--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Captcha/ReCaptcha.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,266 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Captcha
+ * @subpackage Adapter
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+/** @see Zend_Captcha_Base */
+require_once 'Zend/Captcha/Base.php';
+
+/** @see Zend_Service_ReCaptcha */
+require_once 'Zend/Service/ReCaptcha.php';
+
+/**
+ * ReCaptcha adapter
+ *
+ * Allows to insert captchas driven by ReCaptcha service
+ *
+ * @see http://recaptcha.net/apidocs/captcha/
+ *
+ * @category Zend
+ * @package Zend_Captcha
+ * @subpackage Adapter
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: ReCaptcha.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+class Zend_Captcha_ReCaptcha extends Zend_Captcha_Base
+{
+ /**@+
+ * ReCaptcha Field names
+ * @var string
+ */
+ protected $_CHALLENGE = 'recaptcha_challenge_field';
+ protected $_RESPONSE = 'recaptcha_response_field';
+ /**@-*/
+
+ /**
+ * Recaptcha service object
+ *
+ * @var Zend_Service_Recaptcha
+ */
+ 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 $privkey
+ * @return Zend_Captcha_ReCaptcha
+ */
+ public function setPrivkey($privkey)
+ {
+ $this->getService()->setPrivateKey($privkey);
+ return $this;
+ }
+
+ /**
+ * Set ReCaptcha public key
+ *
+ * @param string $pubkey
+ * @return Zend_Captcha_ReCaptcha
+ */
+ public function setPubkey($pubkey)
+ {
+ $this->getService()->setPublicKey($pubkey);
+ return $this;
+ }
+
+ /**
+ * Constructor
+ *
+ * @param array|Zend_Config $options
+ * @return void
+ */
+ public function __construct($options = null)
+ {
+ $this->setService(new Zend_Service_ReCaptcha());
+ $this->_serviceParams = $this->getService()->getParams();
+ $this->_serviceOptions = $this->getService()->getOptions();
+
+ parent::__construct($options);
+
+ if ($options instanceof Zend_Config) {
+ $options = $options->toArray();
+ }
+ if (!empty($options)) {
+ $this->setOptions($options);
+ }
+ }
+
+ /**
+ * Set service object
+ *
+ * @param Zend_Service_ReCaptcha $service
+ * @return Zend_Captcha_ReCaptcha
+ */
+ public function setService(Zend_Service_ReCaptcha $service)
+ {
+ $this->_service = $service;
+ return $this;
+ }
+
+ /**
+ * Retrieve ReCaptcha service object
+ *
+ * @return Zend_Service_ReCaptcha
+ */
+ 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 $value
+ * @return Zend_Captcha_ReCaptcha
+ */
+ public function setOption($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 Zend_Form_Captcha_Adapter::generate()
+ * @return string
+ */
+ public function generate()
+ {
+ return "";
+ }
+
+ /**
+ * Validate captcha
+ *
+ * @see Zend_Validate_Interface::isValid()
+ * @param mixed $value
+ * @return boolean
+ */
+ public function isValid($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;
+ }
+
+ /**
+ * Render captcha
+ *
+ * @param Zend_View_Interface $view
+ * @param mixed $element
+ * @return string
+ */
+ public function render(Zend_View_Interface $view = null, $element = null)
+ {
+ return $this->getService()->getHTML();
+ }
+}