338 lines
11 KiB
Python
338 lines
11 KiB
Python
# Copyright 2013 Red Hat, Inc.
|
|
#
|
|
# 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.
|
|
|
|
import base64
|
|
|
|
from six import moves
|
|
|
|
from keystone.common import pemutils
|
|
from keystone import tests
|
|
|
|
|
|
# List of 2-tuples, (pem_type, pem_header)
|
|
headers = pemutils.PEM_TYPE_TO_HEADER.items()
|
|
|
|
|
|
def make_data(size, offset=0):
|
|
return ''.join([chr(x % 255) for x in moves.range(offset, size + offset)])
|
|
|
|
|
|
def make_base64_from_data(data):
|
|
return base64.b64encode(data)
|
|
|
|
|
|
def wrap_base64(base64_text):
|
|
wrapped_text = '\n'.join([base64_text[x:x + 64]
|
|
for x in moves.range(0, len(base64_text), 64)])
|
|
wrapped_text += '\n'
|
|
return wrapped_text
|
|
|
|
|
|
def make_pem(header, data):
|
|
base64_text = make_base64_from_data(data)
|
|
wrapped_text = wrap_base64(base64_text)
|
|
|
|
result = '-----BEGIN %s-----\n' % header
|
|
result += wrapped_text
|
|
result += '-----END %s-----\n' % header
|
|
|
|
return result
|
|
|
|
|
|
class PEM(object):
|
|
"""PEM text and it's associated data broken out, used for testing.
|
|
|
|
"""
|
|
def __init__(self, pem_header='CERTIFICATE', pem_type='cert',
|
|
data_size=70, data_offset=0):
|
|
self.pem_header = pem_header
|
|
self.pem_type = pem_type
|
|
self.data_size = data_size
|
|
self.data_offset = data_offset
|
|
self.data = make_data(self.data_size, self.data_offset)
|
|
self.base64_text = make_base64_from_data(self.data)
|
|
self.wrapped_base64 = wrap_base64(self.base64_text)
|
|
self.pem_text = make_pem(self.pem_header, self.data)
|
|
|
|
|
|
class TestPEMParseResult(tests.TestCase):
|
|
|
|
def test_pem_types(self):
|
|
for pem_type in pemutils.pem_types:
|
|
pem_header = pemutils.PEM_TYPE_TO_HEADER[pem_type]
|
|
r = pemutils.PEMParseResult(pem_type=pem_type)
|
|
self.assertEqual(pem_type, r.pem_type)
|
|
self.assertEqual(pem_header, r.pem_header)
|
|
|
|
pem_type = 'xxx'
|
|
self.assertRaises(ValueError,
|
|
pemutils.PEMParseResult, pem_type=pem_type)
|
|
|
|
def test_pem_headers(self):
|
|
for pem_header in pemutils.pem_headers:
|
|
pem_type = pemutils.PEM_HEADER_TO_TYPE[pem_header]
|
|
r = pemutils.PEMParseResult(pem_header=pem_header)
|
|
self.assertEqual(pem_type, r.pem_type)
|
|
self.assertEqual(pem_header, r.pem_header)
|
|
|
|
pem_header = 'xxx'
|
|
self.assertRaises(ValueError,
|
|
pemutils.PEMParseResult, pem_header=pem_header)
|
|
|
|
|
|
class TestPEMParse(tests.TestCase):
|
|
def test_parse_none(self):
|
|
text = ''
|
|
text += 'bla bla\n'
|
|
text += 'yada yada yada\n'
|
|
text += 'burfl blatz bingo\n'
|
|
|
|
parse_results = pemutils.parse_pem(text)
|
|
self.assertEqual(0, len(parse_results))
|
|
|
|
self.assertEqual(False, pemutils.is_pem(text))
|
|
|
|
def test_parse_invalid(self):
|
|
p = PEM(pem_type='xxx',
|
|
pem_header='XXX')
|
|
text = p.pem_text
|
|
|
|
self.assertRaises(ValueError,
|
|
pemutils.parse_pem, text)
|
|
|
|
def test_parse_one(self):
|
|
