1237 lines
44 KiB
PHP
1237 lines
44 KiB
PHP
<?php
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/**
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* Upgrade API: WP_Upgrader class
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*
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* Requires skin classes and WP_Upgrader subclasses for backward compatibility.
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*
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* @package WordPress
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* @subpackage Upgrader
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* @since 2.8.0
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*/
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/** WP_Upgrader_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader-skin.php';
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/** Plugin_Upgrader_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-plugin-upgrader-skin.php';
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/** Theme_Upgrader_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-theme-upgrader-skin.php';
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/** Bulk_Upgrader_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-bulk-upgrader-skin.php';
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/** Bulk_Plugin_Upgrader_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-bulk-plugin-upgrader-skin.php';
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/** Bulk_Theme_Upgrader_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-bulk-theme-upgrader-skin.php';
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/** Plugin_Installer_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-plugin-installer-skin.php';
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/** Theme_Installer_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-theme-installer-skin.php';
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/** Language_Pack_Upgrader_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-language-pack-upgrader-skin.php';
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/** Automatic_Upgrader_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-automatic-upgrader-skin.php';
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/** WP_Ajax_Upgrader_Skin class */
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require_once ABSPATH . 'wp-admin/includes/class-wp-ajax-upgrader-skin.php';
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/**
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* Core class used for upgrading/installing a local set of files via
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* the Filesystem Abstraction classes from a Zip file.
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*
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* @since 2.8.0
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*/
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#[AllowDynamicProperties]
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class WP_Upgrader {
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/**
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* The error/notification strings used to update the user on the progress.
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*
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* @since 2.8.0
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* @var array $strings
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*/
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public $strings = array();
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/**
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* The upgrader skin being used.
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*
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* @since 2.8.0
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* @var Automatic_Upgrader_Skin|WP_Upgrader_Skin $skin
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*/
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public $skin = null;
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/**
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* The result of the installation.
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*
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* This is set by WP_Upgrader::install_package(), only when the package is installed
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* successfully. It will then be an array, unless a WP_Error is returned by the
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* {@see 'upgrader_post_install'} filter. In that case, the WP_Error will be assigned to
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* it.
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*
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* @since 2.8.0
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*
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* @var array|WP_Error $result {
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* @type string $source The full path to the source the files were installed from.
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* @type string $source_files List of all the files in the source directory.
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* @type string $destination The full path to the installation destination folder.
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* @type string $destination_name The name of the destination folder, or empty if `$destination`
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* and `$local_destination` are the same.
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* @type string $local_destination The full local path to the destination folder. This is usually
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* the same as `$destination`.
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* @type string $remote_destination The full remote path to the destination folder
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* (i.e., from `$wp_filesystem`).
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* @type bool $clear_destination Whether the destination folder was cleared.
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* }
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*/
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public $result = array();
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/**
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* The total number of updates being performed.
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*
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* Set by the bulk update methods.
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*
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* @since 3.0.0
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* @var int $update_count
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*/
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public $update_count = 0;
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/**
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* The current update if multiple updates are being performed.
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*
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* Used by the bulk update methods, and incremented for each update.
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*
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* @since 3.0.0
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* @var int
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*/
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public $update_current = 0;
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/**
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* Stores the list of plugins or themes added to temporary backup directory.
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*
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* Used by the rollback functions.
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*
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* @since 6.3.0
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* @var array
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*/
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private $temp_backups = array();
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/**
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* Stores the list of plugins or themes to be restored from temporary backup directory.
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*
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* Used by the rollback functions.
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*
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* @since 6.3.0
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* @var array
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*/
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private $temp_restores = array();
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/**
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* Construct the upgrader with a skin.
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*
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* @since 2.8.0
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*
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* @param WP_Upgrader_Skin $skin The upgrader skin to use. Default is a WP_Upgrader_Skin
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* instance.
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*/
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public function __construct( $skin = null ) {
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if ( null === $skin ) {
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$this->skin = new WP_Upgrader_Skin();
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} else {
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$this->skin = $skin;
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}
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}
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/**
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* Initializes the upgrader.
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*
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* This will set the relationship between the skin being used and this upgrader,
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* and also add the generic strings to `WP_Upgrader::$strings`.
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*
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* Additionally, it will schedule a weekly task to clean up the temporary backup directory.
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*
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* @since 2.8.0
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* @since 6.3.0 Added the `schedule_temp_backup_cleanup()` task.
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*/
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public function init() {
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$this->skin->set_upgrader( $this );
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$this->generic_strings();
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if ( ! wp_installing() ) {
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$this->schedule_temp_backup_cleanup();
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}
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}
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/**
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* Schedules the cleanup of the temporary backup directory.
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*
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* @since 6.3.0
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*/
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protected function schedule_temp_backup_cleanup() {
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if ( false === wp_next_scheduled( 'wp_delete_temp_updater_backups' ) ) {
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wp_schedule_event( time(), 'weekly', 'wp_delete_temp_updater_backups' );
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}
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}
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/**
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* Adds the generic strings to WP_Upgrader::$strings.
