akkoma/lib/pleroma/web/push/push.ex
2018-12-06 19:56:56 +07:00

129 lines
3.2 KiB
Elixir

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")
IO.inspect(data)
: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