defmodule Pleroma.Web.ActivityPub.ActivityPub do
alias Pleroma.Activity
alias Pleroma.Activity.Ir.Topics
+ alias Pleroma.ActivityExpiration
alias Pleroma.Config
alias Pleroma.Constants
alias Pleroma.Conversation
alias Pleroma.Conversation.Participation
+ alias Pleroma.Filter
alias Pleroma.Maps
alias Pleroma.Notification
alias Pleroma.Object
require Logger
require Pleroma.Constants
- # For Announce activities, we filter the recipients based on following status for any actors
- # that match actual users. See issue #164 for more information about why this is necessary.
- defp get_recipients(%{"type" => "Announce"} = data) do
- to = Map.get(data, "to", [])
- cc = Map.get(data, "cc", [])
- bcc = Map.get(data, "bcc", [])
- actor = User.get_cached_by_ap_id(data["actor"])
-
- recipients =
- Enum.filter(Enum.concat([to, cc, bcc]), fn recipient ->
- case User.get_cached_by_ap_id(recipient) do
- nil -> true
- user -> User.following?(user, actor)
- end
- end)
-
- {recipients, to, cc}
- end
-
defp get_recipients(%{"type" => "Create"} = data) do
to = Map.get(data, "to", [])
cc = Map.get(data, "cc", [])
defp increase_poll_votes_if_vote(_create_data), do: :noop
+ @object_types ["ChatMessage"]
@spec persist(map(), keyword()) :: {:ok, Activity.t() | Object.t()}
+ def persist(%{"type" => type} = object, meta) when type in @object_types do
+ with {:ok, object} <- Object.create(object) do
+ {:ok, object, meta}
+ end
+ end
+
def persist(object, meta) do
with local <- Keyword.fetch!(meta, :local),
{recipients, _, _} <- get_recipients(object),
{:containment, :ok} <- {:containment, Containment.contain_child(map)},
{:ok, map, object} <- insert_full_object(map) do
{:ok, activity} =
- Repo.insert(%Activity{
+ %Activity{
data: map,
local: local,
actor: map["actor"],
recipients: recipients
- })
+ }
+ |> Repo.insert()
+ |> maybe_create_activity_expiration()
# Splice in the child object if we have one.
activity = Maps.put_if_present(activity, :object, object)
stream_out_participations(participations)
end
+ defp maybe_create_activity_expiration({:ok, %{data: %{"expires_at" => expires_at}} = activity}) do
+ with {:ok, _} <- ActivityExpiration.create(activity, expires_at) do
+ {:ok, activity}
+ end
+ end
+
+ defp maybe_create_activity_expiration(result), do: result
+
defp create_or_bump_conversation(activity, actor) do
with {:ok, conversation} <- Conversation.create_or_bump_for(activity),
%User{} = user <- User.get_cached_by_ap_id(actor) do
conversation = Repo.preload(conversation, :participations)
last_activity_id =
- fetch_latest_activity_id_for_context(conversation.ap_id, %{
+ fetch_latest_direct_activity_id_for_context(conversation.ap_id, %{
user: user,
blocking_user: user
})
end
end
- @spec update(map()) :: {:ok, Activity.t()} | {:error, any()}
- def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
- local = !(params[:local] == false)
- activity_id = params[:activity_id]
-
- data =
- %{
- "to" => to,
- "cc" => cc,
- "type" => "Update",
- "actor" => actor,
- "object" => object
- }
- |> Maps.put_if_present("id", activity_id)
-
- with {:ok, activity} <- insert(data, local),
- _ <- notify_and_stream(activity),
- :ok <- maybe_federate(activity) do
- {:ok, activity}
- end
- end
-
- @spec follow(User.t(), User.t(), String.t() | nil, boolean()) ::
- {:ok, Activity.t()} | {:error, any()}
- def follow(follower, followed, activity_id \\ nil, local \\ true) do
- with {:ok, result} <-
- Repo.transaction(fn -> do_follow(follower, followed, activity_id, local) end) do
- result
- end
- end
-
- defp do_follow(follower, followed, activity_id, local) do
- data = make_follow_data(follower, followed, activity_id)
-
- with {:ok, activity} <- insert(data, local),
- _ <- notify_and_stream(activity),
- :ok <- maybe_federate(activity) do
- {:ok, activity}
- else
- {:error, error} -> Repo.rollback(error)
- end
- end
-
@spec unfollow(User.t(), User.t(), String.t() | nil, boolean()) ::
{:ok, Activity.t()} | nil | {:error, any()}
def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
end
end
- @spec block(User.t(), User.t(), String.t() | nil, boolean()) ::
- {:ok, Activity.t()} | {:error, any()}
- def block(blocker, blocked, activity_id \\ nil, local \\ true) do
- with {:ok, result} <-
- Repo.transaction(fn -> do_block(blocker, blocked, activity_id, local) end) do
- result
- end
- end
-
- defp do_block(blocker, blocked, activity_id, local) do
- unfollow_blocked = Config.get([:activitypub, :unfollow_blocked])
-
- if unfollow_blocked and fetch_latest_follow(blocker, blocked) do
- unfollow(blocker, blocked, nil, local)
- end
-
- block_data = make_block_data(blocker, blocked, activity_id)
-
- with {:ok, activity} <- insert(block_data, local),
- _ <- notify_and_stream(activity),
- :ok <- maybe_federate(activity) do
- {:ok, activity}
- else
- {:error, error} -> Repo.rollback(error)
- end
- end
-
@spec flag(map()) :: {:ok, Activity.t()} | {:error, any()}
def flag(
%{
|> maybe_set_thread_muted_field(opts)
|> restrict_blocked(opts)
|> restrict_recipients(recipients, opts[:user])
+ |> restrict_filtered(opts)
|> where(
[activity],
fragment(
|> Repo.all()
end
- @spec fetch_latest_activity_id_for_context(String.t(), keyword() | map()) ::
+ @spec fetch_latest_direct_activity_id_for_context(String.t(), keyword() | map()) ::
FlakeId.Ecto.CompatType.t() | nil
- def fetch_latest_activity_id_for_context(context, opts \\ %{}) do
+ def fetch_latest_direct_activity_id_for_context(context, opts \\ %{}) do
context
|> fetch_activities_for_context_query(Map.merge(%{skip_preload: true}, opts))
+ |> restrict_visibility(%{visibility: "direct"})
|> limit(1)
|> select([a], a.id)
|> Repo.one()
end
end
+ defp restrict_announce_object_actor(_query, %{announce_filtering_user: _, skip_preload: true}) do
+ raise "Can't use the child object without preloading!"
