# 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.Web.ActivityPub.Transmogrifier do
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
+ alias Pleroma.Web.ActivityPub.ObjectValidator
+ alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
+ alias Pleroma.Web.ActivityPub.Pipeline
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.Federator
when not is_nil(in_reply_to) do
in_reply_to_id = prepare_in_reply_to(in_reply_to)
object = Map.put(object, "inReplyToAtomUri", in_reply_to_id)
+ depth = (options[:depth] || 0) + 1
- if Federator.allowed_incoming_reply_depth?(options[:depth]) do
+ if Federator.allowed_thread_distance?(depth) do
with {:ok, replied_object} <- get_obj_helper(in_reply_to_id, options),
- %Activity{} = _ <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do
+ %Activity{} <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do
object
|> Map.put("inReplyTo", replied_object.data["id"])
|> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
Map.put(object, "url", url["href"])
end
- def fix_url(%{"type" => "Video", "url" => url} = object) when is_list(url) do
+ def fix_url(%{"type" => object_type, "url" => url} = object)
+ when object_type in ["Video", "Audio"] and is_list(url) do
first_element = Enum.at(url, 0)
link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end)
def fix_type(%{"inReplyTo" => reply_id, "name" => _} = object, options)
when is_binary(reply_id) do
- with true <- Federator.allowed_incoming_reply_depth?(options[:depth]),
+ with true <- Federator.allowed_thread_distance?(options[:depth]),
{:ok, %{data: %{"type" => "Question"} = _} = _} <- get_obj_helper(reply_id, options) do
Map.put(object, "type", "Answer")
else
%{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
options
)
- when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer"] do
+ when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer", "Audio"] do
actor = Containment.get_actor(data)
data =
with nil <- Activity.get_create_by_object_ap_id(object["id"]),
{: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(data["object"], options)
+ object = fix_object(object, options)
params = %{
to: data["to"],
])
}
- ActivityPub.create(params)
+ with {:ok, created_activity} <- ActivityPub.create(params) do
+ reply_depth = (options[:depth] || 0) + 1
+
+ if Federator.allowed_thread_distance?(reply_depth) do
+ for reply_id <- replies(object) do
+ Pleroma.Workers.RemoteFetcherWorker.enqueue("fetch_remote", %{
+ "id" => reply_id,
+ "depth" => reply_depth
+ })
+ end
+ end
+
+ {:ok, created_activity}
+ end
else
%Activity{} = activity -> {:ok, activity}
_e -> :error
|> 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)
+ reply_depth = (options[:depth] || 0) + 1
+ options = Keyword.put(options, :depth, reply_depth)
object = fix_object(object, options)
params = %{
"star" => "⭐"
}
- @doc "Rewrite misskey likes into EmojiReactions"
+ @doc "Rewrite misskey likes into EmojiReacts"
def handle_incoming(
%{
"type" => "Like",
options
) do
data
- |> Map.put("type", "EmojiReaction")
+ |> Map.put("type", "EmojiReact")
|> 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
- ) 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.like(actor, object, id, false) do
+ def handle_incoming(%{"type" => "Like"} = data, _options) do
+ with {_, {:ok, cast_data_sym}} <-
+ {:casting_data,
+ data |> LikeValidator.cast_data() |> Ecto.Changeset.apply_action(:insert)},
+ cast_data = ObjectValidator.stringify_keys(Map.from_struct(cast_data_sym)),
+ :ok <- ObjectValidator.fetch_actor_and_object(cast_data),
+ {_, {:ok, cast_data}} <- {:ensure_context_presence, ensure_context_presence(cast_data)},
+ {_, {:ok, cast_data}} <-
+ {:ensure_recipients_presence, ensure_recipients_presence(cast_data)},
+ {_, {:ok, activity, _meta}} <-
+ {:common_pipeline, Pipeline.common_pipeline(cast_data, local: false)} do
{:ok, activity}
else
- _e -> :error
+ e -> {:error, e}
end
end
def handle_incoming(
%{
- "type" => "EmojiReaction",
+ "type" => "EmojiReact",
"object" => object_id,
"actor" => _actor,
"id" => id,
def handle_incoming(
%{
"type" => "Undo",
- "object" => %{"type" => "EmojiReaction", "id" => reaction_activity_id},
+ "object" => %{"type" => "EmojiReact", "id" => reaction_activity_id},
"actor" => _actor,
"id" => id
} = data,
def set_reply_to_uri(obj), do: obj
+ @doc """
+ Serialized Mastodon-compatible `replies` collection containing _self-replies_.
