# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Activity do
use Ecto.Schema
alias Pleroma.Activity
+ alias Pleroma.Activity.Queries
+ alias Pleroma.ActivityExpiration
+ alias Pleroma.Bookmark
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Repo
+ alias Pleroma.ReportNote
+ alias Pleroma.ThreadMute
+ alias Pleroma.User
+ import Ecto.Changeset
import Ecto.Query
@type t :: %__MODULE__{}
- @primary_key {:id, Pleroma.FlakeId, autogenerate: true}
+ @type actor :: String.t()
+
+ @primary_key {:id, FlakeId.Ecto.CompatType, autogenerate: true}
# https://github.com/tootsuite/mastodon/blob/master/app/models/notification.rb#L19
@mastodon_notification_types %{
"Create" => "mention",
- "Follow" => "follow",
+ "Follow" => ["follow", "follow_request"],
"Announce" => "reblog",
- "Like" => "favourite"
+ "Like" => "favourite",
+ "Move" => "move",
+ "EmojiReact" => "pleroma:emoji_reaction"
}
- @mastodon_to_ap_notification_types for {k, v} <- @mastodon_notification_types,
- into: %{},
- do: {v, k}
-
schema "activities" do
field(:data, :map)
field(:local, :boolean, default: true)
field(:actor, :string)
- field(:recipients, {:array, :string})
+ field(:recipients, {:array, :string}, default: [])
+ field(:thread_muted?, :boolean, virtual: true)
+
+ # This is a fake relation,
+ # do not use outside of with_preloaded_user_actor/with_joined_user_actor
+ has_one(:user_actor, User, on_delete: :nothing, foreign_key: :id)
+ # This is a fake relation, do not use outside of with_preloaded_bookmark/get_bookmark
+ has_one(:bookmark, Bookmark)
+ # This is a fake relation, do not use outside of with_preloaded_report_notes
+ has_many(:report_notes, ReportNote)
has_many(:notifications, Notification, on_delete: :delete_all)
# Attention: this is a fake relation, don't try to preload it blindly and expect it to work!
#
# ```
# |> join(:inner, [activity], o in Object,
- # on: fragment("(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
- # o.data, activity.data))
+ # on: fragment("(?->>'id') = COALESCE((?)->'object'->> 'id', (?)->>'object')",
+ # o.data, activity.data, activity.data))
# |> preload([activity, object], [object: object])
# ```
#
# typical case.
has_one(:object, Object, on_delete: :nothing, foreign_key: :id)
+ has_one(:expiration, ActivityExpiration, on_delete: :delete_all)
+
timestamps()
end
- def with_preloaded_object(query) do
- query
- |> join(
- :inner,
- [activity],
- o in Object,
- on: fragment(
- "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
- o.data,
- activity.data
- )
+ def with_joined_object(query, join_type \\ :inner) do
+ join(query, join_type, [activity], o in Object,
+ on:
+ fragment(
+ "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
+ o.data,
+ activity.data,
+ activity.data
+ ),
+ as: :object
)
- |> preload([activity, object], object: object)
end
- def get_by_ap_id(ap_id) do
- Repo.one(
- from(
- activity in Activity,
- where: fragment("(?)->>'id' = ?", activity.data, ^to_string(ap_id))
- )
- )
+ def with_preloaded_object(query, join_type \\ :inner) do
+ query
+ |> has_named_binding?(:object)
+ |> if(do: query, else: with_joined_object(query, join_type))
+ |> preload([activity, object: object], object: object)
end
- def get_by_id(id) do
- Repo.get(Activity, id)
+ # Note: applies to fake activities (ActivityPub.Utils.get_notified_from_object/1 etc.)
