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Don't check request origin for WebSockets connection (#78)

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Jonatan Kłosko 2021-03-17 11:16:40 +01:00 • committed by GitHub
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lib/livebook_web/endpoint.ex
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@ -11,7 +11,10 @@ defmodule LivebookWeb.Endpoint do
]
socket "/live", Phoenix.LiveView.Socket,
websocket: [connect_info: [:user_agent, session: @session_options]]
# Don't check the origin as we don't know how the web app is gonna be accessed.
# It runs locally, but may be exposed via IP or domain name.
# The WebSocket connection is already protected from CSWSH by using CSRF token.
websocket: [check_origin: false, connect_info: [:user_agent, session: @session_options]]
# We use Escript for distributing Livebook, so we don't
# have access to the files in priv/static at runtime in the prod environment.