includes/class-wc-stripe-apple-pay-registration.php - woocommerce-gateway-stripe - Git - code.swisschili.sh

 <?php
 /**
  * Stripe Apple Pay Registration Class.
  *
  * @since 4.0.6
  */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit;
 }

 class WC_Stripe_Apple_Pay_Registration {

 	const DOMAIN_ASSOCIATION_FILE_NAME = 'apple-developer-merchantid-domain-association';
 	const DOMAIN_ASSOCIATION_FILE_DIR  = '.well-known';

 	/**
 	 * Enabled.
 	 *
 	 * @var
 	 */
 	public $stripe_settings;

 	/**
 	 * Apple Pay Domain Set.
 	 *
 	 * @var bool
 	 */
 	public $apple_pay_domain_set;

 	/**
 	 * Current domain name.
 	 *
 	 * @var bool
 	 */
 	private $domain_name;

 	/**
 	 * Stores Apple Pay domain verification issues.
 	 *
 	 * @var string
 	 */
 	public $apple_pay_verify_notice;

 	public function __construct() {
 		add_action( 'init', [ $this, 'add_domain_association_rewrite_rule' ] );
 		add_action( 'admin_init', [ $this, 'verify_domain_on_domain_name_change' ] );
 		add_action( 'admin_notices', [ $this, 'admin_notices' ] );
 		add_filter( 'query_vars', [ $this, 'whitelist_domain_association_query_param' ], 10, 1 );
 		add_action( 'parse_request', [ $this, 'parse_domain_association_request' ], 10, 1 );

 		add_action( 'woocommerce_stripe_updated', [ $this, 'verify_domain_if_configured' ] );
 		add_action( 'add_option_woocommerce_stripe_settings', [ $this, 'verify_domain_on_new_settings' ], 10, 2 );
 		add_action( 'update_option_woocommerce_stripe_settings', [ $this, 'verify_domain_on_updated_settings' ], 10, 2 );

 		$this->stripe_settings         = get_option( 'woocommerce_stripe_settings', [] );
 		$this->domain_name             = isset( $_SERVER['HTTP_HOST'] ) ? $_SERVER['HTTP_HOST'] : str_replace( array( 'https://', 'http://' ), '', get_site_url() ); // @codingStandardsIgnoreLine
 		$this->apple_pay_domain_set    = 'yes' === $this->get_option( 'apple_pay_domain_set', 'no' );
 		$this->apple_pay_verify_notice = '';
 	}

 	/**
 	 * Gets the Stripe settings.
 	 *
 	 * @since 4.0.6
 	 * @param string         $setting
 	 * @param string default
 	 * @return string $setting_value
 	 */
 	public function get_option( $setting = '', $default = '' ) {
 		if ( empty( $this->stripe_settings ) ) {
 			return $default;
 		}

 		if ( ! empty( $this->stripe_settings[ $setting ] ) ) {
 			return $this->stripe_settings[ $setting ];
 		}

 		return $default;
 	}

 	/**
 	 * Whether the gateway and Payment Request Button (prerequisites for Apple Pay) are enabled.
 	 *
 	 * @since 4.5.4
 	 * @return string Whether Apple Pay required settings are enabled.
 	 */
 	private function is_enabled() {
 		$stripe_enabled                 = 'yes' === $this->get_option( 'enabled', 'no' );
 		$payment_request_button_enabled = 'yes' === $this->get_option( 'payment_request', 'yes' );

 		return $stripe_enabled && $payment_request_button_enabled;
 	}

 	/**
 	 * Gets the Stripe secret key for the current mode.
 	 *
 	 * @since 4.5.3
 	 * @version 4.9.0
 	 * @return string Secret key.
 	 */
 	private function get_secret_key() {
 		return $this->get_option( 'secret_key' );
 	}

 	/**
 	 * Trigger Apple Pay registration upon domain name change.
 	 *
 	 * @since 4.9.0
 	 */
 	public function verify_domain_on_domain_name_change() {
 		if ( $this->domain_name !== $this->get_option( 'apple_pay_verified_domain' ) ) {
 			$this->verify_domain_if_configured();
 		}
 	}