+ def user_actor(%Activity{actor: nil}), do: nil
+
+ def user_actor(%Activity{} = activity) do
+ with %User{} <- activity.user_actor do
+ activity.user_actor
+ else
+ _ -> User.get_cached_by_ap_id(activity.actor)
+ end
end
- def get_by_id_with_object(id) do
- from(activity in Activity,
- where: activity.id == ^id,
- inner_join: o in Object,
- on:
- fragment(
- "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
- o.data,
- activity.data
- ),
- preload: [object: o]
+ def with_joined_user_actor(query, join_type \\ :inner) do
+ join(query, join_type, [activity], u in User,
+ on: u.ap_id == activity.actor,
+ as: :user_actor
)
- |> Repo.one()
end
- def by_object_ap_id(ap_id) do
- from(
- activity in Activity,
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
- activity.data,
- activity.data,
- ^to_string(ap_id)
- )
+ def with_preloaded_user_actor(query, join_type \\ :inner) do
+ query
+ |> with_joined_user_actor(join_type)
+ |> preload([activity, user_actor: user_actor], user_actor: user_actor)
+ end
+
+ def with_preloaded_bookmark(query, %User{} = user) do
+ from([a] in query,
+ left_join: b in Bookmark,
+ on: b.user_id == ^user.id and b.activity_id == a.id,
+ preload: [bookmark: b]
)
end
- def create_by_object_ap_id(ap_ids) when is_list(ap_ids) do
- from(
- activity in Activity,
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ANY(?)",
- activity.data,
- activity.data,
- ^ap_ids
- ),
- where: fragment("(?)->>'type' = 'Create'", activity.data)
+ def with_preloaded_bookmark(query, _), do: query
+
+ def with_preloaded_report_notes(query) do
+ from([a] in query,
+ left_join: r in ReportNote,
+ on: a.id == r.activity_id,
+ preload: [report_notes: r]
)
end
- def create_by_object_ap_id(ap_id) when is_binary(ap_id) do
- from(
- activity in Activity,
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
- activity.data,
- activity.data,
- ^to_string(ap_id)
- ),
- where: fragment("(?)->>'type' = 'Create'", activity.data)
+ def with_preloaded_report_notes(query, _), do: query
+
+ def with_set_thread_muted_field(query, %User{} = user) do
+ from([a] in query,
+ left_join: tm in ThreadMute,
+ on: tm.user_id == ^user.id and tm.context == fragment("?->>'context'", a.data),
+ as: :thread_mute,
+ select: %Activity{a | thread_muted?: not is_nil(tm.id)}
)
end
- def create_by_object_ap_id(_), do: nil
+ def with_set_thread_muted_field(query, _), do: query
+
+ def get_by_ap_id(ap_id) do
+ ap_id
+ |> Queries.by_ap_id()
+ |> Repo.one()
+ end
+
+ def get_bookmark(%Activity{} = activity, %User{} = user) do
+ if Ecto.assoc_loaded?(activity.bookmark) do
+ activity.bookmark
+ else
+ Bookmark.get(user.id, activity.id)
+ end
+ end
+
+ def get_bookmark(_, _), do: nil
+
+ def change(struct, params \\ %{}) do
+ struct
+ |> cast(params, [:data, :recipients])
+ |> validate_required([:data])
+ |> unique_constraint(:ap_id, name: :activities_unique_apid_index)
+ end
+
+ def get_by_ap_id_with_object(ap_id) do
+ ap_id
+ |> Queries.by_ap_id()
+ |> with_preloaded_object(:left)
+ |> Repo.one()
+ end
+
+ @spec get_by_id(String.t()) :: Activity.t() | nil
+ def get_by_id(id) do
+ case FlakeId.flake_id?(id) do
+ true ->
+ Activity
+ |> where([a], a.id == ^id)
+ |> restrict_deactivated_users()
+ |> Repo.one()
+
+ _ ->
+ nil
+ end
+ end
+
+ def get_by_id_with_object(id) do
+ Activity
+ |> where(id: ^id)
+ |> with_preloaded_object()
+ |> Repo.one()
+ end
+
+ def all_by_ids_with_object(ids) do
+ Activity
+ |> where([a], a.id in ^ids)
+ |> with_preloaded_object()
+ |> Repo.all()
+ end
+
+ @doc """
+ Accepts `ap_id` or list of `ap_id`.
+ Returns a query.
+ """
+ @spec create_by_object_ap_id(String.t() | [String.t()]) :: Ecto.Queryable.t()
+ def create_by_object_ap_id(ap_id) do
+ ap_id
+ |> Queries.by_object_id()
+ |> Queries.by_type("Create")
+ end
def get_all_create_by_object_ap_id(ap_id) do
- Repo.all(create_by_object_ap_id(ap_id))
+ ap_id
+ |> create_by_object_ap_id()
+ |> Repo.all()
end
def get_create_by_object_ap_id(ap_id) when is_binary(ap_id) do
create_by_object_ap_id(ap_id)
+ |> restrict_deactivated_users()
|> Repo.one()
end
def get_create_by_object_ap_id(_), do: nil
- def create_by_object_ap_id_with_object(ap_id) when is_binary(ap_id) do
- from(
- activity in Activity,
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
- activity.data,
- activity.data,
- ^to_string(ap_id)
- ),
- where: fragment("(?)->>'type' = 'Create'", activity.data),
- inner_join: o in Object,
- on:
- fragment(
- "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
- o.data,
- activity.data
- ),
- preload: [object: o]
- )
+ @doc """
+ Accepts `ap_id` or list of `ap_id`.
+ Returns a query.
