/**
* Writes the $record with the writer $writerType or depending on the get
* parameter format or of the mime type of the Accept header
*
* @param \PSX\Data\RecordInterface $record
* @param string $writerType
* @return void
*/
private function setResponse(RecordInterface $record, $writerType = null)
{
// find best writer type
$writer = $this->getResponseWriter($writerType);
// set writer specific settings
$this->configureWriter($writer);
// write the response
$response = $writer->write($record);
// the response may have multiple presentations based on the Accept
// header field
if (!$this->response->hasHeader('Vary')) {
$this->response->setHeader('Vary', 'Accept');
}
// set content type header if not available
if (!$this->response->hasHeader('Content-Type')) {
$contentType = $writer->getContentType();
if ($contentType !== null) {
$this->response->setHeader('Content-Type', $contentType);
}
}
// for iframe file uploads we need an text/html content type header even
// if we want serve json content. If all browsers support the FormData
// api we can send file uploads per ajax but for now we use this hack.
// Note do not rely on this param it will be removed as soon as possible
if (isset($_GET['htmlMime'])) {
$this->response->setHeader('Content-Type', 'text/html');
}
$this->response->getBody()->write($response);
}
public function handle(RequestInterface $request, ResponseInterface $response, FilterChainInterface $filterChain)
{
$accept = $request->getHeader('Accept');
if (stripos($accept, 'text/html') !== false && is_file($this->file)) {
$response->setHeader('Content-Type', 'text/html');
$response->getBody()->write(file_get_contents($this->file));
} else {
$filterChain->handle($request, $response);
}
}
public function handle(RequestInterface $request, ResponseInterface $response, FilterChainInterface $filterChain)
{
$key = $this->getCacheKey($request);
if (!empty($key)) {
$item = $this->cache->getItem($key);
if ($item->isHit()) {
// serve cache response
$resp = $item->get();
$response->setHeaders($resp['headers']);
$response->getBody()->write($resp['body']);
} else {
$filterChain->handle($request, $response);
// save response
$resp = array('headers' => $this->getCacheHeaders($response), 'body' => Util::toString($response->getBody()));
$item->set($resp, $this->ttl);
$this->cache->save($item);
}
} else {
// if we have no key we can not use a cache
$filterChain->handle($request, $response);
}
}
protected function sendContentChunked(ResponseInterface $response)
{
$body = $response->getBody();
$body->seek(0);
while (!$body->eof()) {
$chunk = $body->read($this->chunkSize);
$len = strlen($chunk);
if ($len > 0) {
echo dechex($len) . "\r\n" . $chunk . "\r\n";
flush();
}
}
echo '0' . "\r\n" . "\r\n";
flush();
$body->close();
}
/**
* Method which checks whether this is an valid response from an google
* server
*/
protected function assertGoogleResponse(ResponseInterface $response)
{
$this->assertTrue($response->getStatusCode() >= 200 && $response->getStatusCode() < 400);
// google server always response with an Server header
$this->assertTrue($response->hasHeader('Server'));
// we assume that the response should be more the 128 bytes
$this->assertTrue(strlen((string) $response->getBody()) > 128);
}
public static function createResponse(ResponseInterface $response)
{
return new PsrResponse($response->getBody(), $response->getStatusCode(), $response->getHeaders());
}
public function send(ResponseInterface $response)
{
$this->response = (string) $response->getBody();
}
