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<?php |
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/* |
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* This file is part of Respect/Validation. |
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* |
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* (c) Alexandre Gomes Gaigalas <[email protected]> |
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* |
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* For the full copyright and license information, please view the "LICENSE.md" |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Respect\Validation\Rules; |
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use Respect\Validation\Exceptions\DomainException; |
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use Respect\Validation\Exceptions\NestedValidationException; |
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use Respect\Validation\Exceptions\ValidationException; |
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use Respect\Validation\Validatable; |
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use function array_merge; |
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use function array_pop; |
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use function count; |
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use function explode; |
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use function iterator_to_array; |
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use function mb_substr_count; |
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/** |
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* Validates whether the input is a valid domain name or not. |
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* |
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* @author Alexandre Gomes Gaigalas <[email protected]> |
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* @author Henrique Moody <[email protected]> |
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* @author Mehmet Tolga Avcioglu <[email protected]> |
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* @author Nick Lombard <[email protected]> |
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* @author Róbert Nagy <[email protected]> |
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*/ |
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final class Domain extends AbstractRule |
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{ |
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/** |
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* @var Validatable |
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*/ |
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private $genericRule; |
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/** |
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* @var Validatable |
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*/ |
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private $tldRule; |
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/** |
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* @var Validatable |
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*/ |
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private $partsRule; |
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public function __construct(bool $tldCheck = true) |
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{ |
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$this->genericRule = $this->createGenericRule(); |
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$this->tldRule = $this->createTldRule($tldCheck); |
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$this->partsRule = $this->createPartsRule(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function assert($input): void |
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{ |
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$exceptions = []; |
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$this->collectAssertException($exceptions, $this->genericRule, $input); |
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$this->throwExceptions($exceptions, $input); |
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$parts = explode('.', (string) $input); |
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if (count($parts) >= 2) { |
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$this->collectAssertException($exceptions, $this->tldRule, array_pop($parts)); |
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} |
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foreach ($parts as $part) { |
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$this->collectAssertException($exceptions, $this->partsRule, $part); |
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} |
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$this->throwExceptions($exceptions, $input); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function validate($input): bool |
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{ |
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try { |
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$this->assert($input); |
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} catch (ValidationException $exception) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* @param ValidationException[] $exceptions |
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* @param mixed $input |
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*/ |
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private function collectAssertException(array &$exceptions, Validatable $validator, $input): void |
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{ |
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try { |
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$validator->assert($input); |
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} catch (NestedValidationException $nestedValidationException) { |
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$exceptions = array_merge( |
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$exceptions, |
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iterator_to_array($nestedValidationException) |
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); |
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} catch (ValidationException $validationException) { |
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$exceptions[] = $validationException; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function check($input): void |
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{ |
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try { |
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$this->assert($input); |
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} catch (NestedValidationException $exception) { |
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/** @var ValidationException $childException */ |
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$childException = $exception->getIterator()->current(); |
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throw $childException; |
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} |
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} |
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private function createGenericRule(): Validatable |
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{ |
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return new AllOf( |
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new StringType(), |
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new NoWhitespace(), |
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new Contains('.'), |
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new Length(3) |
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); |
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} |
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private function createTldRule(bool $realTldCheck): Validatable |
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{ |
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if ($realTldCheck) { |
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return new Tld(); |
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} |
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return new AllOf( |
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new Not(new StartsWith('-')), |
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new NoWhitespace(), |
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new Length(2) |
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); |
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} |
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private function createPartsRule(): Validatable |
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{ |
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return new AllOf( |
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new Alnum('-'), |
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new Not(new StartsWith('-')), |
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new AnyOf( |
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new Not(new Contains('--')), |
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new Callback(static function ($str) { |
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return mb_substr_count($str, '--') == 1; |
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}) |
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), |
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new Not(new EndsWith('-')) |
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); |
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} |
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/** |
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* @param ValidationException[] $exceptions |
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* @param mixed $input |
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*/ |
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private function throwExceptions(array $exceptions, $input): void |
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{ |
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if (count($exceptions)) { |
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/** @var DomainException $domainException */ |
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$domainException = $this->reportError($input); |
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$domainException->addChildren($exceptions); |
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throw $domainException; |
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} |
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} |
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} |
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Respect /
Validation
