From: David Wolever <david@wolever.net>
Date: Fri, 17 May 2013 04:11:22 +0000 (-0400)
Subject: Set Accept-Range header, return 406 on invalid range
X-Git-Tag: v3.1.0~68^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b9352f8ad2c8f9269c355a6f85cfad2b35cccadf;p=thirdparty%2Ftornado.git

Set Accept-Range header, return 406 on invalid range
---

diff --git a/tornado/web.py b/tornado/web.py
index b41c08c3f..9e5135255 100644
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -1754,10 +1754,15 @@ class StaticFileHandler(RequestHandler):
                 self.set_status(304)
                 return
 
+        self.set_header("Accept-Ranges", "bytes")
         request_range = None
         range_header = self.request.headers.get("Range")
         if range_header:
             request_range = httputil.parse_request_range(range_header)
+            if not request_range:
+                # 406: Not Acceptable
+                self.set_status(406)
+                return
 
         with open(abspath, "rb") as file:
             data = file.read()