fkooman\VPN\Server\InputValidation

Complexity

Total Complexity

20

Size/Duplication

Total Lines	73
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Importance

Changes	6
Bugs	1	Features	1

8 Methods

Rating	Name	Duplication	Size	Complexity
A	commonName()	0	9	3
A	userId()	0	9	3
A	disable()	0	6	2
A	otpKey()	0	6	2
A	otpSecret()	0	6	2
A	vootToken()	0	9	4
A	dateTime()	0	6	2
A	ipAddress()	0	6	2

<?php
/**
 * Copyright 2016 François Kooman <fkooman@tuxed.net>.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace fkooman\VPN\Server;

use fkooman\Http\Exception\BadRequestException;

class InputValidation
{
    const COMMON_NAME_PATTERN = '/^[a-zA-Z0-9-_.@]+$/';
    const USER_ID_PATTERN = '/^[a-zA-Z0-9-_.@]+$/';
    const OTP_KEY_PATTERN = '/^[0-9]{6}$/';
    const OTP_SECRET_PATTERN = '/^[A-Z0-9]{16}$/';
    const ACCESS_TOKEN_PATTERN = '/^[\x20-\x7E]+$/';

    public static function commonName($commonName)
    {
        if (0 === preg_match(self::COMMON_NAME_PATTERN, $commonName)) {
            throw new BadRequestException('invalid value for "common_name"');
        }
        if ('..' === $commonName) {
            throw new BadRequestException('"common_name" cannot be ".."');
        }
    }

    public static function userId($userId)
    {
        if (0 === preg_match(self::USER_ID_PATTERN, $userId)) {
            throw new BadRequestException('invalid value for "user_id"');
        }
        if ('..' === $userId) {
            throw new BadRequestException('"user_id" cannot be ".."');
        }
    }

    public static function disable($disable)
    {
        if (!is_bool($disable)) {
            throw new BadRequestException('"disable" must be boolean');
        }
    }

    public static function otpKey($otpKey)
    {
        if (0 === preg_match(self::OTP_KEY_PATTERN, $otpKey)) {
            throw new BadRequestException('invalid OTP key format');
        }
    }

    public static function otpSecret($otpSecret)
    {
        if (0 === preg_match(self::OTP_SECRET_PATTERN, $otpSecret)) {
            throw new BadRequestException('invalid OTP secret format');
        }
    }

    public static function vootToken($vootToken)
    {
        if (!is_string($vootToken) || 0 >= strlen($vootToken)) {
            throw new BadRequestException('voot token must be non-empty string');
        }
        if (0 === preg_match(self::ACCESS_TOKEN_PATTERN, $vootToken)) {
            throw new BadRequestException('invalid value for "vootToken"');
        }
    }

    public static function dateTime($dateTime)
    {
        if (false === strtotime($dateTime)) {
            throw new BadRequestException('invalid date/time format');
        }
    }

    public static function ipAddress($ipAddress)
    {
        if (false === filter_var($ipAddress, FILTER_VALIDATE_IP)) {
            throw new BadRequestException('invalid IP address');
        }
    }
}