 	/**
 	 * Vefifies if hosted domain association file is up to date
 	 * with the file from the plugin directory.
 	 *
 	 * @since 4.9.0
 	 * @return bool Whether file is up to date or not.
 	 */
 	private function verify_hosted_domain_association_file_is_up_to_date() {
 		// Contents of domain association file from plugin dir.
 		$new_contents = @file_get_contents( WC_STRIPE_PLUGIN_PATH . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME ); // @codingStandardsIgnoreLine
 		// Get file contents from local path and remote URL and check if either of which matches.
 		$fullpath        = untrailingslashit( ABSPATH ) . '/' . self::DOMAIN_ASSOCIATION_FILE_DIR . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;
 		$local_contents  = @file_get_contents( $fullpath ); // @codingStandardsIgnoreLine
 		$url             = get_site_url() . '/' . self::DOMAIN_ASSOCIATION_FILE_DIR . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;
 		$response        = @wp_remote_get( $url ); // @codingStandardsIgnoreLine
 		$remote_contents = @wp_remote_retrieve_body( $response ); // @codingStandardsIgnoreLine

 		return $local_contents === $new_contents || $remote_contents === $new_contents;
 	}

 	/**
 	 * Copies and overwrites domain association file.
 	 *
 	 * @since 4.9.0
 	 * @return null|string Error message.
 	 */
 	private function copy_and_overwrite_domain_association_file() {
 		$well_known_dir = untrailingslashit( ABSPATH ) . '/' . self::DOMAIN_ASSOCIATION_FILE_DIR;
 		$fullpath       = $well_known_dir . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;

 		if ( ! file_exists( $well_known_dir ) ) {
 			if ( ! @mkdir( $well_known_dir, 0755 ) ) { // @codingStandardsIgnoreLine
 				return __( 'Unable to create domain association folder to domain root.', 'woocommerce-gateway-stripe' );
 			}
 		}

 		if ( ! @copy( WC_STRIPE_PLUGIN_PATH . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME, $fullpath ) ) { // @codingStandardsIgnoreLine
 			return __( 'Unable to copy domain association file to domain root.', 'woocommerce-gateway-stripe' );
 		}
 	}

 	/**
 	 * Updates the Apple Pay domain association file.
 	 * Reports failure only if file isn't already being served properly.
 	 *
 	 * @since 4.9.0
 	 */
 	public function update_domain_association_file() {
 		if ( $this->verify_hosted_domain_association_file_is_up_to_date() ) {
 			return;
 		}

 		$error_message = $this->copy_and_overwrite_domain_association_file();

 		if ( isset( $error_message ) ) {
 			$url = get_site_url() . '/' . self::DOMAIN_ASSOCIATION_FILE_DIR . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;
 			WC_Stripe_Logger::log(
 				'Error: ' . $error_message . ' ' .
 				/* translators: expected domain association file URL */
 				sprintf( __( 'To enable Apple Pay, domain association file must be hosted at %s.', 'woocommerce-gateway-stripe' ), $url )
 			);
 		} else {
 			WC_Stripe_Logger::log( __( 'Domain association file updated.', 'woocommerce-gateway-stripe' ) );
 		}
 	}

 	/**
 	 * Adds a rewrite rule for serving the domain association file from the proper location.
 	 */
 	public function add_domain_association_rewrite_rule() {
 		$regex    = '^\\' . self::DOMAIN_ASSOCIATION_FILE_DIR . '\/' . self::DOMAIN_ASSOCIATION_FILE_NAME . '$';
 		$redirect = 'index.php?' . self::DOMAIN_ASSOCIATION_FILE_NAME . '=1';

 		add_rewrite_rule( $regex, $redirect, 'top' );
 	}

 	/**
 	 * Add to the list of publicly allowed query variables.
 	 *
 	 * @param  array $query_vars - provided public query vars.
 	 * @return array Updated public query vars.
 	 */
 	public function whitelist_domain_association_query_param( $query_vars ) {
 		$query_vars[] = self::DOMAIN_ASSOCIATION_FILE_NAME;
 		return $query_vars;
 	}

 	/**
 	 * Serve domain association file when proper query param is provided.
 	 *
 	 * @param WP WordPress environment object.
 	 */
 	public function parse_domain_association_request( $wp ) {
 		if (
 			! isset( $wp->query_vars[ self::DOMAIN_ASSOCIATION_FILE_NAME ] ) ||
 			'1' !== $wp->query_vars[ self::DOMAIN_ASSOCIATION_FILE_NAME ]
 		) {
 			return;
 		}

