File Content: class-wp-upgrader-skin.php <?php /** * Upgrader API: WP_Upgrader_Skin class * * @package WordPress * @subpackage Upgrader * @since 4.6.0 */ /** * Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes. * * @since 2.8.0 * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php. */ #[AllowDynamicProperties] class WP_Upgrader_Skin { /** * Holds the upgrader data. * * @since 2.8.0 * @var WP_Upgrader */ public $upgrader; /** * Whether header is done. * * @since 2.8.0 * @var bool */ public $done_header = false; /** * Whether footer is done. * * @since 2.8.0 * @var bool */ public $done_footer = false; /** * Holds the result of an upgrade. * * @since 2.8.0 * @var string|bool|WP_Error */ public $result = false; /** * Holds the options of an upgrade. * * @since 2.8.0 * @var array */ public $options = array(); /** * Constructor. * * Sets up the generic skin for the WordPress Upgrader classes. * * @since 2.8.0 * * @param array $args Optional. The WordPress upgrader skin arguments to * override default options. Default empty array. */ public function __construct( $args = array() ) { $defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false, ); $this->options = wp_parse_args( $args, $defaults ); } /** * Sets the relationship between the skin being used and the upgrader. * * @since 2.8.0 * * @param WP_Upgrader $upgrader */ public function set_upgrader( &$upgrader ) { if ( is_object( $upgrader ) ) { $this->upgrader =& $upgrader; } $this->add_strings(); } /** * Sets up the strings used in the update process. * * @since 3.0.0 */ public function add_strings() { } /** * Sets the result of an upgrade. * * @since 2.8.0 * * @param string|bool|WP_Error $result The result of an upgrade. */ public function set_result( $result ) { $this->result = $result; } /** * Displays a form to the user to request for their FTP/SSH details in order * to connect to the filesystem. * * @since 2.8.0 * @since 4.6.0 The `$context` parameter default changed from `false` to an empty string. * * @see request_filesystem_credentials() * * @param bool|WP_Error $error Optional. Whether the current request has failed to connect, * or an error object. Default false. * @param string $context Optional. Full path to the directory that is tested * for being writable. Default empty. * @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false. * @return bool True on success, false on failure. */ public function request_filesystem_credentials( $error = false, $context = '', $allow_relaxed_file_ownership = false ) { $url = $this->options['url']; if ( ! $context ) { $context = $this->options['context']; } if ( ! empty( $this->options['nonce'] ) ) { $url = wp_nonce_url( $url, $this->options['nonce'] ); } $extra_fields = array(); return request_filesystem_credentials( $url, '', $error, $context, $extra_fields, $allow_relaxed_file_ownership ); } /** * Displays the header before the update process. * * @since 2.8.0 */ public function header() { if ( $this->done_header ) { return; } $this->done_header = true; echo '<div class="wrap">'; echo '<h1>' . $this->options['title'] . '</h1>'; } /** * Displays the footer following the update process. * * @since 2.8.0 */ public function footer() { if ( $this->done_footer ) { return; } $this->done_footer = true; echo '</div>'; } /** * Displays an error message about the update. * * @since 2.8.0 * * @param string|WP_Error $errors Errors. */ public function error( $errors ) { if ( ! $this->done_header ) { $this->header(); } if ( is_string( $errors ) ) { $this->feedback( $errors ); } elseif ( is_wp_error( $errors ) && $errors->has_errors() ) { 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( $message ); } } } } /** * Displays a message about the update. * * @since 2.8.0 * @since 5.9.0 Renamed `$string` (a PHP reserved keyword) to `$feedback` for PHP 8 named parameter support. * * @param string $feedback Message data. * @param mixed ...$args Optional text replacements. */ public function feedback( $feedback, ...$args ) { if ( isset( $this->upgrader->strings[ $feedback ] ) ) { $feedback = $this->upgrader->strings[ $feedback ]; } if ( str_contains( $feedback, '%' ) ) { if ( $args ) { $args = array_map( 'strip_tags', $args ); $args = array_map( 'esc_html', $args ); $feedback = vsprintf( $feedback, $args ); } } if ( empty( $feedback ) ) { return; } show_message( $feedback ); } /** * Performs an action before an update. * * @since 2.8.0 */ public function before() {} /** * Performs an action following an update. * * @since 2.8.0 */ public function after() {} /** * Outputs 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; } if ( defined( 'IFRAME_REQUEST' ) ) { echo '<script type="text/javascript"> if ( window.postMessage && JSON ) { window.parent.postMessage( JSON.stringify( { action: "decrementUpdateCount", upgradeType: "' . $type . '" } ), window.location.protocol + "//" + window.location.hostname + ( "" !== window.location.port ? ":" + window.location.port : "" ) ); } </script>'; } else { echo '<script type="text/javascript"> (function( wp ) { if ( wp && wp.updates && wp.updates.decrementCount ) { wp.updates.decrementCount( "' . $type . '" ); } })( window.wp ); </script>'; } } /** * Displays the header before the bulk update process. * * @since 3.0.0 */ public function bulk_header() {} /** * Displays the footer following the bulk update process. * * @since 3.0.0 */ public function bulk_footer() {} /** * Hides the `process_failed` error message when updating by uploading a zip file. * * @since 5.5.0 * * @param WP_Error $wp_error WP_Error object. * @return bool True if the error should be hidden, false otherwise. */ public function hide_process_failed( $wp_error ) { return false; } } Submit