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<?php
/**
* @version 1.3.0
* @package RSform!Pro 1.3.0
* @copyright (C) 2007-2010 www.rsjoomla.com
* @license GPL, http://www.gnu.org/copyleft/gpl.html
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
/**
* RSForm! Pro system plugin
*/
class plgSystemRSFPReCaptcha extends JPlugin
{
/**
* Constructor
*
* For php4 compatibility we must not use the __constructor as a constructor for plugins
* because func_get_args ( void ) returns a copy of all passed arguments NOT references.
* This causes problems with cross-referencing necessary for the observer design pattern.
*
* @access protected
* @param object $subject The object to observe
* @param array $config An array that holds the plugin configuration
* @since 1.0
*/
function __construct( &$subject, $config )
{
parent::__construct( $subject, $config );
$this->newComponents = array(24);
}
function loadLibrary()
{
require_once JPATH_SITE.'/plugins/system/rsfprecaptcha/relib.php';
}
function rsfp_bk_onAfterShowComponents()
{
$lang = JFactory::getLanguage();
$lang->load('plg_system_rsfprecaptcha', JPATH_ADMINISTRATOR);
$formId = JFactory::getApplication()->input->getInt('formId');
$components = RSFormProHelper::componentExists($formId, 24);
$link = "displayTemplate('24')";
if (!empty($components))
$link = "displayTemplate('24', '".$components[0]."')";
?>
<li class="rsform_navtitle"><?php echo JText::_('RSFP_RECAPTCHA_LABEL'); ?></li>
<li><a href="javascript: void(0);" onclick="<?php echo $link;?>;return false;" id="rsfpc24"><span class="rsficon rsficon-rotate"></span><span class="inner-text"><?php echo JText::_('RSFP_RECAPTCHA_SPRODUCT'); ?></span></a></li>
<?php
}
function rsfp_bk_onAfterCreateComponentPreview($args = array())
{
if ($args['ComponentTypeName'] == 'recaptcha')
{
JFactory::getLanguage()->load('plg_system_rsfprecaptcha', JPATH_ADMINISTRATOR);
JFactory::getApplication()->enqueueMessage(JText::_('PLG_SYSTEM_RSFPRECAPTCHA_WARNING'), 'warning');
$args['out'] ='<td>'.$args['data']['CAPTION'].'</td>';
$args['out'] .='<td>{reCAPTCHA field}</td>';
}
}
function rsfp_bk_onAfterShowConfigurationTabs($tabs)
{
$lang = JFactory::getLanguage();
$lang->load('plg_system_rsfprecaptcha', JPATH_ADMINISTRATOR);
$tabs->addTitle(JText::_('RSFP_RECAPTCHA_LABEL'), 'form-recaptcha');
$tabs->addContent($this->recaptchaConfigurationScreen());
}
function rsfp_f_onAJAXScriptCreate($args) {
$script =& $args['script'];
$formId = $args['formId'];
if ($componentId = RSFormProHelper::componentExists($formId, 24)) {
static $added;
if (!$added) {
RSFormProAssets::addScript(JURI::root(true).'/components/com_rsform/assets/js/recaptcha.js?v='._RSFORM_REVISION);
$added = true;
}
$args['script'] .= 'ajaxValidationRecaptcha(task, formId, data, '.$componentId[0].');'."\n";
}
}
function rsfp_bk_onAfterCreateFrontComponentBody($args)
{
$lang = JFactory::getLanguage();
$lang->load('plg_system_rsfprecaptcha', JPATH_ADMINISTRATOR);
$this->loadLibrary();
RSFormProHelper::readConfig();
$config = JFactory::getConfig();
$u = JFactory::getURI();
$use_ssl = $config->get('force_ssl') == 2 || $u->isSSL();
if ($args['r']['ComponentTypeId'] == 24)
{
// Get a key from http://recaptcha.net/api/getkey
$publickey = RSFormProHelper::getConfig('recaptcha.public.key');
// the response from reCAPTCHA
$resp = null;
// the error code from reCAPTCHA, if any
$error = null;
$args['out'] = '<script type="text/javascript">'."\n";
$args['out'] .= 'var RecaptchaOptions = {'."\n";
$args['out'] .= "\t"."theme : '".RSFormProHelper::getConfig('recaptcha.theme')."',"."\n";
$tag = $lang->getTag();
$tag = explode('-', $tag);
$tag = strtolower($tag[0]);
//$known_languages = array('en', 'nl', 'fr', 'de', 'pt', 'ru', 'es', 'tr');
$known_languages = array('en');
if (in_array($tag, $known_languages))
{
$args['out'] .= "\t"."lang : '".$tag."'"."\n";
}
else
{
$args['out'] .= "\t"."lang : '".$tag."',"."\n";
$args['out'] .= "\t"."custom_translations : {"."\n"
."\t"."\t".'instructions_visual : \''.JText::_('RSFP_INSTRUCTIONS_VISUAL', true).'\','."\n"
."\t"."\t".'instructions_audio : \''.JText::_('RSFP_INSTRUCTIONS_AUDIO', true).'\','."\n"
."\t"."\t".'play_again : \''.JText::_('RSFP_PLAY_AGAIN', true).'\','."\n"
