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…');
$this->strings['folder_exists'] = __('Destination folder already exists.');
$this->strings['mkdir_failed'] = __('Could not create directory.');
$this->strings['incompatible_archive'] = __('The package could not be installed.');
$this->strings['maintenance_start'] = __('Enabling Maintenance mode…');
$this->strings['maintenance_end'] = __('Disabling Maintenance mode…');
}
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);
if ( 'incompatible_archive' == $result->get_error_code() ) {
return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() );
}
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( 'incompatible_archive', $this->strings['incompatible_archive'], __( 'The plugin contains no files.' ) ); //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.
$source = trailingslashit($source);
//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 ( $clear_destination ) {
//We're going to clear the destination if there's something there
$this->skin->feedback('remove_old');
$removed = true;
if ( $wp_filesystem->exists($remote_destination) )
$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']);
} elseif ( $wp_filesystem->exists($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', $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;
}
$delete_package = ($download != $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();
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 Succeeded
$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 = '';
$wp_filesystem->delete($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'] = __('Update package not available.');
$this->strings['downloading_package'] = __('Downloading update from %s…');
$this->strings['unpack_package'] = __('Unpacking the update…');
$this->strings['deactivate_plugin'] = __('Deactivating the plugin…');
$this->strings['remove_old'] = __('Removing the old version of the plugin…');
$this->strings['remove_old_failed'] = __('Could not remove the old plugin.');
$this->strings['process_failed'] = __('Plugin update failed.');
$this->strings['process_success'] = __('Plugin updated successfully.');
}
function install_strings() {
$this->strings['no_package'] = __('Install package not available.');
$this->strings['downloading_package'] = __('Downloading install package from %s…');
$this->strings['unpack_package'] = __('Unpacking the package…');
$this->strings['installing_package'] = __('Installing the plugin…');
$this->strings['process_failed'] = __('Plugin install failed.');
$this->strings['process_success'] = __('Plugin installed successfully.');
}
function install($package) {
$this->init();
$this->install_strings();
add_filter('upgrader_source_selection', array(&$this, 'check_package') );
$this->run(array(
'package' => $package,
'destination' => WP_PLUGIN_DIR,
'clear_destination' => false, //Do not overwrite files.
'clear_working' => true,
'hook_extra' => array()
));
remove_filter('upgrader_source_selection', array(&$this, 'check_package') );
if ( ! $this->result || is_wp_error($this->result) )
return $this->result;
// Force refresh of plugin update information
delete_site_transient('update_plugins');
return true;
}
function upgrade($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'), //there's a trac 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' => $plugin
)
));
// Cleanup our hooks, in case something else does a upgrade on this connection.
remove_filter('upgrader_pre_install', array(&$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->skin->bulk_header();
// Only start maintenance mode if running in Multisite OR the plugin is in use
$maintenance = is_multisite(); // @TODO: This should only kick in for individual sites if at all possible.
foreach ( $plugins as $plugin )
$maintenance = $maintenance || (is_plugin_active($plugin) && isset($current->response[ $plugin ]) ); // Only activate Maintenance mode if a plugin is active AND has an update available
if ( $maintenance )
$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->bulk_footer();
$this->skin->footer();
// Cleanup our hooks, in case something else does a upgrade on this connection.
remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'));
// Force refresh of plugin update information
delete_site_transient('update_plugins');
return $results;
}
function check_package($source) {
global $wp_filesystem;
if ( is_wp_error($source) )
return $source;
$working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source);
if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, lets not prevent installation.
return $source;
// Check the folder contains at least 1 valid plugin.
$plugins_found = false;
foreach ( glob( $working_directory . '*.php' ) as $file ) {
$info = get_plugin_data($file, false, false);
if ( !empty( $info['Name'] ) ) {
$plugins_found = true;
break;
}
}
if ( ! $plugins_found )
return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __('No valid plugins were found.') );
return $source;
}
//return plugin info.
