/**
* Get Place Holder Block
*
* @return Mage_Core_Block_Abstract
*/
protected function _getPlaceHolderBlock()
{
$blockName = $this->_placeholder->getAttribute('block');
$block = new $blockName();
$block->setTemplate($this->_placeholder->getAttribute('template'));
$block->setLayout(Mage::app()->getLayout());
$block->setSkipRenderTag(true);
return $block;
}
/**
* Save data to cache storage
*
* @param string $data
* @param string $id
* @param array $tags
*/
protected function _saveCache($data, $id, $tags = array(), $lifetime = null)
{
$tags[] = Enterprise_PageCache_Model_Processor::CACHE_TAG;
if (is_null($lifetime)) {
$lifetime = $this->_placeholder->getAttribute('cache_lifetime') ? $this->_placeholder->getAttribute('cache_lifetime') : false;
}
/**
* Replace all occurrences of session_id with unique marker
*/
Enterprise_PageCache_Helper_Url::replaceSid($data);
Mage::app()->getCache()->save($data, $id, $tags, $lifetime);
return $this;
}
/**
* Retrieve placeholder replacer
*
* @param array $matches Matches by preg_replace_callback
* @return string
*/
protected function _getPlaceholderReplacer($matches)
{
$container = $this->_placeholder->getContainerClass();
/**
* In developer mode blocks will be rendered separately
* This should simplify debugging _renderBlock()
*/
if ($container && !Mage::getIsDeveloperMode()) {
$container = new $container($this->_placeholder);
$blockContent = $matches[1];
$container->saveCache($blockContent);
}
return $this->_placeholder->getReplacer();
}
/**
* Process Containers
*
* @param $content
* @return array
*/
protected function _processContainers(&$content)
{
$placeholders = array();
preg_match_all(Enterprise_PageCache_Model_Container_Placeholder::HTML_NAME_PATTERN, $content, $placeholders, PREG_PATTERN_ORDER);
$placeholders = array_unique($placeholders[1]);
$containers = array();
foreach ($placeholders as $definition) {
$placeholder = new Enterprise_PageCache_Model_Container_Placeholder($definition);
$container = $placeholder->getContainerClass();
if (!$container) {
continue;
}
$container = new $container($placeholder);
$container->setProcessor($this);
if (!$container->applyWithoutApp($content)) {
$containers[] = $container;
} else {
preg_match($placeholder->getPattern(), $content, $matches);
if (array_key_exists(1, $matches)) {
$containers = array_merge($this->_processContainers($matches[1]), $containers);
$content = preg_replace($placeholder->getPattern(), str_replace('$', '\\$', $matches[1]), $content);
}
}
}
return $containers;
}
/**
* Retrieve placeholder replacer
*
* @param array $matches Matches by preg_replace_callback
* @return string
*/
protected function _getPlaceholderReplacer($matches)
{
return $this->_placeholder->getReplacer();
}
/**
* Determine and process all defined containers.
* Direct request to pagecache/request/process action if necessary for additional processing
*
* @param string $content
* @return string|false
*/
protected function _processContent($content)
{
$placeholders = array();
preg_match_all(Enterprise_PageCache_Model_Container_Placeholder::HTML_NAME_PATTERN, $content, $placeholders, PREG_PATTERN_ORDER);
$placeholders = array_unique($placeholders[1]);
$containers = array();
foreach ($placeholders as $definition) {
$placeholder = new Enterprise_PageCache_Model_Container_Placeholder($definition);
$container = $placeholder->getContainerClass();
if (!$container) {
continue;
}
$container = new $container($placeholder);
if (!$container->applyWithoutApp($content)) {
$containers[] = $container;
}
}
$isProcessed = empty($containers);
// renew session cookie
$sessionInfo = Mage::app()->loadCache($this->getSessionInfoCacheId());
if ($sessionInfo) {
$sessionInfo = unserialize($sessionInfo);
foreach ($sessionInfo as $cookieName => $cookieInfo) {
if (isset($_COOKIE[$cookieName]) && isset($cookieInfo['lifetime']) && isset($cookieInfo['path']) && isset($cookieInfo['domain']) && isset($cookieInfo['secure']) && isset($cookieInfo['httponly'])) {
$lifeTime = 0 == $cookieInfo['lifetime'] ? 0 : time() + $cookieInfo['lifetime'];
setcookie($cookieName, $_COOKIE[$cookieName], $lifeTime, $cookieInfo['path'], $cookieInfo['domain'], $cookieInfo['secure'], $cookieInfo['httponly']);
}
}
} else {
$isProcessed = false;
}
/**
* restore session_id in content whether content is completely processed or not
*/
$sidCookieName = $this->getMetadata('sid_cookie_name');
$sidCookieValue = $sidCookieName && isset($_COOKIE[$sidCookieName]) ? $_COOKIE[$sidCookieName] : '';
Enterprise_PageCache_Helper_Url::restoreSid($content, $sidCookieValue);
if ($isProcessed) {
return $content;
} else {
Mage::register('cached_page_content', $content);
Mage::register('cached_page_containers', $containers);
Mage::app()->getRequest()->setModuleName('pagecache')->setControllerName('request')->setActionName('process')->isStraight(true);
// restore original routing info
$routingInfo = array('aliases' => $this->getMetadata('routing_aliases'), 'requested_route' => $this->getMetadata('routing_requested_route'), 'requested_controller' => $this->getMetadata('routing_requested_controller'), 'requested_action' => $this->getMetadata('routing_requested_action'));
Mage::app()->getRequest()->setRoutingInfo($routingInfo);
return false;
}
}