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ada2858cd9
h/t Nextendweb. See #32246. Built from https://develop.svn.wordpress.org/trunk@37550 git-svn-id: http://core.svn.wordpress.org/trunk@37518 1a063a9b-81f0-0310-95a4-ce76da25c4cd
883 lines
32 KiB
PHP
883 lines
32 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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/**
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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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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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* @access public
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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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* @access public
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* @var 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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* @access public
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*
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* @var WP_Error|array $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 install 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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* @access public
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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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* @access public
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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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* Construct the upgrader with a skin.
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*
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* @since 2.8.0
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* @access public
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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 = $skin;
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}
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/**
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* Initialize the upgrader.
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*
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* This will set the relationship between the skin being used and this upgrader,
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* and also add the generic strings to `WP_Upgrader::$strings`.
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*
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* @since 2.8.0
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* @access public
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*/
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public function init() {
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$this->skin->set_upgrader($this);
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$this->generic_strings();
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}
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/**
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* Add the generic strings to WP_Upgrader::$strings.
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*
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* @since 2.8.0
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* @access public
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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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$this->strings['fs_no_content_dir'] = __('Unable to locate WordPress Content directory (wp-content).');
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$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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$this->strings['files_not_writable'] = __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' );
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$this->strings['maintenance_start'] = __('Enabling Maintenance mode…');
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$this->strings['maintenance_end'] = __('Disabling Maintenance mode…');
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}
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/**
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* Connect to the filesystem.
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*
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* @since 2.8.0
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* @access public
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*
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* @global WP_Filesystem_Base $wp_filesystem Subclass
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*
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* @param array $directories Optional. A list 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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if ( false === ( $credentials = $this->skin->request_filesystem_credentials( false, $directories[0], $allow_relaxed_file_ownership ) ) ) {
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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) && $wp_filesystem->errors->get_error_code() )
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$error = $wp_filesystem->errors;
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// Failed to connect, Error and request again
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$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', $this->strings['fs_unavailable'] );
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if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
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return new WP_Error('fs_error', $this->strings['fs_error'], $wp_filesystem->errors);
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foreach ( (array)$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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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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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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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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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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break;
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}
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}
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return true;
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} //end fs_connect();
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/**
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* Download a package.
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*
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* @since 2.8.0
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* @access public
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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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* @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 ) {
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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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* @access public
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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 $this The WP_Upgrader instance.
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*/
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$reply = apply_filters( 'upgrader_pre_download', false, $package, $this );
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if ( false !== $reply )
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return $reply;
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if ( ! preg_match('!^(http|https|ftp)://!i', $package) && file_exists($package) ) //Local file or remote?
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return $package; //must be a local file..
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if ( empty($package) )
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return new WP_Error('no_package', $this->strings['no_package']);
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$this->skin->feedback('downloading_package', $package);
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$download_file = download_url($package);
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if ( is_wp_error($download_file) )
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return new WP_Error('download_failed', $this->strings['download_failed'], $download_file->get_error_message());
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return $download_file;
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}
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/**
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* Unpack a compressed package file.
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*
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* @since 2.8.0
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* @access public
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*
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* @global WP_Filesystem_Base $wp_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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$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 . $file['name'], true);
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}
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// We need a working directory - Strip off any .tmp or .zip suffixes
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$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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// 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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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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* 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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* @access public
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*
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* @global WP_Filesystem_Base $wp_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 bool|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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if ( ! $wp_filesystem->exists( $remote_destination ) ) {
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return true;
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}
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// Check all files are writable before attempting to clear the destination.
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$unwritable_files = array();
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$_files = $wp_filesystem->dirlist( $remote_destination, true, true );
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// Flatten the resulting array, iterate using each as we append to the array during iteration.
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while ( $f = each( $_files ) ) {
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$file = $f['value'];
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$name = $f['key'];
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if ( ! isset( $file['files'] ) ) {
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continue;
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}
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foreach ( $file['files'] as $filename => $details ) {
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$_files[ $name . '/' . $filename ] = $details;
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}
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}
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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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* Install a package.
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*
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* Copies the contents of a package form a source directory, and installs them in
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* a destination directory. Optionally removes the source. It can also optionally
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* clear out the destination folder if it already exists.
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*
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* @since 2.8.0
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* @access public
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*
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* @global WP_Filesystem_Base $wp_filesystem Subclass
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* @global array $wp_theme_directories
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*
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* @param array|string $args {
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* Optional. Array or string of arguments for installing a package. Default empty array.
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*
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* @type string $source Required path to the package source. Default empty.
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* @type string $destination Required path to a folder to install the package in.
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* Default empty.
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* @type bool $clear_destination Whether to delete any files already in the destination
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* folder. Default false.
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* @type bool $clear_working Whether to delete the files form the working directory
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* after copying to the destination. Default false.
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* @type bool $abort_if_destination_exists Whether to abort the installation if
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* the destination folder already exists. Default true.
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* @type array $hook_extra Extra arguments to pass to the filter hooks called by
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* WP_Upgrader::install_package(). Default empty array.
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* }
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*
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* @return array|WP_Error The result (also stored in `WP_Upgrader::$result`), or a WP_Error on failure.
