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@ -166,6 +166,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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@doc """
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Enqueues an activity for federation if it's local
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"""
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@spec maybe_federate(any()) :: :ok
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def maybe_federate(%Activity{local: true} = activity) do
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if Pleroma.Config.get!([:instance, :federating]) do
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priority =
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@ -256,46 +257,27 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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@doc """
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Returns an existing like if a user already liked an object
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"""
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@spec get_existing_like(String.t(), map()) :: Activity.t() | nil
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def get_existing_like(actor, %{data: %{"id" => id}}) do
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query =
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from(
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activity in Activity,
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where: fragment("(?)->>'actor' = ?", activity.data, ^actor),
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# this is to use the index
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where:
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fragment(
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"coalesce((?)->'object'->>'id', (?)->>'object') = ?",
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activity.data,
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activity.data,
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^id
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),
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where: fragment("(?)->>'type' = 'Like'", activity.data)
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)
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Repo.one(query)
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actor
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|> Activity.Queries.by_actor()
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|> Activity.Queries.by_object_id(id)
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|> Activity.Queries.by_type("Like")
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|> Activity.Queries.limit(1)
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|> Repo.one()
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end
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@doc """
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Returns like activities targeting an object
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"""
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def get_object_likes(%{data: %{"id" => id}}) do
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query =
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from(
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activity in Activity,
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# this is to use the index
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where:
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fragment(
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"coalesce((?)->'object'->>'id', (?)->>'object') = ?",
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activity.data,
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activity.data,
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^id
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),
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where: fragment("(?)->>'type' = 'Like'", activity.data)
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)
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Repo.all(query)
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id
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|> Activity.Queries.by_object_id()
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|> Activity.Queries.by_type("Like")
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|> Repo.all()
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end
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@spec make_like_data(User.t(), map(), String.t()) :: map()
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def make_like_data(
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%User{ap_id: ap_id} = actor,
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%{data: %{"actor" => object_actor_id, "id" => id}} = object,
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@ -315,7 +297,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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|> List.delete(actor.ap_id)
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|> List.delete(object_actor.follower_address)
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data = %{
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%{
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"type" => "Like",
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"actor" => ap_id,
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"object" => id,
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@ -323,38 +305,49 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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"cc" => cc,
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"context" => object.data["context"]
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}
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if activity_id, do: Map.put(data, "id", activity_id), else: data
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|> maybe_put("id", activity_id)
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end
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@spec update_element_in_object(String.t(), list(any), Object.t()) ::
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{:ok, Object.t()} | {:error, Ecto.Changeset.t()}
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def update_element_in_object(property, element, object) do
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with new_data <-
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object.data
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|> Map.put("#{property}_count", length(element))
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|> Map.put("#{property}s", element),
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changeset <- Changeset.change(object, data: new_data),
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{:ok, object} <- Object.update_and_set_cache(changeset) do
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{:ok, object}
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end
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end
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data =
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Map.merge(
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object.data,
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%{"#{property}_count" => length(element), "#{property}s" => element}
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)
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def update_likes_in_object(likes, object) do
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update_element_in_object("like", likes, object)
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object
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|> Changeset.change(data: data)
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|> Object.update_and_set_cache()
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end
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@spec add_like_to_object(Activity.t(), Object.t()) ::
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{:ok, Object.t()} | {:error, Ecto.Changeset.t()}
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def add_like_to_object(%Activity{data: %{"actor" => actor}}, object) do
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likes = if is_list(object.data["likes"]), do: object.data["likes"], else: []
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with likes <- [actor | likes] |> Enum.uniq() do
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update_likes_in_object(likes, object)
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end
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[actor | fetch_likes(object)]
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|> Enum.uniq()
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|> update_likes_in_object(object)
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end
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@spec remove_like_from_object(Activity.t(), Object.t()) ::
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{:ok, Object.t()} | {:error, Ecto.Changeset.t()}
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def remove_like_from_object(%Activity{data: %{"actor" => actor}}, object) do
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likes = if is_list(object.data["likes"]), do: object.data["likes"], else: []
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object
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|> fetch_likes()
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|> List.delete(actor)
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|> update_likes_in_object(object)
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end
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with likes <- likes |> List.delete(actor) do
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update_likes_in_object(likes, object)
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defp update_likes_in_object(likes, object) do
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update_element_in_object("like", likes, object)
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end
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defp fetch_likes(object) do
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if is_list(object.data["likes"]) do
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object.data["likes"]
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else
