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<?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=' . $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=' . $plugin . '&_wpnonce=' . $_GET['_wpnonce']) );
activate_plugin( $plugin, '', ! empty( $_GET['networkwide'] ), true );
wp_redirect( admin_url('update.php?action=activate-plugin&success=true&plugin=' . $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>';

if ( defined('E_RECOVERABLE_ERROR') )
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);
else
error_reporting(E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING);

@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 for 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=' . $plugin;
if ( isset($_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 for 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'), basename( $file_upload->filename ) );
$nonce = 'plugin-upload';
$url = add_query_arg(array('package' => $file_upload->filename ), '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') ) );
$upgrader->install( $file_upload->package );

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);

add_thickbox();
wp_enqueue_script('theme-preview');
$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=' . $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 for 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) ) ); //Save on a bit of bandwidth.

if ( is_wp_error($api) )
wp_die($api);

add_thickbox();
wp_enqueue_script('theme-preview');
$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=' . $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 for this site.'));

check_admin_referer('theme-upload');

$file_upload = new File_Upload_Upgrader('themezip', 'package');

$title = __('Upload Theme');
$parent_file = 'themes.php';
$submenu_file = 'theme-install.php';
add_thickbox();
wp_enqueue_script('theme-preview');
require_once(ABSPATH . 'wp-admin/admin-header.php');

$title = sprintf( __('Installing Theme from uploaded file: %s'), basename( $file_upload->filename ) );
$nonce = 'theme-upload';
$url = add_query_arg(array('package' => $file_upload->filename), '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') ) );
$upgrader->install( $file_upload->package );

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

} else {
do_action('update-custom_' . $action);
}
}
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