protected function prepareFileStream(ResponseInterface $response)
{
if ($response->getBody() instanceof FileStream) {
$fileName = $response->getBody()->getFileName();
if (empty($fileName)) {
$fileName = 'file';
}
$contentType = $response->getBody()->getContentType();
if (empty($contentType)) {
$contentType = 'application/octet-stream';
}
$response->setHeader('Content-Type', $contentType);
$response->setHeader('Content-Disposition', 'attachment; filename="' . addcslashes($fileName, '"') . '"');
$response->setHeader('Transfer-Encoding', 'chunked');
}
}
/**
* 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 $filterChain)
{
if ($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);
}
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);
}
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);
}
}
}
}
