/**
* Copies the values from the request handler back to the passed HTTP response instance.
*
* @param \AppserverIo\Psr\HttpMessage\ResponseInterface $httpResponse A HTTP response object
*
* @return void
*/
public function copyToHttpResponse(ResponseInterface $httpResponse)
{
// copy response values to the HTTP response
$httpResponse->setStatusCode($this->statusCode);
$httpResponse->setStatusReasonPhrase($this->statusReasonPhrase);
$httpResponse->setVersion($this->version);
$httpResponse->setState($this->state);
// copy the body content to the HTTP response
$httpResponse->appendBodyStream($this->bodyStream);
// copy headers to the HTTP response
foreach ($this->headers as $headerName => $headerValue) {
$httpResponse->addHeader($headerName, $headerValue);
}
// copy cookies to the HTTP response
$httpResponse->setCookies($this->cookies);
// query whether an exception has been thrown, if yes, re-throw it
if ($this->exception instanceof \Exception) {
throw $this->exception;
}
}
/**
* Implement's module logic for given hook
*
* @param \AppserverIo\Psr\HttpMessage\RequestInterface $request A request object
* @param \AppserverIo\Psr\HttpMessage\ResponseInterface $response A response object
* @param \AppserverIo\Server\Interfaces\RequestContextInterface $requestContext A requests context instance
* @param int $hook The current hook to process logic for
*
* @return bool
* @throws \AppserverIo\Server\Exceptions\ModuleException
*/
public function process(RequestInterface $request, ResponseInterface $response, RequestContextInterface $requestContext, $hook)
{
try {
// in php an interface is, by definition, a fixed contract. It is immutable.
// so we have to declair the right ones afterwards...
/**
* @var $request \AppserverIo\Psr\HttpMessage\RequestInterface
*/
/**
* @var $request \AppserverIo\Psr\HttpMessage\ResponseInterface
*/
// if false hook is coming do nothing
if (ModuleHooks::REQUEST_POST !== $hook) {
return;
}
// check if server handler sais php modules should react on this request as file handler
if ($requestContext->getServerVar(ServerVars::SERVER_HANDLER) !== self::MODULE_NAME) {
return;
}
// check if file does not exist
if (!$requestContext->hasServerVar(ServerVars::SCRIPT_FILENAME)) {
$response->setStatusCode(404);
throw new ModuleException(null, 404);
}
// create a new the FastCGI client/connection
$fastCgiConnection = $this->getFastCgiClient($requestContext)->connect();
// prepare the Fast-CGI environment variables
$environment = $this->prepareEnvironment($request, $requestContext);
// rewind the body stream
$bodyStream = $request->getBodyStream();
rewind($bodyStream);
// initialize a new FastCGI request instance
$fastCgiRequest = $fastCgiConnection->newRequest($environment, $bodyStream);
// process the request
$rawResponse = $fastCgiConnection->request($fastCgiRequest);
// format the raw response
$fastCgiResponse = $this->formatResponse($rawResponse->content);
// set the Fast-CGI response value in the WebServer response
$response->setStatusCode($fastCgiResponse['statusCode']);
$response->appendBodyStream($fastCgiResponse['body']);
// set the headers found in the Fast-CGI response
if (array_key_exists('headers', $fastCgiResponse)) {
foreach ($fastCgiResponse['headers'] as $headerName => $headerValue) {
// if found an array, e. g. for the Set-Cookie header, we add each value
if (is_array($headerValue)) {
foreach ($headerValue as $value) {
$response->addHeader($headerName, $value, true);
}
} else {
$response->addHeader($headerName, $headerValue);
}
}
}
// add the X-Powered-By header
$response->addHeader(Protocol::HEADER_X_POWERED_BY, __CLASS__);
// set response state to be dispatched after this without calling other modules process
$response->setState(HttpResponseStates::DISPATCH);
} catch (\Exception $e) {
// catch all exceptions
throw new ModuleException($e->getMessage(), $e->getCode());
}
}
/**
* Implements module logic for given hook
*
* @param \AppserverIo\Psr\HttpMessage\RequestInterface $request A request object
* @param \AppserverIo\Psr\HttpMessage\ResponseInterface $response A response object
* @param \AppserverIo\Server\Interfaces\RequestContextInterface $requestContext A requests context instance
* @param int $hook The current hook to process logic for
*
* @return bool
* @throws \AppserverIo\Server\Exceptions\ModuleException
*/
public function process(RequestInterface $request, ResponseInterface $response, RequestContextInterface $requestContext, $hook)
{
/**
* @var $request \AppserverIo\Psr\HttpMessage\RequestInterface
*/
/**
* @var $response \AppserverIo\Psr\HttpMessage\ResponseInterface
*/
// if false hook is comming do nothing
if (ModuleHooks::REQUEST_POST !== $hook) {
return;
}
// make request context available for usage in template
$this->requestContext = $requestContext;
// query whether the auto index module is available
if ($this->getRequestContext()->hasServerVar(ServerVars::SERVER_AUTO_INDEX) === false) {
return;
}
// query whether the auto index module is available and enabled
if ($this->getRequestContext()->getServerVar(ServerVars::SERVER_AUTO_INDEX) === ServerVars::VALUE_AUTO_INDEX_OFF) {
return;
}
// stop processing if file handler will not be core in case that location module
// has changed the server handler to be proxy, fastcgi or what ever.
