OneTimePasswordValidator::validate() - Code Metrics - 2amigos/2fa-library - Measure and Improve Code Quality continuously with Scrutinizer

OneTimePasswordValidator::validate() A
last analyzed 2020-01-31 22:43 UTC

↳ Parent: OneTimePasswordValidator

Complexity

Conditions	4
Paths	4

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	13
rs	9.8333
c	0
b	0
f	0
cc	4
nc	4
nop	1

<?php

/*
 * This file is part of the 2amigos/2fa-library project.
 *
 * (c) 2amigOS! <http://2amigos.us/>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Da\TwoFA\Validator;

use Da\TwoFA\Contracts\ValidatorInterface;
use Da\TwoFA\Traits\OathTrait;

class OneTimePasswordValidator implements ValidatorInterface
{
    use OathTrait;

    /**
     * @var string
     */
    protected $seed;
    /**
     * @var int
     */
    protected $cycles;
    /**
     * @var int
     */
    protected $startTime;
    /**
     * @var int
     */
    protected $time;
    /**
     * @var int|null
     */
    protected $previousTime;

    /**
     * OneTimePasswordValidator constructor.
     *
     * @param string   $seed
     * @param int      $cycles
     * @param int      $tokenLength
     * @param int      $startTime
     * @param int      $time
     * @param int|null $previousTime
     */
    public function __construct(
        string $seed,
        int $cycles,
        int $tokenLength,
        int $startTime,
        int $time,
        int $previousTime = null
    ) {
        $this->seed = $seed;
        $this->cycles = $cycles;
        $this->tokenLength = $tokenLength;
        $this->startTime = $startTime;
        $this->time = $time;
        $this->previousTime = $previousTime;
    }

    /**
     * Validates OTP. If `$previousTime` has been added, it will return the `$startTime`, otherwise it will return a
     * bool value. This is done to prevent an attacker to use the same key again.
     *
     * @param mixed $value
     *
     * @return bool|int
     */
    public function validate($value)
    {
        for (; $this->startTime <= $this->time + $this->cycles; $this->startTime++) {
            if (hash_equals($this->oathHotp($this->seed, $this->startTime), $value)) {
                return
                    null === $this->previousTime
                        ? true
                        : $this->startTime;
            }
        }

        return false;
    }
}


1			<?php
2
3			/*
4			* This file is part of the 2amigos/2fa-library project.
5			*
6			* (c) 2amigOS! <http://2amigos.us/>
7			*
8			* For the full copyright and license information, please view
9			* the LICENSE file that was distributed with this source code.
10			*/
11
12			namespace Da\TwoFA\Validator;
13
14			use Da\TwoFA\Contracts\ValidatorInterface;
15			use Da\TwoFA\Traits\OathTrait;
16
17			class OneTimePasswordValidator implements ValidatorInterface
18			{
19			use OathTrait;
20
21			/**
22			* @var string
23			*/
24			protected $seed;
25			/**
26			* @var int
27			*/
28			protected $cycles;
29			/**
30			* @var int
31			*/
32			protected $startTime;
33			/**
34			* @var int
35			*/
36			protected $time;
37			/**
38			* @var int\|null
39			*/
40			protected $previousTime;
41
42			/**
43			* OneTimePasswordValidator constructor.
44			*
45			* @param string $seed
46			* @param int $cycles
47			* @param int $tokenLength
48			* @param int $startTime
49			* @param int $time
50			* @param int\|null $previousTime
51			*/
52			public function __construct(
53			string $seed,
54			int $cycles,
55			int $tokenLength,
56			int $startTime,
57			int $time,
58			int $previousTime = null
59			) {
60			$this->seed = $seed;
61			$this->cycles = $cycles;
62			$this->tokenLength = $tokenLength;
63			$this->startTime = $startTime;
64			$this->time = $time;
65			$this->previousTime = $previousTime;
66			}
67
68			/**
69			* Validates OTP. If `$previousTime` has been added, it will return the `$startTime`, otherwise it will return a
70			* bool value. This is done to prevent an attacker to use the same key again.
71			*
72			* @param mixed $value
73			*
74			* @return bool\|int
75			*/
76			public function validate($value)
77			{
78			for (; $this->startTime <= $this->time + $this->cycles; $this->startTime++) {
79			if (hash_equals($this->oathHotp($this->seed, $this->startTime), $value)) {
80			return
81			null === $this->previousTime
82			? true
83			: $this->startTime;
84			}
85			}
86
87			return false;
88			}
89			}
90

2amigos / 2fa-library

OneTimePasswordValidator::validate() A last analyzed 2020-01-31 22:43 UTC

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OneTimePasswordValidator::validate() A
last analyzed 2020-01-31 22:43 UTC