JWT -> Redis (#3574)

* functional v1

* functional logout

* minor clean up

* quick clean up

* update configuration

* ni

* nit

* finalize

* update login page

* delete unused import

* quick nit

* updates

* clean up

* ni

* k

* k

backend/onyx/auth/users.py

@@ -1,3 +1,5 @@
+import json
+import secrets
 import uuid
 from collections.abc import AsyncGenerator
 from datetime import datetime
@@ -29,10 +31,8 @@ from fastapi_users import schemas
 from fastapi_users import UUIDIDMixin
 from fastapi_users.authentication import AuthenticationBackend
 from fastapi_users.authentication import CookieTransport
-from fastapi_users.authentication import JWTStrategy
+from fastapi_users.authentication import RedisStrategy
 from fastapi_users.authentication import Strategy
-from fastapi_users.authentication.strategy.db import AccessTokenDatabase
-from fastapi_users.authentication.strategy.db import DatabaseStrategy
 from fastapi_users.exceptions import UserAlreadyExists
 from fastapi_users.jwt import decode_jwt
 from fastapi_users.jwt import generate_jwt
@@ -59,6 +59,8 @@ from onyx.auth.schemas import UserUpdate
 from onyx.configs.app_configs import AUTH_TYPE
 from onyx.configs.app_configs import DISABLE_AUTH
 from onyx.configs.app_configs import EMAIL_CONFIGURED
+from onyx.configs.app_configs import REDIS_AUTH_EXPIRE_TIME_SECONDS
+from onyx.configs.app_configs import REDIS_AUTH_KEY_PREFIX
 from onyx.configs.app_configs import REQUIRE_EMAIL_VERIFICATION
 from onyx.configs.app_configs import SESSION_EXPIRE_TIME_SECONDS
 from onyx.configs.app_configs import TRACK_EXTERNAL_IDP_EXPIRY
@@ -73,7 +75,6 @@ from onyx.configs.constants import OnyxRedisLocks
 from onyx.configs.constants import PASSWORD_SPECIAL_CHARS
 from onyx.configs.constants import UNNAMED_KEY_PLACEHOLDER
 from onyx.db.api_key import fetch_user_for_api_key
-from onyx.db.auth import get_access_token_db
 from onyx.db.auth import get_default_admin_user_emails
 from onyx.db.auth import get_user_count
 from onyx.db.auth import get_user_db
@@ -81,10 +82,10 @@ from onyx.db.auth import SQLAlchemyUserAdminDB
 from onyx.db.engine import get_async_session
 from onyx.db.engine import get_async_session_with_tenant
 from onyx.db.engine import get_session_with_tenant
-from onyx.db.models import AccessToken
 from onyx.db.models import OAuthAccount
 from onyx.db.models import User
 from onyx.db.users import get_user_by_email
+from onyx.redis.redis_pool import get_async_redis_connection
 from onyx.redis.redis_pool import get_redis_client
 from onyx.utils.logger import setup_logger
 from onyx.utils.telemetry import create_milestone_and_report
@@ -581,49 +582,70 @@ cookie_transport = CookieTransport(
 )
 
 
-# This strategy is used to add tenant_id to the JWT token
-class TenantAwareJWTStrategy(JWTStrategy):
-    async def _create_token_data(self, user: User, impersonate: bool = False) -> dict:
+def get_redis_strategy() -> RedisStrategy:
+    return TenantAwareRedisStrategy()
+
+
+class TenantAwareRedisStrategy(RedisStrategy[User, uuid.UUID]):
+    """
+    A custom strategy that fetches the actual async Redis connection inside each method.
+    We do NOT pass a synchronous or "coroutine" redis object to the constructor.
+    """
+
+    def __init__(
+        self,
+        lifetime_seconds: Optional[int] = REDIS_AUTH_EXPIRE_TIME_SECONDS,
+        key_prefix: str = REDIS_AUTH_KEY_PREFIX,
+    ):
+        self.lifetime_seconds = lifetime_seconds
+        self.key_prefix = key_prefix
+
+    async def write_token(self, user: User) -> str:
+        redis = await get_async_redis_connection()
+
         tenant_id = await fetch_ee_implementation_or_noop(
             "onyx.server.tenants.provisioning",
             "get_or_provision_tenant",
             async_return_default_schema,
-        )(
-            email=user.email,
-        )
+        )(email=user.email)
 
-        data = {
+        token_data = {
             "sub": str(user.id),
-            "aud": self.token_audience,
             "tenant_id": tenant_id,
         }
-        return data
-
-    async def write_token(self, user: User) -> str:
-        data = await self._create_token_data(user)
-        return generate_jwt(
-            data, self.encode_key, self.lifetime_seconds, algorithm=self.algorithm
+        token = secrets.token_urlsafe()
+        await redis.set(
+            f"{self.key_prefix}{token}",
+            json.dumps(token_data),
+            ex=self.lifetime_seconds,
         )
+        return token
 
+    async def read_token(
+        self, token: Optional[str], user_manager: BaseUserManager[User, uuid.UUID]
+    ) -> Optional[User]:
+        redis = await get_async_redis_connection()
+        token_data_str = await redis.get(f"{self.key_prefix}{token}")
+        if not token_data_str:
+            return None
 
-def get_jwt_strategy() -> TenantAwareJWTStrategy:
-    return TenantAwareJWTStrategy(
-        secret=USER_AUTH_SECRET,
-        lifetime_seconds=SESSION_EXPIRE_TIME_SECONDS,
-    )
+        try:
+            token_data = json.loads(token_data_str)
+            user_id = token_data["sub"]
+            parsed_id = user_manager.parse_id(user_id)
+            return await user_manager.get(parsed_id)
+        except (exceptions.UserNotExists, exceptions.InvalidID, KeyError):
+            return None
 
-
-def get_database_strategy(
-    access_token_db: AccessTokenDatabase[AccessToken] = Depends(get_access_token_db),
-) -> DatabaseStrategy:
-    return DatabaseStrategy(
-        access_token_db, lifetime_seconds=SESSION_EXPIRE_TIME_SECONDS  # type: ignore
-    )
+    async def destroy_token(self, token: str, user: User) -> None:
+        """Properly delete the token from async redis."""
+        redis = await get_async_redis_connection()
+        await redis.delete(f"{self.key_prefix}{token}")
 
 
 auth_backend = AuthenticationBackend(
-    name="jwt", transport=cookie_transport, get_strategy=get_jwt_strategy
-)  # type: ignore
+    name="redis", transport=cookie_transport, get_strategy=get_redis_strategy
+)
 
 
 class FastAPIUserWithLogoutRouter(FastAPIUsers[models.UP, models.ID]):