+ """
+ @spec create_by_object_ap_id_with_object(String.t() | [String.t()]) :: Ecto.Queryable.t()
+ def create_by_object_ap_id_with_object(ap_id) do
+ ap_id
+ |> create_by_object_ap_id()
+ |> with_preloaded_object()
end
- def create_by_object_ap_id_with_object(_), do: nil
-
- def get_create_by_object_ap_id_with_object(ap_id) do
+ def get_create_by_object_ap_id_with_object(ap_id) when is_binary(ap_id) do
ap_id
|> create_by_object_ap_id_with_object()
|> Repo.one()
end
- def normalize(obj) when is_map(obj), do: Activity.get_by_ap_id(obj["id"])
- def normalize(ap_id) when is_binary(ap_id), do: Activity.get_by_ap_id(ap_id)
- def normalize(_), do: nil
+ def get_create_by_object_ap_id_with_object(_), do: nil
- def get_in_reply_to_activity(%Activity{data: %{"object" => %{"inReplyTo" => ap_id}}}) do
- get_create_by_object_ap_id(ap_id)
+ defp get_in_reply_to_activity_from_object(%Object{data: %{"inReplyTo" => ap_id}}) do
+ get_create_by_object_ap_id_with_object(ap_id)
end
- def get_in_reply_to_activity(_), do: nil
+ defp get_in_reply_to_activity_from_object(_), do: nil
+
+ def get_in_reply_to_activity(%Activity{} = activity) do
+ get_in_reply_to_activity_from_object(Object.normalize(activity))
+ end
- def delete_by_ap_id(id) when is_binary(id) do
- by_object_ap_id(id)
+ def normalize(obj) when is_map(obj), do: get_by_ap_id_with_object(obj["id"])
+ def normalize(ap_id) when is_binary(ap_id), do: get_by_ap_id_with_object(ap_id)
+ def normalize(_), do: nil
+
+ def delete_all_by_object_ap_id(id) when is_binary(id) do
+ id
+ |> Queries.by_object_id()
+ |> Queries.exclude_type("Delete")
|> select([u], u)
|> Repo.delete_all()
|> elem(1)
|> Enum.find(fn
+ %{data: %{"type" => "Create", "object" => ap_id}} when is_binary(ap_id) -> ap_id == id
%{data: %{"type" => "Create", "object" => %{"id" => ap_id}}} -> ap_id == id
_ -> nil
end)
+ |> purge_web_resp_cache()
+ end
+
+ def delete_all_by_object_ap_id(_), do: nil
+
+ defp purge_web_resp_cache(%Activity{} = activity) do
+ %{path: path} = URI.parse(activity.data["id"])
+ Cachex.del(:web_resp_cache, path)
+ activity
+ end
+
+ defp purge_web_resp_cache(nil), do: nil
+
+ def follow_accepted?(
+ %Activity{data: %{"type" => "Follow", "object" => followed_ap_id}} = activity
+ ) do
+ with %User{} = follower <- Activity.user_actor(activity),
+ %User{} = followed <- User.get_cached_by_ap_id(followed_ap_id) do
+ Pleroma.FollowingRelationship.following?(follower, followed)
+ else
+ _ -> false
+ end
end
- def delete_by_ap_id(_), do: nil
+ def follow_accepted?(_), do: false
+
+ @spec mastodon_notification_type(Activity.t()) :: String.t() | nil
- for {ap_type, type} <- @mastodon_notification_types do
+ for {ap_type, type} <- @mastodon_notification_types, not is_list(type) do
def mastodon_notification_type(%Activity{data: %{"type" => unquote(ap_type)}}),
do: unquote(type)
end
+ def mastodon_notification_type(%Activity{data: %{"type" => "Follow"}} = activity) do
+ if follow_accepted?(activity) do
+ "follow"
+ else
+ "follow_request"
+ end
+ end
+
def mastodon_notification_type(%Activity{}), do: nil
+ @spec from_mastodon_notification_type(String.t()) :: String.t() | nil
+ @doc "Converts Mastodon notification type to AR activity type"
def from_mastodon_notification_type(type) do
- Map.get(@mastodon_to_ap_notification_types, type)
+ with {k, _v} <-
+ Enum.find(@mastodon_notification_types, fn {_k, v} -> type in List.wrap(v) end) do
+ k
+ end
end
def all_by_actor_and_id(actor, status_ids \\ [])
|> where([s], s.actor == ^actor)
|> Repo.all()
end
+
+ def follow_requests_for_actor(%Pleroma.User{ap_id: ap_id}) do
+ ap_id
+ |> Queries.by_object_id()
+ |> Queries.by_type("Follow")
+ |> where([a], fragment("? ->> 'state' = 'pending'", a.data))
+ end
+
+ def following_requests_for_actor(%Pleroma.User{ap_id: ap_id}) do
+ Queries.by_type("Follow")
+ |> where([a], fragment("?->>'state' = 'pending'", a.data))
+ |> where([a], a.actor == ^ap_id)
+ |> Repo.all()
+ end
+
+ def restrict_deactivated_users(query) do
+ deactivated_users =
+ from(u in User.Query.build(%{deactivated: true}), select: u.ap_id)
+ |> Repo.all()
+
+ Activity.Queries.exclude_authors(query, deactivated_users)
+ end
+
+ defdelegate search(user, query, options \\ []), to: Pleroma.Activity.Search
+
+ def direct_conversation_id(activity, for_user) do
+ alias Pleroma.Conversation.Participation
+
+ with %{data: %{"context" => context}} when is_binary(context) <- activity,
+ %Pleroma.Conversation{} = conversation <- Pleroma.Conversation.get_for_ap_id(context),
+ %Participation{id: participation_id} <-
+ Participation.for_user_and_conversation(for_user, conversation) do
+ participation_id
+ else
+ _ -> nil
+ end
+ end
end