Commit bd5bdc4c authored by lain's avatar lain
Browse files

MastoAPI: Basic streaming.

parent a1923d20
Pipeline #150 passed with stage
in 1 minute and 56 seconds
......@@ -19,7 +19,8 @@ def start(_type, _args) do
ttl_interval: 1000,
limit: 2500
]]),
worker(Pleroma.Web.Federator, [])
worker(Pleroma.Web.Federator, []),
worker(Pleroma.Web.Streamer, [])
]
# See http://elixir-lang.org/docs/stable/elixir/Supervisor.html
......
......@@ -22,6 +22,9 @@ def create(to, actor, context, object, additional \\ %{}, published \\ nil, loca
with create_data <- make_create_data(%{to: to, actor: actor, published: published, context: context, object: object}, additional),
{:ok, activity} <- insert(create_data, local),
:ok <- maybe_federate(activity) do
if activity.data["type"] == "Create" and Enum.member?(activity.data["to"], "https://www.w3.org/ns/activitystreams#Public") do
Pleroma.Web.Streamer.stream("public", activity)
end
{:ok, activity}
end
end
......
......@@ -2,6 +2,7 @@ defmodule Pleroma.Web.Endpoint do
use Phoenix.Endpoint, otp_app: :pleroma
socket "/socket", Pleroma.Web.UserSocket
socket "/api/v1", Pleroma.Web.MastodonAPI.MastodonSocket
# Serve at "/" the static files from "priv/static" directory.
#
......
defmodule Pleroma.Web.MastodonAPI.MastodonSocket do
use Phoenix.Socket
transport :streaming, Phoenix.Transports.WebSocket.Raw
def connect(params, socket) do
IO.inspect(params)
Pleroma.Web.Streamer.add_socket(params["stream"], socket)
{:ok, socket}
end
def id(socket), do: nil
def handle(:text, message, state) do
IO.inspect message
#| :ok
#| state
#| {:text, message}
#| {:text, message, state}
#| {:close, "Goodbye!"}
{:text, message}
end
def handle(:closed, reason, _state) do
IO.inspect reason
end
end
defmodule Pleroma.Web.Streamer do
use GenServer
require Logger
import Plug.Conn
def start_link do
GenServer.start_link(__MODULE__, %{}, name: __MODULE__)
end
def add_socket(topic, socket) do
GenServer.cast(__MODULE__, %{action: :add, socket: socket, topic: topic})
end
def stream(topic, item) do
GenServer.cast(__MODULE__, %{action: :stream, topic: topic, item: item})
end
def handle_cast(%{action: :stream, topic: topic, item: item}, topics) do
Logger.debug("Trying to push to #{topic}")
Logger.debug("Pushing item to #{topic}")
Enum.each(topics[topic] || [], fn (socket) ->
json = %{
event: "update",
payload: Pleroma.Web.MastodonAPI.StatusView.render("status.json", activity: item) |> Poison.encode!
} |> Poison.encode!
send socket.transport_pid, {:text, json}
end)
{:noreply, topics}
end
def handle_cast(%{action: :add, topic: topic, socket: socket}, sockets) do
sockets_for_topic = sockets[topic] || []
sockets_for_topic = Enum.uniq([socket | sockets_for_topic])
sockets = Map.put(sockets, topic, sockets_for_topic)
Logger.debug("Got new conn for #{topic}")
IO.inspect(sockets)
{:noreply, sockets}
end
def handle_cast(m, state) do
IO.inspect("Unknown: #{inspect(m)}, #{inspect(state)}")
{:noreply, state}
end
end
defmodule Phoenix.Transports.WebSocket.Raw do
import Plug.Conn, only: [
fetch_query_params: 1,
send_resp: 3
]
alias Phoenix.Socket.Transport
def default_config do
[
timeout: 60_000,
transport_log: false,
cowboy: Phoenix.Endpoint.CowboyWebSocket
]
end
def init(%Plug.Conn{method: "GET"} = conn, {endpoint, handler, transport}) do
{_, opts} = handler.__transport__(transport)
conn = conn
|> fetch_query_params
|> Transport.transport_log(opts[:transport_log])
|> Transport.force_ssl(handler, endpoint, opts)
|> Transport.check_origin(handler, endpoint, opts)
case conn do
%{halted: false} = conn ->
case Transport.connect(endpoint, handler, transport, __MODULE__, nil, conn.params) do
{:ok, socket} ->
{:ok, conn, {__MODULE__, {socket, opts}}}
:error ->
send_resp(conn, :forbidden, "")
{:error, conn}
end
_ ->
{:error, conn}
end
end
def init(conn, _) do
send_resp(conn, :bad_request, "")
{:error, conn}
end
def ws_init({socket, config}) do
Process.flag(:trap_exit, true)
{:ok, %{socket: socket}, config[:timeout]}
end
def ws_handle(op, data, state) do
state.socket.handler
|> apply(:handle, [op, data, state])
|> case do
{op, data} ->
{:reply, {op, data}, state}
{op, data, state} ->
{:reply, {op, data}, state}
%{} = state ->
{:ok, state}
_ ->
{:ok, state}
end
end
def ws_info({op, data} = tuple, state) do
{:reply, tuple, state}
end
def ws_info(_tuple, state), do: {:ok, state}
def ws_close(state) do
ws_handle(:closed, :normal, state)
end
def ws_terminate(reason, state) do
ws_handle(:closed, reason, state)
end
end
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