 		$path = WC_STRIPE_PLUGIN_PATH . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;
 		header( 'Content-Type: text/plain;charset=utf-8' );
 		echo esc_html( file_get_contents( $path ) );
 		exit;
 	}

 	/**
 	 * Makes request to register the domain with Stripe/Apple Pay.
 	 *
 	 * @since 3.1.0
 	 * @version 4.9.0
 	 * @param string $secret_key
 	 */
 	private function make_domain_registration_request( $secret_key ) {
 		if ( empty( $secret_key ) ) {
 			throw new Exception( __( 'Unable to verify domain - missing secret key.', 'woocommerce-gateway-stripe' ) );
 		}

 		$endpoint = 'https://api.stripe.com/v1/apple_pay/domains';

 		$data = [
 			'domain_name' => $this->domain_name,
 		];

 		$headers = [
 			'User-Agent'    => 'WooCommerce Stripe Apple Pay',
 			'Authorization' => 'Bearer ' . $secret_key,
 		];

 		$response = wp_remote_post(
 			$endpoint,
 			[
 				'headers' => $headers,
 				'body'    => http_build_query( $data ),
 				'timeout' => 30,
 			]
 		);

 		if ( is_wp_error( $response ) ) {
 			/* translators: error message */
 			throw new Exception( sprintf( __( 'Unable to verify domain - %s', 'woocommerce-gateway-stripe' ), $response->get_error_message() ) );
 		}

 		if ( 200 !== $response['response']['code'] ) {
 			$parsed_response = json_decode( $response['body'] );

 			$this->apple_pay_verify_notice = $parsed_response->error->message;

 			/* translators: error message */
 			throw new Exception( sprintf( __( 'Unable to verify domain - %s', 'woocommerce-gateway-stripe' ), $parsed_response->error->message ) );
 		}
 	}

 	/**
 	 * Processes the Apple Pay domain verification.
 	 *
 	 * @since 3.1.0
 	 * @version 4.5.4
 	 *
 	 * @param string $secret_key
 	 *
 	 * @return bool Whether domain verification succeeded.
 	 */
 	public function register_domain_with_apple( $secret_key ) {
 		try {
 			$this->make_domain_registration_request( $secret_key );

 			// No errors to this point, verification success!
 			$this->stripe_settings['apple_pay_verified_domain'] = $this->domain_name;
 			$this->stripe_settings['apple_pay_domain_set']      = 'yes';
 			$this->apple_pay_domain_set                         = true;

 			update_option( 'woocommerce_stripe_settings', $this->stripe_settings );

 			WC_Stripe_Logger::log( 'Your domain has been verified with Apple Pay!' );

 			return true;

 		} catch ( Exception $e ) {
 			$this->stripe_settings['apple_pay_verified_domain'] = $this->domain_name;
 			$this->stripe_settings['apple_pay_domain_set']      = 'no';
 			$this->apple_pay_domain_set                         = false;

 			update_option( 'woocommerce_stripe_settings', $this->stripe_settings );

 			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );

 			return false;
 		}
 	}

 	/**
 	 * Process the Apple Pay domain verification if proper settings are configured.
 	 *
 	 * @since 4.5.4
 	 * @version 4.9.0
 	 */
 	public function verify_domain_if_configured() {
 		$secret_key = $this->get_secret_key();

 		if ( ! $this->is_enabled() || empty( $secret_key ) ) {
 			return;
 		}

 		// Ensure that domain association file will be served.
 		flush_rewrite_rules();

 		// The rewrite rule method doesn't work if permalinks are set to Plain.
 		// Create/update domain association file by copying it from the plugin folder as a fallback.
 		$this->update_domain_association_file();

 		// Register the domain with Apple Pay.
 		$verification_complete = $this->register_domain_with_apple( $secret_key );

 		// Show/hide notes if necessary.
 		WC_Stripe_Inbox_Notes::notify_on_apple_pay_domain_verification( $verification_complete );
 	}

 	/**
 	 * Conditionally process the Apple Pay domain verification after settings are initially set.
 	 *
 	 * @since 4.5.4
 	 * @version 4.5.4
 	 */
 	public function verify_domain_on_new_settings( $option, $settings ) {
 		$this->verify_domain_on_updated_settings( [], $settings );
 	}

