# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.ActivityPub do
+ alias Akkoma.Collections
alias Pleroma.Activity
alias Pleroma.Activity.Ir.Topics
alias Pleroma.Config
defp increase_replies_count_if_reply(_create_data), do: :noop
- @object_types ~w[ChatMessage Question Answer Audio Video Event Article Note Page]
+ @object_types ~w[Question Answer Audio Video Event Article Note Page]
@impl true
def persist(%{"type" => type} = object, meta) when type in @object_types do
with {:ok, object} <- Object.create(object) do
end
end
+ @unpersisted_activity_types ~w[Undo Delete Remove Accept Reject]
+ @impl true
+ def persist(%{"type" => type} = object, [local: false] = meta)
+ when type in @unpersisted_activity_types do
+ {:ok, object, meta}
+ {recipients, _, _} = get_recipients(object)
+
+ unpersisted = %Activity{
+ data: object,
+ local: false,
+ recipients: recipients,
+ actor: object["actor"]
+ }
+
+ {:ok, unpersisted, meta}
+ end
+
@impl true
def persist(object, meta) do
with local <- Keyword.fetch!(meta, :local),
Task.start(fn -> Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) end)
end)
+ # Add local posts to search index
+ if local, do: Pleroma.Search.add_to_index(activity)
+
{:ok, activity}
else
%Activity{} = activity ->
def notify_and_stream(activity) do
Notification.create_notifications(activity)
- conversation = create_or_bump_conversation(activity, activity.actor)
+ original_activity =
+ case activity do
+ %{data: %{"type" => "Update"}, object: %{data: %{"id" => id}}} ->
+ Activity.get_create_by_object_ap_id_with_object(id)
+
+ _ ->
+ activity
+ end
+
+ conversation = create_or_bump_conversation(original_activity, original_activity.actor)
participations = get_participations(conversation)
stream_out(activity)
stream_out_participations(participations)
@impl true
def stream_out(%Activity{data: %{"type" => data_type}} = activity)
- when data_type in ["Create", "Announce", "Delete"] do
+ when data_type in ["Create", "Announce", "Delete", "Update"] do
activity
|> Topics.get_activity_topics()
|> Streamer.stream(activity)
:ok
end
- @spec listen(map()) :: {:ok, Activity.t()} | {:error, any()}
- def listen(%{to: to, actor: actor, context: context, object: object} = params) do
- additional = params[:additional] || %{}
- # only accept false as false value
- local = !(params[:local] == false)
- published = params[:published]
-
- listen_data =
- make_listen_data(
- %{to: to, actor: actor, published: published, context: context, object: object},
- additional
- )
-
- with {:ok, activity} <- insert(listen_data, local),
- _ <- notify_and_stream(activity),
- :ok <- maybe_federate(activity) do
- {:ok, activity}
- 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
- defp do_unfollow(follower, followed, activity_id, local) do
+ defp do_unfollow(follower, followed, activity_id, local)
+
+ defp do_unfollow(follower, followed, activity_id, local) when local == true do
with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
- {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
{:ok, activity} <- insert(unfollow_data, local),
+ {:ok, _activity} <- Repo.delete(follow_activity),
_ <- notify_and_stream(activity),
:ok <- maybe_federate(activity) do
{:ok, activity}
end
end
+ defp do_unfollow(follower, followed, activity_id, false) do
+ # On a remote unfollow, _remove_ their activity from the database, since some software (MISSKEEEEY)
+ # uses deterministic ids for follows.
+ with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
+ {:ok, _activity} <- Repo.delete(follow_activity),
+ unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
+ unfollow_activity <- make_unfollow_activity(unfollow_data, false),
+ _ <- notify_and_stream(unfollow_activity) do
+ {:ok, unfollow_activity}
+ else
+ nil -> nil
+ {:error, error} -> Repo.rollback(error)
+ end
+ end
+
+ defp make_unfollow_activity(data, local) do
+ {recipients, _, _} = get_recipients(data)
+
+ %Activity{
+ data: data,
+ local: local,
+ actor: data["actor"],
+ recipients: recipients
+ }
+ end
+
@spec flag(map()) :: {:ok, Activity.t()} | {:error, any()}
def flag(params) do
with {:ok, result} <- Repo.transaction(fn -> do_flag(params) end) do
"type" => "Move",
"actor" => origin.ap_id,
"object" => origin.ap_id,
- "target" => target.ap_id
+ "target" => target.ap_id,
+ "to" => [origin.follower_address]
}
with true <- origin.ap_id in target.also_known_as,
@spec fetch_public_or_unlisted_activities(map(), Pagination.type()) :: [Activity.t()]
def fetch_public_or_unlisted_activities(opts \\ %{}, pagination \\ :keyset) do
+ includes_local_public = Map.get(opts, :includes_local_public, false)
+
opts = Map.delete(opts, :user)
