chore: initial snapshot for gitea/github upload
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"""
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Login utilities for handling user authentication in the proxy server.
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This module contains the core login logic that can be reused across different
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login endpoints (e.g., /login and /v2/login).
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"""
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import os
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import secrets
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from typing import Literal, Optional, cast
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from fastapi import HTTPException
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import litellm
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from litellm.constants import LITELLM_PROXY_ADMIN_NAME, LITELLM_UI_SESSION_DURATION
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from litellm.proxy._types import (
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LiteLLM_UserTable,
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LitellmUserRoles,
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ProxyErrorTypes,
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ProxyException,
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UpdateUserRequest,
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UserAPIKeyAuth,
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hash_token,
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)
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from litellm.proxy.management_endpoints.internal_user_endpoints import user_update
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from litellm.proxy.management_endpoints.key_management_endpoints import (
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generate_key_helper_fn,
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)
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from litellm.proxy.management_endpoints.ui_sso import (
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get_disabled_non_admin_personal_key_creation,
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)
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from litellm.proxy.utils import PrismaClient, get_server_root_path
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from litellm.secret_managers.main import get_secret_bool
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from litellm.types.proxy.ui_sso import ReturnedUITokenObject
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def get_ui_credentials(master_key: Optional[str]) -> tuple[str, str]:
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"""
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Get UI username and password from environment variables or master key.
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Args:
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master_key: Master key for the proxy (used as fallback for password)
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Returns:
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tuple[str, str]: A tuple containing (ui_username, ui_password)
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Raises:
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ProxyException: If neither UI_PASSWORD nor master_key is available
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"""
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ui_username = os.getenv("UI_USERNAME", "admin")
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ui_password = os.getenv("UI_PASSWORD", None)
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if ui_password is None:
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ui_password = str(master_key) if master_key is not None else None
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if ui_password is None:
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raise ProxyException(
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message="set Proxy master key to use UI. https://docs.litellm.ai/docs/proxy/virtual_keys. If set, use `--detailed_debug` to debug issue.",
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type=ProxyErrorTypes.auth_error,
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param="UI_PASSWORD",
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code=500,
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)
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return ui_username, ui_password
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class LoginResult:
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"""Result object containing authentication data from login."""
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user_id: str
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key: str
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user_email: Optional[str]
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user_role: str
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login_method: Literal["sso", "username_password"]
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def __init__(
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self,
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user_id: str,
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key: str,
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user_email: Optional[str],
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user_role: str,
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login_method: Literal["sso", "username_password"] = "username_password",
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):
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self.user_id = user_id
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self.key = key
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self.user_email = user_email
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self.user_role = user_role
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self.login_method = login_method
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async def authenticate_user( # noqa: PLR0915
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username: str,
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password: str,
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master_key: Optional[str],
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prisma_client: Optional[PrismaClient],
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) -> LoginResult:
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"""
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Authenticate a user and generate an API key for UI access.
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This function handles two login scenarios:
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1. Admin login using UI_USERNAME and UI_PASSWORD
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2. User login using email and password from database
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Args:
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username: Username or email from the login form
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password: Password from the login form
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master_key: Master key for the proxy (required)
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prisma_client: Prisma database client (optional)
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Returns:
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LoginResult: Object containing authentication data
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Raises:
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ProxyException: If authentication fails or required configuration is missing
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"""
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if master_key is None:
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raise ProxyException(
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message="Master Key not set for Proxy. Please set Master Key to use Admin UI. Set `LITELLM_MASTER_KEY` in .env or set general_settings:master_key in config.yaml. https://docs.litellm.ai/docs/proxy/virtual_keys. If set, use `--detailed_debug` to debug issue.",
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type=ProxyErrorTypes.auth_error,
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param="master_key",
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code=500,
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)
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ui_username, ui_password = get_ui_credentials(master_key)
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# Check if we can find the `username` in the db. On the UI, users can enter username=their email
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_user_row: Optional[LiteLLM_UserTable] = None
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user_role: Optional[
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Literal[
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LitellmUserRoles.PROXY_ADMIN,
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LitellmUserRoles.PROXY_ADMIN_VIEW_ONLY,
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LitellmUserRoles.INTERNAL_USER,
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LitellmUserRoles.INTERNAL_USER_VIEW_ONLY,
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]
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] = None
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if prisma_client is not None:
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_user_row = cast(
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Optional[LiteLLM_UserTable],
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await prisma_client.db.litellm_usertable.find_first(
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where={"user_email": {"equals": username, "mode": "insensitive"}}
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),
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)
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"""
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To login to Admin UI, we support the following
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- Login with UI_USERNAME and UI_PASSWORD
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- Login with Invite Link `user_email` and `password` combination
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"""
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if secrets.compare_digest(
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username.encode("utf-8"), ui_username.encode("utf-8")
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) and secrets.compare_digest(password.encode("utf-8"), ui_password.encode("utf-8")):
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# Non SSO -> If user is using UI_USERNAME and UI_PASSWORD they are Proxy admin
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user_role = LitellmUserRoles.PROXY_ADMIN
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user_id = LITELLM_PROXY_ADMIN_NAME
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# we want the key created to have PROXY_ADMIN_PERMISSIONS
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key_user_id = LITELLM_PROXY_ADMIN_NAME
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if (
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os.getenv("PROXY_ADMIN_ID", None) is not None
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and os.environ["PROXY_ADMIN_ID"] == user_id
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) or user_id == LITELLM_PROXY_ADMIN_NAME:
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# checks if user is admin
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key_user_id = os.getenv("PROXY_ADMIN_ID", LITELLM_PROXY_ADMIN_NAME)
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# Admin is Authe'd in - generate key for the UI to access Proxy
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# ensure this user is set as the proxy admin, in this route there is no sso, we can assume this user is only the admin
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await user_update(
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data=UpdateUserRequest(
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user_id=key_user_id,
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user_role=user_role,
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),