data_size = 70
|
|
count = len(headers)
|
|
pems = []
|
|
|
|
for i in moves.range(count):
|
|
pems.append(PEM(pem_type=headers[i][0],
|
|
pem_header=headers[i][1],
|
|
data_size=data_size + i,
|
|
data_offset=i))
|
|
|
|
for i in moves.range(count):
|
|
p = pems[i]
|
|
text = p.pem_text
|
|
|
|
parse_results = pemutils.parse_pem(text)
|
|
self.assertEqual(1, len(parse_results))
|
|
|
|
r = parse_results[0]
|
|
self.assertEqual(p.pem_type, r.pem_type)
|
|
self.assertEqual(p.pem_header, r.pem_header)
|
|
self.assertEqual(p.pem_text,
|
|
text[r.pem_start:r.pem_end])
|
|
self.assertEqual(p.wrapped_base64,
|
|
text[r.base64_start:r.base64_end])
|
|
self.assertEqual(p.data, r.binary_data)
|
|
|
|
def test_parse_one_embedded(self):
|
|
p = PEM(data_offset=0)
|
|
text = ''
|
|
text += 'bla bla\n'
|
|
text += 'yada yada yada\n'
|
|
text += p.pem_text
|
|
text += 'burfl blatz bingo\n'
|
|
|
|
parse_results = pemutils.parse_pem(text)
|
|
self.assertEqual(1, len(parse_results))
|
|
|
|
r = parse_results[0]
|
|
self.assertEqual(p.pem_type, r.pem_type)
|
|
self.assertEqual(p.pem_header, r.pem_header)
|
|
self.assertEqual(p.pem_text,
|
|
text[r.pem_start:r.pem_end])
|
|
self.assertEqual(p.wrapped_base64,
|
|
text[r.base64_start: r.base64_end])
|
|
self.assertEqual(p.data, r.binary_data)
|
|
|
|
def test_parse_multple(self):
|
|
data_size = 70
|
|
count = len(headers)
|
|
pems = []
|
|
text = ''
|
|
|
|
for i in moves.range(count):
|
|
pems.append(PEM(pem_type=headers[i][0],
|
|
pem_header=headers[i][1],
|
|
data_size=data_size + i,
|
|
data_offset=i))
|
|
|
|
for i in moves.range(count):
|
|
text += pems[i].pem_text
|
|
|
|
parse_results = pemutils.parse_pem(text)
|
|
self.assertEqual(count, len(parse_results))
|
|
|
|
for i in moves.range(count):
|
|
r = parse_results[i]
|
|
p = pems[i]
|
|
|
|
self.assertEqual(p.pem_type, r.pem_type)
|
|
self.assertEqual(p.pem_header, r.pem_header)
|
|
self.assertEqual(p.pem_text,
|
|
text[r.pem_start:r.pem_end])
|
|
self.assertEqual(p.wrapped_base64,
|
|
text[r.base64_start: r.base64_end])
|
|
self.assertEqual(p.data, r.binary_data)
|
|
|
|
def test_parse_multple_find_specific(self):
|
|
data_size = 70
|
|
count = len(headers)
|
|
pems = []
|
|
text = ''
|
|
|
|
for i in moves.range(count):
|
|
pems.append(PEM(pem_type=headers[i][0],
|
|
pem_header=headers[i][1],
|
|
data_size=data_size + i,
|
|
data_offset=i))
|
|
|
|
for i in moves.range(count):
|
|
text += pems[i].pem_text
|
|
|
|
for i in moves.range(count):
|
|
parse_results = pemutils.parse_pem(text, pem_type=headers[i][0])
|
|
self.assertEqual(1, len(parse_results))
|
|
|
|
r = parse_results[0]
|
|
p = pems[i]
|
|
|
|
self.assertEqual(p.pem_type, r.pem_type)
|
|
self.assertEqual(p.pem_header, r.pem_header)
|
|
self.assertEqual(p.pem_text,
|
|
text[r.pem_start:r.pem_end])
|
|
self.assertEqual(p.wrapped_base64,
|
|
text[r.base64_start:r.base64_end])
|
|
self.assertEqual(p.data, r.binary_data)
|
|
|
|
def test_parse_multple_embedded(self):
|
|
data_size = 75
