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"""
"""
from keycloak.exceptions import raise_error_from_response, KeycloakGetError
from .urls_patterns import URL_AUTH, URL_TOKEN, URL_USERINFO, URL_WELL_KNOWN, URL_LOGOUT, \
URL_CERTS, URL_ENTITLEMENT
from .connection import ConnectionManager
class Keycloak:
def __init__(self, server_url, client_id, realm_name, client_secret_key=None):
self.__client_id = client_id
self.__client_secret_key = client_secret_key
self.__realm_name = realm_name
self.__connection = ConnectionManager(base_url=server_url,
headers={},
timeout=60)
def well_know(self):
""" The most important endpoint to understand is the well-known configuration
endpoint. It lists endpoints and other configuration options relevant to
the OpenID Connect implementation in Keycloak.
:return It lists endpoints and other configuration options relevant.
"""
params_path = {"realm-name": self.__realm_name}
data_raw = self.__connection.raw_get(URL_WELL_KNOWN.format(**params_path))
return raise_error_from_response(data_raw, KeycloakGetError)
def auth_url(self, redirect_uri):
"""
http://openid.net/specs/openid-connect-core-1_0.html#AuthorizationEndpoint
:return:
"""
return NotImplemented
def token(self, username, password, grant_type=["password",]):
"""
The token endpoint is used to obtain tokens. Tokens can either be obtained by
exchanging an authorization code or by supplying credentials directly depending on
what flow is used. The token endpoint is also used to obtain new access tokens
when they expire.
http://openid.net/specs/openid-connect-core-1_0.html#TokenEndpoint
:param username:
:param password:
:param grant_type:
:return:
"""
params_path = {"realm-name": self.__realm_name}
payload = {"username": username, "password": password,
"client_id": self.__client_id, "grant_type": grant_type}
if self.__client_secret_key:
payload.update({"client_secret": self.__client_secret_key})
data_raw = self.__connection.raw_post(URL_TOKEN.format(**params_path),
data=payload)
return raise_error_from_response(data_raw, KeycloakGetError)
def userinfo(self, token):
"""
The userinfo endpoint returns standard claims about the authenticated user,
and is protected by a bearer token.
http://openid.net/specs/openid-connect-core-1_0.html#UserInfo
:param token:
:return:
"""
self.__connection.add_param_headers("Authorization", "Bearer " + token)
params_path = {"realm-name": self.__realm_name}
data_raw = self.__connection.raw_get(URL_USERINFO.format(**params_path))
return raise_error_from_response(data_raw, KeycloakGetError)
def logout(self, refresh_token):
"""
The logout endpoint logs out the authenticated user.
:param refresh_token:
:return:
"""
params_path = {"realm-name": self.__realm_name}
payload = {"client_id": self.__client_id, "refresh_token": refresh_token}
if self.__client_secret_key:
payload.update({"client_secret": self.__client_secret_key})
data_raw = self.__connection.raw_post(URL_LOGOUT.format(**params_path),
data=payload)
return raise_error_from_response(data_raw, KeycloakGetError, expected_code=204)
def certs(self):
"""
The certificate endpoint returns the public keys enabled by the realm, encoded as a
JSON Web Key (JWK). Depending on the realm settings there can be one or more keys enabled
for verifying tokens.
https://tools.ietf.org/html/rfc7517
:return:
"""
params_path = {"realm-name": self.__realm_name}
data_raw = self.__connection.raw_get(URL_CERTS.format(**params_path))
return raise_error_from_response(data_raw, KeycloakGetError)
def entitlement(self, token, resource_server_id):
"""
Client applications can use a specific endpoint to obtain a special security token
called a requesting party token (RPT). This token consists of all the entitlements
(or permissions) for a user as a result of the evaluation of the permissions and authorization
policies associated with the resources being requested. With an RPT, client applications can
gain access to protected resources at the resource server.
:return:
"""
self.__connection.add_param_headers("Authorization", "Bearer " + token)
params_path = {"realm-name": self.__realm_name, "resource-server-id": resource_server_id}
data_raw = self.__connection.raw_get(URL_ENTITLEMENT.format(**params_path))
return raise_error_from_response(data_raw, KeycloakGetError)
def instropect(self, token, token_type_hint="requesting_party_token"):
"""
The introspection endpoint is used to retrieve the active state of a token. It is can only be
invoked by confidential clients.
https://tools.ietf.org/html/rfc7662
:param token:
:return:
"""
return None