139 lines
3.5 KiB
Elixir
139 lines
3.5 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Push do
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use GenServer
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alias Pleroma.{Repo, User}
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alias Pleroma.Web.Push.Subscription
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require Logger
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import Ecto.Query
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@types ["Create", "Follow", "Announce", "Like"]
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def start_link() do
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GenServer.start_link(__MODULE__, :ok, name: __MODULE__)
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end
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def vapid_config() do
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Application.get_env(:web_push_encryption, :vapid_details, [])
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end
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def enabled() do
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case vapid_config() do
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[] -> false
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list when is_list(list) -> true
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_ -> false
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end
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end
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def send(notification) do
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if enabled() do
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GenServer.cast(Pleroma.Web.Push, {:send, notification})
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end
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end
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def init(:ok) do
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if !enabled() do
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Logger.warn("""
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VAPID key pair is not found. If you wish to enabled web push, please run
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mix web_push.gen.keypair
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and add the resulting output to your configuration file.
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""")
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:ignore
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else
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{:ok, nil}
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end
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end
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def handle_cast(
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{:send, %{activity: %{data: %{"type" => type}}, user_id: user_id} = notification},
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state
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)
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when type in @types do
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actor = User.get_cached_by_ap_id(notification.activity.data["actor"])
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type = Pleroma.Activity.mastodon_notification_type(notification.activity)
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Subscription
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|> where(user_id: ^user_id)
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|> preload(:token)
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|> Repo.all()
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|> Enum.filter(fn subscription ->
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get_in(subscription.data, ["alerts", type]) || false
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end)
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|> Enum.each(fn subscription ->
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sub = %{
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keys: %{
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p256dh: subscription.key_p256dh,
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auth: subscription.key_auth
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},
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endpoint: subscription.endpoint
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}
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body =
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Jason.encode!(%{
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title: format_title(notification),
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access_token: subscription.token.token,
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body: format_body(notification, actor),
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notification_id: notification.id,
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notification_type: type,
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icon: User.avatar_url(actor),
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preferred_locale: "en"
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})
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case WebPushEncryption.send_web_push(
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body,
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sub,
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Application.get_env(:web_push_encryption, :gcm_api_key)
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) do
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{:ok, %{status_code: code}} when 400 <= code and code < 500 ->
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Logger.debug("Removing subscription record")
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Repo.delete!(subscription)
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:ok
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{:ok, %{status_code: code}} when 200 <= code and code < 300 ->
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:ok
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{:ok, %{status_code: code}} ->
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Logger.error("Web Push Notification failed with code: #{code}")
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:error
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_ ->
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Logger.error("Web Push Notification failed with unknown error")
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:error
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end
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end)
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{:noreply, state}
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end
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def handle_cast({:send, _}, state) do
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Logger.warn("Unknown notification type")
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{:noreply, state}
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end
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defp format_title(%{activity: %{data: %{"type" => type}}}) do
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case type do
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"Create" -> "New Mention"
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"Follow" -> "New Follower"
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"Announce" -> "New Repeat"
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"Like" -> "New Favorite"
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end
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end
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defp format_body(%{activity: %{data: %{"type" => type}}}, actor) do
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case type do
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"Create" -> "@#{actor.nickname} has mentioned you"
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"Follow" -> "@#{actor.nickname} has followed you"
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"Announce" -> "@#{actor.nickname} has repeated your post"
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"Like" -> "@#{actor.nickname} has favorited your post"
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end
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end
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end
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