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*/
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public function install_package( $args = array() ) {
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global $wp_filesystem, $wp_theme_directories;
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$defaults = array(
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'source' => '', // Please always pass this
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'destination' => '', // and this
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'clear_destination' => false,
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'clear_working' => false,
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'abort_if_destination_exists' => true,
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'hook_extra' => array()
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);
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$args = wp_parse_args($args, $defaults);
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// These were previously extract()'d.
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$source = $args['source'];
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$destination = $args['destination'];
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$clear_destination = $args['clear_destination'];
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@set_time_limit( 300 );
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if ( empty( $source ) || empty( $destination ) ) {
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return new WP_Error( 'bad_request', $this->strings['bad_request'] );
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}
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$this->skin->feedback( 'installing_package' );
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/**
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* Filters the install response before the installation has started.
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*
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* Returning a truthy value, or one that could be evaluated as a WP_Error
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* will effectively short-circuit the installation, returning that value
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* instead.
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*
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* @since 2.8.0
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*
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* @param bool|WP_Error $response Response.
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* @param array $hook_extra Extra arguments passed to hooked filters.
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*/
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$res = apply_filters( 'upgrader_pre_install', true, $args['hook_extra'] );
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if ( is_wp_error( $res ) ) {
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return $res;
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}
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//Retain the Original source and destinations
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$remote_source = $args['source'];
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$local_destination = $destination;
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$source_files = array_keys( $wp_filesystem->dirlist( $remote_source ) );
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$remote_destination = $wp_filesystem->find_folder( $local_destination );
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//Locate which directory to copy to the new folder, This is based on the actual folder holding the files.
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if ( 1 == count( $source_files ) && $wp_filesystem->is_dir( trailingslashit( $args['source'] ) . $source_files[0] . '/' ) ) { //Only one folder? Then we want its contents.
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$source = trailingslashit( $args['source'] ) . trailingslashit( $source_files[0] );
|
|
} elseif ( count( $source_files ) == 0 ) {
|
|
return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] ); // There are 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 $this 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;
|
|
}
|
|
|
|
// 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 ) ) {
|
|
$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 mixed $removed Whether the destination was cleared. true on 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 );
|
|
}
|
|
}
|
|
|
|
//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 );
|
|
}
|
|
}
|
|
// Copy new version of item into place.
|
|
$result = copy_dir($source, $remote_destination);
|
|
if ( is_wp_error($result) ) {
|
|
if ( $args['clear_working'] ) {
|
|
$wp_filesystem->delete( $remote_source, true );
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
//Clear the Working folder?
|
|
if ( $args['clear_working'] ) {
|
|
$wp_filesystem->delete( $remote_source, true );
|
|
}
|
|
|
|
$destination_name = basename( str_replace($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 install response after the installation has finished.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param bool $response Install 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;
|
|
}
|
|
|
|
/**
|
|
* Run an upgrade/install.
|
|
*
|
|
* 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
|
|
* @access public
|
|
*
|
|
* @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 form the working
|
|
* directory after copying to the destination.
|
|
* Default false.
|
|
* @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/install
|
|
* 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,
|
|
'abort_if_destination_exists' => true, // Abort if the Destination directory exists, Pass clear_destination as false please
|
|
'clear_working' => true,
|
|
'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.
|
|
*
|
|
* @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.
|
|
* }
|
|
*/
|
|
$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, This just returns the filename
|
|
* of the file if the package is a local file)
|
|
*/
|
|
$download = $this->download_package( $options['package'] );
|
|
if ( is_wp_error($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']
|
|
) );
|
|
|
|
$this->skin->set_result($result);
|
|
if ( is_wp_error($result) ) {
|
|
$this->skin->error($result);
|
|
$this->skin->feedback('process_failed');
|
|
} else {
|
|
// Install succeeded.
|
|
$this->skin->feedback('process_success');
|
|
}
|
|
|
|
$this->skin->after();
|
|
|
|
if ( ! $options['is_multi'] ) {
|
|
|
|
/**
|
|
* Fires when the upgrader process is complete.
|
|
*
|
|
* @since 3.6.0
|
|
* @since 3.7.0 Added to WP_Upgrader::run().
|
|
*
|
|
* @param WP_Upgrader $this WP_Upgrader instance. In other contexts, $this, might be a
|
|
* Theme_Upgrader, Plugin_Upgrader or Core_Upgrade 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', or 'core'.
|
|
* @type bool $bulk Whether the update process is a bulk update. Default true.
|
|
* @type string $plugin The base plugin path from 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.
|
|
* }
|
|
*/
|
|
do_action( 'upgrader_process_complete', $this, $options['hook_extra'] );
|
|
|
|
$this->skin->footer();
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Toggle maintenance mode for the site.
|
|
*
|
|
* Creates/deletes the maintenance file to enable/disable maintenance mode.
|
|
*
|
|
* @since 2.8.0
|
|
* @access public
|
|
*
|
|
* @global WP_Filesystem_Base $wp_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
|
|
* @access public
|
|
* @static
|
|
*
|
|
* @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 no longer 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 not, 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
|
|
* @access public
|
|
* @static
|
|
*
|
|
* @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' );
|
|
}
|
|
|
|
}
|
|
|
|
/** 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_Upgrader class */
|
|
require_once ABSPATH . 'wp-admin/includes/class-wp-automatic-upgrader.php';
|