tornado/demos/auth/authdemo.py

90 lines
2.9 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright 2009 Facebook
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import tornado.auth
import tornado.escape
import tornado.httpserver
import tornado.ioloop
import tornado.web
from tornado import gen
from tornado.options import define, options, parse_command_line
define("port", default=8888, help="run on the given port", type=int)
class Application(tornado.web.Application):
def __init__(self):
handlers = [
(r"/", MainHandler),
(r"/auth/login", AuthHandler),
(r"/auth/logout", LogoutHandler),
]
settings = dict(
cookie_secret="__TODO:_GENERATE_YOUR_OWN_RANDOM_VALUE_HERE__",
login_url="/auth/login",
)
tornado.web.Application.__init__(self, handlers, **settings)
class BaseHandler(tornado.web.RequestHandler):
def get_current_user(self):
user_json = self.get_secure_cookie("authdemo_user")
if not user_json: return None
return tornado.escape.json_decode(user_json)
class MainHandler(BaseHandler):
@tornado.web.authenticated
def get(self):
name = tornado.escape.xhtml_escape(self.current_user["name"])
self.write("Hello, " + name)
self.write("<br><br><a href=\"/auth/logout\">Log out</a>")
class AuthHandler(BaseHandler, tornado.auth.GoogleMixin):
@gen.coroutine
def get(self):
if self.get_argument("openid.mode", None):
user = yield self.get_authenticated_user()
self.set_secure_cookie("authdemo_user",
tornado.escape.json_encode(user))
self.redirect("/")
return
self.authenticate_redirect()
class LogoutHandler(BaseHandler):
def get(self):
# This logs the user out of this demo app, but does not log them
# out of Google. Since Google remembers previous authorizations,
# returning to this app will log them back in immediately with no
# interaction (unless they have separately logged out of Google in
# the meantime).
self.clear_cookie("authdemo_user")
self.write('You are now logged out. '
'Click <a href="/">here</a> to log back in.')
def main():
parse_command_line()
http_server = tornado.httpserver.HTTPServer(Application())
http_server.listen(options.port)
tornado.ioloop.IOLoop.instance().start()
if __name__ == "__main__":
main()