/**
* Takes the deserialized AMF request and performs any operations.
*
* @todo should implement and SPL observer pattern for custom AMF headers
* @todo DescribeService support
* @param Request\StreamRequest $request
* @return Response\StreamResponse
*/
protected function _handle(Request\StreamRequest $request)
{
// Get the object encoding of the request.
$objectEncoding = $request->getObjectEncoding();
// create a response object to place the output from the services.
$response = $this->getResponse();
// set response encoding
$response->setObjectEncoding($objectEncoding);
$responseBody = $request->getAmfBodies();
$handleAuth = false;
if ($this->_auth) {
$headers = $request->getAmfHeaders();
if (isset($headers[Constants::CREDENTIALS_HEADER]) &&
isset($headers[Constants::CREDENTIALS_HEADER]->userid)) {
$handleAuth = true;
}
}
// Iterate through each of the service calls in the AMF request
foreach($responseBody as $body)
{
try {
if ($handleAuth) {
if ($this->_handleAuth(
$headers[Constants::CREDENTIALS_HEADER]->userid,
$headers[Constants::CREDENTIALS_HEADER]->password)) {
// use RequestPersistentHeader to clear credentials
$response->addAmfHeader(
new Value\MessageHeader(
Constants::PERSISTENT_HEADER,
false,
new Value\MessageHeader(
Constants::CREDENTIALS_HEADER,
false, null)));
$handleAuth = false;
}
}
if ($objectEncoding == Constants::AMF0_OBJECT_ENCODING) {
// AMF0 Object Encoding
$targetURI = $body->getTargetURI();
$message = '';
// Split the target string into its values.
$source = substr($targetURI, 0, strrpos($targetURI, '.'));
if ($source) {
// Break off method name from namespace into source
$method = substr(strrchr($targetURI, '.'), 1);
$return = $this->_dispatch($method, $body->getData(), $source);
} else {
// Just have a method name.
$return = $this->_dispatch($targetURI, $body->getData());
}
} else {
// AMF3 read message type
$message = $body->getData();
if ($message instanceof Value\Messaging\CommandMessage) {
// async call with command message
$return = $this->_loadCommandMessage($message);
} elseif ($message instanceof Value\Messaging\RemotingMessage) {
$return = new Value\Messaging\AcknowledgeMessage($message);
$return->body = $this->_dispatch($message->operation, $message->body, $message->source);
} else {
// Amf3 message sent with netConnection
$targetURI = $body->getTargetURI();
// Split the target string into its values.
$source = substr($targetURI, 0, strrpos($targetURI, '.'));
if ($source) {
// Break off method name from namespace into source
$method = substr(strrchr($targetURI, '.'), 1);
$return = $this->_dispatch($method, $body->getData(), $source);
} else {
// Just have a method name.
$return = $this->_dispatch($targetURI, $body->getData());
}
}
}
$responseType = Constants::RESULT_METHOD;
} catch (\Exception $e) {
$return = $this->_errorMessage($objectEncoding, $message,
$e->getMessage(), $e->getTraceAsString(),$e->getCode(), $e->getLine());
$responseType = Constants::STATUS_METHOD;
}
$responseURI = $body->getResponseURI() . $responseType;
$newBody = new Value\MessageBody($responseURI, null, $return);
$response->addAmfBody($newBody);
}
// Add a session header to the body if session is requested.
if($this->isSession()) {
$currentID = session_id();
$joint = "?";
if(isset($_SERVER['QUERY_STRING'])) {
if(!strpos($_SERVER['QUERY_STRING'], $currentID) !== FALSE) {
if(strrpos($_SERVER['QUERY_STRING'], "?") !== FALSE) {
$joint = "&";
}
}
}
// create a new AMF message header with the session id as a variable.
$sessionValue = $joint . $this->_sessionName . "=" . $currentID;
$sessionHeader = new Value\MessageHeader(Constants::URL_APPEND_HEADER, false, $sessionValue);
$response->addAmfHeader($sessionHeader);
}
// serialize the response and return serialized body.
$response->finalize();
}
