def build_token_values(token_data):
token_values = {
'expires_at':
timeutils.normalize_time(
timeutils.parse_isotime(token_data['expires_at'])),
'issued_at':
timeutils.normalize_time(
timeutils.parse_isotime(token_data['issued_at']))
}
user = token_data.get('user')
if user is not None:
token_values['user_id'] = user['id']
token_values['identity_domain_id'] = user['domain']['id']
else:
token_values['user_id'] = None
token_values['identity_domain_id'] = None
project = token_data.get('project', token_data.get('tenant'))
if project is not None:
token_values['project_id'] = project['id']
token_values['assignment_domain_id'] = project['domain']['id']
else:
token_values['project_id'] = None
token_values['assignment_domain_id'] = None
role_list = []
roles = token_data.get('roles')
if roles is not None:
for role in roles:
role_list.append(role['id'])
token_values['roles'] = role_list
trust = token_data.get('OS-TRUST:trust')
if trust is None:
token_values['trust_id'] = None
token_values['trustor_id'] = None
token_values['trustee_id'] = None
else:
token_values['trust_id'] = trust['id']
token_values['trustor_id'] = trust['trustor_user']['id']
token_values['trustee_id'] = trust['trustee_user']['id']
oauth1 = token_data.get('OS-OAUTH1')
if oauth1 is None:
token_values['consumer_id'] = None
token_values['access_token_id'] = None
else:
token_values['consumer_id'] = oauth1['consumer_id']
token_values['access_token_id'] = oauth1['access_token_id']
return token_values
def build_token_values(token_data):
token_values = {
'expires_at': timeutils.normalize_time(
timeutils.parse_isotime(token_data['expires_at'])),
'issued_at': timeutils.normalize_time(
timeutils.parse_isotime(token_data['issued_at']))}
user = token_data.get('user')
if user is not None:
token_values['user_id'] = user['id']
token_values['identity_domain_id'] = user['domain']['id']
else:
token_values['user_id'] = None
token_values['identity_domain_id'] = None
project = token_data.get('project', token_data.get('tenant'))
if project is not None:
token_values['project_id'] = project['id']
token_values['assignment_domain_id'] = project['domain']['id']
else:
token_values['project_id'] = None
token_values['assignment_domain_id'] = None
role_list = []
roles = token_data.get('roles')
if roles is not None:
for role in roles:
role_list.append(role['id'])
token_values['roles'] = role_list
trust = token_data.get('OS-TRUST:trust')
if trust is None:
token_values['trust_id'] = None
token_values['trustor_id'] = None
token_values['trustee_id'] = None
else:
token_values['trust_id'] = trust['id']
token_values['trustor_id'] = trust['trustor_user']['id']
token_values['trustee_id'] = trust['trustee_user']['id']
oauth1 = token_data.get('OS-OAUTH1')
if oauth1 is None:
token_values['consumer_id'] = None
token_values['access_token_id'] = None
else:
token_values['consumer_id'] = oauth1['consumer_id']
token_values['access_token_id'] = oauth1['access_token_id']
return token_values
def _request_admin_token(self):
"""Retrieve new token as admin user from keystone.
:return token id upon success
:raises ServerError when unable to communicate with keystone
"""
params = {
'auth': {
'passwordCredentials': {
'username': self.admin_user,
'password': self.admin_password,
},
'tenantName': self.admin_tenant_name,
}
}
response, data = self._json_request('POST',
'/v2.0/tokens',
body=params)
try:
token = data['access']['token']['id']
expiry = data['access']['token']['expires']
assert token
assert expiry
datetime_expiry = timeutils.parse_isotime(expiry)
return (token, timeutils.normalize_time(datetime_expiry))
except (AssertionError, KeyError):
LOG.warn("Unexpected response from keystone service: %s", data)
raise ServiceError('invalid json response')
except (ValueError):
LOG.warn("Unable to parse expiration time from token: %s", data)
raise ServiceError('invalid json response')
def _request_admin_token(self):
"""Retrieve new token as admin user from keystone.
:return token id upon success
:raises ServerError when unable to communicate with keystone
"""
params = {
"auth": {
"passwordCredentials": {"username": self.admin_user, "password": self.admin_password},
"tenantName": self.admin_tenant_name,
}
}
response, data = self._json_request("POST", "/v2.0/tokens", body=params)
try:
token = data["access"]["token"]["id"]
expiry = data["access"]["token"]["expires"]
assert token
assert expiry
datetime_expiry = timeutils.parse_isotime(expiry)
return (token, timeutils.normalize_time(datetime_expiry))
except (AssertionError, KeyError):
self.LOG.warn("Unexpected response from keystone service: %s", data)
raise ServiceError("invalid json response")
except (ValueError):
self.LOG.warn("Unable to parse expiration time from token: %s", data)
raise ServiceError("invalid json response")
def _request_admin_token(self):
"""Retrieve new token as admin user from keystone.
