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diff --git a/django-nova/src/django_nova/views/credentials.py b/django-nova/src/django_nova/views/credentials.py
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+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2010 United States Government as represented by the
+# Administrator of the National Aeronautics and Space Administration.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+"""
+Views for downloading X509 credentials. Useful when using an invitation
+style system for configuring first time users.
+"""
+
+from django import http
+from django.conf import settings
+from django.shortcuts import render_to_response
+from django_nova import models
+
+
+def authorize_credentials(request, auth_token):
+    """Sends X509 credentials to user if their auth token is valid."""
+    auth_token = auth_token.lower()
+    credentials = models.CredentialsAuthorization.get_by_token(auth_token)
+
+    # NOTE(devcamcar): If nothing returned, then token was bad or has expired.
+    if not credentials:
+        return render_to_response('django_nova/credentials/expired.html')
+
+    response = http.HttpResponse(mimetype='application/zip')
+    response['Content-Disposition'] = \
+        'attachment; filename=%s-%s-%s-x509.zip' % \
+        (settings.SITE_NAME, credentials.project, credentials.username)
+    response.write(credentials.get_zip())
+
+    return response
+