A module to handle coding from internal to wire ActivityPub and back.
"""
alias Pleroma.Activity
+ alias Pleroma.FollowingRelationship
alias Pleroma.Object
alias Pleroma.Object.Containment
alias Pleroma.Repo
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.Federator
+ alias Pleroma.Workers.TransmogrifierWorker
import Ecto.Query
def handle_incoming(%{"id" => nil}, _options), do: :error
def handle_incoming(%{"id" => ""}, _options), do: :error
# length of https:// = 8, should validate better, but good enough for now.
- def handle_incoming(%{"id" => id}, _options) when not (is_binary(id) and length(id) > 8),
+ def handle_incoming(%{"id" => id}, _options) when is_binary(id) and byte_size(id) < 8,
do: :error
# TODO: validate those with a Ecto scheme
%{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
options
)
- when objtype in ["Article", "Note", "Video", "Page", "Question", "Answer"] do
+ when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer"] do
actor = Containment.get_actor(data)
data =
end
end
+ def handle_incoming(
+ %{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data,
+ options
+ ) do
+ actor = Containment.get_actor(data)
+
+ data =
+ Map.put(data, "actor", actor)
+ |> fix_addressing
+
+ with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
+ options = Keyword.put(options, :depth, (options[:depth] || 0) + 1)
+ object = fix_object(object, options)
+
+ params = %{
+ to: data["to"],
+ object: object,
+ actor: user,
+ context: nil,
+ local: false,
+ published: data["published"],
+ additional: Map.take(data, ["cc", "id"])
+ }
+
+ ActivityPub.listen(params)
+ else
+ _e -> :error
+ end
+ end
+
def handle_incoming(
%{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data,
_options
{_, false} <- {:user_locked, User.locked?(followed)},
{_, {:ok, follower}} <- {:follow, User.follow(follower, followed)},
{_, {:ok, _}} <-
- {:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")} do
+ {:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")},
+ {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "accept") do
ActivityPub.accept(%{
to: [follower.ap_id],
actor: followed,
else
{:user_blocked, true} ->
{:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
+ {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject")
ActivityPub.reject(%{
to: [follower.ap_id],
{:follow, {:error, _}} ->
{:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
+ {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject")
ActivityPub.reject(%{
to: [follower.ap_id],
})
{:user_locked, true} ->
+ {:ok, _relationship} = FollowingRelationship.update(follower, followed, "pending")
:noop
end
end
def handle_incoming(
- %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => _id} = data,
+ %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => id} = data,
_options
) do
with actor <- Containment.get_actor(data),
{:ok, follow_activity} <- get_follow_activity(follow_object, followed),
{:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
%User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
- {:ok, _follower} = User.follow(follower, followed) do
+ {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "accept") do
ActivityPub.accept(%{
to: follow_activity.data["to"],
type: "Accept",
actor: followed,
object: follow_activity.data["id"],
- local: false
+ local: false,
+ activity_id: id
})
else
_e -> :error
end
def handle_incoming(
- %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => _id} = data,
+ %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data,
_options
) do
with actor <- Containment.get_actor(data),
{:ok, follow_activity} <- get_follow_activity(follow_object, followed),
{:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
%User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
+ {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "reject"),
{:ok, activity} <-
ActivityPub.reject(%{
to: follow_activity.data["to"],
type: "Reject",
actor: followed,
object: follow_activity.data["id"],
- local: false
+ local: false,
