async def test_macaroon_auth(event_loop):
auth_info, username = agent_auth_info()
# Create a bakery client that can do agent authentication.
client = httpbakery.Client(
key=auth_info.key,
interaction_methods=[agent.AgentInteractor(auth_info)],
)
async with base.CleanModel(bakery_client=client) as m:
async with await m.get_controller() as c:
await c.grant_model(username, m.info.uuid, 'admin')
async with Model(
jujudata=NoAccountsJujuData(m._connector.jujudata),
bakery_client=client,
):
pass
async def test_macaroon_auth_with_unauthorized_user(event_loop):
auth_info, username = agent_auth_info()
# Create a bakery client can do agent authentication.
client = httpbakery.Client(
key=auth_info.key,
interaction_methods=[agent.AgentInteractor(auth_info)],
)
async with base.CleanModel(bakery_client=client) as m:
# Note: no grant of rights to the agent user.
try:
async with Model(
jujudata=NoAccountsJujuData(m._connector.jujudata),
bakery_client=client,
):
pytest.fail('Should not be able to connect without grant')
except JujuAPIError:
# We're expecting this because we're using the
# wrong user name.
pass
async def test_macaroon_auth_with_bad_key(event_loop):
auth_info, username = agent_auth_info()
# Use a random key rather than the correct key.
auth_info = auth_info._replace(key=bakery.generate_key())
# Create a bakery client can do agent authentication.
client = httpbakery.Client(
key=auth_info.key,
interaction_methods=[agent.AgentInteractor(auth_info)],
)
async with base.CleanModel(bakery_client=client) as m:
async with await m.get_controller() as c:
await c.grant_model(username, m.info.uuid, 'admin')
try:
async with Model(
jujudata=NoAccountsJujuData(m._connector.jujudata),
bakery_client=client,
):
pytest.fail('Should not be able to connect with invalid key')
except httpbakery.BakeryException:
# We're expecting this because we're using the
# wrong key.
pass
def test_agent_legacy(self):
discharge_key = bakery.generate_key()
class _DischargerLocator(bakery.ThirdPartyLocator):
def third_party_info(self, loc):
if loc == 'http://0.3.2.1':
return bakery.ThirdPartyInfo(
public_key=discharge_key.public_key,
version=bakery.LATEST_VERSION,
)
d = _DischargerLocator()
server_key = bakery.generate_key()
server_bakery = bakery.Bakery(key=server_key, locator=d)
@urlmatch(path='.*/here')
def server_get(url, request):
ctx = checkers.AuthContext()
test_ops = [bakery.Op(entity='test-op', action='read')]
auth_checker = server_bakery.checker.auth(
httpbakery.extract_macaroons(request.headers))
try:
auth_checker.allow(ctx, test_ops)
resp = response(status_code=200, content='done')
except bakery.PermissionDenied:
caveats = [
checkers.Caveat(location='http://0.3.2.1',
condition='is-ok')
]
m = server_bakery.oven.macaroon(version=bakery.LATEST_VERSION,
expiry=datetime.utcnow() +
timedelta(days=1),
caveats=caveats,
ops=test_ops)
content, headers = httpbakery.discharge_required_response(
m, '/', 'test', 'message')
resp = response(
status_code=401,
content=content,
headers=headers,
)
return request.hooks['response'][0](resp)
class InfoStorage:
info = None
@urlmatch(path='.*/discharge')
def discharge(url, request):
qs = parse_qs(request.body)
if qs.get('caveat64') is not None:
content = {q: qs[q][0] for q in qs}
class InteractionRequiredError(Exception):
def __init__(self, error):
self.error = error
class CheckerInError(bakery.ThirdPartyCaveatChecker):
def check_third_party_caveat(self, ctx, info):
InfoStorage.info = info
raise InteractionRequiredError(
httpbakery.Error(
code=httpbakery.ERR_INTERACTION_REQUIRED,
version=httpbakery.request_version(
request.headers),
message='interaction required',
info=httpbakery.ErrorInfo(
wait_url='http://0.3.2.1/wait?'
'dischargeid=1',
visit_url='http://0.3.2.1/visit?'
