akkoma/lib/pleroma/web/channels/user_socket.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.UserSocket do
use Phoenix.Socket
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alias Pleroma.User
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## Channels
# channel "room:*", Pleroma.Web.RoomChannel
channel("shout:*", Pleroma.Web.ShoutChannel)
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# 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.
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def connect(%{"token" => token}, socket) do
with true <- Pleroma.Config.get([:shout, :enabled]),
{:ok, user_id} <- Phoenix.Token.verify(socket, "user socket", token, max_age: 84_600),
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%User{} = user <- Pleroma.User.get_cached_by_id(user_id) do
{:ok, assign(socket, :user_name, user.nickname)}
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else
_e -> :error
end
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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