+ activity_id: id
}) do
- User.unfollow(follower, followed)
-
{:ok, activity}
else
_e -> :error
end
end
+ @misskey_reactions %{
+ "like" => "👍",
+ "love" => "❤️",
+ "laugh" => "😆",
+ "hmm" => "🤔",
+ "surprise" => "😮",
+ "congrats" => "🎉",
+ "angry" => "💢",
+ "confused" => "😥",
+ "rip" => "😇",
+ "pudding" => "🍮",
+ "star" => "⭐"
+ }
+
+ @doc "Rewrite misskey likes into EmojiReactions"
+ def handle_incoming(
+ %{
+ "type" => "Like",
+ "_misskey_reaction" => reaction
+ } = data,
+ options
+ ) do
+ data
+ |> Map.put("type", "EmojiReaction")
+ |> Map.put("content", @misskey_reactions[reaction] || reaction)
+ |> handle_incoming(options)
+ end
+
def handle_incoming(
%{"type" => "Like", "object" => object_id, "actor" => _actor, "id" => id} = data,
_options
end
def handle_incoming(
- %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data,
+ %{
+ "type" => "EmojiReaction",
+ "object" => object_id,
+ "actor" => _actor,
+ "id" => id,
+ "content" => emoji
+ } = data,
_options
) do
with actor <- Containment.get_actor(data),
{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
{:ok, object} <- get_obj_helper(object_id),
+ {:ok, activity, _object} <-
+ ActivityPub.react_with_emoji(actor, object, emoji, activity_id: id, local: false) do
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data,
+ _options
+ ) do
+ with actor <- Containment.get_actor(data),
+ {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, object} <- get_embedded_obj_helper(object_id, actor),
public <- Visibility.is_public?(data),
{:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false, public) do
{:ok, activity}
data,
_options
)
- when object_type in ["Person", "Application", "Service", "Organization"] do
+ when object_type in [
+ "Person",
+ "Application",
+ "Service",
+ "Organization"
+ ] do
with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object["id"]) do
{:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
- banner = new_user_data[:info][:banner]
- locked = new_user_data[:info][:locked] || false
- attachment = get_in(new_user_data, [:info, :source_data, "attachment"]) || []
+ locked = new_user_data[:locked] || false
+ attachment = get_in(new_user_data, [:source_data, "attachment"]) || []
+ invisible = new_user_data[:invisible] || false
fields =
attachment
update_data =
new_user_data
- |> Map.take([:name, :bio, :avatar])
- |> Map.put(:info, %{banner: banner, locked: locked, fields: fields})
+ |> Map.take([:avatar, :banner, :bio, :name, :also_known_as])
+ |> Map.put(:fields, fields)
+ |> Map.put(:locked, locked)
+ |> Map.put(:invisible, invisible)
actor
|> User.upgrade_changeset(update_data, true)
to: data["to"] || [],
cc: data["cc"] || [],
object: object,
- actor: actor_id
+ actor: actor_id,
+ activity_id: data["id"]
})
else
e ->
# an error or a tombstone. This would allow us to verify that a deletion actually took
# place.
def handle_incoming(
- %{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => _id} = data,
+ %{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => id} = data,
_options
) do
object_id = Utils.get_ap_id(object_id)
{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
{:ok, object} <- get_obj_helper(object_id),
:ok <- Containment.contain_origin(actor.ap_id, object.data),
- {:ok, activity} <- ActivityPub.delete(object, false) do
+ {:ok, activity} <-
+ ActivityPub.delete(object, local: false, activity_id: id, actor: actor.ap_id) do
{:ok, activity}
else
nil ->
end
end
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "EmojiReaction", "id" => reaction_activity_id},
+ "actor" => _actor,
+ "id" => id
+ } = data,
+ _options
+ ) do
+ with actor <- Containment.get_actor(data),
+ {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, activity, _} <-
+ ActivityPub.unreact_with_emoji(actor, reaction_activity_id,
+ activity_id: id,
+ local: false
+ ) do
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
def handle_incoming(
%{
"type" => "Undo",
end
end
+ # For Undos that don't have the complete object attached, try to find it in our database.
