/**
* Processes the request by invoking the request handler that executes the servlet
* in a protected context.
*
* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The request instance
* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The response instance
*
* @return void
*/
public function invoke(HttpServletRequestInterface $servletRequest, HttpServletResponseInterface $servletResponse)
{
try {
// unpack the remote method call
$remoteMethod = RemoteMethodProtocol::unpack($servletRequest->getBodyContent());
// load the application context
/** @var \AppserverIo\Appserver\Application\Application $application */
$application = $servletRequest->getContext();
// prepare method name and parameters and invoke method
$className = $remoteMethod->getClassName();
$methodName = $remoteMethod->getMethodName();
$parameters = $remoteMethod->getParameters();
$sessionId = $remoteMethod->getSessionId();
// load the bean manager and the bean instance
$instance = $application->search($className, array($sessionId, array($application)));
// invoke the remote method call on the local instance
$response = call_user_func_array(array($instance, $methodName), $parameters);
// serialize the remote method and write it to the socket
$servletResponse->appendBodyStream(RemoteMethodProtocol::pack($response));
// re-attach the bean instance in the container and unlock it
$application->search('BeanContextInterface')->attach($instance, $sessionId);
} catch (\Exception $e) {
// catch the exception and append it to the body stream
$servletResponse->appendBodyStream(RemoteMethodProtocol::pack(RemoteExceptionWrapper::factory($e)));
}
// finally dispatch this request, because we have finished processing it
$servletRequest->setDispatched(true);
}
/**
* Processes the request by invoking the request handler that executes the servlet
* in a protected context.
*
* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The request instance
* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The response instance
*
* @return void
*/
public function invoke(HttpServletRequestInterface $servletRequest, HttpServletResponseInterface $servletResponse)
{
try {
// unpack the remote method call
$remoteMethod = RemoteMethodProtocol::unpack($servletRequest->getBodyContent());
// load the application context
/** @var \AppserverIo\Appserver\Application\Application $application */
$application = $servletRequest->getContext();
// invoke the remote method and re-attach the bean instance to the container
$response = $application->search(BeanContextInterface::IDENTIFIER)->invoke($remoteMethod, new ArrayList());
// serialize the remote method and write it to the socket
$servletResponse->appendBodyStream(RemoteMethodProtocol::pack($response));
} catch (\Exception $e) {
// catch the exception and append it to the body stream
$servletResponse->appendBodyStream(RemoteMethodProtocol::pack(RemoteExceptionWrapper::factory($e)));
}
// finally dispatch this request, because we have finished processing it
$servletRequest->setDispatched(true);
}
/**
* Encodes the request using the configured encoding method, e. g. JSON.
*
* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The request instance
* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The response instance
*
* @return void
*/
public function encode(HttpServletRequestInterface $servletRequest, HttpServletResponseInterface $servletResponse)
{
// load the servlet response status code
$statusCode = $servletResponse->getStatusCode();
// load the result to be encoded, but only if we've NO redirect response (response code 300 - 399)
if (($statusCode < 299 || $statusCode > 399) && ($result = $servletRequest->getAttribute(RequestKeys::RESULT))) {
// encode the result with the configured encoder
$viewData = $this->getEncodingHandler()->encode($result);
// add the header for the content type and append the encoded content
$servletResponse->addHeader(HttpProtocol::HEADER_CONTENT_TYPE, $viewData->getContentType());
$servletResponse->appendBodyStream($viewData->getData());
}
}
/**
* This method finally handles all PHP and user errors as well as the exceptions that
* have been thrown through the servlet processing.
