WordPress/wp-admin/includes/class-wp-upgrader-skins.php

700 lines
25 KiB
PHP

<?php
/**
* The User Interface "Skins" for the WordPress File Upgrader
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
/**
* Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class WP_Upgrader_Skin {
var $upgrader;
var $done_header = false;
var $result = false;
function __construct($args = array()) {
$defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false );
$this->options = wp_parse_args($args, $defaults);
}
function set_upgrader(&$upgrader) {
if ( is_object($upgrader) )
$this->upgrader =& $upgrader;
$this->add_strings();
}
function add_strings() {
}
function set_result($result) {
$this->result = $result;
}
function request_filesystem_credentials($error = false) {
$url = $this->options['url'];
$context = $this->options['context'];
if ( !empty($this->options['nonce']) )
$url = wp_nonce_url($url, $this->options['nonce']);
return request_filesystem_credentials($url, '', $error, $context); //Possible to bring inline, Leaving as is for now.
}
function header() {
if ( $this->done_header )
return;
$this->done_header = true;
echo '<div class="wrap">';
echo '<h2>' . $this->options['title'] . '</h2>';
}
function footer() {
echo '</div>';
}
function error($errors) {
if ( ! $this->done_header )
$this->header();
if ( is_string($errors) ) {
$this->feedback($errors);
} elseif ( is_wp_error($errors) && $errors->get_error_code() ) {
foreach ( $errors->get_error_messages() as $message ) {
if ( $errors->get_error_data() && is_string( $errors->get_error_data() ) )
$this->feedback($message . ' ' . esc_html( strip_tags( $errors->get_error_data() ) ) );
else
$this->feedback($message);
}
}
}
function feedback($string) {
if ( isset( $this->upgrader->strings[$string] ) )
$string = $this->upgrader->strings[$string];
if ( strpos($string, '%') !== false ) {
$args = func_get_args();
$args = array_splice($args, 1);
if ( $args ) {
$args = array_map( 'strip_tags', $args );
$args = array_map( 'esc_html', $args );
$string = vsprintf($string, $args);
}
}
if ( empty($string) )
return;
show_message($string);
}
function before() {}
function after() {}
/**
* Output JavaScript that calls function to decrement the update counts.
*
* @since 3.9.0
*
* @param string $type Type of update count to decrement. Likely values include 'plugin',
* 'theme', 'translation', etc.
*/
protected function decrement_update_count( $type ) {
if ( ! $this->result || is_wp_error( $this->result ) || 'up_to_date' === $this->result ) {
return;
}
echo '<script type="text/javascript">
(function( wp ) {
if ( wp && wp.updates.decrementCount ) {
wp.updates.decrementCount( "' . $type . '" );
}
})( window.wp );
</script>';
}
}
/**
* Plugin Upgrader Skin for WordPress Plugin Upgrades.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Plugin_Upgrader_Skin extends WP_Upgrader_Skin {
var $plugin = '';
var $plugin_active = false;
var $plugin_network_active = false;
function __construct($args = array()) {
$defaults = array( 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Update Plugin') );
$args = wp_parse_args($args, $defaults);
$this->plugin = $args['plugin'];
$this->plugin_active = is_plugin_active( $this->plugin );
$this->plugin_network_active = is_plugin_active_for_network( $this->plugin );
parent::__construct($args);
}
function after() {
$this->plugin = $this->upgrader->plugin_info();
if ( !empty($this->plugin) && !is_wp_error($this->result) && $this->plugin_active ){
echo '<iframe style="border:0;overflow:hidden" width="100%" height="170px" src="' . wp_nonce_url('update.php?action=activate-plugin&networkwide=' . $this->plugin_network_active . '&plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin) .'"></iframe>';
}
$this->decrement_update_count( 'plugin' );
$update_actions = array(
'activate_plugin' => '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin) . '" title="' . esc_attr__('Activate this plugin') . '" target="_parent">' . __('Activate Plugin') . '</a>',
'plugins_page' => '<a href="' . self_admin_url('plugins.php') . '" title="' . esc_attr__('Go to plugins page') . '" target="_parent">' . __('Return to Plugins page') . '</a>'
);
if ( $this->plugin_active || ! $this->result || is_wp_error( $this->result ) || ! current_user_can( 'activate_plugins' ) )
unset( $update_actions['activate_plugin'] );
$update_actions = apply_filters('update_plugin_complete_actions', $update_actions, $this->plugin);
if ( ! empty($update_actions) )
$this->feedback(implode(' | ', (array)$update_actions));
}
}
/**
* Plugin Upgrader Skin for WordPress Plugin Upgrades.