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user_api_key_dict=UserAPIKeyAuth(
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user_role=LitellmUserRoles.PROXY_ADMIN,
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),
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)
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if os.getenv("DATABASE_URL") is not None:
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response = await generate_key_helper_fn(
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request_type="key",
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**{
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"user_role": LitellmUserRoles.PROXY_ADMIN,
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"duration": LITELLM_UI_SESSION_DURATION,
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"key_max_budget": litellm.max_ui_session_budget,
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"models": [],
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"aliases": {},
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"config": {},
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"spend": 0,
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"user_id": key_user_id,
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"team_id": "litellm-dashboard",
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}, # type: ignore
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)
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else:
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raise ProxyException(
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message="No Database connected. Set DATABASE_URL in .env. If set, use `--detailed_debug` to debug issue.",
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type=ProxyErrorTypes.auth_error,
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param="DATABASE_URL",
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code=500,
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)
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key = response["token"] # type: ignore
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if get_secret_bool("EXPERIMENTAL_UI_LOGIN"):
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from litellm.proxy.auth.auth_checks import ExperimentalUIJWTToken
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user_info: Optional[LiteLLM_UserTable] = None
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if _user_row is not None:
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user_info = _user_row
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elif (
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user_id is not None
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): # if user_id is not None, we are using the UI_USERNAME and UI_PASSWORD
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user_info = LiteLLM_UserTable(
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user_id=user_id,
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user_role=user_role,
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models=[],
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max_budget=litellm.max_ui_session_budget,
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)
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if user_info is None:
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raise HTTPException(
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status_code=401,
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detail={
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"error": "User Information is required for experimental UI login"
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},
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)
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key = ExperimentalUIJWTToken.get_experimental_ui_login_jwt_auth_token(
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user_info
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)
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return LoginResult(
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user_id=user_id,
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key=key,
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user_email=None,
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user_role=user_role,
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login_method="username_password",
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)
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elif _user_row is not None:
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"""
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When sharing invite links
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-> if the user has no role in the DB assume they are only a viewer
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"""
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user_id = getattr(_user_row, "user_id", "unknown")
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user_role = getattr(
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_user_row, "user_role", LitellmUserRoles.INTERNAL_USER_VIEW_ONLY
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)
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user_email = getattr(_user_row, "user_email", "unknown")
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_password = getattr(_user_row, "password", "unknown")
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if _password is None:
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raise ProxyException(
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message="User has no password set. Please set a password for the user via `/user/update`.",
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type=ProxyErrorTypes.auth_error,
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param="password",
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code=401,
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)
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# check if password == _user_row.password
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hash_password = hash_token(token=password)
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if secrets.compare_digest(
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password.encode("utf-8"), _password.encode("utf-8")
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) or secrets.compare_digest(
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hash_password.encode("utf-8"), _password.encode("utf-8")
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):
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if os.getenv("DATABASE_URL") is not None:
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response = await generate_key_helper_fn(
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request_type="key",
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**{ # type: ignore
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"user_role": user_role,
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"duration": LITELLM_UI_SESSION_DURATION,
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"key_max_budget": litellm.max_ui_session_budget,
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"models": [],
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"aliases": {},
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"config": {},
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"spend": 0,
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"user_id": user_id,
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"team_id": "litellm-dashboard",
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},
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)
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else:
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raise ProxyException(
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message="No Database connected. Set DATABASE_URL in .env. If set, use `--detailed_debug` to debug issue.",
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type=ProxyErrorTypes.auth_error,
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param="DATABASE_URL",
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code=500,
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)
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key = response["token"] # type: ignore
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return LoginResult(
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user_id=user_id,
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key=key,
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user_email=user_email,
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user_role=cast(str, user_role),
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login_method="username_password",
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)
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else:
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raise ProxyException(
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message=f"Invalid credentials used to access UI.\nNot valid credentials for {username}",
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type=ProxyErrorTypes.auth_error,
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param="invalid_credentials",
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code=401,
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)
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else:
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raise ProxyException(
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message="Invalid credentials used to access UI.\nCheck 'UI_USERNAME', 'UI_PASSWORD' in .env file",
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type=ProxyErrorTypes.auth_error,
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param="invalid_credentials",
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code=401,
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)
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def create_ui_token_object(
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login_result: LoginResult,
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general_settings: dict,
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premium_user: bool,
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) -> ReturnedUITokenObject:
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"""
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Create a ReturnedUITokenObject from a LoginResult.
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Args:
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login_result: The result from authenticate_user
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general_settings: General proxy settings dictionary
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premium_user: Whether premium features are enabled
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Returns:
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ReturnedUITokenObject: Token object ready for JWT encoding
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"""
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disabled_non_admin_personal_key_creation = (
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get_disabled_non_admin_personal_key_creation()
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)
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return ReturnedUITokenObject(
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user_id=login_result.user_id,
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key=login_result.key,
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user_email=login_result.user_email,
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user_role=login_result.user_role,
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login_method=login_result.login_method,
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premium_user=premium_user,
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auth_header_name=general_settings.get(
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"litellm_key_header_name", "Authorization"
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),
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disabled_non_admin_personal_key_creation=disabled_non_admin_personal_key_creation,
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server_root_path=get_server_root_path(),
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)
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