PHP code example of myra-security-gmbh / eu-captcha

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

myra-security-gmbh / eu-captcha example snippets

use Myrasec\EuCaptcha;

$captcha = new EuCaptcha(
    sitekey: EUCAPTCHA_SITE_KEY,
    secret:  EUCAPTCHA_SECRET_KEY,
);

$result = $captcha->validate();

if (!$result->success()) {
    // Reject the form submission
}

$result = $captcha->validate();

if (!$result->successNetwork()) {
    // Could not reach the API — consider logging or alerting
}

if (!$result->successToken()) {
    // Token was rejected — the submission is likely automated
}

$token    = $_POST['my-captcha-field'] ?? '';
$clientIp = $_SERVER['REMOTE_ADDR'];

$result = $captcha->validate($token, $clientIp);

$captcha = new EuCaptcha(sitekey: EUCAPTCHA_SITE_KEY, secret: EUCAPTCHA_SECRET_KEY);

if (!$captcha->verifyCredentials()) {
    // Credentials are invalid or the API is unreachable — log and alert
}

namespace App\Controller;

use Myrasec\EuCaptchaInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;

class ContactController
{
    public function __construct(private EuCaptchaInterface $captcha) {}

    #[Route('/contact', methods: ['POST'])]
    public function submit(Request $request): Response
    {
        $result = $this->captcha->validate(
            $request->request->getString('eu-captcha-response'),
            $request->getClientIp() ?? '',
        );

        if (!$result->success()) {
            return new Response('CAPTCHA verification failed', Response::HTTP_BAD_REQUEST);
        }

        // process the form...

        return new Response('OK');
    }
}

'eucaptcha' => [
    'sitekey' => env('EUCAPTCHA_SITE_KEY'),
    'secret'  => env('EUCAPTCHA_SECRET_KEY'),
],

namespace App\Http\Controllers;

use Myrasec\EuCaptcha;
use Illuminate\Http\Request;
use Illuminate\Http\RedirectResponse;

class ContactController extends Controller
{
    public function submit(Request $request): RedirectResponse
    {
        $captcha = new EuCaptcha(
            sitekey: config('services.eucaptcha.sitekey'),
            secret:  config('services.eucaptcha.secret'),
        );

        $result = $captcha->validate(
            $request->input('eu-captcha-response'),
            $request->ip(),
        );

        if (!$result->success()) {
            return back()->withErrors(['captcha' => 'CAPTCHA verification failed.']);
        }

        // process the form...

        return redirect()->route('contact.success');
    }
}

namespace App\Http\Requests;

use Myrasec\EuCaptcha;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Contracts\Validation\Validator;

class ContactRequest extends FormRequest
{
    public function rules(): array
    {
        return [
            'name'    => ['cha(
                sitekey: config('services.eucaptcha.sitekey'),
                secret:  config('services.eucaptcha.secret'),
            );

            $result = $captcha->validate(
                $this->input('eu-captcha-response'),
                $this->ip(),
            );

            if (!$result->success()) {
                $validator->errors()->add('captcha', 'CAPTCHA verification failed.');
            }
        });
    }
}

public function submit(ContactRequest $request): RedirectResponse
{
    // validation and CAPTCHA check already passed
    // process the form...

    return redirect()->route('contact.success');
}