|
|
count = len(headers)
|
|
pems = []
|
|
text = ''
|
|
|
|
for i in moves.range(count):
|
|
pems.append(PEM(pem_type=headers[i][0],
|
|
pem_header=headers[i][1],
|
|
data_size=data_size + i,
|
|
data_offset=i))
|
|
|
|
for i in moves.range(count):
|
|
text += 'bla bla\n'
|
|
text += 'yada yada yada\n'
|
|
text += pems[i].pem_text
|
|
text += 'burfl blatz bingo\n'
|
|
|
|
parse_results = pemutils.parse_pem(text)
|
|
self.assertEqual(count, len(parse_results))
|
|
|
|
for i in moves.range(count):
|
|
r = parse_results[i]
|
|
p = pems[i]
|
|
|
|
self.assertEqual(p.pem_type, r.pem_type)
|
|
self.assertEqual(p.pem_header, r.pem_header)
|
|
self.assertEqual(p.pem_text,
|
|
text[r.pem_start:r.pem_end])
|
|
self.assertEqual(p.wrapped_base64,
|
|
text[r.base64_start:r.base64_end])
|
|
self.assertEqual(p.data, r.binary_data)
|
|
|
|
def test_get_pem_data_none(self):
|
|
text = ''
|
|
text += 'bla bla\n'
|
|
text += 'yada yada yada\n'
|
|
text += 'burfl blatz bingo\n'
|
|
|
|
data = pemutils.get_pem_data(text)
|
|
self.assertIsNone(data)
|
|
|
|
def test_get_pem_data_invalid(self):
|
|
p = PEM(pem_type='xxx',
|
|
pem_header='XXX')
|
|
text = p.pem_text
|
|
|
|
self.assertRaises(ValueError,
|
|
pemutils.get_pem_data, text)
|
|
|
|
def test_get_pem_data(self):
|
|
data_size = 70
|
|
count = len(headers)
|
|
pems = []
|
|
|
|
for i in moves.range(count):
|
|
pems.append(PEM(pem_type=headers[i][0],
|
|
pem_header=headers[i][1],
|
|
data_size=data_size + i,
|
|
data_offset=i))
|
|
|
|
for i in moves.range(count):
|
|
p = pems[i]
|
|
text = p.pem_text
|
|
|
|
data = pemutils.get_pem_data(text, p.pem_type)
|
|
self.assertEqual(p.data, data)
|
|
|
|
def test_is_pem(self):
|
|
data_size = 70
|
|
count = len(headers)
|
|
pems = []
|
|
|
|
for i in moves.range(count):
|
|
pems.append(PEM(pem_type=headers[i][0],
|
|
pem_header=headers[i][1],
|
|
data_size=data_size + i,
|
|
data_offset=i))
|
|
|
|
for i in moves.range(count):
|
|
p = pems[i]
|
|
text = p.pem_text
|
|
self.assertTrue(pemutils.is_pem(text, pem_type=p.pem_type))
|
|
self.assertFalse(pemutils.is_pem(text,
|
|
pem_type=p.pem_type + 'xxx'))
|
|
|
|
def test_base64_to_pem(self):
|
|
data_size = 70
|
|
count = len(headers)
|
|
pems = []
|
|
|
|
for i in moves.range(count):
|
|
pems.append(PEM(pem_type=headers[i][0],
|
|
pem_header=headers[i][1],
|
|
data_size=data_size + i,
|
|
data_offset=i))
|
|
|
|
for i in moves.range(count):
|
|
p = pems[i]
|
|
pem = pemutils.base64_to_pem(p.base64_text, p.pem_type)
|
|
self.assertEqual(pemutils.get_pem_data(pem, p.pem_type), p.data)
|
|
|
|
def test_binary_to_pem(self):
|
|
data_size = 70
|
|
count = len(headers)
|
|
pems = []
|
|
|
|
for i in moves.range(count):
|
|
pems.append(PEM(pem_type=headers[i][0],
|
|
pem_header=headers[i][1],
|
|
data_size=data_size + i,
|
|
data_offset=i))
|
|
|
|
for i in moves.range(count):
|
|
p = pems[i]
|
|
pem = pemutils.binary_to_pem(p.data, p.pem_type)
|
|
self.assertEqual(pemutils.get_pem_data(pem, p.pem_type), p.data)
|