Merge pull request #1576 from BerriAI/litellm_map_openai_auth_errors

[Feat] Make Proxy Auth Exceptions OpenAI compatible

litellm/proxy/proxy_server.py

@@ -485,11 +485,19 @@ async def user_api_key_auth(
         # verbose_proxy_logger.debug(f"An exception occurred - {traceback.format_exc()}")
         traceback.print_exc()
         if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_401_UNAUTHORIZED),
+            )
+        elif isinstance(e, ProxyException):
             raise e
-        else:
-            raise HTTPException(
-                status_code=status.HTTP_401_UNAUTHORIZED,
-                detail=f"Authentication Error, {str(e)}",
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_401_UNAUTHORIZED,
         )
 
 
@@ -2216,6 +2224,7 @@ async def generate_key_fn(
     - expires: (datetime) Datetime object for when key expires.
     - user_id: (str) Unique user id - used for tracking spend across multiple keys for same user id.
     """
+    try:
         global user_custom_key_generate
         verbose_proxy_logger.debug("entered /key/generate")
 
@@ -2224,7 +2233,9 @@ async def generate_key_fn(
             decision = result.get("decision", True)
             message = result.get("message", "Authentication Failed - Custom Auth Rule")
             if not decision:
-            raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail=message)
+                raise HTTPException(
+                    status_code=status.HTTP_403_FORBIDDEN, detail=message
+                )
 
         data_json = data.json()  # type: ignore
 
@@ -2232,6 +2243,7 @@ async def generate_key_fn(
         if "max_budget" in data_json:
             data_json["key_max_budget"] = data_json.pop("max_budget", None)
 
+
         if "budget_duration" in data_json:
           data_json["key_budget_duration"] = data_json.pop("budget_duration", None)
 
@@ -2239,6 +2251,23 @@ async def generate_key_fn(
         return GenerateKeyResponse(
             key=response["token"], expires=response["expires"], user_id=response["user_id"]
         )
+    except Exception as e:
+        if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        elif isinstance(e, ProxyException):
+            raise e
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_400_BAD_REQUEST,
+        )
+
   
 
 @router.post(
@@ -2263,9 +2292,20 @@ async def update_key_fn(request: Request, data: UpdateKeyRequest):
         return {"key": key, **non_default_values}
         # update based on remaining passed in values
     except Exception as e:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail={"error": str(e)},
+        if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        elif isinstance(e, ProxyException):
+            raise e
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_400_BAD_REQUEST,
         )
 
 
@@ -2296,9 +2336,20 @@ async def delete_key_fn(data: DeleteKeyRequest):
         assert len(keys) == number_deleted_keys
         return {"deleted_keys": keys}
     except Exception as e:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail={"error": str(e)},
+        if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        elif isinstance(e, ProxyException):
+            raise e
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_400_BAD_REQUEST,
         )
 
 
@@ -2324,9 +2375,20 @@ async def info_key_fn(
         key_info.pop("token")
         return {"key": key, "info": key_info}
     except Exception as e:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail={"error": str(e)},
+        if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        elif isinstance(e, ProxyException):
+            raise e
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_400_BAD_REQUEST,
         )
 
 
@@ -2555,9 +2617,20 @@ async def user_info(
             key.pop("token", None)
         return {"user_id": user_id, "user_info": user_info, "keys": keys}
     except Exception as e:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail={"error": str(e)},
+        if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        elif isinstance(e, ProxyException):
+            raise e
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_400_BAD_REQUEST,
         )
 
 
@@ -2610,10 +2683,19 @@ async def add_new_model(model_params: ModelParams):
     except Exception as e:
         traceback.print_exc()
         if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        elif isinstance(e, ProxyException):
             raise e
-        else:
-            raise HTTPException(
-                status_code=500, detail=f"Internal Server Error: {str(e)}"
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_400_BAD_REQUEST,
         )
 
 
@@ -2703,11 +2785,22 @@ async def delete_model(model_info: ModelInfoDelete):
         config = await proxy_config.save_config(new_config=config)
         return {"message": "Model deleted successfully"}
 
