From e856c43aa538c03afddb1b9424a0bac7408639d5 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Wed, 9 Oct 2024 16:29:16 -0500
Subject: Add a client to the JWTBearerToken objects.

---
 .../auth/authentication/oauth2/grants/jwt_bearer_grant.py |  3 ++-
 .../auth/authentication/oauth2/models/jwt_bearer_token.py | 15 +++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/gn_auth/auth/authentication/oauth2/grants/jwt_bearer_grant.py b/gn_auth/auth/authentication/oauth2/grants/jwt_bearer_grant.py
index 1f53186..975cd68 100644
--- a/gn_auth/auth/authentication/oauth2/grants/jwt_bearer_grant.py
+++ b/gn_auth/auth/authentication/oauth2/grants/jwt_bearer_grant.py
@@ -31,7 +31,8 @@ class JWTBearerTokenGenerator(_JWTBearerTokenGenerator):
                 for key, value in tokendata.items()
             },
             "sub": str(tokendata["sub"]),
-            "jti": str(uuid.uuid4())
+            "jti": str(uuid.uuid4()),
+            "oauth2_client_id": str(client.client_id)
         }
 
 
diff --git a/gn_auth/auth/authentication/oauth2/models/jwt_bearer_token.py b/gn_auth/auth/authentication/oauth2/models/jwt_bearer_token.py
index 2606ac6..cca75f4 100644
--- a/gn_auth/auth/authentication/oauth2/models/jwt_bearer_token.py
+++ b/gn_auth/auth/authentication/oauth2/models/jwt_bearer_token.py
@@ -5,11 +5,26 @@ from authlib.oauth2.rfc7523 import JWTBearerToken as _JWTBearerToken
 
 from gn_auth.auth.db.sqlite3 import with_db_connection
 from gn_auth.auth.authentication.users import user_by_id
+from gn_auth.auth.authentication.oauth2.models.oauth2client import (
+    client as fetch_client)
 
 class JWTBearerToken(_JWTBearerToken):
     """Overrides default JWTBearerToken class."""
 
     def __init__(self, payload, header, options=None, params=None):
+        """Initialise the bearer token."""
+        # TOD0: Maybe remove this init and make this a dataclass like the way
+        #       OAuth2Client is a dataclass
         super().__init__(payload, header, options, params)
         self.user = with_db_connection(
             lambda conn:user_by_id(conn, uuid.UUID(payload["sub"])))
+        self.client = with_db_connection(
+            lambda conn: fetch_client(
+                conn, uuid.UUID(payload["oauth2_client_id"])
+            )
+        ).maybe(None, lambda _client: _client)
+
+
+    def check_client(self, client):
+        """Check that the client is right."""
+        return self.client.get_client_id() == client.get_client_id()
-- 
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