mirror of
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186 lines
5.4 KiB
Elixir
186 lines
5.4 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Push.Impl do
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@moduledoc "The module represents implementation push web notification"
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alias Pleroma.Activity
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alias Pleroma.Notification
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alias Pleroma.Object
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.Metadata.Utils
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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", "Move"]
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@doc "Performs sending notifications for user subscriptions"
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@spec perform(Notification.t()) :: list(any) | :error
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def perform(
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%{
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activity: %{data: %{"type" => activity_type}} = activity,
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user: %User{id: user_id}
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} = notification
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)
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when activity_type in @types do
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actor = User.get_cached_by_ap_id(notification.activity.data["actor"])
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mastodon_type = notification.type
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gcm_api_key = Application.get_env(:web_push_encryption, :gcm_api_key)
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avatar_url = User.avatar_url(actor)
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object = Object.normalize(activity, false)
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user = User.get_cached_by_id(user_id)
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direct_conversation_id = Activity.direct_conversation_id(activity, user)
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for subscription <- fetch_subscriptions(user_id),
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Subscription.enabled?(subscription, mastodon_type) do
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%{
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access_token: subscription.token.token,
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notification_id: notification.id,
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notification_type: mastodon_type,
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icon: avatar_url,
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preferred_locale: "en",
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pleroma: %{
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activity_id: notification.activity.id,
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direct_conversation_id: direct_conversation_id
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}
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}
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|> Map.merge(build_content(notification, actor, object, mastodon_type))
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|> Jason.encode!()
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|> push_message(build_sub(subscription), gcm_api_key, subscription)
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end
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|> (&{:ok, &1}).()
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end
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def perform(_) do
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Logger.warn("Unknown notification type")
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{:error, :unknown_type}
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end
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@doc "Push message to web"
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def push_message(body, sub, api_key, subscription) do
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case WebPushEncryption.send_web_push(body, sub, api_key) 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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@doc "Gets user subscriptions"
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def fetch_subscriptions(user_id) do
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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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end
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def build_sub(subscription) do
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%{
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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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end
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def build_content(notification, actor, object, mastodon_type \\ nil)
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def build_content(
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%{
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user: %{notification_settings: %{hide_notification_contents: true}}
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} = notification,
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_actor,
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_object,
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mastodon_type
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) do
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%{body: format_title(notification, mastodon_type)}
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end
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def build_content(notification, actor, object, mastodon_type) do
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mastodon_type = mastodon_type || notification.type
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%{
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title: format_title(notification, mastodon_type),
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body: format_body(notification, actor, object, mastodon_type)
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}
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end
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def format_body(activity, actor, object, mastodon_type \\ nil)
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def format_body(_activity, actor, %{data: %{"type" => "ChatMessage", "content" => content}}, _) do
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case content do
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nil -> "@#{actor.nickname}: (Attachment)"
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content -> "@#{actor.nickname}: #{Utils.scrub_html_and_truncate(content, 80)}"
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end
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end
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def format_body(
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%{activity: %{data: %{"type" => "Create"}}},
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actor,
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%{data: %{"content" => content}},
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_mastodon_type
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) do
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"@#{actor.nickname}: #{Utils.scrub_html_and_truncate(content, 80)}"
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end
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def format_body(
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%{activity: %{data: %{"type" => "Announce"}}},
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actor,
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%{data: %{"content" => content}},
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_mastodon_type
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) do
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"@#{actor.nickname} repeated: #{Utils.scrub_html_and_truncate(content, 80)}"
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end
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def format_body(
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%{activity: %{data: %{"type" => type}}} = notification,
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actor,
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_object,
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mastodon_type
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)
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when type in ["Follow", "Like"] do
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mastodon_type = mastodon_type || notification.type
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case mastodon_type do
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"follow" -> "@#{actor.nickname} has followed you"
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"follow_request" -> "@#{actor.nickname} has requested to follow you"
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"favourite" -> "@#{actor.nickname} has favorited your post"
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end
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end
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def format_title(activity, mastodon_type \\ nil)
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def format_title(%{activity: %{data: %{"directMessage" => true}}}, _mastodon_type) do
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"New Direct Message"
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end
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def format_title(%{type: type}, mastodon_type) do
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case mastodon_type || type do
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"mention" -> "New Mention"
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"follow" -> "New Follower"
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"follow_request" -> "New Follow Request"
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"reblog" -> "New Repeat"
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"favourite" -> "New Favorite"
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"pleroma:chat_mention" -> "New Chat Message"
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type -> "New #{String.capitalize(type || "event")}"
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end
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end
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end
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