WordPress/wp-admin/includes/class-wp-upgrader.php

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<?php
/**
* A File upgrader class for WordPress.
*
* This set of classes are designed to be used to upgrade/install a local set of files on the filesystem via the Filesystem Abstraction classes.
*
* @link http://trac.wordpress.org/ticket/7875 consolidate plugin/theme/core upgrade/install functions
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
/**
* WordPress Upgrader class for Upgrading/Installing a local set of files via the Filesystem Abstraction classes from a Zip file.
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class WP_Upgrader {
var $strings = array();
var $skin = null;
var $result = array();
function WP_Upgrader($skin = null) {
return $this->__construct($skin);
}
function __construct($skin = null) {
if ( null == $skin )
$this->skin = new WP_Upgrader_Skin();
else
$this->skin = $skin;
}
function init() {
$this->skin->set_upgrader($this);
$this->generic_strings();
}
function generic_strings() {
$this->strings['bad_request'] = __('Invalid Data provided.');
$this->strings['fs_unavailable'] = __('Could not access filesystem.');
$this->strings['fs_error'] = __('Filesystem error.');
$this->strings['fs_no_root_dir'] = __('Unable to locate WordPress Root directory.');
$this->strings['fs_no_content_dir'] = __('Unable to locate WordPress Content directory (wp-content).');
$this->strings['fs_no_plugins_dir'] = __('Unable to locate WordPress Plugin directory.');
$this->strings['fs_no_themes_dir'] = __('Unable to locate WordPress Theme directory.');
/* translators: %s: directory name */
$this->strings['fs_no_folder'] = __('Unable to locate needed folder (%s).');
$this->strings['download_failed'] = __('Download failed.');
$this->strings['installing_package'] = __('Installing the latest version&#8230;');
$this->strings['folder_exists'] = __('Destination folder already exists.');
$this->strings['mkdir_failed'] = __('Could not create directory.');
$this->strings['bad_package'] = __('Incompatible Archive.');
$this->strings['maintenance_start'] = __('Enabling Maintenance mode&#8230;');
$this->strings['maintenance_end'] = __('Disabling Maintenance mode&#8230;');
}
function fs_connect( $directories = array() ) {
global $wp_filesystem;
if ( false === ($credentials = $this->skin->request_filesystem_credentials()) )
return false;
if ( ! WP_Filesystem($credentials) ) {
$error = true;
if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() )
$error = $wp_filesystem->errors;
$this->skin->request_filesystem_credentials($error); //Failed to connect, Error and request again
return false;
}
if ( ! is_object($wp_filesystem) )
return new WP_Error('fs_unavailable', $this->strings['fs_unavailable'] );
if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
return new WP_Error('fs_error', $this->strings['fs_error'], $wp_filesystem->errors);
foreach ( (array)$directories as $dir ) {
switch ( $dir ) {
case ABSPATH:
if ( ! $wp_filesystem->abspath() )
return new WP_Error('fs_no_root_dir', $this->strings['fs_no_root_dir']);
break;
case WP_CONTENT_DIR:
if ( ! $wp_filesystem->wp_content_dir() )
return new WP_Error('fs_no_content_dir', $this->strings['fs_no_content_dir']);
break;
case WP_PLUGIN_DIR:
if ( ! $wp_filesystem->wp_plugins_dir() )
return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']);
break;
case WP_CONTENT_DIR . '/themes':
if ( ! $wp_filesystem->find_folder(WP_CONTENT_DIR . '/themes') )
return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']);
break;
default:
if ( ! $wp_filesystem->find_folder($dir) )
return new WP_Error('fs_no_folder', sprintf($this->strings['fs_no_folder'], $dir));
break;
}
}
return true;
} //end fs_connect();
function download_package($package) {
if ( ! preg_match('!^(http|https|ftp)://!i', $package) && file_exists($package) ) //Local file or remote?
return $package; //must be a local file..
if ( empty($package) )
return new WP_Error('no_package', $this->strings['no_package']);
$this->skin->feedback('downloading_package', $package);
$download_file = download_url($package);
if ( is_wp_error($download_file) )
return new WP_Error('download_failed', $this->strings['download_failed'], $download_file->get_error_message());
return $download_file;
}
function unpack_package($package, $delete_package = true) {
global $wp_filesystem;
$this->skin->feedback('unpack_package');
$upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/';
//Clean up contents of upgrade directory beforehand.
$upgrade_files = $wp_filesystem->dirlist($upgrade_folder);
if ( !empty($upgrade_files) ) {
foreach ( $upgrade_files as $file )
$wp_filesystem->delete($upgrade_folder . $file['name'], true);
}
//We need a working directory
$working_dir = $upgrade_folder . basename($package, '.zip');
// Clean up working directory
if ( $wp_filesystem->is_dir($working_dir) )
$wp_filesystem->delete($working_dir, true);
// Unzip package to working directory
$result = unzip_file($package, $working_dir); //TODO optimizations, Copy when Move/Rename would suffice?