*
* @package WordPress
* @subpackage Upgrader
* @since 3.0.0
*/
class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
var $in_loop = false;
var $error = false;
function __construct($args = array()) {
$defaults = array( 'url' => '', 'nonce' => '' );
$args = wp_parse_args($args, $defaults);
parent::__construct($args);
}
function add_strings() {
$this->upgrader->strings['skin_upgrade_start'] = __('The update process is starting. This process may take a while on some hosts, so please be patient.');
$this->upgrader->strings['skin_update_failed_error'] = __('An error occurred while updating %1$s: <strong>%2$s</strong>');
$this->upgrader->strings['skin_update_failed'] = __('The update of %1$s failed.');
$this->upgrader->strings['skin_update_successful'] = __('%1$s updated successfully.').' <a onclick="%2$s" href="#" class="hide-if-no-js"><span>'.__('Show Details').'</span><span class="hidden">'.__('Hide Details').'</span>.</a>';
$this->upgrader->strings['skin_upgrade_end'] = __('All updates have been completed.');
}
function feedback($string) {
if ( isset( $this->upgrader->strings[$string] ) )
$string = $this->upgrader->strings[$string];
if ( strpos($string, '%') !== false ) {
$args = func_get_args();
$args = array_splice($args, 1);
if ( $args ) {
$args = array_map( 'strip_tags', $args );
$args = array_map( 'esc_html', $args );
$string = vsprintf($string, $args);
}
}
if ( empty($string) )
return;
if ( $this->in_loop )
echo "$string<br />\n";
else
echo "<p>$string</p>\n";
}
function header() {
// Nothing, This will be displayed within a iframe.
}
function footer() {
// Nothing, This will be displayed within a iframe.
}
function error($error) {
if ( is_string($error) && isset( $this->upgrader->strings[$error] ) )
$this->error = $this->upgrader->strings[$error];
if ( is_wp_error($error) ) {
foreach ( $error->get_error_messages() as $emessage ) {
if ( $error->get_error_data() && is_string( $error->get_error_data() ) )
$messages[] = $emessage . ' ' . esc_html( strip_tags( $error->get_error_data() ) );
else
$messages[] = $emessage;
}
$this->error = implode(', ', $messages);
}
echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
}
function bulk_header() {
$this->feedback('skin_upgrade_start');
}
function bulk_footer() {
$this->feedback('skin_upgrade_end');
}
function before($title = '') {
$this->in_loop = true;
printf( '<h4>' . $this->upgrader->strings['skin_before_update_header'] . ' <span class="spinner waiting-' . $this->upgrader->update_current . '"></span></h4>', $title, $this->upgrader->update_current, $this->upgrader->update_count);
echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').css("display", "inline-block");</script>';
echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr($this->upgrader->update_current) . '"><p>';
$this->flush_output();
}
function after($title = '') {
echo '</p></div>';
if ( $this->error || ! $this->result ) {
if ( $this->error )
echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, $this->error) . '</p></div>';
else
echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '</p></div>';
echo '<script type="text/javascript">jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').show();</script>';
}
if ( $this->result && ! is_wp_error( $this->result ) ) {
if ( ! $this->error )
echo '<div class="updated"><p>' . sprintf($this->upgrader->strings['skin_update_successful'], $title, 'jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').toggle();jQuery(\'span\', this).toggle(); return false;') . '</p></div>';
echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
}
$this->reset();
$this->flush_output();
}
function reset() {
$this->in_loop = false;
$this->error = false;
}
function flush_output() {
wp_ob_end_flush_all();
flush();
}
/**
* Output JavaScript that sends message to parent window to decrement the update counts.
