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From rpl...@apache.org
Subject svn commit: r632749 - in /httpd/httpd/trunk: CHANGES modules/cache/cache_util.c
Date Sun, 02 Mar 2008 12:35:34 GMT
Author: rpluem
Date: Sun Mar  2 04:35:33 2008
New Revision: 632749

URL: http://svn.apache.org/viewvc?rev=632749&view=rev
Log:
* If the cached entity contained Cache-Control: no-cache, treat it as stale
  causing revalidation.

PR: 44511

Modified:
    httpd/httpd/trunk/CHANGES
    httpd/httpd/trunk/modules/cache/cache_util.c

Modified: httpd/httpd/trunk/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?rev=632749&r1=632748&r2=632749&view=diff
==============================================================================
--- httpd/httpd/trunk/CHANGES [utf-8] (original)
+++ httpd/httpd/trunk/CHANGES [utf-8] Sun Mar  2 04:35:33 2008
@@ -2,6 +2,9 @@
 Changes with Apache 2.3.0
 [ When backported to 2.2.x, remove entry from this file ]
 
+  *) mod_cache: Revalidate cache entities which have Cache-Control: no-cache
+     set in their response headers. PR 44511 [Ruediger Pluem]
+
   *) mod_rewrite: Check all files used by DBM maps for freshness, mod_rewrite
      didn't pick up on updated sdbm maps due to this.
      PR41190 [Niklas Edmundsson]

Modified: httpd/httpd/trunk/modules/cache/cache_util.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/cache/cache_util.c?rev=632749&r1=632748&r2=632749&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/cache/cache_util.c (original)
+++ httpd/httpd/trunk/modules/cache/cache_util.c Sun Mar  2 04:35:33 2008
@@ -235,6 +235,14 @@
     cc_cresp = apr_table_get(h->resp_hdrs, "Cache-Control");
     expstr = apr_table_get(h->resp_hdrs, "Expires");
 
+    if (ap_cache_liststr(NULL, cc_cresp, "no-cache", NULL)) {
+        /*
+         * The cached entity contained Cache-Control: no-cache, so treat as
+         * stale causing revalidation
+         */
+        return 0;
+    }
+
     if ((agestr = apr_table_get(h->resp_hdrs, "Age"))) {
         age_c = apr_atoi64(agestr);
     }



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