Add api for getting all signed tags, separated by delegation

This commit is contained in:
Evan Cordell 2017-05-15 16:18:30 -04:00
parent 6023e15274
commit 3e3ed11634
2 changed files with 199 additions and 22 deletions

View file

@ -66,6 +66,22 @@ class TUFMetadataAPIInterface(object):
"""
pass
@abstractmethod
def get_all_tags_with_expiration(self, namespace, repository, targets_file=None, targets_map=None):
"""
Gets the tag -> sha mappings of all delegations for a repo, as well as the expiration of the signatures.
Does not verify the metadata, this is purely for display purposes.
Args:
namespace: namespace containing the repository
repository: the repo to get tags for
targets_file: the specific target or delegation to read from. Default: targets.json
Returns:
targets
"""
pass
@abstractmethod
def delete_metadata(self, namespace, repository):
"""
@ -111,30 +127,49 @@ class ImplementedTUFMetadataAPI(TUFMetadataAPIInterface):
if not targets_file:
targets_file = 'targets/releases.json'
gun = self._gun(namespace, repository)
try:
response = self._get(gun, targets_file)
signed = self._parse_signed(response.json())
targets = signed.get('targets')
expiration = signed.get('expires')
except requests.exceptions.Timeout:
logger.exception('Timeout when trying to get metadata for %s', gun)
return None, None
except requests.exceptions.ConnectionError:
logger.exception('Connection error when trying to get metadata for %s', gun)
return None, None
except (requests.exceptions.RequestException, ValueError):
logger.exception('Failed to get metadata for %s', gun)
return None, None
except Non200ResponseException as ex:
logger.exception('Failed request for %s: %s', gun, str(ex))
return None, None
except InvalidMetadataException as ex:
logger.exception('Failed to parse targets from metadata', str(ex))
signed = self._get_signed(namespace, repository, targets_file)
if not signed:
return None, None
return targets, expiration
return signed.get('targets'), signed.get('expires')
def get_all_tags_with_expiration(self, namespace, repository, targets_file=None, targets_map=None):
"""
Gets the tag -> sha mappings of all delegations for a repo, as well as the expiration of the signatures.
Does not verify the metadata, this is purely for display purposes.
Args:
namespace: namespace containing the repository
repository: the repo to get tags for
targets_file: the specific target or delegation to read from. Default: targets.json
Returns:
targets
"""
if not targets_file:
targets_file = 'targets.json'
if not targets_map:
targets_map = {}
signed = self._get_signed(namespace, repository, targets_file)
if not signed:
return None
if signed.get('targets'):
targets_map[targets_file] = {
'targets': signed.get('targets'),
'expiration': signed.get('expires'),
}
delegation_names = [role.get('name') for role in signed.get('delegations').get('roles')]
for delegation in delegation_names:
targets_map = self.get_all_tags_with_expiration(namespace, repository, targets_file=delegation, targets_map=targets_map)
return targets_map
def delete_metadata(self, namespace, repository):
"""
@ -166,6 +201,25 @@ class ImplementedTUFMetadataAPI(TUFMetadataAPIInterface):
def _gun(self, namespace, repository):
return join(self._gun_prefix, namespace, repository)
def _get_signed(self, namespace, repository, targets_file):
gun = self._gun(namespace, repository)
try:
response = self._get(gun, targets_file)
signed = self._parse_signed(response.json())
return signed
except requests.exceptions.Timeout:
logger.exception('Timeout when trying to get metadata for %s', gun)
except requests.exceptions.ConnectionError:
logger.exception('Connection error when trying to get metadata for %s', gun)
except (requests.exceptions.RequestException, ValueError):
logger.exception('Failed to get metadata for %s', gun)
except Non200ResponseException as ex:
logger.exception('Failed request for %s: %s', gun, str(ex))
except InvalidMetadataException as ex:
logger.exception('Failed to parse targets from metadata', str(ex))
return None
def _parse_signed(self, json_response):
""" Attempts to parse the targets from a metadata response """

