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<?php
/**
 * Plugin Name: WooCommerce Square
 * Requires Plugins: woocommerce
 * Version: 5.0.0
 * Plugin URI: https://woocommerce.com/products/square/
 * Requires at least: 6.7
 * Tested up to: 6.8
 * Requires PHP: 7.4
 * PHP tested up to: 8.3
 *
 * Description: Securely accept payments, synchronize sales, and seamlessly manage inventory and product data between WooCommerce and Square POS.
 * Author: WooCommerce
 * Author URI: https://www.woocommerce.com/
 * Text Domain: woocommerce-square
 * Domain Path: /i18n/languages/
 *
 * License: GPL-3.0-or-later
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html GNU General Public License v3.0 or later
 *
 * @author WooCommerce
 * @copyright Copyright (c) 2019, Automattic, Inc.
 * @license http://www.gnu.org/licenses/gpl-3.0.html GNU General Public License v3.0 or later
 *
 * WC requires at least: 9.9
 * WC tested up to: 10.1
 */

defined( 'ABSPATH' ) || exit;

if ( ! defined( 'WC_SQUARE_PLUGIN_VERSION' ) ) {
	define( 'WC_SQUARE_PLUGIN_VERSION', '5.0.0' ); // WRCS: DEFINED_VERSION.
}

if ( ! defined( 'WC_SQUARE_PLUGIN_URL' ) ) {
	define( 'WC_SQUARE_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
}

if ( ! defined( 'WC_SQUARE_PLUGIN_PATH' ) ) {
	define( 'WC_SQUARE_PLUGIN_PATH', plugin_dir_path( __FILE__ ) );
}

if ( ! defined( 'WC_SQUARE_OPTION_ANY' ) ) {
	define( 'WC_SQUARE_OPTION_ANY', 'Any' );
}

if ( ! defined( 'WC_SQUARE_SYNC_ORDERS_EVENT_HOOK' ) ) {
	define( 'WC_SQUARE_SYNC_ORDERS_EVENT_HOOK', 'wc_square_sync_orders' );
}

/**
 * The plugin loader class.
 *
 * @since 2.0.0
 */
class WooCommerce_Square_Loader {

/** minimum PHP version required by this plugin */
	const MINIMUM_PHP_VERSION = '7.4.0';

/** minimum WordPress version required by this plugin */
	const MINIMUM_WP_VERSION = '6.7';

/** minimum WooCommerce version required by this plugin */
	const MINIMUM_WC_VERSION = '9.9';

/**
	 * SkyVerge plugin framework version used by this plugin
	 * Constant is left as it is for legacy purposes.
	 **/
	const FRAMEWORK_VERSION = '5.4.0';

/** the plugin name, for displaying notices */
	const PLUGIN_NAME = 'Square for WooCommerce';

/** @var WooCommerce_Square_Loader single instance of this class */
	private static $instance;

/** @var array the admin notices to add */
	private $notices = array();

/**
	 * Constructs the class.
	 *
	 * @since 2.0.0
	 */
	protected function __construct() {
		add_action( 'admin_notices', array( $this, 'admin_notices' ), 15 );
		add_action( 'before_woocommerce_init', array( $this, 'declare_features_compatibility' ) );
		/*
		 * Bootstrap the extension on plugins_loaded.
		 *
		 * This ensures that the extension is loaded after WooCommerce Core and to
		 * ensure the WC_VERSION constant is defined prior to checking for compatibility.
		 */
		add_action( 'plugins_loaded', array( $this, 'init_plugin' ) );
	}

/**
	 * Cloning instances is forbidden due to singleton pattern.
	 *
	 * @since 2.0.0
	 */
	public function __clone() {

// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		_doing_it_wrong( __FUNCTION__, sprintf( 'You cannot clone instances of %s.', get_class( $this ) ), '2.0.0' );
	}

/**
	 * Unserializing instances is forbidden due to singleton pattern.
	 *
	 * @since 2.0.0
	 */
	public function __wakeup() {

// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		_doing_it_wrong( __FUNCTION__, sprintf( 'You cannot unserialize instances of %s.', get_class( $this ) ), '2.0.0' );
	}

