Ticket #64439: 64439-theme-editor.patch

wp-admin/theme-editor.php

@@ -77 +77 @@
         wp_die( __( 'The requested theme does not exist.' ) . ' ' . $theme->errors()->get_error_message() );
 }
 
+// Handle theme download action: create a zip of the theme and send it to the browser.
+if ( 'download_theme' === $action ) {
+        if ( ! current_user_can( 'edit_themes' ) ) {
+                wp_die( '<p>' . __( 'Sorry, you are not allowed to download themes for this site.' ) . '</p>' );
+        }
+
+        // Verify nonce (accept either _wpnonce or nonce parameter for compatibility).
+        $nonce_name = isset( $_REQUEST['_wpnonce'] ) ? '_wpnonce' : 'nonce';
+        if ( ! check_admin_referer( 'download-theme_' . $stylesheet, $nonce_name, false ) ) {
+                wp_die( '<p>' . __( 'Security check failed.' ) . '</p>' );
+        }
+
+        $theme_dir = $theme->get_stylesheet_directory();
+
+        if ( ! is_dir( $theme_dir ) ) {
+                wp_die( '<p>' . __( 'Theme directory not found.' ) . '</p>' );
+        }
+
+        $zipname = sanitize_file_name( $theme->get( 'Name' ) );
+        if ( ! $zipname ) {
+                $zipname = $stylesheet;
+        }
+        $tmpfile = sys_get_temp_dir() . DIRECTORY_SEPARATOR . $zipname . '-' . time() . '.zip';
+
+        // Try native ZipArchive first, fall back to PclZip if needed.
+        if ( class_exists( 'ZipArchive' ) ) {
+                $zip = new ZipArchive();
+                if ( true !== $zip->open( $tmpfile, ZipArchive::CREATE ) ) {
+                        wp_die( '<p>' . __( 'Could not create zip archive.' ) . '</p>' );
+                }
+
+                $files = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $theme_dir ) );
+                foreach ( $files as $file ) {
+                        if ( $file->isDir() ) {
+                                continue;
+                        }
+                        $filePath = $file->getRealPath();
+                        $relativePath = substr( $filePath, strlen( $theme_dir ) + 1 );
+                        $zip->addFile( $filePath, $relativePath );
+                }
+
+                $zip->close();
+        } else {
+                // Use PclZip fallback bundled with WordPress admin.
+                require_once ABSPATH . 'wp-admin/includes/class-pclzip.php';
+
+                $filelist = array();
+                $files = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $theme_dir ) );
+                foreach ( $files as $file ) {
+                        if ( $file->isDir() ) {
+                                continue;
+                        }
+                        $filelist[] = $file->getRealPath();
+                }
+
+                $archive = new PclZip( $tmpfile );
+                $result = $archive->create( $filelist, PCLZIP_OPT_REMOVE_PATH, $theme_dir );
+                if ( 0 === $result ) {
+                        wp_die( '<p>' . __( 'Could not create zip archive.' ) . ' ' . esc_html( $archive->errorInfo( true ) ) . '</p>' );
+                }
+        }
+
+        if ( ! file_exists( $tmpfile ) ) {
+                wp_die( '<p>' . __( 'Failed to create theme archive.' ) . '</p>' );
+        }
+
+        // Send the file to the browser.
+        header( 'Content-Type: application/zip' );
+        header( 'Content-Disposition: attachment; filename="' . $zipname . '.zip"' );
+        header( 'Content-Length: ' . filesize( $tmpfile ) );
+        readfile( $tmpfile );
+        @unlink( $tmpfile );
+        exit;
+}
+
 $allowed_files = array();
 $style_files   = array();
 
@@ -304 +379 @@
                 </select>
                 <?php submit_button( __( 'Select' ), '', 'Submit', false ); ?>
         </form>
+
+        <!-- Download Theme button moved below the editor to avoid cluttering the theme selector. -->
 </div>
 <br class="clear" />
 </div>
@@ -415 +492 @@
 
                 <?php wp_print_file_editor_templates(); ?>
         </form>
+
+        <!-- Download Theme form placed below the Update File button -->
+        <form action="theme-editor.php" method="post" style="margin-top:8px;">
+                <?php wp_nonce_field( 'download-theme_' . $stylesheet, '_wpnonce' ); ?>
+                <input type="hidden" name="action" value="download_theme" />
+                <input type="hidden" name="theme" value="<?php echo esc_attr( $stylesheet ); ?>" />
+                <?php submit_button( __( 'Download Theme' ), 'secondary', '', false ); ?>
+        </form>
         <?php
 endif; // End if $error.
 ?>