391 lines
12 KiB
PHP
391 lines
12 KiB
PHP
<?php
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/**
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* Upgrader API: Theme_Installer_Skin class
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*
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* @package WordPress
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* @subpackage Upgrader
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* @since 4.6.0
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*/
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/**
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* Theme Installer Skin for the WordPress Theme Installer.
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*
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* @since 2.8.0
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* @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
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*
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* @see WP_Upgrader_Skin
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*/
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class Theme_Installer_Skin extends WP_Upgrader_Skin {
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public $api;
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public $type;
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public $url;
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public $overwrite;
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private $is_downgrading = false;
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/**
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* Constructor.
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*
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* Sets up the theme installer skin.
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*
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* @since 2.8.0
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*
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* @param array $args
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*/
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public function __construct( $args = array() ) {
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$defaults = array(
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'type' => 'web',
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'url' => '',
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'theme' => '',
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'nonce' => '',
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'title' => '',
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'overwrite' => '',
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);
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$args = wp_parse_args( $args, $defaults );
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$this->type = $args['type'];
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$this->url = $args['url'];
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$this->api = isset( $args['api'] ) ? $args['api'] : array();
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$this->overwrite = $args['overwrite'];
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parent::__construct( $args );
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}
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/**
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* Performs an action before installing a theme.
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*
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* @since 2.8.0
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*/
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public function before() {
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if ( ! empty( $this->api ) ) {
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$this->upgrader->strings['process_success'] = sprintf(
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$this->upgrader->strings['process_success_specific'],
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$this->api->name,
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$this->api->version
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);
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}
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}
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/**
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* Hides the `process_failed` error when updating a theme by uploading a zip file.
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*
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* @since 5.5.0
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*
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* @param WP_Error $wp_error WP_Error object.
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* @return bool True if the error should be hidden, false otherwise.
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*/
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public function hide_process_failed( $wp_error ) {
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if (
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'upload' === $this->type &&
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'' === $this->overwrite &&
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$wp_error->get_error_code() === 'folder_exists'
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) {
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return true;
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}
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return false;
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}
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/**
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* Performs an action following a single theme install.
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*
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* @since 2.8.0
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*/
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public function after() {
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if ( $this->do_overwrite() ) {
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return;
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}
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if ( empty( $this->upgrader->result['destination_name'] ) ) {
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return;
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}
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$theme_info = $this->upgrader->theme_info();
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if ( empty( $theme_info ) ) {
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return;
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}
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$name = $theme_info->display( 'Name' );
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$stylesheet = $this->upgrader->result['destination_name'];
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$template = $theme_info->get_template();
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$activate_link = add_query_arg(
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array(
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'action' => 'activate',
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'template' => urlencode( $template ),
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'stylesheet' => urlencode( $stylesheet ),
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),
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admin_url( 'themes.php' )
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);
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$activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );
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$install_actions = array();
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if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) && ! $theme_info->is_block_theme() ) {
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$customize_url = add_query_arg(
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array(
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'theme' => urlencode( $stylesheet ),
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'return' => urlencode( admin_url( 'web' === $this->type ? 'theme-install.php' : 'themes.php' ) ),
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),
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admin_url( 'customize.php' )
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);
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$install_actions['preview'] = sprintf(
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'<a href="%s" class="hide-if-no-customize load-customize">' .
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'<span aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
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esc_url( $customize_url ),
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__( 'Live Preview' ),
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/* translators: Hidden accessibility text. %s: Theme name. */
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sprintf( __( 'Live Preview “%s”' ), $name )
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);
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}
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$install_actions['activate'] = sprintf(
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'<a href="%s" class="activatelink">' .
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'<span aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
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esc_url( $activate_link ),
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_x( 'Activate', 'theme' ),
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/* translators: Hidden accessibility text. %s: Theme name. */
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sprintf( _x( 'Activate “%s”', 'theme' ), $name )
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);
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if ( is_network_admin() && current_user_can( 'manage_network_themes' ) ) {
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$install_actions['network_enable'] = sprintf(
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'<a href="%s" target="_parent">%s</a>',
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esc_url( wp_nonce_url( 'themes.php?action=enable&theme=' . urlencode( $stylesheet ), 'enable-theme_' . $stylesheet ) ),
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__( 'Network Enable' )
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);
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}
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if ( 'web' === $this->type ) {
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$install_actions['themes_page'] = sprintf(
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'<a href="%s" target="_parent">%s</a>',
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self_admin_url( 'theme-install.php' ),
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__( 'Go to Theme Installer' )
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);
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} elseif ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) ) {
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$install_actions['themes_page'] = sprintf(
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'<a href="%s" target="_parent">%s</a>',
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self_admin_url( 'themes.php' ),
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__( 'Go to Themes page' )
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);
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}
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if ( ! $this->result || is_wp_error( $this->result ) || is_network_admin() || ! current_user_can( 'switch_themes' ) ) {
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unset( $install_actions['activate'], $install_actions['preview'] );
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} elseif ( get_option( 'template' ) === $stylesheet ) {
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unset( $install_actions['activate'] );
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}
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/**
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* Filters the list of action links available following a single theme installation.
