all-in-one-event-calendar/lib/captcha/provider/recaptcha.php
2017-11-09 17:36:04 +01:00

126 lines
3.7 KiB
PHP

<?php
/**
* ReCaptcha provider.
*
* @author Time.ly Network Inc.
* @since 2.2
*
* @package AI1EC
* @subpackage AI1EC.Captcha.Provider
*/
class Ai1ec_Captcha_Recaptcha_Provider extends Ai1ec_Captcha_Provider {
/**
* Returns settings array.
*
* @param bool $enable_rendering Whether setting HTML will be rendered or not.
*
* @return array Array of settings.
*/
public function get_settings( $enable_rendering = true ) {
return array(
'google_recaptcha_public_key' => array(
'type' => 'string',
'version' => AI1ECFS_PLUGIN_NAME,
'renderer' => array(
'class' => 'input',
'tab' => 'extensions',
'item' => 'interactive',
'type' => 'normal',
'label' => __(
'reCAPTCHA public key:',
AI1ECFS_PLUGIN_NAME
),
'condition' => $enable_rendering,
),
'value' => '',
),
'google_recaptcha_private_key' => array(
'type' => 'string',
'version' => AI1ECFS_PLUGIN_NAME,
'renderer' => array(
'class' => 'input',
'tab' => 'extensions',
'item' => 'interactive',
'type' => 'normal',
'label' => __(
'reCAPTCHA private key:',
AI1ECFS_PLUGIN_NAME
),
'condition' => $enable_rendering,
),
'value' => '',
),
);
}
/**
* Returns captcha challenge.
*
* @return mixed
*/
public function get_challenge() {
$args = array(
'verification_words' => Ai1ec_I18n::__( 'Human verification' ),
'loading_recaptcha' => Ai1ec_I18n::__( 'Loading reCAPTCHA...' ),
'recaptcha_key' => $this->_settings->get(
'google_recaptcha_public_key'
),
);
return $this->_theme_loader->get_file(
'captcha/recaptcha/challenge.twig',
$args,
false
)->get_content();
}
/**
* Validates challenge.
*
* @param array Challenge response data.
*
* @return mixed
*/
public function validate_challenge( array $data ) {
$response = array( 'success' => true );
if (
empty( $data['recaptcha_challenge_field'] ) ||
empty( $data['recaptcha_response_field'] )
) {
$response['message'] = Ai1ec_I18n::_(
'There was an error reading the human verification data. Please try again.'
);
$response['success'] = false;
}
$remoteAddress = isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : null;
require_once( AI1EC_VENDOR_PATH . 'recaptcha/recaptchalib.php' );
$resp = recaptcha_check_answer(
$this->_settings->get( 'google_recaptcha_private_key' ),
$remoteAddress,
$data['recaptcha_challenge_field'],
$data['recaptcha_response_field']
);
if ( ! $resp->is_valid ) {
$response['message'] = Ai1ec_I18n::__(
'Please try verifying you are human again.'
);
$response['success'] = false;
}
return $response;
}
/**
* Returns provider name.
*
* @return string
*/
public function get_name() {
return 'Google reCAPTCHA';
}
}