nietonfir/google-recaptcha

Library to simplify the server-side validation of Google's 'No CAPTCHA reCAPTCHA'

v0.2.1 2017-04-19 00:30 UTC

This package is not auto-updated.

Last update: 2024-11-09 18:11:36 UTC


README

ReCAPTCHA is a free CAPTCHA service that protect websites from spam and abuse. This library aims to providate an alternative to the official ReCAPTCHA library for verifying a users "No CAPTCHA reCAPTCHA" response. Internally it uses Guzzle for communicating with the ReCAPTCHA API.

Build Status Latest Stable Version Latest Unstable Version License

Installation

The recommended way to install GoogleReCaptcha is through Composer.

# Install Composer
curl -sS https://getcomposer.org/installer | php

Next, run the Composer command to install the latest stable version of GoogleReCaptcha:

composer require "nietonfir/google-recaptcha"

Or add GoogleReCaptcha in your composer.json

"require": {
    "nietonfir/google-recaptcha": "~0.0"
}

and tell Composer to install the library:

composer update "nietonfir/google-recaptcha"

After installing, you need to require Composer's autoloader:

require 'vendor/autoload.php';

Usage

A sample validation client could look like the following:

use GuzzleHttp\Client;
use Nietonfir\Google\ReCaptcha\ReCaptcha;
use Nietonfir\Google\ReCaptcha\Api\RequestData,
    Nietonfir\Google\ReCaptcha\Api\ResponseFactory;

$requestData = new RequestData(
    'YOUR_API_SECRET_HERE',         // secret
    $_POST['g-recaptcha-response'], // user response
    $_SERVER['REMOTE_ADDR']         // end user IP
);

$reCaptcha = new ReCaptcha(new Client(), new ResponseFactory());
$response = $reCaptcha->processRequest($requestData);

if ($response->isValid()) {
    // check the hostname if "Domain Name Validation" is turned off
    // if($_SERVER['SERVER_NAME'] === $response->getHostName()) { … }
    echo 'I\'m not a robot';
} else {
    var_dump($response->getErrors());
}