Add middleware that catches 404 errors if the original URL has a trailing

period and redirects to the same URL with no trailing periods.
Add a redirect test in the top-level testurl.list.
 - Legacy-Id: 850

ietf/middleware.py

@@ -8,6 +8,7 @@ except ImportError:
 from django.db import connection
 from django.shortcuts import render_to_response
 from django.template import RequestContext
+from django.http import HttpResponsePermanentRedirect
 from ietf.utils import log
 import re
 import smtplib
@@ -61,3 +62,9 @@ class SMTPExceptionMiddleware(object):
 	    return render_to_response('email_failed.html', {'exception': type, 'args': value, 'traceback': "".join(tb)},
 		context_instance=RequestContext(request))
 	return None
+
+class RedirectTrailingPeriod(object):
+    def process_response(self, request, response):
+	if response.status_code == 404 and request.path.endswith("."):
+	    return HttpResponsePermanentRedirect(request.path.rstrip("."))
+	return response

ietf/settings.py

@@ -90,6 +90,7 @@ MIDDLEWARE_CLASSES = (
 #    'ietf.middleware.PrettifyMiddleware',
     'ietf.middleware.SQLLogMiddleware',
     'ietf.middleware.SMTPExceptionMiddleware',
+    'ietf.middleware.RedirectTrailingPeriod',
     'django.middleware.transaction.TransactionMiddleware',
 )
 

ietf/testurl.list

@@ -7,3 +7,4 @@ skip	/css/base.css
 skip	/js/
 
 200	/googlea30ad1dacffb5e5b.html # Google webmaster tool verification page
+301	/list/request....	# test middleware that strips periods and redirects instead of 404