HXGKGxDu

1<?php
2
3/**
4 *  class       Google Captcha
5 *  author      Tomas Doubek
6 *  framework   DntLibrary
7 *  package     dnt3
8 *  date        2017
9 */
10class GoogleCaptcha {
11
12    const SERVICE_URL = "https://www.google.com/recaptcha/api/siteverify?secret=%s&response=%s";
13
14    public $privateToken;
15    public $publicToken;
16    public $postName;
17    public $checkedOptions = null;
18    protected $config = array(
19        'google-recaptcha' => array(
20            'postName' => 'g-recaptcha-response'
21        ),
22    );
23
24    /**
25     * 
26     * @param type $config
27     * @return \Application\Service\GoogleCaptcha
28     * @throws \Exception
29     */
30    public function __construct($siteKey, $secretKey) {
31        if (!isset($this->config['google-recaptcha'])) {
32            throw new \Exception("No google captcha set-up");
33        }
34
35        $this->publicToken = $siteKey;
36        $this->privateToken = $secretKey;
37        $this->postName = $this->config['google-recaptcha']['postName'];
38        return $this;
39    }
40
41    /**
42     * 
43     * @param type $checkedOptions
44     * @return \Application\Service\GoogleCaptcha
45     */
46    public function setCheckedOptions($checkedOptions) {
47        $this->checkedOptions = $checkedOptions;
48        return $this;
49    }
50
51    /**
52     * 
53     * @return boolean
54     */
55    public function getResponse() {
56        $verifyResponse = file_get_contents(sprintf(self::SERVICE_URL, $this->privateToken, $this->checkedOptions));
57        $responseData = json_decode($verifyResponse);
58        if ($responseData->success) {
59            return true;
60        }
61        return false;
62    }
63
64    /**
65     * V pripade chybnej odpovede FALSE
66     * @return boolean
67     */
68    public function getResult() {
69        if (is_null($this->checkedOptions)) {
70            return false;
71        }
72
73        return $this->getResponse();
74    }
75
76    /**
77     * Nazov _POST parametra google re-captcha inputu
78     * @return string
79     */
80    public function getPostName() {
81        return $this->postName;
82    }
83
84}