// Once extracted, delete the package if required.
if ( $delete_package )
unlink($package);
if ( is_wp_error($result) ) {
$wp_filesystem->delete($working_dir, true);
return $result;
}
return $working_dir;
}
function install_package($args = array()) {
global $wp_filesystem;
$defaults = array( 'source' => '', 'destination' => '', //Please always pass these
'clear_destination' => false, 'clear_working' => false,
'hook_extra' => array());
$args = wp_parse_args($args, $defaults);
extract($args);
@set_time_limit( 300 );
if ( empty($source) || empty($destination) )
return new WP_Error('bad_request', $this->strings['bad_request']);
$this->skin->feedback('installing_package');
$res = apply_filters('upgrader_pre_install', true, $hook_extra);
if ( is_wp_error($res) )
return $res;
//Retain the Original source and destinations
$remote_source = $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) && $wp_filesystem->is_dir( trailingslashit($source) . $source_files[0] . '/') ) //Only one folder? Then we want its contents.
$source = trailingslashit($source) . trailingslashit($source_files[0]);
elseif ( count($source_files) == 0 )
return new WP_Error('bad_package', $this->strings['bad_package']); //There are no files?
//else //Its only a single file, The upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename.
//Hook ability to change the source file location..
$source = apply_filters('upgrader_source_selection', $source, $remote_source, $this);
if ( is_wp_error($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.
if ( in_array( $destination, array(ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes') ) ) {
$remote_destination = trailingslashit($remote_destination) . trailingslashit(basename($source));
$destination = trailingslashit($destination) . trailingslashit(basename($source));
}
if ( $wp_filesystem->exists($remote_destination) ) {
if ( $clear_destination ) {
//We're going to clear the destination if theres something there
$this->skin->feedback('remove_old');
$removed = $wp_filesystem->delete($remote_destination, true);
$removed = apply_filters('upgrader_clear_destination', $removed, $local_destination, $remote_destination, $hook_extra);
if ( is_wp_error($removed) )
return $removed;
else if ( ! $removed )
return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']);
} else {
//If we're not clearing the destination folder and something exists there allready, 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', $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 ( $clear_working )
$wp_filesystem->delete($remote_source, true);
return $result;
}
//Clear the Working folder?
if ( $clear_working )
$wp_filesystem->delete($remote_source, true);
$destination_name = basename( str_replace($local_destination, '', $destination) );
if ( '.' == $destination_name )
$destination_name = '';
$this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir');
$res = apply_filters('upgrader_post_install', true, $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 $this->result;
}
function run($options) {
$defaults = array( 'package' => '', //Please always pass this.
'destination' => '', //And this
'clear_destination' => false,
'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, $defaults);
extract($options);
//Connect to the Filesystem first.
$res = $this->fs_connect( array(WP_CONTENT_DIR, $destination) );
if ( ! $res ) //Mainly for non-connected filesystem.
return false;
if ( is_wp_error($res) ) {
$this->skin->error($res);
return $res;
}
if ( !$is_multi ) // call $this->header separately if running multiple times
$this->skin->header();
$this->skin->before();
//Download the package (Note, This just returns the filename of the file if the package is a local file)
$download = $this->download_package( $package );
if ( is_wp_error($download) ) {
$this->skin->error($download);
$this->skin->after();
return $download;
}
//Unzip's the file into a temporary directory
$working_dir = $this->unpack_package( $download );
if ( is_wp_error($working_dir) ) {
$this->skin->error($working_dir);
$this->skin->after();
return $working_dir;
}
//With the given options, this installs it to the destination directory.
$result = $this->install_package( array(
'source' => $working_dir,
'destination' => $destination,
'clear_destination' => $clear_destination,
'clear_working' => $clear_working,
'hook_extra' => $hook_extra
) );
$this->skin->set_result($result);
if ( is_wp_error($result) ) {
$this->skin->error($result);
$this->skin->feedback('process_failed');
} else {
//Install Suceeded
$this->skin->feedback('process_success');
}
$this->skin->after();
if ( !$is_multi )
$this->skin->footer();
return $result;
}
function maintenance_mode($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, $maintenance_string, FS_CHMOD_FILE);
} else if ( !$enable && $wp_filesystem->exists($file) ) {
$this->skin->feedback('maintenance_end');
$wp_filesystem->delete($file);
}
}
}
/**
* Plugin Upgrader class for WordPress Plugins, It is designed to upgrade/install plugins from a local zip, remote zip URL, or uploaded zip file.
