<?php
/**
* Theme editor administration panel.
*
* @package WordPress
* @subpackage Administration
*/
/** WordPress Administration Bootstrap */
require_once( dirname( __FILE__ ) . '/admin.php' );
if ( is_multisite() && ! is_network_admin() ) {
wp_redirect( network_admin_url( 'theme-editor.php' ) );
exit();
}
if ( !current_user_can('edit_themes') )
wp_die('<p>'.__('Sorry, you are not allowed to edit templates for this site.').'</p>');
$title = __("Edit Themes");
$parent_file = 'themes.php';
get_current_screen()->add_help_tab( array(
'id' => 'overview',
'title' => __('Overview'),
'content' =>
'<p>' . __( 'You can use the Theme Editor to edit the individual CSS and PHP files which make up your theme.' ) . '</p>' .
'<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>' .
'<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>' .
'<p id="editor-keyboard-trap-help-1">' . __( 'When using a keyboard to navigate:' ) . '</p>' .
'<ul>' .
'<li id="editor-keyboard-trap-help-2">' . __( 'In the editing area, the Tab key enters a tab character.' ) . '</li>' .
'<li id="editor-keyboard-trap-help-3">' . __( 'To move away from this area, press the Esc key followed by the Tab key.' ) . '</li>' .
'<li id="editor-keyboard-trap-help-4">' . __( 'Screen reader users: when in forms mode, you may need to press the Esc key twice.' ) . '</li>' .
'</ul>' .
'<p>' . __( 'After typing in your edits, click Update File.' ) . '</p>' .
'<p>' . __( '<strong>Advice:</strong> think very carefully about your site crashing if you are live-editing the theme currently in use.' ) . '</p>' .
/* translators: %s: link to codex article about child themes */
'<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 sprintf( __( 'Upgrading to a newer version of the same theme will override changes made here.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>' .
( is_network_admin() ? '<p>' . __( 'Any edits to files from this screen will be reflected on all sites in the network.' ) . '</p>' : '' ),
) );
get_current_screen()->set_help_sidebar(
'<p><strong>' . __('For more information:') . '</strong></p>' .
'<p>' . __('<a href="https://codex.wordpress.org/Theme_Development">Documentation on Theme Development</a>') . '</p>' .
'<p>' . __('<a href="https://codex.wordpress.org/Using_Themes">Documentation on Using Themes</a>') . '</p>' .
'<p>' . __('<a href="https://codex.wordpress.org/Editing_Files">Documentation on Editing Files</a>') . '</p>' .
'<p>' . __('<a href="https://codex.wordpress.org/Template_Tags">Documentation on Template Tags</a>') . '</p>' .
'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
);
wp_reset_vars( array( 'action', 'error', 'file', 'theme' ) );
if ( $theme ) {
$stylesheet = $theme;
} else {
$stylesheet = get_stylesheet();
}
$theme = wp_get_theme( $stylesheet );
if ( ! $theme->exists() ) {
wp_die( __( 'The requested theme does not exist.' ) );
}
if ( $theme->errors() && 'theme_no_stylesheet' == $theme->errors()->get_error_code() ) {
wp_die( __( 'The requested theme does not exist.' ) . ' ' . $theme->errors()->get_error_message() );
}
$allowed_files = $style_files = array();
$has_templates = false;
$file_types = wp_get_theme_file_editable_extensions( $theme );
foreach ( $file_types as $type ) {
switch ( $type ) {
case 'php':
$allowed_files += $theme->get_files( 'php', 1 );
$has_templates = ! empty( $allowed_files );
break;
case 'css':
$style_files = $theme->get_files( 'css' );
$allowed_files['style.css'] = $style_files['style.css'];
$allowed_files += $style_files;
break;
default:
$allowed_files += $theme->get_files( $type );
break;
}
}
if ( empty( $file ) ) {
$relative_file = 'style.css';
$file = $allowed_files['style.css'];
} else {
$relative_file = wp_unslash( $file );
$file = $theme->get_stylesheet_directory() . '/' . $relative_file;
}
validate_file_to_edit( $file, $allowed_files );
// Handle fallback editing of file when JavaScript is not available.