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*
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* @since 2.8.0
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*
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* @param string[] $install_actions Array of theme action links.
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* @param object $api Object containing WordPress.org API theme data.
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* @param string $stylesheet Theme directory name.
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* @param WP_Theme $theme_info Theme object.
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*/
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$install_actions = apply_filters( 'install_theme_complete_actions', $install_actions, $this->api, $stylesheet, $theme_info );
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if ( ! empty( $install_actions ) ) {
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$this->feedback( implode( ' | ', (array) $install_actions ) );
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}
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}
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/**
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* Checks if the theme can be overwritten and outputs the HTML for overwriting a theme on upload.
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*
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* @since 5.5.0
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*
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* @return bool Whether the theme can be overwritten and HTML was outputted.
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*/
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private function do_overwrite() {
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if ( 'upload' !== $this->type || ! is_wp_error( $this->result ) || 'folder_exists' !== $this->result->get_error_code() ) {
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return false;
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}
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$folder = $this->result->get_error_data( 'folder_exists' );
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$folder = rtrim( $folder, '/' );
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$current_theme_data = false;
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$all_themes = wp_get_themes( array( 'errors' => null ) );
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foreach ( $all_themes as $theme ) {
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$stylesheet_dir = wp_normalize_path( $theme->get_stylesheet_directory() );
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if ( rtrim( $stylesheet_dir, '/' ) !== $folder ) {
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continue;
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}
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$current_theme_data = $theme;
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}
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$new_theme_data = $this->upgrader->new_theme_data;
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if ( ! $current_theme_data || ! $new_theme_data ) {
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return false;
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}
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echo '<h2 class="update-from-upload-heading">' . esc_html__( 'This theme is already installed.' ) . '</h2>';
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// Check errors for active theme.
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if ( is_wp_error( $current_theme_data->errors() ) ) {
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$this->feedback( 'current_theme_has_errors', $current_theme_data->errors()->get_error_message() );
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}
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$this->is_downgrading = version_compare( $current_theme_data['Version'], $new_theme_data['Version'], '>' );
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$is_invalid_parent = false;
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if ( ! empty( $new_theme_data['Template'] ) ) {
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$is_invalid_parent = ! in_array( $new_theme_data['Template'], array_keys( $all_themes ), true );
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}
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$rows = array(
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'Name' => __( 'Theme name' ),
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'Version' => __( 'Version' ),
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'Author' => __( 'Author' ),
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'RequiresWP' => __( 'Required WordPress version' ),
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'RequiresPHP' => __( 'Required PHP version' ),
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'Template' => __( 'Parent theme' ),
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);
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$table = '<table class="update-from-upload-comparison"><tbody>';
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$table .= '<tr><th></th><th>' . esc_html_x( 'Installed', 'theme' ) . '</th><th>' . esc_html_x( 'Uploaded', 'theme' ) . '</th></tr>';
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$is_same_theme = true; // Let's consider only these rows.
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foreach ( $rows as $field => $label ) {
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$old_value = $current_theme_data->display( $field, false );
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$old_value = $old_value ? (string) $old_value : '-';
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$new_value = ! empty( $new_theme_data[ $field ] ) ? (string) $new_theme_data[ $field ] : '-';
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if ( $old_value === $new_value && '-' === $new_value && 'Template' === $field ) {
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continue;
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}
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$is_same_theme = $is_same_theme && ( $old_value === $new_value );
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$diff_field = ( 'Version' !== $field && $new_value !== $old_value );
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$diff_version = ( 'Version' === $field && $this->is_downgrading );
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$invalid_parent = false;
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if ( 'Template' === $field && $is_invalid_parent ) {
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$invalid_parent = true;
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$new_value .= ' ' . __( '(not found)' );
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}
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$table .= '<tr><td class="name-label">' . $label . '</td><td>' . wp_strip_all_tags( $old_value ) . '</td>';
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$table .= ( $diff_field || $diff_version || $invalid_parent ) ? '<td class="warning">' : '<td>';
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$table .= wp_strip_all_tags( $new_value ) . '</td></tr>';
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}
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$table .= '</tbody></table>';
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/**
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* Filters the compare table output for overwriting a theme package on upload.
