false, 'invalid' => true, 'captcha_size' => true, 'default' => false, ); } /** * @return array */ protected function new_field_settings() { $frm_settings = FrmAppHelper::get_settings(); return array( 'invalid' => $frm_settings->re_msg, ); } /** * @return array */ protected function extra_field_opts() { return array( 'label' => 'none', 'captcha_size' => 'normal', 'captcha_theme' => 'light', ); } /** * Remove the "for" attribute for captcha * * @param array $args * @param string $html * * @return string */ protected function before_replace_html_shortcodes( $args, $html ) { return str_replace( ' for="field_[key]"', ' for="g-recaptcha-response"', $html ); } public function front_field_input( $args, $shortcode_atts ) { $frm_settings = FrmAppHelper::get_settings(); if ( empty( $frm_settings->pubkey ) ) { return ''; } $class_prefix = $this->class_prefix(); $captcha_size = $this->captcha_size(); $allow_mutiple = $frm_settings->re_multi; $html = '
api_url(); wp_register_script( 'recaptcha-api', $api_js_url, array( 'formidable' ), '3', true ); wp_enqueue_script( 'recaptcha-api' ); } protected function api_url() { $api_js_url = 'https://www.google.com/recaptcha/api.js?'; $frm_settings = FrmAppHelper::get_settings(); $allow_mutiple = $frm_settings->re_multi; if ( $allow_mutiple ) { $api_js_url .= '&onload=frmRecaptcha&render=explicit'; } $lang = apply_filters( 'frm_recaptcha_lang', $frm_settings->re_lang, $this->field ); if ( ! empty( $lang ) ) { $api_js_url .= '&hl=' . $lang; } return apply_filters( 'frm_recaptcha_js_url', $api_js_url ); } protected function class_prefix() { if ( $this->allow_multiple() ) { $class_prefix = 'frm-'; } else { $class_prefix = ''; } return $class_prefix; } protected function allow_multiple() { $frm_settings = FrmAppHelper::get_settings(); return $frm_settings->re_multi; } protected function captcha_size() { // for reverse compatibility $frm_settings = FrmAppHelper::get_settings(); $captcha_size = ( $this->field['captcha_size'] == 'default' ) ? 'normal' : $this->field['captcha_size']; return ( $frm_settings->re_type == 'invisible' ) ? 'invisible' : $captcha_size; } /** * @since 4.07 * @param array $args * @return array */ protected function validate_against_api( $args ) { $errors = array(); $frm_settings = FrmAppHelper::get_settings(); $resp = $this->send_api_check( $frm_settings ); $response = json_decode( wp_remote_retrieve_body( $resp ), true ); if ( isset( $response['success'] ) && ! $response['success'] ) { // What happens when the CAPTCHA was entered incorrectly $invalid_message = FrmField::get_option( $this->field, 'invalid' ); $errors[ 'field' . $args['id'] ] = ( $invalid_message == '' ? $frm_settings->re_msg : $invalid_message ); } elseif ( is_wp_error( $resp ) ) { $error_string = $resp->get_error_message(); $errors[ 'field' . $args['id'] ] = __( 'There was a problem verifying your recaptcha', 'formidable' ); $errors[ 'field' . $args['id'] ] .= ' ' . $error_string; } return $errors; } /** * @param array $args * @return array */ public function validate( $args ) { if ( ! $this->should_validate() ) { return array(); } if ( ! isset( $_POST['g-recaptcha-response'] ) ) { // There was no captcha submitted. return array( 'field' . $args['id'] => __( 'The captcha is missing from this form', 'formidable' ) ); } return $this->validate_against_api( $args ); } /** * @since 4.07 * @return bool */ private function should_show_captcha() { $frm_settings = FrmAppHelper::get_settings(); return ! empty( $frm_settings->pubkey ); } protected function should_validate() { $is_hidden_field = apply_filters( 'frm_is_field_hidden', false, $this->field, wp_unslash( $_POST ) ); // WPCS: CSRF ok. if ( FrmAppHelper::is_admin() || $is_hidden_field ) { return false; } // don't require the captcha if it shouldn't be shown return $this->should_show_captcha(); } protected function send_api_check( $frm_settings ) { $arg_array = array( 'body' => array( 'secret' => $frm_settings->privkey, 'response' => FrmAppHelper::get_param( 'g-recaptcha-response', '', 'post', 'sanitize_text_field' ), 'remoteip' => FrmAppHelper::get_ip_address(), ), ); return wp_remote_post( 'https://www.google.com/recaptcha/api/siteverify', $arg_array ); } }