=A0?=
 =?UTF-8?q?=E8=AF=B7=E6=B1=82=E7=9A=84=20User-Agent?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend/package.json            |  2 +-
 backend/src/restful/download.js | 21 ++++++++++++++++-----
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/backend/package.json b/backend/package.json
index c9ccbc6f9..8fb8ee729 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.15.8",
+  "version": "2.15.9",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {
diff --git a/backend/src/restful/download.js b/backend/src/restful/download.js
index 4c9fc84c7..a57dd8ec5 100644
--- a/backend/src/restful/download.js
+++ b/backend/src/restful/download.js
@@ -16,13 +16,19 @@ export default function register($app) {
     $app.get('/share/col/:name', downloadCollection);
     $app.get('/share/sub/:name', downloadSubscription);
 
+    $app.get('/download/collection/:name/:target', async (req, res) => {
+        req.query.target = req.params.target;
+        $.info(`使用路由指定目标: ${req.params.target}`);
+        await downloadCollection(req, res);
+    });
     $app.get('/download/collection/:name', downloadCollection);
-    $app.get('/download/:name', downloadSubscription);
     $app.get('/download/:name/:target', async (req, res) => {
         req.query.target = req.params.target;
         $.info(`使用路由指定目标: ${req.params.target}`);
         await downloadSubscription(req, res);
     });
+    $app.get('/download/:name', downloadSubscription);
+
     $app.get(
         '/download/collection/:name/api/v1/server/details',
         async (req, res) => {
@@ -64,11 +70,9 @@ async function downloadSubscription(req, res) {
 
     const platform =
         req.query.target || getPlatformFromHeaders(req.headers) || 'JSON';
-
+    const reqUA = req.headers['user-agent'] || req.headers['User-Agent'];
     $.info(
-        `正在下载订阅：${name}\n请求 User-Agent: ${
-            req.headers['user-agent'] || req.headers['User-Agent']
-        }\n请求 target: ${req.query.target}\n实际输出: ${platform}`,
+        `正在下载订阅：${name}\n请求 User-Agent: ${reqUA}\n请求 target: ${req.query.target}\n实际输出: ${platform}`,
     );
     let {
         url,
@@ -150,6 +154,13 @@ async function downloadSubscription(req, res) {
     const sub = findByName(allSubs, name);
     if (sub) {
         try {
+            const passThroughUA = sub.passThroughUA;
+            if (passThroughUA) {
+                $.info(
+                    `订阅开启了透传 User-Agent, 使用请求的 User-Agent: ${reqUA}`,
+                );
+                ua = reqUA;
+            }
             let output = await produceArtifact({
                 type: 'subscription',
                 name,