public function testConfigVary()
{
$body = "<html><head></head><body><h1>Mysite</h1></body></html>";
$response = new HTTPResponse($body, 200);
Director::config()->update('environment_type', 'live');
HTTP::set_cache_age(30);
HTTP::add_cache_headers($response);
$v = $response->getHeader('Vary');
$this->assertNotEmpty($v);
$this->assertContains("Cookie", $v);
$this->assertContains("X-Forwarded-Protocol", $v);
$this->assertContains("User-Agent", $v);
$this->assertContains("Accept", $v);
HTTP::config()->update('vary', '');
$response = new HTTPResponse($body, 200);
HTTP::add_cache_headers($response);
$v = $response->getHeader('Vary');
$this->assertEmpty($v);
}
/**
* Prepare the response (we can receive an assortment of response types (strings/objects/HTTPResponses) and
* changes the controller response object appropriately
*
* @param HTTPResponse|Object $response
*/
protected function prepareResponse($response)
{
if ($response instanceof HTTPResponse) {
if (isset($_REQUEST['debug_request'])) {
Debug::message("Request handler returned HTTPResponse object to {$this->class} controller;" . "returning it without modification.");
}
$this->setResponse($response);
} else {
if ($response instanceof Object && $response->hasMethod('getViewer')) {
if (isset($_REQUEST['debug_request'])) {
Debug::message("Request handler {$response->class} object to {$this->class} controller;" . "rendering with template returned by {$response->class}::getViewer()");
}
$response = $response->getViewer($this->getAction())->process($response);
}
$this->getResponse()->setBody($response);
}
//deal with content if appropriate
ContentNegotiator::process($this->getResponse());
//add cache headers
HTTP::add_cache_headers($this->getResponse());
}
/**
* Skip any further processing and immediately respond with a redirect to the passed URL.
*
* @param string $destURL
*/
protected static function force_redirect($destURL)
{
$response = new HTTPResponse();
$response->redirect($destURL, 301);
HTTP::add_cache_headers($response);
// TODO: Use an exception - ATM we can be called from _config.php, before Director#handleRequest's try block
$response->output();
die;
}
/**
* Output the feed to the browser.
*
* TODO: Pass $response object to ->outputToBrowser() to loosen dependence on global state for easier testing/prototyping so dev can inject custom HTTPResponse instance.
*
* @return DBHTMLText
*/
public function outputToBrowser()
{
$prevState = SSViewer::config()->get('source_file_comments');
SSViewer::config()->update('source_file_comments', false);
$response = Controller::curr()->getResponse();
if (is_int($this->lastModified)) {
HTTP::register_modification_timestamp($this->lastModified);
$response->addHeader("Last-Modified", gmdate("D, d M Y H:i:s", $this->lastModified) . ' GMT');
}
if (!empty($this->etag)) {
HTTP::register_etag($this->etag);
}
if (!headers_sent()) {
HTTP::add_cache_headers();
$response->addHeader("Content-Type", "application/rss+xml; charset=utf-8");
}
SSViewer::config()->update('source_file_comments', $prevState);
return $this->renderWith($this->getTemplates());
}
