public function minifyHtml(BaseEvent $event)
{
$search = array('/ {2,}/', '/<!--.*?-->|\\t|(?:\\r?\\n[ \\t]*)+/s', '/\\>[^\\S ]+/s', '/[^\\S ]+\\</s', '/(\\s)+/s');
// shorten multiple whitespace sequences
$replace = array(' ', ' ', '>', '<', '\\1');
$event->getPoc()->setOutput(preg_replace($search, $replace, $event->getPoc()->getOutput()));
}
public function compress(BaseEvent $event)
{
$this->outputHandler->header('Content-Encoding: gzip');
if ($this->compressionType == self::COMPRESSION_GZIP) {
$event->getPoc()->setOutput(\gzencode($event->getPoc()->getOutput(), 9, FORCE_GZIP));
} elseif ($this->compressionType == self::COMPRESSION_DEFLATE) {
$event->getPoc()->setOutput(\gzdeflate($event->getPoc()->getOutput()));
}
}
public function isOutputBlacklisted(BaseEvent $event)
{
if ($this->outputBlacklist) {
foreach ($this->outputBlacklist as $condititon) {
$result = preg_match($condititon, $event->getPoc()->getOutput());
if ($result) {
$event->getPoc()->setCanICacheThisGeneratedContent(false);
return;
}
}
}
}
public function checkEtag(BaseEvent $event)
{
$requestHeaders = $event->getPoc()->getEventDispatcher()->getPlugin(HttpCapture::PLUGIN_NAME)->getOutputHandler()->getallheaders();
if (isset($requestHeaders['If-None-Match'])) {
$etag = $requestHeaders['If-None-Match'];
if ($etag) {
$storedEtag = $event->getPoc()->getCache()->fetch($event->getPoc()->getHasher()->getKey() . self::ETAG_POSTFIX);
if ($storedEtag == $etag) {
$event->getPoc()->getPocDispatcher()->dispatch(EtagEvents::ETAG_FOUND, new BaseEvent($event->getPoc()));
$outputHandler = $event->getPoc()->getEventDispatcher()->getPlugin(HttpCapture::PLUGIN_NAME)->getOutputHandler();
$outputHandler->header('HTTP/1.0 304 Not Modified');
$outputHandler->header('Etag: ' . $etag);
//$event->getPoc()->getOutputHandler()->StopBuffer();
} else {
$event->getPoc()->getPocDispatcher()->dispatch(EtagEvents::ETAG_NOT_FOUND, new BaseEvent($event->getPoc()));
}
}
}
}
public function printSize(BaseEvent $event)
{
$LengthHeader = $event->getPoc()->getCache()->fetch($event->getPoc()->getHasher()->getKey() . self::LENGTH_POSTFIX);
$event->getPoc()->getEventDispatcher()->getPlugin(HttpCapture::PLUGIN_NAME)->getOutputHandler()->header('Content-Length: ' . $LengthHeader);
}
private function logTime(BaseEvent $event, $eventName, $type)
{
$this->logOutputMatrix($eventName, \microtime(true) - $event->getPoc()->getStartTime() . '|' . $eventName, $type);
}