75 lines
1.7 KiB
PHP
75 lines
1.7 KiB
PHP
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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 <alexandre@gaigalas.net>
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*
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* For the full copyright and license information, please view the LICENSE file
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* 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 Egulias\EmailValidator\EmailValidator;
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use Egulias\EmailValidator\Validation\RFCValidation;
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use function class_exists;
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use function filter_var;
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use function is_string;
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use const FILTER_VALIDATE_EMAIL;
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/**
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* Validates an email address.
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*
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* @author Andrey Kolyshkin <a.kolyshkin@semrush.com>
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* @author Eduardo Gulias Davis <me@egulias.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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* @author Paul Karikari <paulkarikari1@gmail.com>
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*/
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final class Email extends AbstractRule
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{
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/**
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* @var EmailValidator|null
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*/
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private $validator;
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/**
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* Initializes the rule assigning the EmailValidator instance.
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*
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* If the EmailValidator instance is not defined, tries to create one.
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*/
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public function __construct(?EmailValidator $validator = null)
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{
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$this->validator = $validator ?: $this->createEmailValidator();
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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if (!is_string($input)) {
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return false;
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}
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if ($this->validator !== null) {
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return $this->validator->isValid($input, new RFCValidation());
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}
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return (bool) filter_var($input, FILTER_VALIDATE_EMAIL);
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}
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private function createEmailValidator(): ?EmailValidator
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{
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if (class_exists(EmailValidator::class)) {
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return new EmailValidator();
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}
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return null;
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}
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}
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