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recaptcha_invisible.php000064400000012722151160500000011243
0ustar00<?php
/**
* @package Joomla.Plugin
* @subpackage Captcha
*
* @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All
rights reserved.
* @license GNU General Public License version 2 or later; see
LICENSE.txt
*/
defined('_JEXEC') or die;
use Joomla\CMS\Captcha\Google\HttpBridgePostRequestMethod;
use Joomla\Utilities\IpHelper;
/**
* Invisible reCAPTCHA Plugin.
*
* @since 3.9.0
*/
class PlgCaptchaRecaptcha_Invisible extends \JPlugin
{
/**
* Load the language file on instantiation.
*
* @var boolean
* @since 3.9.0
*/
protected $autoloadLanguage = true;
/**
* Reports the privacy related capabilities for this plugin to site
administrators.
*
* @return array
*
* @since 3.9.0
*/
public function onPrivacyCollectAdminCapabilities()
{
$this->loadLanguage();
return array(
JText::_('PLG_CAPTCHA_RECAPTCHA_INVISIBLE') => array(
JText::_('PLG_RECAPTCHA_INVISIBLE_PRIVACY_CAPABILITY_IP_ADDRESS'),
)
);
}
/**
* Initialise the captcha
*
* @param string $id The id of the field.
*
* @return boolean True on success, false otherwise
*
* @since 3.9.0
* @throws \RuntimeException
*/
public function onInit($id = 'dynamic_recaptcha_invisible_1')
{
$pubkey = $this->params->get('public_key', '');
if ($pubkey === '')
{
throw new
\RuntimeException(JText::_('PLG_RECAPTCHA_INVISIBLE_ERROR_NO_PUBLIC_KEY'));
}
// Load callback first for browser compatibility
\JHtml::_(
'script',
'plg_captcha_recaptcha_invisible/recaptcha.min.js',
array('version' => 'auto', 'relative'
=> true),
array('async' => 'async', 'defer' =>
'defer')
);
// Load Google reCAPTCHA api js
$file = 'https://www.google.com/recaptcha/api.js'
. '?onload=JoomlaInitReCaptchaInvisible'
. '&render=explicit'
. '&hl=' . \JFactory::getLanguage()->getTag();
\JHtml::_(
'script',
$file,
array(),
array('async' => 'async', 'defer' =>
'defer')
);
return true;
}
/**
* Gets the challenge HTML
*
* @param string $name The name of the field. Not Used.
* @param string $id The id of the field.
* @param string $class The class of the field.
*
* @return string The HTML to be embedded in the form.
*
* @since 3.9.0
*/
public function onDisplay($name = null, $id =
'dynamic_recaptcha_invisible_1', $class = '')
{
$dom = new \DOMDocument('1.0', 'UTF-8');
$ele = $dom->createElement('div');
$ele->setAttribute('id', $id);
$ele->setAttribute('class', ((trim($class) == '')
? 'g-recaptcha' : ($class . ' g-recaptcha')));
$ele->setAttribute('data-sitekey',
$this->params->get('public_key', ''));
$ele->setAttribute('data-badge',
$this->params->get('badge', 'bottomright'));
$ele->setAttribute('data-size', 'invisible');
$ele->setAttribute('data-tabindex',
$this->params->get('tabindex', '0'));
$ele->setAttribute('data-callback',
$this->params->get('callback', ''));
$ele->setAttribute('data-expired-callback',
$this->params->get('expired_callback', ''));
$ele->setAttribute('data-error-callback',
$this->params->get('error_callback', ''));
$dom->appendChild($ele);
return $dom->saveHTML($ele);
}
/**
* Calls an HTTP POST function to verify if the user's guess was
correct
*
* @param string $code Answer provided by user. Not needed for the
Recaptcha implementation
*
* @return boolean True if the answer is correct, false otherwise
*
* @since 3.9.0
* @throws \RuntimeException
*/
public function onCheckAnswer($code = null)
{
$input = \JFactory::getApplication()->input;
$privatekey = $this->params->get('private_key');
$remoteip = IpHelper::getIp();
$response = $input->get('g-recaptcha-response',
'', 'string');
// Check for Private Key
if (empty($privatekey))
{
throw new
\RuntimeException(JText::_('PLG_RECAPTCHA_INVISIBLE_ERROR_NO_PRIVATE_KEY'));
}
// Check for IP
if (empty($remoteip))
{
throw new
\RuntimeException(JText::_('PLG_RECAPTCHA_INVISIBLE_ERROR_NO_IP'));
}
// Discard spam submissions
if (trim($response) == '')
{
throw new
\RuntimeException(JText::_('PLG_RECAPTCHA_INVISIBLE_ERROR_EMPTY_SOLUTION'));
}
return $this->getResponse($privatekey, $remoteip, $response);
}
/**
* Method to react on the setup of a captcha field. Gives the possibility
* to change the field and/or the XML element for the field.
