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