+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Web.ActivityPub.Utils do
- alias Pleroma.{Repo, Web, Object, Activity, User}
+ alias Pleroma.Repo
+ alias Pleroma.Web
+ alias Pleroma.Object
+ alias Pleroma.Activity
+ alias Pleroma.User
+ alias Pleroma.Notification
alias Pleroma.Web.Router.Helpers
alias Pleroma.Web.Endpoint
- alias Ecto.{Changeset, UUID}
+ alias Ecto.Changeset
+ alias Ecto.UUID
+
import Ecto.Query
+
require Logger
+ @supported_object_types ["Article", "Note", "Video", "Page"]
+
# Some implementations send the actor URI as the actor field, others send the entire actor object,
# so figure out what the actor's URI is based on what we have.
def get_ap_id(object) do
Map.put(params, "actor", get_ap_id(params["actor"]))
end
+ def determine_explicit_mentions(%{"tag" => tag} = _object) when is_list(tag) do
+ tag
+ |> Enum.filter(fn x -> is_map(x) end)
+ |> Enum.filter(fn x -> x["type"] == "Mention" end)
+ |> Enum.map(fn x -> x["href"] end)
+ end
+
+ def determine_explicit_mentions(%{"tag" => tag} = object) when is_map(tag) do
+ Map.put(object, "tag", [tag])
+ |> determine_explicit_mentions()
+ end
+
+ def determine_explicit_mentions(_), do: []
+
defp recipient_in_collection(ap_id, coll) when is_binary(coll), do: ap_id == coll
defp recipient_in_collection(ap_id, coll) when is_list(coll), do: ap_id in coll
defp recipient_in_collection(_, _), do: false
%{
"@context" => [
"https://www.w3.org/ns/activitystreams",
- "https://w3id.org/security/v1",
- %{
- "manuallyApprovesFollowers" => "as:manuallyApprovesFollowers",
- "sensitive" => "as:sensitive",
- "Hashtag" => "as:Hashtag",
- "ostatus" => "http://ostatus.org#",
- "atomUri" => "ostatus:atomUri",
- "inReplyToAtomUri" => "ostatus:inReplyToAtomUri",
- "conversation" => "ostatus:conversation",
- "toot" => "http://joinmastodon.org/ns#",
- "Emoji" => "toot:Emoji"
- }
+ "#{Web.base_url()}/schemas/litepub-0.1.jsonld"
]
}
end
"#{Web.base_url()}/#{type}/#{UUID.generate()}"
end
+ def get_notified_from_object(%{"type" => type} = object) when type in @supported_object_types do
+ fake_create_activity = %{
+ "to" => object["to"],
+ "cc" => object["cc"],
+ "type" => "Create",
+ "object" => object
+ }
+
+ Notification.get_notified_from_activity(%Activity{data: fake_create_activity}, false)
+ end
+
+ def get_notified_from_object(object) do
+ Notification.get_notified_from_activity(%Activity{data: object}, false)
+ end
+
def create_context(context) do
context = context || generate_id("contexts")
changeset = Object.context_mapping(context)
_ -> 5
end
- Pleroma.Web.Federator.enqueue(:publish, activity, priority)
+ Pleroma.Web.Federator.publish(activity, priority)
:ok
end
Inserts a full object if it is contained in an activity.
"""
def insert_full_object(%{"object" => %{"type" => type} = object_data})
- when is_map(object_data) and type in ["Article", "Note", "Video"] do
+ when is_map(object_data) and type in @supported_object_types do
with {:ok, _} <- Object.create(object_data) do
:ok
end
# Update activities that already had this. Could be done in a seperate process.
# Alternatively, just don't do this and fetch the current object each time. Most
# could probably be taken from cache.
- relevant_activities = Activity.all_by_object_ap_id(id)
+ relevant_activities = Activity.get_all_create_by_object_ap_id(id)
Enum.map(relevant_activities, fn activity ->
new_activity_data = activity.data |> Map.put("object", object.data)
Repo.one(query)
end
+ @doc """
+ Returns like activities targeting an object
+ """
+ def get_object_likes(%{data: %{"id" => id}}) do
+ query =
+ from(
+ activity in Activity,
+ # this is to use the index
+ where:
+ fragment(
+ "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
+ activity.data,
+ activity.data,
+ ^id
+ ),
+ where: fragment("(?)->>'type' = 'Like'", activity.data)
+ )
+
+ Repo.all(query)
+ end
+
def make_like_data(%User{ap_id: ap_id} = actor, %{data: %{"id" => id}} = object, activity_id) do
data = %{
"type" => "Like",
|> Map.put("#{property}_count", length(element))
|> Map.put("#{property}s", element),
changeset <- Changeset.change(object, data: new_data),
- {:ok, object} <- Repo.update(changeset),
+ {:ok, object} <- Object.update_and_set_cache(changeset),
_ <- update_object_in_activities(object) do
{:ok, object}
end
@doc """
Updates a follow activity's state (for locked accounts).
"""
+ def update_follow_state(
+ %Activity{data: %{"actor" => actor, "object" => object, "state" => "pending"}} = activity,
+ state
+ ) do
+ try do
+ Ecto.Adapters.SQL.query!(
+ Repo,
+ "UPDATE activities SET data = jsonb_set(data, '{state}', $1) WHERE data->>'type' = 'Follow' AND data->>'actor' = $2 AND data->>'object' = $3 AND data->>'state' = 'pending'",
+ [state, actor, object]
+ )
+
+ activity = Repo.get(Activity, activity.id)
+ {:ok, activity}
+ rescue
+ e ->
+ {:error, e}
+ end
+ end
+
def update_follow_state(%Activity{} = activity, state) do
with new_data <-
activity.data
"""
def make_follow_data(
%User{ap_id: follower_id},
- %User{ap_id: followed_id} = followed,
+ %User{ap_id: followed_id} = _followed,
activity_id
) do
data = %{
"""
# for relayed messages, we only want to send to subscribers
def make_announce_data(
- %User{ap_id: ap_id, nickname: nil} = user,
+ %User{ap_id: ap_id} = user,
%Object{data: %{"id" => id}} = object,
- activity_id
+ activity_id,
+ false
) do
data = %{
"type" => "Announce",
def make_announce_data(
%User{ap_id: ap_id} = user,
%Object{data: %{"id" => id}} = object,
- activity_id
+ activity_id,
+ true
) do
data = %{
"type" => "Announce",
}
|> Map.merge(additional)
end
+
+ #### Flag-related helpers
+
+ def make_flag_data(params, additional) do
+ status_ap_ids = Enum.map(params.statuses || [], & &1.data["id"])
+ object = [params.account.ap_id] ++ status_ap_ids
+
+ %{
+ "type" => "Flag",
+ "actor" => params.actor.ap_id,
+ "content" => params.content,
+ "object" => object,
+ "context" => params.context
+ }
+ |> Map.merge(additional)
+ end
end