-    except HTTPException as e:
-        # Re-raise the HTTP exceptions to be handled by FastAPI
-        raise
     except Exception as e:
-        raise HTTPException(status_code=500, detail=f"Internal Server Error: {str(e)}")
+        if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        elif isinstance(e, ProxyException):
+            raise e
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_400_BAD_REQUEST,
+        )
 
 
 #### EXPERIMENTAL QUEUING ####
@@ -2852,9 +2945,20 @@ async def async_queue_request(
         await proxy_logging_obj.post_call_failure_hook(
             user_api_key_dict=user_api_key_dict, original_exception=e
         )
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail={"error": str(e)},
+        if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        elif isinstance(e, ProxyException):
+            raise e
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_400_BAD_REQUEST,
         )
 
 
@@ -2924,11 +3028,23 @@ async def update_config(config_info: ConfigYAML):
                 message="This is a test", level="Low"
             )
         return {"message": "Config updated successfully"}
-    except HTTPException as e:
-        raise e
     except Exception as e:
         traceback.print_exc()
-        raise HTTPException(status_code=500, detail=f"An error occurred - {str(e)}")
+        if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "detail", f"Authentication Error({str(e)})"),
+                type="auth_error",
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        elif isinstance(e, ProxyException):
+            raise e
+        raise ProxyException(
+            message="Authentication Error, " + str(e),
+            type="auth_error",
+            param=getattr(e, "param", "None"),
+            code=status.HTTP_400_BAD_REQUEST,
+        )
 
 
 @router.get(

litellm/tests/test_configs/custom_auth.py

@@ -13,4 +13,4 @@ async def user_api_key_auth(request: Request, api_key: str) -> UserAPIKeyAuth:
             return UserAPIKeyAuth(api_key=api_key)
         raise Exception
     except:
-        raise Exception
+        raise Exception("Failed custom auth")

litellm/tests/test_key_generate_dynamodb.py

@@ -109,8 +109,8 @@ def test_call_with_invalid_key(custom_db_client):
         asyncio.run(test())
     except Exception as e:
         print("Got Exception", e)
-        print(e.detail)
-        assert "Authentication Error" in e.detail
+        print(e.message)
+        assert "Authentication Error" in e.message
         pass
 
 
@@ -143,7 +143,7 @@ def test_call_with_invalid_model(custom_db_client):
         asyncio.run(test())
     except Exception as e:
         assert (
-            e.detail
+            e.message
             == "Authentication Error, API Key not allowed to access model. This token can only access models=['mistral']. Tried to access gemini-pro-vision"
         )
         pass
@@ -248,7 +248,7 @@ def test_call_with_user_over_budget(custom_db_client):
 
         asyncio.run(test())
     except Exception as e:
-        error_detail = e.detail
+        error_detail = e.message
         assert "Authentication Error, ExceededBudget:" in error_detail
         print(vars(e))
 
@@ -321,7 +321,7 @@ def test_call_with_user_over_budget_stream(custom_db_client):
 
         asyncio.run(test())
     except Exception as e:
-        error_detail = e.detail
+        error_detail = e.message
         assert "Authentication Error, ExceededBudget:" in error_detail
         print(vars(e))
 
@@ -392,7 +392,7 @@ def test_call_with_user_key_budget(custom_db_client):
 
         asyncio.run(test())
     except Exception as e:
-        error_detail = e.detail
+        error_detail = e.message
         assert "Authentication Error, ExceededTokenBudget:" in error_detail
         print(vars(e))
 
@@ -465,6 +465,6 @@ def test_call_with_key_over_budget_stream(custom_db_client):
 
         asyncio.run(test())
     except Exception as e:
-        error_detail = e.detail
+        error_detail = e.message
         assert "Authentication Error, ExceededTokenBudget:" in error_detail
         print(vars(e))

litellm/tests/test_key_generate_prisma.py

@@ -136,8 +136,8 @@ def test_call_with_invalid_key(prisma_client):
         asyncio.run(test())
     except Exception as e:
         print("Got Exception", e)
-        print(e.detail)
-        assert "Authentication Error" in e.detail
+        print(e.message)
+        assert "Authentication Error" in e.message
         pass
 
