sitekeys = WPCF7::get_option( 'recaptcha' );
}
public function get_title() {
return __( 'reCAPTCHA', 'contact-form-7' );
}
public function is_active() {
$sitekey = $this->get_sitekey();
$secret = $this->get_secret( $sitekey );
return $sitekey && $secret;
}
public function get_categories() {
return array( 'captcha' );
}
public function icon() {
}
public function link() {
echo sprintf( '%2$s',
'https://www.google.com/recaptcha/intro/index.html',
'google.com/recaptcha' );
}
public function get_sitekey() {
if ( empty( $this->sitekeys ) || ! is_array( $this->sitekeys ) ) {
return false;
}
$sitekeys = array_keys( $this->sitekeys );
return $sitekeys[0];
}
public function get_secret( $sitekey ) {
$sitekeys = (array) $this->sitekeys;
if ( isset( $sitekeys[$sitekey] ) ) {
return $sitekeys[$sitekey];
} else {
return false;
}
}
public function verify( $response_token ) {
$is_human = false;
if ( empty( $response_token ) ) {
return $is_human;
}
$url = self::VERIFY_URL;
$sitekey = $this->get_sitekey();
$secret = $this->get_secret( $sitekey );
$response = wp_safe_remote_post( $url, array(
'body' => array(
'secret' => $secret,
'response' => $response_token,
'remoteip' => $_SERVER['REMOTE_ADDR'] ) ) );
if ( 200 != wp_remote_retrieve_response_code( $response ) ) {
return $is_human;
}
$response = wp_remote_retrieve_body( $response );
$response = json_decode( $response, true );
$is_human = isset( $response['success'] ) && true == $response['success'];
return $is_human;
}
private function menu_page_url( $args = '' ) {
$args = wp_parse_args( $args, array() );
$url = menu_page_url( 'wpcf7-integration', false );
$url = add_query_arg( array( 'service' => 'recaptcha' ), $url );
if ( ! empty( $args) ) {
$url = add_query_arg( $args, $url );
}
return $url;
}
public function load( $action = '' ) {
if ( 'setup' == $action ) {
if ( 'POST' == $_SERVER['REQUEST_METHOD'] ) {
check_admin_referer( 'wpcf7-recaptcha-setup' );
$sitekey = isset( $_POST['sitekey'] ) ? trim( $_POST['sitekey'] ) : '';
$secret = isset( $_POST['secret'] ) ? trim( $_POST['secret'] ) : '';
if ( $sitekey && $secret ) {
WPCF7::update_option( 'recaptcha', array( $sitekey => $secret ) );
$redirect_to = $this->menu_page_url( array(
'message' => 'success' ) );
} elseif ( '' === $sitekey && '' === $secret ) {
WPCF7::update_option( 'recaptcha', null );
$redirect_to = $this->menu_page_url( array(
'message' => 'success' ) );
} else {
$redirect_to = $this->menu_page_url( array(
'action' => 'setup',
'message' => 'invalid' ) );
}
wp_safe_redirect( $redirect_to );
exit();
}
}
}
public function admin_notice( $message = '' ) {
if ( 'invalid' == $message ) {
echo sprintf(
'',
esc_html( __( "ERROR", 'contact-form-7' ) ),
esc_html( __( "Invalid key values.", 'contact-form-7' ) ) );
}
if ( 'success' == $message ) {
echo sprintf( '',
esc_html( __( 'Settings saved.', 'contact-form-7' ) ) );
}
}
public function display( $action = '' ) {
?>
display_setup();
return;
}
if ( $this->is_active() ) {
$sitekey = $this->get_sitekey();
$secret = $this->get_secret( $sitekey );
?>
__( 'CAPTCHA', 'contact-form-7' ) );
foreach ( $categories as $name => $category ) {
$integration->add_category( $name, $category );
}
$services = array(
'recaptcha' => WPCF7_RECAPTCHA::get_instance() );
foreach ( $services as $name => $service ) {
$integration->add_service( $name, $service );
}
}
add_action( 'wpcf7_enqueue_scripts', 'wpcf7_recaptcha_enqueue_scripts' );
function wpcf7_recaptcha_enqueue_scripts() {
$url = 'https://www.google.com/recaptcha/api.js';
$url = add_query_arg( array(
'onload' => 'recaptchaCallback',
'render' => 'explicit' ), $url );
wp_register_script( 'google-recaptcha', $url, array(), '2.0', true );
}
add_action( 'wp_footer', 'wpcf7_recaptcha_callback_script' );
function wpcf7_recaptcha_callback_script() {
if ( ! wp_script_is( 'google-recaptcha', 'enqueued' ) ) {
return;
}
?>
is_active() ) {
wpcf7_add_form_tag( 'recaptcha', 'wpcf7_recaptcha_form_tag_handler' );
}
}
function wpcf7_recaptcha_form_tag_handler( $tag ) {
wp_enqueue_script( 'google-recaptcha' );
$tag = new WPCF7_FormTag( $tag );
$atts = array();
$recaptcha = WPCF7_RECAPTCHA::get_instance();
$atts['data-sitekey'] = $recaptcha->get_sitekey();
$atts['data-theme'] = $tag->get_option( 'theme', '(dark|light)', true );
$atts['data-type'] = $tag->get_option( 'type', '(audio|image)', true );
$atts['data-size'] = $tag->get_option( 'size', '(compact|normal)', true );
$atts['data-tabindex'] = $tag->get_option( 'tabindex', 'int', true );
$atts['data-callback'] = $tag->get_option( 'callback', '', true );
$atts['data-expired-callback'] =
$tag->get_option( 'expired_callback', '', true );
$atts['class'] = $tag->get_class_option(
wpcf7_form_controls_class( $tag->type, 'g-recaptcha' ) );
$atts['id'] = $tag->get_id_option();
$html = sprintf( '', wpcf7_format_atts( $atts ) );
$html .= wpcf7_recaptcha_noscript(
array( 'sitekey' => $atts['data-sitekey'] ) );
$html = sprintf( '%s
', $html );
return $html;
}
function wpcf7_recaptcha_noscript( $args = '' ) {
$args = wp_parse_args( $args, array(
'sitekey' => '' ) );
if ( empty( $args['sitekey'] ) ) {
return;
}
$url = add_query_arg( 'k', $args['sitekey'],
'https://www.google.com/recaptcha/api/fallback' );
ob_start();
?>
scan_form_tags( array( 'type' => 'recaptcha' ) );
if ( empty( $tags ) ) {
return $spam;
}
$recaptcha = WPCF7_RECAPTCHA::get_instance();
if ( ! $recaptcha->is_active() ) {
return $spam;
}
$response_token = wpcf7_recaptcha_response();
$spam = ! $recaptcha->verify( $response_token );
return $spam;
}
add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_recaptcha', 45 );
function wpcf7_add_tag_generator_recaptcha() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$tag_generator->add( 'recaptcha', __( 'reCAPTCHA', 'contact-form-7' ),
'wpcf7_tag_generator_recaptcha', array( 'nameless' => 1 ) );
}
function wpcf7_tag_generator_recaptcha( $contact_form, $args = '' ) {
$args = wp_parse_args( $args, array() );
$recaptcha = WPCF7_RECAPTCHA::get_instance();
if ( ! $recaptcha->is_active() ) {
?>