if ($requestContext->getServerVar(ServerVars::SERVER_HANDLER) !== 'core') {
return;
}
// now load the URL without path information and query string
$url = $this->getUrl();
// query whether the URL ends with a slash
if ($url[strlen($url) - 1] !== '/') {
return;
}
// query whether an existing path is requested
if (is_dir($realPath = $this->getRealPath()) === false) {
return;
}
// load the auto index template if available
$autoIndexTemplatePath = $this->getRequestContext()->getServerVar(ServerVars::SERVER_AUTO_INDEX_TEMPLATE_PATH);
// query whether a template is configured and available
if ($autoIndexTemplatePath && is_file($autoIndexTemplatePath)) {
// render errors page
ob_start();
require $autoIndexTemplatePath;
$autoIndexPage = ob_get_clean();
} else {
// initialize the directory listing content
$directoryListing = '<tr><th>Name</th><th>Last Modified</th><th>Size</th></tr>';
// query whether if we've parent directory or not
if ($this->hasParent($realPath)) {
$directoryListing .= sprintf('<tr><td colspan="3"><a href="%s">Parent Directory</a></td></tr>', $this->getParentLink());
}
// append the found files + directories to the directory listing
foreach ($this->getDirectoryContent($realPath) as $directory) {
// append the file or directory to the directory listing
$directoryListing .= sprintf('<tr><td><a href="%s">%s</a></td><td>%s</td><td>%d</td></tr>', $this->getLink($directory), $this->getName($directory), $this->getDate($directory), $this->getFilesize($directory));
}
// concatenate the elements of the auto index page
$autoIndexPage = sprintf('<!DOCTYPE html><html><head><title>Index of %s</title></head><body><h1>Index of %s</h1><table>%s</table></body></html>', $this->getUri(), $this->getUri(), $directoryListing);
}
// append errors page to response body
$response->appendBodyStream($autoIndexPage);
// set the Content-Type to text/html
$response->addHeader(Protocol::HEADER_CONTENT_TYPE, 'text/html');
// set response state to be dispatched after this without calling other modules process
$response->setState(HttpResponseStates::DISPATCH);
}
/**
* Copies the values from the request handler back to the passed HTTP response instance.
*
* @param \AppserverIo\Psr\HttpMessage\ResponseInterface $httpResponse A HTTP response object
*
* @return void
*/
public function copyToHttpResponse(ResponseInterface $httpResponse)
{
// create a local copy of the response
$servletResponse = $this->servletResponse;
// copy response values to the HTTP response
$httpResponse->setStatusCode($servletResponse->getStatusCode());
$httpResponse->setStatusReasonPhrase($servletResponse->getStatusReasonPhrase());
$httpResponse->setVersion($servletResponse->getVersion());
$httpResponse->setState($servletResponse->getState());
// copy the body content to the HTTP response
$httpResponse->appendBodyStream($servletResponse->getBodyStream());
// copy headers to the HTTP response
foreach ($servletResponse->getHeaders() as $headerName => $headerValue) {
$httpResponse->addHeader($headerName, $headerValue);
}
// copy cookies to the HTTP response
$httpResponse->setCookies($servletResponse->getCookies());
}
/**
* Process servlet request.