."\t"."\t".'cant_hear_this : \''.JText::_('RSFP_CANT_HEAR_THIS', true).'\','."\n"
."\t"."\t".'visual_challenge : \''.JText::_('RSFP_VISUAL_CHALLENGE', true).'\','."\n"
."\t"."\t".'audio_challenge : \''.JText::_('RSFP_AUDIO_CHALLENGE', true).'\','."\n"
."\t"."\t".'refresh_btn : \''.JText::_('RSFP_REFRESH_BTN', true).'\','."\n"
."\t"."\t".'help_btn : \''.JText::_('RSFP_HELP_BTN', true).'\','."\n"
."\t"."\t".'incorrect_try_again : \''.JText::_('RSFP_INCORRECT_TRY_AGAIN', true).'\''."\n"
."\t".'}'."\n";
}
$args['out'] .= '};'."\n";
$args['out'] .= '</script>';
$args['out'] .= '<div id="recaptchaContainer'.$args['componentId'].'">';
$args['out'] .= rsform_recaptcha_get_html($publickey, $error, $use_ssl);
$args['out'] .= '</div>';
// clear the token on page refresh
$session = JFactory::getSession();
$session->clear('com_rsform.recaptchaToken'.$args['formId']);
}
}
/*
Task Functions
*/
function rsfp_f_onBeforeFormValidation($args) {
$formId = $args['formId'];
$invalid =& $args['invalid'];
$post =& $args['post'];
$form = RSFormProHelper::getForm($formId);
if ($form->RemoveCaptchaLogged) {
$logged = JFactory::getUser()->id;
} else {
$logged = false;
}
$privatekey = RSFormProHelper::getConfig('recaptcha.private.key');
// validation:
// if there's no session token
// validate based on challenge & response codes
// if valid, set the session token
// session token gets cleared after form processes
// session token gets cleared on page refresh as well
if (($componentId = RSFormProHelper::componentExists($formId, 24)) && $privatekey && !$logged) {
$challenge = JRequest::getVar('recaptcha_challenge_field');
$response = JRequest::getVar('recaptcha_response_field');
$task = strtolower(JRequest::getVar('task'));
$option = JRequest::getVar('option');
$session = JFactory::getSession();
// already validated, move on
if ($session->get('com_rsform.recaptchaToken'.$formId)) {
return true;
}
$this->loadLibrary();
// the response from reCAPTCHA
$resp = null;
$resp = rsform_recaptcha_check_answer($privatekey, isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '', $challenge, $response);
if (empty($resp->is_valid)) {
$invalid[] = $componentId[0];
} elseif ($option == 'com_rsform' && $task == 'ajaxvalidate') {
$session->set('com_rsform.recaptchaToken'.$formId, md5(uniqid($response)));
}
}
}
function rsfp_f_onAfterFormProcess($args) {
$formId = $args['formId'];
if (RSFormProHelper::componentExists($formId, 24)) {
$session = JFactory::getSession();
$session->clear('com_rsform.recaptchaToken'.$formId);
}
}
function recaptchaConfigurationScreen()
{
ob_start();
$themes[] = JHTML::_('select.option', 'red', JText::_( 'RSFP_RED_THEME' ) );
$themes[] = JHTML::_('select.option', 'white', JText::_( 'RSFP_WHITE_THEME' ) );
$themes[] = JHTML::_('select.option', 'clean', JText::_( 'RSFP_CLEAN_THEME' ) );
$themes[] = JHTML::_('select.option', 'blackglass', JText::_( 'RSFP_BLACKGLASS_THEME' ) );
$theme = JHTML::_('select.genericlist', $themes, 'rsformConfig[recaptcha.theme]', 'size="1" class="inputbox"', 'value', 'text', RSFormProHelper::getConfig('recaptcha.theme'));
?>
<div id="page-recaptcha">
<table class="admintable">
<tr>
<td width="200" style="width: 200px;" align="right" class="key"><label for="public"><?php echo JText::_( 'RSFP_RECAPTCHA_PBKEY' ); ?></label></td>
<td><input type="text" name="rsformConfig[recaptcha.public.key]" value="<?php echo RSFormProHelper::htmlEscape(RSFormProHelper::getConfig('recaptcha.public.key')); ?>" size="100" maxlength="100"></td>
</tr>
<tr>
<td width="200" style="width: 200px;" align="right" class="key"><label for="private"><?php echo JText::_( 'RSFP_RECAPTCHA_PRKEY' ); ?></label></td>
<td><input type="text" name="rsformConfig[recaptcha.private.key]" value="<?php echo RSFormProHelper::htmlEscape(RSFormProHelper::getConfig('recaptcha.private.key')); ?>" size="100" maxlength="100"></td>
</tr>
<tr>
<td width="200" style="width: 200px;" align="right" class="key"><label for="theme"><?php echo JText::_( 'RSFP_RECAPTCHA_THEME' ); ?></label></td>
<td><?php echo $theme; ?></td>
</tr>
</table>
</div>
<?php
$contents = ob_get_contents();
ob_end_clean();
return $contents;
}
}