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Plugin_Upgrader extends WP_Upgrader {
var $result;
var $bulk = false;
var $show_before = '';
function upgrade_strings() {
$this->strings['up_to_date'] = __('The plugin is at the latest version.');
$this->strings['no_package'] = __('Upgrade package not available.');
$this->strings['downloading_package'] = __('Downloading update from <span class="code">%s</span>&#8230;');
$this->strings['unpack_package'] = __('Unpacking the update&#8230;');
$this->strings['deactivate_plugin'] = __('Deactivating the plugin&#8230;');
$this->strings['remove_old'] = __('Removing the old version of the plugin&#8230;');
$this->strings['remove_old_failed'] = __('Could not remove the old plugin.');
$this->strings['process_failed'] = __('Plugin upgrade failed.');
$this->strings['process_success'] = __('Plugin upgraded successfully.');
}
function install_strings() {
$this->strings['no_package'] = __('Install package not available.');
$this->strings['downloading_package'] = __('Downloading install package from <span class="code">%s</span>&#8230;');
$this->strings['unpack_package'] = __('Unpacking the package&#8230;');
$this->strings['installing_package'] = __('Installing the plugin&#8230;');
$this->strings['process_failed'] = __('Plugin install failed.');
$this->strings['process_success'] = __('Plugin installed successfully.');
}
function install($package) {
$this->init();
$this->install_strings();
$this->run(array(
'package' => $package,
'destination' => WP_PLUGIN_DIR,
'clear_destination' => false, //Do not overwrite files.
'clear_working' => true,
'hook_extra' => array()
));
// Force refresh of plugin update information
delete_site_transient('update_plugins');
}
function upgrade($plugin) {
$this->init();
$this->upgrade_strings();
$current = get_site_transient( 'update_plugins' );
if ( !isset( $current->response[ $plugin ] ) ) {
$this->skin->before();
$this->skin->set_result(false);
$this->skin->error('up_to_date');
$this->skin->after();
return false;
}
// Get the URL to the zip file
$r = $current->response[ $plugin ];
add_filter('upgrader_pre_install', array(&$this, 'deactivate_plugin_before_upgrade'), 10, 2);
add_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'), 10, 4);
//'source_selection' => array(&$this, 'source_selection'), //theres a track ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins.
$this->run(array(
'package' => $r->package,
'destination' => WP_PLUGIN_DIR,
'clear_destination' => true,
'clear_working' => true,
'hook_extra' => array(
'plugin' => $plugin
)
));
// Cleanup our hooks, incase something else does a upgrade on this connection.
remove_filter('upgrader_pre_install', array(&$this, 'deactivate_plugin_before_upgrade'));
remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'));
if ( ! $this->result || is_wp_error($this->result) )
return $this->result;
// Force refresh of plugin update information
delete_site_transient('update_plugins');
}
function bulk_upgrade($plugins) {
$this->init();
$this->bulk = true;
$this->upgrade_strings();
$current = get_site_transient( 'update_plugins' );
add_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'), 10, 4);
$this->skin->header();
// Connect to the Filesystem first.
$res = $this->fs_connect( array(WP_CONTENT_DIR, WP_PLUGIN_DIR) );
if ( ! $res ) {
$this->skin->footer();
return false;
}
$this->maintenance_mode(true);
$results = array();
$this->update_count = count($plugins);
$this->update_current = 0;
foreach ( $plugins as $plugin ) {
$this->update_current++;
$this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true);
if ( !isset( $current->response[ $plugin ] ) ) {
$this->skin->set_result(false);
$this->skin->before();
$this->skin->error('up_to_date');
$this->skin->after();
$results[$plugin] = false;
continue;
}
// Get the URL to the zip file
$r = $current->response[ $plugin ];
$this->skin->plugin_active = is_plugin_active($plugin);
$result = $this->run(array(
'package' => $r->package,
'destination' => WP_PLUGIN_DIR,
'clear_destination' => true,
'clear_working' => true,
'is_multi' => true,
'hook_extra' => array(
'plugin' => $plugin
)
));
$results[$plugin] = $this->result;
// Prevent credentials auth screen from displaying multiple times
if ( false === $result )
break;
} //end foreach $plugins
$this->maintenance_mode(false);
$this->skin->footer();
// Cleanup our hooks, incase something else does a upgrade on this connection.
remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'));
// Force refresh of plugin update information
delete_site_transient('update_plugins');
return $results;
}
//return plugin info.
function plugin_info() {
if ( ! is_array($this->result) )
return false;
if ( empty($this->result['destination_name']) )
return false;
$plugin = get_plugins('/' . $this->result['destination_name']); //Ensure to pass with leading slash
if ( empty($plugin) )
return false;
$pluginfiles = array_keys($plugin); //Assume the requested plugin is the first in the list
return $this->result['destination_name'] . '/' . $pluginfiles[0];
}
//Hooked to pre_install
function deactivate_plugin_before_upgrade($return, $plugin) {
if ( is_wp_error($return) ) //Bypass.
return $return;
$plugin = isset($plugin['plugin']) ? $plugin['plugin'] : '';
if ( empty($plugin) )
return new WP_Error('bad_request', $this->strings['bad_request']);
if ( is_plugin_active($plugin) ) {
$this->skin->feedback('deactivate_plugin');
//Deactivate the plugin silently, Prevent deactivation hooks from running.
deactivate_plugins($plugin, true);
}
}
//Hooked to upgrade_clear_destination
function delete_old_plugin($removed, $local_destination, $remote_destination, $plugin) {
global $wp_filesystem;
if ( is_wp_error($removed) )
return $removed; //Pass errors through.
