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ReCaptcha.php
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ReCaptcha.php
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<?php
declare(strict_types=1);
namespace Laminas\Captcha;
use Laminas\ReCaptcha\ReCaptcha as ReCaptchaService;
use function array_key_exists;
use function is_array;
use function is_int;
use function is_string;
/**
* ReCaptcha adapter
*
* Allows to insert captchas driven by ReCaptcha service
*
* @see http://recaptcha.net/apidocs/captcha/
*/
class ReCaptcha extends AbstractAdapter
{
/**
* Recaptcha service object
*
* @var ReCaptchaService
*/
protected $service;
/**
* Parameters defined by the service
*
* @var array
*/
protected $serviceParams = [];
/**
* Options defined by the service
*
* @var array
*/
protected $serviceOptions = [];
/**#@+
* Error codes
*/
public const MISSING_VALUE = 'missingValue';
public const ERR_CAPTCHA = 'errCaptcha';
public const BAD_CAPTCHA = 'badCaptcha';
/**#@-*/
/**
* Error messages
*
* @var array
*/
protected $messageTemplates = [
self::MISSING_VALUE => 'Missing captcha fields',
self::ERR_CAPTCHA => 'Failed to validate captcha',
self::BAD_CAPTCHA => 'Captcha value is wrong',
];
/**
* Retrieve ReCaptcha Secret key
*
* @return string
*/
public function getSecretKey()
{
return $this->getService()->getSecretKey();
}
/**
* Retrieve ReCaptcha Site key
*
* @return string
*/
public function getSiteKey()
{
return $this->getService()->getSiteKey();
}
/**
* Set ReCaptcha private key
*
* @param string $secretKey
* @return ReCaptcha Provides a fluent interface
*/
public function setSecretKey($secretKey)
{
$this->getService()->setSecretKey($secretKey);
return $this;
}
/**
* Set ReCaptcha site key
*
* @param string $siteKey
* @return ReCaptcha Provides a fluent interface
*/
public function setSiteKey($siteKey)
{
$this->getService()->setSiteKey($siteKey);
return $this;
}
/**
* Retrieve ReCaptcha secret key (BC version)
*
* @deprecated
*
* @return string
*/
public function getPrivKey()
{
return $this->getSecretKey();
}
/**
* Retrieve ReCaptcha site key (BC version)
*
* @deprecated
*
* @return string
*/
public function getPubKey()
{
return $this->getSiteKey();
}
/**
* Set ReCaptcha secret key (BC version)
*
* @deprecated
*
* @param string $key
* @return ReCaptcha Provides a fluent interface
*/
public function setPrivKey($key)
{
return $this->setSecretKey($key);
}
/**
* Set ReCaptcha site key (BC version)
*
* @deprecated
*
* @param string $key
* @return ReCaptcha Provides a fluent interface
*/
public function setPubKey($key)
{
return $this->setSiteKey($key);
}
/**
* Constructor
*
* @param array<string, mixed>|null $options
*/
public function __construct($options = null)
{
$this->setService(new ReCaptchaService());
$this->serviceParams = $this->getService()->getParams();
$this->serviceOptions = $this->getService()->getOptions();
parent::__construct($options);
if (! empty($options)) {
if (array_key_exists('secret_key', $options) && is_string($options['secret_key'])) {
$this->getService()->setSecretKey($options['secret_key']);
}
if (array_key_exists('site_key', $options)) {
$this->getService()->setSiteKey($options['site_key']);
}
// Support pubKey and pubKey for BC
if (array_key_exists('privKey', $options) && is_string($options['privKey'])) {
$this->getService()->setSecretKey($options['privKey']);
}
if (array_key_exists('pubKey', $options)) {
$this->getService()->setSiteKey($options['pubKey']);
}
$this->setOptions($options);
}
}
/**
* Set service object
*
* @return ReCaptcha Provides a fluent interface
*/
public function setService(ReCaptchaService $service)
{
$this->service = $service;
return $this;
}
/**
* Retrieve ReCaptcha service object
*
* @return ReCaptchaService
*/
public function getService()
{
return $this->service;
}
/**
* Set option
*
* If option is a service parameter, proxies to the service. The same
* goes for any service options (distinct from service params)
*
* @param string $key
* @param mixed $value
* @return $this Provides a fluent interface
*/
public function setOption($key, $value)
{
$service = $this->getService();
if (array_key_exists($key, $this->serviceParams)) {
$service->setParam($key, $value);
return $this;
}
if (array_key_exists($key, $this->serviceOptions)) {
$service->setOption($key, $value);
return $this;
}
return parent::setOption($key, $value);
}
/**
* Generate captcha
*
* @see AbstractAdapter::generate()
*
* @return string
*/
public function generate()
{
return "";
}
/**
* Validate captcha.
*
* The value should contain the name of the key within the context that
* contains the ReCaptcha data. The default within the ReCaptcha service
* for this is "g-recaptcha-response"
*
* @see \Laminas\Validator\ValidatorInterface::isValid()
*
* @param mixed $value
* @param mixed $context
* @return bool
*/
public function isValid($value, $context = null)
{
if (empty($value) && ! is_array($context)) {
$this->error(self::MISSING_VALUE);
return false;
}
$service = $this->getService();
if ((is_string($value) || is_int($value)) && array_key_exists($value, $context)) {
$res = $service->verify($context[$value]);
} else {
$res = $service->verify($value);
}
if (! $res->isValid()) {
$this->error(self::BAD_CAPTCHA);
return false;
}
return true;
}
/**
* Get helper name used to render captcha
*
* @return string
*/
public function getHelperName()
{
return "captcha/recaptcha";
}
}