$edit_error = null;
$posted_content = null;
if ( 'POST' === $_SERVER['REQUEST_METHOD'] ) {
$r = wp_edit_theme_plugin_file( wp_unslash( $_POST ) );
if ( is_wp_error( $r ) ) {
$edit_error = $r;
if ( check_ajax_referer( 'edit-theme_' . $file . $stylesheet, 'nonce', false ) && isset( $_POST['newcontent'] ) ) {
$posted_content = wp_unslash( $_POST['newcontent'] );
}
} else {
wp_redirect( add_query_arg(
array(
'a' => 1, // This means "success" for some reason.
'theme' => $stylesheet,
'file' => $relative_file,
),
admin_url( 'theme-editor.php' )
) );
exit;
}
}
$settings = array(
'codeEditor' => wp_enqueue_code_editor( compact( 'file' ) ),
);
wp_enqueue_script( 'wp-theme-plugin-editor' );
wp_add_inline_script( 'wp-theme-plugin-editor', sprintf( 'jQuery( function( $ ) { wp.themePluginEditor.init( $( "#template" ), %s ); } )', wp_json_encode( $settings ) ) );
require_once( ABSPATH . 'wp-admin/admin-header.php' );
update_recently_edited( $file );
if ( ! is_file( $file ) )
$error = true;
$content = '';
if ( ! empty( $posted_content ) ) {
$content = $posted_content;
} elseif ( ! $error && filesize( $file ) > 0 ) {
$f = fopen($file, 'r');
$content = fread($f, filesize($file));
if ( '.php' == substr( $file, strrpos( $file, '.' ) ) ) {
$functions = wp_doc_link_parse( $content );
$docs_select = '<select name="docs-list" id="docs-list">';
$docs_select .= '<option value="">' . esc_attr__( 'Function Name…' ) . '</option>';
foreach ( $functions as $function ) {
$docs_select .= '<option value="' . esc_attr( urlencode( $function ) ) . '">' . htmlspecialchars( $function ) . '()</option>';
}
$docs_select .= '</select>';
}
$content = esc_textarea( $content );
}
$file_description = get_file_description( $relative_file );
$file_show = array_search( $file, array_filter( $allowed_files ) );
$description = esc_html( $file_description );
if ( $file_description != $file_show ) {
$description .= ' <span>(' . esc_html( $file_show ) . ')</span>';
}
?>
<div class="wrap">
<h1><?php echo esc_html( $title ); ?></h1>
<?php if ( isset( $_GET['a'] ) ) : ?>
<div id="message" class="updated notice is-dismissible">
<p><?php _e( 'File edited successfully.' ); ?></p>
</div>
<?php elseif ( is_wp_error( $edit_error ) ) : ?>
<div id="message" class="notice notice-error">
<p><?php _e( 'There was an error while trying to update the file. You may need to fix something and try updating again.' ); ?></p>
<pre><?php echo esc_html( $edit_error->get_error_message() ? $edit_error->get_error_message() : $edit_error->get_error_code() ); ?></pre>
</div>
<?php endif; ?>
<div class="fileedit-sub">
<div class="alignleft">
<h2><?php echo $theme->display( 'Name' ); if ( $description ) echo ': ' . $description; ?></h2>
</div>
<div class="alignright">
<form action="theme-editor.php" method="get">
<strong><label for="theme"><?php _e('Select theme to edit:'); ?> </label></strong>
<select name="theme" id="theme">
<?php
foreach ( wp_get_themes( array( 'errors' => null ) ) as $a_stylesheet => $a_theme ) {
if ( $a_theme->errors() && 'theme_no_stylesheet' == $a_theme->errors()->get_error_code() )
continue;
$selected = $a_stylesheet == $stylesheet ? ' selected="selected"' : '';
echo "\n\t" . '<option value="' . esc_attr( $a_stylesheet ) . '"' . $selected . '>' . $a_theme->display('Name') . '</option>';
}
?>
</select>
<?php submit_button( __( 'Select' ), '', 'Submit', false ); ?>
</form>
</div>
<br class="clear" />
</div>
<?php
if ( $theme->errors() )