/**
	 * Initializes the plugin.
	 *
	 * @since 2.0.0
	 */
	public function init_plugin() {

if ( ! $this->is_environment_compatible() ) {
			return;
		}

$this->load_framework();

// autoload plugin and vendor files
		$loader = require_once plugin_dir_path( __FILE__ ) . 'vendor/autoload.php';

// register plugin namespace with autoloader
		$loader->addPsr4( 'WooCommerce\\Square\\', __DIR__ . '/includes' );

require_once plugin_dir_path( __FILE__ ) . 'includes/Functions.php';

// fire it up!
		wc_square();

add_action( 'woocommerce_blocks_payment_method_type_registration', array( $this, 'register_payment_method_block_integrations' ), 5, 1 );
	}

/**
	 * Loads the base framework classes.
	 *
	 * @since 2.0.0
	 */
	protected function load_framework() {
		require_once plugin_dir_path( __FILE__ ) . 'includes/Framework/Plugin.php';
		require_once plugin_dir_path( __FILE__ ) . 'includes/Framework/PaymentGateway/Payment_Gateway_Plugin.php';
	}

/**
	 * Gets the framework version in namespace form.
	 *
	 * @since 2.0.0
	 *
	 * @return string
	 */
	protected function get_framework_version_namespace() {

return 'v' . str_replace( '.', '_', $this->get_framework_version() );
	}

/**
	 * Gets the framework version used by this plugin.
	 *
	 * @since 2.0.0
	 *
	 * @return string
	 */
	protected function get_framework_version() {

return self::FRAMEWORK_VERSION;
	}

/**
	 * Adds notices for out-of-date WordPress and/or WooCommerce versions.
	 *
	 * @since 2.0.0
	 * @deprecated 4.6.3 Use \WooCommerce_Square_Loader::is_environment_compatible() instead.
	 */
	public function add_plugin_notices() {
		_deprecated_function( __METHOD__, '4.6.3', '\WooCommerce_Square_Loader::is_environment_compatible()' );
		$this->is_environment_compatible();
	}

/**
	 * Determines if the required plugins are compatible.
	 *
	 * @since 2.0.0
	 * @deprecated 4.6.3 Use \WooCommerce_Square_Loader::is_environment_compatible() instead.
	 *
	 * @return bool
	 */
	protected function plugins_compatible() {
		_deprecated_function( __METHOD__, '4.6.3', '\WooCommerce_Square_Loader::is_environment_compatible()' );
		return $this->is_environment_compatible();
	}

/**
	 * Determines if the WordPress compatible.
	 *
	 * @since 2.0.0
	 *
	 * @return bool
	 */
	protected function is_wp_compatible() {

if ( ! self::MINIMUM_WP_VERSION ) {
			return true;
		}

return version_compare( get_bloginfo( 'version' ), self::MINIMUM_WP_VERSION, '>=' );
	}

/**
	 * Determines if the WooCommerce compatible.
	 *
	 * @since 2.0.0
	 *
	 * @return bool
	 */
	protected function is_wc_compatible() {

if ( ! self::MINIMUM_WC_VERSION ) {
			return true;
		}

return defined( 'WC_VERSION' ) && version_compare( WC_VERSION, self::MINIMUM_WC_VERSION, '>=' );
	}

/**
	 * Deactivates the plugin.
	 *
	 * @since 2.0.0
	 */
	protected function deactivate_plugin() {

deactivate_plugins( plugin_basename( __FILE__ ) );

// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		if ( isset( $_GET['activate'] ) ) {
			// phpcs:ignore WordPress.Security.NonceVerification.Recommended
			unset( $_GET['activate'] );
		}
	}

/**
	 * Adds an admin notice to be displayed.
	 *
	 * @since 2.0.0
	 *
	 * @param string $slug the slug for the notice
	 * @param string $class the css class for the notice
	 * @param string $message the notice message
	 */
	public function add_admin_notice( $slug, $class, $message ) {

$this->notices[ $slug ] = array(
			'class'   => $class,
			'message' => $message,
		);
	}

