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<?php |
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|
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namespace Jet_Form_Builder\Integrations; |
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|
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use Jet_Form_Builder\Plugin; |
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|
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/** |
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* Captcha manager class |
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*/ |
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|
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// If this file is called directly, abort. |
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if ( ! defined( 'WPINC' ) ) { |
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die; |
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} |
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|
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/** |
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* Define Forms_Captcha class |
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*/ |
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class Forms_Captcha { |
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|
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public static $script_rendered = false; |
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|
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private $field_key = '_captcha_token'; |
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private $api = 'https://www.google.com/recaptcha/api/siteverify'; |
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private $defaults = array( |
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'enabled' => false, |
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'key' => '', |
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'secret' => '', |
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); |
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|
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|
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public function verify( $form_id = null, $is_ajax = false ) { |
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|
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$captcha = $this->get_data( $form_id ); |
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|
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if ( empty( $captcha['enabled'] ) ) { |
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return true; |
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} |
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|
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$request = $this->sanitize_token_from_request( $is_ajax ); |
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|
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if ( empty( $request[ $this->field_key ] ) ) { |
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return false; |
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} |
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|
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$token = esc_attr( $request[ $this->field_key ] ); |
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$response = wp_remote_post( $this->api, array( |
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'body' => array( |
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'secret' => $captcha['secret'], |
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'response' => $token, |
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), |
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) ); |
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|
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$body = wp_remote_retrieve_body( $response ); |
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$body = json_decode( $body, true ); |
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|
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if ( ! $body || empty( $body['success'] ) ) { |
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return false; |
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} else { |
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return $body['success']; |
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} |
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|
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} |
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|
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private function sanitize_token_from_request( $is_ajax ) { |
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$response = array(); |
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|
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if ( ! $is_ajax && isset( $_POST[ $this->field_key ] ) ) { |
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$response[ $this->field_key ] = esc_attr( $_POST[ $this->field_key ] ); |
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|
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} else { |
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foreach ( $_REQUEST['values'] as $field ) { |
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if ( $field['name'] === $this->field_key ) { |
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|
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$response[ $field['name'] ] = esc_attr( $field['value'] ); |
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} |
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} |
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} |
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return $response; |
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} |
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|
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/** |
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* Returns captcha settings for passed form ID |
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* |
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* @param [type] $post_id [description] |
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* |
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* @return [type] [description] |
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*/ |
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public function get_data( $form_id = null ) { |
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|
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if ( ! $form_id ) { |
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$form_id = get_the_ID(); |
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} |
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|
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$captcha = Plugin::instance()->post_type->get_recaptcha( $form_id ); |
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|
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if ( ! $captcha || ! is_array( $captcha ) ) { |
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return $this->defaults; |
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} else { |
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return wp_parse_args( $captcha, $this->defaults ); |
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} |
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|
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} |
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|
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public function render( $form_id ) { |
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|
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$captcha = $this->get_data( $form_id ); |
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|
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if ( empty( $captcha['enabled'] ) ) { |
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return; |
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} |
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|
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$key = esc_attr( $captcha['key'] ); |
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|
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if ( ! $key ) { |
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return; |
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} |
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|
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if ( ! self::$script_rendered ) { |
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self::$script_rendered = true; |
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printf( '<script src="https://www.google.com/recaptcha/api.js?render=%s"></script>', $key ); |
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} |
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|
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?> |
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<input type="hidden" class="captcha-token" name="<?php echo $this->field_key; ?>" value=""> |
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<script> |
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|
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if ( ! window.JetEngineFormCaptcha ) { |
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window.JetEngineFormCaptcha = function ( formID ) { |
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|
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var $cpField = jQuery( 'form[data-form-id="' + formID + '"]' ).find( '.captcha-token' ); |
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|
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if ( window.JetEngineFormToken ) { |
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$cpField.val( window.JetEngineFormToken ); |
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} else if ( window.grecaptcha ) { |
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window.grecaptcha.ready( function () { |
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grecaptcha.execute( |
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'<?php echo $key; ?>', |
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{ |
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action: 'submit_form' |
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} |
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).then( function ( token ) { |
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$cpField.val( token ); |
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window.JetEngineFormToken = token; |
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} ); |
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} ); |
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} |
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|
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} |
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} |
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|
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window.JetEngineFormCaptcha( <?php echo $form_id; ?> ); |
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|
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jQuery( window ).on( 'jet-popup/show-event/after-show', function () { |
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|
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window.JetEngineFormCaptcha( <?php echo $form_id; ?> ); |
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|
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} ); |
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</script> |
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<?php |
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|
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} |
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|
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} |