$plugin = isset($plugin['plugin']) ? $plugin['plugin'] : '';
if ( empty($plugin) )
return new WP_Error('bad_request', $this->strings['bad_request']);
$plugins_dir = $wp_filesystem->wp_plugins_dir();
$this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin) );
if ( ! $wp_filesystem->exists($this_plugin_dir) ) //If its already vanished.
return $removed;
// If plugin is in its own directory, recursively delete the directory.
if ( strpos($plugin, '/') && $this_plugin_dir != $plugins_dir ) //base check on if plugin includes directory seperator AND that its not the root plugin folder
$deleted = $wp_filesystem->delete($this_plugin_dir, true);
else
$deleted = $wp_filesystem->delete($plugins_dir . $plugin);
if ( ! $deleted )
return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']);
return $removed;
}
}
/**
* Theme Upgrader class for WordPress Themes, It is designed to upgrade/install themes from a local zip, remote zip URL, or uploaded zip file.
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Theme_Upgrader extends WP_Upgrader {
var $result;
function upgrade_strings() {
$this->strings['up_to_date'] = __('The theme is at the latest version.');
$this->strings['no_package'] = __('Upgrade package not available.');
$this->strings['downloading_package'] = __('Downloading update from <span class="code">%s</span>&#8230;');
$this->strings['unpack_package'] = __('Unpacking the update&#8230;');
$this->strings['remove_old'] = __('Removing the old version of the theme&#8230;');
$this->strings['remove_old_failed'] = __('Could not remove the old theme.');
$this->strings['process_failed'] = __('Theme upgrade failed.');
$this->strings['process_success'] = __('Theme upgraded successfully.');
}
function install_strings() {
$this->strings['no_package'] = __('Install package not available.');
$this->strings['downloading_package'] = __('Downloading install package from <span class="code">%s</span>&#8230;');
$this->strings['unpack_package'] = __('Unpacking the package&#8230;');
$this->strings['installing_package'] = __('Installing the theme&#8230;');
$this->strings['process_failed'] = __('Theme install failed.');
$this->strings['process_success'] = __('Theme installed successfully.');
}
function install($package) {
$this->init();
$this->install_strings();
$options = array(
'package' => $package,
'destination' => WP_CONTENT_DIR . '/themes',
'clear_destination' => false, //Do not overwrite files.
'clear_working' => true
);
$this->run($options);
if ( ! $this->result || is_wp_error($this->result) )
return $this->result;
// Force refresh of theme update information
delete_site_transient('update_themes');
if ( empty($result['destination_name']) )
return false;
else
return $result['destination_name'];
}
function upgrade($theme) {
$this->init();
$this->upgrade_strings();
// Is an update available?
$current = get_site_transient( 'update_themes' );
if ( !isset( $current->response[ $theme ] ) ) {
$this->skin->before();
$this->skin->set_result(false);
$this->skin->error('up_to_date');
$this->skin->after();
return false;
}
$r = $current->response[ $theme ];
add_filter('upgrader_pre_install', array(&$this, 'current_before'), 10, 2);
add_filter('upgrader_post_install', array(&$this, 'current_after'), 10, 2);
add_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme'), 10, 4);
$options = array(
'package' => $r['package'],
'destination' => WP_CONTENT_DIR . '/themes',
'clear_destination' => true,
'clear_working' => true,
'hook_extra' => array(
'theme' => $theme
)
);
$this->run($options);
if ( ! $this->result || is_wp_error($this->result) )
return $this->result;
// Force refresh of theme update information
delete_site_transient('update_themes');
return true;
}
function bulk_upgrade($themes) {
$this->init();
$this->bulk = true;
$this->upgrade_strings();
$current = get_site_transient( 'update_themes' );
add_filter('upgrader_pre_install', array(&$this, 'current_before'), 10, 2);
add_filter('upgrader_post_install', array(&$this, 'current_after'), 10, 2);
add_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme'), 10, 4);
$this->skin->header();
// Connect to the Filesystem first.
$res = $this->fs_connect( array(WP_CONTENT_DIR) );
if ( ! $res ) {
$this->skin->footer();
return false;
}
$this->maintenance_mode(true);
$results = array();
$this->update_count = count($themes);
$this->update_current = 0;
foreach ( $themes as $theme ) {
$this->update_current++;
if ( !isset( $current->response[ $theme ] ) ) {
$this->skin->set_result(false);
$this->skin->before();
$this->skin->error('up_to_date');
$this->skin->after();
$results[$theme] = false;
continue;
}
$this->skin->theme_info = $this->theme_info($theme);
// Get the URL to the zip file
$r = $current->response[ $theme ];
$options = array(
'package' => $r['package'],
'destination' => WP_CONTENT_DIR . '/themes',
'clear_destination' => true,
'clear_working' => true,
'hook_extra' => array(
'theme' => $theme
)
);
$result = $this->run($options);
$results[$theme] = $this->result;
// Prevent credentials auth screen from displaying multiple times
if ( false === $result )
break;
} //end foreach $plugins
$this->maintenance_mode(false);
$this->skin->footer();
// Cleanup our hooks, incase something else does a upgrade on this connection.
