def test_cont_get_json_req_with_cipher_mismatch(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown_cipher'
key = fetch_crypto_keys()['container']
pt_etag = 'c6e8196d7f0fff6444b90861fe8d609d'
ct_etag = encrypt_and_append_meta(pt_etag,
key,
crypto_meta=bad_crypto_meta)
obj_dict_1 = {
"bytes": 16,
"last_modified": "2015-04-14T23:33:06.439040",
"hash": ct_etag,
"name": "testfile",
"content_type": "image/jpeg"
}
listing = [obj_dict_1]
fake_body = json.dumps(listing)
resp = self._make_cont_get_req(fake_body, 'json')
self.assertEqual('500 Internal Error', resp.status)
self.assertEqual('Error decrypting container listing', resp.body)
self.assertIn("Cipher must be AES_CTR_256",
self.decrypter.logger.get_lines_for_level('error')[0])
def _make_response_headers(self, content_length, plaintext_etag, keys,
body_key):
# helper method to make a typical set of response headers for a GET or
# HEAD request
cont_key = keys['container']
object_key = keys['object']
body_key_meta = {'key': encrypt(body_key, object_key, FAKE_IV),
'iv': FAKE_IV}
body_crypto_meta = fake_get_crypto_meta(body_key=body_key_meta)
return HeaderKeyDict({
'Etag': 'hashOfCiphertext',
'content-type': 'text/plain',
'content-length': content_length,
'X-Object-Sysmeta-Crypto-Etag': '%s; swift_meta=%s' % (
base64.b64encode(encrypt(plaintext_etag, object_key, FAKE_IV)),
get_crypto_meta_header()),
'X-Object-Sysmeta-Crypto-Body-Meta':
get_crypto_meta_header(body_crypto_meta),
'x-object-transient-sysmeta-crypto-meta-test':
base64.b64encode(encrypt('encrypt me', object_key, FAKE_IV)) +
';swift_meta=' + get_crypto_meta_header(),
'x-object-sysmeta-container-update-override-etag':
encrypt_and_append_meta('encrypt me, too', cont_key),
'x-object-sysmeta-test': 'do not encrypt me',
})
def _make_response_headers(self, content_length, plaintext_etag, keys,
body_key):
# helper method to make a typical set of response headers for a GET or
# HEAD request
cont_key = keys['container']
object_key = keys['object']
body_key_meta = {
'key': encrypt(body_key, object_key, FAKE_IV),
'iv': FAKE_IV
}
body_crypto_meta = fake_get_crypto_meta(body_key=body_key_meta)
return HeaderKeyDict({
'Etag':
'hashOfCiphertext',
'content-type':
'text/plain',
'content-length':
content_length,
'X-Object-Sysmeta-Crypto-Etag':
'%s; swift_meta=%s' %
(base64.b64encode(encrypt(plaintext_etag, object_key,
FAKE_IV)), get_crypto_meta_header()),
'X-Object-Sysmeta-Crypto-Body-Meta':
get_crypto_meta_header(body_crypto_meta),
'x-object-transient-sysmeta-crypto-meta-test':
base64.b64encode(encrypt('encrypt me', object_key, FAKE_IV)) +
';swift_meta=' + get_crypto_meta_header(),
'x-object-sysmeta-container-update-override-etag':
encrypt_and_append_meta('encrypt me, too', cont_key),
'x-object-sysmeta-test':
'do not encrypt me',
})
def test_GET_cipher_mismatch_for_metadata(self):
# Cipher does not match
env = {'REQUEST_METHOD': 'GET', CRYPTO_KEY_CALLBACK: fetch_crypto_keys}
req = Request.blank('/v1/a/c/o', environ=env)
body = 'FAKE APP'
key = fetch_crypto_keys()['object']
enc_body = encrypt(body, key, FAKE_IV)
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown_cipher'
hdrs = self._make_response_headers(len(enc_body), md5hex(body),
fetch_crypto_keys(), 'not used')
hdrs.update({
'x-object-transient-sysmeta-crypto-meta-test':
base64.b64encode(encrypt('encrypt me', key, FAKE_IV)) +
';swift_meta=' +
get_crypto_meta_header(crypto_meta=bad_crypto_meta)
})
self.app.register('GET',
'/v1/a/c/o',
HTTPOk,
body=enc_body,
headers=hdrs)
resp = req.get_response(self.decrypter)
self.assertEqual('500 Internal Error', resp.status)
