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"""Tornado handlers for logging out of the Jupyter Server."""
# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
from ..base.handlers import JupyterHandler
from .decorator import allow_unauthenticated
class LogoutHandler(JupyterHandler):
"""An auth logout handler."""
@allow_unauthenticated
def get(self):
"""Handle a logout."""
self.identity_provider.clear_login_cookie(self)
if self.login_available:
message = {"info": "Successfully logged out."}
else:
message = {"warning": "Cannot log out. Jupyter Server authentication is disabled."}
self.write(self.render_template("logout.html", message=message))
default_handlers = [(r"/logout", LogoutHandler)]
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