<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Captcha;
use Traversable;
use ZendService\ReCaptcha\ReCaptcha as ReCaptchaService;
/**
* ReCaptcha adapter
*
* Allows to insert captchas driven by ReCaptcha service
*
* @see http://recaptcha.net/apidocs/captcha/
*/
class ReCaptcha extends AbstractAdapter
{
/**@+
* ReCaptcha Field names
* @var string
*/
protected $CHALLENGE = 'recaptcha_challenge_field';
protected $RESPONSE = 'recaptcha_response_field';
/**@-*/
/**
* Recaptcha service object
*
* @var ReCaptchaService
*/
protected $service;
/**
* Parameters defined by the service
*
* @var array
*/
protected $serviceParams = array();
/**
* Options defined by the service
*
* @var array
*/
protected $serviceOptions = array();
/**#@+
* Error codes
*/
const MISSING_VALUE = 'missingValue';
const ERR_CAPTCHA = 'errCaptcha';
const BAD_CAPTCHA = 'badCaptcha';
/**#@-*/
/**
* Error messages
* @var array
*/
protected $messageTemplates = array(
self::MISSING_VALUE => 'Missing captcha fields',
self::ERR_CAPTCHA => 'Failed to validate captcha',
self::BAD_CAPTCHA => 'Captcha value is wrong: %value%',
);
/**
* Retrieve ReCaptcha Private key
*
* @return string
*/
public function getPrivkey()
{
return $this->getService()->getPrivateKey();
}
/**
* Retrieve ReCaptcha Public key
*
* @return string
*/
public function getPubkey()
{
return $this->getService()->getPublicKey();
}
/**
* Set ReCaptcha Private key
*
* @param string $privkey
* @return ReCaptcha
*/
public function setPrivkey($privkey)
{
$this->getService()->setPrivateKey($privkey);
return $this;
}
/**
* Set ReCaptcha public key
*
* @param string $pubkey
* @return ReCaptcha
*/
public function setPubkey($pubkey)
{
$this->getService()->setPublicKey($pubkey);
return $this;
}
/**
* Constructor
*
* @param null|array|Traversable $options
*/
public function __construct($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('private_key', $options)) {
$this->getService()->setPrivateKey($options['private_key']);
}
if (array_key_exists('public_key', $options)) {
$this->getService()->setPublicKey($options['public_key']);
}
$this->setOptions($options);
}
}
/**
* Set service object
*
* @param ReCaptchaService $service
* @return ReCaptcha
*/
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 $value
* @return ReCaptcha
*/
public function setOption($key, $value)
{
$service = $this->getService();
if (isset($this->serviceParams[$key])) {
$service->setParam($key, $value);
return $this;
}
if (isset($this->serviceOptions[$key])) {
$service->setOption($key, $value);
return $this;
}
return parent::setOption($key, $value);
}
/**
* Generate captcha
*
* @see AbstractAdapter::generate()
* @return string
*/
public function generate()
{
return "";
}
/**
* Validate captcha
*
* @see \Zend\Validator\ValidatorInterface::isValid()
* @param mixed $value
* @param mixed $context
* @return bool
*/
public function isValid($value, $context = null)
{
if (!is_array($value) && !is_array($context)) {
$this->error(self::MISSING_VALUE);
return false;
}
if (!is_array($value) && is_array($context)) {
$value = $context;
}
if (empty($value[$this->CHALLENGE]) || empty($value[$this->RESPONSE])) {
$this->error(self::MISSING_VALUE);
return false;
}
$service = $this->getService();
$res = $service->verify($value[$this->CHALLENGE], $value[$this->RESPONSE]);
if (!$res) {
$this->error(self::ERR_CAPTCHA);
return false;
}
if (!$res->isValid()) {
$this->error(self::BAD_CAPTCHA, $res->getErrorCode());
$service->setParam('error', $res->getErrorCode());
return false;
}
return true;
}
/**
* Get helper name used to render captcha
*
* @return string
*/
public function getHelperName()
{
return "captcha/recaptcha";
}
}
# |
Change |
User |
Description |
Committed |
|
#1
|
18334 |
Liz Lam |
initial add of jambox |
|
|