Symfony Profiler

<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Validator\Constraints;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\Constraints\Composite;
use Symfony\Component\Validator\Constraints\GroupSequence;
use Symfony\Component\Validator\Constraints\Valid;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class FormValidator extends ConstraintValidator
{
private $resolvedGroups;
/**
* {@inheritdoc}
*/
public function validate($form, Constraint $formConstraint)
{
if (!$formConstraint instanceof Form) {
throw new UnexpectedTypeException($formConstraint, Form::class);
}
if (!$form instanceof FormInterface) {
return;
}
/* @var FormInterface $form */
$config = $form->getConfig();
$validator = $this->context->getValidator()->inContext($this->context);
if ($form->isSubmitted() && $form->isSynchronized()) {
// Validate the form data only if transformation succeeded
$groups = $this->getValidationGroups($form);
if (!$groups) {
return;
}
$data = $form->getData();
// Validate the data against its own constraints
$validateDataGraph = $form->isRoot()
&& (\is_object($data) || \is_array($data))
&& (($groups && \is_array($groups)) || ($groups instanceof GroupSequence && $groups->groups))
;
// Validate the data against the constraints defined in the form
/** @var Constraint[] $constraints */
$constraints = $config->getOption('constraints', []);
$hasChildren = $form->count() > 0;
if ($hasChildren && $form->isRoot()) {
$this->resolvedGroups = new \SplObjectStorage();
}
if ($groups instanceof GroupSequence) {
// Validate the data, the form AND nested fields in sequence
$violationsCount = $this->context->getViolations()->count();
foreach ($groups->groups as $group) {
if ($validateDataGraph) {
$validator->atPath('data')->validate($data, null, $group);
}
if ($groupedConstraints = self::getConstraintsInGroups($constraints, $group)) {
$validator->atPath('data')->validate($data, $groupedConstraints, $group);
}
foreach ($form->all() as $field) {
if ($field->isSubmitted()) {
// remember to validate this field in one group only
// otherwise resolving the groups would reuse the same
// sequence recursively, thus some fields could fail
// in different steps without breaking early enough
$this->resolvedGroups[$field] = (array) $group;
$fieldFormConstraint = new Form();
$fieldFormConstraint->groups = $group;
$this->context->setNode($this->context->getValue(), $field, $this->context->getMetadata(), $this->context->getPropertyPath());
$validator->atPath(sprintf('children[%s]', $field->getName()))->validate($field, $fieldFormConstraint, $group);
}
}
if ($violationsCount < $this->context->getViolations()->count()) {
break;
}
}
} else {
if ($validateDataGraph) {
$validator->atPath('data')->validate($data, null, $groups);
}
$groupedConstraints = [];
foreach ($constraints as $constraint) {
// For the "Valid" constraint, validate the data in all groups
if ($constraint instanceof Valid) {
if (\is_object($data)) {
$validator->atPath('data')->validate($data, $constraint, $groups);
}
continue;
}
// Otherwise validate a constraint only once for the first
// matching group
foreach ($groups as $group) {
if (\in_array($group, $constraint->groups)) {
$groupedConstraints[$group][] = $constraint;
// Prevent duplicate validation
if (!$constraint instanceof Composite) {
continue 2;
}
}
}
}
foreach ($groupedConstraints as $group => $constraint) {
$validator->atPath('data')->validate($data, $constraint, $group);
}
foreach ($form->all() as $field) {
if ($field->isSubmitted()) {
$this->resolvedGroups[$field] = $groups;
$this->context->setNode($this->context->getValue(), $field, $this->context->getMetadata(), $this->context->getPropertyPath());
$validator->atPath(sprintf('children[%s]', $field->getName()))->validate($field, $formConstraint);
}
}
}
if ($hasChildren && $form->isRoot()) {
// destroy storage to avoid memory leaks
$this->resolvedGroups = new \SplObjectStorage();
}
} elseif (!$form->isSynchronized()) {
$childrenSynchronized = true;
/** @var FormInterface $child */
foreach ($form as $child) {
if (!$child->isSynchronized()) {
$childrenSynchronized = false;
$this->context->setNode($this->context->getValue(), $child, $this->context->getMetadata(), $this->context->getPropertyPath());
$validator->atPath(sprintf('children[%s]', $child->getName()))->validate($child, $formConstraint);
}
}
// Mark the form with an error if it is not synchronized BUT all
// of its children are synchronized. If any child is not
// synchronized, an error is displayed there already and showing
// a second error in its parent form is pointless, or worse, may
// lead to duplicate errors if error bubbling is enabled on the
// child.
// See also https://github.com/symfony/symfony/issues/4359
if ($childrenSynchronized) {
$clientDataAsString = is_scalar($form->getViewData())
? (string) $form->getViewData()
: \gettype($form->getViewData());
$failure = $form->getTransformationFailure();
$this->context->setConstraint($formConstraint);
$this->context->buildViolation($failure->getInvalidMessage() ?? $config->getOption('invalid_message'))
->setParameters(array_replace(
['{{ value }}' => $clientDataAsString],
$config->getOption('invalid_message_parameters'),
$failure->getInvalidMessageParameters()
))
->setInvalidValue($form->getViewData())
->setCode(Form::NOT_SYNCHRONIZED_ERROR)
->setCause($failure)
->addViolation();
}
}
// Mark the form with an error if it contains extra fields
if (!$config->getOption('allow_extra_fields') && \count($form->getExtraData()) > 0) {
$this->context->setConstraint($formConstraint);
$this->context->buildViolation($config->getOption('extra_fields_message', ''))
->setParameter('{{ extra_fields }}', '"'.implode('", "', array_keys($form->getExtraData())).'"')
->setInvalidValue($form->getExtraData())
->setCode(Form::NO_SUCH_FIELD_ERROR)
->addViolation();
}
}
/**
* Returns the validation groups of the given form.
*
* @return string|GroupSequence|array<string|GroupSequence> The validation groups
*/
private function getValidationGroups(FormInterface $form)
{
// Determine the clicked button of the complete form tree
$clickedButton = null;
if (method_exists($form, 'getClickedButton')) {
$clickedButton = $form->getClickedButton();
}
if (null !== $clickedButton) {
$groups = $clickedButton->getConfig()->getOption('validation_groups');
if (null !== $groups) {
return self::resolveValidationGroups($groups, $form);
}
}
do {
$groups = $form->getConfig()->getOption('validation_groups');
if (null !== $groups) {
return self::resolveValidationGroups($groups, $form);
}
if (isset($this->resolvedGroups[$form])) {
return $this->resolvedGroups[$form];
}
$form = $form->getParent();
} while (null !== $form);
return [Constraint::DEFAULT_GROUP];
}
/**
* Post-processes the validation groups option for a given form.
*
* @param string|GroupSequence|array<string|GroupSequence>|callable $groups The validation groups
*
* @return GroupSequence|array<string|GroupSequence> The validation groups
*/
private static function resolveValidationGroups($groups, FormInterface $form)
{
if (!\is_string($groups) && \is_callable($groups)) {
$groups = $groups($form);
}
if ($groups instanceof GroupSequence) {
return $groups;
}
return (array) $groups;
}
private static function getConstraintsInGroups($constraints, $group)
{
return array_filter($constraints, static function (Constraint $constraint) use ($group) {
return \in_array($group, $constraint->groups, true);
});
}
}

vendor/symfony/form/Extension/Validator/Constraints/FormValidator.php line 105