defmodule Pleroma.Web.Push do use GenServer alias Pleroma.{Repo, User} alias Pleroma.Web.Push.Subscription require Logger import Ecto.Query @types ["Create", "Follow", "Announce", "Like"] @gcm_api_key nil def start_link() do GenServer.start_link(__MODULE__, :ok, name: __MODULE__) end def init(:ok) do case Application.get_env(:web_push_encryption, :vapid_details) do nil -> Logger.warn( "VAPID key pair is not found. Please, add VAPID configuration to config. Run `mix web_push.gen.keypair` mix task to create a key pair" ) :ignore _ -> {:ok, %{}} end end def send(notification) do if Application.get_env(:web_push_encryption, :vapid_details) do GenServer.cast(Pleroma.Web.Push, {:send, notification}) end end def handle_cast( {:send, %{activity: %{data: %{"type" => type}}, user_id: user_id} = notification}, state ) when type in @types do actor = User.get_cached_by_ap_id(notification.activity.data["actor"]) body = notification |> format(actor) |> Jason.encode!() Subscription |> where(user_id: ^user_id) |> Repo.all() |> Enum.each(fn record -> subscription = %{ keys: %{ p256dh: record.key_p256dh, auth: record.key_auth }, endpoint: record.endpoint } case WebPushEncryption.send_web_push(body, subscription, @gcm_api_key) do {:ok, %{status_code: code}} when 400 <= code and code < 500 -> Logger.debug("Removing subscription record") Repo.delete!(record) :ok {:ok, %{status_code: code}} when 200 <= code and code < 300 -> :ok {:ok, %{status_code: code}} -> Logger.error("Web Push Nonification failed with code: #{code}") :error data -> Logger.error("Web Push Nonification failed with unknown error") :error end end) {:noreply, state} end def handle_cast({:send, _}, state) do Logger.warn("Unknown notification type") {:noreply, state} end def format(%{activity: %{data: %{"type" => "Create"}}}, actor) do %{ title: "New Mention", body: "@#{actor.nickname} has mentiond you", icon: get_avatar_url(actor) } end def format(%{activity: %{data: %{"type" => "Follow"}}}, actor) do %{ title: "New Follower", body: "@#{actor.nickname} has followed you", icon: get_avatar_url(actor) } end def format(%{activity: %{data: %{"type" => "Announce"}}}, actor) do %{ title: "New Announce", body: "@#{actor.nickname} has announced your post", icon: get_avatar_url(actor) } end def format(%{activity: %{data: %{"type" => "Like"}}}, actor) do %{ title: "New Like", body: "@#{actor.nickname} has liked your post", icon: get_avatar_url(actor) } end def get_avatar_url(%{avatar: %{"type" => "Image", "url" => urls}}) do case List.first(urls) do %{"href" => url} -> url _ -> get_avatar_url(nil) end end def get_avatar_url(_) do Pleroma.Web.Endpoint.static_url() <> "/images/avi.png" end end