415 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			415 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * Personal data erasers.
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 *
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 * @since 3.4.0
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 * @package WooCommerce\Classes
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 */
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defined( 'ABSPATH' ) || exit;
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/**
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 * WC_Privacy_Erasers Class.
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 */
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class WC_Privacy_Erasers {
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	/**
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	 * Finds and erases customer data by email address.
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	 *
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	 * @since 3.4.0
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	 * @param string $email_address The user email address.
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	 * @param int    $page  Page.
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	 * @return array An array of personal data in name value pairs
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	 */
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	public static function customer_data_eraser( $email_address, $page ) {
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		$response = array(
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			'items_removed'  => false,
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			'items_retained' => false,
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			'messages'       => array(),
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			'done'           => true,
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		);
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		$user = get_user_by( 'email', $email_address ); // Check if user has an ID in the DB to load stored personal data.
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		if ( ! $user instanceof WP_User ) {
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			return $response;
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		}
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		$customer = new WC_Customer( $user->ID );
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		if ( ! $customer ) {
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			return $response;
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		}
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		$props_to_erase = apply_filters(
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			'woocommerce_privacy_erase_customer_personal_data_props',
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			array(
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				'billing_first_name'  => __( 'Billing First Name', 'woocommerce' ),
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				'billing_last_name'   => __( 'Billing Last Name', 'woocommerce' ),
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				'billing_company'     => __( 'Billing Company', 'woocommerce' ),
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				'billing_address_1'   => __( 'Billing Address 1', 'woocommerce' ),
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				'billing_address_2'   => __( 'Billing Address 2', 'woocommerce' ),
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				'billing_city'        => __( 'Billing City', 'woocommerce' ),
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				'billing_postcode'    => __( 'Billing Postal/Zip Code', 'woocommerce' ),
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				'billing_state'       => __( 'Billing State', 'woocommerce' ),
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				'billing_country'     => __( 'Billing Country / Region', 'woocommerce' ),
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				'billing_phone'       => __( 'Billing Phone Number', 'woocommerce' ),
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				'billing_email'       => __( 'Email Address', 'woocommerce' ),
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				'shipping_first_name' => __( 'Shipping First Name', 'woocommerce' ),
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				'shipping_last_name'  => __( 'Shipping Last Name', 'woocommerce' ),
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				'shipping_company'    => __( 'Shipping Company', 'woocommerce' ),
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				'shipping_address_1'  => __( 'Shipping Address 1', 'woocommerce' ),
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				'shipping_address_2'  => __( 'Shipping Address 2', 'woocommerce' ),
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				'shipping_city'       => __( 'Shipping City', 'woocommerce' ),
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				'shipping_postcode'   => __( 'Shipping Postal/Zip Code', 'woocommerce' ),
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				'shipping_state'      => __( 'Shipping State', 'woocommerce' ),
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				'shipping_country'    => __( 'Shipping Country / Region', 'woocommerce' ),
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				'shipping_phone'      => __( 'Shipping Phone Number', 'woocommerce' ),
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			),
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			$customer
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		);
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		foreach ( $props_to_erase as $prop => $label ) {
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			$erased = false;
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			if ( is_callable( array( $customer, 'get_' . $prop ) ) && is_callable( array( $customer, 'set_' . $prop ) ) ) {
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				$value = $customer->{"get_$prop"}( 'edit' );
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				if ( $value ) {
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					$customer->{"set_$prop"}( '' );
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					$erased = true;
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				}
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			}
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			$erased = apply_filters( 'woocommerce_privacy_erase_customer_personal_data_prop', $erased, $prop, $customer );
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			if ( $erased ) {
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				/* Translators: %s Prop name. */
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				$response['messages'][]    = sprintf( __( 'Removed customer "%s"', 'woocommerce' ), $label );
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				$response['items_removed'] = true;
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			}
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		}
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		$customer->save();
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		/**
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		 * Allow extensions to remove data for this customer and adjust the response.
