From 743483fdfb8bb70db67867888090ea89ac43bcf0 Mon Sep 17 00:00:00 2001
From: 8Mi_Yile <admin@8mi.tech>
Date: Thu, 11 Jan 2024 11:30:03 +0800
Subject: [PATCH] add: useragent - if domain suffix

---
 .../com/tungsten/fclcore/util/io/NetworkUtils.java   | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/FCLCore/src/main/java/com/tungsten/fclcore/util/io/NetworkUtils.java b/FCLCore/src/main/java/com/tungsten/fclcore/util/io/NetworkUtils.java
index ca45854b..cf4b4802 100644
--- a/FCLCore/src/main/java/com/tungsten/fclcore/util/io/NetworkUtils.java
+++ b/FCLCore/src/main/java/com/tungsten/fclcore/util/io/NetworkUtils.java
@@ -84,8 +84,20 @@ public final class NetworkUtils {
         return result;
     }
 
+    private static boolean endsWithDomainSuffix(String host, String domainSuffix) {
+        return host.endsWith(domainSuffix.toLowerCase());
+    }
+    
     public static URLConnection createConnection(URL url) throws IOException {
         URLConnection connection = url.openConnection();
+        String host = url.getHost().toLowerCase();
+        if (endsWithDomainSuffix(host, "d.pcs.baidu.com") || endsWithDomainSuffix(host, "baidupcs.com")) {
+            // Docs: https://alist.nn.ci/zh/guide/drivers/baidu.html
+            connection.setRequestProperty("User-Agent", "pan.baidu.com");
+        } else {
+            // Default
+            connection.setRequestProperty("User-Agent", "FCL/1.1.3");
+        }
         connection.setUseCaches(false);
         connection.setConnectTimeout(5000);
         connection.setReadTimeout(5000);