function plugin_info() {
if ( ! is_array($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 separator 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 true;
}
}
/**
* 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;
var $bulk = false;
function upgrade_strings() {
$this->strings['up_to_date'] = __('The theme is at the latest version.');
$this->strings['no_package'] = __('Update package not available.');
$this->strings['downloading_package'] = __('Downloading update from %s…');
$this->strings['unpack_package'] = __('Unpacking the update…');
$this->strings['remove_old'] = __('Removing the old version of the theme…');
$this->strings['remove_old_failed'] = __('Could not remove the old theme.');
$this->strings['process_failed'] = __('Theme update failed.');
$this->strings['process_success'] = __('Theme updated successfully.');
}
function install_strings() {
$this->strings['no_package'] = __('Install package not available.');
$this->strings['downloading_package'] = __('Downloading install package from %s…');
$this->strings['unpack_package'] = __('Unpacking the package…');
$this->strings['installing_package'] = __('Installing the theme…');
$this->strings['process_failed'] = __('Theme install failed.');
$this->strings['process_success'] = __('Theme installed successfully.');
/* translators: 1: theme name, 2: version */
$this->strings['process_success_specific'] = __('Successfully installed the theme %1$s %2$s.');
$this->strings['parent_theme_search'] = __('This theme requires a parent theme. Checking if it is installed…');
/* translators: 1: theme name, 2: version */
$this->strings['parent_theme_prepare_install'] = __('Preparing to install %1$s %2$s…');
/* translators: 1: theme name, 2: version */
$this->strings['parent_theme_currently_installed'] = __('The parent theme, %1$s %2$s, is currently installed.');
/* translators: 1: theme name, 2: version */
$this->strings['parent_theme_install_success'] = __('Successfully installed the parent theme, %1$s %2$s.');
$this->strings['parent_theme_not_found'] = __('The parent theme could not be found. You will need to install the parent theme, %s, before you can use this child theme.');
}
function check_parent_theme_filter($install_result, $hook_extra, $child_result) {
// Check to see if we need to install a parent theme
$theme_info = $this->theme_info();
if ( ! $theme_info->parent() )
return $install_result;
$this->skin->feedback( 'parent_theme_search' );
if ( ! $theme_info->parent()->errors() ) {
$this->skin->feedback( 'parent_theme_currently_installed', $theme_info->parent()->display('Name'), $theme_info->parent()->display('Version') );
// We already have the theme, fall through.
return $install_result;
}
// We don't have the parent theme, lets install it
$api = themes_api('theme_information', array('slug' => $theme_info->get('Template'), 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth.
if ( ! $api || is_wp_error($api) ) {
$this->skin->feedback( 'parent_theme_not_found', $theme_info->get('Template') );
// Don't show activate or preview actions after install
add_filter('install_theme_complete_actions', array(&$this, 'hide_activate_preview_actions') );
return $install_result;
}
// Backup required data we're going to override:
$child_api = $this->skin->api;
$child_success_message = $this->strings['process_success'];
// Override them
$this->skin->api = $api;
$this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];//, $api->name, $api->version);
$this->skin->feedback('parent_theme_prepare_install', $api->name, $api->version);
add_filter('install_theme_complete_actions', '__return_false', 999); // Don't show any actions after installing the theme.
// Install the parent theme
$parent_result = $this->run( array(
'package' => $api->download_link,
'destination' => WP_CONTENT_DIR . '/themes',
'clear_destination' => false, //Do not overwrite files.
'clear_working' => true
) );
if ( is_wp_error($parent_result) )
add_filter('install_theme_complete_actions', array(&$this, 'hide_activate_preview_actions') );
// Start cleaning up after the parents installation
remove_filter('install_theme_complete_actions', '__return_false', 999);
// Reset child's result and data
$this->result = $child_result;
$this->skin->api = $child_api;
$this->strings['process_success'] = $child_success_message;
return $install_result;
}
function hide_activate_preview_actions($actions) {
unset($actions['activate'], $actions['preview']);
return $actions;
}
function install($package) {
$this->init();
$this->install_strings();
add_filter('upgrader_source_selection', array(&$this, 'check_package') );
add_filter('upgrader_post_install', array(&$this, 'check_parent_theme_filter'), 10, 3);
$options = array(
'package' => $package,
'destination' => WP_CONTENT_DIR . '/themes',
'clear_destination' => false, //Do not overwrite files.
'clear_working' => true
);
$this->run($options);
remove_filter('upgrader_source_selection', array(&$this, 'check_package') );
remove_filter('upgrader_post_install', array(&$this, 'check_parent_theme_filter'), 10, 3);
if ( ! $this->result || is_wp_error($this->result) )
return $this->result;
// Force refresh of theme update information
delete_site_transient('update_themes');
return true;
}
function upgrade($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);
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);
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->skin->bulk_header();
// Only start maintenance mode if running in Multisite OR the theme is in use
$maintenance = is_multisite(); // @TODO: This should only kick in for individual sites if at all possible.
foreach ( $themes as $theme )
$maintenance = $maintenance || $theme == get_stylesheet() || $theme == get_template();
if ( $maintenance )
$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->bulk_footer();
$this->skin->footer();
// Cleanup our hooks, in case something else does a upgrade on this connection.