/**
	 * Displays any admin notices added with \WooCommerce_Square_Loader::add_admin_notice()
	 *
	 * @since 2.0.0
	 */
	public function admin_notices() {

foreach ( (array) $this->notices as $notice_key => $notice ) {

?>
			<div class="<?php echo esc_attr( $notice['class'] ); ?>">
				
					<?php
						echo wp_kses(
							$notice['message'],
							array(
								'a' => array(
									'href' => array(),
									'target' => array(),
								),
								'code' => array(),
								'strong' => array(),
								'br' => array(),
							)
						);
					?>
				
			</div>
			<?php
		}
	}

/**
	 * Determines if the server environment is compatible with this plugin.
	 *
	 * Override this method to add checks for more than just the PHP version.
	 *
	 * @since 2.0.0
	 *
	 * @return bool
	 */
	public function is_environment_compatible() {
		$is_wc_compatible        = $this->is_wc_compatible();
		$is_wp_compatible        = $this->is_wp_compatible();
		$is_php_valid            = $this->is_php_version_valid();
		$is_opcache_config_valid = $this->is_opcache_save_message_enabled();
		$error_message           = '';

if ( ! $is_php_valid || ! $is_opcache_config_valid || ! $is_wc_compatible || ! $is_wp_compatible ) {
			$error_message .= sprintf(
				// translators: plugin name
				__( 'All features in %1$s have been disabled due to unsupported settings: ', 'woocommerce-square' ),
				self::PLUGIN_NAME
			);
		}

if ( ! $is_php_valid ) {
			$error_message .= sprintf(
				// translators: minimum PHP version, current PHP version
				__( '&bull;&nbsp;Invalid PHP version: The minimum PHP version required is %1$s. You are running %2$s. ', 'woocommerce-square' ),
				self::MINIMUM_PHP_VERSION,
				PHP_VERSION
			);
		}

if ( ! $is_opcache_config_valid ) {
			$error_message .= sprintf(
				// translators: link to documentation
				__( '&bull;&nbsp;Invalid OPcache config: <a href="%s" target="_blank">Please ensure the <code>save_comments</code> PHP option is enabled.</a> You may need to contact your hosting provider to change caching options.', 'woocommerce-square' ),
				'https://woocommerce.com/document/woocommerce-square/troubleshooting/#section-3'
			);
		}

if ( ! $is_wc_compatible ) {
			if ( ! defined( 'WC_VERSION' ) ) {
				$error_message .= sprintf(
					// translators: 1: Minimum required WooCommerce version.
					__( '&bull;&nbsp;WooCommerce is not installed: The plugin requires WooCommerce version %1$s or later be installed. ', 'woocommerce-square' ),
					self::MINIMUM_WC_VERSION
				);
			} else {
				$error_message .= sprintf(
					// translators: 1: Plugin name, 2: Minimum required WooCommerce version, 3: Opening link to upgrade screen, 4: Closing link, 5: Opening link to download page, 6: Closing link.
					'&bull;&nbsp;%1$s requires WooCommerce version %2$s or higher. Please %3$supdate WooCommerce%4$s to the latest version, or %5$sdownload the minimum required version &raquo;%6$s ',
					'' . self::PLUGIN_NAME . '',
					self::MINIMUM_WC_VERSION,
					'<a href="' . esc_url( admin_url( 'update-core.php' ) ) . '">',
					'</a>',
					'<a href="' . esc_url( $this->get_woocommerce_download_link( 'minimum' ) ) . '">',
					'</a>'
				);
			}
		}

if ( ! $is_wp_compatible ) {
			$error_message .= sprintf(
				// translators: 1: Plugin name, 2: Minimum required WordPress version, 3: Opening link to upgrade screen, 4: Closing link.
				'&bull;&nbsp;%s requires WordPress version %s or higher. Please %supdate WordPress &raquo;%s ',
				'' . self::PLUGIN_NAME . '',
				self::MINIMUM_WP_VERSION,
				'<a href="' . esc_url( admin_url( 'update-core.php' ) ) . '">',
				'</a>'
			);
		}

if ( ! empty( $error_message ) ) {
			$this->add_admin_notice(
				'bad_environment',
				'error',
				$error_message
			);
		}

return $is_php_valid && $is_opcache_config_valid && $is_wc_compatible && $is_wp_compatible;
	}

