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defmodule ShardWeb.UserSocket do
use Phoenix.Socket
require Logger
## Channels
channel "room:*", ShardWeb.RoomChannel
## 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(params, socket) do
case Base.decode16(params["pk"]) do
{:ok, pk} ->
if Shard.Keys.have_sk? pk do
socket = assign(socket, :pk, pk)
{:ok, socket}
else
Logger.warn("Invalid pk at user_socket.connect... #{params["pk"]}")
:error
end
_ -> :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:
#
# ShardWeb.Endpoint.broadcast("user_socket:#{user.id}", "disconnect", %{})
#
# Returning `nil` makes this socket anonymous.
def id(_socket), do: nil
end
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