From 56d5af1336d863412f715d462696b006457ee324 Mon Sep 17 00:00:00 2001
From: Dan Brown <ssddanbrown@googlemail.com>
Date: Thu, 7 Dec 2017 19:46:25 +0000
Subject: [PATCH] Made it possible to configure proxies via env

In reference to #146
---
 app/Http/Middleware/TrustProxies.php | 18 ++++++++++++++++++
 config/app.php                       |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/app/Http/Middleware/TrustProxies.php b/app/Http/Middleware/TrustProxies.php
index 69fcbe943..c3102571d 100644
--- a/app/Http/Middleware/TrustProxies.php
+++ b/app/Http/Middleware/TrustProxies.php
@@ -2,6 +2,7 @@
 
 namespace BookStack\Http\Middleware;
 
+use Closure;
 use Illuminate\Http\Request;
 use Fideloper\Proxy\TrustProxies as Middleware;
 
@@ -26,4 +27,21 @@ class TrustProxies extends Middleware
         Request::HEADER_X_FORWARDED_PORT => 'X_FORWARDED_PORT',
         Request::HEADER_X_FORWARDED_PROTO => 'X_FORWARDED_PROTO',
     ];
+
+    /**
+     * Handle the request, Set the correct user-configured proxy information.
+     * @param Request $request
+     * @param Closure $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        $setProxies = config('app.proxies');
+        if ($setProxies !== '**' && $setProxies !== '*' && $setProxies !== '') {
+            $setProxies = explode(',', $setProxies);
+        }
+        $this->proxies = $setProxies;
+
+        return parent::handle($request, $next);
+    }
 }
diff --git a/config/app.php b/config/app.php
index d8def5c95..3be50b6c5 100755
--- a/config/app.php
+++ b/config/app.php
@@ -234,4 +234,6 @@ return [
 
     ],
 
+    'proxies' => env('APP_PROXIES', ''),
+
 ];