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<?php
namespace ElementorPro\Modules\Payments;
use Elementor\Settings;
use ElementorPro\Base\Module_Base;
use ElementorPro\Core\Utils;
use ElementorPro\Plugin;
use ElementorPro\Modules\Payments\Classes\Stripe_Handler;
use ElementorPro\License\API;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
class Module extends Module_Base {
const STRIPE_CHECKOUT_URL_EXT = 'checkout/sessions';
const STRIPE_TEST_SECRET_KEY = 'pro_stripe_test_secret_key';
const STRIPE_LIVE_SECRET_KEY = 'pro_stripe_live_secret_key';
const STRIPE_TAX_ENDPOINT_URL = 'tax_rates';
const WP_DASH_STRIPE_API_KEYS_LINK = 'https://go.elementor.com/wp-dash-stripe-api-keys/';
const STRIPE_TRANSACTIONS_LINK = 'https://go.elementor.com/stripe-transaction/';
const STRIPE_LICENCE_FEATURE_NAME = 'stripe-button';
const WIDGET_NAME_CLASS_NAME_MAP = [
'paypal-button' => 'Paypal_Button',
self::STRIPE_LICENCE_FEATURE_NAME => 'Stripe_Button',
];
public $secret_key = '';
private $stripe_handler;
public function get_widgets() {
return API::filter_active_features( static::WIDGET_NAME_CLASS_NAME_MAP );
}
/**
* Error handler
*
* @since 3.7.0
*
* @param integer $status_code
* @param string $error_massage
*/
protected function error_handler( $status_code, $error_massage ) {
$resp['response']['code'] = $status_code;
$resp['body'] = wp_json_encode(
[ 'error' => [ 'message' => $error_massage ] ],
JSON_PRETTY_PRINT
);
wp_send_json( $resp );
}
public function get_name() {
return 'payments';
}
/**
* Reads secret test key from wp_options table
*
* @since 3.7.0
*
* @return string
*/
public static function get_global_stripe_test_secret_key() {
return get_option( 'elementor_' . self::STRIPE_TEST_SECRET_KEY, '' );
}
/**
* Reads secret live key from wp_options table
*
* @since 3.7.0
*
* @return string
*/
public static function get_global_stripe_live_secret_key() {
return get_option( 'elementor_' . self::STRIPE_LIVE_SECRET_KEY, '' );
}
/**
* Integrations page secret key validations' callback function
*
* @since 3.7.0
*
* @return void
*/
public function ajax_validate_secret_key() {
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$action = Utils::_unstable_get_super_global_value( $_POST, 'action' );
$nonce_action = ( ! strpos( $action, 'test' ) ? self::STRIPE_LIVE_SECRET_KEY : self::STRIPE_TEST_SECRET_KEY );
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$nonce = Utils::_unstable_get_super_global_value( $_POST, '_nonce' );
if ( ! $nonce || ! wp_verify_nonce( $nonce, $nonce_action ) ) {
$this->error_handler( 403, esc_html__( 'Something went wrong, please refresh the page.', 'elementor-pro' ) );
die();
}
if ( ! Utils::_unstable_get_super_global_value( $_POST, 'secret_key' ) ) {
wp_send_json_error();
} else {
$this->secret_key = Utils::_unstable_get_super_global_value( $_POST, 'secret_key' );
}
if ( ! current_user_can( 'manage_options' ) ) {
wp_send_json_error( 'Permission denied' );
}
$stripe_handler = new Stripe_handler();
$response = $stripe_handler->get( $this->secret_key, self::STRIPE_TAX_ENDPOINT_URL, [ 'limit' => 0 ] );
$code = $response['response']['code'];
if ( 200 !== $code ) {
wp_send_json_error();
} else {
wp_send_json_success();
}
}
/**
* Ajax callback
*
* Returns a list of tax rates
*
* @since 3.7.0
*
* @return array
*/
public function register_ajax_actions( $ajax ) {
return $ajax->register_ajax_action( 'pro_get_stripe_tax_rates', [ $this, 'get_stripe_tax_rates' ] );
}
/**
* returns a list of tax rates
*
* if tax rates are set in stripe admin dashboard
* from here the tax rates array is implemented in
* tax rates select control
*
* @param array $data
*
* @return array - returns to js ajax function.
