From dfe56d3aa260c17f9b58d992131bd0be2d477bc1 Mon Sep 17 00:00:00 2001
From: Ali BARIN <ali.barin53@gmail.com>
Date: Mon, 13 May 2024 09:14:06 +0000
Subject: [PATCH] feat: add no_proxy support in http(s) agents

---
 .../backend/src/helpers/axios-with-proxy.js   | 23 +++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/packages/backend/src/helpers/axios-with-proxy.js b/packages/backend/src/helpers/axios-with-proxy.js
index e355573f..0dbad80a 100644
--- a/packages/backend/src/helpers/axios-with-proxy.js
+++ b/packages/backend/src/helpers/axios-with-proxy.js
@@ -6,14 +6,16 @@ const config = axios.defaults;
 const httpProxyUrl = process.env.http_proxy;
 const httpsProxyUrl = process.env.https_proxy;
 const supportsProxy = httpProxyUrl || httpsProxyUrl;
+const noProxyEnv = process.env.no_proxy;
+const noProxyHosts = noProxyEnv ? noProxyEnv.split(',').map(host => host.trim()) : [];
 
 if (supportsProxy) {
   if (httpProxyUrl) {
-    config.httpAgent = new HttpProxyAgent(process.env.http_proxy);
+    config.httpAgent = new HttpProxyAgent(httpProxyUrl);
   }
 
   if (httpsProxyUrl) {
-    config.httpsAgent = new HttpsProxyAgent(process.env.https_proxy);
+    config.httpsAgent = new HttpsProxyAgent(httpsProxyUrl);
   }
 
   config.proxy = false;
@@ -21,4 +23,21 @@ if (supportsProxy) {
 
 const axiosWithProxyInstance = axios.create(config);
 
+function shouldSkipProxy(hostname) {
+  return noProxyHosts.some(noProxyHost => {
+    return hostname.endsWith(noProxyHost) || hostname === noProxyHost;
+  });
+};
+
+axiosWithProxyInstance.interceptors.request.use(function skipProxyIfInNoProxy(requestConfig) {
+  const hostname = new URL(requestConfig.url).hostname;
+
+  if (supportsProxy && shouldSkipProxy(hostname)) {
+    requestConfig.httpAgent = undefined;
+    requestConfig.httpsAgent = undefined;
+  }
+
+  return requestConfig;
+});
+
 export default axiosWithProxyInstance;