/**
	 * Get the WooCommerce download link for a specific version.
	 *
	 * Ensures the download link is correct for major versions of WooCommerce by
	 * ensuring that specific download links match the tagged version and include
	 * three parts in the version number.
	 *
	 * @since 4.6.3
	 *
	 * @param string|int|float $version The version of WooCommerce to get the download link for.
	 *                                  Accepts a version number in the forms of 'x', 'x.x' or 'x.x.x'.
	 *                                  Accepts the strings 'minimum' and 'latest'.
	 *                                  Defaults to 'latest'.
	 * @return string The download link for the WooCommerce version.
	 */
	public function get_woocommerce_download_link( $version = 'latest' ) {
		$version = (string) $version;
		$version = strtolower( $version );

if ( preg_match( '/^(\d+\.)*(\d+)$/', $version ) || 'minimum' === $version ) {
			if ( 'minimum' === $version ) {
				$version_download_string = self::MINIMUM_WC_VERSION;
			} else {
				$version_download_string = $version;
			}
			$version_parts = explode( '.', $version_download_string );
			/*
			 * Ensure the version string has at least 3 parts.
			 *
			 * Publicly major versions are listed as two parts, eg 6.7, but the
			 * tag published to the WordPress.org repository uses three parts,
			 * eg 6.7.0.
			 *
			 * This is to ensure the download link is correct.
			 */
			$version_part_count = count( $version_parts ); // Coding standards don't allow for count() in the while condition.
			while ( $version_part_count < 3 ) {
				$version_parts[] = '0';
				$version_part_count = count( $version_parts );
			}
			$version_download_string = implode( '.', $version_parts );
		} else {
			// Default to latest version.
			$version_download_string = 'latest-stable';
		}

return "https://downloads.wordpress.org/plugin/woocommerce.{$version_download_string}.zip";
	}

/**
	 * Declares support for WooCommerce features.
	 */
	public function declare_features_compatibility() {
		if ( class_exists( '\Automattic\WooCommerce\Utilities\FeaturesUtil' ) ) {
			\Automattic\WooCommerce\Utilities\FeaturesUtil::declare_compatibility( 'custom_order_tables', __FILE__, true );

new \WooCommerce\Square\Admin\Product_Editor_Compatibility();
		}
	}

/**
	 * Returns true if opcache.save_comments is enabled.
	 *
	 * @since 3.0.2
	 *
	 * @return boolean
	 */
	protected function is_opcache_save_message_enabled() {
		$zend_optimizer_plus = extension_loaded( 'Zend Optimizer+' ) && '0' === ( ini_get( 'zend_optimizerplus.save_comments' ) || '0' === ini_get( 'opcache.save_comments' ) );
		$zend_opcache        = extension_loaded( 'Zend OPcache' ) && '0' === ini_get( 'opcache.save_comments' );

return ! ( $zend_optimizer_plus || $zend_opcache );
	}

/**
	 * Returns true if the PHP version of the environment
	 * meets the requirement.
	 *
	 * @since 3.0.2
	 *
	 * @return boolean
	 */
	protected function is_php_version_valid() {
		return version_compare( PHP_VERSION, self::MINIMUM_PHP_VERSION, '>=' );
	}

/**
	 * Register the Square Credit Card checkout block integration class
	 *
	 * @since 2.5.0
	 */
	public function register_payment_method_block_integrations( $payment_method_registry ) {
		if ( class_exists( '\Automattic\WooCommerce\Blocks\Payments\Integrations\AbstractPaymentMethodType' ) ) {
			$payment_method_registry->register( new WooCommerce\Square\Gateway\Blocks_Handler() );
			$payment_method_registry->register( new WooCommerce\Square\Gateway\Cash_App_Pay_Blocks_Handler() );
		}
	}

/**
	 * Gets the main plugin loader instance.
	 *
	 * Ensures only one instance can be loaded.
	 *
	 * @since 2.0.0
	 *
	 * @return \WooCommerce_Square_Loader
	 */
	public static function instance() {

if ( null === self::$instance ) {
			self::$instance = new self();
		}

return self::$instance;
	}

}

// fire it up!
WooCommerce_Square_Loader::instance();

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