i am new on Simfony and I am trying to set a Content-Length header in my response.
This is my controller action:
public function homepageAction() {
$content= $this>renderView('AcmeBlogBundle:Pages/homepage:homepage_content.html.twig');
$response= new Response();
$response->setContent($content);
$response->headers->set('Content-Length: 1736233495'); // value added manually
return $response;
} // homepage
i obtain an error 500 internal server error.
Did you try to $response->headers->set('Content-Length', 1736233495); ?
EDIT : Documentation
Maybe the "-" missing in the "$this>renderView" part ?
Related
I am having trouble with Webhook Endpoints.
#[Route("/web_hook", name: 'web_hook')]
public function webhook(Request $request)
{
$data = json_decode($request->getContent(), true);
if ($data === null){
throw new \Exception('bad bad');
}
$txt = 'samle of some text text text';
$myfile = fopen("test.txt", "w") or die("Unable to open file!");
fwrite($myfile, $txt);
fwrite($myfile, $data->id);
fclose($myfile);
$response = new Response();
$response->setStatusCode(200);
return $response;
}
I am having 0 luck getting it to work, I am sending a POST request to it VIA Postman and it keeps coming back with error 500.
When I visit then URL it gives me this error
"Cannot autowire argument $request of "App\Controller\WebHookController::webhook()": it references class "Symfony\Component\HTTPFoundation\Request" but no such service exists.
"
I based this method off of
https://symfonycasts.com/screencast/stripe-level2/webhook-endpoint-setup.
any ideas on what im doing wrong would be greatly appreciated.
if you get error message like this
Cannot autowire argument $request of
"App\Controller\WebHookController::webhook()": it references class
"Symfony\Component\HTTPFoundation\Request" but no such service exists.
mean this service is not available. please try install http-foundation component first.
composer require symfony/http-foundation
and try to change use Symfony\Component\HTTPFoundation\Request to use Symfony\Component\HttpFoundation\Request
I create a new site in symfony3 following the getting started section in the official symfony documentation in https://symfony.com/doc/current/setup.html
Everything is working ok.. if I put mydomain.com as the URL, the framework add /en or the correct local.
My question is if there is a way that if the user do a deeplink to mydomain.com/blog the framework found that the local is not present so it can add and transform the url to mydomain.com/en/blog
I'm not adding the code as it is the default one. Let me know if you need it.
There are multiple ways to do this. Probably the easiest is to have an EventSubscriber or -Listener that catches request without a locale and then handles adding that information. Since you based your project on the demo application you might want to look at their solution: https://github.com/symfony/demo/blob/master/src/EventSubscriber/RedirectToPreferredLocaleSubscriber.php
The steps to perform in your event handler are roughly these:
Listen to kernel.request event
Return early based on some criteria, e.g. homepage, a cookie with the language is set, or something else
Detect the language either by getting the default locale or determining from your available locales and the browser header which language fits best (see: https://github.com/willdurand/Negotiation#language-negotiation)
Redirect, add the locale as attribute to request, write the currently set language to a cookie, or whatever else you need to do to change the route
Thanks to #dbrumann I get to this solution... For sure it can be improve to use less code but it just did the trick.
I updated the onKernelRequest method in RedirectToPreferredLocaleSubscriber class
public function onKernelRequest(GetResponseEvent $event): void
{
$request = $event->getRequest();
$path = explode('/',$request->getPathInfo());
$hasLocale = false;
foreach ($this->locales as $key => $l) {
if($l == $path[1]){
$hasLocale = true;
}
}
if(!$hasLocale){
// Ignore sub-requests and all URLs but the homepage
if (!$event->isMasterRequest() || '/' !== $request->getPathInfo()) {
$preferredLanguage = $request->getPreferredLanguage($this->locales);
if ($preferredLanguage !== $this->defaultLocale) {
$url = "";
foreach ($path as $key => $p) {
if($key > 0){
$url .= "/" . $p;
}
}
//print_r('/' . $preferredLanguage . $url);exit;
$response = new RedirectResponse('/' . $preferredLanguage . $url);
$event->setResponse($response);
}
}
else{
// Ignore requests from referrers with the same HTTP host in order to prevent
// changing language for users who possibly already selected it for this application.
if (0 === mb_stripos($request->headers->get('referer'), $request->getSchemeAndHttpHost())) {
return;
}
$preferredLanguage = $request->getPreferredLanguage($this->locales);
if ($preferredLanguage !== $this->defaultLocale) {
$response = new RedirectResponse($this->urlGenerator->generate('homepage', ['_locale' => $preferredLanguage]));
$event->setResponse($response);
}
}
}
}
I would want to use Nginx X-Accel with Symfony, for the moment I've this code.
