Source code for airflow.providers.fab.www.extensions.init_security

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from __future__ import annotations

import logging
from importlib import import_module

from airflow.configuration import conf
from airflow.exceptions import AirflowException


[docs]
log = logging.getLogger(__name__)




[docs]
def init_xframe_protection(app):
    """
    Add X-Frame-Options header.

    Use it to avoid click-jacking attacks, by ensuring that their content is not embedded into other sites.

    See also: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Frame-Options
    """
    x_frame_enabled = conf.getboolean("webserver", "X_FRAME_ENABLED", fallback=True)
    if x_frame_enabled:
        return

    def apply_caching(response):
        response.headers["X-Frame-Options"] = "DENY"
        return response

    app.after_request(apply_caching)




[docs]
def init_api_auth(app):
    """Load authentication backends."""
    auth_backends = conf.get("api", "auth_backends")

    app.api_auth = []
    try:
        for backend in auth_backends.split(","):
            auth = import_module(backend.strip())
            auth.init_app(app)
            app.api_auth.append(auth)
    except ImportError as err:
        log.critical("Cannot import %s for API authentication due to: %s", backend, err)
        raise AirflowException(err)