123 lines
4.2 KiB
Python
Executable File
123 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2009 Facebook
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os.path
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import tornado.auth
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import tornado.escape
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import tornado.httpserver
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import tornado.ioloop
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import tornado.options
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import tornado.web
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from tornado.options import define, options
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define("port", default=8888, help="run on the given port", type=int)
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define("facebook_api_key", help="your Facebook application API key",
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default="9e2ada1b462142c4dfcc8e894ea1e37c")
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define("facebook_secret", help="your Facebook application secret",
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default="32fc6114554e3c53d5952594510021e2")
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class Application(tornado.web.Application):
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def __init__(self):
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handlers = [
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(r"/", MainHandler),
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(r"/auth/login", AuthLoginHandler),
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(r"/auth/logout", AuthLogoutHandler),
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]
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settings = dict(
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cookie_secret="__TODO:_GENERATE_YOUR_OWN_RANDOM_VALUE_HERE__",
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login_url="/auth/login",
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template_path=os.path.join(os.path.dirname(__file__), "templates"),
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static_path=os.path.join(os.path.dirname(__file__), "static"),
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xsrf_cookies=True,
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facebook_api_key=options.facebook_api_key,
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facebook_secret=options.facebook_secret,
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ui_modules={"Post": PostModule},
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debug=True,
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autoescape=None,
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)
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tornado.web.Application.__init__(self, handlers, **settings)
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class BaseHandler(tornado.web.RequestHandler):
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def get_current_user(self):
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user_json = self.get_secure_cookie("fbdemo_user")
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if not user_json: return None
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return tornado.escape.json_decode(user_json)
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class MainHandler(BaseHandler, tornado.auth.FacebookGraphMixin):
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@tornado.web.authenticated
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@tornado.web.asynchronous
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def get(self):
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self.facebook_request("/me/home", self._on_stream,
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access_token=self.current_user["access_token"])
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def _on_stream(self, stream):
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if stream is None:
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# Session may have expired
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self.redirect("/auth/login")
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return
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self.render("stream.html", stream=stream)
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class AuthLoginHandler(BaseHandler, tornado.auth.FacebookGraphMixin):
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@tornado.web.asynchronous
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def get(self):
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my_url = (self.request.protocol + "://" + self.request.host +
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"/auth/login?next=" +
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tornado.escape.url_escape(self.get_argument("next", "/")))
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if self.get_argument("code", False):
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self.get_authenticated_user(
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redirect_uri=my_url,
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client_id=self.settings["facebook_api_key"],
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client_secret=self.settings["facebook_secret"],
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code=self.get_argument("code"),
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callback=self._on_auth)
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return
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self.authorize_redirect(redirect_uri=my_url,
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client_id=self.settings["facebook_api_key"],
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extra_params={"scope": "read_stream"})
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def _on_auth(self, user):
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if not user:
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raise tornado.web.HTTPError(500, "Facebook auth failed")
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self.set_secure_cookie("fbdemo_user", tornado.escape.json_encode(user))
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self.redirect(self.get_argument("next", "/"))
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class AuthLogoutHandler(BaseHandler, tornado.auth.FacebookGraphMixin):
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def get(self):
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self.clear_cookie("fbdemo_user")
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self.redirect(self.get_argument("next", "/"))
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class PostModule(tornado.web.UIModule):
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def render(self, post):
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return self.render_string("modules/post.html", post=post)
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def main():
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tornado.options.parse_command_line()
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http_server = tornado.httpserver.HTTPServer(Application())
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http_server.listen(options.port)
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tornado.ioloop.IOLoop.instance().start()
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if __name__ == "__main__":
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main()
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