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authorFrederick Muriuki Muriithi2023-08-04 10:10:28 +0300
committerFrederick Muriuki Muriithi2023-08-04 10:20:09 +0300
commit8b7c598407a5fea9a3d78473e72df87606998cd4 (patch)
tree8526433a17eca6b511feb082a0574f9b15cb9469 /gn_auth/auth/authentication/oauth2/endpoints/introspection.py
parentf7fcbbcc014686ac597b783a8dcb38b43024b9d6 (diff)
downloadgn-auth-8b7c598407a5fea9a3d78473e72df87606998cd4.tar.gz
Copy over files from GN3 repository.
Diffstat (limited to 'gn_auth/auth/authentication/oauth2/endpoints/introspection.py')
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diff --git a/gn_auth/auth/authentication/oauth2/endpoints/introspection.py b/gn_auth/auth/authentication/oauth2/endpoints/introspection.py
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+"""Handle introspection of tokens."""
+import datetime
+from urllib.parse import urlparse
+
+from flask import request as flask_request
+from authlib.oauth2.rfc7662 import (
+ IntrospectionEndpoint as _IntrospectionEndpoint)
+
+from gn3.auth.authentication.oauth2.models.oauth2token import OAuth2Token
+
+from .utilities import query_token as _query_token
+
+def get_token_user_sub(token: OAuth2Token) -> str:# pylint: disable=[unused-argument]
+ """
+ Return the token's subject as defined in
+ https://datatracker.ietf.org/doc/html/rfc7519#section-4.1.2
+ """
+ ## For now a dummy return to prevent issues.
+ return "sub"
+
+class IntrospectionEndpoint(_IntrospectionEndpoint):
+ """Introspect token."""
+ def query_token(self, token_string: str, token_type_hint: str):
+ """Query the token."""
+ return _query_token(self, token_string, token_type_hint)
+
+ def introspect_token(self, token: OAuth2Token) -> dict:# pylint: disable=[no-self-use]
+ """Return the introspection information."""
+ url = urlparse(flask_request.url)
+ return {
+ "active": True,
+ "scope": token.get_scope(),
+ "client_id": token.client.client_id,
+ "username": token.user.name,
+ "token_type": token.token_type,
+ "exp": int(token.expires_at.timestamp()),
+ "iat": int(token.issued_at.timestamp()),
+ "nbf": int(
+ (token.issued_at - datetime.timedelta(seconds=120)).timestamp()),
+ # "sub": get_token_user_sub(token),
+ "aud": token.client.client_id,
+ "iss": f"{url.scheme}://{url.netloc}",
+ "jti": token.token_id
+ }
+
+ def check_permission(self, token, client, request):# pylint: disable=[unused-argument, no-self-use]
+ """Check that the client has permission to introspect token."""
+ return client.client_type == "internal"