z3R3c6zx

1<?php
2
3namespace App\Service;
4
5/**
6 * This class is used to provide protection against bots
7 * more: https://developers.google.com/recaptcha/docs/display
8 */
9class Recaptcha
10{
11    private $publicKey;
12    private $secretKey;
13    private $apiUrl;
14
15    /**
16     * Recaptcha constructor.
17     * @param string $secretKey
18     * @param string $publicKey
19     * @param string $apiUrl
20     */
21    public function __construct(string $secretKey, string $publicKey, string $apiUrl)
22    {
23        $this->secretKey = $secretKey;
24        $this->publicKey = $publicKey;
25        $this->apiUrl = $apiUrl;
26    }
27
28    /**
29     * Validates re-captcha using Google's API
30     *
31     * @param string $recaptchaResponse is g-recaptcha-response from the recaptcha form
32     * @return boolean
33     */
34    public function validate(string $recaptchaResponse): bool
35    {
36        $googleResponseJson = file_get_contents($this->apiUrl . '?secret=' . $this->secretKey . '&response=' . $recaptchaResponse);
37        $googleResponse = json_decode($googleResponseJson);
38
39        return $googleResponse->success;
40    }
41
42    /**
43     * Returns repcaptcha div provided by Google
44     *
45     * @return string
46     */
47    public function createView(): string
48    {
49        $html = '<div class="g-recaptcha" data-theme="dark" data-sitekey="' . $this->publicKey . '"></div>';
50
51        return $html;
52    }
53}