<?php
/**
* Update Plugin / Core administration panel.
*
* @package WordPress
* @subpackage Administration
*/
/** WordPress Administration Bootstrap */
require_once('admin.php');
if ( ! current_user_can('update_plugins') )
wp_die(__('You do not have sufficient permissions to update plugins for this blog.'));
/**
* Plugin upgrade display.
*
* @since 2.5
*
* @param string $plugin Plugin
*/
function do_plugin_upgrade($plugin) {
global $wp_filesystem;
$url = wp_nonce_url("update.php?action=upgrade-plugin&plugin=$plugin", "upgrade-plugin_$plugin");
if ( false === ($credentials = request_filesystem_credentials($url)) )
return;
if ( ! WP_Filesystem($credentials) ) {
$error = true;
if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() )
$error = $wp_filesystem->errors;
request_filesystem_credentials($url, '', $error); //Failed to connect, Error and request again
return;
}
echo '<div class="wrap">';
echo '<h2>' . __('Upgrade Plugin') . '</h2>';
if ( $wp_filesystem->errors->get_error_code() ) {
foreach ( $wp_filesystem->errors->get_error_messages() as $message )
show_message($message);
echo '</div>';
return;
}
$was_activated = is_plugin_active($plugin); //Check now, It'll be deactivated by the next line if it is
$result = wp_update_plugin($plugin, 'show_message');
if ( is_wp_error($result) ) {
show_message($result);
show_message( __('Plugin upgrade Failed') );
} else {
$plugin_file = $result;
show_message( __('Plugin upgraded successfully') );
if( $result && $was_activated ){
show_message(__('Attempting reactivation of the plugin'));
echo '<iframe style="border:0" width="100%" height="170px" src="' . wp_nonce_url('update.php?action=activate-plugin&plugin=' . $plugin_file, 'activate-plugin_' . $plugin_file) .'"></iframe>';
}
$update_actions = array(
'activate_plugin' => '<a href="' . wp_nonce_url('plugins.php?action=activate&plugin=' . $plugin_file, 'activate-plugin_' . $plugin_file) . '" title="' . attribute_escape(__('Activate this plugin')) . '" target="_parent">' . __('Activate Plugin') . '</a>',
'plugins_page' => '<a href="' . admin_url('plugins.php') . '" title="' . attribute_escape(__('Goto plugins page')) . '" target="_parent">' . __('Return to Plugins page') . '</a>'
);
if ( $was_activated )
unset( $update_actions['activate_plugin'] );
$update_actions = apply_filters('update_plugin_complete_actions', $update_actions, $plugin_file);
if ( ! empty($update_actions) )
show_message('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$update_actions));
}
echo '</div>';
}
/**
* Theme upgrade display.
*
* @since 2.5
*
* @param string $plugin Plugin
*/
function do_theme_upgrade($theme) {
global $wp_filesystem;
$url = wp_nonce_url('update.php?action=upgrade-theme&theme=' . urlencode($theme), 'upgrade-plugin_' . urlencode($theme));
if ( false === ($credentials = request_filesystem_credentials($url)) )
return;
if ( ! WP_Filesystem($credentials) ) {
$error = true;
if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() )
$error = $wp_filesystem->errors;
request_filesystem_credentials($url, '', $error); //Failed to connect, Error and request again
return;
}
echo '<div class="wrap">';
echo '<h2>' . __('Upgrade Theme') . '</h2>';
if ( $wp_filesystem->errors->get_error_code() ) {
foreach ( $wp_filesystem->errors->get_error_messages() as $message )
show_message($message);
echo '</div>';
return;
}
//TODO: Is theme currently active?
$was_current = false; //is_plugin_active($plugin); //Check now, It'll be deactivated by the next line if it is
$result = wp_update_theme($theme, 'show_message');
if ( is_wp_error($result) ) {
show_message($result);
show_message( __('Installation Failed') );
} else {
//Result is the new plugin file relative to WP_PLUGIN_DIR
show_message( __('Theme upgraded successfully') );
if( $result && $was_current ){
show_message(__('Setting theme as Current'));
//TODO: Actually set it as active again.
//echo '<iframe style="border:0" width="100%" height="170px" src="' . wp_nonce_url('update.php?action=activate-plugin&plugin=' . $result, 'activate-plugin_' . $result) .'"></iframe>';
}
}
echo '</div>';
}
/**
* Display upgrade WordPress for downloading latest or upgrading automatically form.