- [Constants.as_public()]
+ intended_recipients =
+ if includes_local_public do
+ [Constants.as_public(), as_local_public()]
+ else
+ [Constants.as_public()]
+ end
+
+ intended_recipients
|> fetch_activities_query(opts)
|> restrict_unlisted(opts)
|> fetch_paginated_optimized(opts, pagination)
do: query
defp restrict_thread_visibility(query, %{user: %User{ap_id: ap_id}}, _) do
+ local_public = as_local_public()
+
from(
a in query,
- where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data)
+ where: fragment("thread_visibility(?, (?)->>'id', ?) = true", ^ap_id, a.data, ^local_public)
)
end
|> fetch_activities(params, :offset)
end
- defp user_activities_recipients(%{godmode: true}), do: []
+ def user_activities_recipients(%{godmode: true}), do: []
- defp user_activities_recipients(%{reading_user: reading_user}) do
- if reading_user do
- [Constants.as_public(), reading_user.ap_id | User.following(reading_user)]
+ def user_activities_recipients(%{reading_user: reading_user}) do
+ if not is_nil(reading_user) and reading_user.local do
+ [
+ Constants.as_public(),
+ as_local_public(),
+ reading_user.ap_id | User.following(reading_user)
+ ]
else
[Constants.as_public()]
end
)
end
+ # Essentially, either look for activities addressed to `recipients`, _OR_ ones
+ # that reference a hashtag that the user follows
+ # Firstly, two fallbacks in case there's no hashtag constraint, or the user doesn't
+ # follow any
+ defp restrict_recipients_or_hashtags(query, recipients, user, nil) do
+ restrict_recipients(query, recipients, user)
+ end
+
+ defp restrict_recipients_or_hashtags(query, recipients, user, []) do
+ restrict_recipients(query, recipients, user)
+ end
+
+ defp restrict_recipients_or_hashtags(query, recipients, _user, hashtag_ids) do
+ from([activity, object] in query)
+ |> join(:left, [activity, object], hto in "hashtags_objects",
+ on: hto.object_id == object.id,
+ as: :hto
+ )
+ |> where(
+ [activity, object, hto: hto],
+ (hto.hashtag_id in ^hashtag_ids and ^Constants.as_public() in activity.recipients) or
+ fragment("? && ?", ^recipients, activity.recipients)
+ )
+ end
+
defp restrict_local(query, %{local_only: true}) do
from(activity in query, where: activity.local == true)
end
)
end
+ defp restrict_instance(query, %{instance: instance}) when is_list(instance) do
+ from(
+ activity in query,
+ where: fragment("split_part(actor::text, '/'::text, 3) = ANY(?)", ^instance)
+ )
+ end
+
defp restrict_instance(query, _), do: query
defp restrict_filtered(query, %{user: %User{} = user}) 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, %{type: "Flag"}), do: query
defp exclude_invisible_actors(query, %{invisible_actors: true}), do: query
defp exclude_invisible_actors(query, _opts) do
- invisible_ap_ids =
- User.Query.build(%{invisible: true, select: [:ap_id]})
- |> Repo.all()
- |> Enum.map(fn %{ap_id: ap_id} -> ap_id end)
-
- from([activity] in query, where: activity.actor not in ^invisible_ap_ids)
+ query
+ |> join(:inner, [activity], u in User,
+ as: :u,
+ on: activity.actor == u.ap_id and u.invisible == false
+ )
end
defp exclude_id(query, %{exclude_id: id}) when is_binary(id) do
|> maybe_preload_report_notes(opts)
|> maybe_set_thread_muted_field(opts)
|> maybe_order(opts)
- |> restrict_recipients(recipients, opts[:user])
+ |> restrict_recipients_or_hashtags(recipients, opts[:user], opts[:followed_hashtags])
|> restrict_replies(opts)
|> restrict_since(opts)
|> restrict_local(opts)
|> restrict_instance(opts)
|> restrict_announce_object_actor(opts)
|> restrict_filtered(opts)
- |> Activity.restrict_deactivated_users()
+ |> maybe_restrict_deactivated_users(opts)
|> exclude_poll_votes(opts)
- |> exclude_chat_messages(opts)
|> exclude_invisible_actors(opts)
|> exclude_visibility(opts)
defp normalize_image(urls) when is_list(urls), do: urls |> List.first() |> normalize_image()
defp normalize_image(_), do: nil
- defp object_to_user_data(data) do
+ defp object_to_user_data(data, additional) do
fields =
data
|> Map.get("attachment", [])
end)
is_locked = data["manuallyApprovesFollowers"] || false
- capabilities = data["capabilities"] || %{}
- accepts_chat_messages = capabilities["acceptsChatMessages"]
data = Transmogrifier.maybe_fix_user_object(data)
is_discoverable = data["discoverable"] || false
invisible = data["invisible"] || false
public_key =
if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
data["publicKey"]["publicKeyPem"]
- else
- nil
end
shared_inbox =
if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
data["endpoints"]["sharedInbox"]
- else
- nil
end
- user_data = %{
+ # if WebFinger request was already done, we probably have acct, otherwise
