Merge branch 'feature/chat' into 'develop'

Feature/chat

See merge request pleroma/pleroma!36

5 files changed, 66 insertions, 4 deletions

diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex
index bfe16e13a..2969ca3c4 100644
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@@ -20,6 +20,7 @@ defmodule Pleroma.Application do
                          limit: 2500
                        ]]),
       worker(Pleroma.Web.Federator, []),
+      worker(Pleroma.Web.ChatChannel.ChatChannelState, []),
     ]
     ++ if Mix.env == :test, do: [], else: [worker(Pleroma.Web.Streamer, [])]
 
diff --git a/lib/pleroma/web/channels/user_socket.ex b/lib/pleroma/web/channels/user_socket.ex
index 7aa8e556e..4a9bb8e22 100644
--- a/lib/pleroma/web/channels/user_socket.ex
+++ b/lib/pleroma/web/channels/user_socket.ex
@@ -1,8 +1,11 @@
 defmodule Pleroma.Web.UserSocket do
   use Phoenix.Socket
+  alias Pleroma.User
+  alias Comeonin.Pbkdf2
 
   ## Channels
   # channel "room:*", Pleroma.Web.RoomChannel
+  channel "chat:*", Pleroma.Web.ChatChannel
 
   ## Transports
   transport :websocket, Phoenix.Transports.WebSocket
@@ -19,8 +22,13 @@ defmodule Pleroma.Web.UserSocket do
   #
   # See `Phoenix.Token` documentation for examples in
   # performing token verification on connect.
-  def connect(_params, socket) do
-    {:ok, socket}
+  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:
diff --git a/lib/pleroma/web/chat_channel.ex b/lib/pleroma/web/chat_channel.ex
new file mode 100644
index 000000000..268bef17d
--- /dev/null
+++ b/lib/pleroma/web/chat_channel.ex
@@ -0,0 +1,46 @@
+defmodule Pleroma.Web.ChatChannel do
+  use Phoenix.Channel
+  alias Pleroma.Web.ChatChannel.ChatChannelState
+  alias Pleroma.User
+
+  def join("chat:public", _message, socket) do
+    send(self(), :after_join)
+    {:ok, socket}
+  end
+
+  def handle_info(:after_join, socket) do
+    push socket, "messages", %{messages: ChatChannelState.messages()}
+    {:noreply, socket}
+  end
+
+  def handle_in("new_msg", %{"text" => text}, %{assigns: %{user_name: user_name}} = socket) do
+    author = User.get_cached_by_nickname(user_name)
+    author = Pleroma.Web.MastodonAPI.AccountView.render("account.json", user: author)
+    message = ChatChannelState.add_message(%{text: text, author: author})
+
+    broadcast! socket, "new_msg", message
+    {:noreply, socket}
+  end
+end
+
+defmodule Pleroma.Web.ChatChannel.ChatChannelState do
+  use Agent
+  @max_messages 20
+
+  def start_link do
+    Agent.start_link(fn -> %{max_id: 1, messages: []} end, name: __MODULE__)
+  end
+
+  def add_message(message) do
+    Agent.get_and_update(__MODULE__, fn state ->
+      id = state[:max_id] + 1
+      message = Map.put(message, "id", id)
+      messages = [message | state[:messages]] |> Enum.take(@max_messages)
+      {message, %{max_id: id, messages: messages}}
+    end)
+  end
+
+  def messages() do
+    Agent.get(__MODULE__, fn state -> state[:messages] |> Enum.reverse end)
+  end
+end
diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
index 1a706029a..73d96c73d 100644
--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
@@ -10,7 +10,8 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   require Logger
 
   def verify_credentials(%{assigns: %{user: user}} = conn, _params) do
-    render(conn, UserView, "show.json", %{user: user})
+    token = Phoenix.Token.sign(conn, "user socket", user.id)
+    render(conn, UserView, "show.json", %{user: user, token: token})
   end
 
   def status_update(%{assigns: %{user: user}} = conn, %{"status" => _} = status_data) do
diff --git a/lib/pleroma/web/twitter_api/views/user_view.ex b/lib/pleroma/web/twitter_api/views/user_view.ex
index 3dc18eff8..d1c7e6fbd 100644
--- a/lib/pleroma/web/twitter_api/views/user_view.ex
+++ b/lib/pleroma/web/twitter_api/views/user_view.ex
@@ -25,7 +25,7 @@ defmodule Pleroma.Web.TwitterAPI.UserView do
 
     user_info = User.get_cached_user_info(user)
 
-    %{
+    data = %{
       "created_at" => user.inserted_at |> Utils.format_naive_asctime,
       "description" => HtmlSanitizeEx.strip_tags(user.bio),
       "favourites_count" => 0,
@@ -47,6 +47,12 @@ defmodule Pleroma.Web.TwitterAPI.UserView do
       "cover_photo" => image_url(user.info["banner"]),
       "background_image" => image_url(user.info["background"])
     }
+
+    if assigns[:token] do
+      Map.put(data, "token", assigns[:token])
+    else
+      data
+    end
   end
 
   def render("short.json", %{user: %User{