'dischargeid=1'),
), )
try:
httpbakery.discharge(checkers.AuthContext(), content,
discharge_key, None, CheckerInError())
except InteractionRequiredError as exc:
return response(
status_code=401,
content={
'Code': exc.error.code,
'Message': exc.error.message,
'Info': {
'WaitURL': exc.error.info.wait_url,
'VisitURL': exc.error.info.visit_url,
},
},
headers={'Content-Type': 'application/json'})
key = bakery.generate_key()
@urlmatch(path='.*/visit?$')
def visit(url, request):
if request.headers.get('Accept') == 'application/json':
return {'status_code': 200, 'content': {'agent': request.url}}
cs = SimpleCookie()
cookies = request.headers.get('Cookie')
if cookies is not None:
cs.load(str(cookies))
public_key = None
for c in cs:
if c == 'agent-login':
json_cookie = json.loads(
base64.b64decode(cs[c].value).decode('utf-8'))
public_key = bakery.PublicKey.deserialize(
json_cookie.get('public_key'))
ms = httpbakery.extract_macaroons(request.headers)
if len(ms) == 0:
b = bakery.Bakery(key=discharge_key)
m = b.oven.macaroon(
version=bakery.LATEST_VERSION,
expiry=datetime.utcnow() + timedelta(days=1),
caveats=[
bakery.local_third_party_caveat(
public_key,
version=httpbakery.request_version(
request.headers))
],
ops=[bakery.Op(entity='agent', action='login')])
content, headers = httpbakery.discharge_required_response(
m, '/', 'test', 'message')
resp = response(status_code=401,
content=content,
headers=headers)
return request.hooks['response'][0](resp)
return {'status_code': 200, 'content': {'agent-login': True}}
@urlmatch(path='.*/wait?$')
def wait(url, request):
class EmptyChecker(bakery.ThirdPartyCaveatChecker):
def check_third_party_caveat(self, ctx, info):
return []
if InfoStorage.info is None:
self.fail('visit url has not been visited')
m = bakery.discharge(
checkers.AuthContext(),
InfoStorage.info.id,
InfoStorage.info.caveat,
discharge_key,
EmptyChecker(),
_DischargerLocator(),
)
return {'status_code': 200, 'content': {'Macaroon': m.to_dict()}}
with HTTMock(server_get), \
HTTMock(discharge), \
HTTMock(visit), \
HTTMock(wait):
client = httpbakery.Client(interaction_methods=[
agent.AgentInteractor(
agent.AuthInfo(
key=key,
agents=[
agent.Agent(username='******',
url=u'http://0.3.2.1')
],
), ),
])
resp = requests.get(
'http://0.1.2.3/here',
cookies=client.cookies,
auth=client.auth(),
)
self.assertEquals(resp.content, b'done')
def test_agent_login(self):
discharge_key = bakery.generate_key()
class _DischargerLocator(bakery.ThirdPartyLocator):
def third_party_info(self, loc):
if loc == 'http://0.3.2.1':
return bakery.ThirdPartyInfo(
public_key=discharge_key.public_key,
version=bakery.LATEST_VERSION,
)
d = _DischargerLocator()
server_key = bakery.generate_key()
server_bakery = bakery.Bakery(key=server_key, locator=d)
@urlmatch(path='.*/here')
def server_get(url, request):
ctx = checkers.AuthContext()
test_ops = [bakery.Op(entity='test-op', action='read')]
auth_checker = server_bakery.checker.auth(
httpbakery.extract_macaroons(request.headers))
try:
auth_checker.allow(ctx, test_ops)
resp = response(status_code=200, content='done')
except bakery.PermissionDenied:
caveats = [
checkers.Caveat(location='http://0.3.2.1',
condition='is-ok')
]
m = server_bakery.oven.macaroon(version=bakery.LATEST_VERSION,
expiry=datetime.utcnow() +
timedelta(days=1),
caveats=caveats,
ops=test_ops)
content, headers = httpbakery.discharge_required_response(
m, '/', 'test', 'message')
resp = response(status_code=401,
content=content,
headers=headers)
return request.hooks['response'][0](resp)
@urlmatch(path='.*/discharge')
def discharge(url, request):
qs = parse_qs(request.body)
if qs.get('token64') is None:
return response(status_code=401,
content={
'Code':
httpbakery.ERR_INTERACTION_REQUIRED,
'Message': 'interaction required',
'Info': {
'InteractionMethods': {
'agent': {
'login-url': '/login'
},
},
},
},
headers={'Content-Type': 'application/json'})
else:
qs = parse_qs(request.body)
content = {q: qs[q][0] for q in qs}
m = httpbakery.discharge(checkers.AuthContext(), content,
discharge_key, None, alwaysOK3rd)
return {
'status_code': 200,
'content': {
'Macaroon': m.serialize_json()
}
}
key = bakery.generate_key()
@urlmatch(path='.*/login')
def login(url, request):
b = bakery.Bakery(key=discharge_key)
m = b.oven.macaroon(
version=bakery.LATEST_VERSION,
expiry=datetime.utcnow() + timedelta(days=1),
caveats=[
bakery.local_third_party_caveat(
key.public_key,
version=httpbakery.request_version(request.headers))
],
ops=[bakery.Op(entity='agent', action='login')])
return {'status_code': 200, 'content': {'macaroon': m.to_dict()}}
with HTTMock(server_get), \
HTTMock(discharge), \
HTTMock(login):
client = httpbakery.Client(interaction_methods=[
agent.AgentInteractor(
agent.AuthInfo(
key=key,
agents=[
agent.Agent(username='******',
url=u'http://0.3.2.1')
],
), ),
])
resp = requests.get('http://0.1.2.3/here',
cookies=client.cookies,
auth=client.auth())
self.assertEquals(resp.content, b'done')