remove_filter('upgrader_pre_install', array(&$this, 'current_before'), 10, 2);
remove_filter('upgrader_post_install', array(&$this, 'current_after'), 10, 2);
remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme'), 10, 4);
// Force refresh of theme update information
delete_site_transient('update_themes');
return $results;
}
function current_before($return, $theme) {
if ( is_wp_error($return) )
return $return;
$theme = isset($theme['theme']) ? $theme['theme'] : '';
if ( $theme != get_stylesheet() ) //If not current
return $return;
//Change to maintainence mode now.
if ( ! $this->bulk )
$this->maintenance_mode(true);
return $return;
}
function current_after($return, $theme) {
if ( is_wp_error($return) )
return $return;
$theme = isset($theme['theme']) ? $theme['theme'] : '';
if ( $theme != get_stylesheet() ) //If not current
return $return;
//Ensure stylesheet name hasnt changed after the upgrade:
if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) {
$theme_info = $this->theme_info();
$stylesheet = $this->result['destination_name'];
$template = !empty($theme_info['Template']) ? $theme_info['Template'] : $stylesheet;
switch_theme($template, $stylesheet, true);
}
//Time to remove maintainence mode
if ( ! $this->bulk )
$this->maintenance_mode(false);
return $return;
}
function delete_old_theme($removed, $local_destination, $remote_destination, $theme) {
global $wp_filesystem;
$theme = isset($theme['theme']) ? $theme['theme'] : '';
if ( is_wp_error($removed) || empty($theme) )
return $removed; //Pass errors through.
$themes_dir = $wp_filesystem->wp_themes_dir();
if ( $wp_filesystem->exists( trailingslashit($themes_dir) . $theme ) )
if ( ! $wp_filesystem->delete( trailingslashit($themes_dir) . $theme, true ) )
return false;
return true;
}
function theme_info($theme = null) {
if ( empty($theme) ) {
if ( !empty($this->result['destination_name']) )
$theme = $this->result['destination_name'];
else
return false;
}
return get_theme_data(WP_CONTENT_DIR . '/themes/' . $theme . '/style.css');
}
}
/**
* Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combiantion with the wp-admin/includes/update-core.php file
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Core_Upgrader extends WP_Upgrader {
function upgrade_strings() {
$this->strings['up_to_date'] = __('WordPress is at the latest version.');
$this->strings['no_package'] = __('Upgrade package not available.');
$this->strings['downloading_package'] = __('Downloading update from <span class="code">%s</span>&#8230;');
$this->strings['unpack_package'] = __('Unpacking the update&#8230;');
$this->strings['copy_failed'] = __('Could not copy files.');
}
function upgrade($current) {
global $wp_filesystem;
$this->init();
$this->upgrade_strings();
if ( !empty($feedback) )
add_filter('update_feedback', $feedback);
// Is an update available?
if ( !isset( $current->response ) || $current->response == 'latest' )
return new WP_Error('up_to_date', $this->strings['up_to_date']);
$res = $this->fs_connect( array(ABSPATH, WP_CONTENT_DIR) );
if ( is_wp_error($res) )
return $res;
$wp_dir = trailingslashit($wp_filesystem->abspath());
$download = $this->download_package( $current->package );
if ( is_wp_error($download) )
return $download;
$working_dir = $this->unpack_package( $download );
if ( is_wp_error($working_dir) )
return $working_dir;
// Copy update-core.php from the new version into place.
if ( !$wp_filesystem->copy($working_dir . '/wordpress/wp-admin/includes/update-core.php', $wp_dir . 'wp-admin/includes/update-core.php', true) ) {
$wp_filesystem->delete($working_dir, true);
return new WP_Error('copy_failed', $this->strings['copy_failed']);
}
$wp_filesystem->chmod($wp_dir . 'wp-admin/includes/update-core.php', FS_CHMOD_FILE);
require(ABSPATH . 'wp-admin/includes/update-core.php');
return update_core($working_dir, $wp_dir);
}
}
/**
* Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes.
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class WP_Upgrader_Skin {
var $upgrader;
var $done_header = false;
function WP_Upgrader_Skin($args = array()) {
return $this->__construct($args);
}
function __construct($args = array()) {
$defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false );
$this->options = wp_parse_args($args, $defaults);
}
function set_upgrader(&$upgrader) {
if ( is_object($upgrader) )
$this->upgrader =& $upgrader;
$this->add_strings();
}
function add_strings() {
}
function set_result($result) {
$this->result = $result;
}
function request_filesystem_credentials($error = false) {
$url = $this->options['url'];
$context = $this->options['context'];
if ( !empty($this->options['nonce']) )
$url = wp_nonce_url($url, $this->options['nonce']);
return request_filesystem_credentials($url, '', $error, $context); //Possible to bring inline, Leaving as is for now.