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*
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* @since 2.8.0
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*/
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public function generic_strings() {
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$this->strings['bad_request'] = __( 'Invalid data provided.' );
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$this->strings['fs_unavailable'] = __( 'Could not access filesystem.' );
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$this->strings['fs_error'] = __( 'Filesystem error.' );
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$this->strings['fs_no_root_dir'] = __( 'Unable to locate WordPress root directory.' );
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/* translators: %s: Directory name. */
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$this->strings['fs_no_content_dir'] = sprintf( __( 'Unable to locate WordPress content directory (%s).' ), 'wp-content' );
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$this->strings['fs_no_plugins_dir'] = __( 'Unable to locate WordPress plugin directory.' );
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$this->strings['fs_no_themes_dir'] = __( 'Unable to locate WordPress theme directory.' );
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/* translators: %s: Directory name. */
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$this->strings['fs_no_folder'] = __( 'Unable to locate needed folder (%s).' );
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$this->strings['download_failed'] = __( 'Download failed.' );
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$this->strings['installing_package'] = __( 'Installing the latest version…' );
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$this->strings['no_files'] = __( 'The package contains no files.' );
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$this->strings['folder_exists'] = __( 'Destination folder already exists.' );
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$this->strings['mkdir_failed'] = __( 'Could not create directory.' );
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$this->strings['incompatible_archive'] = __( 'The package could not be installed.' );
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$this->strings['files_not_writable'] = __( 'The update cannot be installed because some files could not be copied. This is usually due to inconsistent file permissions.' );
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$this->strings['maintenance_start'] = __( 'Enabling Maintenance mode…' );
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$this->strings['maintenance_end'] = __( 'Disabling Maintenance mode…' );
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/* translators: %s: upgrade-temp-backup */
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$this->strings['temp_backup_mkdir_failed'] = sprintf( __( 'Could not create the %s directory.' ), 'upgrade-temp-backup' );
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/* translators: %s: upgrade-temp-backup */
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$this->strings['temp_backup_move_failed'] = sprintf( __( 'Could not move the old version to the %s directory.' ), 'upgrade-temp-backup' );
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/* translators: %s: The plugin or theme slug. */
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$this->strings['temp_backup_restore_failed'] = __( 'Could not restore the original version of %s.' );
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/* translators: %s: The plugin or theme slug. */
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$this->strings['temp_backup_delete_failed'] = __( 'Could not delete the temporary backup directory for %s.' );
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}
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/**
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* Connects to the filesystem.
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*
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* @since 2.8.0
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*
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* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
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*
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* @param string[] $directories Optional. Array of directories. If any of these do
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* not exist, a WP_Error object will be returned.
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* Default empty array.
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* @param bool $allow_relaxed_file_ownership Whether to allow relaxed file ownership.
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* Default false.
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* @return bool|WP_Error True if able to connect, false or a WP_Error otherwise.
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*/
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public function fs_connect( $directories = array(), $allow_relaxed_file_ownership = false ) {
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global $wp_filesystem;
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$credentials = $this->skin->request_filesystem_credentials( false, $directories[0], $allow_relaxed_file_ownership );
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if ( false === $credentials ) {
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return false;
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}
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if ( ! WP_Filesystem( $credentials, $directories[0], $allow_relaxed_file_ownership ) ) {
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$error = true;
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if ( is_object( $wp_filesystem ) && $wp_filesystem->errors->has_errors() ) {
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$error = $wp_filesystem->errors;
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}
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// Failed to connect. Error and request again.
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$this->skin->request_filesystem_credentials( $error, $directories[0], $allow_relaxed_file_ownership );
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return false;
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}
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if ( ! is_object( $wp_filesystem ) ) {
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return new WP_Error( 'fs_unavailable', $this->strings['fs_unavailable'] );
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}
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if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
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return new WP_Error( 'fs_error', $this->strings['fs_error'], $wp_filesystem->errors );
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}
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foreach ( (array) $directories as $dir ) {
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switch ( $dir ) {
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case ABSPATH:
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if ( ! $wp_filesystem->abspath() ) {
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return new WP_Error( 'fs_no_root_dir', $this->strings['fs_no_root_dir'] );
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}
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break;
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case WP_CONTENT_DIR:
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if ( ! $wp_filesystem->wp_content_dir() ) {
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return new WP_Error( 'fs_no_content_dir', $this->strings['fs_no_content_dir'] );
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}
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break;
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case WP_PLUGIN_DIR:
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if ( ! $wp_filesystem->wp_plugins_dir() ) {
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return new WP_Error( 'fs_no_plugins_dir', $this->strings['fs_no_plugins_dir'] );
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}
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break;
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case get_theme_root():
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if ( ! $wp_filesystem->wp_themes_dir() ) {
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return new WP_Error( 'fs_no_themes_dir', $this->strings['fs_no_themes_dir'] );
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}
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break;
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default:
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if ( ! $wp_filesystem->find_folder( $dir ) ) {
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return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) );
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}
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break;
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}
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}
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return true;
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}
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/**
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* Downloads a package.
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*
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* @since 2.8.0
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* @since 5.2.0 Added the `$check_signatures` parameter.
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* @since 5.5.0 Added the `$hook_extra` parameter.
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*
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* @param string $package The URI of the package. If this is the full path to an
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* existing local file, it will be returned untouched.
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* @param bool $check_signatures Whether to validate file signatures. Default false.
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* @param array $hook_extra Extra arguments to pass to the filter hooks. Default empty array.
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* @return string|WP_Error The full path to the downloaded package file, or a WP_Error object.
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*/
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public function download_package( $package, $check_signatures = false, $hook_extra = array() ) {
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/**
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* Filters whether to return the package.
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*
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* @since 3.7.0
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* @since 5.5.0 Added the `$hook_extra` parameter.
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*
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* @param bool $reply Whether to bail without returning the package.
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* Default false.
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* @param string $package The package file name.
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* @param WP_Upgrader $upgrader The WP_Upgrader instance.
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* @param array $hook_extra Extra arguments passed to hooked filters.
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*/
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$reply = apply_filters( 'upgrader_pre_download', false, $package, $this, $hook_extra );
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if ( false !== $reply ) {
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return $reply;
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}
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if ( ! preg_match( '!^(http|https|ftp)://!i', $package ) && file_exists( $package ) ) { // Local file or remote?
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return $package; // Must be a local file.
