private static function getHttpVars()
{
if (self::$httpVars === null) {
self::$httpVars = array(self::ACCEPT_ENCODING, self::ACCEPT_LANGUAGE, self::USER_AGENT, self::REFERER, self::CONNECTION, self::ACCEPT, self::ACCEPT_CHARSET);
}
return self::$httpVars;
}
private function checkRequestHeader(Gpf_Net_Server_Http_Request $request)
{
//HTTP/1.1 All Internet-based HTTP/1.1 servers MUST respond with a 400
// (Bad Request) status code to any HTTP/1.1 request message which
// lacks a Host header field.
if ($request->getVersion() == '1.1' && !$request->existsHeader('Host')) {
$response = Gpf_Net_Server_Http_Response::createBadRequest("Host header is missing");
throw new Gpf_Net_Server_Http_RequestException($response);
}
// if($request->existsHeader('TE')) {
// $response = Gpf_Net_Server_Http_Response::createUnimplemented(
// "Transfer-Encoding not supported");
// throw new Gpf_Net_Server_Http_RequestException($response);
// }
if ($request->headerContain('Content-Type', 'multipart/byteranges')) {
$response = Gpf_Net_Server_Http_Response::createUnimplemented("Content-Type multipart/byteranges not supported");
throw new Gpf_Net_Server_Http_RequestException($response);
}
}
/**
*
* @param Gpf_Net_Server_Http_Request $request
* @return Gpf_Net_Server_Http_Response
*/
public function handle(Gpf_Net_Server_Http_Request $request)
{
$file = new Gpf_Io_File($this->getFileName($request->getPath()));
$fileETag = $this->computeEtag($file);
Gpf_Log::debug($request->toString());
if ($this->isCacheableFile($file) && $request->ifNoneMatch($fileETag)) {
$response = new Gpf_Net_Server_Http_Response(304, $file);
$response->setConnection('Keep-Alive');
$response->setBody("Not Modified");
$response->setETag($fileETag);
Gpf_Log::debug($this->_sys("Resource not modified, returned 304 for %s", $request->getPath()));
return $response;
}
//TODO load file from memory cache if available and not from file
// - but I'm not sure if file cache will help - it can just use quite huge amount of server memory
try {
$file->open();
} catch (Gpf_Exception $e) {
$response = new Gpf_Net_Server_Http_Response(404);
$response->setBody('File not found');
Gpf_Log::info($e->getMessage());
return $response;
}
$response = new Gpf_Net_Server_Http_StreamResponse(200, $file);
$response->setConnection('Keep-Alive');
$response->setContentType(self::getContentType(self::getFileExtension($request->getPath())));
$response->setContentLength($file->getSize());
if ($this->isCacheableFile($file)) {
$response->setETag($fileETag);
}
Gpf_Log::debug($this->_sys("Return static file %s" . $request->getPath()));
return $response;
}