<?php

namespace ProcessMaker\Http\Middleware;

use Closure;

class BrowserCache

{

/**

* Handle an incoming request.

*

* @param \Illuminate\Http\Request $request

* @param \Closure $next

* @return mixed

*/

public function handle($request, Closure $next)

{

if (!env('BROWSER_CACHE', true)) {

$response = $next($request);

// from vendor/laravel/framework/src/Illuminate/Http/Middleware/SetCacheHeaders.php

if (!$request->isMethodCacheable() || !$response->getContent()) {

return $response;

}

$response->header('pragma', 'no-cache');

$response->header('Cache-Control', 'no-store');

return $response;

} else {

return $next($request);

}

}

}