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[]
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end
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end
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@ -405,7 +398,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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%User{ap_id: followed_id} = _followed,
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activity_id
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) do
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data = %{
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%{
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"type" => "Follow",
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"actor" => follower_id,
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"to" => [followed_id],
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@ -413,10 +406,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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"object" => followed_id,
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"state" => "pending"
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}
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data = if activity_id, do: Map.put(data, "id", activity_id), else: data
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data
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|> maybe_put("id", activity_id)
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end
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def fetch_latest_follow(%User{ap_id: follower_id}, %User{ap_id: followed_id}) do
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@ -478,7 +468,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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activity_id,
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false
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) do
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data = %{
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%{
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"type" => "Announce",
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"actor" => ap_id,
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"object" => id,
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@ -486,8 +476,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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"cc" => [],
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"context" => object.data["context"]
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}
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if activity_id, do: Map.put(data, "id", activity_id), else: data
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|> maybe_put("id", activity_id)
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end
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def make_announce_data(
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@ -496,7 +485,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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activity_id,
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true
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) do
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data = %{
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%{
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"type" => "Announce",
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"actor" => ap_id,
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"object" => id,
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@ -504,8 +493,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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"cc" => [Pleroma.Constants.as_public()],
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"context" => object.data["context"]
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}
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if activity_id, do: Map.put(data, "id", activity_id), else: data
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|> maybe_put("id", activity_id)
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end
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@doc """
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@ -516,7 +504,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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%Activity{data: %{"context" => context}} = activity,
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activity_id
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) do
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data = %{
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%{
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"type" => "Undo",
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"actor" => ap_id,
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"object" => activity.data,
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@ -524,8 +512,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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"cc" => [Pleroma.Constants.as_public()],
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"context" => context
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}
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if activity_id, do: Map.put(data, "id", activity_id), else: data
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|> maybe_put("id", activity_id)
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end
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def make_unlike_data(
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@ -533,7 +520,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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%Activity{data: %{"context" => context}} = activity,
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activity_id
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) do
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data = %{
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%{
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"type" => "Undo",
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"actor" => ap_id,
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"object" => activity.data,
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@ -541,8 +528,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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"cc" => [Pleroma.Constants.as_public()],
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"context" => context
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}
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if activity_id, do: Map.put(data, "id", activity_id), else: data
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|> maybe_put("id", activity_id)
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end
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def add_announce_to_object(
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@ -573,14 +559,13 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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#### Unfollow-related helpers
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def make_unfollow_data(follower, followed, follow_activity, activity_id) do
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data = %{
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%{
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"type" => "Undo",
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"actor" => follower.ap_id,
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"to" => [followed.ap_id],
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"object" => follow_activity.data
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}
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if activity_id, do: Map.put(data, "id", activity_id), else: data
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|> maybe_put("id", activity_id)
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end
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#### Block-related helpers
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@ -610,25 +595,23 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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end
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def make_block_data(blocker, blocked, activity_id) do
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data = %{
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%{
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"type" => "Block",
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"actor" => blocker.ap_id,
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"to" => [blocked.ap_id],
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"object" => blocked.ap_id
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}
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if activity_id, do: Map.put(data, "id", activity_id), else: data
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|> maybe_put("id", activity_id)
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end
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def make_unblock_data(blocker, blocked, block_activity, activity_id) do
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data = %{
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%{
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"type" => "Undo",
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"actor" => blocker.ap_id,
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"to" => [blocked.ap_id],
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"object" => block_activity.data
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}
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if activity_id, do: Map.put(data, "id", activity_id), else: data
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|> maybe_put("id", activity_id)
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end
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#### Create-related helpers
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@ -799,4 +782,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
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Repo.all(query)
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end
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defp maybe_put(map, _key, nil), do: map
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defp maybe_put(map, key, value), do: Map.put(map, key, value)
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end
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