From c3760557bda91fa2ad044f289dcfd2ede999363d Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Tue, 2 Mar 2010 08:47:41 +0000
Subject: - Patch #243251 by naxoc, Signe, lilou, mcarbone: JavaScript
 requiring a query string cannot be loaded.

---
 includes/common.inc | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'includes/common.inc')

diff --git a/includes/common.inc b/includes/common.inc
index eb72bc311..7f140b815 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -2982,7 +2982,7 @@ function drupal_pre_render_styles($elements) {
   // browser-caching. The string changes on every update or full cache
   // flush, forcing browsers to load a new copy of the files, as the
   // URL changed.
-  $query_string = '?' . substr(variable_get('css_js_query_string', '0'), 0, 1);
+  $query_string = substr(variable_get('css_js_query_string', '0'), 0, 1);
 
   // Defaults for LINK and STYLE elements.
   $link_element_defaults = array(
@@ -3037,7 +3037,8 @@ function drupal_pre_render_styles($elements) {
             // browser-caching. IE7 does not support a media type on the @import
             // statement, so we instead specify the media for the group on the
             // STYLE tag.
-            $import[] = '@import url("' . file_create_url($item['data']) . $query_string . '");';
+            $query_string_separator = (strpos($item['data'], '?') !== FALSE) ? '&' : '?';
+            $import[] = '@import url("' . check_plain(file_create_url($item['data']) . $query_string_separator . $query_string) . '");';
           }
           // In addition to IE's limit of 31 total CSS inclusion tags, it also
           // has a limit of 31 @import statements per STYLE tag.
@@ -3058,7 +3059,8 @@ function drupal_pre_render_styles($elements) {
             $element = $link_element_defaults;
             // The dummy query string needs to be added to the URL to control
             // browser-caching.
-            $element['#attributes']['href'] = file_create_url($item['data']) . $query_string;
+            $query_string_separator = (strpos($item['data'], '?') !== FALSE) ? '&' : '?';
+            $element['#attributes']['href'] = file_create_url($item['data']) . $query_string_separator . $query_string;
             $element['#attributes']['media'] = $item['media'];
             $element['#browsers'] = $group['browsers'];
             $elements[] = $element;
@@ -3628,7 +3630,7 @@ function drupal_get_js($scope = 'header', $javascript = NULL) {
   // URL changed. Files that should not be cached (see drupal_add_js())
   // get REQUEST_TIME as query-string instead, to enforce reload on every
   // page request.
-  $query_string = '?' . substr(variable_get('css_js_query_string', '0'), 0, 1);
+  $query_string = substr(variable_get('css_js_query_string', '0'), 0, 1);
 
   // For inline Javascript to validate as XHTML, all Javascript containing
   // XHTML needs to be wrapped in CDATA. To make that backwards compatible
@@ -3674,7 +3676,8 @@ function drupal_get_js($scope = 'header', $javascript = NULL) {
           if ($item['defer']) {
             $js_element['#attributes']['defer'] = 'defer';
           }
-          $js_element['#attributes']['src'] = file_create_url($item['data']) . ($item['cache'] ? $query_string : '?' . REQUEST_TIME);
+          $query_string_separator = (strpos($item['data'], '?') !== FALSE) ? '&' : '?';
+          $js_element['#attributes']['src'] = file_create_url($item['data']) . $query_string_separator . ($item['cache'] ? $query_string : REQUEST_TIME);
           $no_preprocess .= theme('html_tag', array('element' => $js_element));
         }
         else {
-- 
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