<?php

/**

* Update/Install Plugin/Theme administration panel.

*

* @package WordPress

* @subpackage Administration

*/

if ( ! defined( 'IFRAME_REQUEST' ) && isset( $_GET['action'] ) && in_array( $_GET['action'], array( 'update-selected', 'activate-plugin', 'update-selected-themes' ) ) )

define( 'IFRAME_REQUEST', true );

/** WordPress Administration Bootstrap */

require_once('./admin.php');

include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

if ( isset($_GET['action']) ) {

$plugin = isset($_REQUEST['plugin']) ? trim($_REQUEST['plugin']) : '';

$theme = isset($_REQUEST['theme']) ? urldecode($_REQUEST['theme']) : '';

$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : '';

if ( 'update-selected' == $action ) {

if ( ! current_user_can( 'update_plugins' ) )

wp_die( __( 'You do not have sufficient permissions to update plugins for this site.' ) );

check_admin_referer( 'bulk-update-plugins' );

if ( isset( $_GET['plugins'] ) )

$plugins = explode( ',', stripslashes($_GET['plugins']) );

elseif ( isset( $_POST['checked'] ) )

$plugins = (array) $_POST['checked'];

else

$plugins = array();

$plugins = array_map('urldecode', $plugins);

$url = 'update.php?action=update-selected&amp;plugins=' . urlencode(implode(',', $plugins));

$nonce = 'bulk-update-plugins';

wp_enqueue_script('jquery');

iframe_header();

$upgrader = new Plugin_Upgrader( new Bulk_Plugin_Upgrader_Skin( compact( 'nonce', 'url' ) ) );

$upgrader->bulk_upgrade( $plugins );

iframe_footer();

} elseif ( 'upgrade-plugin' == $action ) {

if ( ! current_user_can('update_plugins') )

wp_die(__('You do not have sufficient permissions to update plugins for this site.'));

check_admin_referer('upgrade-plugin_' . $plugin);

$title = __('Update Plugin');

$parent_file = 'plugins.php';

$submenu_file = 'plugins.php';

require_once(ABSPATH . 'wp-admin/admin-header.php');

$nonce = 'upgrade-plugin_' . $plugin;

$url = 'update.php?action=upgrade-plugin&plugin=' . urlencode( $plugin );

$upgrader = new Plugin_Upgrader( new Plugin_Upgrader_Skin( compact('title', 'nonce', 'url', 'plugin') ) );

$upgrader->upgrade($plugin);

include(ABSPATH . 'wp-admin/admin-footer.php');

} elseif ('activate-plugin' == $action ) {

if ( ! current_user_can('update_plugins') )

wp_die(__('You do not have sufficient permissions to update plugins for this site.'));

check_admin_referer('activate-plugin_' . $plugin);

if ( ! isset($_GET['failure']) && ! isset($_GET['success']) ) {

wp_redirect( admin_url('update.php?action=activate-plugin&failure=true&plugin=' . urlencode( $plugin ) . '&_wpnonce=' . $_GET['_wpnonce']) );

activate_plugin( $plugin, '', ! empty( $_GET['networkwide'] ), true );

wp_redirect( admin_url('update.php?action=activate-plugin&success=true&plugin=' . urlencode( $plugin ) . '&_wpnonce=' . $_GET['_wpnonce']) );

die();

}

iframe_header( __('Plugin Reactivation'), true );

if ( isset($_GET['success']) )

echo '<p>' . __('Plugin reactivated successfully.') . '</p>';

if ( isset($_GET['failure']) ){

echo '<p>' . __('Plugin failed to reactivate due to a fatal error.') . '</p>';

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 );

@ini_set('display_errors', true); //Ensure that Fatal errors are displayed.

include(WP_PLUGIN_DIR . '/' . $plugin);

}

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&amp;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);

}

}