From ed96432b7988de987b3dfaf9d3e2b4cba194c4df Mon Sep 17 00:00:00 2001
From: MadDogOwner <dalizxr@qq.com>
Date: Tue, 23 Jul 2024 18:26:45 +0800
Subject: [PATCH] installer: improve region detection reliability using
 multiple APIs (#394)

---
 script/install.ps1 | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/script/install.ps1 b/script/install.ps1
index 5a9ed99..e90b7d7 100644
--- a/script/install.ps1
+++ b/script/install.ps1
@@ -49,8 +49,20 @@ if ([string]::IsNullOrWhiteSpace($agenttag)) {
     }
 }
 #Region判断
-$ipapi= Invoke-RestMethod  -Uri "https://api.myip.com/" -UserAgent "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.163 Safari/535.1"
-$region=$ipapi.cc
+$ipapi = ""
+$region = "Unknown"
+foreach ($url in ("https://dash.cloudflare.com/cdn-cgi/trace","https://cf-ns.com/cdn-cgi/trace","https://1.0.0.1/cdn-cgi/trace")) {
+    try {
+        $ipapi = Invoke-RestMethod -Uri $url -TimeoutSec 5 -UseBasicParsing
+        if ($ipapi -match "loc=(\w+)" ) {
+            $region = $Matches[1]
+            break
+        }
+    }
+    catch {
+        Write-Host "Error occurred while querying $url : $_"
+    }
+}
 echo $ipapi
 if($region -ne "CN"){
 $download = "https://github.com/$agentrepo/releases/download/$agenttag/$file"