feat: 默认查询流量信息的 User-Agent 从 Quantumult%20X/1.0.30 (iPhone14,2; iOS 15.6) 改为 clash; 流量信息缓存逻辑调整

Author: xream

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.14.419",
+  "version": "2.14.420",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {

backend/src/utils/download.js

@@ -151,7 +151,7 @@ export default async function download(
     // try to find in app cache
     const cached = resourceCache.get(id);
     if (!noCache && !$arguments?.noCache && cached) {
-        $.info(`使用缓存: ${url}`);
+        $.info(`使用缓存: ${url}, ${userAgent}`);
         result = cached;
         if (customCacheKey) {
             $.info(`URL ${url}\n写入自定义缓存 ${$arguments?.cacheKey}`);
@@ -179,7 +179,7 @@ export default async function download(
             if (headers) {
                 const flowInfo = getFlowField(headers);
                 if (flowInfo) {
-                    headersResourceCache.set(url, flowInfo);
+                    headersResourceCache.set(id, flowInfo);
                 }
             }
             if (body.replace(/\s/g, '').length === 0)

backend/src/utils/flow.js

@@ -1,5 +1,6 @@
 import { SETTINGS_KEY } from '@/constants';
 import { HTTP, ENV } from '@/vendor/open-api';
+import { hex_md5 } from '@/vendor/md5';
 import { getPolicyDescriptor } from '@/utils';
 import $ from '@/core/app';
 import headersResourceCache from '@/utils/headers-resource-cache';
@@ -52,29 +53,26 @@ export async function getFlowHeaders(
         return;
     }
     const { isStash, isLoon, isShadowRocket, isQX } = ENV();
-    const cached = headersResourceCache.get(url);
+    const insecure = $arguments?.insecure
+        ? $.env.isNode
+            ? { strictSSL: false }
+            : { insecure: true }
+        : undefined;
+    const { defaultProxy, defaultFlowUserAgent, defaultTimeout } =
+        $.read(SETTINGS_KEY);
+    let proxy = customProxy || defaultProxy;
+    if ($.env.isNode) {
+        proxy = proxy || eval('process.env.SUB_STORE_BACKEND_DEFAULT_PROXY');
+    }
+    const userAgent = ua || defaultFlowUserAgent || 'clash';
+    const requestTimeout = timeout || defaultTimeout;
+    const id = hex_md5(userAgent + url);
+    const cached = headersResourceCache.get(id);
     let flowInfo;
     if (!$arguments?.noCache && cached) {
-        // $.info(`使用缓存的流量信息: ${url}`);
+        $.info(`使用缓存的流量信息: ${url}, ${userAgent}`);
         flowInfo = cached;
     } else {
-        const insecure = $arguments?.insecure
-            ? $.env.isNode
-                ? { strictSSL: false }
-                : { insecure: true }
-            : undefined;
-        const { defaultProxy, defaultFlowUserAgent, defaultTimeout } =
-            $.read(SETTINGS_KEY);
-        let proxy = customProxy || defaultProxy;
-        if ($.env.isNode) {
-            proxy =
-                proxy || eval('process.env.SUB_STORE_BACKEND_DEFAULT_PROXY');
-        }
-        const userAgent =
-            ua ||
-            defaultFlowUserAgent ||
-            'Quantumult%20X/1.0.30 (iPhone14,2; iOS 15.6)';
-        const requestTimeout = timeout || defaultTimeout;
         const http = HTTP();
         if (flowUrl) {
             $.info(
@@ -170,7 +168,7 @@ export async function getFlowHeaders(
             }
         }
         if (flowInfo) {
-            headersResourceCache.set(url, flowInfo);
+            headersResourceCache.set(id, flowInfo);
         }
     }