MDL-39832 Files: Fixed ETag format according with RFC2616.

ETag must be double quoted, http://tools.ietf.org/html/rfc2616#section-3.11: entity-tag = [ weak ] opaque-tag weak = "W/" opaque-tag = quoted-string
forouher · Jun 6, 2013 · 52286ac · 52286ac
1 parent d618e3c
commit 52286ac
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/filelib.php b/lib/filelib.php
@@ -2021,7 +2021,7 @@ function readfile_accel($file, $mimetype, $accelerate) {
     header('Last-Modified: '. gmdate('D, d M Y H:i:s', $lastmodified) .' GMT');
 
     if (is_object($file)) {
-        header('ETag: ' . $file->get_contenthash());
+        header('Etag: "' . $file->get_contenthash() . '"');
         if (isset($_SERVER['HTTP_IF_NONE_MATCH']) and $_SERVER['HTTP_IF_NONE_MATCH'] === $file->get_contenthash()) {
             header('HTTP/1.1 304 Not Modified');
             return;