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Verify that headers are set, explicitly
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@ -48,6 +48,9 @@ class ZMQStreamHandler(websocket.WebSocketHandler):
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origin_header = self.request.headers.get("Origin")
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host = self.request.headers.get("Host")
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if(origin_header == None or host == None):
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return True
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parsed_origin = urlparse(origin_header)
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origin = parsed_origin.netloc
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