From 85fd3d000c30b4aceed55efda2b7ad5e85a5b5a2 Mon Sep 17 00:00:00 2001
From: DesperadoJ <38433236+DesperadoJ@users.noreply.github.com>
Date: Sun, 12 Jul 2020 11:19:38 +0800
Subject: [PATCH 1/2] Enable UDP in Clash

---
 app/Utils/Clash.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/Utils/Clash.php b/app/Utils/Clash.php
index 3c699d08..00c5f2a3 100644
--- a/app/Utils/Clash.php
+++ b/app/Utils/Clash.php
@@ -15,6 +15,7 @@ class Clash
         $array['uuid'] = $uuid;
         $array['alterId'] = 2;
         $array['cipher'] = 'auto';
+        $array['udp'] = true;
         if ($server->tls) {
             $tlsSettings = json_decode($server->tlsSettings);
             $array['tls'] = true;
@@ -41,6 +42,7 @@ class Clash
         $array['server'] = $server->host;
         $array['port'] = $server->port;
         $array['password'] = $password;
+        $array['udp'] = true;
         $array['sni'] = $server->server_name;
         if ($server->allow_insecure) {
             $array['skip-cert-verify'] = true;

From 84d852f396db52702310e76112d25c7ba3a4bee2 Mon Sep 17 00:00:00 2001
From: phlinhng <phlinhng@outlook.com>
Date: Mon, 20 Jul 2020 17:22:50 +0800
Subject: [PATCH 2/2] Shadowrocket specified url generator

shadowrocket ClientController

enable tfo on vmess for shadowrocket

enable tfo on trojan for shadowrocket

fix typo
---
 .../Controllers/Client/ClientController.php   | 18 ++++++++
 app/Utils/Shadowrocket.php                    | 43 +++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 app/Utils/Shadowrocket.php

diff --git a/app/Http/Controllers/Client/ClientController.php b/app/Http/Controllers/Client/ClientController.php
index 2d19ae93..e8eb92d5 100644
--- a/app/Http/Controllers/Client/ClientController.php
+++ b/app/Http/Controllers/Client/ClientController.php
@@ -6,6 +6,7 @@ use App\Http\Controllers\Controller;
 use App\Services\ServerService;
 use App\Utils\Clash;
 use App\Utils\QuantumultX;
+use App\Utils\Shadowrocket;
 use App\Utils\Surge;
 use Illuminate\Http\Request;
 use App\Models\Server;
@@ -41,6 +42,9 @@ class ClientController extends Controller
                 if (strpos($_SERVER['HTTP_USER_AGENT'], 'surge') !== false) {
                     die($this->surge($user, $servers['vmess'], $servers['trojan']));
                 }
+                if (strpos($_SERVER['HTTP_USER_AGENT'], 'shadowrocket') !== false) {
+                    die($this->shadowrocket($user, $servers['vmess'], $servers['trojan']));
+                }
             }
             die($this->origin($user, $servers['vmess'], $servers['trojan']));
         }
@@ -66,6 +70,20 @@ class ClientController extends Controller
         return base64_encode($uri);
     }
 
+    private function shadowrocket($user, $vmess = [], $trojan = [])
+    {
+        $uri = '';
+        //TODO: display remaining traffic and expire date
+        //$uri .= 'STATUS=' . 'Traffic:' . 'Expiry:' . '\r\n';
+        foreach ($vmess as $item) {
+            $uri .= Shadowrocket::buildVmess($user->uuid, $item);
+        }
+        foreach ($trojan as $item) {
+            $uri .= Shadowrocket::buildTrojan($user->uuid, $item);
+        }
+        return base64_encode($uri);
+    }
+
     private function quantumultX($user, $vmess = [], $trojan = [])
     {
         $uri = '';
diff --git a/app/Utils/Shadowrocket.php b/app/Utils/Shadowrocket.php
new file mode 100644
index 00000000..b52315da
--- /dev/null
+++ b/app/Utils/Shadowrocket.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Utils;
+
+
+class Shadowrocket
+{
+    public static function buildVmess($uuid, $server)
+    {
+        $userinfo = base64_encode('auto:' . $uuid . '@' . $server->host . ':' . $server->port);
+        $config = [
+            'remark' => $server->name
+        ];
+        if ($server->tls) {
+            $tlsSettings = json_decode($server->tlsSettings);
+            $config['tls'] = 1;
+            if (isset($tlsSettings->serverName)) $config['peer'] = $tlsSettings->serverName;
+            if (isset($tlsSettings->allowInsecure)) $config['allowInsecure'] = 1;
+        }
+        if ($server->network === 'ws') {
+            $wsSettings = json_decode($server->networkSettings);
+            $config['obfs'] = "websocket";
+            if (isset($wsSettings->path)) $config['path'] = $wsSettings->path;
+            if (isset($wsSettings->headers->Host)) $config['obfsParam'] = $wsSettings->headers->Host;
+        }
+        $query = http_build_query($config);
+        $uri = "vmess://{$userinfo}?{$query}&tfo=1";
+        $uri .= "\r\n";
+        return $uri;
+    }
+
+    public static function buildTrojan($password, $server)
+    {
+        $server->name = rawurlencode($server->name);
+        $query = http_build_query([
+            'allowInsecure' => $server->allow_insecure,
+            'peer' => $server->server_name
+        ]);
+        $uri = "trojan://{$password}@{$server->host}:{$server->port}?{$query}&tfo=1#{$server->name}";
+        $uri .= "\r\n";
+        return $uri;
+    }
+}