}
function header() {
if ( $this->done_header )
return;
$this->done_header = true;
echo '<div class="wrap">';
echo screen_icon();
echo '<h2>' . $this->options['title'] . '</h2>';
}
function footer() {
echo '</div>';
}
function error($errors) {
if ( ! $this->done_header )
$this->header();
if ( is_string($errors) ) {
$this->feedback($errors);
} elseif ( is_wp_error($errors) && $errors->get_error_code() ) {
foreach ( $errors->get_error_messages() as $message ) {
if ( $errors->get_error_data() )
$this->feedback($message . ' ' . $errors->get_error_data() );
else
$this->feedback($message);
}
}
}
function feedback($string) {
if ( isset( $this->upgrader->strings[$string] ) )
$string = $this->upgrader->strings[$string];
if ( strpos($string, '%') !== false ) {
$args = func_get_args();
$args = array_splice($args, 1);
if ( !empty($args) )
$string = vsprintf($string, $args);
}
if ( empty($string) )
return;
show_message($string);
}
function before() {}
function after() {}
}
/**
* Plugin Upgrader Skin for WordPress Plugin Upgrades.
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Plugin_Upgrader_Skin extends WP_Upgrader_Skin {
var $plugin = '';
var $plugin_active = false;
function Plugin_Upgrader_Skin($args = array()) {
return $this->__construct($args);
}
function __construct($args = array()) {
$defaults = array( 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Upgrade Plugin') );
$args = wp_parse_args($args, $defaults);
$this->plugin = $args['plugin'];
$this->plugin_active = is_plugin_active($this->plugin);
parent::__construct($args);
}
function after() {
$this->plugin = $this->upgrader->plugin_info();
if ( !empty($this->plugin) && !is_wp_error($this->result) && $this->plugin_active ){
show_message(__('Reactivating the plugin&#8230;'));
echo '<iframe style="border:0;overflow:hidden" width="100%" height="170px" src="' . wp_nonce_url('update.php?action=activate-plugin&plugin=' . $this->plugin, 'activate-plugin_' . $this->plugin) .'"></iframe>';
}
$update_actions = array(
'activate_plugin' => '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;plugin=' . $this->plugin, 'activate-plugin_' . $this->plugin) . '" title="' . esc_attr__('Activate this plugin') . '" target="_parent">' . __('Activate Plugin') . '</a>',
'plugins_page' => '<a href="' . admin_url('plugins.php') . '" title="' . esc_attr__('Goto plugins page') . '" target="_parent">' . __('Return to Plugins page') . '</a>'
);
if ( $this->plugin_active )
unset( $update_actions['activate_plugin'] );
if ( ! $this->result || is_wp_error($this->result) )
unset( $update_actions['activate_plugin'] );
$update_actions = apply_filters('update_plugin_complete_actions', $update_actions, $this->plugin);
if ( ! empty($update_actions) )
$this->feedback('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$update_actions));
}
function before() {
if ( $this->upgrader->show_before ) {
echo $this->upgrader->show_before;
$this->upgrader->show_before = '';
}
}
}
/**
* Plugin Upgrader Skin for WordPress Plugin Upgrades.
*
* @package WordPress
* @subpackage Upgrader
* @since 3.0.0
*/
class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
var $in_loop = false;
var $error = false;
function Bulk_Upgrader_Skin($args = array()) {
return $this->__construct($args);
}
function __construct($args = array()) {
$defaults = array( 'url' => '', 'nonce' => '' );
$args = wp_parse_args($args, $defaults);
parent::__construct($args);
}
function add_strings() {
$this->upgrader->strings['skin_update_failed_error'] = __('An error occured while updating %1$s: <strong>%2$s</strong>.');
$this->upgrader->strings['skin_update_failed'] = __('The update of %1$s failed.');
$this->upgrader->strings['skin_update_successful'] = __('%1$s updated successfully.').' <a onclick="%2$s" href="#" class="hide-if-no-js"><span>'.__('Show Details').'</span><span class="hidden">'.__('Hide Details').'</span>.</a>';
}
function feedback($string) {
if ( isset( $this->upgrader->strings[$string] ) )
$string = $this->upgrader->strings[$string];
if ( strpos($string, '%') !== false ) {
$args = func_get_args();
$args = array_splice($args, 1);
if ( !empty($args) )
$string = vsprintf($string, $args);
}
if ( empty($string) )
return;
if ( $this->in_loop )
echo "$string<br />\n";
else
echo "<p>$string</p>\n";
}
function header() {
// Nothing, This will be displayed within a iframe.
}
function footer() {
// Nothing, This will be displayed within a iframe.
