Change jsonp string to json
| public static changeJsonpToJson ( $body, $callback ) : string | ||
| $body | ||
| $callback | ||
| return | string | |
/**
* @param DispatcherInterface $dispatcher
* @return bool true if cache missed(intercepter injected), false if cache hit(intercepter not injected)
*/
public function injectInterceptor(DispatcherInterface $dispatcher)
{
/**
* @var \Phalcon\DI $di
*/
$di = $dispatcher->getDI();
$config = $di->getConfig();
// cache is disable
if (!$config->cache->enable) {
return true;
}
$params = $this->getInterceptorParams($dispatcher);
if (!$params) {
return true;
}
$methodsAllow = $params['methods'];
/**
* @var \Phalcon\Http\Request $request
*/
$request = $di->getRequest();
$requestMethod = strtolower($request->getMethod());
if (false === in_array($requestMethod, $methodsAllow)) {
return true;
}
/**
* @var \Phalcon\Cache\Backend $cache
*/
$cache = $di->getViewCache();
$interceptResult = $this->intercept($request, $params, $cache);
//cache key matched, response already prepared
if (true === $interceptResult) {
$di->getResponse()->send();
return false;
}
$self = $this;
//Cache missed
/**
* @var \Phalcon\Events\Manager $eventsManager
*/
$eventsManager = $di->getEventsManager();
$eventsManager->attach('application:beforeSendResponse', function ($event, $application) use($self, $params) {
$bodyKey = $self->getCacheBodyKey();
$headersKey = $self->getCacheHeadersKey();
if (!$bodyKey || !$headersKey) {
return true;
}
/**
* @var \Phalcon\Http\ResponseInterface $response
*/
$response = $application->getDI()->getResponse();
$body = $response->getContent();
$headers = $response->getHeaders()->toArray();
$headersCache = array();
if ($headers) {
//Filter allowed headers
$headersCache = array_intersect_key($headers, array_flip($self->getCachableHeaderKeys()));
}
$headersCache[Dispatch::CACHE_HEADER_FLAG] = date(DATE_ISO8601);
$cache = $application->getDI()->getViewCache();
$request = $application->getDI()->getRequest();
$callbackKey = $params['jsonp_callback_key'];
//Jsonp change to json
if ($params['format'] == 'jsonp' && $callbackKey && ($callbackValue = $request->getQuery($callbackKey))) {
$body = Dispatch::changeJsonpToJson($body, $callbackValue);
}
$cache->save($bodyKey, $body, $params['lifetime']);
//$cache->save($headersKey, serialize($headersCache), $params['lifetime']);
$cache->save($headersKey, json_encode($headersCache), $params['lifetime']);
return true;
});
return true;
}
public function testJsonpToJson()
{
$this->assertEquals('', DispatchInterceptor::changeJsonpToJson('', 'abc'));
$this->assertEquals('{"foo":"bar"}', DispatchInterceptor::changeJsonpToJson('{"foo":"bar"}', 'abc'));
$this->assertEquals('{"foo":"bar"}', DispatchInterceptor::changeJsonpToJson('abc({"foo":"bar"})', 'abc'));
$this->assertEquals('{"foo":"bar"}', DispatchInterceptor::changeJsonpToJson(' abc({"foo":"bar"}); ', 'abc'));
}
