Header auth is a simple way to authenticate users using a header. It is typically used to delegate authentication to a reverse proxy.

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Example

from typing import Optional

import chainlit as cl


@cl.header_auth_callback
def header_auth_callback(headers: Dict) -> Optional[cl.User]:
  # Verify the signature of a token in the header (ex: jwt token)
  # or check that the value is matching a row from your database
  if headers.get("test-header") == "test-value":
    return cl.User(identifier="admin", metadata={"role": "admin", "provider": "header"})
  else:
    return None

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