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*
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* @since 5.5.0
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*
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* @param string $table The output table with Name, Version, Author, RequiresWP, and RequiresPHP info.
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* @param WP_Theme $current_theme_data Active theme data.
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* @param array $new_theme_data Array with uploaded theme data.
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*/
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echo apply_filters( 'install_theme_overwrite_comparison', $table, $current_theme_data, $new_theme_data );
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$install_actions = array();
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$can_update = true;
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$blocked_message = '<p>' . esc_html__( 'The theme cannot be updated due to the following:' ) . '</p>';
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$blocked_message .= '<ul class="ul-disc">';
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$requires_php = isset( $new_theme_data['RequiresPHP'] ) ? $new_theme_data['RequiresPHP'] : null;
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$requires_wp = isset( $new_theme_data['RequiresWP'] ) ? $new_theme_data['RequiresWP'] : null;
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if ( ! is_php_version_compatible( $requires_php ) ) {
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$error = sprintf(
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/* translators: 1: Current PHP version, 2: Version required by the uploaded theme. */
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__( 'The PHP version on your server is %1$s, however the uploaded theme requires %2$s.' ),
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PHP_VERSION,
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$requires_php
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);
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$blocked_message .= '<li>' . esc_html( $error ) . '</li>';
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$can_update = false;
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}
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if ( ! is_wp_version_compatible( $requires_wp ) ) {
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$error = sprintf(
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/* translators: 1: Current WordPress version, 2: Version required by the uploaded theme. */
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__( 'Your WordPress version is %1$s, however the uploaded theme requires %2$s.' ),
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esc_html( wp_get_wp_version() ),
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$requires_wp
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);
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$blocked_message .= '<li>' . esc_html( $error ) . '</li>';
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$can_update = false;
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}
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$blocked_message .= '</ul>';
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if ( $can_update ) {
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if ( $this->is_downgrading ) {
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$warning = sprintf(
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/* translators: %s: Documentation URL. */
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__( 'You are uploading an older version of the installed theme. You can continue to install the older version, but be sure to <a href="%s">back up your database and files</a> first.' ),
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__( 'https://developer.wordpress.org/advanced-administration/security/backup/' )
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);
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} else {
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$warning = sprintf(
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/* translators: %s: Documentation URL. */
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__( 'You are updating a theme. Be sure to <a href="%s">back up your database and files</a> first.' ),
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__( 'https://developer.wordpress.org/advanced-administration/security/backup/' )
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);
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}
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echo '<p class="update-from-upload-notice">' . $warning . '</p>';
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$overwrite = $this->is_downgrading ? 'downgrade-theme' : 'update-theme';
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$install_actions['overwrite_theme'] = sprintf(
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'<a class="button button-primary update-from-upload-overwrite" href="%s" target="_parent">%s</a>',
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wp_nonce_url( add_query_arg( 'overwrite', $overwrite, $this->url ), 'theme-upload' ),
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_x( 'Replace installed with uploaded', 'theme' )
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);
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} else {
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echo $blocked_message;
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}
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$cancel_url = add_query_arg( 'action', 'upload-theme-cancel-overwrite', $this->url );
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$install_actions['themes_page'] = sprintf(
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'<a class="button" href="%s" target="_parent">%s</a>',
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wp_nonce_url( $cancel_url, 'theme-upload-cancel-overwrite' ),
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__( 'Cancel and go back' )
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);
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/**
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* Filters the list of action links available following a single theme installation failure
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* when overwriting is allowed.
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*
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* @since 5.5.0
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*
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* @param string[] $install_actions Array of theme action links.
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* @param object $api Object containing WordPress.org API theme data.
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* @param array $new_theme_data Array with uploaded theme data.
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*/
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$install_actions = apply_filters( 'install_theme_overwrite_actions', $install_actions, $this->api, $new_theme_data );
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if ( ! empty( $install_actions ) ) {
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printf(
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'<p class="update-from-upload-expired hidden">%s</p>',
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__( 'The uploaded file has expired. Please go back and upload it again.' )
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);
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echo '<p class="update-from-upload-actions">' . implode( ' ', (array) $install_actions ) . '</p>';
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}
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return true;
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}
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}
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