I'm running an https magento site on a nginx server. I'd like to serve my static content from a cdn (Amazon Cloudfront).

I can do this easily by changing the media/css/js urls from

www.mysite.com/xxx to cdn.mysite.com/xxx

however older browsers & operating systems (XP for example) don't support the SNI that makes this possible.

So, my question is:

How can I set my media/css/js base urls to be (www.mysite.com/xxx) when I detect that a user is running XP (for example), but leave them as cdn.mysite.com/xxx by default

I'd prefer not to have to set up multiple stores, just to be able to change these variables without the user knowing anything about it.

2 Answers 2


I don't think there is going to be a nice clean solution here without using multiple stores to be honest but an option, not a great option is to rewrite Mage_Core_Model_Store and alter what is returned by the getBaseUrl() method according to browser?

  • Thanks Jonathan, do you think the 'clean' way to solve this would be to use multiple stores?
    – collend
    Commented Oct 17, 2014 at 8:40
  • I just don't like to rewrite such a fundamental class as Mage_Core_Model_Store so for me, if it can be achieved by not doing this then that is going to be the better solution. Commented Oct 17, 2014 at 9:51

We implemented a server side change of skin, template & layout using controller_action_predispatch event:

$urlModel = Mage::getModel('core/url');
/* @var $urlModel Mage_Core_Model_Url */
$store = Mage::app()->getStore();
/* @var $store Mage_Core_Model_Store */
$code  = $store->getCode();
if (1 == 1) {
    $config = Mage::getConfig();
    /* @var $config Mage_Core_Model_Config */
    $config->setNode('stores/'.$code.'/design/theme/template', 'iphonetheme', true);
    $config->setNode('stores/'.$code.'/design/theme/skin', 'iphonetheme', true);
    $config->setNode('stores/'.$code.'/design/theme/layout', 'iphonetheme', true);

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