+ # we request WebFinger here
+ nickname = additional[:nickname_from_acct] || generate_nickname(data)
+
+ # also_known_as must be a URL
+ also_known_as =
+ data
+ |> Map.get("alsoKnownAs", [])
+ |> Enum.filter(fn url ->
+ case URI.parse(url) do
+ %URI{scheme: "http"} -> true
+ %URI{scheme: "https"} -> true
+ _ -> false
+ end
+ end)
+
+ %{
ap_id: data["id"],
uri: get_actor_url(data["url"]),
ap_enabled: true,
featured_address: featured_address,
bio: data["summary"] || "",
actor_type: actor_type,
- also_known_as: Map.get(data, "alsoKnownAs", []),
+ also_known_as: also_known_as,
public_key: public_key,
inbox: data["inbox"],
shared_inbox: shared_inbox,
- accepts_chat_messages: accepts_chat_messages,
- pinned_objects: pinned_objects
+ pinned_objects: pinned_objects,
+ nickname: nickname
}
+ end
- # nickname can be nil because of virtual actors
- if data["preferredUsername"] do
- Map.put(
- user_data,
- :nickname,
- "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
- )
+ defp generate_nickname(%{"preferredUsername" => username} = data) when is_binary(username) do
+ generated = "#{username}@#{URI.parse(data["id"]).host}"
+
+ if Config.get([WebFinger, :update_nickname_on_user_fetch]) do
+ case WebFinger.finger(generated) do
+ {:ok, %{"subject" => "acct:" <> acct}} -> acct
+ _ -> generated
+ end
else
- Map.put(user_data, :nickname, nil)
+ generated
end
end
+ # nickname can be nil because of virtual actors
+ defp generate_nickname(_), do: nil
+
def fetch_follow_information_for_user(user) do
with {:ok, following_data} <-
Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
defp collection_private(_data), do: {:ok, true}
- def user_data_from_user_object(data) do
+ def user_data_from_user_object(data, additional \\ []) do
with {:ok, data} <- MRF.filter(data) do
- {:ok, object_to_user_data(data)}
+ {:ok, object_to_user_data(data, additional)}
else
e -> {:error, e}
end
end
- def fetch_and_prepare_user_from_ap_id(ap_id) do
+ def fetch_and_prepare_user_from_ap_id(ap_id, additional \\ []) do
with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
- {:ok, data} <- user_data_from_user_object(data) do
+ {:ok, data} <- user_data_from_user_object(data, additional) do
{:ok, maybe_update_follow_information(data)}
else
# If this has been deleted, only log a debug and not an error
{:error, e}
{:error, {:reject, reason} = e} ->
- Logger.info("Rejected user #{ap_id}: #{inspect(reason)}")
+ Logger.debug("Rejected user #{ap_id}: #{inspect(reason)}")
{:error, e}
{:error, e} ->
end
def pin_data_from_featured_collection(%{
- "type" => type,
- "orderedItems" => objects
- })
+ "type" => "OrderedCollection",
+ "first" => first
+ }) do
+ with {:ok, page} <- Fetcher.fetch_and_contain_remote_object_from_id(first) do
+ page
+ |> Map.get("orderedItems")
+ |> Map.new(fn %{"id" => object_ap_id} -> {object_ap_id, NaiveDateTime.utc_now()} end)
+ else
+ e ->
+ Logger.error("Could not decode featured collection at fetch #{first}, #{inspect(e)}")
+ {:ok, %{}}
+ end
+ end
+
+ def pin_data_from_featured_collection(
+ %{
+ "type" => type
+ } = collection
+ )
when type in ["OrderedCollection", "Collection"] do
- Map.new(objects, fn %{"id" => object_ap_id} -> {object_ap_id, NaiveDateTime.utc_now()} end)
+ {:ok, objects} = Collections.Fetcher.fetch_collection(collection)
+
+ # Items can either be a map _or_ a string
+ objects
+ |> Map.new(fn
+ ap_id when is_binary(ap_id) -> {ap_id, NaiveDateTime.utc_now()}
+ %{"id" => object_ap_id} -> {object_ap_id, NaiveDateTime.utc_now()}
+ end)
end
def fetch_and_prepare_featured_from_ap_id(nil) do
end
end
- def make_user_from_ap_id(ap_id) do
+ def make_user_from_ap_id(ap_id, additional \\ []) do
user = User.get_cached_by_ap_id(ap_id)
if user && !User.ap_enabled?(user) do
Transmogrifier.upgrade_user_from_ap_id(ap_id)
else
- with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
+ with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id, additional) do
{:ok, _pid} = Task.start(fn -> pinned_fetch_task(data) end)
if user do
end
def make_user_from_nickname(nickname) do
- with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
- make_user_from_ap_id(ap_id)
+ with {:ok, %{"ap_id" => ap_id, "subject" => "acct:" <> acct}} when not is_nil(ap_id) <-
+ WebFinger.finger(nickname) do
+ make_user_from_ap_id(ap_id, nickname_from_acct: acct)
else
_e -> {:error, "No AP id in WebFinger"}
end
|> restrict_visibility(%{visibility: "direct"})
|> order_by([activity], asc: activity.id)
end
+
+ defp maybe_restrict_deactivated_users(activity, %{type: "Flag"}), do: activity
+
+ defp maybe_restrict_deactivated_users(activity, _opts),
+ do: Activity.restrict_deactivated_users(activity)
end