在 Symfony2 中重定向和阻止缓存 [英] Redirecting and preventing cache in Symfony2

问题描述

我正在这样做:

domain.com/route-name/?do-something=1

..它设置了一个 cookie，然后使用 302 重定向重定向到这个:

..which sets a cookie and then redirects to this using a 302 redirect:

domain.com/route-name/

它允许在不考虑页面查看的情况下执行操作(cookie 为用户存储设置).

It allows an action to take place regardless of the page viewing (cookie stores a setting for the user).

我使用默认的 Symfony2 反向代理缓存，一切正常，但我需要阻止上述两个请求缓存.

I am using the default Symfony2 reverse-proxy cache and all is well, but I need to prevent both the above requests from caching.

我正在使用它来执行重定向:

I am using this to perform the redirect:

// $event being a listener, usually a request listener

$response = new RedirectResponse($url, 302);    
$this->event->setResponse($response);

我尝试过这样的事情，但似乎没有任何效果:

I've tried things like this but nothing seems to work:

$response->setCache(array('max_age' => 0));
header("Cache-Control: no-cache");

那么我如何阻止它缓存这些页面?

So how do I stop it caching those pages?

推荐答案

您必须确保使用 RedirectResponse(如果设置了 GET 参数)以及针对路由的常规 Response 发送以下标头:

You have to make sure you are sending the following headers with the RedirectResponse ( if the GET parameter is set ) AND with your regular Response for the route:

Cache-Control: private, max-age=0, must-revalidate, no-store;

像这样实现你想要的:

$response->setPrivate();
$response->setMaxAge(0);
$response->setSharedMaxAge(0);
$response->headers->addCacheControlDirective('must-revalidate', true);
$response->headers->addCacheControlDirective('no-store', true);

在昏迷的答案中，private 很重要，但没有提及.

private is important and missing in coma's answer.

不同之处在于使用 Cache-Control: private 您不允许代理缓存通过它们的数据.

The difference is that with Cache-Control: private you are not allowing proxies to cache the data that travels through them.

这篇关于在 Symfony2 中重定向和阻止缓存的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！