*
* @param \AppserverIo\Appserver\ServletEngine\RequestHandler $requestHandler The request handler instance
* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The actual request instance
* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The actual request instance
*
* @return void
*/
public function handleErrors(RequestHandler $requestHandler, HttpServletRequestInterface $servletRequest, HttpServletResponseInterface $servletResponse)
{
// return immediately if we don't have any errors
if (sizeof($errors = $requestHandler->getErrors()) === 0) {
return;
}
// iterate over the errors to process each of them
foreach ($errors as $error) {
// prepare the error message
$message = $this->prepareMessage($error);
// query whether or not we have to log the error
if (Boolean::valueOf(new String(ini_get('log_errors')))->booleanValue()) {
// create a local copy of the application
if ($application = $servletRequest->getContext()) {
// try to load the system logger from the application
if ($systemLogger = $application->getLogger(LoggerUtils::SYSTEM)) {
$systemLogger->log($this->mapLogLevel($error), $message);
}
}
}
// query whether or not, the error has an status code
if ($statusCode = $error->getStatusCode()) {
$servletResponse->setStatusCode($statusCode);
}
}
// we add the error to the servlet request
$servletRequest->setAttribute(RequestHandlerKeys::ERROR_MESSAGES, $errors);
// we append the the errors to the body stream if display_errors is on
if (Boolean::valueOf(new String(ini_get('display_errors')))->booleanValue()) {
$servletResponse->appendBodyStream(implode('<br/>', $errors));
}
// query whether or not we've a client or an server error
if ($servletResponse->getStatusCode() > 399) {
try {
// create a local copy of the application
$application = $servletRequest->getContext();
// inject the application and servlet response
$servletRequest->injectResponse($servletResponse);
$servletRequest->injectContext($application);
// load the servlet context instance
$servletManager = $application->search(ServletContextInterface::IDENTIFIER);
// initialize the request URI for the error page to be rendered
$requestUri = null;
// iterate over the configured error pages to find a matching one
foreach ($servletManager->getErrorPages() as $errorCodePattern => $errorPage) {
// query whether or not we found an error page configured for the actual status code
if (fnmatch($errorCodePattern, $servletResponse->getStatusCode())) {
$requestUri = $errorPage;
break;
}
}
// query whether or not we've an found a configured error page
if ($requestUri == null) {
throw new ServletException(sprintf('Please configure an error page for status code %s', $servletResponse->getStatusCode()));
}
// initialize the request URI
$servletRequest->setRequestUri($requestUri);
// prepare the request with the new data
$servletRequest->prepare();
// reset the body stream to remove content, that has already been appended
$servletResponse->resetBodyStream();
// load the servlet path and session-ID
$servletPath = $servletRequest->getServletPath();
$sessionId = $servletRequest->getProposedSessionId();
// load and process the servlet
$servlet = $servletManager->lookup($servletPath, $sessionId);
$servlet->service($servletRequest, $servletResponse);
} catch (\Exception $e) {
// finally log the exception
$application->getInitialContext()->getSystemLogger()->critical($e->__toString());
// append the exception message to the body stream
$servletResponse->appendBodyStream($e->__toString());
}
}
}
/**
* Tries to load the requested file and adds the content to the response.
*
* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The request instance
* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The response instance
*
* @return void
*/
public function doGet(HttpServletRequestInterface $servletRequest, HttpServletResponseInterface $servletResponse)
{
// load \Mage
$this->load();
// init globals
$this->initGlobals($servletRequest);
// run \Mage and set content
$servletResponse->appendBodyStream($this->run($servletRequest));
// add the status code we've caught from the legacy app
$servletResponse->setStatusCode(appserver_get_http_response_code());
// add this header to prevent .php request to be cached
$servletResponse->addHeader(Protocol::HEADER_EXPIRES, '19 Nov 1981 08:52:00 GMT');
$servletResponse->addHeader(Protocol::HEADER_CACHE_CONTROL, 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0');
$servletResponse->addHeader(Protocol::HEADER_PRAGMA, 'no-cache');
// set per default text/html mimetype
$servletResponse->addHeader(Protocol::HEADER_CONTENT_TYPE, 'text/html');
// grep headers and set to response object
foreach (appserver_get_headers(true) as $i => $h) {
// set headers defined in sapi headers
$h = explode(':', $h, 2);
if (isset($h[1])) {
// load header key and value
$key = trim($h[0]);
$value = trim($h[1]);
// if no status, add the header normally
if ($key === Protocol::HEADER_STATUS) {
// set status by Status header value which is only used by fcgi sapi's normally
$servletResponse->setStatusCode($value);
} elseif ($key === Protocol::HEADER_SET_COOKIE) {
$servletResponse->addHeader($key, $value, true);
} else {
$servletResponse->addHeader($key, $value);
}
}
}
}
/**
* Dummy action implementation.
