JezK
Edit File: asp-hcaptcha-main.php
<?php class ASP_HCAPTCHA_Main { public $asp_main; public $keys_entered = false; public $enabled = false; private $max_tokens = 4; public function __construct() { add_action( 'plugins_loaded', array( $this, 'plugins_loaded' ), 100 ); } public function plugins_loaded() { $this->asp_main = AcceptStripePayments::get_instance(); $this->enabled = $this->asp_main->get_setting( 'captcha_type' ) === 'hcaptcha'; if ( ! empty( $this->asp_main->get_setting( 'hcaptcha_secret_key' ) ) && ! empty( $this->asp_main->get_setting( 'hcaptcha_site_key' ) ) ) { $this->keys_entered = true; } add_action( 'wp_ajax_asp_hcaptcha_check', array( $this, 'ajax_hcaptcha_check' ) ); add_action( 'wp_ajax_nopriv_asp_hcaptcha_check', array( $this, 'ajax_hcaptcha_check' ) ); if ( is_admin() ) { require_once WP_ASP_PLUGIN_PATH . 'includes/hcaptcha/admin/asp-hcaptcha-admin-menu.php'; new ASP_HCAPTCHA_Admin_Menu(); } if ( $this->enabled ) { add_action( 'asp_ng_before_token_request', array( $this, 'ng_before_token_request' ) ); add_action( 'asp_ng_before_payment_processing', array( $this, 'ng_before_payment_processing' ) ); add_action( 'asp_ng_do_additional_captcha_response_check', array( $this, 'ng_do_additional_captcha_response_check' ), 10, 2 ); if ( ! is_admin() ) { add_filter( 'asp_ng_pp_data_ready', array( $this, 'ng_data_ready' ), 10, 2 ); add_filter( 'asp_ng_pp_output_before_buttons', array( $this, 'ng_before_buttons' ), 10, 2 ); add_action( 'asp_ng_pp_output_add_scripts', array( $this, 'ng_add_scripts' ) ); add_filter( 'asp_ng_button_output_after_button', array( $this, 'ng_button_output_after_button' ), 10, 3 ); } } } private function check_hcaptcha( $response ) { $ret = array(); $res = wp_remote_post( 'https://hcaptcha.com/siteverify', array( 'body' => array( 'secret' => $this->asp_main->get_setting( 'hcaptcha_secret_key' ), 'response' => $response, ), ) ); if ( is_wp_error( $res ) ) { $ret['error'] = __( 'hCaptcha: error occurred during API request.', 'stripe-payments' ) . ' ' . $res->get_error_message(); return $ret; } if ( $res['response']['code'] !== 200 ) { $ret['error'] = __( 'hCaptcha: error occurred during API request. HTTP Error code:', 'stripe-payments' ) . ' ' . $res['response']['code']; return $ret; } $response = json_decode( $res['body'], true ); if ( is_null( $response ) ) { $ret['error'] = __( 'hCaptcha: error occured parsing API response, invalid JSON data.', 'stripe-payments' ); return $ret; } if ( $response['success'] !== true ) { $err_codes_str = ''; if ( is_array( $response['error-codes'] ) ) { foreach ( $response['error-codes'] as $error_code ) { switch ( $error_code ) { case 'invalid-input-response': $err_codes_str .= __( 'The response parameter is invalid or malformed.', 'stripe-payments' ); break; case 'missing-input-secret': $err_codes_str .= __( 'Secret key is missing.', 'stripe-payments' ); break; case 'invalid-input-secret': $err_codes_str .= __( 'Secret key is invalid or malformed.', 'stripe-payments' ); break; case 'missing-input-response': $err_codes_str .= __( 'The response parameter is missing.', 'stripe-payments' ); break; default: $err_codes_str .= $error_code; break; } } } $ret['error'] = __( 'hCaptcha: check failed. Following error(s) occurred:', 'stripe-payments' ) . ' ' . $err_codes_str; return $ret; } return $ret; } public function ajax_hcaptcha_check() { $out = array(); $payload = isset( $_POST['hcaptcha_response'] ) ? sanitize_text_field( stripslashes ( $_POST['hcaptcha_response'] ) ) : ''; if ( empty( $payload ) ) { $out['error'] = __( 'Empty hCaptcha response received.', 'stripe-payments' ); wp_send_json( $out ); } $out = $this->check_hcaptcha( $payload ); $sess = ASP_Session::get_instance(); if ( isset( $out['error'] ) ) { $sess->set_transient_data( 'hCaptcha_checked', false ); $sess->set_transient_data( 'hCaptcha_error', $out['error'] ); } else { ASP_Utils_Bot_Mitigation::record_captcha_solve_ip_time_data(); $sess->set_transient_data( 'hCaptcha_checked', true ); $sess->set_transient_data( 'hCaptcha_tokens', $this->max_tokens ); } wp_send_json( $out ); } public function ng_do_additional_captcha_response_check( $item, $params ) { if ( !ASP_Utils_Bot_Mitigation::is_captcha_solve_ip_data_time_valid() ){ ASP_Debug_Logger::log( 'hCaptcha - Additional captcha response check failed!', false ); //Exit out to be safe. If some sites want more relaxed option, we can add an option to extend the timer. exit; } ASP_Debug_Logger::log( 'hCaptcha - Additional captcha response check done.', true ); return true; } public function ng_before_token_request( $item ) { $sess = ASP_Session::get_instance(); $checked = $sess->get_transient_data( 'hCaptcha_checked' ); if ( ! $checked ) { $err = $sess->get_transient_data( 'hCaptcha_error' ); if ( empty( $err ) ) { $err = __( 'hCaptcha check failed.', 'stripe-payments' ); } wp_send_json( array( 'success' => false, 'err' => $err, ) ); } $tokens = $sess->get_transient_data( 'hCaptcha_tokens', 0 ); if ( $tokens <= 0 ) { wp_send_json( array( 'success' => false, 'err' => __( 'hCaptcha tokens expired. Please refresh the page and try again.', 'stripe-payments' ), ) ); } $tokens--; $sess->set_transient_data( 'hCaptcha_tokens', $tokens ); return true; } public function ng_before_payment_processing( $post_data ) { $sess = ASP_Session::get_instance(); $sess->set_transient_data( 'hCaptcha_checked', false ); $sess->set_transient_data( 'hCaptcha_error', false ); } public function ng_before_buttons( $out, $data ) { $invisible = $this->asp_main->get_setting( 'hcaptcha_invisible' ); ob_start(); ?> <style> .asp-hcaptcha-container { text-align: center; height: 78px; margin: 15px 0; width: auto; padding: 0 5px; } .asp-hcaptcha-invisible { height: 0; margin: 0 auto; } .asp-hcaptcha-container div { margin: 0 auto; height: 78px; } #hcaptcha-error { text-align: center; } #asp-hcaptcha-privacy-notice { font-size: 75%; color: gray; text-align: center; margin: 5px 0; opacity: 0.75; } <?php echo $invisible ? '.hcaptcha-badge {visibility: hidden;}' : ''; ?> </style> <div id="asp-hcaptcha-container" class="asp-hcaptcha-container<?php echo $invisible ? ' asp-hcaptcha-invisible" data-size="invisible' : ''; ?>"></div> <?php if ( $invisible ) { ?> <div id="asp-hcaptcha-privacy-notice">This site is protected by hCaptcha and its <a href="https://hcaptcha.com/privacy" target="_blank">Privacy Policy</a> and <a href="https://hcaptcha.com/terms" target="_blank">Terms of Service</a> apply.</div> <?php } ?> <div id="hcaptcha-error" class="form-err" role="alert"> </div> <?php $out .= ob_get_clean(); return $out; } public function ng_data_ready( $data, $atts ) { if ( $this->enabled && ! $this->keys_entered ) { $data['fatal_error'] = __( 'Please enter hCaptcha keys.', 'stripe-payments' ); } $addon = array( 'name' => 'hCaptcha', 'handler' => 'hCaptchaHandlerNG', ); $data['addons'][] = $addon; $data['hcaptchaSiteKey'] = $this->asp_main->get_setting( 'hcaptcha_site_key' ); $data['hcaptchaInvisible'] = $this->asp_main->get_setting( 'hcaptcha_invisible' ); return $data; } public function ng_add_scripts( $scripts ) { $scripts[] = array( 'footer' => true, 'src' => 'https://js.hcaptcha.com/1/api.js?onload=onloadCallback&render=explicit', ); $scripts[] = array( 'footer' => true, 'src' => WP_ASP_PLUGIN_URL . '/includes/hcaptcha/public/js/asp-hcaptcha-ng.js?ver=' . WP_ASP_PLUGIN_VERSION, ); return $scripts; } public function ng_button_output_after_button( $output, $data, $class ) { $prefetch = $this->asp_main->get_setting( 'frontend_prefetch_scripts' ); if ( $prefetch ) { if ( empty( $this->asp_main->sc_scripts_prefetched ) ) { if ( ! isset( $this->asp_main->footer_scripts ) ) { $this->asp_main->footer_scripts = ''; } $this->asp_main->footer_scripts .= '<link rel="prefetch" as="script" href="https://js.hcaptcha.com/1/api.js?onload=onloadCallback&render=explicit" />'; $this->asp_main->footer_scripts .= '<link rel="prefetch" as="script" href="' . WP_ASP_PLUGIN_URL . '/includes/hcaptcha/public/js/asp-hcaptcha-ng.js?ver=' . WP_ASP_PLUGIN_VERSION . '" />'; } } return $output; } } new ASP_HCAPTCHA_Main();