+ iframe_footer();
+ } elseif ( 'install-plugin' == $action ) {
+
+ if ( ! current_user_can('install_plugins') )
+ wp_die( __( 'You do not have sufficient permissions to install plugins on this site.' ) );
+
+ include_once ABSPATH . 'wp-admin/includes/plugin-install.php'; //for plugins_api..
+
+ check_admin_referer('install-plugin_' . $plugin);
+ $api = plugins_api('plugin_information', array('slug' => $plugin, 'fields' => array('sections' => false) ) ); //Save on a bit of bandwidth.
+
+ if ( is_wp_error($api) )
+ wp_die($api);
+
+ $title = __('Plugin Install');
+ $parent_file = 'plugins.php';
+ $submenu_file = 'plugin-install.php';
+ require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+ $title = sprintf( __('Installing Plugin: %s'), $api->name . ' ' . $api->version );
+ $nonce = 'install-plugin_' . $plugin;
+ $url = 'update.php?action=install-plugin&plugin=' . urlencode( $plugin );
+ if ( isset($_GET['from']) )
+ $url .= '&from=' . urlencode(stripslashes($_GET['from']));
+
+ $type = 'web'; //Install plugin type, From Web or an Upload.
+
+ $upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact('title', 'url', 'nonce', 'plugin', 'api') ) );
+ $upgrader->install($api->download_link);
+
+ include(ABSPATH . 'wp-admin/admin-footer.php');
+
+ } elseif ( 'upload-plugin' == $action ) {
+
+ if ( ! current_user_can('install_plugins') )
+ wp_die( __( 'You do not have sufficient permissions to install plugins on this site.' ) );
+
+ check_admin_referer('plugin-upload');
+
+ $file_upload = new File_Upload_Upgrader('pluginzip', 'package');
+
+ $title = __('Upload Plugin');
+ $parent_file = 'plugins.php';
+ $submenu_file = 'plugin-install.php';
+ require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+ $title = sprintf( __('Installing Plugin from uploaded file: %s'), esc_html( basename( $file_upload->filename ) ) );
+ $nonce = 'plugin-upload';
+ $url = add_query_arg(array('package' => $file_upload->id), 'update.php?action=upload-plugin');
+ $type = 'upload'; //Install plugin type, From Web or an Upload.
+
+ $upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact('type', 'title', 'nonce', 'url') ) );
+ $result = $upgrader->install( $file_upload->package );
+
+ if ( $result || is_wp_error($result) )
+ $file_upload->cleanup();
+
+ include(ABSPATH . 'wp-admin/admin-footer.php');
+
+ } elseif ( 'upgrade-theme' == $action ) {
+
+ if ( ! current_user_can('update_themes') )
+ wp_die(__('You do not have sufficient permissions to update themes for this site.'));
+
+ check_admin_referer('upgrade-theme_' . $theme);
+
+ wp_enqueue_script( 'customize-loader' );
+
+ $title = __('Update Theme');
+ $parent_file = 'themes.php';
+ $submenu_file = 'themes.php';
+ require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+ $nonce = 'upgrade-theme_' . $theme;
+ $url = 'update.php?action=upgrade-theme&theme=' . urlencode( $theme );
+
+ $upgrader = new Theme_Upgrader( new Theme_Upgrader_Skin( compact('title', 'nonce', 'url', 'theme') ) );
+ $upgrader->upgrade($theme);
+
+ include(ABSPATH . 'wp-admin/admin-footer.php');
+ } elseif ( 'update-selected-themes' == $action ) {
+ if ( ! current_user_can( 'update_themes' ) )
+ wp_die( __( 'You do not have sufficient permissions to update themes for this site.' ) );
+
+ check_admin_referer( 'bulk-update-themes' );
+
+ if ( isset( $_GET['themes'] ) )
+ $themes = explode( ',', stripslashes($_GET['themes']) );
+ elseif ( isset( $_POST['checked'] ) )
+ $themes = (array) $_POST['checked'];
+ else
+ $themes = array();
+
+ $themes = array_map('urldecode', $themes);
+
+ $url = 'update.php?action=update-selected-themes&themes=' . urlencode(implode(',', $themes));
+ $nonce = 'bulk-update-themes';
+
+ wp_enqueue_script('jquery');
+ iframe_header();
+
+ $upgrader = new Theme_Upgrader( new Bulk_Theme_Upgrader_Skin( compact( 'nonce', 'url' ) ) );
+ $upgrader->bulk_upgrade( $themes );
+
+ iframe_footer();
+ } elseif ( 'install-theme' == $action ) {
+
+ if ( ! current_user_can('install_themes') )
+ wp_die( __( 'You do not have sufficient permissions to install themes on this site.' ) );
+
+ include_once ABSPATH . 'wp-admin/includes/theme-install.php'; //for themes_api..
+
+ check_admin_referer('install-theme_' . $theme);
+ $api = themes_api('theme_information', array('slug' => $theme, 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth.
+
+ if ( is_wp_error($api) )
+ wp_die($api);
+
+ wp_enqueue_script( 'customize-loader' );
+
+ $title = __('Install Themes');
+ $parent_file = 'themes.php';
+ $submenu_file = 'themes.php';
+ require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+ $title = sprintf( __('Installing Theme: %s'), $api->name . ' ' . $api->version );
+ $nonce = 'install-theme_' . $theme;
+ $url = 'update.php?action=install-theme&theme=' . urlencode( $theme );
+ $type = 'web'; //Install theme type, From Web or an Upload.
+
+ $upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact('title', 'url', 'nonce', 'plugin', 'api') ) );
+ $upgrader->install($api->download_link);
+
+ include(ABSPATH . 'wp-admin/admin-footer.php');
+
+ } elseif ( 'upload-theme' == $action ) {
+
+ if ( ! current_user_can('install_themes') )
+ wp_die( __( 'You do not have sufficient permissions to install themes on this site.' ) );
+
+ check_admin_referer('theme-upload');
+
+ $file_upload = new File_Upload_Upgrader('themezip', 'package');
+
+ wp_enqueue_script( 'customize-loader' );
+
+ $title = __('Upload Theme');
+ $parent_file = 'themes.php';
+ $submenu_file = 'theme-install.php';
+
+ require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+ $title = sprintf( __('Installing Theme from uploaded file: %s'), esc_html( basename( $file_upload->filename ) ) );
+ $nonce = 'theme-upload';
+ $url = add_query_arg(array('package' => $file_upload->id), 'update.php?action=upload-theme');
+ $type = 'upload'; //Install plugin type, From Web or an Upload.
+
+ $upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact('type', 'title', 'nonce', 'url') ) );
+ $result = $upgrader->install( $file_upload->package );
+
+ if ( $result || is_wp_error($result) )
+ $file_upload->cleanup();
+
+ include(ABSPATH . 'wp-admin/admin-footer.php');
+
+ } else {
+ do_action('update-custom_' . $action);