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 $filterChain)
{
if ($request->hasHeader('Accept-Encoding')) {
$acceptEncoding = $request->getHeader('Accept-Encoding');
if (strpos($acceptEncoding, 'gzip') !== false) {
// the sender will compress the response if the content encoding
// header is available
$response->setHeader('Content-Encoding', 'gzip');
}
}
$filterChain->handle($request, $response);
}
/**
* 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)
{
$cacheControl = array();
if ($this->flags & self::TYPE_PUBLIC) {
$cacheControl[] = 'public';
}
if ($this->flags & self::TYPE_PRIVATE) {
$cacheControl[] = 'private';
}
if ($this->flags & self::NO_CACHE) {
$cacheControl[] = 'no-cache';
}
if ($this->flags & self::NO_STORE) {
$cacheControl[] = 'no-store';
}
if ($this->flags & self::NO_TRANSFORM) {
$cacheControl[] = 'no-transform';
}
if ($this->flags & self::MUST_REVALIDATE) {
$cacheControl[] = 'must-revalidate';
}
if ($this->flags & self::PROXY_REVALIDATE) {
$cacheControl[] = 'proxy-revalidate';
}
if ($this->maxAge !== null) {
$cacheControl[] = 'max-age=' . intval($this->maxAge);
}
if ($this->sMaxAge !== null) {
$cacheControl[] = 's-maxage=' . intval($this->sMaxAge);
}
if (!empty($cacheControl)) {
$response->setHeader('Cache-Control', implode(', ', $cacheControl));
}
if ($this->expires !== null) {
$response->setHeader('Expires', $this->expires->format(DateTime::HTTP));
}
$filterChain->handle($request, $response);
}
/**
* @param \PSX\Http\ResponseInterface $response
* @return string
*/
public static function buildStatusLine(ResponseInterface $response)
{
$protocol = $response->getProtocolVersion();
$code = $response->getStatusCode();
$phrase = $response->getReasonPhrase();
if (empty($code)) {
throw new Exception('Status code not set');
}
$protocol = !empty($protocol) ? $protocol : 'HTTP/1.1';
if (empty($phrase) && isset(Http::$codes[$code])) {
$phrase = Http::$codes[$code];
}
if (empty($phrase)) {
throw new Exception('No reason phrase provided');
}
return $protocol . ' ' . $code . ' ' . $phrase;
}
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());
}
/**
* Returns an array containing all headers which gets saved in the cache
*
* @param \PSX\Http\ResponseInterface $response
* @return array
*/
protected function getCacheHeaders(ResponseInterface $response)
{
$headers = array('Last-Modified' => date(DateTime::HTTP));
if ($response->hasHeader('Content-Type')) {
$headers['Content-Type'] = $response->getHeader('Content-Type');
}
return $headers;
}
public function send(ResponseInterface $response)
{
$this->response = (string) $response->getBody();
}
protected function handleStatusCodeException(StatusCode\StatusCodeException $e, ResponseInterface $response)
{
$response->setStatus($e->getStatusCode());
if ($e instanceof StatusCode\MethodNotAllowedException) {
$allowedMethods = $e->getAllowedMethods();
if (!empty($allowedMethods)) {
$response->setHeader('Allow', implode(', ', $allowedMethods));
}
} elseif ($e instanceof StatusCode\UnauthorizedException) {
$type = $e->getType();
$parameters = $e->getParameters();
if (!empty($type)) {
if (!empty($parameters)) {
$response->setHeader('WWW-Authenticate', $type . ' ' . Authentication::encodeParameters($parameters));
} else {
$response->setHeader('WWW-Authenticate', $type);
}
}
}
}