remove_filter('upgrader_pre_install', array(&$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 $results;
}
function check_package($source) {
global $wp_filesystem;
if ( is_wp_error($source) )
return $source;
// Check the folder contains a valid theme
$working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source);
if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, lets not prevent installation.
return $source;
// A proper archive should have a style.css file in the single subdirectory
if ( ! file_exists( $working_directory . 'style.css' ) )
return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __('The theme is missing the style.css stylesheet.') );
$info = get_file_data( $working_directory . 'style.css', array( 'Name' => 'Theme Name', 'Template' => 'Template' ) );
if ( empty( $info['Name'] ) )
return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __("The style.css stylesheet doesn't contain a valid theme header.") );
// If it's not a child theme, it must have at least an index.php to be legit.
if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) )
return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __('The theme is missing the index.php file.') );
return $source;
}
function current_before($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 maintenance 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:
// @TODO: Note, This doesn't handle the Template changing, or the Template name changing.
if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) {
$theme_info = $this->theme_info();
$stylesheet = $this->result['destination_name'];
$template = $theme_info->get_template();
switch_theme($template, $stylesheet, true);
}
//Time to remove maintenance 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 wp_get_theme( $theme, WP_CONTENT_DIR . '/themes/' );
}
}
/**
* Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination 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'] = __('Update package not available.');
$this->strings['downloading_package'] = __('Downloading update from %s…');
$this->strings['unpack_package'] = __('Unpacking the update…');
$this->strings['copy_failed'] = __('Could not copy files.');
}
function upgrade($current) {
global $wp_filesystem, $wp_version;
$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());
// If partial update is returned from the API, use that, unless we're doing a reinstall.
// If we cross the new_bundled version number, then use the new_bundled zip.
// Don't though if the constant is set to skip bundled items.
// If the API returns a no_content zip, go with it. Finally, default to the full zip.
if ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version )
$to_download = 'partial';
elseif ( $current->packages->new_bundled && version_compare( $wp_version, $current->new_bundled, '<' )
&& ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) )
$to_download = 'new_bundled';
elseif ( $current->packages->no_content )
$to_download = 'no_content';
else
$to_download = 'full';
$download = $this->download_package( $current->packages->$to_download );
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;
var $result = false;
function __construct($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 '';
echo screen_icon();
echo '
' . $this->options['title'] . '
';
}
function footer() {
echo '';
}
function error($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;
var $plugin_network_active = false;
function __construct($args = array()) {
$defaults = array( 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Update Plugin') );
$args = wp_parse_args($args, $defaults);
$this->plugin = $args['plugin'];
$this->plugin_active = is_plugin_active( $this->plugin );
$this->plugin_network_active = is_plugin_active_for_network( $this->plugin );
parent::__construct($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…'));
echo '';
}
$update_actions = array(
'activate_plugin' => '' . __('Activate Plugin') . '',
'plugins_page' => '' . __('Return to Plugins page') . ''
);
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) )
$this->feedback(implode(' | ', (array)$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 $error = false;
function __construct($args = array()) {
$defaults = array( 'url' => '', 'nonce' => '' );
$args = wp_parse_args($args, $defaults);
parent::__construct($args);
}
function add_strings() {
$this->upgrader->strings['skin_upgrade_start'] = __('The update process is starting. This process may take a while on some hosts, so please be patient.');
$this->upgrader->strings['skin_update_failed_error'] = __('An error occurred while updating %1$s: %2$s.');
$this->upgrader->strings['skin_update_failed'] = __('The update of %1$s failed.');
$this->upgrader->strings['skin_update_successful'] = __('%1$s updated successfully.').' '.__('Show Details').''.__('Hide Details').'.';
$this->upgrader->strings['skin_upgrade_end'] = __('All updates have been completed.');
}
function feedback($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
\n";
else
echo "$string
\n";
}
function header() {
// Nothing, This will be displayed within a iframe.
}
function footer() {
// Nothing, This will be displayed within a iframe.
}
function error($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);
}
echo '';
}
function bulk_header() {
$this->feedback('skin_upgrade_start');
}
function bulk_footer() {
$this->feedback('skin_upgrade_end');
}
function before($title = '') {
$this->in_loop = true;
printf( '' . $this->upgrader->strings['skin_before_update_header'] . '  . ')
', $title, $this->upgrader->update_current, $this->upgrader->update_count);
echo '';
echo '';
$this->flush_output();
}
function after($title = '') {
echo '
' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, $this->error) . '
' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '
' . sprintf($this->upgrader->strings['skin_update_successful'], $title, 'jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').toggle();jQuery(\'span\', this).toggle(); return false;') . '