 
@@ -171,7 +171,7 @@ def test_call_with_invalid_model(prisma_client):
         asyncio.run(test())
     except Exception as e:
         assert (
-            e.detail
+            e.message
             == "Authentication Error, API Key not allowed to access model. This token can only access models=['mistral']. Tried to access gemini-pro-vision"
         )
         pass
@@ -274,7 +274,7 @@ def test_call_with_user_over_budget(prisma_client):
 
         asyncio.run(test())
     except Exception as e:
-        error_detail = e.detail
+        error_detail = e.message
         assert "Authentication Error, ExceededBudget:" in error_detail
         print(vars(e))
 
@@ -350,7 +350,7 @@ def test_call_with_user_over_budget_stream(prisma_client):
 
         asyncio.run(test())
     except Exception as e:
-        error_detail = e.detail
+        error_detail = e.message
         assert "Authentication Error, ExceededBudget:" in error_detail
         print(vars(e))
 
@@ -414,8 +414,8 @@ def test_generate_and_call_with_expired_key(prisma_client):
         asyncio.run(test())
     except Exception as e:
         print("Got Exception", e)
-        print(e.detail)
-        assert "Authentication Error" in e.detail
+        print(e.message)
+        assert "Authentication Error" in e.message
         pass
 
 
@@ -486,8 +486,8 @@ def test_delete_key_auth(prisma_client):
         asyncio.run(test())
     except Exception as e:
         print("Got Exception", e)
-        print(e.detail)
-        assert "Authentication Error" in e.detail
+        print(e.message)
+        assert "Authentication Error" in e.message
         pass
 
 
@@ -599,7 +599,7 @@ def test_generate_and_update_key(prisma_client):
         asyncio.run(test())
     except Exception as e:
         print("Got Exception", e)
-        print(e.detail)
+        print(e.message)
         pytest.fail(f"An exception occurred - {str(e)}")
 
 
@@ -665,11 +665,11 @@ def test_key_generate_with_custom_auth(prisma_client):
             except Exception as e:
                 # this should fail
                 print("Got Exception", e)
-                print(e.detail)
+                print(e.message)
                 print("First request failed!. This is expected")
                 assert (
                     "This violates LiteLLM Proxy Rules. No team id provided."
-                    in e.detail
+                    in e.message
                 )
 
             request_2 = GenerateKeyRequest(
@@ -683,7 +683,7 @@ def test_key_generate_with_custom_auth(prisma_client):
         asyncio.run(test())
     except Exception as e:
         print("Got Exception", e)
-        print(e.detail)
+        print(e.message)
         pytest.fail(f"An exception occurred - {str(e)}")
 
 
@@ -752,7 +752,7 @@ def test_call_with_key_over_budget(prisma_client):
 
         asyncio.run(test())
     except Exception as e:
-        error_detail = e.detail
+        error_detail = e.message
         assert "Authentication Error, ExceededTokenBudget:" in error_detail
         print(vars(e))
 
@@ -827,6 +827,6 @@ def test_call_with_key_over_budget_stream(prisma_client):
             pytest.fail(f"This should have failed!. They key crossed it's budget")
 
     except Exception as e:
-        error_detail = e.detail
+        error_detail = e.message
         assert "Authentication Error, ExceededTokenBudget:" in error_detail
         print(vars(e))

litellm/tests/test_proxy_custom_auth.py

@@ -58,9 +58,10 @@ def test_custom_auth(client):
 
         headers = {"Authorization": f"Bearer {token}"}
         response = client.post("/chat/completions", json=test_data, headers=headers)
-        print(f"response: {response.text}")
-        assert response.status_code == 401
-        result = response.json()
-        print(f"Received response: {result}")
+        pytest.fail("LiteLLM Proxy test failed. This request should have been rejected")
     except Exception as e:
-        pytest.fail("LiteLLM Proxy test failed. Exception", e)
+        print(vars(e))
+        print("got an exception")
+        assert e.code == 401
+        assert e.message == "Authentication Error, Failed custom auth"
+        pass