*
* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The request instance
* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The response instance
*
* @return void
*/
public function testAction(HttpServletRequestInterface $servletRequest, HttpServletResponseInterface $servletResponse)
{
$servletResponse->appendBodyStream($servletRequest->getPathInfo());
}
/**
* Tries to load the requested thumbnail from the applications WEB-INF directory
* and adds it to the response.
*
* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The request instance
* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The response instance
*
* @return void
* @see \AppserverIo\Psr\Servlet\Http\HttpServlet::doGet()
*
* @SWG\Get(
* path="/thumbnails.do/{id}",
* tags={"applications"},
* summary="The application's thumbnail",
* produces={"image/png"},
* @SWG\Parameter(
* name="id",
* in="path",
* description="The name of the application to load the thumbnail for",
* required=true,
* type="string"
* ),
* @SWG\Response(
* response=200,
* description="The application's thumbnail"
* ),
* @SWG\Response(
* response=500,
* description="Internal Server Error"
* )
* )
*/
public function doGet(HttpServletRequestInterface $servletRequest, HttpServletResponseInterface $servletResponse)
{
// load the requested path info, e. g. /api/thumbnails.do/example/
$pathInfo = trim($servletRequest->getPathInfo(), '/');
// extract the entity and the ID, if available
list($id, ) = explode('/', $pathInfo);
// load file information and return the file object if possible
$fileInfo = new \SplFileInfo($path = $this->getApplicationProcessor()->thumbnail($id));
if ($fileInfo->isDir()) {
throw new FoundDirInsteadOfFileException(sprintf("Requested file %s is a directory", $path));
}
if ($fileInfo->isFile() === false) {
throw new FileNotFoundException(sprintf('File %s not not found', $path));
}
if ($fileInfo->isReadable() === false) {
throw new FileNotReadableException(sprintf('File %s is not readable', $path));
}
// open the file itself
$file = $fileInfo->openFile();
// set mimetypes to header
$servletResponse->addHeader(HttpProtocol::HEADER_CONTENT_TYPE, MimeTypes::getMimeTypeByExtension(pathinfo($file->getFilename(), PATHINFO_EXTENSION)));
// set last modified date from file
$servletResponse->addHeader(HttpProtocol::HEADER_LAST_MODIFIED, gmdate('D, d M Y H:i:s \\G\\M\\T', $file->getMTime()));
// set expires date
$servletResponse->addHeader(HttpProtocol::HEADER_EXPIRES, gmdate('D, d M Y H:i:s \\G\\M\\T', time() + 3600));
// check if If-Modified-Since header info is set
if ($servletRequest->getHeader(HttpProtocol::HEADER_IF_MODIFIED_SINCE)) {
// check if file is modified since header given header date
if (strtotime($servletRequest->getHeader(HttpProtocol::HEADER_IF_MODIFIED_SINCE)) >= $file->getMTime()) {
// send 304 Not Modified Header information without content
$servletResponse->addHeader(HttpProtocol::HEADER_STATUS, 'HTTP/1.1 304 Not Modified');
$servletResponse->appendBodyStream(PHP_EOL);
return;
}
}
// add the thumbnail as response content
$servletResponse->appendBodyStream(file_get_contents($file->getRealPath()));
}
/**
* Tries to load the requested file and adds the content to the response.
*
* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The request instance
* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The response instance
*
* @return void
*/
public function doGet(HttpServletRequestInterface $servletRequest, HttpServletResponseInterface $servletResponse)
{
// load \Mage
$this->load();
// init globals
$this->initGlobals($servletRequest);
// run \Mage and set content
$content = $this->run($servletRequest);
$servletResponse->appendBodyStream($content);
$this->prepareResponse($servletRequest, $servletResponse);
}
