user_socket.ex
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user_socket.ex
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	defmodule Pleroma.Web.UserSocket do
	use Phoenix.Socket
	alias Pleroma.User

	## Channels
	# channel "room:*", Pleroma.Web.RoomChannel
	if Application.get_env(:pleroma, :chat) \|> Keyword.get(:enabled) do
	channel("chat:*", Pleroma.Web.ChatChannel)
	end

	## Transports
	transport(:websocket, Phoenix.Transports.WebSocket)
	# transport :longpoll, Phoenix.Transports.LongPoll

	# Socket params are passed from the client and can
	# be used to verify and authenticate a user. After
	# verification, you can put default assigns into
	# the socket that will be set for all channels, ie
	#
	# {:ok, assign(socket, :user_id, verified_user_id)}
	#
	# To deny connection, return `:error`.
	#
	# See `Phoenix.Token` documentation for examples in
	# performing token verification on connect.
	def connect(%{"token" => token}, socket) do
	with {:ok, user_id} <- Phoenix.Token.verify(socket, "user socket", token, max_age: 84600),
	%User{} = user <- Pleroma.Repo.get(User, user_id) do
	{:ok, assign(socket, :user_name, user.nickname)}
	else
	_e -> :error
	end
	end

	# Socket id's are topics that allow you to identify all sockets for a given user:
	#
	# def id(socket), do: "user_socket:#{socket.assigns.user_id}"
	#
	# Would allow you to broadcast a "disconnect" event and terminate
	# all active sockets and channels for a given user:
	#
	# Pleroma.Web.Endpoint.broadcast("user_socket:#{user.id}", "disconnect", %{})
	#
	# Returning `nil` makes this socket anonymous.
	def id(_socket), do: nil
	end