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}
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if ( empty( $package ) ) {
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return new WP_Error( 'no_package', $this->strings['no_package'] );
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}
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$this->skin->feedback( 'downloading_package', $package );
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$download_file = download_url( $package, 300, $check_signatures );
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if ( is_wp_error( $download_file ) && ! $download_file->get_error_data( 'softfail-filename' ) ) {
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return new WP_Error( 'download_failed', $this->strings['download_failed'], $download_file->get_error_message() );
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}
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return $download_file;
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}
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/**
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* Unpacks a compressed package file.
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*
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* @since 2.8.0
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*
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* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
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*
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* @param string $package Full path to the package file.
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* @param bool $delete_package Optional. Whether to delete the package file after attempting
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* to unpack it. Default true.
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* @return string|WP_Error The path to the unpacked contents, or a WP_Error on failure.
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*/
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public function unpack_package( $package, $delete_package = true ) {
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global $wp_filesystem;
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$this->skin->feedback( 'unpack_package' );
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if ( ! $wp_filesystem->wp_content_dir() ) {
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return new WP_Error( 'fs_no_content_dir', $this->strings['fs_no_content_dir'] );
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}
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$upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/';
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// Clean up contents of upgrade directory beforehand.
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$upgrade_files = $wp_filesystem->dirlist( $upgrade_folder );
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if ( ! empty( $upgrade_files ) ) {
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foreach ( $upgrade_files as $file ) {
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$wp_filesystem->delete( $upgrade_folder . $file['name'], true );
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}
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}
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// We need a working directory - strip off any .tmp or .zip suffixes.
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$working_dir = $upgrade_folder . basename( basename( $package, '.tmp' ), '.zip' );
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// Clean up working directory.
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if ( $wp_filesystem->is_dir( $working_dir ) ) {
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$wp_filesystem->delete( $working_dir, true );
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}
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// Unzip package to working directory.
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$result = unzip_file( $package, $working_dir );
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// Once extracted, delete the package if required.
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if ( $delete_package ) {
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unlink( $package );
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}
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if ( is_wp_error( $result ) ) {
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$wp_filesystem->delete( $working_dir, true );
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if ( 'incompatible_archive' === $result->get_error_code() ) {
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return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() );
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}
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return $result;
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}
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return $working_dir;
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}
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/**
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* Flattens the results of WP_Filesystem_Base::dirlist() for iterating over.
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*
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* @since 4.9.0
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* @access protected
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*
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* @param array $nested_files Array of files as returned by WP_Filesystem_Base::dirlist().
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* @param string $path Relative path to prepend to child nodes. Optional.
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* @return array A flattened array of the $nested_files specified.
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*/
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protected function flatten_dirlist( $nested_files, $path = '' ) {
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$files = array();
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foreach ( $nested_files as $name => $details ) {
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$files[ $path . $name ] = $details;
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// Append children recursively.
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if ( ! empty( $details['files'] ) ) {
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$children = $this->flatten_dirlist( $details['files'], $path . $name . '/' );
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// Merge keeping possible numeric keys, which array_merge() will reindex from 0..n.
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$files = $files + $children;
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}
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}
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return $files;
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}
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/**
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* Clears the directory where this item is going to be installed into.
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*
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* @since 4.3.0
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*
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* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
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*
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* @param string $remote_destination The location on the remote filesystem to be cleared.
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* @return true|WP_Error True upon success, WP_Error on failure.
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*/
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public function clear_destination( $remote_destination ) {
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global $wp_filesystem;
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$files = $wp_filesystem->dirlist( $remote_destination, true, true );
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// False indicates that the $remote_destination doesn't exist.
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if ( false === $files ) {
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return true;
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}
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// Flatten the file list to iterate over.
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$files = $this->flatten_dirlist( $files );
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// Check all files are writable before attempting to clear the destination.
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$unwritable_files = array();
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// Check writability.
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foreach ( $files as $filename => $file_details ) {
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if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
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// Attempt to alter permissions to allow writes and try again.
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$wp_filesystem->chmod( $remote_destination . $filename, ( 'd' === $file_details['type'] ? FS_CHMOD_DIR : FS_CHMOD_FILE ) );
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if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
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$unwritable_files[] = $filename;
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}
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}
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}
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if ( ! empty( $unwritable_files ) ) {
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return new WP_Error( 'files_not_writable', $this->strings['files_not_writable'], implode( ', ', $unwritable_files ) );
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}
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if ( ! $wp_filesystem->delete( $remote_destination, true ) ) {
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return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] );
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}
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return true;
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}
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|
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/**
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|
* Install a package.
|
|
*
|
|
* Copies the contents of a package from a source directory, and installs them in
|
|
* a destination directory. Optionally removes the source. It can also optionally
|
|
* clear out the destination folder if it already exists.
|
|
*
|
|
* @since 2.8.0
|
|
* @since 6.2.0 Use move_dir() instead of copy_dir() when possible.
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
|
|
* @global array $wp_theme_directories
|
|
*
|
|
* @param array|string $args {
|
|
* Optional. Array or string of arguments for installing a package. Default empty array.
|
|
*
|
|
* @type string $source Required path to the package source. Default empty.
|
|
* @type string $destination Required path to a folder to install the package in.
|
|
* Default empty.
|
|
* @type bool $clear_destination Whether to delete any files already in the destination
|
|
* folder. Default false.
|
|
* @type bool $clear_working Whether to delete the files from the working directory
|
|
* after copying them to the destination. Default false.
|
|
* @type bool $abort_if_destination_exists Whether to abort the installation if
|
|
* the destination folder already exists. Default true.
|
|
* @type array $hook_extra Extra arguments to pass to the filter hooks called by
|
|
* WP_Upgrader::install_package(). Default empty array.
|
|
* }
|
|
*
|
|
* @return array|WP_Error The result (also stored in `WP_Upgrader::$result`), or a WP_Error on failure.
