add fideloper/proxy to support reverse proxies and load balancers

Author: schrej

.env.example

@@ -7,6 +7,7 @@ APP_CLEAR_TASKLOG=720
 APP_DELETE_MINUTES=10
 CONSOLE_PUSH_FREQ=250
 CONSOLE_PUSH_COUNT=10
+TRUSTED_PROXIES=null
 
 DB_HOST=localhost
 DB_PORT=3306

app/Http/Kernel.php

@@ -17,7 +17,9 @@ class Kernel extends HttpKernel
         \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
         \Illuminate\Session\Middleware\StartSession::class,
         \Illuminate\View\Middleware\ShareErrorsFromSession::class,
+        
         \Pterodactyl\Http\Middleware\LanguageMiddleware::class,
+        \Fideloper\Proxy\TrustProxies::class,
     ];
 
     /**

composer.json

@@ -26,7 +26,8 @@
         "mtdowling/cron-expression": "1.1.0",
         "dingo/api": "1.0.0-beta6",
         "aws/aws-sdk-php": "3.19.20",
-        "predis/predis": "1.1.1"
+        "predis/predis": "1.1.1",
+        "fideloper/proxy": "3.2.0"
     },
     "require-dev": {
         "fzaninotto/faker": "~1.4",

config/app.php

@@ -158,6 +158,7 @@
         igaster\laravelTheme\themeServiceProvider::class,
         Prologue\Alerts\AlertsServiceProvider::class,
         Krucas\Settings\Providers\SettingsServiceProvider::class,
+        Fideloper\Proxy\TrustedProxyServiceProvider::class,
 
     ],
 

config/trustedproxy.php

@@ -0,0 +1,59 @@
+<?php
+
+return [
+
+    /*
+     * Set trusted proxy IP addresses.
+     *
+     * Both IPv4 and IPv6 addresses are
+     * supported, along with CIDR notation.
+     *
+     * The "*" character is syntactic sugar
+     * within TrustedProxy to trust any proxy
+     * that connects directly to your server,
+     * a requirement when you cannot know the address
+     * of your proxy (e.g. if using Rackspace balancers).
+     *
+     * The "**" character is syntactic sugar within
+     * TrustedProxy to trust not just any proxy that
+     * connects directly to your server, but also
+     * proxies that connect to those proxies, and all
+     * the way back until you reach the original source
+     * IP. It will mean that $request->getClientIp()
+     * always gets the originating client IP, no matter
+     * how many proxies that client's request has
+     * subsequently passed through.
+     */
+    'proxies' => explode(',', env('TRUSTED_PROXIES', null)),
+
+    /*
+     * Or, to trust all proxies that connect
+     * directly to your server, uncomment this:
+     */
+     # 'proxies' => '*',
+
+    /*
+     * Or, to trust ALL proxies, including those that
+     * are in a chain of fowarding, uncomment this:
+    */
+    # 'proxies' => '**',
+
+    /*
+     * Default Header Names
+     *
+     * Change these if the proxy does
+     * not send the default header names.
+     *
+     * Note that headers such as X-Forwarded-For
+     * are transformed to HTTP_X_FORWARDED_FOR format.
+     *
+     * The following are Symfony defaults, found in
+     * \Symfony\Component\HttpFoundation\Request::$trustedHeaders
+     */
+    'headers' => [
+        \Illuminate\Http\Request::HEADER_CLIENT_IP    => 'X_FORWARDED_FOR',
+        \Illuminate\Http\Request::HEADER_CLIENT_HOST  => 'X_FORWARDED_HOST',
+        \Illuminate\Http\Request::HEADER_CLIENT_PROTO => 'X_FORWARDED_PROTO',
+        \Illuminate\Http\Request::HEADER_CLIENT_PORT  => 'X_FORWARDED_PORT',
+    ]
+];