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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.
"""Tests for Signer."""
from nova.auth import signer
from nova import exception
from nova import test
class ClassWithStrRepr(object):
def __repr__(self):
return 'A string representation'
class SignerTestCase(test.TestCase):
def setUp(self):
super(SignerTestCase, self).setUp()
self.signer = signer.Signer('uV3F3YluFJax1cknvbcGwgjvx4QpvB+leU8dUj2o')
# S3 Authorization Signing input & output examples taken from here:
# http://docs.amazonwebservices.com/AmazonS3/latest/dev/
def test_s3_authorization_get(self):
self.assertEquals('xXjDGYUmKxnwqr5KXNPGldn5LbA=',
self.signer.s3_authorization(
{'Date': 'Tue, 27 Mar 2007 19:36:42 +0000'},
'GET',
'/johnsmith/photos/puppy.jpg'))
def test_s3_authorization_put(self):
self.assertEquals('hcicpDDvL9SsO6AkvxqmIWkmOuQ=',
self.signer.s3_authorization(
{'Date': 'Tue, 27 Mar 2007 21:15:45 +0000',
'Content-Length': '94328',
'Content-Type': 'image/jpeg'},
'PUT',
'/johnsmith/photos/puppy.jpg'))
def test_generate_HmacSHA256(self):
self.assertEquals('clXalhbLZXxEuI32OoX+OeXsN6Mr2q4jzGyIDAr4RZg=',
self.signer.generate(
{'SignatureMethod': 'HmacSHA256',
'SignatureVersion': '2'},
'GET', 'server', '/foo'))
def test_generate_HmacSHA1(self):
self.assertEquals('uJTByiDIcgB65STrS5i2egQgd+U=',
self.signer.generate({'SignatureVersion': '2',
'SignatureMethod': 'HmacSHA1'},
'GET', 'server', '/foo'))
def test_generate_invalid_signature_method_defined(self):
self.assertRaises(exception.NovaException,
self.signer.generate,
{'SignatureVersion': '2',
'SignatureMethod': 'invalid_method'},
'GET', 'server', '/foo')
def test_generate_no_signature_method_defined(self):
self.assertRaises(exception.NovaException,
self.signer.generate,
{'SignatureVersion': '2'},
'GET', 'server', '/foo')
def test_generate_HmacSHA256_missing_hashlib_sha256(self):
# Stub out haslib.sha256
import hashlib
self.stubs.Set(hashlib, 'sha256', None)
# Create Signer again now that hashlib.sha256 is None
self.signer = signer.Signer(
'uV3F3YluFJax1cknvbcGwgjvx4QpvB+leU8dUj2o')
self.assertRaises(exception.NovaException,
self.signer.generate,
{'SignatureVersion': '2',
'SignatureMethod': 'HmacSHA256'},
'GET', 'server', '/foo')
def test_generate_with_unicode_param(self):
self.assertEquals('clXalhbLZXxEuI32OoX+OeXsN6Mr2q4jzGyIDAr4RZg=',
self.signer.generate({'SignatureVersion': u'2',
'SignatureMethod': 'HmacSHA256'},
'GET', 'server', '/foo'))
def test_generate_with_non_string_or_unicode_param(self):
self.assertEquals('99IAgCkhTR2aMTgRobnzKGuNxVFSdb7vlQRvnj3Urqk=',
self.signer.generate(
{'AnotherParam': ClassWithStrRepr(),
'SignatureVersion': '2',
'SignatureMethod': 'HmacSHA256'},
'GET', 'server', '/foo'))
def test_generate_unknown_version(self):
self.assertRaises(exception.NovaException,
self.signer.generate,
{'SignatureMethod': 'HmacSHA256', 'SignatureVersion': '9'},
'GET', 'server', '/foo')
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