+ end
+
+ defp restrict_announce_object_actor(query, %{announce_filtering_user: %{ap_id: actor}}) do
+ from(
+ [activity, object] in query,
+ where:
+ fragment(
+ "?->>'type' != ? or ?->>'actor' != ?",
+ activity.data,
+ "Announce",
+ object.data,
+ ^actor
+ )
+ )
+ end
+
+ defp restrict_announce_object_actor(query, _), do: query
+
defp restrict_since(query, %{since_id: ""}), do: query
defp restrict_since(query, %{since_id: since_id}) do
defp restrict_media(query, %{only_media: true}) do
from(
- [_activity, object] in query,
+ [activity, object] in query,
+ where: fragment("(?)->>'type' = ?", activity.data, "Create"),
where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
)
end
defp restrict_instance(query, _), do: query
+ defp restrict_filtered(query, %{user: %User{} = user}) do
+ case Filter.compose_regex(user) do
+ nil ->
+ query
+
+ regex ->
+ from([activity, object] in query,
+ where:
+ fragment("not(?->>'content' ~* ?)", object.data, ^regex) or
+ activity.actor == ^user.ap_id
+ )
+ end
+ end
+
+ defp restrict_filtered(query, %{blocking_user: %User{} = user}) do
+ restrict_filtered(query, %{user: user})
+ end
+
+ defp restrict_filtered(query, _), do: query
+
defp exclude_poll_votes(query, %{include_poll_votes: true}), do: query
defp exclude_poll_votes(query, _) do
end
end
+ defp exclude_chat_messages(query, %{include_chat_messages: true}), do: query
+
+ defp exclude_chat_messages(query, _) do
+ if has_named_binding?(query, :object) do
+ from([activity, object: o] in query,
+ where: fragment("not(?->>'type' = ?)", o.data, "ChatMessage")
+ )
+ else
+ query
+ end
+ end
+
defp exclude_invisible_actors(query, %{invisible_actors: true}), do: query
defp exclude_invisible_actors(query, _opts) do
|> restrict_favorited_by(opts)
|> restrict_blocked(restrict_blocked_opts)
|> restrict_muted(restrict_muted_opts)
+ |> restrict_filtered(opts)
|> restrict_media(opts)
|> restrict_visibility(opts)
|> restrict_thread_visibility(opts, config)
|> restrict_pinned(opts)
|> restrict_muted_reblogs(restrict_muted_reblogs_opts)
|> restrict_instance(opts)
+ |> restrict_announce_object_actor(opts)
+ |> restrict_filtered(opts)
|> Activity.restrict_deactivated_users()
|> exclude_poll_votes(opts)
+ |> exclude_chat_messages(opts)
|> exclude_invisible_actors(opts)
|> exclude_visibility(opts)
end
|> Activity.Queries.by_type("Like")
|> Activity.with_joined_object()
|> Object.with_joined_activity()
- |> select([_like, object, activity], %{activity | object: object})
+ |> select([like, object, activity], %{activity | object: object, pagination_id: like.id})
|> order_by([like, _, _], desc_nulls_last: like.id)
|> Pagination.fetch_paginated(
Map.merge(params, %{skip_order: true}),
- pagination,
- :object_activity
+ pagination
)
end
end)
locked = data["manuallyApprovesFollowers"] || false
+ capabilities = data["capabilities"] || %{}
+ accepts_chat_messages = capabilities["acceptsChatMessages"]
data = Transmogrifier.maybe_fix_user_object(data)
discoverable = data["discoverable"] || false
invisible = data["invisible"] || false
also_known_as: Map.get(data, "alsoKnownAs", []),
public_key: public_key,
inbox: data["inbox"],
- shared_inbox: shared_inbox
+ shared_inbox: shared_inbox,
+ accepts_chat_messages: accepts_chat_messages
}
# nickname can be nil because of virtual actors
end
end
+ def maybe_handle_clashing_nickname(data) do
+ nickname = data[:nickname]
+
+ with %User{} = old_user <- User.get_by_nickname(nickname),
+ {_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
+ Logger.info(
+ "Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{
+ data[:ap_id]
+ }, renaming."
+ )
+
+ old_user
+ |> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"})
+ |> User.update_and_set_cache()
+ else
+ {:ap_id_comparison, true} ->
+ Logger.info(
+ "Found an old user for #{nickname}, but the ap id #{data[:ap_id]} is the same as the new user. Race condition? Not changing anything."
+ )
+
+ _ ->
+ nil
+ end
+ end
+
def make_user_from_ap_id(ap_id) do
user = User.get_cached_by_ap_id(ap_id)
|> User.remote_user_changeset(data)
|> User.update_and_set_cache()
else
+ maybe_handle_clashing_nickname(data)
+
data
|> User.remote_user_changeset()
|> Repo.insert()
projects / akkoma / blobdiff