woocommerce/includes/admin/helper/class-wc-helper-updater.php

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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
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/**
* WC_Helper_Updater Class
*
* Contains the logic to fetch available updates and hook into Core's update
* routines to serve WooCommerce.com-provided packages.
*/
class WC_Helper_Updater {
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/**
* Loads the class, runs on init.
*/
public static function load() {
add_action( 'pre_set_site_transient_update_plugins', array( __CLASS__, 'transient_update_plugins' ), 21, 1 );
add_action( 'pre_set_site_transient_update_themes', array( __CLASS__, 'transient_update_themes' ), 21, 1 );
add_action( 'upgrader_process_complete', array( __CLASS__, 'upgrader_process_complete' ) );
}
/**
* Runs in a cron thread, or in a visitor thread if triggered
* by _maybe_update_plugins(), or in an auto-update thread.
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*
* @param object $transient The update_plugins transient object.
*
* @return object The same or a modified version of the transient.
*/
public static function transient_update_plugins( $transient ) {
$update_data = self::get_update_data();
foreach ( WC_Helper::get_local_woo_plugins() as $plugin ) {
if ( empty( $update_data[ $plugin['_product_id'] ] ) ) {
continue;
}
$data = $update_data[ $plugin['_product_id'] ];
$filename = $plugin['_filename'];
$item = array(
'id' => 'woocommerce-com-' . $plugin['_product_id'],
'slug' => 'woocommerce-com-' . $data['slug'],
'plugin' => $filename,
'new_version' => $data['version'],
'url' => $data['url'],
'package' => '',
'upgrade_notice' => $data['upgrade_notice'],
);
if ( self::_has_active_subscription( $plugin['_product_id'] ) ) {
$item['package'] = $data['package'];
}
if ( version_compare( $plugin['Version'], $data['version'], '<' ) ) {
$transient->response[ $filename ] = (object) $item;
unset( $transient->no_update[ $filename ] );
} else {
$transient->no_update[ $filename ] = (object) $item;
unset( $transient->response[ $filename ] );
}
}
return $transient;
}
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/**
* Runs on pre_set_site_transient_update_themes, provides custom
* packages for WooCommerce.com-hosted extensions.
*
* @param object $transient The update_themes transient object.
*
* @return object The same or a modified version of the transient.
*/
public static function transient_update_themes( $transient ) {
$update_data = self::get_update_data();
foreach ( WC_Helper::get_local_woo_themes() as $theme ) {
if ( empty( $update_data[ $theme['_product_id'] ] ) ) {
continue;
}
$data = $update_data[ $theme['_product_id'] ];
$slug = $theme['_stylesheet'];
$item = array(
'theme' => $slug,
'new_version' => $data['version'],
'url' => $data['url'],
'package' => '',
);
if ( self::_has_active_subscription( $theme['_product_id'] ) ) {
$item['package'] = $data['package'];
}
if ( version_compare( $theme['Version'], $data['version'], '<' ) ) {
$transient->response[ $slug ] = $item;
} else {
unset( $transient->response[ $slug ] );
$transient->checked[ $slug ] = $data['version'];
}
}
return $transient;
}
/**
* Get update data for all extensions.
*
* Scans through all subscriptions for the connected user, as well
* as all Woo extensions without a subscription, and obtains update
* data for each product.
*
* @return array Update data {product_id => data}
*/
public static function get_update_data() {
$payload = array();
// Scan subscriptions.
foreach ( WC_Helper::get_subscriptions() as $subscription ) {
$payload[ $subscription['product_id'] ] = array(
'product_id' => $subscription['product_id'],
'file_id' => '',
);
}
// Scan local plugins which may or may not have a subscription.
foreach ( WC_Helper::get_local_woo_plugins() as $data ) {
if ( ! isset( $payload[ $data['_product_id'] ] ) ) {
$payload[ $data['_product_id'] ] = array(
'product_id' => $data['_product_id'],
);
}
$payload[ $data['_product_id'] ]['file_id'] = $data['_file_id'];
}
// Scan local themes
foreach ( WC_Helper::get_local_woo_themes() as $data ) {
if ( ! isset( $payload[ $data['_product_id'] ] ) ) {
$payload[ $data['_product_id'] ] = array(
'product_id' => $data['_product_id'],
);
}
$payload[ $data['_product_id'] ]['file_id'] = $data['_file_id'];
}
return self::_update_check( $payload );
}
/**
* Run an update check API call.
*
* The call is cached based on the payload (product ids, file ids). If
* the payload changes, the cache is going to miss.
