feat: Node.js 环境支持使用环境变量 SUB_STORE_MAX_HEADER_SIZE 设置请求的 header 大小限制

Author: xream

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.20.38",
+  "version": "2.20.39",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and Shadowrocket.",
   "main": "src/main.js",
   "scripts": {

backend/src/vendor/open-api.js

@@ -479,6 +479,9 @@ export function HTTP(defaultOptions = { baseURL: '' }) {
                         },
                         bodyTimeout: opts.timeout,
                         headersTimeout: opts.timeout,
+                        maxHeaderSize:
+                            eval('process.env.SUB_STORE_MAX_HEADER_SIZE') ||
+                            32 * 1024,
                     };
                     const tlsOptions = {
                         rejectUnauthorized: