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-rw-r--r--lib/pleroma/activity.ex3
-rw-r--r--lib/pleroma/activity_expiration.ex68
-rw-r--r--lib/pleroma/activity_expiration_worker.ex62
-rw-r--r--lib/pleroma/application.ex3
-rw-r--r--lib/pleroma/web/common_api/common_api.ex39
-rw-r--r--lib/pleroma/web/mastodon_api/views/status_view.ex11
6 files changed, 176 insertions, 10 deletions
diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex
index 35612c882..2d4e9da0c 100644
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@@ -6,6 +6,7 @@ defmodule Pleroma.Activity do
use Ecto.Schema
alias Pleroma.Activity
+ alias Pleroma.ActivityExpiration
alias Pleroma.Bookmark
alias Pleroma.Notification
alias Pleroma.Object
@@ -59,6 +60,8 @@ defmodule Pleroma.Activity do
# typical case.
has_one(:object, Object, on_delete: :nothing, foreign_key: :id)
+ has_one(:expiration, ActivityExpiration, on_delete: :delete_all)
+
timestamps()
end
diff --git a/lib/pleroma/activity_expiration.ex b/lib/pleroma/activity_expiration.ex
new file mode 100644
index 000000000..bf57abca4
--- /dev/null
+++ b/lib/pleroma/activity_expiration.ex
@@ -0,0 +1,68 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.ActivityExpiration do
+ use Ecto.Schema
+
+ alias Pleroma.Activity
+ alias Pleroma.ActivityExpiration
+ alias Pleroma.FlakeId
+ alias Pleroma.Repo
+
+ import Ecto.Changeset
+ import Ecto.Query
+
+ @type t :: %__MODULE__{}
+ @min_activity_lifetime :timer.hours(1)
+
+ schema "activity_expirations" do
+ belongs_to(:activity, Activity, type: FlakeId)
+ field(:scheduled_at, :naive_datetime)
+ end
+
+ def changeset(%ActivityExpiration{} = expiration, attrs) do
+ expiration
+ |> cast(attrs, [:scheduled_at])
+ |> validate_required([:scheduled_at])
+ |> validate_scheduled_at()
+ end
+
+ def get_by_activity_id(activity_id) do
+ ActivityExpiration
+ |> where([exp], exp.activity_id == ^activity_id)
+ |> Repo.one()
+ end
+
+ def create(%Activity{} = activity, scheduled_at) do
+ %ActivityExpiration{activity_id: activity.id}
+ |> changeset(%{scheduled_at: scheduled_at})
+ |> Repo.insert()
+ end
+
+ def due_expirations(offset \\ 0) do
+ naive_datetime =
+ NaiveDateTime.utc_now()
+ |> NaiveDateTime.add(offset, :millisecond)
+
+ ActivityExpiration
+ |> where([exp], exp.scheduled_at < ^naive_datetime)
+ |> Repo.all()
+ end
+
+ def validate_scheduled_at(changeset) do
+ validate_change(changeset, :scheduled_at, fn _, scheduled_at ->
+ if not expires_late_enough?(scheduled_at) do
+ [scheduled_at: "an ephemeral activity must live for at least one hour"]
+ else
+ []
+ end
+ end)
+ end
+
+ def expires_late_enough?(scheduled_at) do
+ now = NaiveDateTime.utc_now()
+ diff = NaiveDateTime.diff(scheduled_at, now, :millisecond)
+ diff >= @min_activity_lifetime
+ end
+end
diff --git a/lib/pleroma/activity_expiration_worker.ex b/lib/pleroma/activity_expiration_worker.ex
new file mode 100644
index 000000000..a341f58df
--- /dev/null
+++ b/lib/pleroma/activity_expiration_worker.ex
@@ -0,0 +1,62 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.ActivityExpirationWorker do
+ alias Pleroma.Activity
+ alias Pleroma.ActivityExpiration
+ alias Pleroma.Config
+ alias Pleroma.Repo
+ alias Pleroma.User
+ alias Pleroma.Web.CommonAPI
+ require Logger
+ use GenServer
+ import Ecto.Query
+
+ @schedule_interval :timer.minutes(1)
+
+ def start_link do
+ GenServer.start_link(__MODULE__, nil)
+ end
+
+ @impl true
+ def init(_) do
+ if Config.get([ActivityExpiration, :enabled]) do
+ schedule_next()
+ {:ok, nil}
+ else
+ :ignore
+ end
+ end
+
+ def perform(:execute, expiration_id) do
+ try do
+ expiration =
+ ActivityExpiration
+ |> where([e], e.id == ^expiration_id)
+ |> Repo.one!()
+
+ activity = Activity.get_by_id_with_object(expiration.activity_id)
+ user = User.get_by_ap_id(activity.object.data["actor"])
+ CommonAPI.delete(activity.id, user)
+ rescue
+ error ->
+ Logger.error("#{__MODULE__} Couldn't delete expired activity: #{inspect(error)}")
+ end
+ end
+
+ @impl true