*
* @since 3.9.0
*
* @param string $type Type of update count to decrement. Likely values include 'plugin',
* 'theme', 'translation', etc.
*/
protected function decrement_update_count( $type ) {
if ( ! $this->result || is_wp_error( $this->result ) || 'up_to_date' === $this->result ) {
return;
}
echo '<script type="text/javascript">
if ( window.postMessage && JSON ) {
window.parent.postMessage( JSON.stringify( { action: "decrementUpdateCount", upgradeType: "' . $type . '" } ), window.location.protocol + "//" + window.location.hostname );
}
</script>';
}
}
class Bulk_Plugin_Upgrader_Skin extends Bulk_Upgrader_Skin {
var $plugin_info = array(); // Plugin_Upgrader::bulk() will fill this in.
function __construct($args = array()) {
parent::__construct($args);
}
function add_strings() {
parent::add_strings();
$this->upgrader->strings['skin_before_update_header'] = __('Updating Plugin %1$s (%2$d/%3$d)');
}
function before($title = '') {
parent::before($this->plugin_info['Title']);
}
function after($title = '') {
parent::after($this->plugin_info['Title']);
$this->decrement_update_count( 'plugin' );
}
function bulk_footer() {
parent::bulk_footer();
$update_actions = array(
'plugins_page' => '<a href="' . self_admin_url('plugins.php') . '" title="' . esc_attr__('Go to plugins page') . '" target="_parent">' . __('Return to Plugins page') . '</a>',
'updates_page' => '<a href="' . self_admin_url('update-core.php') . '" title="' . esc_attr__('Go to WordPress Updates page') . '" target="_parent">' . __('Return to WordPress Updates') . '</a>'
);
if ( ! current_user_can( 'activate_plugins' ) )
unset( $update_actions['plugins_page'] );
$update_actions = apply_filters('update_bulk_plugins_complete_actions', $update_actions, $this->plugin_info);
if ( ! empty($update_actions) )
$this->feedback(implode(' | ', (array)$update_actions));
}
}
class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin {
var $theme_info = array(); // Theme_Upgrader::bulk() will fill this in.
function __construct($args = array()) {
parent::__construct($args);
}
function add_strings() {
parent::add_strings();
$this->upgrader->strings['skin_before_update_header'] = __('Updating Theme %1$s (%2$d/%3$d)');
}
function before($title = '') {
parent::before( $this->theme_info->display('Name') );
}
function after($title = '') {
parent::after( $this->theme_info->display('Name') );
$this->decrement_update_count( 'theme' );
}
function bulk_footer() {
parent::bulk_footer();
$update_actions = array(
'themes_page' => '<a href="' . self_admin_url('themes.php') . '" title="' . esc_attr__('Go to themes page') . '" target="_parent">' . __('Return to Themes page') . '</a>',
'updates_page' => '<a href="' . self_admin_url('update-core.php') . '" title="' . esc_attr__('Go to WordPress Updates page') . '" target="_parent">' . __('Return to WordPress Updates') . '</a>'
);
if ( ! current_user_can( 'switch_themes' ) && ! current_user_can( 'edit_theme_options' ) )
unset( $update_actions['themes_page'] );
$update_actions = apply_filters('update_bulk_theme_complete_actions', $update_actions, $this->theme_info );
if ( ! empty($update_actions) )
$this->feedback(implode(' | ', (array)$update_actions));
}
}
/**
* Plugin Installer Skin for WordPress Plugin Installer.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Plugin_Installer_Skin extends WP_Upgrader_Skin {
var $api;
var $type;
function __construct($args = array()) {
$defaults = array( 'type' => 'web', 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => '' );
$args = wp_parse_args($args, $defaults);
$this->type = $args['type'];
$this->api = isset($args['api']) ? $args['api'] : array();
parent::__construct($args);
}
function before() {
if ( !empty($this->api) )
$this->upgrader->strings['process_success'] = sprintf( __('Successfully installed the plugin <strong>%s %s</strong>.'), $this->api->name, $this->api->version);
}
function after() {
$plugin_file = $this->upgrader->plugin_info();
$install_actions = array();
$from = isset($_GET['from']) ? wp_unslash( $_GET['from'] ) : 'plugins';
if ( 'import' == $from )