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => object
+ } = activity,
+ options
+ )
+ when is_binary(object) do
+ with %Activity{data: data} <- Activity.get_by_ap_id(object) do
+ activity
+ |> Map.put("object", data)
+ |> handle_incoming(options)
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{
+ "type" => "Move",
+ "actor" => origin_actor,
+ "object" => origin_actor,
+ "target" => target_actor
+ },
+ _options
+ ) do
+ with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
+ {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor),
+ true <- origin_actor in target_user.also_known_as do
+ ActivityPub.move(origin_user, target_user, false)
+ else
+ _e -> :error
+ end
+ end
+
def handle_incoming(_, _), do: :error
@spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} | nil
end
end
+ @spec get_embedded_obj_helper(String.t() | Object.t(), User.t()) :: {:ok, Object.t()} | nil
+ def get_embedded_obj_helper(%{"attributedTo" => attributed_to, "id" => object_id} = data, %User{
+ ap_id: ap_id
+ })
+ when attributed_to == ap_id do
+ with {:ok, activity} <-
+ handle_incoming(%{
+ "type" => "Create",
+ "to" => data["to"],
+ "cc" => data["cc"],
+ "actor" => attributed_to,
+ "object" => data
+ }) do
+ {:ok, Object.normalize(activity)}
+ else
+ _ -> get_obj_helper(object_id)
+ end
+ end
+
+ def get_embedded_obj_helper(object_id, _) do
+ get_obj_helper(object_id)
+ end
+
def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do
with false <- String.starts_with?(in_reply_to, "http"),
{:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do
# internal -> Mastodon
# """
- def prepare_outgoing(%{"type" => "Create", "object" => object_id} = data) do
+ def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data)
+ when activity_type in ["Create", "Listen"] do
object =
object_id
|> Object.normalize()
{:ok, data}
end
+ def prepare_outgoing(%{"type" => "Announce", "actor" => ap_id, "object" => object_id} = data) do
+ object =
+ object_id
+ |> Object.normalize()
+
+ data =
+ if Visibility.is_private?(object) && object.data["actor"] == ap_id do
+ data |> Map.put("object", object |> Map.get(:data) |> prepare_object)
+ else
+ data |> maybe_fix_object_url
+ end
+
+ data =
+ data
+ |> strip_internal_fields
+ |> Map.merge(Utils.make_json_ld_header())
+ |> Map.delete("bcc")
+
+ {:ok, data}
+ end
+
# Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
# because of course it does.
def prepare_outgoing(%{"type" => "Accept"} = data) do
%{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"}
end
- def take_emoji_tags(%User{info: %{emoji: emoji} = _user_info} = _user) do
+ def take_emoji_tags(%User{emoji: emoji}) do
emoji
|> Enum.flat_map(&Map.to_list/1)
|> Enum.map(&build_emoji_tag/1)
Map.put(object, "attachment", attachments)
end
- defp strip_internal_fields(object) do
+ def strip_internal_fields(object) do
object
- |> Map.drop([
- "likes",
- "like_count",
- "announcements",
- "announcement_count",
- "emoji",
- "context_id",
- "deleted_activity_id"
- ])
+ |> Map.drop(Pleroma.Constants.object_internal_fields())
end
defp strip_internal_tags(%{"tag" => tags} = object) do
# we pass a fake user so that the followers collection is stripped away
old_follower_address = User.ap_followers(%User{nickname: user.nickname})
- q =
- from(
- u in User,
- where: ^old_follower_address in u.following,
- update: [
- set: [
- following:
- fragment(
- "array_replace(?,?,?)",
- u.following,
- ^old_follower_address,
- ^user.follower_address
- )
- ]
+ from(
+ a in Activity,
+ where: ^old_follower_address in a.recipients,
+ update: [
+ set: [
+ recipients:
+ fragment(
+ "array_replace(?,?,?)",
+ a.recipients,
+ ^old_follower_address,
+ ^user.follower_address
+ )
]
- )
-
- Repo.update_all(q, [])
-
- maybe_retire_websub(user.ap_id)
-
- q =
- from(
- a in Activity,
- where: ^old_follower_address in a.recipients,
- update: [
- set: [
- recipients:
- fragment(
- "array_replace(?,?,?)",
- a.recipients,
- ^old_follower_address,
- ^user.follower_address
- )
- ]
- ]
- )
-
- Repo.update_all(q, [])
+ ]
+ )
+ |> Repo.update_all([])
end
def upgrade_user_from_ap_id(ap_id) do
with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id),
{:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
already_ap <- User.ap_enabled?(user),
- {:ok, user} <- user |> User.upgrade_changeset(data) |> User.update_and_set_cache() do
- unless already_ap do
- PleromaJobQueue.enqueue(:transmogrifier, __MODULE__, [:user_upgrade, user])
+ {:ok, user} <- upgrade_user(user, data) do
+ if not already_ap do
+ TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
end
{:ok, user}
end
end
- def maybe_retire_websub(ap_id) do
- # some sanity checks
- if is_binary(ap_id) && String.length(ap_id) > 8 do
- q =
- from(
- ws in Pleroma.Web.Websub.WebsubClientSubscription,
- where: fragment("? like ?", ws.topic, ^"#{ap_id}%")
- )
-
- Repo.delete_all(q)
- end
+ defp upgrade_user(user, data) do
+ user
+ |> User.upgrade_changeset(data, true)
+ |> User.update_and_set_cache()
end
def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do