|
|
*/
|
|
public function install_package( $args = array() ) {
|
|
global $wp_filesystem, $wp_theme_directories;
|
|
|
|
$defaults = array(
|
|
'source' => '', // Please always pass this.
|
|
'destination' => '', // ...and this.
|
|
'clear_destination' => false,
|
|
'clear_working' => false,
|
|
'abort_if_destination_exists' => true,
|
|
'hook_extra' => array(),
|
|
);
|
|
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
// These were previously extract()'d.
|
|
$source = $args['source'];
|
|
$destination = $args['destination'];
|
|
$clear_destination = $args['clear_destination'];
|
|
|
|
if ( function_exists( 'set_time_limit' ) ) {
|
|
set_time_limit( 300 );
|
|
}
|
|
|
|
if ( empty( $source ) || empty( $destination ) ) {
|
|
return new WP_Error( 'bad_request', $this->strings['bad_request'] );
|
|
}
|
|
$this->skin->feedback( 'installing_package' );
|
|
|
|
/**
|
|
* Filters the installation response before the installation has started.
|
|
*
|
|
* Returning a value that could be evaluated as a `WP_Error` will effectively
|
|
* short-circuit the installation, returning that value instead.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param bool|WP_Error $response Installation response.
|
|
* @param array $hook_extra Extra arguments passed to hooked filters.
|
|
*/
|
|
$res = apply_filters( 'upgrader_pre_install', true, $args['hook_extra'] );
|
|
|
|
if ( is_wp_error( $res ) ) {
|
|
return $res;
|
|
}
|
|
|
|
// Retain the original source and destinations.
|
|
$remote_source = $args['source'];
|
|
$local_destination = $destination;
|
|
|
|
$source_files = array_keys( $wp_filesystem->dirlist( $remote_source ) );
|
|
$remote_destination = $wp_filesystem->find_folder( $local_destination );
|
|
|
|
// Locate which directory to copy to the new folder. This is based on the actual folder holding the files.
|
|
if ( 1 === count( $source_files ) && $wp_filesystem->is_dir( trailingslashit( $args['source'] ) . $source_files[0] . '/' ) ) {
|
|
// Only one folder? Then we want its contents.
|
|
$source = trailingslashit( $args['source'] ) . trailingslashit( $source_files[0] );
|
|
} elseif ( 0 === count( $source_files ) ) {
|
|
// There are no files?
|
|
return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] );
|
|
} else {
|
|
/*
|
|
* It's only a single file, the upgrader will use the folder name of this file as the destination folder.
|
|
* Folder name is based on zip filename.
|
|
*/
|
|
$source = trailingslashit( $args['source'] );
|
|
}
|
|
|
|
/**
|
|
* Filters the source file location for the upgrade package.
|
|
*
|
|
* @since 2.8.0
|
|
* @since 4.4.0 The $hook_extra parameter became available.
|
|
*
|
|
* @param string $source File source location.
|
|
* @param string $remote_source Remote file source location.
|
|
* @param WP_Upgrader $upgrader WP_Upgrader instance.
|
|
* @param array $hook_extra Extra arguments passed to hooked filters.
|
|
*/
|
|
$source = apply_filters( 'upgrader_source_selection', $source, $remote_source, $this, $args['hook_extra'] );
|
|
|
|
if ( is_wp_error( $source ) ) {
|
|
return $source;
|
|
}
|
|
|
|
if ( ! empty( $args['hook_extra']['temp_backup'] ) ) {
|
|
$temp_backup = $this->move_to_temp_backup_dir( $args['hook_extra']['temp_backup'] );
|
|
|
|
if ( is_wp_error( $temp_backup ) ) {
|
|
return $temp_backup;
|
|
}
|
|
|
|
$this->temp_backups[] = $args['hook_extra']['temp_backup'];
|
|
}
|
|
|
|
// Has the source location changed? If so, we need a new source_files list.
|
|
if ( $source !== $remote_source ) {
|
|
$source_files = array_keys( $wp_filesystem->dirlist( $source ) );
|
|
}
|
|
|
|
/*
|
|
* Protection against deleting files in any important base directories.
|
|
* Theme_Upgrader & Plugin_Upgrader also trigger this, as they pass the
|
|
* destination directory (WP_PLUGIN_DIR / wp-content/themes) intending
|
|
* to copy the directory into the directory, whilst they pass the source
|
|
* as the actual files to copy.
|
|
*/
|
|
$protected_directories = array( ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes' );
|
|
|
|
if ( is_array( $wp_theme_directories ) ) {
|
|
$protected_directories = array_merge( $protected_directories, $wp_theme_directories );
|
|
}
|
|
|
|
if ( in_array( $destination, $protected_directories, true ) ) {
|
|
$remote_destination = trailingslashit( $remote_destination ) . trailingslashit( basename( $source ) );
|
|
$destination = trailingslashit( $destination ) . trailingslashit( basename( $source ) );
|
|
}
|
|
|
|
if ( $clear_destination ) {
|
|
// We're going to clear the destination if there's something there.
|
|
$this->skin->feedback( 'remove_old' );
|
|
|
|
$removed = $this->clear_destination( $remote_destination );
|
|
|
|
/**
|
|
* Filters whether the upgrader cleared the destination.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param true|WP_Error $removed Whether the destination was cleared.
|
|
* True upon success, WP_Error on failure.
|
|
* @param string $local_destination The local package destination.
|
|
* @param string $remote_destination The remote package destination.
|
|
* @param array $hook_extra Extra arguments passed to hooked filters.
|
|
*/
|
|
$removed = apply_filters( 'upgrader_clear_destination', $removed, $local_destination, $remote_destination, $args['hook_extra'] );
|
|
|
|
if ( is_wp_error( $removed ) ) {
|
|
return $removed;
|
|
}
|
|
} elseif ( $args['abort_if_destination_exists'] && $wp_filesystem->exists( $remote_destination ) ) {
|
|
/*
|
|
* If we're not clearing the destination folder and something exists there already, bail.