+ def handle_info(:perform, state) do
+ ActivityExpiration.due_expirations(@schedule_interval)
+ |> Enum.each(fn expiration ->
+ PleromaJobQueue.enqueue(:activity_expiration, __MODULE__, [:execute, expiration.id])
+ end)
+
+ schedule_next()
+ {:noreply, state}
+ end
+
+ defp schedule_next do
+ Process.send_after(self(), :perform, @schedule_interval)
+ end
+end
diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex
index 25e56b9e2..1e4de272c 100644
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@@ -35,7 +35,8 @@ defmodule Pleroma.Application do
Pleroma.Emoji,
Pleroma.Captcha,
Pleroma.FlakeId,
- Pleroma.ScheduledActivityWorker
+ Pleroma.ScheduledActivityWorker,
+ Pleroma.ActiviyExpirationWorker
] ++
cachex_children() ++
hackney_pool_children() ++
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index 72da46263..69120cc19 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -4,6 +4,7 @@
defmodule Pleroma.Web.CommonAPI do
alias Pleroma.Activity
+ alias Pleroma.ActivityExpiration
alias Pleroma.Conversation.Participation
alias Pleroma.Formatter
alias Pleroma.Object
@@ -200,6 +201,16 @@ defmodule Pleroma.Web.CommonAPI do
end
end
+ defp check_expiry_date(expiry_str) do
+ {:ok, expiry} = Ecto.Type.cast(:naive_datetime, expiry_str)
+
+ if is_nil(expiry) || ActivityExpiration.expires_late_enough?(expiry) do
+ {:ok, expiry}
+ else
+ {:error, "Expiry date is too soon"}
+ end
+ end
+
def post(user, %{"status" => status} = data) do
limit = Pleroma.Config.get([:instance, :limit])
@@ -226,6 +237,7 @@ defmodule Pleroma.Web.CommonAPI do
context <- make_context(in_reply_to, in_reply_to_conversation),
cw <- data["spoiler_text"] || "",
sensitive <- data["sensitive"] || Enum.member?(tags, {"#nsfw", "nsfw"}),
+ {:ok, expires_at} <- check_expiry_date(data["expires_at"]),
full_payload <- String.trim(status <> cw),
:ok <- validate_character_limit(full_payload, attachments, limit),
object <-
@@ -251,15 +263,24 @@ defmodule Pleroma.Web.CommonAPI do
preview? = Pleroma.Web.ControllerHelper.truthy_param?(data["preview"]) || false
direct? = visibility == "direct"
- %{
- to: to,
- actor: user,
- context: context,
- object: object,
- additional: %{"cc" => cc, "directMessage" => direct?}
- }
- |> maybe_add_list_data(user, visibility)
- |> ActivityPub.create(preview?)
+ result =
+ %{
+ to: to,
+ actor: user,
+ context: context,
+ object: object,
+ additional: %{"cc" => cc, "directMessage" => direct?}
+ }
+ |> maybe_add_list_data(user, visibility)
+ |> ActivityPub.create(preview?)
+
+ if expires_at do
+ with {:ok, activity} <- result do
+ {:ok, _} = ActivityExpiration.create(activity, expires_at)
+ end
+ end
+
+ result
else
{:private_to_public, true} ->
{:error, dgettext("errors", "The message visibility must be direct")}
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index 42fbdf51b..a4ee0b5dd 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -8,6 +8,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
require Pleroma.Constants
alias Pleroma.Activity
+ alias Pleroma.ActivityExpiration
alias Pleroma.Conversation
alias Pleroma.Conversation.Participation
alias Pleroma.HTML
@@ -177,6 +178,15 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
bookmarked = Activity.get_bookmark(activity, opts[:for]) != nil
+ client_posted_this_activity = opts[:for] && user.id == opts[:for].id
+
+ expires_at =
+ with true <- client_posted_this_activity,
+ expiration when not is_nil(expiration) <-
+ ActivityExpiration.get_by_activity_id(activity.id) do
+ expiration.scheduled_at
+ end
+
thread_muted? =
case activity.thread_muted? do
thread_muted? when is_boolean(thread_muted?) -> thread_muted?
@@ -288,6 +298,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
in_reply_to_account_acct: reply_to_user && reply_to_user.nickname,
content: %{"text/plain" => content_plaintext},
spoiler_text: %{"text/plain" => summary_plaintext},
+ expires_at: expires_at,
direct_conversation_id: direct_conversation_id
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 08:23:13 +0000