$request->headers->set('X-Sendfile-Type', 'X-Accel-Redirect');
$request->headers->set('X-Accel-Mapping', '/var/www/html/files/=/protected-files/');
$request->headers->set('X-Accel-Limit-Rate', '1k');
BinaryFileResponse::trustXSendfileTypeHeader();
$response = new BinaryFileResponse($file->getAbsolutePath());
$response->headers->set('Content-Disposition', 'attachment;filename="'.$filename.'"');
$response->headers->set('Cache-Control', 'no-cache');
return $response;
And the Nginx Conf:
location /protected-files {
internal;
alias /var/www/html/files;
}
To test the code (know if the file is really served by Nginx), I've add a X-Accel-Limit-Rate on 1ko/s, but a 2Mo file is downloaded instantly, then I'm sure, it doesn't work fine.
I've find this part of code on internet, because the Symfony doc, doesn't really explain how to use it... (http://symfony.com/doc/current/components/http_foundation.html#serving-files)
Why I need to return a BinaryResponse with the file, like without Nginx X-Sendfile, and add the X-Sendfile, X-Accel properties in the resuqest ? I just return the response, no the request, how it can work ?
Finally, I move the X-Accel part from $request to $response, and just set X-Accel-Redirect header.
If we want limit the download speed, we can use $request->headers->set('X-Accel-Limit-Rate', 10000);, it works well, the number is in bytes.
Then I've change the $response->headers->set('Content-Disposition', 'attachment;filename="'.$filename.'"'); to $response->setContentDisposition(ResponseHeaderBag::DISPOSITION_ATTACHMENT, $filename);
The final code is:
BinaryFileResponse::trustXSendfileTypeHeader();
$response = new BinaryFileResponse($file->getAbsolutePath());
$response->setContentDisposition(
ResponseHeaderBag::DISPOSITION_ATTACHMENT,
$filename
);
$response->headers->set('X-Accel-Redirect', '/protected-files/path/to/file');
return $response;
And in Nginx:
location /protected-files/ {
internal;
alias /var/www/html/files/;
}
How can I redirect to an external URL within a symfony action?
I tried this options :
1- return $this->redirect("www.example.com");
Error : No route found for "GET /www.example.com"
2- $this->redirect("www.example.com");
Error : The controller must return a response (null given).
3- $response = new Response();
$response->headers->set("Location","www.example.com");
return $response
No Error but blank page !
Answer to your question is in official Symfony book.
http://symfony.com/doc/current/book/controller.html#redirecting
public function indexAction()
{
return $this->redirect('http://stackoverflow.com');
// return $this->redirect('http://stackoverflow.com', 301); - for changing HTTP status code from 302 Found to 301 Moved Permanently
}
What is the "URL"? Do you have really defined route for this pattern? If not, then not found error is absolutelly correct. If you want to redirect to external site, always use absolute URL format.
You have to use RedirectResponse instead of Response
use Symfony\Component\HttpFoundation\RedirectResponse;
And then:
return new RedirectResponse('http://your.location.com');
My understanding of kernel.terminate is that it triggers after the response has been returned to the client.
In my testing tough, this does not appear to be the case. If I put a sleep(10) in the function that's called on kernel.terminate. the browser also waits for 10 seconds. The processing seems to be happening before the response is sent.
I have the following in config:
calendar:
class: Acme\CalendarBundle\Service\CalendarService
arguments: [ #odm.document_manager, #logger, #security.context, #event_dispatcher ]
tags:
- { name: kernel.event_subscriber }
My subscriber class:
class CalendarService implements EventSubscriberInterface
{
public static function getSubscribedEvents()
{
return array(
'kernel.terminate' => 'onKernelTerminate'
);
}
public function onKernelTerminate()
{
sleep(10);
echo "hello";
}
}
UPDATE
This appears to be related to Symfony not sending a Content-Length header. If I generate that, the response return properly.
// app_dev.php
...
$kernel = new AppKernel('dev', true);
$kernel->loadClassCache();
$request = Request::createFromGlobals();
$response = $kernel->handle($request);
// --- START EDITS ---
$size = strlen($response->getContent());
$response->headers->set('Content-Length', $size);
$response->headers->set('Connection', 'close');
// ---- END EDITS ----
$response->send();
$kernel->terminate($request, $response);
This issue turned out to be very specific to my setup (Nginx, PHP-FCGI, Symfony).
There were a handful of issues in play that caused the issue:
Symfony does not include a Content-Length nor Connection: close header
PHP-FCGI does not support the fastcgi_finish_request function
Nginx buffers the response from PHP-FCGI because Gzip is on
The solution was to switch from PHP-FCGI to PHP-FPM in order to get support for fastcgi_finish_request. Symfony internally calls this before executing the kernel terminate logic thereby definitively closing the connection.
Another way to solve this would be to turn off Gzip on Nginx, but this wasn't really an option for me.