|
|
* But first check to see if there are actually any files in the folder.
|
|
*/
|
|
$_files = $wp_filesystem->dirlist( $remote_destination );
|
|
if ( ! empty( $_files ) ) {
|
|
$wp_filesystem->delete( $remote_source, true ); // Clear out the source files.
|
|
return new WP_Error( 'folder_exists', $this->strings['folder_exists'], $remote_destination );
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If 'clear_working' is false, the source should not be removed, so use copy_dir() instead.
|
|
*
|
|
* Partial updates, like language packs, may want to retain the destination.
|
|
* If the destination exists or has contents, this may be a partial update,
|
|
* and the destination should not be removed, so use copy_dir() instead.
|
|
*/
|
|
if ( $args['clear_working']
|
|
&& (
|
|
// Destination does not exist or has no contents.
|
|
! $wp_filesystem->exists( $remote_destination )
|
|
|| empty( $wp_filesystem->dirlist( $remote_destination ) )
|
|
)
|
|
) {
|
|
$result = move_dir( $source, $remote_destination, true );
|
|
} else {
|
|
// Create destination if needed.
|
|
if ( ! $wp_filesystem->exists( $remote_destination ) ) {
|
|
if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) {
|
|
return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination );
|
|
}
|
|
}
|
|
$result = copy_dir( $source, $remote_destination );
|
|
}
|
|
|
|
// Clear the working directory?
|
|
if ( $args['clear_working'] ) {
|
|
$wp_filesystem->delete( $remote_source, true );
|
|
}
|
|
|
|
if ( is_wp_error( $result ) ) {
|
|
return $result;
|
|
}
|
|
|
|
$destination_name = basename( str_replace( $local_destination, '', $destination ) );
|
|
if ( '.' === $destination_name ) {
|
|
$destination_name = '';
|
|
}
|
|
|
|
$this->result = compact( 'source', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination' );
|
|
|
|
/**
|
|
* Filters the installation response after the installation has finished.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param bool $response Installation response.
|
|
* @param array $hook_extra Extra arguments passed to hooked filters.
|
|
* @param array $result Installation result data.
|
|
*/
|
|
$res = apply_filters( 'upgrader_post_install', true, $args['hook_extra'], $this->result );
|
|
|
|
if ( is_wp_error( $res ) ) {
|
|
$this->result = $res;
|
|
return $res;
|
|
}
|
|
|
|
// Bombard the calling function will all the info which we've just used.
|
|
return $this->result;
|
|
}
|
|
|
|
/**
|
|
* Runs an upgrade/installation.
|
|
*
|
|
* Attempts to download the package (if it is not a local file), unpack it, and
|
|
* install it in the destination folder.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param array $options {
|
|
* Array or string of arguments for upgrading/installing a package.
|
|
*
|
|
* @type string $package The full path or URI of the package to install.
|
|
* Default empty.
|
|
* @type string $destination The full path to the destination folder.
|
|
* Default empty.
|
|
* @type bool $clear_destination Whether to delete any files already in the
|
|
* destination folder. Default false.
|
|
* @type bool $clear_working Whether to delete the files from the working
|
|
* directory after copying them to the destination.
|
|
* Default true.
|
|
* @type bool $abort_if_destination_exists Whether to abort the installation if the destination
|
|
* folder already exists. When true, `$clear_destination`
|
|
* should be false. Default true.
|
|
* @type bool $is_multi Whether this run is one of multiple upgrade/installation
|
|
* actions being performed in bulk. When true, the skin
|
|
* WP_Upgrader::header() and WP_Upgrader::footer()
|
|
* aren't called. Default false.
|
|
* @type array $hook_extra Extra arguments to pass to the filter hooks called by
|
|
* WP_Upgrader::run().
|
|
* }
|
|
* @return array|false|WP_Error The result from self::install_package() on success, otherwise a WP_Error,
|
|
* or false if unable to connect to the filesystem.
|
|
*/
|
|
public function run( $options ) {
|
|
|
|
$defaults = array(
|
|
'package' => '', // Please always pass this.
|
|
'destination' => '', // ...and this.
|
|
'clear_destination' => false,
|
|
'clear_working' => true,
|
|
'abort_if_destination_exists' => true, // Abort if the destination directory exists. Pass clear_destination as false please.
|
|
'is_multi' => false,
|
|
'hook_extra' => array(), // Pass any extra $hook_extra args here, this will be passed to any hooked filters.
|
|
);
|
|
|
|
$options = wp_parse_args( $options, $defaults );
|
|
|
|
/**
|
|
* Filters the package options before running an update.
|
|
*
|
|
* See also {@see 'upgrader_process_complete'}.
|
|
*
|
|
* @since 4.3.0
|
|
*
|
|
* @param array $options {
|
|
* Options used by the upgrader.
|
|
*
|
|
* @type string $package Package for update.
|
|
* @type string $destination Update location.
|
|
* @type bool $clear_destination Clear the destination resource.
|
|
* @type bool $clear_working Clear the working resource.
|
|
* @type bool $abort_if_destination_exists Abort if the Destination directory exists.
|
|
* @type bool $is_multi Whether the upgrader is running multiple times.
|
|
* @type array $hook_extra {
|
|
* Extra hook arguments.
|
|
*
|
|
* @type string $action Type of action. Default 'update'.
|
|
* @type string $type Type of update process. Accepts 'plugin', 'theme', or 'core'.
|
|
* @type bool $bulk Whether the update process is a bulk update. Default true.
|
|
* @type string $plugin Path to the plugin file relative to the plugins directory.
|
|
* @type string $theme The stylesheet or template name of the theme.
