airflow/www/session.py

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from __future__ import annotations

from flask import request
from flask.sessions import SecureCookieSessionInterface
from flask_session.sessions import SqlAlchemySessionInterface


class SesssionExemptMixin:
    """Exempt certain blueprints/paths from autogenerated sessions."""

    def save_session(self, *args, **kwargs):
        """Prevent creating session from REST API and health requests."""
        if request.blueprint == "/api/v1":
            return None
        if request.path == "/health":
            return None
        return super().save_session(*args, **kwargs)


class AirflowDatabaseSessionInterface(SesssionExemptMixin, SqlAlchemySessionInterface):
    """Session interface that exempts some routes and stores session data in the database."""


class AirflowSecureCookieSessionInterface(SesssionExemptMixin, SecureCookieSessionInterface):
    """Session interface that exempts some routes and stores session data in a signed cookie."""