echo '<div class="error"><p><strong>' . __( 'This theme is broken.' ) . '</strong> ' . $theme->errors()->get_error_message() . '</p></div>';
?>
<div id="templateside">
<?php
if ( $allowed_files ) :
$previous_file_type = '';
foreach ( $allowed_files as $filename => $absolute_filename ) :
$file_type = substr( $filename, strrpos( $filename, '.' ) );
if ( $file_type !== $previous_file_type ) {
if ( '' !== $previous_file_type ) {
echo "\t</ul>\n";
}
switch ( $file_type ) {
case '.php':
if ( $has_templates || $theme->parent() ) :
echo "\t<h2>" . __( 'Templates' ) . "</h2>\n";
if ( $theme->parent() ) {
echo '<p class="howto">' . sprintf( __( 'This child theme inherits templates from a parent theme, %s.' ),
sprintf( '<a href="%s">%s</a>',
self_admin_url( 'theme-editor.php?theme=' . urlencode( $theme->get_template() ) ),
$theme->parent()->display( 'Name' )
)
) . "</p>\n";
}
endif;
break;
case '.css':
echo "\t<h2>" . _x( 'Styles', 'Theme stylesheets in theme editor' ) . "</h2>\n";
break;
default:
/* translators: %s: file extension */
echo "\t<h2>" . sprintf( __( '%s files' ), $file_type ) . "</h2>\n";
break;
}
echo "\t<ul>\n";
}
$file_description = esc_html( get_file_description( $filename ) );
if ( $filename !== basename( $absolute_filename ) || $file_description !== $filename ) {
$file_description .= '<br /><span class="nonessential">(' . esc_html( $filename ) . ')</span>';
}
if ( $absolute_filename === $file ) {
$file_description = '<span class="notice notice-info">' . $file_description . '</span>';
}
$previous_file_type = $file_type;
?>
<li><a href="theme-editor.php?file=<?php echo urlencode( $filename ) ?>&theme=<?php echo urlencode( $stylesheet ) ?>"><?php echo $file_description; ?></a></li>
<?php
endforeach;
?>
</ul>
<?php endif; ?>
</div>
<?php if ( $error ) :
echo '<div class="error"><p>' . __('Oops, no such file exists! Double check the name and try again, merci.') . '</p></div>';
else : ?>
<form name="template" id="template" action="theme-editor.php" method="post">
<?php wp_nonce_field( 'edit-theme_' . $file . $stylesheet, 'nonce' ); ?>
<div>
<label for="newcontent" id="theme-plugin-editor-label"><?php _e( 'Selected file content:' ); ?></label>
<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>
<input type="hidden" name="action" value="update" />
<input type="hidden" name="file" value="<?php echo esc_attr( $relative_file ); ?>" />
<input type="hidden" name="theme" value="<?php echo esc_attr( $theme->get_stylesheet() ); ?>" />
</div>
<?php if ( ! empty( $functions ) ) : ?>
<div id="documentation" class="hide-if-no-js">
<label for="docs-list"><?php _e('Documentation:') ?></label>
<?php echo $docs_select; ?>
<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'); }" />
</div>
<?php endif; ?>
<div>
<div class="editor-notices">
<?php if ( is_child_theme() && $theme->get_stylesheet() == get_template() ) : ?>
<div class="notice notice-warning inline">
<p>
<?php if ( is_writeable( $file ) ) { ?><strong><?php _e( 'Caution:' ); ?></strong><?php } ?>
<?php _e( 'This is a file in your current parent theme.' ); ?>
</p>
</div>
<?php endif; ?>
</div>
<?php if ( is_writeable( $file ) ) : ?>
<p class="submit">
<?php submit_button( __( 'Update File' ), 'primary', 'submit', false ); ?>
<span class="spinner"></span>
</p>
<?php else : ?>
<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>
<?php endif; ?>
</div>
<?php wp_print_file_editor_templates(); ?>
</form>
<?php
endif; // $error
?>
<br class="clear" />
</div>
<?php
include(ABSPATH . 'wp-admin/admin-footer.php' );