$install_actions['activate_plugin'] = '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;from=import&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file) . '" title="' . esc_attr__('Activate this plugin') . '" target="_parent">' . __('Activate Plugin &amp; Run Importer') . '</a>';
else
$install_actions['activate_plugin'] = '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file) . '" title="' . esc_attr__('Activate this plugin') . '" target="_parent">' . __('Activate Plugin') . '</a>';
if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) {
$install_actions['network_activate'] = '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;networkwide=1&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file) . '" title="' . esc_attr__('Activate this plugin for all sites in this network') . '" target="_parent">' . __('Network Activate') . '</a>';
unset( $install_actions['activate_plugin'] );
}
if ( 'import' == $from )
$install_actions['importers_page'] = '<a href="' . admin_url('import.php') . '" title="' . esc_attr__('Return to Importers') . '" target="_parent">' . __('Return to Importers') . '</a>';
else if ( $this->type == 'web' )
$install_actions['plugins_page'] = '<a href="' . self_admin_url('plugin-install.php') . '" title="' . esc_attr__('Return to Plugin Installer') . '" target="_parent">' . __('Return to Plugin Installer') . '</a>';
else
$install_actions['plugins_page'] = '<a href="' . self_admin_url('plugins.php') . '" title="' . esc_attr__('Return to Plugins page') . '" target="_parent">' . __('Return to Plugins page') . '</a>';
if ( ! $this->result || is_wp_error($this->result) ) {
unset( $install_actions['activate_plugin'], $install_actions['network_activate'] );
} elseif ( ! current_user_can( 'activate_plugins' ) ) {
unset( $install_actions['activate_plugin'] );
}
$install_actions = apply_filters('install_plugin_complete_actions', $install_actions, $this->api, $plugin_file);
if ( ! empty($install_actions) )
$this->feedback(implode(' | ', (array)$install_actions));
}
}
/**
* Theme Installer Skin for the WordPress Theme Installer.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Theme_Installer_Skin extends WP_Upgrader_Skin {
var $api;
var $type;
function __construct($args = array()) {
$defaults = array( 'type' => 'web', 'url' => '', 'theme' => '', 'nonce' => '', 'title' => '' );
$args = wp_parse_args($args, $defaults);
$this->type = $args['type'];
$this->api = isset($args['api']) ? $args['api'] : array();
parent::__construct($args);
}
function before() {
if ( !empty($this->api) )
$this->upgrader->strings['process_success'] = sprintf( $this->upgrader->strings['process_success_specific'], $this->api->name, $this->api->version);
}
function after() {
if ( empty($this->upgrader->result['destination_name']) )
return;
$theme_info = $this->upgrader->theme_info();
if ( empty( $theme_info ) )
return;
$name = $theme_info->display('Name');
$stylesheet = $this->upgrader->result['destination_name'];
$template = $theme_info->get_template();
$preview_link = add_query_arg( array(
'preview' => 1,
'template' => urlencode( $template ),
'stylesheet' => urlencode( $stylesheet ),
), trailingslashit( home_url() ) );
$activate_link = add_query_arg( array(
'action' => 'activate',
'template' => urlencode( $template ),
'stylesheet' => urlencode( $stylesheet ),
), admin_url('themes.php') );
$activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );
$install_actions = array();
$install_actions['preview'] = '<a href="' . esc_url( $preview_link ) . '" class="hide-if-customize" title="' . esc_attr( sprintf( __('Preview &#8220;%s&#8221;'), $name ) ) . '">' . __('Preview') . '</a>';
$install_actions['preview'] .= '<a href="' . wp_customize_url( $stylesheet ) . '" class="hide-if-no-customize load-customize" title="' . esc_attr( sprintf( __('Preview &#8220;%s&#8221;'), $name ) ) . '">' . __('Live Preview') . '</a>';
$install_actions['activate'] = '<a href="' . esc_url( $activate_link ) . '" class="activatelink" title="' . esc_attr( sprintf( __('Activate &#8220;%s&#8221;'), $name ) ) . '">' . __('Activate') . '</a>';
