From e16618142a138e11b267d143fda7897ed25000e7 Mon Sep 17 00:00:00 2001
From: xboard <xboard@xboard.one>
Date: Wed, 13 Dec 2023 00:08:39 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=A2=9E=E5=8A=A0Loon=E8=87=AA?=
 =?UTF-8?q?=E5=8A=A8=E4=B8=8B=E5=8F=91Hysteria2=E8=8A=82=E7=82=B9?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 .../V1/Client/ClientController.php            |  3 ++-
 app/Protocols/Loon.php                        | 24 +++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/app/Http/Controllers/V1/Client/ClientController.php b/app/Http/Controllers/V1/Client/ClientController.php
index 4711c09..7a2c077 100644
--- a/app/Http/Controllers/V1/Client/ClientController.php
+++ b/app/Http/Controllers/V1/Client/ClientController.php
@@ -42,7 +42,8 @@ class ClientController extends Controller
             'Nekoray' => '3.24',
             'verge' => '1.3.8',
             'ClashX Meta' => '1.3.5',
-            'Hiddify' => '0.1.0'
+            'Hiddify' => '0.1.0',
+            'loon' => '637'
         ];
         foreach($minSupportHy2ClinetVersionMap as $client => $minVersion){
             if (stripos($flag, $client) !== false && $this->versionCompare($version, $minVersion)) {
diff --git a/app/Protocols/Loon.php b/app/Protocols/Loon.php
index 5aae24f..20cba66 100644
--- a/app/Protocols/Loon.php
+++ b/app/Protocols/Loon.php
@@ -38,6 +38,9 @@ class Loon
             if ($item['type'] === 'trojan') {
                 $uri .= self::buildTrojan($user['uuid'], $item);
             }
+            if ($item['type'] === 'hysteria') {
+                $uri .= self::buildHysteria($user['uuid'], $item, $user);
+            }
         }
         return response($uri, 200)
                 ->header('Subscription-Userinfo', "upload={$user['u']}; download={$user['d']}; total={$user['transfer_enable']}; expire={$user['expired_at']}");
@@ -132,4 +135,25 @@ class Loon
         $uri .= "\r\n";
         return $uri;
     }
+
+    public static function buildHysteria($password, $server, $user)
+    {
+        if ($server['version'] !== 2){
+            return ;
+        }
+        $config = [
+            "{$server['name']}=Hysteria2",
+            $server['host'],
+            $server['port'],
+            $password,
+            $server['server_name'] ? "tls={$server['server_name']}" : "(null)"
+        ];
+        if ($server['insecure'])  $config[] = "skip-cert-verify=true";
+        $config[] = "download-bandwidth=" . ($user->speed_limit ? min($server['down_mbps'], $user->speed_limit) : $server['down_mbps']);
+        $config[] = "udp=true";
+        $config = array_filter($config);
+        $uri = implode(',', $config);
+        $uri .= "\r\n";
+        return $uri;
+    }
 }