*
* @param \AppserverIo\Psr\HttpMessage\RequestInterface $request A request object
* @param \AppserverIo\Psr\HttpMessage\ResponseInterface $response A response object
* @param \AppserverIo\Server\Interfaces\RequestContextInterface $requestContext A requests context instance
* @param integer $hook The current hook to process logic for
*
* @return boolean
*
* @throws \AppserverIo\Server\Exceptions\ModuleException
*/
public function process(RequestInterface $request, ResponseInterface $response, RequestContextInterface $requestContext, $hook)
{
// if false hook is coming do nothing
if (ModuleHooks::REQUEST_POST !== $hook) {
return;
}
// check if we are the handler that has to process this request
if ($requestContext->getServerVar(ServerVars::SERVER_HANDLER) !== $this->getModuleName()) {
return;
}
// load the application associated with this request
$application = $this->findRequestedApplication($requestContext);
$application->registerClassLoaders();
// check if the application has already been connected
if ($application->isConnected() === false) {
throw new \Exception(sprintf('Application %s has not connected yet', $application->getName()), 503);
}
// create a copy of the valve instances
$valves = $this->valves;
$handlers = $this->handlers;
// create a new request instance from the HTTP request
$servletRequest = new Request();
$servletRequest->injectHandlers($handlers);
$servletRequest->injectHttpRequest($request);
$servletRequest->injectServerVars($requestContext->getServerVars());
$servletRequest->init();
// initialize servlet response
$servletResponse = new Response();
$servletResponse->init();
// load the session and the authentication manager
$sessionManager = $application->search(SessionManagerInterface::IDENTIFIER);
$authenticationManager = $application->search(AuthenticationManagerInterface::IDENTIFIER);
// inject the sapplication and servlet response
$servletRequest->injectContext($application);
$servletRequest->injectResponse($servletResponse);
$servletRequest->injectSessionManager($sessionManager);
$servletRequest->injectAuthenticationManager($authenticationManager);
// prepare the request instance
$servletRequest->prepare();
// initialize static request and application context
RequestHandler::$requestContext = $servletRequest;
RequestHandler::$applicationContext = $application;
// process the valves
foreach ($valves as $valve) {
$valve->invoke($servletRequest, $servletResponse);
if ($servletRequest->isDispatched() === true) {
break;
}
}
// copy response values to the HTTP response
$response->setState($servletResponse->getState());
$response->setVersion($servletResponse->getVersion());
$response->setStatusCode($servletResponse->getStatusCode());
$response->setStatusReasonPhrase($servletResponse->getStatusReasonPhrase());
// copy the body content to the HTTP response
$response->appendBodyStream($servletResponse->getBodyStream());
// copy headers to the HTTP response
foreach ($servletResponse->getHeaders() as $headerName => $headerValue) {
$response->addHeader($headerName, $headerValue);
}
// copy cookies to the HTTP response
$response->setCookies($servletResponse->getCookies());
// append the servlet engine's signature
$response->addHeader(Protocol::HEADER_X_POWERED_BY, get_class($this), true);
// set response state to be dispatched after this without calling other modules process
$response->setState(HttpResponseStates::DISPATCH);
}
/**
* Process servlet request.
*
* @param \AppserverIo\Psr\HttpMessage\RequestInterface $request A request object
* @param \AppserverIo\Psr\HttpMessage\ResponseInterface $response A response object
* @param \AppserverIo\Server\Interfaces\RequestContextInterface $requestContext A requests context instance
* @param int $hook The current hook to process logic for
*
* @return bool
* @throws \AppserverIo\Server\Exceptions\ModuleException
*/
public function process(RequestInterface $request, ResponseInterface $response, RequestContextInterface $requestContext, $hook)
{
try {
// if false hook is coming do nothing
if (ModuleHooks::REQUEST_POST !== $hook) {
return;
}
// check if we are the handler that has to process this request
if ($requestContext->getServerVar(ServerVars::SERVER_HANDLER) !== $this->getModuleName()) {
return;
}
// initialize servlet session, request + response
$servletRequest = new Request();
$servletRequest->injectHttpRequest($request);
$servletRequest->injectServerVars($requestContext->getServerVars());
// initialize the parts
foreach ($request->getParts() as $part) {
$servletRequest->addPart(Part::fromHttpRequest($part));
}
// set the body content if we can find one
if ($request->getHeader(HttpProtocol::HEADER_CONTENT_LENGTH) > 0) {
$servletRequest->setBodyStream($request->getBodyContent());
}
// prepare the servlet request
$this->prepareServletRequest($servletRequest);
// initialize the servlet response with the Http response values
$servletResponse = new Response();
$servletRequest->injectResponse($servletResponse);
// load the application associated with this request
$application = $this->findRequestedApplication($requestContext);
// prepare and set the applications context path
$servletRequest->setContextPath($contextPath = '/' . $application->getName());