 	/**
 	 * Conditionally process the Apple Pay domain verification after settings are updated.
 	 *
 	 * @since 4.5.3
 	 * @version 4.5.4
 	 */
 	public function verify_domain_on_updated_settings( $prev_settings, $settings ) {
 		// Grab previous state and then update cached settings.
 		$this->stripe_settings = $prev_settings;
 		$prev_secret_key       = $this->get_secret_key();
 		$prev_is_enabled       = $this->is_enabled();
 		$this->stripe_settings = $settings;

 		// If Stripe or Payment Request Button wasn't enabled (or secret key was different) then might need to verify now.
 		if ( ! $prev_is_enabled || ( $this->get_secret_key() !== $prev_secret_key ) ) {
 			$this->verify_domain_if_configured();
 		}
 	}

 	/**
 	 * Display any admin notices to the user.
 	 *
 	 * @since 4.0.6
 	 */
 	public function admin_notices() {
 		if ( ! $this->is_enabled() ) {
 			return;
 		}

 		if ( ! current_user_can( 'manage_woocommerce' ) ) {
 			return;
 		}

 		$empty_notice = empty( $this->apple_pay_verify_notice );
 		if ( $empty_notice && ( $this->apple_pay_domain_set || empty( $this->secret_key ) ) ) {
 			return;
 		}

 		/**
 		 * Apple pay is enabled by default and domain verification initializes
 		 * when setting screen is displayed. So if domain verification is not set,
 		 * something went wrong so lets notify user.
 		 */
 		$allowed_html                      = [
 			'a' => [
 				'href'  => [],
 				'title' => [],
 			],
 		];
 		$verification_failed_without_error = __( 'Apple Pay domain verification failed.', 'woocommerce-gateway-stripe' );
 		$verification_failed_with_error    = __( 'Apple Pay domain verification failed with the following error:', 'woocommerce-gateway-stripe' );
 		$check_log_text                    = sprintf(
 			/* translators: 1) HTML anchor open tag 2) HTML anchor closing tag */
 			esc_html__( 'Please check the %1$slogs%2$s for more details on this issue. Logging must be enabled to see recorded logs.', 'woocommerce-gateway-stripe' ),
 			'<a href="' . admin_url( 'admin.php?page=wc-status&tab=logs' ) . '">',
 			'</a>'
 		);

 		?>
 		<div class="error stripe-apple-pay-message">
 			<?php if ( $empty_notice ) : ?>
 				<p><?php echo esc_html( $verification_failed_without_error ); ?></p>
 			<?php else : ?>
 				<p><?php echo esc_html( $verification_failed_with_error ); ?></p>
 				<p><i><?php echo wp_kses( make_clickable( esc_html( $this->apple_pay_verify_notice ) ), $allowed_html ); ?></i></p>
 			<?php endif; ?>
 			<p><?php echo $check_log_text; ?></p>
 		</div>
 		<?php
 	}
 }

 new WC_Stripe_Apple_Pay_Registration();
	<?php
	/**
	* Stripe Apple Pay Registration Class.
	*
	* @since 4.0.6
	*/

	if ( ! defined( 'ABSPATH' ) ) {
	exit;
	}

	class WC_Stripe_Apple_Pay_Registration {

	const DOMAIN_ASSOCIATION_FILE_NAME = 'apple-developer-merchantid-domain-association';
	const DOMAIN_ASSOCIATION_FILE_DIR = '.well-known';

	/**
	* Enabled.
	*
	* @var
	*/
	public $stripe_settings;

	/**
	* Apple Pay Domain Set.
	*
	* @var bool
	*/
	public $apple_pay_domain_set;

	/**
	* Current domain name.
	*
	* @var bool
	*/
	private $domain_name;

	/**
	* Stores Apple Pay domain verification issues.
	*
	* @var string
	*/
	public $apple_pay_verify_notice;

	public function __construct() {
	add_action( 'init', [ $this, 'add_domain_association_rewrite_rule' ] );
	add_action( 'admin_init', [ $this, 'verify_domain_on_domain_name_change' ] );
	add_action( 'admin_notices', [ $this, 'admin_notices' ] );
	add_filter( 'query_vars', [ $this, 'whitelist_domain_association_query_param' ], 10, 1 );
	add_action( 'parse_request', [ $this, 'parse_domain_association_request' ], 10, 1 );

	add_action( 'woocommerce_stripe_updated', [ $this, 'verify_domain_if_configured' ] );
	add_action( 'add_option_woocommerce_stripe_settings', [ $this, 'verify_domain_on_new_settings' ], 10, 2 );
	add_action( 'update_option_woocommerce_stripe_settings', [ $this, 'verify_domain_on_updated_settings' ], 10, 2 );