self.assertEqual('Error decrypting header', resp.body)
self.assertIn(
'Error decrypting header X-Object-Transient-Sysmeta-Crypto-Meta-'
'Test',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_with_bad_iv_for_user_metadata(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['iv'] = 'bad_iv'
resp = self._test_bad_crypto_meta_for_user_metadata(
'GET', bad_crypto_meta)
self.assertEqual('Error decrypting header', resp.body)
self.assertIn('IV must be length 16',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_with_bad_iv_for_user_metadata(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['iv'] = 'bad_iv'
resp = self._test_bad_crypto_meta_for_user_metadata(
'GET', bad_crypto_meta)
self.assertEqual('Error decrypting header', resp.body)
self.assertIn('IV must be length 16',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_with_missing_iv_for_user_metadata(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta.pop('iv')
resp = self._test_bad_crypto_meta_for_user_metadata(
'GET', bad_crypto_meta)
self.assertEqual('Error decrypting header', resp.body)
self.assertIn('iv',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_with_missing_iv_for_user_metadata(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta.pop('iv')
resp = self._test_bad_crypto_meta_for_user_metadata(
'GET', bad_crypto_meta)
self.assertEqual('Error decrypting header', resp.body)
self.assertIn(
'iv', self.decrypter.logger.get_lines_for_level('error')[0])
def test_cont_get_xml_req_with_cipher_mismatch(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown_cipher'
fake_body = '''<?xml version="1.0" encoding="UTF-8"?>
<container name="testc"><object>\
<hash>''' + encrypt_and_append_meta('c6e8196d7f0fff6444b90861fe8d609d',
fetch_crypto_keys()['container'],
crypto_meta=bad_crypto_meta) + '''\
</hash>\
<content_type>image/jpeg</content_type>\
<name>testfile</name><bytes>16</bytes>\
<last_modified>2015-04-19T02:37:39.601660</last_modified></object>\
</container>'''
resp = self._make_cont_get_req(fake_body, 'xml')
self.assertEqual('500 Internal Error', resp.status)
self.assertEqual('Error decrypting container listing', resp.body)
self.assertIn("Cipher must be AES_CTR_256",
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_cipher_mismatch_for_body(self):
# Cipher does not match
env = {'REQUEST_METHOD': 'GET',
CRYPTO_KEY_CALLBACK: fetch_crypto_keys}
req = Request.blank('/v1/a/c/o', environ=env)
body = 'FAKE APP'
enc_body = encrypt(body, fetch_crypto_keys()['object'], FAKE_IV)
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown_cipher'
hdrs = self._make_response_headers(
len(enc_body), md5hex(body), fetch_crypto_keys(), 'not used')
hdrs['X-Object-Sysmeta-Crypto-Body-Meta'] = \
get_crypto_meta_header(crypto_meta=bad_crypto_meta)
self.app.register(
'GET', '/v1/a/c/o', HTTPOk, body=enc_body, headers=hdrs)
resp = req.get_response(self.decrypter)
self.assertEqual('500 Internal Error', resp.status)
self.assertEqual('Error decrypting object', resp.body)
self.assertIn('Error decrypting object',
self.decrypter.logger.get_lines_for_level('error')[0])
self.assertIn('Bad crypto meta: Cipher',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_cont_get_json_req_with_cipher_mismatch(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown_cipher'
key = fetch_crypto_keys()['container']
pt_etag = 'c6e8196d7f0fff6444b90861fe8d609d'
ct_etag = encrypt_and_append_meta(pt_etag, key,
crypto_meta=bad_crypto_meta)
obj_dict_1 = {"bytes": 16,
"last_modified": "2015-04-14T23:33:06.439040",
"hash": ct_etag,
"name": "testfile",
"content_type": "image/jpeg"}
listing = [obj_dict_1]
