evoweb/recaptcha

Easy on Humans, Hard on Bots

TYPO3 Extension recaptcha

, _(*1)

TYPO3 Extension to make use of googles nocaptcha.\ Now supports googles invisible reCAPTCHA., _(*2)

Installation

via Composer

The recommended way to install TYPO3 Console is by using Composer:, _(*3)

composer require evoweb/recaptcha

via TYPO3 Extension Repository

Download and install the extension with the extension manager module or directly from the TER., _(*4)

Integrate invisible reCAPTCHA in tx_form typoscript forms

To be able to use the captcha add the static include of this extension to your template., _(*5)

After that, add in the typoscript of the form., _(*6)

lib.contactForm = FORM
lib.contactForm {
    70 < lib.invisibleRecaptchaIntegration.10

    rules {
        7 < lib.invisibleRecaptchaIntegration.rules.1
    }
}

Integrate invisible reCAPTCHA in own forms

To be able to use the captcha add the static include of this extension to your template., _(*7)

After modify your form output by replacing the submit button with something like this:, _(*8)

<button
    data-sitekey="6LfmFxQUAAAAAGiMRvzLHGYQ8KiQiqgBuY5NswDz"
    data-callback="onContactformCaptchaSubmit"
    class="g-recaptcha"
    type="button" name="tx_form_form[tx_form][id-11]"
    value="absenden">
        absenden
</button>

After that you're ready on the frontend but still need to call the validation in your php code., _(*9)

$validCaptcha = false;

$captchaService = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\Evoweb\Recaptcha\Services\CaptchaService::class);
$captchaServiceValidation = $captchaService->validateReCaptcha();
if (isset($captchaServiceValidation['verified'])) {
    if ($captchaServiceValidation['verified'] === true) {
        $validCaptcha = true;
    }
}