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#!/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.options
import tornado.web
from tornado.options import define, options
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="32oETzKXQAGaYdkL5gEmGeJJFuYh7EQnp2XdTP1o/Vo=",
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("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):
@tornado.web.asynchronous
def get(self):
if self.get_argument("openid.mode", None):
self.get_authenticated_user(self.async_callback(self._on_auth))
return
self.authenticate_redirect()
def _on_auth(self, user):
if not user:
raise tornado.web.HTTPError(500, "Google auth failed")
self.set_secure_cookie("user", tornado.escape.json_encode(user))
self.redirect("/")
class LogoutHandler(BaseHandler):
def get(self):
self.clear_cookie("user")
self.redirect("/")
def main():
tornado.options.parse_command_line()
http_server = tornado.httpserver.HTTPServer(Application())
http_server.listen(options.port)
tornado.ioloop.IOLoop.instance().start()
if __name__ == "__main__":
main()
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