cakephp-invisible-recaptcha plugin for CakePHP

Requirements

• CakePHP 4.0.0+

Installation

composer require marianodonal/cakephp-invisible-recaptcha

obtain a invisible reCAPTCHA API key.

SetUp

Configure

With the following test keys, you will always get No CAPTCHA and all verification requests will pass.
Please do not use these keys for your production traffic.

Configure::write('recaptcha', [
    'sitekey' => '6LeIxAcTAAAAAJcZVRqyHh71UMIEGNQ_MXjiZKhI',
    'secretkey' => '6LeIxAcTAAAAAGG-vFI1TnRWxMZNFuojJ4WifJWe',
]);

loadComponent

$this->loadComponent('InvisibleReCaptcha.InvisibleReCaptcha',
    [
        // options
    ]);

Some of the options available:

Option	Description	Default	Value
secretkey	Override secret API key	null
sitekey	Override site API key	null
hl	Optional. Forces the widget to render in a specific language. Auto-detects the user's language if unspecified. (See language codes)	null
badge	Optional. Reposition the reCAPTCHA badge.inline allows you to control the CSS.	bottomright	bottomright bottomleft inline
type	Optional. The type of CAPTCHA to serve.	image	audio image
timeout	The number of seconds to wait for reCAPTCHA servers before give up.	3	integer
noscript	Include <noscript> content	true	boolean

docs https://developers.google.com/recaptcha/docs/invisible#config

Used

Display recaptcha in your view

<?php
echo $this->Form->create();
echo $this->Form->control('email');
echo $this->Form->submit();
echo $this->InvisibleReCaptcha->render();
echo $this->Form->end();
?>

Verify in your controller

if ($this->InvisibleReCaptcha->verify()) {
    //do something
}

use ServerRequest::clientIp to get the IP address.
See https://book.cakephp.org/3.0/en/controllers/request-response.html#trusting-proxy-headers