if ( is_network_admin() && current_user_can( 'manage_network_themes' ) )
$install_actions['network_enable'] = '<a href="' . esc_url( wp_nonce_url( 'themes.php?action=enable&amp;theme=' . urlencode( $stylesheet ), 'enable-theme_' . $stylesheet ) ) . '" title="' . esc_attr__( 'Enable this theme for all sites in this network' ) . '" target="_parent">' . __( 'Network Enable' ) . '</a>';
if ( $this->type == 'web' )
$install_actions['themes_page'] = '<a href="' . self_admin_url('theme-install.php') . '" title="' . esc_attr__('Return to Theme Installer') . '" target="_parent">' . __('Return to Theme Installer') . '</a>';
elseif ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) )
$install_actions['themes_page'] = '<a href="' . self_admin_url('themes.php') . '" title="' . esc_attr__('Themes page') . '" target="_parent">' . __('Return to Themes page') . '</a>';
if ( ! $this->result || is_wp_error($this->result) || is_network_admin() || ! current_user_can( 'switch_themes' ) )
unset( $install_actions['activate'], $install_actions['preview'] );
$install_actions = apply_filters('install_theme_complete_actions', $install_actions, $this->api, $stylesheet, $theme_info);
if ( ! empty($install_actions) )
$this->feedback(implode(' | ', (array)$install_actions));
}
}
/**
* Theme Upgrader Skin for WordPress Theme Upgrades.
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Theme_Upgrader_Skin extends WP_Upgrader_Skin {
var $theme = '';
function __construct($args = array()) {
$defaults = array( 'url' => '', 'theme' => '', 'nonce' => '', 'title' => __('Update Theme') );
$args = wp_parse_args($args, $defaults);
$this->theme = $args['theme'];
parent::__construct($args);
}
function after() {
$this->decrement_update_count( 'theme' );
$update_actions = array();
if ( ! empty( $this->upgrader->result['destination_name'] ) && $theme_info = $this->upgrader->theme_info() ) {
$name = $theme_info->display('Name');
$stylesheet = $this->upgrader->result['destination_name'];
$template = $theme_info->get_template();
$preview_link = add_query_arg( array(
'preview' => 1,
'template' => urlencode( $template ),
'stylesheet' => urlencode( $stylesheet ),
), trailingslashit( home_url() ) );
$activate_link = add_query_arg( array(
'action' => 'activate',
'template' => urlencode( $template ),
'stylesheet' => urlencode( $stylesheet ),
), admin_url('themes.php') );
$activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );
if ( get_stylesheet() == $stylesheet ) {
if ( current_user_can( 'edit_theme_options' ) )
$update_actions['preview'] = '<a href="' . wp_customize_url( $stylesheet ) . '" class="hide-if-no-customize load-customize" title="' . esc_attr( sprintf( __('Customize &#8220;%s&#8221;'), $name ) ) . '">' . __('Customize') . '</a>';
} elseif ( current_user_can( 'switch_themes' ) ) {
$update_actions['preview'] = '<a href="' . esc_url( $preview_link ) . '" class="hide-if-customize" title="' . esc_attr( sprintf( __('Preview &#8220;%s&#8221;'), $name ) ) . '">' . __('Preview') . '</a>';
$update_actions['preview'] .= '<a href="' . wp_customize_url( $stylesheet ) . '" class="hide-if-no-customize load-customize" title="' . esc_attr( sprintf( __('Preview &#8220;%s&#8221;'), $name ) ) . '">' . __('Live Preview') . '</a>';
$update_actions['activate'] = '<a href="' . esc_url( $activate_link ) . '" class="activatelink" title="' . esc_attr( sprintf( __('Activate &#8220;%s&#8221;'), $name ) ) . '">' . __('Activate') . '</a>';
}
if ( ! $this->result || is_wp_error( $this->result ) || is_network_admin() )
unset( $update_actions['preview'], $update_actions['activate'] );
}
$update_actions['themes_page'] = '<a href="' . self_admin_url('themes.php') . '" title="' . esc_attr__('Return to Themes page') . '" target="_parent">' . __('Return to Themes page') . '</a>';
$update_actions = apply_filters('update_theme_complete_actions', $update_actions, $this->theme);
if ( ! empty($update_actions) )
$this->feedback(implode(' | ', (array)$update_actions));
}
}
/**
* Translation Upgrader Skin for WordPress Translation Upgrades.