}
function error($error) {
if ( is_string($error) && isset( $this->upgrader->strings[$error] ) )
$this->error = $this->upgrader->strings[$error];
if ( is_wp_error($error) ) {
foreach ( $error->get_error_messages() as $emessage ) {
if ( $error->get_error_data() )
$messages[] = $emessage . ' ' . $error->get_error_data();
else
$messages[] = $emessage;
}
$this->error = implode(', ', $messages);
}
}
function before($title = '') {
$this->in_loop = true;
printf( '<h4>' . $this->upgrader->strings['skin_before_update_header'] . '</h4>', $title, $this->upgrader->update_current, $this->upgrader->update_count);
echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr($this->upgrader->update_current) . '"><p>';
$this->flush_output();
}
function after($title = '') {
echo '</p></div>';
if ( $this->error || ! $this->result ) {
if ( $this->error )
echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, $this->error) . '</p></div>';
else
echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '</p></div>';
echo '<script type="text/javascript">jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').show();</script>';
}
if ( !empty($this->result) && !is_wp_error($this->result) ) {
echo '<div class="updated"><p>' . sprintf($this->upgrader->strings['skin_update_successful'], $title, 'jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').toggle();jQuery(\'span\', this).toggle(); return false;') . '</p></div>';
}
$this->reset();
$this->flush_output();
}
function reset() {
$this->in_loop = false;
$this->error = false;
}
function flush_output() {
wp_ob_end_flush_all();
flush();
}
}
class Bulk_Plugin_Upgrader_Skin extends Bulk_Upgrader_Skin {
var $plugin_info = array(); // Plugin_Upgrader::bulk() will fill this in.
function Plugin_Upgrader_Skin($args = array()) {
parent::__construct($args);
}
function add_strings() {
parent::add_strings();
$this->upgrader->strings['skin_before_update_header'] = __('Updating Plugin %1$s (%2$d/%3$d)');
}
function before() {
parent::before($this->plugin_info['Title']);
}
function after() {
parent::after($this->plugin_info['Title']);
}
}
class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin {
var $theme_info = array(); // Theme_Upgrader::bulk() will fill this in.
function Theme_Upgrader_Skin($args = array()) {
parent::__construct($args);
}
function add_strings() {
parent::add_strings();
$this->upgrader->strings['skin_before_update_header'] = __('Updating Theme %1$s (%2$d/%3$d)');
}
function before() {
parent::before($this->theme_info['Name']);
}
function after() {
parent::after($this->theme_info['Name']);
}
}
/**
* Plugin Installer Skin for WordPress Plugin Installer.
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Plugin_Installer_Skin extends WP_Upgrader_Skin {
var $api;
var $type;
function Plugin_Installer_Skin($args = array()) {
return $this->__construct($args);
}
function __construct($args = array()) {
$defaults = array( 'type' => 'web', 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => '' );
$args = wp_parse_args($args, $defaults);
$this->type = $args['type'];
$this->api = isset($args['api']) ? $args['api'] : array();
parent::__construct($args);
}
function before() {
if ( !empty($this->api) )
$this->upgrader->strings['process_success'] = sprintf( __('Successfully installed the plugin <strong>%s %s</strong>.'), $this->api->name, $this->api->version);
}
function after() {
$plugin_file = $this->upgrader->plugin_info();
$install_actions = array(
'activate_plugin' => '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;plugin=' . $plugin_file, 'activate-plugin_' . $plugin_file) . '" title="' . esc_attr__('Activate this plugin') . '" target="_parent">' . __('Activate Plugin') . '</a>',
);
if ( $this->type == 'web' )
$install_actions['plugins_page'] = '<a href="' . admin_url('plugin-install.php') . '" title="' . esc_attr__('Return to Plugin Installer') . '" target="_parent">' . __('Return to Plugin Installer') . '</a>';
else
$install_actions['plugins_page'] = '<a href="' . admin_url('plugins.php') . '" title="' . esc_attr__('Return to Plugins page') . '" target="_parent">' . __('Return to Plugins page') . '</a>';
if ( ! $this->result || is_wp_error($this->result) )
unset( $install_actions['activate_plugin'] );
$install_actions = apply_filters('install_plugin_complete_actions', $install_actions, $this->api, $plugin_file);
if ( ! empty($install_actions) )
$this->feedback('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$install_actions));
}
}
/**
* Theme Installer Skin for the WordPress Theme Installer.