	$this->stripe_settings = get_option( 'woocommerce_stripe_settings', [] );
	$this->domain_name = isset( $_SERVER['HTTP_HOST'] ) ? $_SERVER['HTTP_HOST'] : str_replace( array( 'https://', 'http://' ), '', get_site_url() ); // @codingStandardsIgnoreLine
	$this->apple_pay_domain_set = 'yes' === $this->get_option( 'apple_pay_domain_set', 'no' );
	$this->apple_pay_verify_notice = '';
	}

	/**
	* Gets the Stripe settings.
	*
	* @since 4.0.6
	* @param string $setting
	* @param string default
	* @return string $setting_value
	*/
	public function get_option( $setting = '', $default = '' ) {
	if ( empty( $this->stripe_settings ) ) {
	return $default;
	}

	if ( ! empty( $this->stripe_settings[ $setting ] ) ) {
	return $this->stripe_settings[ $setting ];
	}

	return $default;
	}

	/**
	* Whether the gateway and Payment Request Button (prerequisites for Apple Pay) are enabled.
	*
	* @since 4.5.4
	* @return string Whether Apple Pay required settings are enabled.
	*/
	private function is_enabled() {
	$stripe_enabled = 'yes' === $this->get_option( 'enabled', 'no' );
	$payment_request_button_enabled = 'yes' === $this->get_option( 'payment_request', 'yes' );

	return $stripe_enabled && $payment_request_button_enabled;
	}

	/**
	* Gets the Stripe secret key for the current mode.
	*
	* @since 4.5.3
	* @version 4.9.0
	* @return string Secret key.
	*/
	private function get_secret_key() {
	return $this->get_option( 'secret_key' );
	}

	/**
	* Trigger Apple Pay registration upon domain name change.
	*
	* @since 4.9.0
	*/
	public function verify_domain_on_domain_name_change() {
	if ( $this->domain_name !== $this->get_option( 'apple_pay_verified_domain' ) ) {
	$this->verify_domain_if_configured();
	}
	}

	/**
	* Vefifies if hosted domain association file is up to date
	* with the file from the plugin directory.
	*
	* @since 4.9.0
	* @return bool Whether file is up to date or not.
	*/
	private function verify_hosted_domain_association_file_is_up_to_date() {
	// Contents of domain association file from plugin dir.
	$new_contents = @file_get_contents( WC_STRIPE_PLUGIN_PATH . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME ); // @codingStandardsIgnoreLine
	// Get file contents from local path and remote URL and check if either of which matches.
	$fullpath = untrailingslashit( ABSPATH ) . '/' . self::DOMAIN_ASSOCIATION_FILE_DIR . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;
	$local_contents = @file_get_contents( $fullpath ); // @codingStandardsIgnoreLine
	$url = get_site_url() . '/' . self::DOMAIN_ASSOCIATION_FILE_DIR . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;
	$response = @wp_remote_get( $url ); // @codingStandardsIgnoreLine
	$remote_contents = @wp_remote_retrieve_body( $response ); // @codingStandardsIgnoreLine

	return $local_contents === $new_contents \|\| $remote_contents === $new_contents;
	}

	/**
	* Copies and overwrites domain association file.
	*
	* @since 4.9.0
	* @return null\|string Error message.
	*/
	private function copy_and_overwrite_domain_association_file() {
	$well_known_dir = untrailingslashit( ABSPATH ) . '/' . self::DOMAIN_ASSOCIATION_FILE_DIR;
	$fullpath = $well_known_dir . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;

	if ( ! file_exists( $well_known_dir ) ) {
	if ( ! @mkdir( $well_known_dir, 0755 ) ) { // @codingStandardsIgnoreLine
	return __( 'Unable to create domain association folder to domain root.', 'woocommerce-gateway-stripe' );
	}
	}

	if ( ! @copy( WC_STRIPE_PLUGIN_PATH . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME, $fullpath ) ) { // @codingStandardsIgnoreLine
	return __( 'Unable to copy domain association file to domain root.', 'woocommerce-gateway-stripe' );
	}
	}

	/**
	* Updates the Apple Pay domain association file.
	* Reports failure only if file isn't already being served properly.
	*
	* @since 4.9.0
	*/
	public function update_domain_association_file() {
	if ( $this->verify_hosted_domain_association_file_is_up_to_date() ) {
	return;
	}

