Linna\Filter\Rules\Ip

Complexity

Total Complexity

5

Size/Duplication

Total Lines	58
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	validate()	0	5	1
A	concreteValidate()	0	12	3
A	getMessage()	0	3	1

<?php

/**
 * Linna Filter
 *
 * @author Sebastian Rapetti <sebastian.rapetti@alice.it>
 * @copyright (c) 2018, Sebastian Rapetti
 * @license http://opensource.org/licenses/MIT MIT License
 */
declare(strict_types=1);

namespace Linna\Filter\Rules;

/**
 * Check if provided ip is valid.
 * Support Ipv4 and Ipv6.
 */
class Ip implements RuleValidateInterface
{
    /**
     * @var array Rule properties
     */
    public static $config = [
        'full_class' => __CLASS__,
        'alias' => ['ip'],
        'args_count' => 0,
        'args_type' => []
    ];

    /**
     * @var string Error message
     */
    private $message = '';

    /**
     * Validate.
     *
     * @return bool
     */
    public function validate(): bool
    {
        $args = \func_get_args();

        return $this->concreteValidate($args[0]);
    }

    /**
     * Concrete validate.
     *
     * @param string $received
     *
     * @return bool
     */
    private function concreteValidate(string $received): bool
    {
        if (\filter_var($received, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
            return false;
        }

        if (\filter_var($received, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
            return false;
        }

        $this->message = 'Received value is not a valid ip address';
        return true;
    }

    /**
     * Return error message.
     *
     * @return string Error message
     */
    public function getMessage(): string
    {
        return $this->message;
    }
}