348 lines
12 KiB
PHP
348 lines
12 KiB
PHP
<?php
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/**
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* Theme editor administration panel.
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/** WordPress Administration Bootstrap */
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require_once( dirname( __FILE__ ) . '/admin.php' );
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if ( is_multisite() && ! is_network_admin() ) {
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wp_redirect( network_admin_url( 'theme-editor.php' ) );
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exit();
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}
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if ( !current_user_can('edit_themes') )
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wp_die('<p>'.__('Sorry, you are not allowed to edit templates for this site.').'</p>');
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$title = __("Edit Themes");
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$parent_file = 'themes.php';
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get_current_screen()->add_help_tab( array(
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'id' => 'overview',
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'title' => __('Overview'),
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'content' =>
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'<p>' . __( 'You can use the Theme Editor to edit the individual CSS and PHP files which make up your theme.' ) . '</p>' .
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'<p>' . __( 'Begin by choosing a theme to edit from the dropdown menu and clicking the Select button. A list then appears of the theme’s template files. Clicking once on any file name causes the file to appear in the large Editor box.' ) . '</p>' .
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'<p>' . __( 'For PHP files, you can use the Documentation dropdown to select from functions recognized in that file. Look Up takes you to a web page with reference material about that particular function.' ) . '</p>' .
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'<p id="editor-keyboard-trap-help-1">' . __( 'When using a keyboard to navigate:' ) . '</p>' .
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'<ul>' .
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'<li id="editor-keyboard-trap-help-2">' . __( 'In the editing area, the Tab key enters a tab character.' ) . '</li>' .
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'<li id="editor-keyboard-trap-help-3">' . __( 'To move away from this area, press the Esc key followed by the Tab key.' ) . '</li>' .
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'<li id="editor-keyboard-trap-help-4">' . __( 'Screen reader users: when in forms mode, you may need to press the Esc key twice.' ) . '</li>' .
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'</ul>' .
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'<p>' . __( 'After typing in your edits, click Update File.' ) . '</p>' .
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'<p>' . __( '<strong>Advice:</strong> think very carefully about your site crashing if you are live-editing the theme currently in use.' ) . '</p>' .
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/* translators: placeholder is link to codex article about child themes */
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'<p>' . sprintf( __( 'Upgrading to a newer version of the same theme will override changes made here. To avoid this, consider creating a <a href="%s">child theme</a> instead.' ), __( 'https://codex.wordpress.org/Child_Themes' ) ) . '</p>' .
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( is_network_admin() ? '<p>' . __( 'Any edits to files from this screen will be reflected on all sites in the network.' ) . '</p>' : '' ),
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) );
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get_current_screen()->set_help_sidebar(
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'<p><strong>' . __('For more information:') . '</strong></p>' .
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'<p>' . __('<a href="https://codex.wordpress.org/Theme_Development">Documentation on Theme Development</a>') . '</p>' .
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'<p>' . __('<a href="https://codex.wordpress.org/Using_Themes">Documentation on Using Themes</a>') . '</p>' .
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'<p>' . __('<a href="https://codex.wordpress.org/Editing_Files">Documentation on Editing Files</a>') . '</p>' .
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'<p>' . __('<a href="https://codex.wordpress.org/Template_Tags">Documentation on Template Tags</a>') . '</p>' .
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'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
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);
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wp_reset_vars( array( 'action', 'error', 'file', 'theme' ) );
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if ( $theme ) {
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$stylesheet = $theme;
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} else {
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$stylesheet = get_stylesheet();
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}
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$theme = wp_get_theme( $stylesheet );
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if ( ! $theme->exists() ) {
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wp_die( __( 'The requested theme does not exist.' ) );
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}
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if ( $theme->errors() && 'theme_no_stylesheet' == $theme->errors()->get_error_code() ) {
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wp_die( __( 'The requested theme does not exist.' ) . ' ' . $theme->errors()->get_error_message() );
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}
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$allowed_files = $style_files = array();
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$has_templates = false;
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$default_types = array(
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'bash',
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'conf',
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'css',
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'diff',
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'htm',
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'html',
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'http',
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'inc',
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'include',
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'js',
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'json',
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'jsx',
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'less',
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'md',
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'patch',
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'php',
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'php3',
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'php4',
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'php5',
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'php7',
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'phps',
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'phtml',
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'sass',
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'scss',
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'sh',
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'sql',
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'svg',
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'text',
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'txt',
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'xml',
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'yaml',
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'yml',
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);
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/**
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* Filters the list of file types allowed for editing in the Theme editor.
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*
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* @since 4.4.0
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*
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* @param array $default_types List of file types. Default types include 'php' and 'css'.
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* @param WP_Theme $theme The current Theme object.
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*/
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$file_types = apply_filters( 'wp_theme_editor_filetypes', $default_types, $theme );
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// Ensure that default types are still there.
