public function setNeverExpireBrowserCacheHeader(Mage_Core_Controller_Request_Http $httpRequest, Mage_Core_Controller_Response_Http $response)
{
if (!Mage::app()->useCache('config')) {
return $this;
}
if (!$httpRequest->has(self::FUZE_VALUE_CACHE_KEY)) {
Mage::log("MegaMenu cache problem: You cannot set never expire browser cache, because this http request has not been secured by the fuze url param.");
return $this;
}
$expires = gmdate('D, d M Y H:i:s \\G\\M\\T', time() + 3600 * self::HOURS_IN_BROWSER_CACHE);
$maxAge = self::HOURS_IN_BROWSER_CACHE * 3600;
$response->setHeader('Pragma', 'public', true);
$response->setHeader('Expires', $expires, true);
$response->setHeader('Cache-Control', "public, max-age={$maxAge}", true);
return $this;
}
/**
* Cache a url so that when the associated tags are cleared the url can be added to a list of urls to be
* invalidated by an external process.
*
* Set the Cache-Control header so the proxy will cache the response.
*
* @param Mage_Core_Controller_Response_Http $response
* @param $lifetime
*/
public function httpResponseSendBefore(Mage_Core_Controller_Response_Http $response, $lifetime)
{
// Cache the url with all of the related tags (prefixed)
$cacheKey = $this->getCacheKey();
if ($lastModified = Mage::app()->getCacheInstance()->getFrontend()->test($cacheKey)) {
// TODO - touch cache record?
} else {
$url = $this->getBaseUrl() . Mage::app()->getRequest()->getRequestUri();
$tags = $this->_getCacheTags($this->helper()->getTags());
$tags[] = self::CACHE_TAG;
Mage::app()->saveCache($url, self::PREFIX_KEY . $cacheKey, $tags, $lifetime);
}
// Set a header so the page is cached
$cacheControl = sprintf(Mage::getStoreConfig('system/diehard/cachecontrol'), $lifetime);
$response->setHeader('Cache-Control', $cacheControl, true);
}
/**
* When caching a page simply generate and cache a random value as the ETag
*
* @param Mage_Core_Controller_Response_Http $response
* @param $lifetime
*/
public function httpResponseSendBefore(Mage_Core_Controller_Response_Http $response, $lifetime)
{
$useEtags = Mage::getStoreConfigFlag('system/diehard/use_etags');
$cacheKey = $this->getCacheKey();
// Use existing cache data if it exists in case there are multiple upstream proxies
// If a record exists then any content generated at the time the record was is assumed to not be stale
if (!($cacheData = Mage::app()->loadCache($cacheKey))) {
$fullActionName = $this->helper()->getFullActionName();
if ($useEtags) {
$cacheData = $fullActionName . ':' . sha1(microtime() . mt_rand());
} else {
$cacheData = $fullActionName . ':' . $this->_rfc1123Date();
}
$tags = $this->helper()->getTags();
$tags[] = Cm_Diehard_Helper_Data::CACHE_TAG;
Mage::app()->saveCache($cacheData, $cacheKey, $tags, $lifetime);
}
list($fullActionName, $cacheData) = explode(':', $cacheData, 2);
// Set headers so the page is cached with the ETag/Last-Modified value for invalidation
session_cache_limiter('');
$cacheControl = sprintf(Mage::getStoreConfig('system/diehard/cachecontrol'), $lifetime);
$response->setHeader('Cache-Control', $cacheControl, true);
$response->setHeader('Expires', $this->_rfc1123Date(time() + $lifetime), true);
if ($useEtags) {
$response->setHeader('ETag', 'W/"' . $cacheData . '"', true);
} else {
$response->setHeader('Last-Modified', $cacheData, true);
}
}
/**
* Apply custom Cache-Control: max-age from db
*
* @param Mage_Core_Controller_Request_Http $request
* @param Mage_Core_Controller_Response_Http $response
*/
protected function _applyCustomMaxAgeFromDb(Mage_Core_Controller_Request_Http $request, Mage_Core_Controller_Response_Http $response)
{
if (!$this->messagesToShow) {
// apply custom max-age from db
$urls = array($request->getRequestString());
$alias = $request->getAlias(Mage_Core_Model_Url_Rewrite::REWRITE_REQUEST_PATH_ALIAS);
if ($alias) {
$urls[] = $alias;
}
/** @var $customUrlModel Aoe_Static_Model_CustomUrl */
$customUrlModel = Mage::getModel('aoestatic/customUrl');
$customUrlModel->setStoreId(Mage::app()->getStore()->getId());
$customUrlModel->loadByRequestPath($urls);
if ($customUrlModel->getId() && $customUrlModel->getMaxAge()) {
$response->setHeader('Cache-Control', 'max-age=' . (int) $customUrlModel->getMaxAge(), true);
$response->setHeader('X-Magento-Lifetime', (int) $customUrlModel->getMaxAge(), true);
$response->setHeader('aoestatic', 'cache', true);
}
}
}