|
|
* @type string $language_update_type The language pack update type. Accepts 'plugin', 'theme',
|
|
* or 'core'.
|
|
* @type object $language_update The language pack update offer.
|
|
* }
|
|
* }
|
|
*/
|
|
$options = apply_filters( 'upgrader_package_options', $options );
|
|
|
|
if ( ! $options['is_multi'] ) { // Call $this->header separately if running multiple times.
|
|
$this->skin->header();
|
|
}
|
|
|
|
// Connect to the filesystem first.
|
|
$res = $this->fs_connect( array( WP_CONTENT_DIR, $options['destination'] ) );
|
|
// Mainly for non-connected filesystem.
|
|
if ( ! $res ) {
|
|
if ( ! $options['is_multi'] ) {
|
|
$this->skin->footer();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
$this->skin->before();
|
|
|
|
if ( is_wp_error( $res ) ) {
|
|
$this->skin->error( $res );
|
|
$this->skin->after();
|
|
if ( ! $options['is_multi'] ) {
|
|
$this->skin->footer();
|
|
}
|
|
return $res;
|
|
}
|
|
|
|
/*
|
|
* Download the package. Note: If the package is the full path
|
|
* to an existing local file, it will be returned untouched.
|
|
*/
|
|
$download = $this->download_package( $options['package'], true, $options['hook_extra'] );
|
|
|
|
/*
|
|
* Allow for signature soft-fail.
|
|
* WARNING: This may be removed in the future.
|
|
*/
|
|
if ( is_wp_error( $download ) && $download->get_error_data( 'softfail-filename' ) ) {
|
|
|
|
// Don't output the 'no signature could be found' failure message for now.
|
|
if ( 'signature_verification_no_signature' !== $download->get_error_code() || WP_DEBUG ) {
|
|
// Output the failure error as a normal feedback, and not as an error.
|
|
$this->skin->feedback( $download->get_error_message() );
|
|
|
|
// Report this failure back to WordPress.org for debugging purposes.
|
|
wp_version_check(
|
|
array(
|
|
'signature_failure_code' => $download->get_error_code(),
|
|
'signature_failure_data' => $download->get_error_data(),
|
|
)
|
|
);
|
|
}
|
|
|
|
// Pretend this error didn't happen.
|
|
$download = $download->get_error_data( 'softfail-filename' );
|
|
}
|
|
|
|
if ( is_wp_error( $download ) ) {
|
|
$this->skin->error( $download );
|
|
$this->skin->after();
|
|
if ( ! $options['is_multi'] ) {
|
|
$this->skin->footer();
|
|
}
|
|
return $download;
|
|
}
|
|
|
|
$delete_package = ( $download !== $options['package'] ); // Do not delete a "local" file.
|
|
|
|
// Unzips the file into a temporary directory.
|
|
$working_dir = $this->unpack_package( $download, $delete_package );
|
|
if ( is_wp_error( $working_dir ) ) {
|
|
$this->skin->error( $working_dir );
|
|
$this->skin->after();
|
|
if ( ! $options['is_multi'] ) {
|
|
$this->skin->footer();
|
|
}
|
|
return $working_dir;
|
|
}
|
|
|
|
// With the given options, this installs it to the destination directory.
|
|
$result = $this->install_package(
|
|
array(
|
|
'source' => $working_dir,
|
|
'destination' => $options['destination'],
|
|
'clear_destination' => $options['clear_destination'],
|
|
'abort_if_destination_exists' => $options['abort_if_destination_exists'],
|
|
'clear_working' => $options['clear_working'],
|
|
'hook_extra' => $options['hook_extra'],
|
|
)
|
|
);
|
|
|
|
/**
|
|
* Filters the result of WP_Upgrader::install_package().
|
|
*
|
|
* @since 5.7.0
|
|
*
|
|
* @param array|WP_Error $result Result from WP_Upgrader::install_package().
|
|
* @param array $hook_extra Extra arguments passed to hooked filters.
|
|
*/
|
|
$result = apply_filters( 'upgrader_install_package_result', $result, $options['hook_extra'] );
|
|
|
|
$this->skin->set_result( $result );
|
|
|
|
if ( is_wp_error( $result ) ) {
|
|
if ( ! empty( $options['hook_extra']['temp_backup'] ) ) {
|
|
$this->temp_restores[] = $options['hook_extra']['temp_backup'];
|
|
|
|
/*
|
|
* Restore the backup on shutdown.
|
|
* Actions running on `shutdown` are immune to PHP timeouts,
|
|
* so in case the failure was due to a PHP timeout,
|
|
* it will still be able to properly restore the previous version.
|
|
*/
|
|
add_action( 'shutdown', array( $this, 'restore_temp_backup' ) );
|
|
}
|
|
$this->skin->error( $result );
|
|
|
|
if ( ! method_exists( $this->skin, 'hide_process_failed' ) || ! $this->skin->hide_process_failed( $result ) ) {
|
|
$this->skin->feedback( 'process_failed' );
|
|
}
|
|
} else {
|
|
// Installation succeeded.
|
|
$this->skin->feedback( 'process_success' );
|
|
}
|
|
|
|
$this->skin->after();
|
|
|
|
// Clean up the backup kept in the temporary backup directory.
|
|
if ( ! empty( $options['hook_extra']['temp_backup'] ) ) {
|
|
// Delete the backup on `shutdown` to avoid a PHP timeout.
|
|
add_action( 'shutdown', array( $this, 'delete_temp_backup' ), 100, 0 );
|
|
}
|
|
|
|
if ( ! $options['is_multi'] ) {
|
|
|
|
/**
|
|
* Fires when the upgrader process is complete.
|
|
*
|
|
* See also {@see 'upgrader_package_options'}.
|
|
*
|
|
* @since 3.6.0
|
|
* @since 3.7.0 Added to WP_Upgrader::run().
