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152 lines
5.3 KiB
152 lines
5.3 KiB
<?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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use Symfony\Component\HttpFoundation\Exception\UnexpectedValueException; |
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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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* @template TInput of string|int|float|bool|null |
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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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* @template TDefault of string|int|float|bool|null |
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* |
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* @param TDefault $default The default value if the input key does not exist |
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* |
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* @return TDefault|TInput |
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* |
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* @throws BadRequestException if the input contains a non-scalar value |
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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 $default |
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* |
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* @return ?T |
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* |
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* @psalm-return ($default is null ? T|null : T) |
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* |
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* @throws BadRequestException if the input cannot be converted to an enum |
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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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* @throws BadRequestException if the input contains a non-scalar value |
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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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/** |
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* @throws BadRequestException if the input value is an array and \FILTER_REQUIRE_ARRAY or \FILTER_FORCE_ARRAY is not set |
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* @throws BadRequestException if the input value is invalid and \FILTER_NULL_ON_FAILURE is not set |
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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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throw new BadRequestException(\sprintf('Input value "%s" is invalid and flag "FILTER_NULL_ON_FAILURE" was not set.', $key)); |
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} |
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}
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