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$file_types = array_unique( array_merge( $file_types, $default_types ) );
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foreach ( $file_types as $type ) {
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switch ( $type ) {
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case 'php':
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$allowed_files += $theme->get_files( 'php', 1 );
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$has_templates = ! empty( $allowed_files );
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break;
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case 'css':
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$style_files = $theme->get_files( 'css' );
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$allowed_files['style.css'] = $style_files['style.css'];
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$allowed_files += $style_files;
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break;
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default:
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$allowed_files += $theme->get_files( $type );
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break;
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}
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}
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if ( empty( $file ) ) {
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$relative_file = 'style.css';
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$file = $allowed_files['style.css'];
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} else {
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$relative_file = wp_unslash( $file );
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$file = $theme->get_stylesheet_directory() . '/' . $relative_file;
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}
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validate_file_to_edit( $file, $allowed_files );
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$scrollto = isset( $_REQUEST['scrollto'] ) ? (int) $_REQUEST['scrollto'] : 0;
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switch( $action ) {
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case 'update':
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check_admin_referer( 'edit-theme_' . $file . $stylesheet );
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$newcontent = wp_unslash( $_POST['newcontent'] );
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$location = 'theme-editor.php?file=' . urlencode( $relative_file ) . '&theme=' . urlencode( $stylesheet ) . '&scrollto=' . $scrollto;
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if ( is_writeable( $file ) ) {
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// is_writable() not always reliable, check return value. see comments @ https://secure.php.net/is_writable
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$f = fopen( $file, 'w+' );
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if ( $f !== false ) {
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fwrite( $f, $newcontent );
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fclose( $f );
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$location .= '&updated=true';
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$theme->cache_delete();
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}
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}
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wp_redirect( $location );
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exit;
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default:
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$settings = wp_enqueue_code_editor( compact( 'file' ) );
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if ( ! empty( $settings ) ) {
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wp_enqueue_script( 'wp-theme-plugin-editor' );
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wp_add_inline_script( 'wp-theme-plugin-editor', sprintf( 'jQuery( function() { wp.themePluginEditor.init( %s ); } )', wp_json_encode( $settings ) ) );
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}
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require_once( ABSPATH . 'wp-admin/admin-header.php' );
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update_recently_edited( $file );
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if ( ! is_file( $file ) )
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$error = true;
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$content = '';
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if ( ! $error && filesize( $file ) > 0 ) {
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$f = fopen($file, 'r');
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$content = fread($f, filesize($file));
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if ( '.php' == substr( $file, strrpos( $file, '.' ) ) ) {
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$functions = wp_doc_link_parse( $content );
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$docs_select = '<select name="docs-list" id="docs-list">';
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$docs_select .= '<option value="">' . esc_attr__( 'Function Name…' ) . '</option>';
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foreach ( $functions as $function ) {
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$docs_select .= '<option value="' . esc_attr( urlencode( $function ) ) . '">' . htmlspecialchars( $function ) . '()</option>';
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}
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$docs_select .= '</select>';
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}
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$content = esc_textarea( $content );
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}
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if ( isset( $_GET['updated'] ) ) : ?>
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<div id="message" class="updated notice is-dismissible"><p><?php _e( 'File edited successfully.' ) ?></p></div>
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<?php endif;
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$file_description = get_file_description( $relative_file );
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$file_show = array_search( $file, array_filter( $allowed_files ) );
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$description = esc_html( $file_description );
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if ( $file_description != $file_show ) {
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$description .= ' <span>(' . esc_html( $file_show ) . ')</span>';
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}
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?>
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<div class="wrap">
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<h1><?php echo esc_html( $title ); ?></h1>
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<div class="fileedit-sub">
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<div class="alignleft">
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<h2><?php echo $theme->display( 'Name' ); if ( $description ) echo ': ' . $description; ?></h2>
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</div>
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<div class="alignright">
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<form action="theme-editor.php" method="post">
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<strong><label for="theme"><?php _e('Select theme to edit:'); ?> </label></strong>
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<select name="theme" id="theme">
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<?php
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foreach ( wp_get_themes( array( 'errors' => null ) ) as $a_stylesheet => $a_theme ) {
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if ( $a_theme->errors() && 'theme_no_stylesheet' == $a_theme->errors()->get_error_code() )
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continue;
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$selected = $a_stylesheet == $stylesheet ? ' selected="selected"' : '';
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echo "\n\t" . '<option value="' . esc_attr( $a_stylesheet ) . '"' . $selected . '>' . $a_theme->display('Name') . '</option>';
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}
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?>
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</select>
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<?php submit_button( __( 'Select' ), '', 'Submit', false ); ?>
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</form>
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</div>
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<br class="clear" />
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</div>
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<?php
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if ( $theme->errors() )
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echo '<div class="error"><p><strong>' . __( 'This theme is broken.' ) . '</strong> ' . $theme->errors()->get_error_message() . '</p></div>';
