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<?php
namespace Illuminate\Foundation\Http;
use Illuminate\Http\Request;
use Illuminate\Routing\Redirector;
use Illuminate\Contracts\Container\Container;
use Illuminate\Contracts\Validation\Validator;
use Illuminate\Validation\ValidationException;
use Illuminate\Auth\Access\AuthorizationException;
use Illuminate\Validation\ValidatesWhenResolvedTrait;
use Illuminate\Contracts\Validation\ValidatesWhenResolved;
use Illuminate\Contracts\Validation\Factory as ValidationFactory;
class FormRequest extends Request implements ValidatesWhenResolved
{
use ValidatesWhenResolvedTrait;
/**
* The container instance.
*
* @var \Illuminate\Contracts\Container\Container
*/
protected $container;
/**
* The redirector instance.
*
* @var \Illuminate\Routing\Redirector
*/
protected $redirector;
/**
* The URI to redirect to if validation fails.
*
* @var string
*/
protected $redirect;
/**
* The route to redirect to if validation fails.
*
* @var string
*/
protected $redirectRoute;
/**
* The controller action to redirect to if validation fails.
*
* @var string
*/
protected $redirectAction;
/**
* The key to be used for the view error bag.
*
* @var string
*/
protected $errorBag = 'default';
/**
* Get the validator instance for the request.
*
* @return \Illuminate\Contracts\Validation\Validator
*/
protected function getValidatorInstance()
{
$factory = $this->container->make(ValidationFactory::class);
if (method_exists($this, 'validator')) {
$validator = $this->container->call([$this, 'validator'], compact('factory'));
} else {
$validator = $this->createDefaultValidator($factory);
}
if (method_exists($this, 'withValidator')) {
$this->withValidator($validator);
}
return $validator;
}
/**
* Create the default validator instance.
*
* @param \Illuminate\Contracts\Validation\Factory $factory
* @return \Illuminate\Contracts\Validation\Validator
*/
protected function createDefaultValidator(ValidationFactory $factory)
{
return $factory->make(
$this->validationData(), $this->container->call([$this, 'rules']),
$this->messages(), $this->attributes()
);
}
/**
* Get data to be validated from the request.
*
* @return array
*/
protected function validationData()
{
return $this->all();
}
/**
* Handle a failed validation attempt.
*
* @param \Illuminate\Contracts\Validation\Validator $validator
* @return void
*
* @throws \Illuminate\Validation\ValidationException
*/
protected function failedValidation(Validator $validator)
{
throw (new ValidationException($validator))
->errorBag($this->errorBag)
->redirectTo($this->getRedirectUrl());
}
/**
* Get the URL to redirect to on a validation error.
*
* @return string
*/
protected function getRedirectUrl()
{
$url = $this->redirector->getUrlGenerator();
if ($this->redirect) {
return $url->to($this->redirect);
} elseif ($this->redirectRoute) {
return $url->route($this->redirectRoute);
} elseif ($this->redirectAction) {
return $url->action($this->redirectAction);
}
return $url->previous();
}
/**
* Determine if the request passes the authorization check.
*
* @return bool
*/
protected function passesAuthorization()
{
if (method_exists($this, 'authorize')) {
return $this->container->call([$this, 'authorize']);
}
return false;
}
/**
* Handle a failed authorization attempt.
*
* @return void
*
* @throws \Illuminate\Auth\Access\AuthorizationException
*/
protected function failedAuthorization()
{
throw new AuthorizationException('This action is unauthorized.');
}
/**
* Get the validated data from the request.
*
* @return array
*/
public function validated()
{
$rules = $this->container->call([$this, 'rules']);
return $this->only(collect($rules)->keys()->map(function ($rule) {
return str_contains($rule, '.') ? explode('.', $rule)[0] : $rule;
})->unique()->toArray());
}
/**
* Get custom messages for validator errors.
*
* @return array
*/
public function messages()
{
return [];
}
/**
* Get custom attributes for validator errors.
*
* @return array
*/
public function attributes()
{
return [];
}
/**
* Set the Redirector instance.
*
* @param \Illuminate\Routing\Redirector $redirector
* @return $this
*/
public function setRedirector(Redirector $redirector)
{
$this->redirector = $redirector;
return $this;
}
/**
* Set the container implementation.
*
* @param \Illuminate\Contracts\Container\Container $container
* @return $this
*/
public function setContainer(Container $container)
{
$this->container = $container;
return $this;
}
}
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