*
* @throws \Exception
* @since 3.7.0
*
*/
public function get_stripe_tax_rates( array $data ) {
Utils::_unstable_check_document_permissions( $data['editor_post_id'] );
$tax_rates_lists = [];
$tax_rates_lists['live_api_key'] = $this->get_tax_rates( $this->get_global_stripe_live_secret_key() );
$tax_rates_lists['test_api_key'] = $this->get_tax_rates( $this->get_global_stripe_test_secret_key() );
return $tax_rates_lists;
}
/**
* Get ajax tax rates from API
*
* Read all ajax tax rates from stripes API and
*
* @since 3.7.0
*
* @param string $secret_key
*
* @return array - returns to js ajax function.
*
*/
protected function tax_rates_result_funnel( $secret_key ) {
$response = $this->stripe_handler->get( $secret_key, self::STRIPE_TAX_ENDPOINT_URL, [ 'active' => 'true' ] );
// If there is no internet connection or no active tax rates in stripe
if ( ! is_wp_error( $response ) ) {
$decoded_response = json_decode( $response['body'], true );
// If there is no API key or a wrong one in integrations page
if ( isset( $decoded_response['error'] ) || 0 === count( $decoded_response['data'] ) ) {
$data = [];
} else {
$data = $decoded_response['data'];
}
} else {
$data = [];
}
return $data;
}
/**
* Gets and Organizes all tax rates in a
* list suitable for the select control
*
* @since 3.7.0
*
* @param string $secret_key
*
* @return array - returns to js ajax function.
*
*/
protected function get_tax_rates( $secret_key ) {
$data = $this->tax_rates_result_funnel( $secret_key );
return $this->tax_rates_options( $data );
}
/**
* Create options array for tax_rates controls
*
* This function can return two scenarios:
* 1. Show tax rates options.
* 2. There are no active tax rates or the user is working on a local environment.
*
* @since 3.7.0
*
* @param array $data the returned value of get_data_from_api() function
*
* @return array $tax_rates_options placed as the control options
*/
private function tax_rates_options( $data = [] ) {
$tax_rates_options = [];
if ( ! empty( $data ) ) {
foreach ( $data as $k => $v ) {
$is_inclusive = ( true === $v['inclusive'] ? 'inclusive' : 'exclusive' );
$joint_tax_data = serialize( [ $v['id'], $is_inclusive ] );
$display_name = $v['description'] ? $v['display_name'] . ' - ' . $v['description'] : $v['display_name'];
$tax_rates_options[ $joint_tax_data ] = $display_name;
}
// Add 'None' value as the first element in $test_tax_rates_options array.
return array_merge( [ '' => esc_html__( 'None', 'elementor-pro' ) ], $tax_rates_options );
} else {
$tax_rates_options = [ '' => esc_html__( 'None', 'elementor-pro' ) ];
}
return $tax_rates_options;
}
/**
* Create options array for tax_rates controls
*
* Zero decimal currencies by stripe https://stripe.com/docs/currencies#zero-decimal
* this option is zero decimal what means that only complete numbers bill pass to stripe.
* for example 555.55 will return product_price of 555.
*
* @since 3.7.0
*
* @param $currency string
* @param $product_price
*
* @return false|float $tax_rates_options placed as the control options
*/
public function currency_adaptation( $currency, $product_price ) {
$zero_decimal = [ 'BIF', 'CLP', 'DJF', 'GNF', 'JPY', 'KMF', 'KRW', 'MGA', 'PYG', 'RWF', 'UGX', 'VND', 'VUV', 'XAF', 'XOF', 'XPF' ];
if ( in_array( $currency, $zero_decimal ) ) {
// There is no need to multiply $product_price by 100
return floor( $product_price );
} else {
return floor( $product_price * 100 );
}
}
/**
* Secret key conditional function
*
* @since 3.7.0
*
* @param string $test_mode
*
* @return void
*/
public function set_secret_key_by_environment_state( $test_mode = 'no' ) {
if ( ! $this->secret_key ) {
if ( 'yes' === $test_mode ) {
$this->secret_key = $this->get_global_stripe_test_secret_key();
} else {
$this->secret_key = $this->get_global_stripe_live_secret_key();
}
}
}
/**
* Ajax callback function - API stripe call .
*
* get stripe user data on widget load
* sends the product data and returns the product page checkout url.