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		 *
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		 * @since 3.4.0
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		 * @param array    $response Array resonse data. Must include messages, num_items_removed, num_items_retained, done.
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		 * @param WC_Order $order A customer object.
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		 */
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		return apply_filters( 'woocommerce_privacy_erase_personal_data_customer', $response, $customer );
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	}
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	/**
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	 * Finds and erases data which could be used to identify a person from WooCommerce data assocated with an email address.
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	 *
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	 * Orders are erased in blocks of 10 to avoid timeouts.
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	 *
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	 * @since 3.4.0
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	 * @param string $email_address The user email address.
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	 * @param int    $page  Page.
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	 * @return array An array of personal data in name value pairs
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	 */
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	public static function order_data_eraser( $email_address, $page ) {
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		$page            = (int) $page;
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		$user            = get_user_by( 'email', $email_address ); // Check if user has an ID in the DB to load stored personal data.
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		$erasure_enabled = wc_string_to_bool( get_option( 'woocommerce_erasure_request_removes_order_data', 'no' ) );
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		$response        = array(
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			'items_removed'  => false,
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			'items_retained' => false,
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			'messages'       => array(),
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			'done'           => true,
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		);
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		$order_query = array(
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			'limit'    => 10,
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			'page'     => $page,
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			'customer' => array( $email_address ),
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		);
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		if ( $user instanceof WP_User ) {
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			$order_query['customer'][] = (int) $user->ID;
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		}
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		$orders = wc_get_orders( $order_query );
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		if ( 0 < count( $orders ) ) {
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			foreach ( $orders as $order ) {
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				if ( apply_filters( 'woocommerce_privacy_erase_order_personal_data', $erasure_enabled, $order ) ) {
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					self::remove_order_personal_data( $order );
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					/* Translators: %s Order number. */
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					$response['messages'][]    = sprintf( __( 'Removed personal data from order %s.', 'woocommerce' ), $order->get_order_number() );
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					$response['items_removed'] = true;
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				} else {
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					/* Translators: %s Order number. */
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					$response['messages'][]     = sprintf( __( 'Personal data within order %s has been retained.', 'woocommerce' ), $order->get_order_number() );
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					$response['items_retained'] = true;
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				}
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			}
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			$response['done'] = 10 > count( $orders );
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		} else {
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			$response['done'] = true;
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		}
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		return $response;
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	}
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	/**
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	 * Finds and removes customer download logs by email address.
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	 *
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	 * @since 3.4.0
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	 * @param string $email_address The user email address.
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	 * @param int    $page  Page.
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	 * @return array An array of personal data in name value pairs
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	 */
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	public static function download_data_eraser( $email_address, $page ) {
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		$page            = (int) $page;
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		$user            = get_user_by( 'email', $email_address ); // Check if user has an ID in the DB to load stored personal data.
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		$erasure_enabled = wc_string_to_bool( get_option( 'woocommerce_erasure_request_removes_download_data', 'no' ) );
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		$response        = array(
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			'items_removed'  => false,
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			'items_retained' => false,
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			'messages'       => array(),
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			'done'           => true,
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		);
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		$downloads_query = array(
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			'limit'  => -1,
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			'page'   => $page,
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			'return' => 'ids',
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		);
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		if ( $user instanceof WP_User ) {
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			$downloads_query['user_id'] = (int) $user->ID;
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		} else {
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			$downloads_query['user_email'] = $email_address;
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		}
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		$customer_download_data_store = WC_Data_Store::load( 'customer-download' );
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		// Revoke download permissions.
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		if ( apply_filters( 'woocommerce_privacy_erase_download_personal_data', $erasure_enabled, $email_address ) ) {
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			if ( $user instanceof WP_User ) {
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				$result = $customer_download_data_store->delete_by_user_id( (int) $user->ID );
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			} else {
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				$result = $customer_download_data_store->delete_by_user_email( $email_address );
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			}
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			if ( $result ) {
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				$response['messages'][]    = __( 'Removed access to downloadable files.', 'woocommerce' );
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				$response['items_removed'] = true;
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			}
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		} else {
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			$response['messages'][]     = __( 'Customer download permissions have been retained.', 'woocommerce' );
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			$response['items_retained'] = true;
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		}
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		return $response;
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	}
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	/**
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	 * Remove personal data specific to WooCommerce from an order object.