*
* @return array Update data for each requested product.
*/
private static function _update_check( $payload ) {
ksort( $payload );
$hash = md5( json_encode( $payload ) );
$cache_key = '_woocommerce_helper_updates';
if ( false !== ( $data = get_transient( $cache_key ) ) ) {
if ( hash_equals( $hash, $data['hash'] ) ) {
return $data['products'];
}
}
$data = array(
'hash' => $hash,
'updated' => time(),
'products' => array(),
'errors' => array(),
);
$request = WC_Helper_API::post( 'update-check', array(
'body' => json_encode( array( 'products' => $payload ) ),
'authenticated' => true,
) );
if ( wp_remote_retrieve_response_code( $request ) !== 200 ) {
$data['errors'][] = 'http-error';
} else {
$data['products'] = json_decode( wp_remote_retrieve_body( $request ), true );
}
set_transient( $cache_key, $data, 12 * HOUR_IN_SECONDS );
return $data['products'];
}
/**
* Check for an active subscription.
*
* Checks a given product id against all subscriptions on
* the current site. Returns true if at least one active
* subscription is found.
*
* @param int $product_id The product id to look for.
*
* @return bool True if active subscription found.
*/
private static function _has_active_subscription( $product_id ) {
if ( ! isset( $auth ) ) {
$auth = WC_Helper_Options::get( 'auth' );
}
if ( ! isset( $subscriptions ) ) {
$subscriptions = WC_Helper::get_subscriptions();
}
if ( empty( $auth['site_id'] ) || empty( $subscriptions ) ) {
return false;
}
// Check for an active subscription.
foreach ( $subscriptions as $subscription ) {
if ( $subscription['product_id'] != $product_id ) {
continue;
}
if ( in_array( absint( $auth['site_id'] ), $subscription['connections'] ) ) {
return true;
}
}
return false;
}
/**
* Get the number of products that have updates.
*
* @return int The number of products with updates.
*/
public static function get_updates_count() {
$cache_key = '_woocommerce_helper_updates_count';
if ( false !== ( $count = get_transient( $cache_key ) ) ) {
return $count;
}
// Don't fetch any new data since this function in high-frequency.
if ( ! get_transient( '_woocommerce_helper_subscriptions' ) ) {
return 0;
}
if ( ! get_transient( '_woocommerce_helper_updates' ) ) {
return 0;
}
$count = 0;
$update_data = self::get_update_data();
if ( empty( $update_data ) ) {
set_transient( $cache_key, $count, 12 * HOUR_IN_SECONDS );
return $count;
}
// Scan local plugins.
foreach ( WC_Helper::get_local_woo_plugins() as $plugin ) {
if ( empty( $update_data[ $plugin['_product_id'] ] ) ) {
continue;
}
if ( version_compare( $plugin['Version'], $update_data[ $plugin['_product_id'] ]['version'], '<' ) ) {
$count++;
}
}
// Scan local themes.
foreach ( WC_Helper::get_local_woo_themes() as $theme ) {
if ( empty( $update_data[ $theme['_product_id'] ] ) ) {
continue;
}
if ( version_compare( $theme['Version'], $update_data[ $theme['_product_id'] ]['version'], '<' ) ) {
$count++;
}
}
set_transient( $cache_key, $count, 12 * HOUR_IN_SECONDS );
return $count;
}
/**
* Return the updates count markup.
*
* @return string Updates count markup, empty string if no updates avairable.
*/
public static function get_updates_count_html() {
$count = self::get_updates_count();
if ( ! $count ) {
return '';
}
$count_html = sprintf( '<span class="update-plugins count-%d"><span class="update-count">%d</span></span>', $count, number_format_i18n( $count ) );
return $count_html;
}
/**
* Flushes cached update data.
*/
public static function flush_updates_cache() {
delete_transient( '_woocommerce_helper_updates' );
delete_transient( '_woocommerce_helper_updates_count' );
// Refresh update transients
$update_plugins = get_site_transient( 'update_plugins' );
if ( ! empty( $update_plugins ) ) {
set_site_transient( 'update_plugins', $update_plugins );
}
$update_themes = get_site_transient( 'update_themes' );
if ( ! empty( $update_themes ) ) {
set_site_transient( 'update_themes', $update_themes );
}
}
/**
* Fires when a user successfully updated a theme or a plugin.
*/
public static function upgrader_process_complete() {
delete_transient( '_woocommerce_helper_updates_count' );
}
}
WC_Helper_Updater::load();