*
* @since 3.7.0
*/
public function submit_stripe_form() {
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$data = Utils::_unstable_get_super_global_value( $_POST, 'data' );
if ( ! isset( $data['nonce'] ) || ! wp_verify_nonce( $data['nonce'], 'stripe_form_submit' ) ) {
$this->error_handler( 403, esc_html__( 'Something went wrong, please refresh the page.', 'elementor-pro' ) );
die();
}
$args = [];
$widget_id = $data['widgetId'] ?? null;
$args['page_url'] = $data['pageUrl'] ?? null;
Plugin::elementor()->db->switch_to_post( $data['postId'] );
$document = Plugin::elementor()->documents->get( $data['postId'] );
// Retrieve data from widget document
if ( $document ) {
$widget = \ElementorPro\Modules\Forms\Module::find_element_recursive( $document->get_elements_data(), $widget_id );
$widget_instance = Plugin::elementor()->elements_manager->create_element_instance( $widget );
$widget_settings = $widget_instance->get_settings_for_display();
$args['product_name'] = $widget_settings['product_name'] ? $widget_settings['product_name'] : 'Product';
$product_price = $widget_settings['stripe_product_price'] ? $widget_settings['stripe_product_price'] : null;
$args['currency'] = $widget['settings']['stripe_currency'] ? $widget['settings']['stripe_currency'] : 'USD';
$args['quantity'] = $widget['settings']['stripe_quantity'] ? $widget['settings']['stripe_quantity'] : 1;
$args['success_url'] = ( empty( $widget_settings['redirect_after_success']['url'] ) ? $args['page_url'] : $widget_settings['redirect_after_success']['url'] );
$args['shipping_amount'] = $widget_settings['shipping_amount'] ? $widget_settings['shipping_amount'] * 100 : '';
$this->stripe_test_mode = $widget['settings']['sandbox_mode'] ? $widget['settings']['sandbox_mode'] : 'no';
$args['test_mode'] = $this->stripe_test_mode;
$args['tax_rates'] = 'yes' === $args['test_mode'] ? $widget['settings']['stripe_test_env_tax_rates_list'] : $widget['settings']['stripe_live_env_tax_rates_list'];
}
$args['unit_amount'] = $this->currency_adaptation( $args['currency'], $product_price );
$this->set_secret_key_by_environment_state( $args['test_mode'] );
if ( ! empty( $this->secret_key ) ) {
$headers = [ 'Authorization' => 'Bearer ' . $this->secret_key ];
$body = $this->build_body_for_post_request( $args );
$this->execute_post_request_to_stripe_api( $headers, $body );
} else {
$this->error_handler( 401, esc_html__( 'You have not entered a valid secret key for this environment, Please add a valid secret key', 'elementor-pro' ) );
}
}
/**
* Builds the body for the API POST request.
*
* @since 3.7.0
*
* @param $args
*
* @return array
*/
public function build_body_for_post_request( $args ) {
$body = [
'cancel_url' => $args['page_url'],
'payment_method_types' => [ 'card' ],
'success_url' => $args['success_url'],
'mode' => 'payment',
'line_items[0][quantity]' => $args['quantity'],
'line_items[0][price_data][currency]' => $args['currency'],
'line_items[0][price_data][product_data][name]' => $args['product_name'],
'line_items[0][price_data][unit_amount]' => $args['unit_amount'],
];
if ( $args['shipping_amount'] ) {
$body['shipping_options'][0]['shipping_rate_data']['type'] = 'fixed_amount';
$body['shipping_options'][0]['shipping_rate_data']['fixed_amount']['amount'] = $args['shipping_amount'];
$body['shipping_options'][0]['shipping_rate_data']['fixed_amount']['currency'] = $args['currency'];
$body['shipping_options'][0]['shipping_rate_data']['display_name'] = esc_html__( 'shipping fee', 'elementor-pro' );
}
if ( isset( $args['tax_rates'] ) ) {
$tax_rate = unserialize( $args['tax_rates'] );
$tax_id = [ $tax_rate[0] ];
$tax_behavior = $tax_rate[1];
if ( ! empty( $tax_behavior ) && ! empty( $tax_id ) ) {
$body['line_items'][0]['price_data']['tax_behavior'] = $tax_behavior;
$body['line_items'][0]['tax_rates'] = $tax_id;
}
}
return $body;
}
/**
* API call handler
*
* @since 3.7.0
*
* @param $headers
