Ticket #11974: theme-editor.php

<?php
/**
 * Theme editor administration panel.
 *
 * @package WordPress
 * @subpackage Administration
 */

/** WordPress Administration Bootstrap */
require_once('admin.php');

if ( !current_user_can('edit_themes') )
        wp_die('<p>'.__('You do not have sufficient permissions to edit templates for this blog.').'</p>');

$title = __("Edit Themes");
$parent_file = 'themes.php';

wp_reset_vars(array('action', 'redirect', 'profile', 'error', 'warning', 'a', 'file', 'theme', 'dir'));

wp_admin_css( 'theme-editor' );

$themes = get_themes();

if (empty($theme)) {
        $theme = get_current_theme();
} else {
        $theme = stripslashes($theme);
}

if ( ! isset($themes[$theme]) )
        wp_die(__('The requested theme does not exist.'));

$allowed_files = array_merge($themes[$theme]['Stylesheet Files'], $themes[$theme]['Template Files']);

//cwg: patch to skip test of unitialized variable

/*
if (empty($file)) {
        $file = $allowed_files[0];
} else {
        $file = stripslashes($file);
        if ( 'theme' == $dir ) {
                $file = dirname(dirname($themes[$theme]['Template Dir'])) . $file ;
        } else if ( 'style' == $dir) {
                $file = dirname(dirname($themes[$theme]['Stylesheet Dir'])) . $file ;
        }
}
*/
        $file = $allowed_files[0];
// cwg: end patch to skip test of unitialized variable

validate_file_to_edit($file, $allowed_files);
$scrollto = isset($_REQUEST['scrollto']) ? (int) $_REQUEST['scrollto'] : 0;
$file_show = basename( $file );

switch($action) {

case 'update':

        check_admin_referer('edit-theme_' . $file . $theme);

        $newcontent = stripslashes($_POST['newcontent']);
        $theme = urlencode($theme);
        if (is_writeable($file)) {
                //is_writable() not always reliable, check return value. see comments @ http://uk.php.net/is_writable
                $f = fopen($file, 'w+');
                if ($f !== FALSE) {
                        fwrite($f, $newcontent);
                        fclose($f);
                        $location = "theme-editor.php?file=$file&theme=$theme&a=te&scrollto=$scrollto";
                } else {
                        $location = "theme-editor.php?file=$file&theme=$theme&scrollto=$scrollto";
                }
        } else {
                $location = "theme-editor.php?file=$file&theme=$theme&scrollto=$scrollto";
        }

        $location = wp_kses_no_null($location);
        $strip = array('%0d', '%0a', '%0D', '%0A');
        $location = _deep_replace($strip, $location);
        header("Location: $location");
        exit();

break;

default:

        require_once('admin-header.php');

        update_recently_edited($file);

        if ( !is_file($file) )
                $error = 1;

        if ( !$error && filesize($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 = htmlspecialchars( $content );
                $codepress_lang = codepress_get_lang($file);
        }

        ?>
<?php if (isset($_GET['a'])) : ?>
 <div id="message" class="updated fade"><p><?php _e('File edited successfully.') ?></p></div>
<?php endif;

$description = get_file_description($file);
$desc_header = ( $description != $file_show ) ? "<strong>$description</strong> (%s)" : "%s";
?>
<div class="wrap">
<?php screen_icon(); ?>
<h2><?php echo esc_html( $title ); ?></h2>

<div class="fileedit-sub">
<div class="alignleft">
<big><?php echo sprintf($desc_header, $file_show); ?></big>
</div>
<div class="alignright">
        <form action="theme-editor.php" method="post">
                <strong><label for="theme"><?php _e('Select theme to edit:'); ?> </label></strong>
                <select name="theme" id="theme">
<?php
        foreach ($themes as $a_theme) {
        $theme_name = $a_theme['Name'];
        if ($theme_name == $theme) $selected = " selected='selected'";
        else $selected = '';
        $theme_name = esc_attr($theme_name);
        echo "\n\t<option value=\"$theme_name\" $selected>$theme_name</option>";
}
?>
                </select>
                <input type="submit" name="Submit" value="<?php esc_attr_e('Select') ?>" class="button" />
        </form>
</div>
<br class="clear" />
</div>
        <div id="templateside">
        <h3><?php _e("Theme Files"); ?></h3>

<?php
if ($allowed_files) :
?>
        <h4><?php _e('Templates'); ?></h4>
        <ul>
<?php
        $template_mapping = array();
        $template_dir = $themes[$theme]['Template Dir'];
        foreach ( $themes[$theme]['Template Files'] as $template_file ) {
                $description = trim( get_file_description($template_file) );
                $template_show = basename($template_file);
                $filedesc = ( $description != $template_file ) ? "$description <span class='nonessential'>($template_show)</span>" : "$description";
                $filedesc = ( $template_file == $file ) ? "<span class='highlight'>$description <span class='nonessential'>($template_show)</span></span>" : $filedesc;