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?>
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<div id="templateside">
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<?php
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if ( $allowed_files ) :
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$previous_file_type = '';
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foreach ( $allowed_files as $filename => $absolute_filename ) :
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$file_type = substr( $filename, strrpos( $filename, '.' ) );
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if ( $file_type !== $previous_file_type ) {
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if ( '' !== $previous_file_type ) {
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echo "\t</ul>\n";
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}
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switch ( $file_type ) {
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case '.php':
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if ( $has_templates || $theme->parent() ) :
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echo "\t<h2>" . __( 'Templates' ) . "</h2>\n";
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if ( $theme->parent() ) {
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echo '<p class="howto">' . sprintf( __( 'This child theme inherits templates from a parent theme, %s.' ),
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sprintf( '<a href="%s">%s</a>',
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self_admin_url( 'theme-editor.php?theme=' . urlencode( $theme->get_template() ) ),
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$theme->parent()->display( 'Name' )
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)
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) . "</p>\n";
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}
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endif;
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break;
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case '.css':
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echo "\t<h2>" . _x( 'Styles', 'Theme stylesheets in theme editor' ) . "</h2>\n";
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break;
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default:
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/* translators: %s: file extension */
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echo "\t<h2>" . sprintf( __( '%s files' ), $file_type ) . "</h2>\n";
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break;
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}
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echo "\t<ul>\n";
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}
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$file_description = esc_html( get_file_description( $filename ) );
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if ( $filename !== basename( $absolute_filename ) || $file_description !== $filename ) {
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$file_description .= '<br /><span class="nonessential">(' . esc_html( $filename ) . ')</span>';
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}
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if ( $absolute_filename === $file ) {
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$file_description = '<span class="notice notice-info">' . $file_description . '</span>';
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}
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$previous_file_type = $file_type;
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?>
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<li><a href="theme-editor.php?file=<?php echo urlencode( $filename ) ?>&theme=<?php echo urlencode( $stylesheet ) ?>"><?php echo $file_description; ?></a></li>
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<?php
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endforeach;
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?>
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</ul>
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<?php endif; ?>
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</div>
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<?php if ( $error ) :
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echo '<div class="error"><p>' . __('Oops, no such file exists! Double check the name and try again, merci.') . '</p></div>';
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else : ?>
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<form name="template" id="template" action="theme-editor.php" method="post">
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<?php wp_nonce_field( 'edit-theme_' . $file . $stylesheet ); ?>
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<div>
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<label for="newcontent" id="theme-plugin-editor-label"><?php _e( 'Selected file content:' ); ?></label>
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<textarea cols="70" rows="30" name="newcontent" id="newcontent" aria-describedby="editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4"><?php echo $content; ?></textarea>
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<input type="hidden" name="action" value="update" />
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<input type="hidden" name="file" value="<?php echo esc_attr( $relative_file ); ?>" />
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<input type="hidden" name="theme" value="<?php echo esc_attr( $theme->get_stylesheet() ); ?>" />
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<input type="hidden" name="scrollto" id="scrollto" value="<?php echo esc_attr( $scrollto ); ?>" />
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</div>
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<?php if ( ! empty( $functions ) ) : ?>
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<div id="documentation" class="hide-if-no-js">
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<label for="docs-list"><?php _e('Documentation:') ?></label>
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<?php echo $docs_select; ?>
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<input type="button" class="button" value="<?php esc_attr_e( 'Look Up' ); ?>" onclick="if ( '' != jQuery('#docs-list').val() ) { window.open( 'https://api.wordpress.org/core/handbook/1.0/?function=' + escape( jQuery( '#docs-list' ).val() ) + '&locale=<?php echo urlencode( get_user_locale() ) ?>&version=<?php echo urlencode( get_bloginfo( 'version' ) ) ?>&redirect=true'); }" />
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</div>
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<?php endif; ?>
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<div>
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<?php if ( is_child_theme() && $theme->get_stylesheet() == get_template() ) : ?>
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<p><?php if ( is_writeable( $file ) ) { ?><strong><?php _e( 'Caution:' ); ?></strong><?php } ?>
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<?php _e( 'This is a file in your current parent theme.' ); ?></p>
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<?php endif; ?>
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<?php
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if ( is_writeable( $file ) ) :
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submit_button( __( 'Update File' ), 'primary', 'submit', true );
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else : ?>
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<p><em><?php _e('You need to make this file writable before you can save your changes. See <a href="https://codex.wordpress.org/Changing_File_Permissions">the Codex</a> for more information.'); ?></em></p>
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<?php endif; ?>
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</div>
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</form>
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<?php
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endif; // $error
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?>
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<br class="clear" />
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</div>
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<script type="text/javascript">
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jQuery(document).ready(function($){
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$('#template').submit(function(){ $('#scrollto').val( $('#newcontent').scrollTop() ); });
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$('#newcontent').scrollTop( $('#scrollto').val() );
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});
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</script>
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<?php
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break;
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}
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include(ABSPATH . 'wp-admin/admin-footer.php' );
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