* @param $body
*
* @return void
*/
public function execute_post_request_to_stripe_api( $headers, $body ) {
$response = $this->stripe_handler->post( $headers, $body, self::STRIPE_CHECKOUT_URL_EXT );
wp_send_json( $response );
}
/**
* Add secret_keys to Elementor integrations section
*
* @since 3.7.0
*
* @param Settings $settings
*/
public function register_admin_fields( Settings $settings ) {
$settings->add_section( Settings::TAB_INTEGRATIONS, 'stripe_api_keys', [
'callback' => function () {
echo '<hr><h2 id="stripe-btn-integration">' . esc_html__( 'Stripe', 'elementor-pro' ) . '</h2>';
echo '<p>' . esc_html__( 'Insert the API keys provided in the stripe admin dashboard to start collecting payments on your website using Stripe.', 'elementor-pro' ) . '<br />';
echo esc_html__( 'These keys will serve as your default API key for all stripe implementations on your site.', 'elementor-pro' ) . '</p>';
},
'fields' => [
self::STRIPE_TEST_SECRET_KEY => [
'label' => esc_html__( 'Test Secret key', 'elementor-pro' ),
'field_args' => [
'type' => 'text',
'desc' => sprintf(
/* translators: 1: Link to stripe api key explanation, 2: Link closing tag. */
esc_html__( 'Enter your test secret key %1$slink%2$s.', 'elementor-pro' ),
'<a href=" ' . self::WP_DASH_STRIPE_API_KEYS_LINK . ' " target="_blank">',
'</a>'
),
],
],
'validate_stripe_api_test_secret_key_button' => [
'field_args' => [
'type' => 'raw_html',
'html' => sprintf( '<button data-action="%s" data-nonce="%s" class="button elementor-button-spinner" id="elementor_pro_stripe_test_secret_key_button">%s</button>', self::STRIPE_TEST_SECRET_KEY . '_validate', wp_create_nonce( self::STRIPE_TEST_SECRET_KEY ), esc_html__( 'Validate Test API Key', 'elementor-pro' ) ),
],
],
self::STRIPE_LIVE_SECRET_KEY => [
'label' => esc_html__( 'Live Secret key', 'elementor-pro' ),
'field_args' => [
'type' => 'text',
'desc' => sprintf(
/* translators: 1: Link to stripe api key explanation, 2: Link closing tag. */
esc_html__( 'Enter your Live secret key %1$slink%2$s.', 'elementor-pro' ),
'<a href=" ' . self::WP_DASH_STRIPE_API_KEYS_LINK . ' " target="_blank">',
'</a>'
),
],
],
'validate_stripe_api_live_secret_key_button' => [
'field_args' => [
'type' => 'raw_html',
'html' => sprintf( '<button data-action="%s" data-nonce="%s" class="button elementor-button-spinner" id="elementor_pro_stripe_live_secret_key_button">%s</button>', self::STRIPE_TEST_SECRET_KEY . '_validate', wp_create_nonce( self::STRIPE_TEST_SECRET_KEY ), esc_html__( 'Validate Live API Key', 'elementor-pro' ) ),
],
],
'stripe_legal_disclaimer' => [
'field_args' => [
'type' => 'raw_html',
'html' => sprintf(
/* translators: %s: <br />. */
esc_html__( 'Please note: The Stripe name and logos are trademarks or service marks of Stripe, Inc. or its affiliates in the U.S. and other countries. %s Other names may be trademarks of their respective owners.', 'elementor-pro' ),
'<br />'
),
],
],
],
] );
}
/**
* Get the base URL for assets.
*
* @return string
*/
public function get_assets_base_url(): string {
return ELEMENTOR_PRO_URL;
}
public function __construct() {
parent::__construct();
$this->stripe_handler = new Stripe_Handler();
add_action( 'wp_ajax_submit_stripe_form', [ $this, 'submit_stripe_form' ] );
add_action( 'wp_ajax_nopriv_submit_stripe_form', [ $this, 'submit_stripe_form' ] );
add_action( 'elementor/ajax/register_actions', [ $this, 'register_ajax_actions' ] );
if ( current_user_can( 'administrator' ) && API::is_licence_has_feature( static::STRIPE_LICENCE_FEATURE_NAME, API::BC_VALIDATION_CALLBACK ) ) {
add_action( 'elementor/admin/after_create_settings/' . Settings::PAGE_ID, [ $this, 'register_admin_fields' ], 999 );
}
add_action( 'wp_ajax_' . self::STRIPE_TEST_SECRET_KEY . '_validate', [ $this, 'ajax_validate_secret_key' ] );
add_action( 'wp_ajax_' . self::STRIPE_LIVE_SECRET_KEY . '_validate', [ $this, 'ajax_validate_secret_key' ] );
}
}