Symfony Profiler

<?php
/*
* This file is part of the FOSRestBundle package.
*
* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FOS\RestBundle\Request;
use FOS\RestBundle\Controller\Annotations\ParamInterface;
use FOS\RestBundle\Exception\InvalidParameterException;
use FOS\RestBundle\Util\ResolverTrait;
use FOS\RestBundle\Validator\Constraints\ResolvableConstraintInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintViolationList;
use Symfony\Component\Validator\Validator\ValidatorInterface;
use Symfony\Component\Validator\Exception\ValidatorException;
use Symfony\Component\Validator\ConstraintViolation;
/**
* Helper to validate parameters of the active request.
*
* @author Alexander <iam.asm89@gmail.com>
* @author Lukas Kahwe Smith <smith@pooteeweet.org>
* @author Jordi Boggiano <j.boggiano@seld.be>
* @author Boris Guéry <guery.b@gmail.com>
*/
class ParamFetcher implements ParamFetcherInterface
{
use ResolverTrait;
private $container;
private $parameterBag;
private $requestStack;
private $validator;
/**
* Initializes fetcher.
*
* @param ContainerInterface $container
* @param ParamReaderInterface $paramReader
* @param RequestStack $requestStack
* @param ValidatorInterface $validator
*/
public function __construct(ContainerInterface $container, ParamReaderInterface $paramReader, RequestStack $requestStack, ValidatorInterface $validator = null)
{
$this->container = $container;
$this->requestStack = $requestStack;
$this->validator = $validator;
$this->parameterBag = new ParameterBag($paramReader);
}
/**
* {@inheritdoc}
*/
public function setController($controller)
{
$this->parameterBag->setController($this->getRequest(), $controller);
}
/**
* Add additional params to the ParamFetcher during runtime.
*
* Note that adding a param that has the same name as an existing param will override that param.
*
* @param ParamInterface $param
*/
public function addParam(ParamInterface $param)
{
$this->parameterBag->addParam($this->getRequest(), $param);
}
/**
* @return ParamInterface[]
*/
public function getParams()
{
return $this->parameterBag->getParams($this->getRequest());
}
/**
* {@inheritdoc}
*/
public function get($name, $strict = null)
{
$params = $this->getParams();
if (!array_key_exists($name, $params)) {
throw new \InvalidArgumentException(sprintf("No @ParamInterface configuration for parameter '%s'.", $name));
}
/** @var ParamInterface $param */
$param = $params[$name];
$default = $param->getDefault();
$default = $this->resolveValue($this->container, $default);
$strict = (null !== $strict ? $strict : $param->isStrict());
$paramValue = $param->getValue($this->getRequest(), $default);
return $this->cleanParamWithRequirements($param, $paramValue, $strict, $default);
}
/**
* @param ParamInterface $param
* @param mixed $paramValue
* @param bool $strict
* @param mixed $default
*
* @throws BadRequestHttpException
* @throws \RuntimeException
*
* @return mixed
*
* @internal
*/
protected function cleanParamWithRequirements(ParamInterface $param, $paramValue, $strict, $default)
{
$this->checkNotIncompatibleParams($param);
if (null !== $default && $default === $paramValue) {
return $paramValue;
}
$constraints = $param->getConstraints();
$this->resolveConstraints($constraints);
if (empty($constraints)) {
return $paramValue;
}
if (null === $this->validator) {
throw new \RuntimeException(
'The ParamFetcher requirements feature requires the symfony/validator component.'
);
}
try {
$errors = $this->validator->validate($paramValue, $constraints);
} catch (ValidatorException $e) {
$violation = new ConstraintViolation(
$e->getMessage(),
$e->getMessage(),
array(),
$paramValue,
'',
null,
null,
$e->getCode()
);
$errors = new ConstraintViolationList(array($violation));
}
if (0 < count($errors)) {
if ($strict) {
throw InvalidParameterException::withViolations($param, $errors);
}
return null === $default ? '' : $default;
}
return $paramValue;
}
/**
* {@inheritdoc}
*/
public function all($strict = null)
{
$configuredParams = $this->getParams();
$params = [];
foreach ($configuredParams as $name => $param) {
$params[$name] = $this->get($name, $strict);
}
return $params;
}
/**
* Check if current param is not in conflict with other parameters
* according to the "incompatibles" field.
*
* @param ParamInterface $param the configuration for the param fetcher
*
* @throws InvalidArgumentException
* @throws BadRequestHttpException
*
* @internal
*/
protected function checkNotIncompatibleParams(ParamInterface $param)
{
if (null === $param->getValue($this->getRequest(), null)) {
return;
}
$params = $this->getParams();
foreach ($param->getIncompatibilities() as $incompatibleParamName) {
if (!array_key_exists($incompatibleParamName, $params)) {
throw new \InvalidArgumentException(sprintf("No @ParamInterface configuration for parameter '%s'.", $incompatibleParamName));
}
$incompatibleParam = $params[$incompatibleParamName];
if (null !== $incompatibleParam->getValue($this->getRequest(), null)) {
$exceptionMessage = sprintf(
"'%s' param is incompatible with %s param.",
$param->getName(),
$incompatibleParam->getName()
);
throw new BadRequestHttpException($exceptionMessage);
}
}
}
/**
* @param Constraint[] $constraints
*/
private function resolveConstraints(array $constraints)
{
foreach ($constraints as $constraint) {
if ($constraint instanceof ResolvableConstraintInterface) {
$constraint->resolve($this->container);
}
}
}
/**
* @throws \RuntimeException
*
* @return Request
*/
private function getRequest()
{
$request = $this->requestStack->getCurrentRequest();
if (null === $request) {
throw new \RuntimeException('There is no current request.');
}
return $request;
}
}

vendor/friendsofsymfony/rest-bundle/Request/ParamFetcher.php line 36