	$error_message = $this->copy_and_overwrite_domain_association_file();

	if ( isset( $error_message ) ) {
	$url = get_site_url() . '/' . self::DOMAIN_ASSOCIATION_FILE_DIR . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;
	WC_Stripe_Logger::log(
	'Error: ' . $error_message . ' ' .
	/* translators: expected domain association file URL */
	sprintf( __( 'To enable Apple Pay, domain association file must be hosted at %s.', 'woocommerce-gateway-stripe' ), $url )
	);
	} else {
	WC_Stripe_Logger::log( __( 'Domain association file updated.', 'woocommerce-gateway-stripe' ) );
	}
	}

	/**
	* Adds a rewrite rule for serving the domain association file from the proper location.
	*/
	public function add_domain_association_rewrite_rule() {
	$regex = '^\\' . self::DOMAIN_ASSOCIATION_FILE_DIR . '\/' . self::DOMAIN_ASSOCIATION_FILE_NAME . '$';
	$redirect = 'index.php?' . self::DOMAIN_ASSOCIATION_FILE_NAME . '=1';

	add_rewrite_rule( $regex, $redirect, 'top' );
	}

	/**
	* Add to the list of publicly allowed query variables.
	*
	* @param array $query_vars - provided public query vars.
	* @return array Updated public query vars.
	*/
	public function whitelist_domain_association_query_param( $query_vars ) {
	$query_vars[] = self::DOMAIN_ASSOCIATION_FILE_NAME;
	return $query_vars;
	}

	/**
	* Serve domain association file when proper query param is provided.
	*
	* @param WP WordPress environment object.
	*/
	public function parse_domain_association_request( $wp ) {
	if (
	! isset( $wp->query_vars[ self::DOMAIN_ASSOCIATION_FILE_NAME ] ) \|\|
	'1' !== $wp->query_vars[ self::DOMAIN_ASSOCIATION_FILE_NAME ]
	) {
	return;
	}

	$path = WC_STRIPE_PLUGIN_PATH . '/' . self::DOMAIN_ASSOCIATION_FILE_NAME;
	header( 'Content-Type: text/plain;charset=utf-8' );
	echo esc_html( file_get_contents( $path ) );
	exit;
	}

	/**
	* Makes request to register the domain with Stripe/Apple Pay.
	*
	* @since 3.1.0
	* @version 4.9.0
	* @param string $secret_key
	*/
	private function make_domain_registration_request( $secret_key ) {
	if ( empty( $secret_key ) ) {
	throw new Exception( __( 'Unable to verify domain - missing secret key.', 'woocommerce-gateway-stripe' ) );
	}

	$endpoint = 'https://api.stripe.com/v1/apple_pay/domains';

	$data = [
	'domain_name' => $this->domain_name,
	];

	$headers = [
	'User-Agent' => 'WooCommerce Stripe Apple Pay',
	'Authorization' => 'Bearer ' . $secret_key,
	];

	$response = wp_remote_post(
	$endpoint,
	[
	'headers' => $headers,
	'body' => http_build_query( $data ),
	'timeout' => 30,
	]
	);

	if ( is_wp_error( $response ) ) {
	/* translators: error message */
	throw new Exception( sprintf( __( 'Unable to verify domain - %s', 'woocommerce-gateway-stripe' ), $response->get_error_message() ) );
	}

	if ( 200 !== $response['response']['code'] ) {
	$parsed_response = json_decode( $response['body'] );

	$this->apple_pay_verify_notice = $parsed_response->error->message;

	/* translators: error message */
	throw new Exception( sprintf( __( 'Unable to verify domain - %s', 'woocommerce-gateway-stripe' ), $parsed_response->error->message ) );
	}
	}

	/**
	* Processes the Apple Pay domain verification.
	*
	* @since 3.1.0
	* @version 4.5.4
	*
	* @param string $secret_key
	*
	* @return bool Whether domain verification succeeded.
	*/
	public function register_domain_with_apple( $secret_key ) {
	try {
	$this->make_domain_registration_request( $secret_key );

	// No errors to this point, verification success!
	$this->stripe_settings['apple_pay_verified_domain'] = $this->domain_name;
	$this->stripe_settings['apple_pay_domain_set'] = 'yes';
	$this->apple_pay_domain_set = true;

	update_option( 'woocommerce_stripe_settings', $this->stripe_settings );

