is_akismet_active() ) { return; } $form->start_controls_section( 'section_akismet', [ 'label' => esc_html__( 'Akismet Spam Protection', 'elementor-pro' ), ] ); $form->add_control( 'akismet_info', [ 'type' => Controls_Manager::ALERT, 'alert_type' => 'info', 'content' => sprintf( /* translators: 1: Link opening tag, 2: Link closing tag. */ esc_html__( 'Assign shortcodes to the fields below to enable spam protection on your form. %1$sShow me how%2$s', 'elementor-pro' ), '', '' ), ] ); $form->add_control( 'akismet_author', [ 'label' => esc_html__( 'Name', 'elementor-pro' ), 'type' => Controls_Manager::TEXT, 'placeholder' => 'e.g. [field id="name"]', 'ai' => [ 'active' => false, ], 'label_block' => true, 'render_type' => 'none', ] ); $form->add_control( 'akismet_author_url', [ 'label' => esc_html__( 'URL', 'elementor-pro' ), 'type' => Controls_Manager::TEXT, 'placeholder' => 'e.g. [field id="url"]', 'ai' => [ 'active' => false, ], 'label_block' => true, 'render_type' => 'none', ] ); $form->add_control( 'akismet_author_email', [ 'label' => esc_html__( 'Email', 'elementor-pro' ), 'type' => Controls_Manager::TEXT, 'placeholder' => 'e.g. [field id="email"]', 'ai' => [ 'active' => false, ], 'label_block' => true, 'render_type' => 'none', ] ); $form->add_control( 'akismet_content', [ 'label' => esc_html__( 'Message', 'elementor-pro' ), 'type' => Controls_Manager::TEXT, 'placeholder' => 'e.g. [field id="message"]', 'ai' => [ 'active' => false, ], 'label_block' => true, 'render_type' => 'none', ] ); $form->end_controls_section(); } private function is_akismet_active() : bool { $akismet_key = \Akismet::get_api_key(); return ! empty( $akismet_key ); } /** * @param Form_Record $record * @param Ajax_Handler $ajax_handler */ public function validation( $record, $ajax_handler ) { if ( ! $this->is_akismet_active() ) { return; } if ( ! $this->is_spammed( $record ) ) { return; } $ajax_handler->add_error_message( esc_html__( 'We couldn’t submit your responses because they seem like spam.', 'elementor-pro' ) ); $ajax_handler->add_error( 'akismet', esc_html__( 'Spam detected', 'elementor-pro' ) ); } private function is_spammed( Form_Record $record ) : bool { $settings = $record->get( 'form_settings' ); $params = []; $params['comment_author'] = $this->get_parsed_content( $record, $settings['akismet_author'] ); $params['comment_author_email'] = $this->get_parsed_content( $record, $settings['akismet_author_email'] ); $params['comment_author_url'] = $this->get_parsed_content( $record, $settings['akismet_author_url'] ); $params['comment_content'] = $this->get_parsed_content( $record, $settings['akismet_content'] ); $params['blog'] = get_option( 'home' ); $params['blog_lang'] = get_locale(); $params['blog_charset'] = get_option( 'blog_charset' ); $params['user_ip'] = Utils::get_client_ip(); $params['referrer'] = wp_get_referer(); if ( ! empty( $_SERVER['HTTP_USER_AGENT'] ) ) { $params['user_agent'] = sanitize_textarea_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ); } // http://blog.akismet.com/2012/06/19/pro-tip-tell-us-your-comment_type/ $params['comment_type'] = 'contact-form'; $ignore = array( 'HTTP_COOKIE', 'HTTP_COOKIE2', 'PHP_AUTH_PW' ); foreach ( $_SERVER as $key => $value ) { if ( ! in_array( $key, $ignore ) && is_string( $value ) ) { $params[ $key ] = $value; } } return $this->remote_check_is_spam( $params ); } private function get_parsed_content( $record, $content ) { $setting = trim( $content ); return $record->replace_setting_shortcodes( $setting ); } private function remote_check_is_spam( $params ) { $response = \Akismet::http_post( _http_build_query( $params, '', '&' ), 'comment-check' ); return ( 'true' === $response[1] ); } }