105 lines
4.3 KiB
PHP
105 lines
4.3 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\Validator\Constraints;
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use Egulias\EmailValidator\EmailValidator as EguliasEmailValidator;
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use Egulias\EmailValidator\Validation\EmailValidation;
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use Egulias\EmailValidator\Validation\NoRFCWarningsValidation;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\InvalidArgumentException;
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use Symfony\Component\Validator\Exception\LogicException;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Exception\UnexpectedValueException;
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/**
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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class EmailValidator extends ConstraintValidator
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{
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private const PATTERN_HTML5_ALLOW_NO_TLD = '/^[a-zA-Z0-9.!#$%&\'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/D';
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private const PATTERN_HTML5 = '/^[a-zA-Z0-9.!#$%&\'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+$/D';
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private const EMAIL_PATTERNS = [
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Email::VALIDATION_MODE_HTML5 => self::PATTERN_HTML5,
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Email::VALIDATION_MODE_HTML5_ALLOW_NO_TLD => self::PATTERN_HTML5_ALLOW_NO_TLD,
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];
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private string $defaultMode;
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public function __construct(string $defaultMode = Email::VALIDATION_MODE_HTML5)
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{
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if (!\in_array($defaultMode, Email::VALIDATION_MODES, true)) {
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throw new InvalidArgumentException('The "defaultMode" parameter value is not valid.');
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}
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$this->defaultMode = $defaultMode;
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}
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public function validate(mixed $value, Constraint $constraint): void
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{
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if (!$constraint instanceof Email) {
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throw new UnexpectedTypeException($constraint, Email::class);
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}
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if (null === $value || '' === $value) {
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return;
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}
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if (!\is_scalar($value) && !$value instanceof \Stringable) {
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throw new UnexpectedValueException($value, 'string');
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}
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$value = (string) $value;
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if ('' === $value) {
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return;
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}
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if (null !== $constraint->normalizer) {
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$value = ($constraint->normalizer)($value);
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}
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if (null === $constraint->mode) {
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if (Email::VALIDATION_MODE_STRICT === $this->defaultMode && !class_exists(EguliasEmailValidator::class)) {
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throw new LogicException(\sprintf('The "egulias/email-validator" component is required to make the "%s" constraint default to strict mode. Try running "composer require egulias/email-validator".', Email::class));
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}
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$constraint->mode = $this->defaultMode;
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}
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if (!\in_array($constraint->mode, Email::VALIDATION_MODES, true)) {
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throw new InvalidArgumentException(\sprintf('The "%s::$mode" parameter value is not valid.', get_debug_type($constraint)));
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}
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if (Email::VALIDATION_MODE_STRICT === $constraint->mode) {
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$strictValidator = new EguliasEmailValidator();
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if (interface_exists(EmailValidation::class) && !$strictValidator->isValid($value, new NoRFCWarningsValidation())) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(Email::INVALID_FORMAT_ERROR)
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->addViolation();
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} elseif (!interface_exists(EmailValidation::class) && !$strictValidator->isValid($value, false, true)) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(Email::INVALID_FORMAT_ERROR)
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->addViolation();
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}
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} elseif (!preg_match(self::EMAIL_PATTERNS[$constraint->mode], $value)) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(Email::INVALID_FORMAT_ERROR)
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->addViolation();
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}
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}
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}
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