Skyzyx\StrongTypes\StringType\Email

Complexity

Total Complexity

12

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	3
Bugs	0	Features	1

1 Method

Rating	Name	Duplication	Size	Complexity
C	validate()	0	39	12

<?php
/**
 * Copyright (c) 2014-2016 Ryan Parman.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * http://opensource.org/licenses/MIT
 */

namespace Skyzyx\StrongTypes\StringType;

use Exception;
use UnexpectedValueException;
use Skyzyx\StrongTypes\StringType;

/**
 * Not RFC-valid, but that's on purpose. In general, this validates e-mail addresses against the syntax in
 * RFC 822 (obsolete), with the exceptions that comments and whitespace folding are not supported. Also, IP address
 * hosts are explicitly disallowed.
 *
 * @see http://tools.ietf.org/html/rfc822
 * @see http://tools.ietf.org/html/rfc2822
 * @see http://tools.ietf.org/html/rfc5322
 * @see http://markonphp.com/properly-validate-email-address-php/
 */
class Email extends StringType
{
    /**
     * {@inheritdoc}
     */
    public function validate()
    {
        // @codeCoverageIgnoreStart
        if (!function_exists('idn_to_ascii') && !class_exists('\idna_convert')) {
            throw new Exception('Unable to convert punycode. Either install the PHP Intl extension, or the mabrahamde/idna-converter Composer package.');

This line exceeds maximum limit of 120 characters; contains 153 characters

        }

        // Use PHP Intl first
        if (function_exists('idn_to_ascii')) {
            $email = idn_to_ascii($this->value);

        // Fall back to the idna_convert class
        } elseif (class_exists('\idna_convert')) {
            $idn = new \idna_convert([
                'idn_version' => 2008
            ]);

            $email = $idn->encode($this->value);

        // Fall back to no conversion
        } else {
            $email = $this->value;
        }
        // @codeCoverageIgnoreEnd

        if (!(
            filter_var($email, FILTER_VALIDATE_EMAIL) && // RFC 822 (obsolete). Exceptions: no comments, no whitespace
            preg_match('/@.+\./', $email) &&             // Standard email formatting

Expected 1 space after logical operator; 13 found

            !preg_match('/@\[/', $email) &&              // Disallow IPv6 domains

Expected 1 space after logical operator; 14 found

            !preg_match('/".+@/', $email) &&             // Disallow quotes

Expected 1 space after logical operator; 13 found

            !preg_match('/=.+@/', $email) &&             // Disallow equals

Expected 1 space after logical operator; 13 found

            !preg_match('/localhost/i', $email) &&       // Disallow localhost

Expected 1 space after logical operator; 7 found

            !preg_match('/localdomain/i', $email)        // Disallow localdomain
        )) {
            throw new UnexpectedValueException(
                sprintf('The value "%s" is not a valid email address.', $this->value)
            );
        }
    }
}