|
|
* @since 4.6.0 `$translations` was added as a possible argument to `$hook_extra`.
|
|
*
|
|
* @param WP_Upgrader $upgrader WP_Upgrader instance. In other contexts this might be a
|
|
* Theme_Upgrader, Plugin_Upgrader, Core_Upgrade, or Language_Pack_Upgrader instance.
|
|
* @param array $hook_extra {
|
|
* Array of bulk item update data.
|
|
*
|
|
* @type string $action Type of action. Default 'update'.
|
|
* @type string $type Type of update process. Accepts 'plugin', 'theme', 'translation', or 'core'.
|
|
* @type bool $bulk Whether the update process is a bulk update. Default true.
|
|
* @type array $plugins Array of the basename paths of the plugins' main files.
|
|
* @type array $themes The theme slugs.
|
|
* @type array $translations {
|
|
* Array of translations update data.
|
|
*
|
|
* @type string $language The locale the translation is for.
|
|
* @type string $type Type of translation. Accepts 'plugin', 'theme', or 'core'.
|
|
* @type string $slug Text domain the translation is for. The slug of a theme/plugin or
|
|
* 'default' for core translations.
|
|
* @type string $version The version of a theme, plugin, or core.
|
|
* }
|
|
* }
|
|
*/
|
|
do_action( 'upgrader_process_complete', $this, $options['hook_extra'] );
|
|
|
|
$this->skin->footer();
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Toggles maintenance mode for the site.
|
|
*
|
|
* Creates/deletes the maintenance file to enable/disable maintenance mode.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
|
|
*
|
|
* @param bool $enable True to enable maintenance mode, false to disable.
|
|
*/
|
|
public function maintenance_mode( $enable = false ) {
|
|
global $wp_filesystem;
|
|
$file = $wp_filesystem->abspath() . '.maintenance';
|
|
if ( $enable ) {
|
|
$this->skin->feedback( 'maintenance_start' );
|
|
// Create maintenance file to signal that we are upgrading.
|
|
$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
|
|
$wp_filesystem->delete( $file );
|
|
$wp_filesystem->put_contents( $file, $maintenance_string, FS_CHMOD_FILE );
|
|
} elseif ( ! $enable && $wp_filesystem->exists( $file ) ) {
|
|
$this->skin->feedback( 'maintenance_end' );
|
|
$wp_filesystem->delete( $file );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a lock using WordPress options.
|
|
*
|
|
* @since 4.5.0
|
|
*
|
|
* @global wpdb $wpdb The WordPress database abstraction object.
|
|
*
|
|
* @param string $lock_name The name of this unique lock.
|
|
* @param int $release_timeout Optional. The duration in seconds to respect an existing lock.
|
|
* Default: 1 hour.
|
|
* @return bool False if a lock couldn't be created or if the lock is still valid. True otherwise.
|
|
*/
|
|
public static function create_lock( $lock_name, $release_timeout = null ) {
|
|
global $wpdb;
|
|
if ( ! $release_timeout ) {
|
|
$release_timeout = HOUR_IN_SECONDS;
|
|
}
|
|
$lock_option = $lock_name . '.lock';
|
|
|
|
// Try to lock.
|
|
$lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_option, time() ) );
|
|
|
|
if ( ! $lock_result ) {
|
|
$lock_result = get_option( $lock_option );
|
|
|
|
// If a lock couldn't be created, and there isn't a lock, bail.
|
|
if ( ! $lock_result ) {
|
|
return false;
|
|
}
|
|
|
|
// Check to see if the lock is still valid. If it is, bail.
|
|
if ( $lock_result > ( time() - $release_timeout ) ) {
|
|
return false;
|
|
}
|
|
|
|
// There must exist an expired lock, clear it and re-gain it.
|
|
WP_Upgrader::release_lock( $lock_name );
|
|
|
|
return WP_Upgrader::create_lock( $lock_name, $release_timeout );
|
|
}
|
|
|
|
// Update the lock, as by this point we've definitely got a lock, just need to fire the actions.
|
|
update_option( $lock_option, time() );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Releases an upgrader lock.
|
|
*
|
|
* @since 4.5.0
|
|
*
|
|
* @see WP_Upgrader::create_lock()
|
|
*
|
|
* @param string $lock_name The name of this unique lock.
|
|
* @return bool True if the lock was successfully released. False on failure.
|
|
*/
|
|
public static function release_lock( $lock_name ) {
|
|
return delete_option( $lock_name . '.lock' );
|
|
}
|
|
|
|
/**
|
|
* Moves the plugin or theme being updated into a temporary backup directory.
|
|
*
|
|
* @since 6.3.0
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
|
|
*
|
|
* @param string[] $args {
|
|
* Array of data for the temporary backup.
|
|
*
|
|
* @type string $slug Plugin or theme slug.
|
|
* @type string $src Path to the root directory for plugins or themes.
|
|
* @type string $dir Destination subdirectory name. Accepts 'plugins' or 'themes'.
|
|
* }
|
|
*
|
|
* @return bool|WP_Error True on success, false on early exit, otherwise WP_Error.
|
|
*/
|
|
public function move_to_temp_backup_dir( $args ) {
|
|
global $wp_filesystem;
|
|
|
|
if ( empty( $args['slug'] ) || empty( $args['src'] ) || empty( $args['dir'] ) ) {
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Skip any plugin that has "." as its slug.
|
|
* A slug of "." will result in a `$src` value ending in a period.
|
|
*
|
|
* On Windows, this will cause the 'plugins' folder to be moved,
|
|
* and will cause a failure when attempting to call `mkdir()`.
