140 lines
4.9 KiB
PHP
140 lines
4.9 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation;
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use Symfony\Component\HttpFoundation\Exception\BadRequestException;
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/**
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* InputBag is a container for user input values such as $_GET, $_POST, $_REQUEST, and $_COOKIE.
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*
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* @author Saif Eddin Gmati <azjezz@protonmail.com>
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*/
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final class InputBag extends ParameterBag
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{
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/**
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* Returns a scalar input value by name.
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*
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* @param string|int|float|bool|null $default The default value if the input key does not exist
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*/
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public function get(string $key, mixed $default = null): string|int|float|bool|null
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{
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if (null !== $default && !\is_scalar($default) && !$default instanceof \Stringable) {
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throw new \InvalidArgumentException(sprintf('Expected a scalar value as a 2nd argument to "%s()", "%s" given.', __METHOD__, get_debug_type($default)));
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}
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$value = parent::get($key, $this);
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if (null !== $value && $this !== $value && !\is_scalar($value) && !$value instanceof \Stringable) {
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throw new BadRequestException(sprintf('Input value "%s" contains a non-scalar value.', $key));
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}
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return $this === $value ? $default : $value;
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}
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/**
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* Replaces the current input values by a new set.
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*/
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public function replace(array $inputs = []): void
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{
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$this->parameters = [];
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$this->add($inputs);
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}
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/**
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* Adds input values.
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*/
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public function add(array $inputs = []): void
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{
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foreach ($inputs as $input => $value) {
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$this->set($input, $value);
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}
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}
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/**
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* Sets an input by name.
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*
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* @param string|int|float|bool|array|null $value
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*/
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public function set(string $key, mixed $value): void
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{
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if (null !== $value && !\is_scalar($value) && !\is_array($value) && !$value instanceof \Stringable) {
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throw new \InvalidArgumentException(sprintf('Expected a scalar, or an array as a 2nd argument to "%s()", "%s" given.', __METHOD__, get_debug_type($value)));
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}
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$this->parameters[$key] = $value;
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}
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/**
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* Returns the parameter value converted to an enum.
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*
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* @template T of \BackedEnum
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*
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* @param class-string<T> $class
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* @param ?T $default
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*
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* @return ?T
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*/
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public function getEnum(string $key, string $class, \BackedEnum $default = null): ?\BackedEnum
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{
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try {
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return parent::getEnum($key, $class, $default);
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} catch (\UnexpectedValueException $e) {
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throw new BadRequestException($e->getMessage(), $e->getCode(), $e);
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}
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}
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/**
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* Returns the parameter value converted to string.
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*/
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public function getString(string $key, string $default = ''): string
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{
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// Shortcuts the parent method because the validation on scalar is already done in get().
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return (string) $this->get($key, $default);
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}
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public function filter(string $key, mixed $default = null, int $filter = \FILTER_DEFAULT, mixed $options = []): mixed
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{
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$value = $this->has($key) ? $this->all()[$key] : $default;
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// Always turn $options into an array - this allows filter_var option shortcuts.
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if (!\is_array($options) && $options) {
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$options = ['flags' => $options];
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}
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if (\is_array($value) && !(($options['flags'] ?? 0) & (\FILTER_REQUIRE_ARRAY | \FILTER_FORCE_ARRAY))) {
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throw new BadRequestException(sprintf('Input value "%s" contains an array, but "FILTER_REQUIRE_ARRAY" or "FILTER_FORCE_ARRAY" flags were not set.', $key));
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}
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if ((\FILTER_CALLBACK & $filter) && !(($options['options'] ?? null) instanceof \Closure)) {
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throw new \InvalidArgumentException(sprintf('A Closure must be passed to "%s()" when FILTER_CALLBACK is used, "%s" given.', __METHOD__, get_debug_type($options['options'] ?? null)));
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}
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$options['flags'] ??= 0;
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$nullOnFailure = $options['flags'] & \FILTER_NULL_ON_FAILURE;
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$options['flags'] |= \FILTER_NULL_ON_FAILURE;
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$value = filter_var($value, $filter, $options);
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if (null !== $value || $nullOnFailure) {
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return $value;
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}
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$method = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS | \DEBUG_BACKTRACE_PROVIDE_OBJECT, 2)[1];
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$method = ($method['object'] ?? null) === $this ? $method['function'] : 'filter';
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$hint = 'filter' === $method ? 'pass' : 'use method "filter()" with';
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trigger_deprecation('symfony/http-foundation', '6.3', 'Ignoring invalid values when using "%s::%s(\'%s\')" is deprecated and will throw a "%s" in 7.0; '.$hint.' flag "FILTER_NULL_ON_FAILURE" to keep ignoring them.', $this::class, $method, $key, BadRequestException::class);
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return false;
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}
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}
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