Ticket #7595: wordpress-wxr-import-file-import.patch

wp-admin/import/wordpress.php

@@ -105 +105 @@
                                 // this doesn't check that the file is perfectly valid but will at least confirm that it's not the wrong format altogether
                                 if ( !$is_wxr_file && preg_match('|xmlns:wp="http://wordpress[.]org/export/\d+[.]\d+/"|', $importline) )
                                         $is_wxr_file = true;
-
+                                
+                                if ( false !== strpos($importline, '<wp:base_site_url>') ) {
+                                        preg_match('|<wp:base_site_url>(.*?)</wp:base_site_url>|is', $importline, $url);
+                                        $this->base_url = $url[1];
+                                        continue;
+                                }
                                 if ( false !== strpos($importline, '<wp:category>') ) {
                                         preg_match('|<wp:category>(.*?)</wp:category>|is', $importline, $category);
                                         $this->categories[] = $category[1];
@@ -539 +544 @@
         function process_attachment($postdata, $remote_url) {
                 if ($this->fetch_attachments and $remote_url) {
                         printf( __('Importing attachment <em>%s</em>... '), htmlspecialchars($remote_url) );
+                        
+                        //If the URL is absolute, but does not contain http, upload it assuming the base_site_url variable
+                        if(preg_match('/^\/[\w\W]+$/', $remote_url))
+                                $remote_url = rtrim($this->base_url,'/').$remote_url;
+                        
                         $upload = $this->fetch_remote_file($postdata, $remote_url);
                         if ( is_wp_error($upload) ) {
                                 printf( __('Remote file error: %s'), htmlspecialchars($upload->get_error_message()) );