*
* @package WordPress
* @subpackage Upgrader
* @since 3.7.0
*/
class Language_Pack_Upgrader_Skin extends WP_Upgrader_Skin {
var $language_update = null;
var $done_header = false;
var $display_footer_actions = true;
function __construct( $args = array() ) {
$defaults = array( 'url' => '', 'nonce' => '', 'title' => __( 'Update Translations' ), 'skip_header_footer' => false );
$args = wp_parse_args( $args, $defaults );
if ( $args['skip_header_footer'] ) {
$this->done_header = true;
$this->display_footer_actions = false;
}
parent::__construct( $args );
}
function before() {
$name = $this->upgrader->get_name_for_update( $this->language_update );
echo '<div class="update-messages lp-show-latest">';
printf( '<h4>' . __( 'Updating translations for %1$s (%2$s)&#8230;' ) . '</h4>', $name, $this->language_update->language );
}
function error( $error ) {
echo '<div class="lp-error">';
parent::error( $error );
echo '</div>';
}
function after() {
echo '</div>';
}
function bulk_footer() {
$this->decrement_update_count( 'translation' );
$update_actions = array();
$update_actions['updates_page'] = '<a href="' . self_admin_url( 'update-core.php' ) . '" title="' . esc_attr__( 'Go to WordPress Updates page' ) . '" target="_parent">' . __( 'Return to WordPress Updates' ) . '</a>';
$update_actions = apply_filters( 'update_translations_complete_actions', $update_actions );
if ( $update_actions && $this->display_footer_actions )
$this->feedback( implode( ' | ', $update_actions ) );
parent::footer();
}
}
/**
* Upgrader Skin for Automatic WordPress Upgrades
*
* This skin is designed to be used when no output is intended, all output
* is captured and stored for the caller to process and log/email/discard.
*
* @package WordPress
* @subpackage Upgrader
* @since 3.7.0
*/
class Automatic_Upgrader_Skin extends WP_Upgrader_Skin {
protected $messages = array();
function request_filesystem_credentials( $error = false, $context = '' ) {
if ( $context )
$this->options['context'] = $context;
// TODO: fix up request_filesystem_credentials(), or split it, to allow us to request a no-output version
// This will output a credentials form in event of failure, We don't want that, so just hide with a buffer
ob_start();
$result = parent::request_filesystem_credentials( $error );
ob_end_clean();
return $result;
}
function get_upgrade_messages() {
return $this->messages;
}
function feedback( $data ) {
if ( is_wp_error( $data ) )
$string = $data->get_error_message();
else if ( is_array( $data ) )
return;
else
$string = $data;
if ( ! empty( $this->upgrader->strings[ $string ] ) )
$string = $this->upgrader->strings[ $string ];
if ( strpos( $string, '%' ) !== false ) {
$args = func_get_args();
$args = array_splice( $args, 1 );
if ( ! empty( $args ) )
$string = vsprintf( $string, $args );
}
$string = trim( $string );
// Only allow basic HTML in the messages, as it'll be used in emails/logs rather than direct browser output.
$string = wp_kses( $string, array(
'a' => array(
'href' => true
),
'br' => true,
'em' => true,
'strong' => true,
) );
if ( empty( $string ) )
return;
$this->messages[] = $string;
}
function header() {
ob_start();
}
function footer() {
$output = ob_get_contents();
if ( ! empty( $output ) )
$this->feedback( $output );
ob_end_clean();
}
function bulk_header() {}
function bulk_footer() {}
function before() {}
function after() {}
}