|
|
*/
|
|
if ( '.' === $args['slug'] ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! $wp_filesystem->wp_content_dir() ) {
|
|
return new WP_Error( 'fs_no_content_dir', $this->strings['fs_no_content_dir'] );
|
|
}
|
|
|
|
$dest_dir = $wp_filesystem->wp_content_dir() . 'upgrade-temp-backup/';
|
|
$sub_dir = $dest_dir . $args['dir'] . '/';
|
|
|
|
// Create the temporary backup directory if it does not exist.
|
|
if ( ! $wp_filesystem->is_dir( $sub_dir ) ) {
|
|
if ( ! $wp_filesystem->is_dir( $dest_dir ) ) {
|
|
$wp_filesystem->mkdir( $dest_dir, FS_CHMOD_DIR );
|
|
}
|
|
|
|
if ( ! $wp_filesystem->mkdir( $sub_dir, FS_CHMOD_DIR ) ) {
|
|
// Could not create the backup directory.
|
|
return new WP_Error( 'fs_temp_backup_mkdir', $this->strings['temp_backup_mkdir_failed'] );
|
|
}
|
|
}
|
|
|
|
$src_dir = $wp_filesystem->find_folder( $args['src'] );
|
|
$src = trailingslashit( $src_dir ) . $args['slug'];
|
|
$dest = $dest_dir . trailingslashit( $args['dir'] ) . $args['slug'];
|
|
|
|
// Delete the temporary backup directory if it already exists.
|
|
if ( $wp_filesystem->is_dir( $dest ) ) {
|
|
$wp_filesystem->delete( $dest, true );
|
|
}
|
|
|
|
// Move to the temporary backup directory.
|
|
$result = move_dir( $src, $dest, true );
|
|
if ( is_wp_error( $result ) ) {
|
|
return new WP_Error( 'fs_temp_backup_move', $this->strings['temp_backup_move_failed'] );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Restores the plugin or theme from temporary backup.
|
|
*
|
|
* @since 6.3.0
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
|
|
*
|
|
* @return bool|WP_Error True on success, false on early exit, otherwise WP_Error.
|
|
*/
|
|
public function restore_temp_backup() {
|
|
global $wp_filesystem;
|
|
|
|
$errors = new WP_Error();
|
|
|
|
foreach ( $this->temp_restores as $args ) {
|
|
if ( empty( $args['slug'] ) || empty( $args['src'] ) || empty( $args['dir'] ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! $wp_filesystem->wp_content_dir() ) {
|
|
$errors->add( 'fs_no_content_dir', $this->strings['fs_no_content_dir'] );
|
|
return $errors;
|
|
}
|
|
|
|
$src = $wp_filesystem->wp_content_dir() . 'upgrade-temp-backup/' . $args['dir'] . '/' . $args['slug'];
|
|
$dest_dir = $wp_filesystem->find_folder( $args['src'] );
|
|
$dest = trailingslashit( $dest_dir ) . $args['slug'];
|
|
|
|
if ( $wp_filesystem->is_dir( $src ) ) {
|
|
// Cleanup.
|
|
if ( $wp_filesystem->is_dir( $dest ) && ! $wp_filesystem->delete( $dest, true ) ) {
|
|
$errors->add(
|
|
'fs_temp_backup_delete',
|
|
sprintf( $this->strings['temp_backup_restore_failed'], $args['slug'] )
|
|
);
|
|
continue;
|
|
}
|
|
|
|
// Move it.
|
|
$result = move_dir( $src, $dest, true );
|
|
if ( is_wp_error( $result ) ) {
|
|
$errors->add(
|
|
'fs_temp_backup_delete',
|
|
sprintf( $this->strings['temp_backup_restore_failed'], $args['slug'] )
|
|
);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $errors->has_errors() ? $errors : true;
|
|
}
|
|
|
|
/**
|
|
* Deletes a temporary backup.
|
|
*
|
|
* @since 6.3.0
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
|
|
*
|
|
* @return bool|WP_Error True on success, false on early exit, otherwise WP_Error.
|
|
*/
|
|
public function delete_temp_backup() {
|
|
global $wp_filesystem;
|
|
|
|
$errors = new WP_Error();
|
|
|
|
foreach ( $this->temp_backups as $args ) {
|
|
if ( empty( $args['slug'] ) || empty( $args['dir'] ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! $wp_filesystem->wp_content_dir() ) {
|
|
$errors->add( 'fs_no_content_dir', $this->strings['fs_no_content_dir'] );
|
|
return $errors;
|
|
}
|
|
|
|
$temp_backup_dir = $wp_filesystem->wp_content_dir() . "upgrade-temp-backup/{$args['dir']}/{$args['slug']}";
|
|
|
|
if ( ! $wp_filesystem->delete( $temp_backup_dir, true ) ) {
|
|
$errors->add(
|
|
'temp_backup_delete_failed',
|
|
sprintf( $this->strings['temp_backup_delete_failed'], $args['slug'] )
|
|
);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
return $errors->has_errors() ? $errors : true;
|
|
}
|
|
}
|
|
|
|
/** Plugin_Upgrader class */
|
|
require_once ABSPATH . 'wp-admin/includes/class-plugin-upgrader.php';
|
|
|
|
/** Theme_Upgrader class */
|
|
require_once ABSPATH . 'wp-admin/includes/class-theme-upgrader.php';
|
|
|
|
/** Language_Pack_Upgrader class */
|
|
require_once ABSPATH . 'wp-admin/includes/class-language-pack-upgrader.php';
|
|
|
|
/** Core_Upgrader class */
|
|
require_once ABSPATH . 'wp-admin/includes/class-core-upgrader.php';
|
|
|
|
/** File_Upload_Upgrader class */
|
|
require_once ABSPATH . 'wp-admin/includes/class-file-upload-upgrader.php';
|
|
|
|
/** WP_Automatic_Updater class */
|
|
require_once ABSPATH . 'wp-admin/includes/class-wp-automatic-updater.php';
|