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"""
"""
import json
from keycloak.exceptions import raise_error_from_response, KeycloakGetError
from .urls_patterns import URL_AUTH, URL_TOKEN, URL_USERINFO, URL_WELL_KNOWN, URL_LOGOUT
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))
raise_error_from_response(data_raw, KeycloakGetError)
return json.loads(data_raw.text)
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)
raise_error_from_response(data_raw, KeycloakGetError)
return json.loads(data_raw.text)
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))
raise_error_from_response(data_raw, KeycloakGetError)
return json.loads(data_raw.text)
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)
raise_error_from_response(data_raw, KeycloakGetError, expected_code=204)
return None