fake_body = json.dumps(listing)
resp = self._make_cont_get_req(fake_body, 'json')
self.assertEqual('500 Internal Error', resp.status)
self.assertEqual('Error decrypting container listing', resp.body)
self.assertIn("Cipher must be AES_CTR_256",
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_cipher_mismatch_for_body(self):
# Cipher does not match
env = {'REQUEST_METHOD': 'GET', CRYPTO_KEY_CALLBACK: fetch_crypto_keys}
req = Request.blank('/v1/a/c/o', environ=env)
body = 'FAKE APP'
enc_body = encrypt(body, fetch_crypto_keys()['object'], FAKE_IV)
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown_cipher'
hdrs = self._make_response_headers(len(enc_body), md5hex(body),
fetch_crypto_keys(), 'not used')
hdrs['X-Object-Sysmeta-Crypto-Body-Meta'] = \
get_crypto_meta_header(crypto_meta=bad_crypto_meta)
self.app.register('GET',
'/v1/a/c/o',
HTTPOk,
body=enc_body,
headers=hdrs)
resp = req.get_response(self.decrypter)
self.assertEqual('500 Internal Error', resp.status)
self.assertEqual('Error decrypting object', resp.body)
self.assertIn('Error decrypting object',
self.decrypter.logger.get_lines_for_level('error')[0])
self.assertIn('Bad crypto meta: Cipher',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_cipher_mismatch_for_metadata(self):
# Cipher does not match
env = {'REQUEST_METHOD': 'GET',
CRYPTO_KEY_CALLBACK: fetch_crypto_keys}
req = Request.blank('/v1/a/c/o', environ=env)
body = 'FAKE APP'
key = fetch_crypto_keys()['object']
enc_body = encrypt(body, key, FAKE_IV)
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown_cipher'
hdrs = self._make_response_headers(
len(enc_body), md5hex(body), fetch_crypto_keys(), 'not used')
hdrs.update({'x-object-transient-sysmeta-crypto-meta-test':
base64.b64encode(encrypt('encrypt me', key, FAKE_IV)) +
';swift_meta=' +
get_crypto_meta_header(crypto_meta=bad_crypto_meta)})
self.app.register(
'GET', '/v1/a/c/o', HTTPOk, body=enc_body, headers=hdrs)
resp = req.get_response(self.decrypter)
self.assertEqual('500 Internal Error', resp.status)
self.assertEqual('Error decrypting header', resp.body)
self.assertIn(
'Error decrypting header X-Object-Transient-Sysmeta-Crypto-Meta-'
'Test', self.decrypter.logger.get_lines_for_level('error')[0])
def test_HEAD_with_bad_iv_for_user_metadata(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['iv'] = 'bad_iv'
self._test_bad_crypto_meta_for_user_metadata('HEAD', bad_crypto_meta)
self.assertIn('IV must be length 16',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_HEAD_with_missing_iv_for_user_metadata(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta.pop('iv')
self._test_bad_crypto_meta_for_user_metadata('HEAD', bad_crypto_meta)
self.assertIn('iv',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_HEAD_with_bad_iv_for_user_metadata(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['iv'] = 'bad_iv'
self._test_bad_crypto_meta_for_user_metadata('HEAD', bad_crypto_meta)
self.assertIn('IV must be length 16',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_with_missing_iv_for_object_body(self):
bad_crypto_meta = fake_get_crypto_meta(key=os.urandom(32))
bad_crypto_meta.pop('iv')
self._test_GET_with_bad_crypto_meta_for_object_body(bad_crypto_meta)
self.assertIn("Missing 'iv'",
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_with_missing_body_key_for_object_body(self):
bad_crypto_meta = fake_get_crypto_meta() # no key by default
self._test_GET_with_bad_crypto_meta_for_object_body(bad_crypto_meta)
self.assertIn("Missing 'body_key'",
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_with_missing_iv_for_object_body(self):