:return token id upon success
:raises ServerError when unable to communicate with keystone
"""
params = {
'auth': {
'passwordCredentials': {
'username': self.admin_user,
'password': self.admin_password,
},
'tenantName': self.admin_tenant_name,
}
}
response, data = self._json_request('POST',
'/v2.0/tokens',
body=params)
try:
token = data['access']['token']['id']
expiry = data['access']['token']['expires']
assert token
assert expiry
datetime_expiry = timeutils.parse_isotime(expiry)
return (token, timeutils.normalize_time(datetime_expiry))
except (AssertionError, KeyError):
LOG.warn("Unexpected response from keystone service: %s", data)
raise ServiceError('invalid json response')
except (ValueError):
LOG.warn("Unable to parse expiration time from token: %s", data)
raise ServiceError('invalid json response')
def _cache_get(self, token_id, ignore_expires=False):
"""Return token information from cache.
If token is invalid raise InvalidUserToken
return token only if fresh (not expired).
"""
if self._cache and token_id:
if self._memcache_security_strategy is None:
key = CACHE_KEY_TEMPLATE % token_id
serialized = self._cache.get(key)
else:
keys = memcache_crypt.derive_keys(
token_id,
self._memcache_secret_key,
self._memcache_security_strategy)
cache_key = CACHE_KEY_TEMPLATE % (
memcache_crypt.get_cache_key(keys))
raw_cached = self._cache.get(cache_key)
try:
# unprotect_data will return None if raw_cached is None
serialized = memcache_crypt.unprotect_data(keys,
raw_cached)
except Exception:
msg = 'Failed to decrypt/verify cache data'
self.LOG.exception(msg)
# this should have the same effect as data not
# found in cache
serialized = None
if serialized is None:
return None
# Note that 'invalid' and (data, expires) are the only
# valid types of serialized cache entries, so there is not
# a collision with jsonutils.loads(serialized) == None.
cached = jsonutils.loads(serialized)
if cached == 'invalid':
self.LOG.debug('Cached Token %s is marked unauthorized',
token_id)
raise InvalidUserToken('Token authorization failed')
data, expires = cached
try:
expires = timeutils.parse_isotime(expires)
except ValueError:
# Gracefully handle upgrade of expiration times from *nix
# timestamps to ISO 8601 formatted dates by ignoring old cached
# values.
return
expires = timeutils.normalize_time(expires)
utcnow = timeutils.utcnow()
if ignore_expires or utcnow < expires:
self.LOG.debug('Returning cached token %s', token_id)
return data
else:
self.LOG.debug('Cached Token %s seems expired', token_id)
def _cache_get(self, token_id, ignore_expires=False):
"""Return token information from cache.
If token is invalid raise InvalidUserToken
return token only if fresh (not expired).
"""
if self._cache and token_id:
if self._memcache_security_strategy is None:
key = CACHE_KEY_TEMPLATE % token_id
serialized = self._cache.get(key)
else:
keys = memcache_crypt.derive_keys(
token_id, self._memcache_secret_key,
self._memcache_security_strategy)
cache_key = CACHE_KEY_TEMPLATE % (
memcache_crypt.get_cache_key(keys))
raw_cached = self._cache.get(cache_key)
try:
# unprotect_data will return None if raw_cached is None
serialized = memcache_crypt.unprotect_data(
keys, raw_cached)
except Exception:
msg = 'Failed to decrypt/verify cache data'
self.LOG.exception(msg)
# this should have the same effect as data not
# found in cache
serialized = None
if serialized is None:
return None
# Note that 'invalid' and (data, expires) are the only
# valid types of serialized cache entries, so there is not
# a collision with jsonutils.loads(serialized) == None.
cached = jsonutils.loads(serialized)
if cached == 'invalid':
self.LOG.debug('Cached Token %s is marked unauthorized',
token_id)
raise InvalidUserToken('Token authorization failed')
data, expires = cached
try:
expires = timeutils.parse_isotime(expires)
except ValueError:
