akkoma/lib/pleroma/web/push/push.ex

124 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"])
Subscription
|> where(user_id: ^user_id)
|> preload(:token)
|> Repo.all()
|> Enum.each(fn record ->
subscription = %{
keys: %{
p256dh: record.key_p256dh,
auth: record.key_auth
},
endpoint: record.endpoint
}
body =
Jason.encode!(%{
title: format_title(notification),
access_token: record.token.token,
body: format_body(notification, actor),
notification_id: notification.id,
notification_type: format_type(notification),
icon: User.avatar_url(actor),
preferred_locale: "en"
})
case WebPushEncryption.send_web_push(body, subscription) 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
_ ->
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
# https://github.com/tootsuite/mastodon/blob/master/app/models/notification.rb#L19
defp format_type(%{activity: %{data: %{"type" => type}}}) do
case type do
"Create" -> "mention"
"Follow" -> "follow"
"Announce" -> "reblog"
"Favorite" -> "favourite"
end
end
defp format_title(%{activity: %{data: %{"type" => type}}}) do
case type do
"Create" -> "New Mention"
"Follow" -> "New Follower"
"Announce" -> "New Repeat"
"Like" -> "New Favorite"
end
end
defp format_body(%{activity: %{data: %{"type" => type}}}, actor) do
case type do
"Create" -> "@#{actor.nickname} has mentiond you"
"Follow" -> "@#{actor.nickname} has followed you"
"Announce" -> "@#{actor.nickname} has repeated your post"
"Like" -> "@#{actor.nickname} has favorited your post"
end
end
end