/**
* Handles HTTP requests.
*
* If you are going to overload handleRequest, make sure that you start the method with $this->pushCurrent()
* and end the method with $this->popCurrent(). Failure to do this will create weird session errors.
*
* @param $request The {@link HTTPRequest} object that is responsible for distributing request parsing.
*/
function handleRequest(HTTPRequest $request) {
if(!$request) user_error("Controller::handleRequest() not passed a request!", E_USER_ERROR);
$this->pushCurrent();
$this->urlParams = $request->allParams();
$this->request = $request;
$this->response = new HTTPResponse();
// Init
$this->baseInitCalled = false;
$this->init();
if(!$this->baseInitCalled) user_error("init() method on class '$this->class' doesn't call Controller::init(). Make sure that you have parent::init() included.", E_USER_WARNING);
// If we had a redirection or something, halt processing.
if($this->response->isFinished()) {
$this->popCurrent();
return $this->response;
}
$body = parent::handleRequest($request);
if($body instanceof HTTPResponse) {
if(isset($_REQUEST['debug_request'])) Debug::message("Request handler returned HTTPResponse object to $this->class controller; returning it without modification.");
$this->response = $body;
} else {
if(is_object($body)) {
if(isset($_REQUEST['debug_request'])) Debug::message("Request handler $body->class object to $this->class controller;, rendering with template returned by $body->class::getViewer()");
$body = $body->getViewer($request->latestParam('Action'))->process($body);
}
$this->response->setBody($body);
}
ContentNegotiator::process($this->response);
HTTP::add_cache_headers($this->response);
$this->popCurrent();
return $this->response;
}
/**
* Throw an HTTP error instead of performing the normal processing
* @todo This doesn't work properly right now. :-(
*/
function httpError($errorCode, $errorMessage = null) {
$r = new HTTPResponse();
$r->setBody($errorMessage);
$r->setStatuscode($errorCode);
return $r;
}
function html(HTTPResponse $response)
{
$response->addHeader("Content-type", "text/html; charset=" . self::$encoding);
$response->addHeader("Vary", "Accept");
$content = $response->getBody();
$content = ereg_replace("<\\?xml[^>]+\\?>\n?", '', $content);
$content = str_replace(array('/>', 'xml:lang', 'application/xhtml+xml'), array('>', 'lang', 'text/html'), $content);
$content = ereg_replace('<!DOCTYPE[^>]+>', '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">', $content);
$content = ereg_replace('<html xmlns="[^"]+"', '<html ', $content);
$response->setBody($content);
}
/**
* @param String $url
* @param Array $data
* @return String HTTPResponse
*/
function post($url, $postVars)
{
$ch = curl_init($url);
if (!empty(RecaptchaField::$proxy_server)) {
curl_setopt($ch, CURLOPT_PROXY, RecaptchaField::$proxy_server);
if (!empty(RecaptchaField::$proxy_auth)) {
curl_setopt($ch, CURLOPT_PROXYUSERPWD, RecaptchaField::$proxy_auth);
}
}
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, 'reCAPTCHA/PHP');
// we need application/x-www-form-urlencoded
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($postVars));
$response = curl_exec($ch);
if (class_exists('SS_HTTPResponse')) {
$responseObj = new SS_HTTPResponse();
} else {
// 2.3 backwards compat
$responseObj = new HTTPResponse();
}
$responseObj->setBody($response);
// 2.2. compat
return $responseObj;
}
function html(HTTPResponse $response)
{
$response->addHeader("Content-Type", "text/html; charset=" . self::$encoding);
$response->addHeader("Vary", "Accept");
$content = $response->getBody();
$hasXMLHeader = substr($content, 0, 5) == '<' . '?xml';
$content = ereg_replace("<\\?xml[^>]+\\?>\n?", '', $content);
$content = str_replace(array('/>', 'xml:lang', 'application/xhtml+xml'), array('>', 'lang', 'text/html'), $content);
// Only replace the doctype in templates with the xml header
if ($hasXMLHeader) {
$content = ereg_replace('<!DOCTYPE[^>]+>', '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">', $content);
}
$content = ereg_replace('<html xmlns="[^"]+"', '<html ', $content);
$response->setBody($content);
}
/**
* Process the given URL, creating the appropriate controller and executing it.
*
* Request processing is handled as folows:
* - Director::direct() creates a new HTTPResponse object and passes this to Director::handleRequest().
* - Director::handleRequest($request) checks each of the Director rules and identifies a controller to handle this
* request.
* - Controller::handleRequest($request) is then called. This will find a rule to handle the URL, and call the rule
* handling method.
* - RequestHandler::handleRequest($request) is recursively called whenever a rule handling method returns a
* RequestHandler object.
*
* In addition to request processing, Director will manage the session, and perform the output of the actual response
* to the browser.
*
* @param $url String, the URL the user is visiting, without the querystring.
