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5 changes: 4 additions & 1 deletion keystoneauth_oidc/plugin.py
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
import pkce
import socket
import webbrowser
import uuid

from keystoneauth1 import _utils as utils
from keystoneauth1 import access
Expand Down Expand Up @@ -164,6 +165,7 @@ def __init__(self, auth_url, identity_provider, protocol, client_id,
self.redirect_uri = "http://%s:%s" % (self.redirect_host, self.redirect_port)
self.code_verifier = None
self.code_challenge = None
self.state = uuid.uuid4().hex
if client_secret in ['', None]:
self.code_verifier, self.code_challenge = pkce.generate_pkce_pair()

Expand Down Expand Up @@ -201,7 +203,8 @@ def _get_authorization_code(self, session):
payload = {"client_id": self.client_id,
"response_type": "code",
"scope": self.scope,
"redirect_uri": self.redirect_uri}
"redirect_uri": self.redirect_uri,
"state": self.state}

if self.code_challenge is not None:
payload.update({
Expand Down
3 changes: 2 additions & 1 deletion keystoneauth_oidc/tests/unit/test_oidc.py
Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,8 @@ def test__get_authorization_code(self,
payload = {"client_id": self.CLIENT_ID,
"response_type": "code",
"scope": self.plugin.scope,
"redirect_uri": self.plugin.redirect_uri}
"redirect_uri": self.plugin.redirect_uri,
"state": self.plugin.state}

url = "%s?%s" % (self.AUTHORIZATION_ENDPOINT,
urllib.parse.urlencode(payload))
Expand Down