feat: 使用远程链接的响应内容作为订阅流量信息时, 先简单用状态码排除一下错误响应防止缓存

Author: xream

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.20.29",
+  "version": "2.20.30",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and Shadowrocket.",
   "main": "src/main.js",
   "scripts": {

backend/src/utils/flow.js

@@ -80,7 +80,7 @@ export async function getFlowHeaders(
                     userAgent || ''
                 }, Insecure: ${!!insecure}, Proxy: ${proxy}`,
             );
-            const { body } = await http.get({
+            const { body, statusCode } = await http.get({
                 url: flowUrl,
                 headers: {
                     'User-Agent': userAgent,
@@ -92,6 +92,9 @@ export async function getFlowHeaders(
                 ...(proxy ? getPolicyDescriptor(proxy) : {}),
                 ...(insecure ? insecure : {}),
             });
+            if (statusCode < 200 || statusCode >= 400) {
+                throw new Error(`statusCode: ${statusCode}`);
+            }
             flowInfo = body;
         } else {
             try {