LiteLLM Minor Fixes & Improvements (11/27/2024) (#6943)

* fix(http_parsing_utils.py): remove `ast.literal_eval()` from http utils

Security fix - https://huntr.com/bounties/96a32812-213c-4819-ba4e-36143d35e95b?token=bf414bbd77f8b346556e
64ab2dd9301ea44339910877ea50401c76f977e36cdd78272f5fb4ca852a88a7e832828aae1192df98680544ee24aa98f3cf6980d8
bab641a66b7ccbc02c0e7d4ddba2db4dbe7318889dc0098d8db2d639f345f574159814627bb084563bad472e2f990f825bff0878a9
e281e72c88b4bc5884d637d186c0d67c9987c57c3f0caf395aff07b89ad2b7220d1dd7d1b427fd2260b5f01090efce5250f8b56ea2
c0ec19916c24b23825d85ce119911275944c840a1340d69e23ca6a462da610

* fix(converse/transformation.py): support bedrock apac cross region inference

Fixes https://github.com/BerriAI/litellm/issues/6905

* fix(user_api_key_auth.py): add auth check for websocket endpoint

Fixes https://github.com/BerriAI/litellm/issues/6926

* fix(user_api_key_auth.py): use `model` from query param

* fix: fix linting error

* test: run flaky tests first

litellm/proxy/_new_secret_config.yaml

@@ -11,7 +11,11 @@ model_list:
       model: vertex_ai/claude-3-5-sonnet-v2
       vertex_ai_project: "adroit-crow-413218"
       vertex_ai_location: "us-east5"  
-
+  - model_name: openai-gpt-4o-realtime-audio
+    litellm_params:
+      model: openai/gpt-4o-realtime-preview-2024-10-01
+      api_key: os.environ/OPENAI_API_KEY
+      
 router_settings:
   routing_strategy: usage-based-routing-v2
   #redis_url: "os.environ/REDIS_URL"

litellm/proxy/auth/user_api_key_auth.py

@@ -28,6 +28,8 @@ from fastapi import (
     Request,
     Response,
     UploadFile,
+    WebSocket,
+    WebSocketDisconnect,
     status,
 )
 from fastapi.middleware.cors import CORSMiddleware
@@ -195,6 +197,52 @@ def _is_allowed_route(
         )
 
 
+async def user_api_key_auth_websocket(websocket: WebSocket):
+    # Accept the WebSocket connection
+
+    request = Request(scope={"type": "http"})
+    request._url = websocket.url
+
+    query_params = websocket.query_params
+
+    model = query_params.get("model")
+
+    async def return_body():
+        return_string = f'{{"model": "{model}"}}'
+        # return string as bytes
+        return return_string.encode()
+
+    request.body = return_body  # type: ignore
+
+    # Extract the Authorization header
+    authorization = websocket.headers.get("authorization")
+
+    # If no Authorization header, try the api-key header
+    if not authorization:
+        api_key = websocket.headers.get("api-key")
+        if not api_key:
+            await websocket.close(code=status.WS_1008_POLICY_VIOLATION)
+            raise HTTPException(status_code=403, detail="No API key provided")
+    else:
+        # Extract the API key from the Bearer token
+        if not authorization.startswith("Bearer "):
+            await websocket.close(code=status.WS_1008_POLICY_VIOLATION)
+            raise HTTPException(
+                status_code=403, detail="Invalid Authorization header format"
+            )
+
+        api_key = authorization[len("Bearer ") :].strip()
+
+    # Call user_api_key_auth with the extracted API key
+    # Note: You'll need to modify this to work with WebSocket context if needed
+    try:
+        return await user_api_key_auth(request=request, api_key=f"Bearer {api_key}")
+    except Exception as e:
+        verbose_proxy_logger.exception(e)
+        await websocket.close(code=status.WS_1008_POLICY_VIOLATION)
+        raise HTTPException(status_code=403, detail=str(e))
+
+
 async def user_api_key_auth(  # noqa: PLR0915
     request: Request,
     api_key: str = fastapi.Security(api_key_header),

litellm/proxy/common_utils/http_parsing_utils.py

@@ -1,6 +1,6 @@
 import ast
 import json
-from typing import List, Optional
+from typing import Dict, List, Optional
 
 from fastapi import Request, UploadFile, status
 
@@ -8,31 +8,43 @@ from litellm._logging import verbose_proxy_logger
 from litellm.types.router import Deployment
 
 
-async def _read_request_body(request: Optional[Request]) -> dict:
+async def _read_request_body(request: Optional[Request]) -> Dict:
     """
-    Asynchronous function to read the request body and parse it as JSON or literal data.
+    Safely read the request body and parse it as JSON.
 
     Parameters:
     - request: The request object to read the body from
 
     Returns:
-    - dict: Parsed request data as a dictionary
+    - dict: Parsed request data as a dictionary or an empty dictionary if parsing fails
     """
     try:
-        request_data: dict = {}
         if request is None:
-            return request_data
+            return {}
+
+        # Read the request body
         body = await request.body()
 
-        if body == b"" or body is None:
-            return request_data
+        # Return empty dict if body is empty or None
+        if not body:
+            return {}
+
+        # Decode the body to a string
         body_str = body.decode()
-        try:
-            request_data = ast.literal_eval(body_str)
-        except Exception:
-            request_data = json.loads(body_str)
-        return request_data
-    except Exception:
+
+        # Attempt JSON parsing (safe for untrusted input)
+        return json.loads(body_str)
+
+    except json.JSONDecodeError:
+        # Log detailed information for debugging
+        verbose_proxy_logger.exception("Invalid JSON payload received.")
+        return {}
+
+    except Exception as e:
+        # Catch unexpected errors to avoid crashes
+        verbose_proxy_logger.exception(
+            "Unexpected error reading request body - {}".format(e)
+        )
         return {}
 
 

litellm/proxy/proxy_server.py

@@ -134,7 +134,10 @@ from litellm.proxy.auth.model_checks import (
     get_key_models,
     get_team_models,
 )
-from litellm.proxy.auth.user_api_key_auth import user_api_key_auth
+from litellm.proxy.auth.user_api_key_auth import (
+    user_api_key_auth,
+    user_api_key_auth_websocket,
+)
 
 ## Import All Misc routes here ##
 from litellm.proxy.caching_routes import router as caching_router
@@ -4339,7 +4342,11 @@ from litellm import _arealtime
 
 
 @app.websocket("/v1/realtime")
-async def websocket_endpoint(websocket: WebSocket, model: str):
+async def websocket_endpoint(
+    websocket: WebSocket,
+    model: str,
+    user_api_key_dict=Depends(user_api_key_auth_websocket),
+):
     import websockets
 
     await websocket.accept()