# Gracefully handle upgrade of expiration times from *nix
# timestamps to ISO 8601 formatted dates by ignoring old cached
# values.
return
expires = timeutils.normalize_time(expires)
utcnow = timeutils.utcnow()
if ignore_expires or utcnow < expires:
self.LOG.debug('Returning cached token %s', token_id)
return data
else:
self.LOG.debug('Cached Token %s seems expired', token_id)
def build_token_values_v2(access, default_domain_id):
token_data = access['token']
token_values = {
'expires_at':
timeutils.normalize_time(timeutils.parse_isotime(
token_data['expires'])),
'issued_at':
timeutils.normalize_time(
timeutils.parse_isotime(token_data['issued_at']))
}
token_values['user_id'] = access.get('user', {}).get('id')
project = token_data.get('tenant')
if project is not None:
token_values['project_id'] = project['id']
else:
token_values['project_id'] = None
token_values['identity_domain_id'] = default_domain_id
token_values['assignment_domain_id'] = default_domain_id
trust = token_data.get('trust')
if trust is None:
token_values['trust_id'] = None
token_values['trustor_id'] = None
token_values['trustee_id'] = None
else:
token_values['trust_id'] = trust['id']
token_values['trustor_id'] = trust['trustor_id']
token_values['trustee_id'] = trust['trustee_id']
token_values['consumer_id'] = None
token_values['access_token_id'] = None
role_list = []
# Roles are by ID in metadata and by name in the user section
roles = access.get('metadata', {}).get('roles', [])
for role in roles:
role_list.append(role)
token_values['roles'] = role_list
return token_values
def will_expire_soon(self, stale_duration=None):
"""Determines if expiration is about to occur.
:return: boolean : true if expiration is within the given duration
"""
stale_duration = STALE_TOKEN_DURATION if stale_duration is None else stale_duration
norm_expires = timeutils.normalize_time(self.expires)
# (gyee) should we move auth_token.will_expire_soon() to timeutils
# instead of duplicating code here?
soon = timeutils.utcnow() + datetime.timedelta(seconds=stale_duration)
return norm_expires < soon
def build_token_values_v2(access, default_domain_id):
token_data = access['token']
token_values = {
'expires_at': timeutils.normalize_time(
timeutils.parse_isotime(token_data['expires'])),
'issued_at': timeutils.normalize_time(
timeutils.parse_isotime(token_data['issued_at']))}
token_values['user_id'] = access.get('user', {}).get('id')
project = token_data.get('tenant')
if project is not None:
token_values['project_id'] = project['id']
else:
token_values['project_id'] = None
token_values['identity_domain_id'] = default_domain_id
token_values['assignment_domain_id'] = default_domain_id
trust = token_data.get('trust')
if trust is None:
token_values['trust_id'] = None
token_values['trustor_id'] = None
token_values['trustee_id'] = None
else:
token_values['trust_id'] = trust['id']
token_values['trustor_id'] = trust['trustor_id']
token_values['trustee_id'] = trust['trustee_id']
token_values['consumer_id'] = None
token_values['access_token_id'] = None
role_list = []
# Roles are by ID in metadata and by name in the user section
roles = access.get('metadata', {}).get('roles', [])
for role in roles:
role_list.append(role)
token_values['roles'] = role_list
return token_values
def will_expire_soon(self, stale_duration=None):
""" Determines if expiration is about to occur.
:return: boolean : true if expiration is within the given duration
"""
stale_duration = stale_duration or TALE_TOKEN_DURATION
norm_expires = timeutils.normalize_time(self.expires)
# (gyee) should we move auth_token.will_expire_soon() to timeutils
# instead of duplicating code here?
soon = (timeutils.utcnow() +
datetime.timedelta(seconds=stale_duration))
return norm_expires < soon
def confirm_token_not_expired(data):
if not data:
raise InvalidUserToken('Token authorization failed')
if _token_is_v2(data):
timestamp = data['access']['token']['expires']
elif _token_is_v3(data):
timestamp = data['token']['expires_at']
else:
raise InvalidUserToken('Token authorization failed')
expires = timeutils.parse_isotime(timestamp)
expires = timeutils.normalize_time(expires)
utcnow = timeutils.utcnow()
if utcnow >= expires:
raise InvalidUserToken('Token authorization failed')
return timeutils.isotime(at=expires, subsecond=True)
def confirm_token_not_expired(data):
if not data:
raise InvalidUserToken('Token authorization failed')
if _token_is_v2(data):
timestamp = data['access']['token']['expires']
elif _token_is_v3(data):
timestamp = data['token']['expires_at']
else:
raise InvalidUserToken('Token authorization failed')
expires = timeutils.parse_isotime(timestamp)
expires = timeutils.normalize_time(expires)
utcnow = timeutils.utcnow()
if utcnow >= expires:
raise InvalidUserToken('Token authorization failed')
return timeutils.isotime(at=expires, subsecond=True)
