/**
* Return all header parameters or a single header parameter.
*
* @param string $header Header name to retrieve, or null to get all.
* @param mixed $default Default value to use when the requested header is missing.
* @return null|\Zend\Http\Header\HeaderInterface
*/
public function fromHeader($header = null, $default = null)
{
if ($header === null) {
return $this->request->getHeaders($header, $default)->toArray();
}
return $this->request->getHeaders($header, $default);
}
/**
* Check if request has certain content/Accept type of RestApi
*
* @param Request $request
* @return bool
*/
public function requestCheckEventType(Request $request)
{
$headers = $request->getHeaders();
if (!$headers->has('Accept')) {
// can't determine what we can accept
return false;
}
$accept = $headers->get('Accept')->toString();
if (stripos($accept, 'application/json') == false) {
// does not match JSON
return false;
}
return true;
}
/**
* Check if request has certain content type
*
* @return boolean
*/
public function requestHasContentType(Request $request, $contentType = '')
{
/** @var $headerContentType \Zend\Http\Header\ContentType */
$headerContentType = $request->getHeaders()->get('content-type');
if (!$headerContentType) {
return false;
}
$requestedContentType = $headerContentType->getFieldValue();
if (strstr($requestedContentType, ';')) {
$headerData = explode(';', $requestedContentType);
$requestedContentType = array_shift($headerData);
}
$requestedContentType = trim($requestedContentType);
if (array_key_exists($contentType, $this->contentTypes)) {
foreach ($this->contentTypes[$contentType] as $contentTypeValue) {
if (stripos($contentTypeValue, $requestedContentType) === 0) {
return true;
}
}
}
return false;
}
