Add possibility to disable maintenance middleware for specific URIs v…

…ia array

src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php

@@ -16,6 +16,13 @@ class CheckForMaintenanceMode
      */
     protected $app;
 
+    /**
+     * The URIs that should be accessible while maintenance mode is enabled.
+     *
+     * @var array
+     */
+    protected $except = [];
+
     /**
      * Create a new middleware instance.
      *
@@ -45,9 +52,35 @@ public function handle($request, Closure $next)
                 return $next($request);
             }
 
+            if ($this->inExceptArray($request)) {
+                return $next($request);
+            }
+
             throw new MaintenanceModeException($data['time'], $data['retry'], $data['message']);
         }
 
         return $next($request);
     }
+
+    /**
+     * Determine if the request has a URI that should be accessible in maintenance mode.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return bool
+     */
+    protected function inExceptArray($request)
+    {
+        foreach ($this->except as $except) {
+            if ($except !== '/') {
+                $except = trim($except, '/');
+            }
+
+            if ($request->fullUrlIs($except) || $request->is($except)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
 }