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tornado websocket connection & cookie example
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| """ | |
| Example of WebSocket receiving cookies from session. | |
| # Currently using tornado==4.0.2 | |
| pip install git+http://github.com/tornadoweb/tornado.git | |
| Run: | |
| python secure_websocket.python | |
| and access online: | |
| http://0.0.0.0:7471 | |
| """ | |
| import tornado.ioloop | |
| import tornado.web | |
| import tornado.websocket | |
| HOST = "0.0.0.0" | |
| PORT = 7471 | |
| HTML = """ | |
| <html> | |
| <head> | |
| <script language="javascript"> | |
| var ws = new WebSocket("ws://%s:%d/websocket"); | |
| ws.onopen = function() { | |
| ws.send("Hello"); | |
| }; | |
| ws.onmessage = function (evt) { | |
| alert(evt.data); | |
| }; | |
| </script> | |
| </head> | |
| <body> | |
| <p>sample websocket with Tornado</p> | |
| </body> | |
| </html> | |
| """ % (HOST, PORT) | |
| class RootHandler(tornado.web.RequestHandler): | |
| def get(self): | |
| self.set_cookie("some-key", "some-value", domain=HOST) | |
| self.write(HTML) | |
| class WebSocketHandler(tornado.websocket.WebSocketHandler): | |
| def check_origin(self, origin): | |
| return True | |
| def open(self): | |
| print("received cookies: ", self.request.cookies) | |
| print("received 'myuser': ", self.get_cookie("myuser")) | |
| print "WebSocket opened" | |
| def on_message(self, message): | |
| self.write_message(u"You said: " + message) | |
| def on_close(self): | |
| print "WebSocket closed" | |
| application = tornado.web.Application( | |
| [ | |
| (r"/", RootHandler), | |
| (r"/websocket", WebSocketHandler), | |
| ] | |
| ) | |
| if __name__ == "__main__": | |
| application.listen(PORT) | |
| print("Running app on port {}".format(PORT)) | |
| tornado.ioloop.IOLoop.instance().start() |
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