From: emellor@ewan <emellor@ewan>
Date: Fri, 30 Sep 2005 10:55:49 +0000 (+0100)
Subject: Added cache-control headers to pages returned by HTTP server so that pages
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~16763^2~70
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=8d170a29890ec7eb6ac2c28cce5fe6ffcb359164;p=xen.git

Added cache-control headers to pages returned by HTTP server so that pages
expire immediately.  This prevents navigation to stale pages.

Signed-off-by: Ewan Mellor <ewan@xensource.com>
---

diff --git a/tools/python/xen/web/http.py b/tools/python/xen/web/http.py
index 5cabb95e24..e11d8d29bd 100644
--- a/tools/python/xen/web/http.py
+++ b/tools/python/xen/web/http.py
@@ -437,6 +437,9 @@ class HttpRequest:
         send_body = self.hasBody()
         if not self.close_connection:
             self.setResponseHeader("Connection", "keep-alive")
+        self.setResponseHeader("Pragma", "no-cache")
+        self.setResponseHeader("Cache-Control", "no-cache")
+        self.setResponseHeader("Expires", "-1")
         if send_body:
             self.output.seek(0, 0)
             body = self.output.getvalue()