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	 *
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	 * Note; this will hinder order processing for obvious reasons!
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	 *
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	 * @param WC_Order $order Order object.
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	 */
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	public static function remove_order_personal_data( $order ) {
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		$anonymized_data = array();
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		/**
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		 * Allow extensions to remove their own personal data for this order first, so order data is still available.
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		 *
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		 * @since 3.4.0
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		 * @param WC_Order $order A customer object.
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		 */
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		do_action( 'woocommerce_privacy_before_remove_order_personal_data', $order );
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		/**
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		 * Expose props and data types we'll be anonymizing.
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		 *
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		 * @since 3.4.0
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		 * @param array    $props Keys are the prop names, values are the data type we'll be passing to wp_privacy_anonymize_data().
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		 * @param WC_Order $order A customer object.
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		 */
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		$props_to_remove = apply_filters(
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			'woocommerce_privacy_remove_order_personal_data_props',
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			array(
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				'customer_ip_address' => 'ip',
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				'customer_user_agent' => 'text',
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				'billing_first_name'  => 'text',
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				'billing_last_name'   => 'text',
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				'billing_company'     => 'text',
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				'billing_address_1'   => 'text',
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				'billing_address_2'   => 'text',
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				'billing_city'        => 'text',
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				'billing_postcode'    => 'text',
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				'billing_state'       => 'address_state',
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				'billing_country'     => 'address_country',
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				'billing_phone'       => 'phone',
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				'billing_email'       => 'email',
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				'shipping_first_name' => 'text',
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				'shipping_last_name'  => 'text',
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				'shipping_company'    => 'text',
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				'shipping_address_1'  => 'text',
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				'shipping_address_2'  => 'text',
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				'shipping_city'       => 'text',
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				'shipping_postcode'   => 'text',
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				'shipping_state'      => 'address_state',
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				'shipping_country'    => 'address_country',
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				'shipping_phone'      => 'phone',
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				'customer_id'         => 'numeric_id',
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				'transaction_id'      => 'numeric_id',
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			),
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			$order
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		);
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		if ( ! empty( $props_to_remove ) && is_array( $props_to_remove ) ) {
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			foreach ( $props_to_remove as $prop => $data_type ) {
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				// Get the current value in edit context.
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				$value = $order->{"get_$prop"}( 'edit' );
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				// If the value is empty, it does not need to be anonymized.
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				if ( empty( $value ) || empty( $data_type ) ) {
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					continue;
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				}
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				$anon_value = function_exists( 'wp_privacy_anonymize_data' ) ? wp_privacy_anonymize_data( $data_type, $value ) : '';
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				/**
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				 * Expose a way to control the anonymized value of a prop via 3rd party code.
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				 *
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				 * @since 3.4.0
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				 * @param string   $anon_value Value of this prop after anonymization.
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				 * @param string   $prop Name of the prop being removed.
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				 * @param string   $value Current value of the data.
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				 * @param string   $data_type Type of data.
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				 * @param WC_Order $order An order object.
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				 */
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				$anonymized_data[ $prop ] = apply_filters( 'woocommerce_privacy_remove_order_personal_data_prop_value', $anon_value, $prop, $value, $data_type, $order );
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			}
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		}
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		// Set all new props and persist the new data to the database.
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		$order->set_props( $anonymized_data );
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		// Remove meta data.
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		$meta_to_remove = apply_filters(
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			'woocommerce_privacy_remove_order_personal_data_meta',
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			array(
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				'Payer first name'     => 'text',
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				'Payer last name'      => 'text',
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				'Payer PayPal address' => 'email',
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				'Transaction ID'       => 'numeric_id',
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			)
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		);
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		if ( ! empty( $meta_to_remove ) && is_array( $meta_to_remove ) ) {
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			foreach ( $meta_to_remove as $meta_key => $data_type ) {
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				$value = $order->get_meta( $meta_key );
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				// If the value is empty, it does not need to be anonymized.
