3
* Update/Install Plugin/Theme administration panel.
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* @subpackage Administration
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if ( ! defined( 'IFRAME_REQUEST' ) && isset( $_GET['action'] ) && in_array( $_GET['action'], array( 'update-selected', 'activate-plugin', 'update-selected-themes' ) ) )
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define( 'IFRAME_REQUEST', true );
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/** WordPress Administration Bootstrap */
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require_once( dirname( __FILE__ ) . '/admin.php' );
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include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
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if ( isset($_GET['action']) ) {
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$plugin = isset($_REQUEST['plugin']) ? trim($_REQUEST['plugin']) : '';
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$theme = isset($_REQUEST['theme']) ? urldecode($_REQUEST['theme']) : '';
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$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : '';
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if ( 'update-selected' == $action ) {
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if ( ! current_user_can( 'update_plugins' ) )
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wp_die( __( 'You do not have sufficient permissions to update plugins for this site.' ) );
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check_admin_referer( 'bulk-update-plugins' );
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if ( isset( $_GET['plugins'] ) )
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$plugins = explode( ',', stripslashes($_GET['plugins']) );
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elseif ( isset( $_POST['checked'] ) )
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$plugins = (array) $_POST['checked'];
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$plugins = array_map('urldecode', $plugins);
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$url = 'update.php?action=update-selected&plugins=' . urlencode(implode(',', $plugins));
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$nonce = 'bulk-update-plugins';
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wp_enqueue_script( 'updates' );
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$upgrader = new Plugin_Upgrader( new Bulk_Plugin_Upgrader_Skin( compact( 'nonce', 'url' ) ) );
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$upgrader->bulk_upgrade( $plugins );
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} elseif ( 'upgrade-plugin' == $action ) {
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if ( ! current_user_can('update_plugins') )
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wp_die(__('You do not have sufficient permissions to update plugins for this site.'));
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check_admin_referer('upgrade-plugin_' . $plugin);
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$title = __('Update Plugin');
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$parent_file = 'plugins.php';
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$submenu_file = 'plugins.php';
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wp_enqueue_script( 'updates' );
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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$nonce = 'upgrade-plugin_' . $plugin;
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$url = 'update.php?action=upgrade-plugin&plugin=' . urlencode( $plugin );
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$upgrader = new Plugin_Upgrader( new Plugin_Upgrader_Skin( compact('title', 'nonce', 'url', 'plugin') ) );
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$upgrader->upgrade($plugin);
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include(ABSPATH . 'wp-admin/admin-footer.php');
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} elseif ('activate-plugin' == $action ) {
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if ( ! current_user_can('update_plugins') )
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wp_die(__('You do not have sufficient permissions to update plugins for this site.'));
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check_admin_referer('activate-plugin_' . $plugin);
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if ( ! isset($_GET['failure']) && ! isset($_GET['success']) ) {
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wp_redirect( admin_url('update.php?action=activate-plugin&failure=true&plugin=' . urlencode( $plugin ) . '&_wpnonce=' . $_GET['_wpnonce']) );
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activate_plugin( $plugin, '', ! empty( $_GET['networkwide'] ), true );
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wp_redirect( admin_url('update.php?action=activate-plugin&success=true&plugin=' . urlencode( $plugin ) . '&_wpnonce=' . $_GET['_wpnonce']) );
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iframe_header( __('Plugin Reactivation'), true );
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if ( isset($_GET['success']) )
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echo '<p>' . __('Plugin reactivated successfully.') . '</p>';
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if ( isset($_GET['failure']) ){
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echo '<p>' . __('Plugin failed to reactivate due to a fatal error.') . '</p>';
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error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
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@ini_set('display_errors', true); //Ensure that Fatal errors are displayed.
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wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
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include( WP_PLUGIN_DIR . '/' . $plugin );
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} elseif ( 'install-plugin' == $action ) {
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if ( ! current_user_can('install_plugins') )
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wp_die( __( 'You do not have sufficient permissions to install plugins on this site.' ) );
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include_once( ABSPATH . 'wp-admin/includes/plugin-install.php' ); //for plugins_api..
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check_admin_referer('install-plugin_' . $plugin);
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$api = plugins_api('plugin_information', array('slug' => $plugin, 'fields' => array('sections' => false) ) ); //Save on a bit of bandwidth.
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if ( is_wp_error($api) )
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$title = __('Plugin Install');
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$parent_file = 'plugins.php';
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$submenu_file = 'plugin-install.php';
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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$title = sprintf( __('Installing Plugin: %s'), $api->name . ' ' . $api->version );
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$nonce = 'install-plugin_' . $plugin;
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$url = 'update.php?action=install-plugin&plugin=' . urlencode( $plugin );
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if ( isset($_GET['from']) )
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$url .= '&from=' . urlencode(stripslashes($_GET['from']));
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$type = 'web'; //Install plugin type, From Web or an Upload.