+ Based on Mastodon's ActivityPub::NoteSerializer#replies.
+ """
+ def set_replies(obj_data) do
+ replies_uris =
+ with limit when limit > 0 <-
+ Pleroma.Config.get([:activitypub, :note_replies_output_limit], 0),
+ %Object{} = object <- Object.get_cached_by_ap_id(obj_data["id"]) do
+ object
+ |> Object.self_replies()
+ |> select([o], fragment("?->>'id'", o.data))
+ |> limit(^limit)
+ |> Repo.all()
+ else
+ _ -> []
+ end
+
+ set_replies(obj_data, replies_uris)
+ end
+
+ defp set_replies(obj, []) do
+ obj
+ end
+
+ defp set_replies(obj, replies_uris) do
+ replies_collection = %{
+ "type" => "Collection",
+ "items" => replies_uris
+ }
+
+ Map.merge(obj, %{"replies" => replies_collection})
+ end
+
+ def replies(%{"replies" => %{"first" => %{"items" => items}}}) when not is_nil(items) do
+ items
+ end
+
+ def replies(%{"replies" => %{"items" => items}}) when not is_nil(items) do
+ items
+ end
+
+ def replies(_), do: []
+
# Prepares the object of an outgoing create activity.
def prepare_object(object) do
object
|> prepare_attachments
|> set_conversation
|> set_reply_to_uri
+ |> set_replies
|> strip_internal_fields
|> strip_internal_tags
|> set_type
end
def add_mention_tags(object) do
- mentions =
- object
- |> Utils.get_notified_from_object()
- |> Enum.map(&build_mention_tag/1)
+ {enabled_receivers, disabled_receivers} = Utils.get_notified_from_object(object)
+ potential_receivers = enabled_receivers ++ disabled_receivers
+ mentions = Enum.map(potential_receivers, &build_mention_tag/1)
tags = object["tag"] || []
-
Map.put(object, "tag", tags ++ mentions)
end
def maybe_fix_user_url(data), do: data
def maybe_fix_user_object(data), do: maybe_fix_user_url(data)
+
+ defp ensure_context_presence(%{"context" => context} = data) when is_binary(context),
+ do: {:ok, data}
+
+ defp ensure_context_presence(%{"object" => object} = data) when is_binary(object) do
+ with %{data: %{"context" => context}} when is_binary(context) <- Object.normalize(object) do
+ {:ok, Map.put(data, "context", context)}
+ else
+ _ ->
+ {:error, :no_context}
+ end
+ end
+
+ defp ensure_context_presence(_) do
+ {:error, :no_context}
+ end
+
+ defp ensure_recipients_presence(%{"to" => [_ | _], "cc" => [_ | _]} = data),
+ do: {:ok, data}
+
+ defp ensure_recipients_presence(%{"object" => object} = data) do
+ case Object.normalize(object) do
+ %{data: %{"actor" => actor}} ->
+ data =
+ data
+ |> Map.put("to", [actor])
+ |> Map.put("cc", data["cc"] || [])
+
+ {:ok, data}
+
+ nil ->
+ {:error, :no_object}
+
+ _ ->
+ {:error, :no_actor}
+ end
+ end
+
+ defp ensure_recipients_presence(_) do
+ {:error, :no_object}
+ end
end
projects / akkoma / blobdiff