	WC_Stripe_Logger::log( 'Your domain has been verified with Apple Pay!' );

	return true;

	} catch ( Exception $e ) {
	$this->stripe_settings['apple_pay_verified_domain'] = $this->domain_name;
	$this->stripe_settings['apple_pay_domain_set'] = 'no';
	$this->apple_pay_domain_set = false;

	update_option( 'woocommerce_stripe_settings', $this->stripe_settings );

	WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );

	return false;
	}
	}

	/**
	* Process the Apple Pay domain verification if proper settings are configured.
	*
	* @since 4.5.4
	* @version 4.9.0
	*/
	public function verify_domain_if_configured() {
	$secret_key = $this->get_secret_key();

	if ( ! $this->is_enabled() \|\| empty( $secret_key ) ) {
	return;
	}

	// Ensure that domain association file will be served.
	flush_rewrite_rules();

	// The rewrite rule method doesn't work if permalinks are set to Plain.
	// Create/update domain association file by copying it from the plugin folder as a fallback.
	$this->update_domain_association_file();

	// Register the domain with Apple Pay.
	$verification_complete = $this->register_domain_with_apple( $secret_key );

	// Show/hide notes if necessary.
	WC_Stripe_Inbox_Notes::notify_on_apple_pay_domain_verification( $verification_complete );
	}

	/**
	* Conditionally process the Apple Pay domain verification after settings are initially set.
	*
	* @since 4.5.4
	* @version 4.5.4
	*/
	public function verify_domain_on_new_settings( $option, $settings ) {
	$this->verify_domain_on_updated_settings( [], $settings );
	}

	/**
	* Conditionally process the Apple Pay domain verification after settings are updated.
	*
	* @since 4.5.3
	* @version 4.5.4
	*/
	public function verify_domain_on_updated_settings( $prev_settings, $settings ) {
	// Grab previous state and then update cached settings.
	$this->stripe_settings = $prev_settings;
	$prev_secret_key = $this->get_secret_key();
	$prev_is_enabled = $this->is_enabled();
	$this->stripe_settings = $settings;

	// If Stripe or Payment Request Button wasn't enabled (or secret key was different) then might need to verify now.
	if ( ! $prev_is_enabled \|\| ( $this->get_secret_key() !== $prev_secret_key ) ) {
	$this->verify_domain_if_configured();
	}
	}

	/**
	* Display any admin notices to the user.
	*
	* @since 4.0.6
	*/
	public function admin_notices() {
	if ( ! $this->is_enabled() ) {
	return;
	}

	if ( ! current_user_can( 'manage_woocommerce' ) ) {
	return;
	}

	$empty_notice = empty( $this->apple_pay_verify_notice );
	if ( $empty_notice && ( $this->apple_pay_domain_set \|\| empty( $this->secret_key ) ) ) {
	return;
	}

	/**
	* Apple pay is enabled by default and domain verification initializes
	* when setting screen is displayed. So if domain verification is not set,
	* something went wrong so lets notify user.
	*/
	$allowed_html = [
	'a' => [
	'href' => [],
	'title' => [],
	],
	];
	$verification_failed_without_error = __( 'Apple Pay domain verification failed.', 'woocommerce-gateway-stripe' );
	$verification_failed_with_error = __( 'Apple Pay domain verification failed with the following error:', 'woocommerce-gateway-stripe' );
	$check_log_text = sprintf(
	/* translators: 1) HTML anchor open tag 2) HTML anchor closing tag */
	esc_html__( 'Please check the %1$slogs%2$s for more details on this issue. Logging must be enabled to see recorded logs.', 'woocommerce-gateway-stripe' ),
	'<a href="' . admin_url( 'admin.php?page=wc-status&tab=logs' ) . '">',
	'</a>'
	);

	?>
	<div class="error stripe-apple-pay-message">
	<?php if ( $empty_notice ) : ?>
	<p><?php echo esc_html( $verification_failed_without_error ); ?></p>
	<?php else : ?>
	<p><?php echo esc_html( $verification_failed_with_error ); ?></p>
	<p><i><?php echo wp_kses( make_clickable( esc_html( $this->apple_pay_verify_notice ) ), $allowed_html ); ?></i></p>
	<?php endif; ?>
	<p><?php echo $check_log_text; ?></p>
	</div>
	<?php
	}
	}

	new WC_Stripe_Apple_Pay_Registration();