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Theme_Installer_Skin extends WP_Upgrader_Skin {
var $api;
var $type;
function Theme_Installer_Skin($args = array()) {
return $this->__construct($args);
}
function __construct($args = array()) {
$defaults = array( 'type' => 'web', 'url' => '', 'theme' => '', 'nonce' => '', 'title' => '' );
$args = wp_parse_args($args, $defaults);
$this->type = $args['type'];
$this->api = isset($args['api']) ? $args['api'] : array();
parent::__construct($args);
}
function before() {
if ( !empty($this->api) ) {
/* translators: 1: theme name, 2: version */
$this->upgrader->strings['process_success'] = sprintf( __('Successfully installed the theme <strong>%1$s %2$s</strong>.'), $this->api->name, $this->api->version);
}
}
function after() {
if ( empty($this->upgrader->result['destination_name']) )
return;
$theme_info = $this->upgrader->theme_info();
if ( empty($theme_info) )
return;
$name = $theme_info['Name'];
$stylesheet = $this->upgrader->result['destination_name'];
$template = !empty($theme_info['Template']) ? $theme_info['Template'] : $stylesheet;
$preview_link = htmlspecialchars( add_query_arg( array('preview' => 1, 'template' => $template, 'stylesheet' => $stylesheet, 'TB_iframe' => 'true' ), trailingslashit(esc_url(get_option('home'))) ) );
$activate_link = wp_nonce_url("themes.php?action=activate&amp;template=" . urlencode($template) . "&amp;stylesheet=" . urlencode($stylesheet), 'switch-theme_' . $template);
$install_actions = array(
'preview' => '<a href="' . $preview_link . '" class="thickbox thickbox-preview" title="' . esc_attr(sprintf(__('Preview &#8220;%s&#8221;'), $name)) . '">' . __('Preview') . '</a>',
'activate' => '<a href="' . $activate_link . '" class="activatelink" title="' . esc_attr( sprintf( __('Activate &#8220;%s&#8221;'), $name ) ) . '">' . __('Activate') . '</a>'
);
if ( $this->type == 'web' )
$install_actions['themes_page'] = '<a href="' . admin_url('theme-install.php') . '" title="' . esc_attr__('Return to Theme Installer') . '" target="_parent">' . __('Return to Theme Installer') . '</a>';
else
$install_actions['themes_page'] = '<a href="' . admin_url('themes.php') . '" title="' . esc_attr__('Themes page') . '" target="_parent">' . __('Return to Themes page') . '</a>';
if ( ! $this->result || is_wp_error($this->result) )
unset( $install_actions['activate'], $install_actions['preview'] );
$install_actions = apply_filters('install_theme_complete_actions', $install_actions, $this->api, $stylesheet, $theme_info);
if ( ! empty($install_actions) )
$this->feedback('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$install_actions));
}
}
/**
* Theme Upgrader Skin for WordPress Theme Upgrades.
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Theme_Upgrader_Skin extends WP_Upgrader_Skin {
var $theme = '';
function Theme_Upgrader_Skin($args = array()) {
return $this->__construct($args);
}
function __construct($args = array()) {
$defaults = array( 'url' => '', 'theme' => '', 'nonce' => '', 'title' => __('Upgrade Theme') );
$args = wp_parse_args($args, $defaults);
$this->theme = $args['theme'];
parent::__construct($args);
}
function after() {
if ( !empty($this->upgrader->result['destination_name']) &&
($theme_info = $this->upgrader->theme_info()) &&
!empty($theme_info) ) {
$name = $theme_info['Name'];
$stylesheet = $this->upgrader->result['destination_name'];
$template = !empty($theme_info['Template']) ? $theme_info['Template'] : $stylesheet;
$preview_link = htmlspecialchars( add_query_arg( array('preview' => 1, 'template' => $template, 'stylesheet' => $stylesheet, 'TB_iframe' => 'true' ), trailingslashit(esc_url(get_option('home'))) ) );
$activate_link = wp_nonce_url("themes.php?action=activate&amp;template=" . urlencode($template) . "&amp;stylesheet=" . urlencode($stylesheet), 'switch-theme_' . $template);
$update_actions = array(
'preview' => '<a href="' . $preview_link . '" class="thickbox thickbox-preview" title="' . esc_attr(sprintf(__('Preview &#8220;%s&#8221;'), $name)) . '">' . __('Preview') . '</a>',
'activate' => '<a href="' . $activate_link . '" class="activatelink" title="' . esc_attr( sprintf( __('Activate &#8220;%s&#8221;'), $name ) ) . '">' . __('Activate') . '</a>',
);
if ( ( ! $this->result || is_wp_error($this->result) ) || $stylesheet == get_stylesheet() )
unset($update_actions['preview'], $update_actions['activate']);
}
$update_actions['themes_page'] = '<a href="' . admin_url('themes.php') . '" title="' . esc_attr__('Return to Themes page') . '" target="_parent">' . __('Return to Themes page') . '</a>';
$update_actions = apply_filters('update_theme_complete_actions', $update_actions, $this->theme);
if ( ! empty($update_actions) )
$this->feedback('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$update_actions));
}
}
/**
* Upgrade Skin helper for File uploads. This class handles the upload process and passes it as if its a local file to the Upgrade/Installer functions.
*
* @TODO More Detailed docs, for methods as well.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class File_Upload_Upgrader {
var $package;
var $filename;
function File_Upload_Upgrader($form, $urlholder) {
return $this->__construct($form, $urlholder);
}
function __construct($form, $urlholder) {
if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
wp_die($uploads['error']);
if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) )
wp_die(__('Please select a file'));
if ( !empty($_FILES) )
$this->filename = $_FILES[$form]['name'];
else if ( isset($_GET[$urlholder]) )
$this->filename = $_GET[$urlholder];
//Handle a newly uploaded file, Else assume its already been uploaded
if ( !empty($_FILES) ) {
$this->filename = wp_unique_filename( $uploads['basedir'], $this->filename );
$this->package = $uploads['basedir'] . '/' . $this->filename;
// Move the file to the uploads dir
if ( false === @ move_uploaded_file( $_FILES[$form]['tmp_name'], $this->package) )
wp_die( sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path']));
} else {
$this->package = $uploads['basedir'] . '/' . $this->filename;
}
}
}