$servletRequest->setServletPath(str_replace($contextPath, '', $servletRequest->getServletPath()));
// prepare the base modifier which allows our apps to provide a base URL
$webappsDir = $this->getServerContext()->getServerConfig()->getDocumentRoot();
$relativeRequestPath = strstr($servletRequest->getServerVar(ServerVars::DOCUMENT_ROOT), $webappsDir);
$proposedBaseModifier = str_replace($webappsDir, '', $relativeRequestPath);
if (strpos($proposedBaseModifier, $contextPath) === 0) {
$servletRequest->setBaseModifier('');
} else {
$servletRequest->setBaseModifier($contextPath);
}
// initialize the request handler instance
$dispatched = false;
$applicationName = $application->getName();
while ($dispatched === false) {
if ($this->requestHandlers[$applicationName][$i = rand(0, 9)]->isWaiting()) {
$this->requestHandlers[$applicationName][$i]->handleRequest($servletRequest, $servletResponse);
$dispatched = true;
break;
}
}
// copy the values from the servlet response back to the HTTP response
$response->setStatusCode($servletResponse->getStatusCode());
$response->setStatusReasonPhrase($servletResponse->getStatusReasonPhrase());
$response->setVersion($servletResponse->getVersion());
$response->setState($servletResponse->getState());
// append the content to the body stream
$response->appendBodyStream($servletResponse->getBodyStream());
// transform the servlet headers back into HTTP headers
$headers = array();
foreach ($servletResponse->getHeaders() as $name => $header) {
$headers[$name] = $header;
}
// set the headers as array (because we don't know if we have to use the append flag)
$response->setHeaders($headers);
// copy the servlet response cookies back to the HTTP response
foreach ($servletResponse->getCookies() as $cookie) {
$response->addCookie(unserialize($cookie));
}
// set response state to be dispatched after this without calling other modules process
$response->setState(HttpResponseStates::DISPATCH);
} catch (ModuleException $me) {
throw $me;
} catch (\Exception $e) {
throw new ModuleException($e, 500);
}
}
/**
* Implement's module logic for given hook
*
* @param \AppserverIo\Psr\HttpMessage\RequestInterface $request A request object
* @param \AppserverIo\Psr\HttpMessage\ResponseInterface $response A response object
* @param \AppserverIo\Server\Interfaces\RequestContextInterface $requestContext A requests context instance
* @param int $hook The current hook to process logic for
*
* @return bool
* @throws \AppserverIo\Server\Exceptions\ModuleException
*/
public function process(RequestInterface $request, ResponseInterface $response, RequestContextInterface $requestContext, $hook)
{
try {
// in php an interface is, by definition, a fixed contract. It is immutable.
// so we have to declair the right ones afterwards...
/**
* @var $request \AppserverIo\Psr\HttpMessage\RequestInterface
*/
/**
* @var $request \AppserverIo\Psr\HttpMessage\ResponseInterface
*/
// if false hook is coming do nothing
if (ModuleHooks::REQUEST_POST !== $hook) {
return;
}
// check if server handler sais php modules should react on this request as file handler
if ($requestContext->getServerVar(ServerVars::SERVER_HANDLER) !== self::MODULE_NAME) {
return;
}
// check if file does not exist
if ($requestContext->hasServerVar(ServerVars::SCRIPT_FILENAME) === false) {
$response->setStatusCode(404);
throw new ModuleException(null, 404);
}
// initialize the event loop
$loop = EventLoopFactory::create();
// invoke the FastCGI request
$this->getFastCgiClient($requestContext, $loop)->done(function (Client $client) use($request, $requestContext, $response) {
// initialize the environment
$env = $this->prepareEnvironment($request, $requestContext);
// initialize the request
$req = $client->newRequest(new RequestParameters($env), new \Crunch\FastCGI\ReaderWriter\StringReader($request->getBodyContent()));
// initialize the response handler
$responseHandler = function ($res) use($response) {
// explode status code, headers and body from the FastCGI response
list($statusCode, $headers, $body) = $this->formatResponse($res->getContent()->read());
// set the headers found in the Fast-CGI response
foreach ($headers as $headerName => $headerValue) {
// if found an array, e. g. for the Set-Cookie header, we add each value
if (is_array($headerValue)) {
foreach ($headerValue as $value) {
$response->addHeader($headerName, $value, true);
}
} else {
$response->addHeader($headerName, $headerValue);
}
}
// initialize the HTTP response with the values
$response->appendBodyStream($body);
$response->setStatusCode($statusCode);
};
// finally send the FastCGI request
$x = $client->sendRequest($req)->then($responseHandler);
// close the FastCGI connection
promise\all([$x])->then(function () use($client) {
$client->close();
});
});
// start the event loop
$loop->run();
// append the X-Powered-By header
$response->addHeader(Protocol::HEADER_X_POWERED_BY, __CLASS__, true);
// set response state to be dispatched after this without calling other modules process
$response->setState(HttpResponseStates::DISPATCH);
} catch (\Exception $e) {
// catch all exceptions
throw new ModuleException($e->getMessage(), $e->getCode());
}
}