View file

@ -36,6 +36,111 @@ valid_response = {
]
}
valid_targets_with_delegation = {
"signed": {
"_type": "Targets",
"delegations": {
"keys": {
"5e71c65cb1ba794f253fa377c970a237799745adab92024522b12f5b2f1d3031": {
"keytype": "ecdsa-x509",
"keyval": {
"private": None,
"public": "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"
}
},
"78cf3c9de9d59f61391bfa183cfdc676ab4e9b179cf5c1c42019a5271d2542b0": {
"keytype": "ecdsa-x509",
"keyval": {
"private": None,
"public": "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"
}
},
"ada8b980813a887f007a1c42376c35a81cbba3b1090aae16cbffedb9004934c8": {
"keytype": "ecdsa-x509",
"keyval": {
"private": None,
"public": "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"
}
},
"e2727632903bf9d0ac6856c6e4f8cb44f443c220ecf51e2fb6b465c7d85b9169": {
"keytype": "ecdsa-x509",
"keyval": {
"private": None,
"public": "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"
}
}
},
"roles": [
{
"keyids": [
"e2727632903bf9d0ac6856c6e4f8cb44f443c220ecf51e2fb6b465c7d85b9169",
"ada8b980813a887f007a1c42376c35a81cbba3b1090aae16cbffedb9004934c8",
"78cf3c9de9d59f61391bfa183cfdc676ab4e9b179cf5c1c42019a5271d2542b0",
"5e71c65cb1ba794f253fa377c970a237799745adab92024522b12f5b2f1d3031"
],
"name": "targets/devs",
"paths": [
""
],
"threshold": 1
}
]
},
"expires": "2020-05-09T15:06:27.189711073-04:00",
"targets": {},
"version": 4
},
"signatures": [
{
"keyid": "3353687138116a5950603adbcb449e4e84e61523fb4a43c7dde33d1d2e40a934",
"method": "ecdsa",
"sig": "dbuUBGQ5FdcuRxzg9SCMQ7mym5w4xxdTezWqq9UTj4GHU75pEaTHo1oZEEud+ofI66gjA6hmqljdnOsEQ6CTYw=="
}
]
}
valid_delegation = {
"signed": {
"_type": "Targets",
"delegations": {
"keys": {},
"roles": []
},
"expires": "2020-05-09T15:25:05.840775035-04:00",
"targets": {
"191e5d9": {
"hashes": {
"sha256": "DE7i9XN+sd8vkdsJWSLlujKsATmTffzzhGBPsVYRFmg="
},
"length": 46683
},
"977ae7a": {
"hashes": {
"sha256": "a3e7naDPcCfMEJAv0JgmJ0h+qZQoGNDrdgwpN/5B5YY="
},
"length": 46682
},
"b96b871": {
"hashes": {
"sha256": "j662F+e+3eN5QBSaFLFj24khbfWIffz24f5HGLrkyvw="
},
"length": 46680
}
},
"version": 5
},
"signatures": [
{
"keyid": "78cf3c9de9d59f61391bfa183cfdc676ab4e9b179cf5c1c42019a5271d2542b0",
"method": "ecdsa",
"sig": "ZLW5DokQw3ipFGsS3I9d6xkUdFlKS1vuvtlR3/I9lGdQZUa+QfpdpiEhKIO92aTCsDZvBn1m4wwb0MukLH8fgA=="
}
]
}
@pytest.mark.parametrize('tuf_prefix,server_hostname,namespace,repo,gun', [
("quay.dev", "quay.io", "ns", "repo", "quay.dev/ns/repo"),
(None, "quay.io", "ns", "repo", "quay.io/ns/repo"),
@ -56,7 +161,7 @@ def test_gun(tuf_prefix, server_hostname, namespace, repo, gun):
(200, valid_response, (valid_response['signed']['targets'], '2020-03-30T18:55:26.594764859-04:00')),
(200, {'garbage': 'data'}, (None, None))
])
def test_get_metadata(response_code, response_body, expected):
def test_get_default_tags(response_code, response_body, expected):
app = Flask(__name__)
app.config.from_object(testconfig.TestConfig())
client = mock.Mock()
@ -67,6 +172,24 @@ def test_get_metadata(response_code, response_body, expected):
response = tuf_api.get_default_tags_with_expiration('quay', 'quay')
assert response == expected
@pytest.mark.parametrize('response_code,response_body1,response_body2,expected', [
(200, valid_targets_with_delegation, valid_delegation, {
'targets/devs': { 'targets': valid_delegation['signed']['targets'],
'expiration': valid_delegation['signed']['expires']}}),
(200, {'garbage': 'data'}, {'garbage': 'data'}, None)
])
def test_get_all_tags(response_code, response_body1, response_body2, expected):
app = Flask(__name__)
app.config.from_object(testconfig.TestConfig())
client = mock.Mock()
request = mock.Mock(status_code=response_code)
request.json.side_effect = [response_body1, response_body2, {}, {}, {}, {}]
client.request.return_value = request
tuf_api = api.TUFMetadataAPI(app, app.config, client=client)
response = tuf_api.get_all_tags_with_expiration('quay', 'quay')
assert response == expected
@pytest.mark.parametrize('connection_error,response_code,exception', [
(True, 200, requests.exceptions.Timeout),
(True, 200, requests.exceptions.ConnectionError),