Graze\Gigya\Validation\UidSignatureValidator

Complexity

Total Complexity

11

Size/Duplication

Total Lines	115
Duplicated Lines	25.22 %

Coupling/Cohesion

Components	1
Dependencies	5

Test Coverage

Coverage

93.94%

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	canValidate()	8	8	3
A	validate()	10	10	1
A	validateUid()	0	5	2
A	assert()	11	11	1
A	assertUid()	0	12	3

<?php
/**
 * This file is part of graze/gigya-client
 *
 * Copyright (c) 2016 Nature Delivered Ltd. <https://www.graze.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @license https://github.com/graze/gigya-client/blob/master/LICENSE.md
 * @link    https://github.com/graze/gigya-client
 */

namespace Graze\Gigya\Validation;

use Graze\Gigya\Exception\InvalidTimestampException;
use Graze\Gigya\Exception\InvalidUidSignatureException;
use Graze\Gigya\Response\ResponseInterface;

/**
 * Class UidSignatureValidator.
 */
class UidSignatureValidator implements ResponseValidatorInterface
{
    /**
     * @var string
     */
    private $secret;

    /**
     * @var Signature
     */
    private $signature;

    /**
     * @param Signature $signature
     * @param string    $secret
     */
    public function __construct(Signature $signature, $secret)
    {
        $this->secret    = $secret;
        $this->signature = $signature;
    }

    /**
     * Can validate.
     *
     * @param ResponseInterface $response
     *
     * @return bool
     */
    public function canValidate(ResponseInterface $response)

This method seems to be duplicated in your project.

    {
        $data = $response->getData();

        return ($data->has('UID') &&
            $data->has('UIDSignature') &&
            $data->has('signatureTimestamp'));
    }

    /**
     * Throws exceptions if any errors are found.
     *
     * @param ResponseInterface $response
     *
     * @return bool
     */
    public function validate(ResponseInterface $response)

This method seems to be duplicated in your project.

    {
        $data = $response->getData();

        return $this->validateUid(
            $data->get('UID'),
            $data->get('signatureTimestamp'),
            $data->get('UIDSignature')
        );
    }

    /**
     * @param ResponseInterface $response
     *
     * @throws InvalidTimestampException
     * @throws InvalidUidSignatureException
     *
     * @return void
     */
    public function assert(ResponseInterface $response)

This method seems to be duplicated in your project.

    {
        $data = $response->getData();

        $this->assertUid(
            $data->get('UID'),
            $data->get('signatureTimestamp'),
            $data->get('UIDSignature'),
            $response
        );
    }

    /**
     * Validate the provided Uid signature is valid.
     *
     * @param string $uid
     * @param int    $timestamp Unix Timestamp
     * @param string $signature
     *
     * @return bool
     */
    public function validateUid($uid, $timestamp, $signature)
    {
        return ($this->signature->checkTimestamp($timestamp) &&
            $signature == $this->signature->getUidSignature($uid, $timestamp, $this->secret));
    }

    /**
     * @param string            $uid
     * @param int               $timestamp Unix Timestamp
     * @param string            $signature
     * @param ResponseInterface $response
     *
     * @throws InvalidTimestampException
     * @throws InvalidUidSignatureException
     *
     * @return bool
     */
    private function assertUid($uid, $timestamp, $signature, ResponseInterface $response)
    {
        if (!$this->signature->checkTimestamp($timestamp)) {
            throw new InvalidTimestampException($timestamp, $response);
        }
        $expected = $this->signature->getUidSignature($uid, $timestamp, $this->secret);
        if ($signature !== $expected) {
            throw new InvalidUidSignatureException($uid, $expected, $signature, $response);
        }

        return true;
    }
}