bad_crypto_meta = fake_get_crypto_meta(key=os.urandom(32))
bad_crypto_meta.pop('iv')
self._test_GET_with_bad_crypto_meta_for_object_body(bad_crypto_meta)
self.assertIn("Missing 'iv'",
self.decrypter.logger.get_lines_for_level('error')[0])
def test_HEAD_with_missing_iv_for_user_metadata(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta.pop('iv')
self._test_bad_crypto_meta_for_user_metadata('HEAD', bad_crypto_meta)
self.assertIn(
'iv', self.decrypter.logger.get_lines_for_level('error')[0])
def test_HEAD_override_etag_bad_iv(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['iv'] = 'bad_iv'
resp = self._test_override_etag_bad_meta('HEAD', bad_crypto_meta)
self.assertEqual('', resp.body)
def get_crypto_meta_header(crypto_meta=None):
if crypto_meta is None:
crypto_meta = fake_get_crypto_meta()
return dump_crypto_meta(crypto_meta)
def test_GET_with_missing_body_key_for_object_body(self):
bad_crypto_meta = fake_get_crypto_meta() # no key by default
self._test_GET_with_bad_crypto_meta_for_object_body(bad_crypto_meta)
self.assertIn("Missing 'body_key'",
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_with_bad_body_key_for_object_body(self):
body_key_meta = {'key': 'wrapped too short key', 'iv': FAKE_IV}
bad_crypto_meta = fake_get_crypto_meta(body_key=body_key_meta)
self._test_GET_with_bad_crypto_meta_for_object_body(bad_crypto_meta)
self.assertIn('Key must be length 32',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_HEAD_override_etag_bad_cipher(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown cipher'
resp = self._test_override_etag_bad_meta('HEAD', bad_crypto_meta)
self.assertEqual('', resp.body)
def test_GET_with_bad_iv_for_object_body(self):
bad_crypto_meta = fake_get_crypto_meta(key=os.urandom(32))
bad_crypto_meta['iv'] = 'bad_iv'
self._test_GET_with_bad_crypto_meta_for_object_body(bad_crypto_meta)
self.assertIn('IV must be length 16',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_HEAD_override_etag_bad_iv(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['iv'] = 'bad_iv'
resp = self._test_override_etag_bad_meta('HEAD', bad_crypto_meta)
self.assertEqual('', resp.body)
def test_GET_with_bad_body_key_for_object_body(self):
body_key_meta = {'key': 'wrapped too short key', 'iv': FAKE_IV}
bad_crypto_meta = fake_get_crypto_meta(body_key=body_key_meta)
self._test_GET_with_bad_crypto_meta_for_object_body(bad_crypto_meta)
self.assertIn('Key must be length 32',
self.decrypter.logger.get_lines_for_level('error')[0])
def test_GET_override_etag_bad_cipher(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown cipher'
resp = self._test_override_etag_bad_meta('GET', bad_crypto_meta)
self.assertIn('Error decrypting header', resp.body)
def test_GET_override_etag_bad_cipher(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown cipher'
resp = self._test_override_etag_bad_meta('GET', bad_crypto_meta)
self.assertIn('Error decrypting header', resp.body)
def test_HEAD_override_etag_bad_cipher(self):
bad_crypto_meta = fake_get_crypto_meta()
bad_crypto_meta['cipher'] = 'unknown cipher'
resp = self._test_override_etag_bad_meta('HEAD', bad_crypto_meta)
self.assertEqual('', resp.body)
def get_crypto_meta_header(crypto_meta=None):
if crypto_meta is None:
crypto_meta = fake_get_crypto_meta()
return dump_crypto_meta(crypto_meta)
def test_GET_with_bad_iv_for_object_body(self):
bad_crypto_meta = fake_get_crypto_meta(key=os.urandom(32))
bad_crypto_meta['iv'] = 'bad_iv'
self._test_GET_with_bad_crypto_meta_for_object_body(bad_crypto_meta)
self.assertIn('IV must be length 16',
self.decrypter.logger.get_lines_for_level('error')[0])
