[Checkins] SVN: zope.publisher/trunk/src/zope/publisher/http.py Sometimes HTTP_HOST does not exist, but KeyError must not occur.

[Yusei Tahara]

Log message for revision 103578:
  Sometimes HTTP_HOST does not exist, but KeyError must not occur.
  

Changed:
  U   zope.publisher/trunk/src/zope/publisher/http.py

-=-
Modified: zope.publisher/trunk/src/zope/publisher/http.py
===================================================================
--- zope.publisher/trunk/src/zope/publisher/http.py	2009-09-05 06:35:54 UTC (rev 103577)
+++ zope.publisher/trunk/src/zope/publisher/http.py	2009-09-05 06:51:04 UTC (rev 103578)
@@ -887,7 +887,7 @@
         if not trusted:
             scheme, target_host, path, query, fragment = (
                 urlparse.urlsplit(location))
-            if target_host and target_host != self._request['HTTP_HOST']:
+            if target_host and target_host != self._request.get('HTTP_HOST'):
                 raise ValueError(
                     "Untrusted redirect to host %r not allowed." % target_host)