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$upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact('title', 'url', 'nonce', 'plugin', 'api') ) );
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$upgrader->install($api->download_link);
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include(ABSPATH . 'wp-admin/admin-footer.php');
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} elseif ( 'upload-plugin' == $action ) {
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if ( ! current_user_can( 'upload_plugins' ) ) {
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wp_die( __( 'You do not have sufficient permissions to install plugins on this site.' ) );
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check_admin_referer('plugin-upload');
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$file_upload = new File_Upload_Upgrader('pluginzip', 'package');
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$title = __('Upload Plugin');
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$parent_file = 'plugins.php';
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$submenu_file = 'plugin-install.php';
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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$title = sprintf( __('Installing Plugin from uploaded file: %s'), esc_html( basename( $file_upload->filename ) ) );
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$nonce = 'plugin-upload';
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$url = add_query_arg(array('package' => $file_upload->id), 'update.php?action=upload-plugin');
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$type = 'upload'; //Install plugin type, From Web or an Upload.
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$upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact('type', 'title', 'nonce', 'url') ) );
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$result = $upgrader->install( $file_upload->package );
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if ( $result || is_wp_error($result) )
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$file_upload->cleanup();
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include(ABSPATH . 'wp-admin/admin-footer.php');
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} elseif ( 'upgrade-theme' == $action ) {
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if ( ! current_user_can('update_themes') )
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wp_die(__('You do not have sufficient permissions to update themes for this site.'));
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check_admin_referer('upgrade-theme_' . $theme);
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wp_enqueue_script( 'customize-loader' );
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wp_enqueue_script( 'updates' );
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$title = __('Update Theme');
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$parent_file = 'themes.php';
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$submenu_file = 'themes.php';
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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$nonce = 'upgrade-theme_' . $theme;
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$url = 'update.php?action=upgrade-theme&theme=' . urlencode( $theme );
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$upgrader = new Theme_Upgrader( new Theme_Upgrader_Skin( compact('title', 'nonce', 'url', 'theme') ) );
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$upgrader->upgrade($theme);
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include(ABSPATH . 'wp-admin/admin-footer.php');
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} elseif ( 'update-selected-themes' == $action ) {
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if ( ! current_user_can( 'update_themes' ) )
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wp_die( __( 'You do not have sufficient permissions to update themes for this site.' ) );
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check_admin_referer( 'bulk-update-themes' );
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if ( isset( $_GET['themes'] ) )
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$themes = explode( ',', stripslashes($_GET['themes']) );
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elseif ( isset( $_POST['checked'] ) )
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$themes = (array) $_POST['checked'];
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$themes = array_map('urldecode', $themes);
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$url = 'update.php?action=update-selected-themes&themes=' . urlencode(implode(',', $themes));
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$nonce = 'bulk-update-themes';
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wp_enqueue_script( 'updates' );
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$upgrader = new Theme_Upgrader( new Bulk_Theme_Upgrader_Skin( compact( 'nonce', 'url' ) ) );
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$upgrader->bulk_upgrade( $themes );
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} elseif ( 'install-theme' == $action ) {
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if ( ! current_user_can('install_themes') )
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wp_die( __( 'You do not have sufficient permissions to install themes on this site.' ) );
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include_once( ABSPATH . 'wp-admin/includes/theme-install.php' ); //for themes_api..
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check_admin_referer( 'install-theme_' . $theme );
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$api = themes_api('theme_information', array('slug' => $theme, 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth.
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if ( is_wp_error($api) )
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wp_enqueue_script( 'customize-loader' );
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$title = __('Install Themes');
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$parent_file = 'themes.php';
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$submenu_file = 'themes.php';
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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$title = sprintf( __('Installing Theme: %s'), $api->name . ' ' . $api->version );
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$nonce = 'install-theme_' . $theme;
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$url = 'update.php?action=install-theme&theme=' . urlencode( $theme );
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$type = 'web'; //Install theme type, From Web or an Upload.
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$upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact('title', 'url', 'nonce', 'plugin', 'api') ) );
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$upgrader->install($api->download_link);
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include(ABSPATH . 'wp-admin/admin-footer.php');
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} elseif ( 'upload-theme' == $action ) {
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if ( ! current_user_can( 'upload_themes' ) ) {
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wp_die( __( 'You do not have sufficient permissions to install themes on this site.' ) );
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check_admin_referer('theme-upload');
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$file_upload = new File_Upload_Upgrader('themezip', 'package');
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wp_enqueue_script( 'customize-loader' );
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$title = __('Upload Theme');
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$parent_file = 'themes.php';
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$submenu_file = 'theme-install.php';
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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$title = sprintf( __('Installing Theme from uploaded file: %s'), esc_html( basename( $file_upload->filename ) ) );
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$nonce = 'theme-upload';
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$url = add_query_arg(array('package' => $file_upload->id), 'update.php?action=upload-theme');
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$type = 'upload'; //Install plugin type, From Web or an Upload.
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$upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact('type', 'title', 'nonce', 'url') ) );
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$result = $upgrader->install( $file_upload->package );
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if ( $result || is_wp_error($result) )
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$file_upload->cleanup();
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include(ABSPATH . 'wp-admin/admin-footer.php');
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* Fires when a custom plugin or theme update request is received.
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* The dynamic portion of the hook name, $action, refers to the action
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* provided in the request for wp-admin/update.php. Can be used to
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* provide custom update functionality for themes and plugins.
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do_action( "update-custom_{$action}" );
added
removed
wp-admin/update.php