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				if ( empty( $value ) || empty( $data_type ) ) {
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					continue;
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				}
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				$anon_value = function_exists( 'wp_privacy_anonymize_data' ) ? wp_privacy_anonymize_data( $data_type, $value ) : '';
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				/**
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				 * Expose a way to control the anonymized value of a value via 3rd party code.
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				 *
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				 * @since 3.4.0
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				 * @param string   $anon_value Value of this data after anonymization.
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				 * @param string   $prop meta_key key being removed.
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				 * @param string   $value Current value of the data.
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				 * @param string   $data_type Type of data.
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				 * @param WC_Order $order An order object.
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				 */
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				$anon_value = apply_filters( 'woocommerce_privacy_remove_order_personal_data_meta_value', $anon_value, $meta_key, $value, $data_type, $order );
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				if ( $anon_value ) {
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					$order->update_meta_data( $meta_key, $anon_value );
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				} else {
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					$order->delete_meta_data( $meta_key );
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				}
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			}
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		}
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		$order->update_meta_data( '_anonymized', 'yes' );
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		$order->save();
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		// Delete order notes which can contain PII.
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		$notes = wc_get_order_notes(
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			array(
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				'order_id' => $order->get_id(),
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			)
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		);
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		foreach ( $notes as $note ) {
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			wc_delete_order_note( $note->id );
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		}
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		// Add note that this event occured.
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		$order->add_order_note( __( 'Personal data removed.', 'woocommerce' ) );
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		/**
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		 * Allow extensions to remove their own personal data for this order.
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		 *
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		 * @since 3.4.0
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		 * @param WC_Order $order A customer object.
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		 */
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		do_action( 'woocommerce_privacy_remove_order_personal_data', $order );
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	}
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	/**
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	 * Finds and erases customer tokens by email address.
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	 *
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	 * @since 3.4.0
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	 * @param string $email_address The user email address.
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	 * @param int    $page  Page.
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	 * @return array An array of personal data in name value pairs
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	 */
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	public static function customer_tokens_eraser( $email_address, $page ) {
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		$response = array(
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			'items_removed'  => false,
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			'items_retained' => false,
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			'messages'       => array(),
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			'done'           => true,
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		);
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		$user = get_user_by( 'email', $email_address ); // Check if user has an ID in the DB to load stored personal data.
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		if ( ! $user instanceof WP_User ) {
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			return $response;
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		}
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		$tokens = WC_Payment_Tokens::get_tokens(
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			array(
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				'user_id' => $user->ID,
 | 
						|
			)
 | 
						|
		);
 | 
						|
 | 
						|
		if ( empty( $tokens ) ) {
 | 
						|
			return $response;
 | 
						|
		}
 | 
						|
 | 
						|
		foreach ( $tokens as $token ) {
 | 
						|
			WC_Payment_Tokens::delete( $token->get_id() );
 | 
						|
 | 
						|
			/* Translators: %s Prop name. */
 | 
						|
			$response['messages'][]    = sprintf( __( 'Removed payment token "%d"', 'woocommerce' ), $token->get_id() );
 | 
						|
			$response['items_removed'] = true;
 | 
						|
		}
 | 
						|
 | 
						|
		/**
 | 
						|
		 * Allow extensions to remove data for tokens and adjust the response.
 | 
						|
		 *
 | 
						|
		 * @since 3.4.0
 | 
						|
		 * @param array $response Array resonse data. Must include messages, num_items_removed, num_items_retained, done.
 | 
						|
		 * @param array $tokens   Array of tokens.
 | 
						|
		 */
 | 
						|
		return apply_filters( 'woocommerce_privacy_erase_personal_data_tokens', $response, $tokens );
 | 
						|
	}
 | 
						|
}
 |