* @uses handleRequest() rule-lookup logic is handled by this.
* @uses Controller::run() Controller::run() handles the page logic for a Director::direct() call.
*/
static function direct($url)
{
// Validate $_FILES array before merging it with $_POST
foreach ($_FILES as $k => $v) {
if (is_array($v['tmp_name'])) {
foreach ($v['tmp_name'] as $tmpFile) {
if ($tmpFile && !is_uploaded_file($tmpFile)) {
user_error("File upload '{$k}' doesn't appear to be a valid upload", E_USER_ERROR);
}
}
} else {
if ($v['tmp_name'] && !is_uploaded_file($v['tmp_name'])) {
user_error("File upload '{$k}' doesn't appear to be a valid upload", E_USER_ERROR);
}
}
}
$req = new HTTPRequest(isset($_SERVER['X-HTTP-Method-Override']) ? $_SERVER['X-HTTP-Method-Override'] : $_SERVER['REQUEST_METHOD'], $url, $_GET, array_merge((array) $_POST, (array) $_FILES), @file_get_contents('php://input'));
// @todo find better way to extract HTTP headers
if (isset($_SERVER['HTTP_ACCEPT'])) {
$req->addHeader("Accept", $_SERVER['HTTP_ACCEPT']);
}
if (isset($_SERVER['CONTENT_TYPE'])) {
$req->addHeader("Content-Type", $_SERVER['CONTENT_TYPE']);
}
if (isset($_SERVER['HTTP_REFERER'])) {
$req->addHeader("Referer", $_SERVER['HTTP_REFERER']);
}
// Load the session into the controller
$session = new Session($_SESSION);
$result = Director::handleRequest($req, $session);
$session->inst_save();
// Return code for a redirection request
if (is_string($result) && substr($result, 0, 9) == 'redirect:') {
$response = new HTTPResponse();
$response->redirect(substr($result, 9));
$response->output();
// Handle a controller
} else {
if ($result) {
if ($result instanceof HTTPResponse) {
$response = $result;
} else {
$response = new HTTPResponse();
$response->setBody($result);
}
// ?debug_memory=1 will output the number of bytes of memory used for this request
if (isset($_REQUEST['debug_memory']) && $_REQUEST['debug_memory']) {
echo number_format(memory_get_peak_usage(), 0);
} else {
$response->output();
}
//$controllerObj->getSession()->inst_save();
}
}
}
/**
* Process the given URL, creating the appropriate controller and executing it.
*
* Request processing is handled as folows:
* - Director::direct() creates a new HTTPResponse object and passes this to Director::handleRequest().
* - Director::handleRequest($request) checks each of the Director rules and identifies a controller to handle this
* request.
* - Controller::handleRequest($request) is then called. This will find a rule to handle the URL, and call the rule
* handling method.
* - RequestHandler::handleRequest($request) is recursively called whenever a rule handling method returns a
* RequestHandler object.
*
* In addition to request processing, Director will manage the session, and perform the output of the actual response
* to the browser.
*
* @param $url String, the URL the user is visiting, without the querystring.
* @uses handleRequest() rule-lookup logic is handled by this.
* @uses Controller::run() Controller::run() handles the page logic for a Director::direct() call.
*/
static function direct($url) {
$req = new HTTPRequest(
(isset($_SERVER['X-HTTP-Method-Override'])) ? $_SERVER['X-HTTP-Method-Override'] : $_SERVER['REQUEST_METHOD'],
$url,
$_GET,
array_merge((array)$_POST, (array)$_FILES),
@file_get_contents('php://input')
);
// @todo find better way to extract HTTP headers
if(isset($_SERVER['HTTP_ACCEPT'])) $req->addHeader("Accept", $_SERVER['HTTP_ACCEPT']);
if(isset($_SERVER['CONTENT_TYPE'])) $req->addHeader("Content-Type", $_SERVER['CONTENT_TYPE']);
if(isset($_SERVER['HTTP_REFERER'])) $req->addHeader("Referer", $_SERVER['HTTP_REFERER']);
// Load the session into the controller
$session = new Session($_SESSION);
$result = Director::handleRequest($req, $session);
$session->inst_save();
// Return code for a redirection request
if(is_string($result) && substr($result,0,9) == 'redirect:') {
$response = new HTTPResponse();
$response->redirect(substr($result, 9));
$response->output();
// Handle a controller
} else if($result) {
if($result instanceof HTTPResponse) {
$response = $result;
} else {
$response = new HTTPResponse();
$response->setBody($result);
}
// ?debug_memory=1 will output the number of bytes of memory used for this request
if(isset($_REQUEST['debug_memory']) && $_REQUEST['debug_memory']) {
echo number_format(memory_get_peak_usage(),0);
} else {
$response->output();
}
//$controllerObj->getSession()->inst_save();
}
}