*
* @param \Joomla\CMS\Form\Field\CaptchaField $field Captcha field
instance
* @param \SimpleXMLElement $element XML form
definition
*
* @return void
*
* @since 3.9.0
*/
public function onSetupField(\Joomla\CMS\Form\Field\CaptchaField $field,
\SimpleXMLElement $element)
{
// Hide the label for the invisible recaptcha type
$element['hiddenLabel'] = true;
}
/**
* Get the reCaptcha response.
*
* @param string $privatekey The private key for authentication.
* @param string $remoteip The remote IP of the visitor.
* @param string $response The response received from Google.
*
* @return boolean True if response is good | False if response is bad.
*
* @since 3.9.0
* @throws \RuntimeException
*/
private function getResponse($privatekey, $remoteip, $response)
{
$reCaptcha = new \ReCaptcha\ReCaptcha($privatekey, new
HttpBridgePostRequestMethod);
$response = $reCaptcha->verify($response, $remoteip);
if (!$response->isSuccess())
{
foreach ($response->getErrorCodes() as $error)
{
throw new \RuntimeException($error);
}
return false;
}
return true;
}
}
recaptcha_invisible.xml000064400000005435151160500000011257
0ustar00<?xml version="1.0" encoding="utf-8"?>
<extension version="3.8" type="plugin"
group="captcha" method="upgrade">
<name>plg_captcha_recaptcha_invisible</name>
<version>3.8</version>
<creationDate>November 2017</creationDate>
<author>Joomla! Project</author>
<authorEmail>admin@joomla.org</authorEmail>
<authorUrl>www.joomla.org</authorUrl>
<copyright>Copyright (C) 2005 - 2020 Open Source Matters. All rights
reserved.</copyright>
<license>GNU General Public License version 2 or later; see
LICENSE.txt</license>
<description>PLG_CAPTCHA_RECAPTCHA_INVISIBLE_XML_DESCRIPTION</description>
<files>
<filename
plugin="recaptcha_invisible">recaptcha_invisible.php</filename>
</files>
<languages>
<language
tag="en-GB">en-GB.plg_captcha_recaptcha_invisible.ini</language>
<language
tag="en-GB">en-GB.plg_captcha_recaptcha_invisible.sys.ini</language>
</languages>
<config>
<fields name="params">
<fieldset name="basic">
<field
name="public_key"
type="text"
label="PLG_RECAPTCHA_INVISIBLE_PUBLIC_KEY_LABEL"
description="PLG_RECAPTCHA_INVISIBLE_PUBLIC_KEY_DESC"
default=""
required="true"
filter="string"
size="100"
class="input-xxlarge"
/>
<field
name="private_key"
type="text"
label="PLG_RECAPTCHA_INVISIBLE_PRIVATE_KEY_LABEL"
description="PLG_RECAPTCHA_INVISIBLE_PRIVATE_KEY_DESC"
default=""
required="true"
filter="string"
size="100"
class="input-xxlarge"
/>
<field
name="badge"
type="list"
label="PLG_RECAPTCHA_INVISIBLE_BADGE_LABEL"
description="PLG_RECAPTCHA_INVISIBLE_BADGE_DESC"
default="bottomright"
>
<option
value="bottomright">PLG_RECAPTCHA_INVISIBLE_BADGE_BOTTOMRIGHT</option>
<option
value="bottomleft">PLG_RECAPTCHA_INVISIBLE_BADGE_BOTTOMLEFT</option>
<option
value="inline">PLG_RECAPTCHA_INVISIBLE_BADGE_INLINE</option>
</field>
<field
name="tabindex"
type="number"
label="PLG_RECAPTCHA_INVISIBLE_TABINDEX_LABEL"
description="PLG_RECAPTCHA_INVISIBLE_TABINDEX_DESC"
default="0"
min="0"
filter="integer"
/>
<field
name="callback"
type="text"
label="PLG_RECAPTCHA_INVISIBLE_CALLBACK_LABEL"
description="PLG_RECAPTCHA_INVISIBLE_CALLBACK_DESC"
default=""
filter="string"
/>
<field
name="expired_callback"
type="text"
label="PLG_RECAPTCHA_INVISIBLE_EXPIRED_CALLBACK_LABEL"
description="PLG_RECAPTCHA_INVISIBLE_EXPIRED_CALLBACK_DESC"
default=""
filter="string"
/>
<field
name="error_callback"
type="text"
label="PLG_RECAPTCHA_INVISIBLE_ERROR_CALLBACK_LABEL"
description="PLG_RECAPTCHA_INVISIBLE_ERROR_CALLBACK_DESC"
default=""
filter="string"
/>
</fieldset>
</fields>
</config>
</extension>