*
* @since 2.7
*
* @return null
*/
function core_upgrade_preamble() {
$update = get_option('update_core');
echo '<div class="wrap">';
echo '<h2>' . __('Upgrade WordPress') . '</h2>';
if ( !isset($update->response) || 'latest' == $update->response ) {
_e('You have the latest version of WordPress. You do not need to upgrade.');
echo '</div>';
return;
}
echo '<p>';
_e('A new version of WordPress is available for upgrade. Before upgrading, please backup your blog. Pressing the Backup button below will create a backup of your blog and prompt you to save that backup to your computer. This sometimes takes a few minutes, so please be patient. After the backup finishes, continue below to upgrade your blog automatically or manually.');
echo '</p>';
echo '<p><a class="button" href="export.php?download=true">' . __('Backup') . '</a></p>';
if ( 'development' == $update->response ) {
$message = __('You are using a development version of WordPress. You can upgrade to the latest nightly build automatically or download the nightly build and install it manually. Which would you like to do?');
$submit = __('Download nightly build');
} else {
$message = sprintf(__('You can upgrade to version %s automatically or download the package and install it manually. Which would you like to do?'), $update->current);
$submit = sprintf(__('Download %s'), $update->current);
}
echo '<p>';
echo $message;
echo '</p>';
echo '<form id="post" method="post" action="update.php?action=do-core-upgrade" name="upgrade">';
wp_nonce_field('upgrade-core');
echo '<p>';
echo '<input id="upgrade" class="button" type="submit" value="' . __('Upgrade Automatically') . '" name="upgrade" />';
echo '<a href="' . $update->package . '" class="button">' . $submit . '</a>';
echo '</p>';
echo '</form>';
echo '</div>';
}
/**
* Upgrade WordPress core display.
*
* @since 2.7
*
* @return null
*/
function do_core_upgrade() {
global $wp_filesystem;
$url = wp_nonce_url('update.php?action=do-core-upgrade', 'upgrade-core');
if ( false === ($credentials = request_filesystem_credentials($url)) )
return;
if ( ! WP_Filesystem($credentials) ) {
request_filesystem_credentials($url, '', true); //Failed to connect, Error and request again
return;
}
echo '<div class="wrap">';
echo '<h2>' . __('Upgrade WordPress') . '</h2>';
if ( $wp_filesystem->errors->get_error_code() ) {
foreach ( $wp_filesystem->errors->get_error_messages() as $message )
show_message($message);
echo '</div>';
return;
}
$result = wp_update_core('show_message');
if ( is_wp_error($result) ) {
show_message($result);
if ('up_to_date' != $result->get_error_code() )
show_message( __('Installation Failed') );
} else {
show_message( __('WordPress upgraded successfully') );
}
echo '</div>';
}
if ( isset($_GET['action']) ) {
$plugin = isset($_GET['plugin']) ? trim($_GET['plugin']) : '';
$theme = isset($_REQUEST['theme']) ? urldecode($_REQUEST['theme']) : '';
$action = isset($_GET['action']) ? $_GET['action'] : '';
if ( 'upgrade-plugin' == $action ) {
check_admin_referer('upgrade-plugin_' . $plugin);
$title = __('Upgrade Plugin');
$parent_file = 'index.php';
require_once('admin-header.php');
do_plugin_upgrade($plugin);
include('admin-footer.php');
} elseif ('activate-plugin' == $action ) {
check_admin_referer('activate-plugin_' . $plugin);
if( ! isset($_GET['failure']) && ! isset($_GET['success']) ) {
wp_redirect( 'update.php?action=activate-plugin&failure=true&plugin=' . $plugin . '&_wpnonce=' . $_GET['_wpnonce'] );
activate_plugin($plugin);
wp_redirect( '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>';
error_reporting( E_ALL ^ E_NOTICE );
@ini_set('display_errors', true); //Ensure that Fatal errors are displayed.
include(WP_PLUGIN_DIR . '/' . $plugin);
}
iframe_footer();
} elseif ( 'upgrade-core' == $action ) {
$title = __('Upgrade WordPress');
$parent_file = 'index.php';
require_once('admin-header.php');
core_upgrade_preamble();
include('admin-footer.php');
} elseif ( 'do-core-upgrade' == $action ) {
check_admin_referer('upgrade-core');
$title = __('Upgrade WordPress');
$parent_file = 'index.php';
require_once('admin-header.php');
do_core_upgrade();
include('admin-footer.php');
} elseif ( 'upgrade-theme' == $action ) {
check_admin_referer('upgrade-theme_' . $theme);
$title = __('Upgrade Theme');
$parent_file = 'themes.php';
require_once('admin-header.php');
do_theme_upgrade($theme);
include('admin-footer.php');
}
}
?>