                // If we have two files of the same name prefer the one in the Template Directory
                // This means that we display the correct files for child themes which overload Templates as well as Styles
                if( array_key_exists($description, $template_mapping ) ) {
                        if ( false !== strpos( $template_file, $template_dir ) )  {
                                $template_mapping[ $description ] = array( _get_template_edit_filename($template_file, $template_dir), $filedesc );
                        }
                } else {
                        $template_mapping[ $description ] = array( _get_template_edit_filename($template_file, $template_dir), $filedesc );
                }
        }
        ksort( $template_mapping );
        while ( list( $template_sorted_key, list( $template_file, $filedesc ) ) = each( $template_mapping ) ) :
        ?>
                <li><a href="theme-editor.php?file=<?php echo "$template_file"; ?>&amp;theme=<?php echo urlencode($theme) ?>&amp;dir=theme"><?php echo $filedesc ?></a></li>
<?php endwhile; ?>
        </ul>
        <h4><?php /* translators: Theme stylesheets in theme editor */ echo _x('Styles', 'Theme stylesheets in theme editor'); ?></h4>
        <ul>
<?php
        $template_mapping = array();
        $stylesheet_dir = $themes[$theme]['Stylesheet Dir'];
        foreach ( $themes[$theme]['Stylesheet Files'] as $style_file ) {
                $description = trim( get_file_description($style_file) );
                $style_show = basename($style_file);
                $filedesc = ( $description != $style_file ) ? "$description <span class='nonessential'>($style_show)</span>" : "$description";
                $filedesc = ( $style_file == $file ) ? "<span class='highlight'>$description <span class='nonessential'>($style_show)</span></span>" : $filedesc;
                $template_mapping[ $description ] = array( _get_template_edit_filename($style_file, $stylesheet_dir), $filedesc );
        }
        ksort( $template_mapping );
        while ( list( $template_sorted_key, list( $style_file, $filedesc ) ) = each( $template_mapping ) ) :
                ?>
                <li><a href="theme-editor.php?file=<?php echo "$style_file"; ?>&amp;theme=<?php echo urlencode($theme) ?>&amp;dir=style"><?php echo $filedesc ?></a></li>
<?php endwhile; ?>
        </ul>
<?php endif; ?>
</div>
<?php if (!$error) { ?>
        <form name="template" id="template" action="theme-editor.php" method="post">
        <?php wp_nonce_field('edit-theme_' . $file . $theme) ?>
                 <div><textarea cols="70" rows="25" name="newcontent" id="newcontent" tabindex="1" class="codepress <?php echo $codepress_lang ?>"><?php echo $content ?></textarea>
                 <input type="hidden" name="action" value="update" />
                 <input type="hidden" name="file" value="<?php echo esc_attr($file) ?>" />
                 <input type="hidden" name="theme" value="<?php echo esc_attr($theme) ?>" />
                 <input type="hidden" name="scrollto" id="scrollto" value="<?php echo $scrollto; ?>" />
                 </div>
        <?php if ( isset($functions ) && count($functions) ) { ?>
                <div id="documentation">
                <label for="docs-list"><?php _e('Documentation:') ?></label>
                <?php echo $docs_select; ?>
                <input type="button" class="button" value=" <?php esc_attr_e( 'Lookup' ); ?> " onclick="if ( '' != jQuery('#docs-list').val() ) { window.open( 'http://api.wordpress.org/core/handbook/1.0/?function=' + escape( jQuery( '#docs-list' ).val() ) + '&locale=<?php echo urlencode( get_locale() ) ?>&version=<?php echo urlencode( $wp_version ) ?>&redirect=true'); }" />
                </div>
        <?php } ?>

                <div>
<?php if ( is_writeable($file) ) : ?>
                        <p class="submit">
<?php
        echo "<input type='submit' name='submit' class='button-primary' value='" . esc_attr__('Update File') . "' tabindex='2' />";
?>
</p>
<?php else : ?>
<p><em><?php _e('You need to make this file writable before you can save your changes. See <a href="http://codex.wordpress.org/Changing_File_Permissions">the Codex</a> for more information.'); ?></em></p>
<?php endif; ?>
                </div>
        </form>
<?php
        } else {
                echo '<div class="error"><p>' . __('Oops, no such file exists! Double check the name and try again, merci.') . '</p></div>';
        }
?>
<br class="clear" />
</div>
<script type="text/javascript">
/* <![CDATA[ */
jQuery(document).ready(function($){
        $('#template').submit(function(){ $('#scrollto').val( $('#newcontent').scrollTop() ); });
        $('#newcontent').scrollTop( $('#scrollto').val() );
});
/* ]]> */
</script>
<?php
break;
}

include("admin-footer.php");