PHP code example of geekk / multi-captcha

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

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

    

geekk / multi-captcha example snippets

$config = [
        'default' => 'hcaptcha',

        'connections' => [

            'recaptcha2' => [
                'driver' => 'recaptcha2',
                'site_key' => '...',
                'secret_key' => '...'
            ],

            'hcaptcha' => [
                'driver' => 'hcaptcha',
                'site_key' => '...',
                'secret_key' => '...'
            ],

            'kcaptcha' => [
                'driver' => 'kcaptcha',
                'show_credits' => false
            ]
        ]
]

class CaptchaStore  implements CaptchaStoreInterface {

    protected $store;
    protected $prefix;
    protected $seconds;

    public function __construct(Repository $store, $prefix = 'kcaptcha:', int $seconds = 5*60)
    {
        $this->store = $store;
        $this->prefix = $prefix;
        $this->seconds = $seconds;
    }

    protected function getStoreKey($key)
    {
        return "$this->prefix:{$key}";
    }

    public function getValue(?string $key = null): ?string
    {
        $value = $this->store->get($this->getStoreKey($key));
        $this->store->forget($this->getStoreKey($key));
        return $value;
    }

    public function setValue(string $value, ?string $key = null)
    {
        $this->store->put($this->getStoreKey($key), $value);
    }
}

class CaptchaManager
{

    protected $config;

    protected $connectionName;

    protected $connectionConfig;

    public function __construct(array $config)
    {
        $this->config = $config;
    }

    private function loadDriverConfig()
    {
        $this->connectionName = $this->config['default'];
        $this->connectionConfig = $this->config['connections'][$this->connectionName];
    }

    public function getCaptcha(): CaptchaInterface
    {
        $this->loadDriverConfig();
        $driverName = $this->connectionConfig['driver'];
        switch ($driverName) {
            case 'recaptcha2':
                return new ReCaptcha2($this->connectionConfig);
            case 'hcaptcha':
                return new HCaptcha($this->connectionConfig);
            case 'kcaptcha':
                $store = new CaptchaStore();
                return new KCaptcha($this->connectionConfig, $store);
        }
        throw new \Exception(sprintf('Unknown captcha driver: %s', $driverName));
    }

    public function getRequest(Request $request): CaptchaRequestInterface
    {
        $driverName = $this->connectionConfig['driver'];
        switch ($driverName) {
            case 'recaptcha2':
                return new ReCaptcha2Request(count($request->post()), $request->post(ReCaptcha2Request::RESPONSE_NAME), $request->ip());
            case 'hcaptcha':
                return new HCaptchaRequest(count($request->post()), $request->post(HCaptchaRequest::RESPONSE_NAME), $request->ip());
            case 'kcaptcha':
                return new KCaptchaRequest(count($request->post()),$request->post(KCaptchaRequest::RESPONSE_NAME), $request->post(KCaptchaRequest::KEY_NAME));
        }
        throw new \Exception(sprintf('Unknown captcha driver: %s', $driverName));
    }
}

$captchaManager = new CaptchaManager($config);

$captcha = $captchaManager->getCaptcha();

// Render captcha in template
echo $captcha->render();

// Verify user's response
$result = $captcha->verify($captchaManager->getRequest($request));