# 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.Object do
use Ecto.Schema
+ import Ecto.Query
+ import Ecto.Changeset
+
alias Pleroma.Activity
+ alias Pleroma.Config
alias Pleroma.Object
alias Pleroma.Object.Fetcher
alias Pleroma.ObjectTombstone
alias Pleroma.Repo
alias Pleroma.User
-
- import Ecto.Query
- import Ecto.Changeset
+ alias Pleroma.Workers.AttachmentsCleanupWorker
require Logger
+ @type t() :: %__MODULE__{}
+
+ @derive {Jason.Encoder, only: [:data]}
+
schema "objects" do
field(:data, :map)
timestamps()
end
+ def with_joined_activity(query, activity_type \\ "Create", join_type \\ :inner) do
+ object_position = Map.get(query.aliases, :object, 0)
+
+ join(query, join_type, [{object, object_position}], a in Activity,
+ on:
+ fragment(
+ "COALESCE(?->'object'->>'id', ?->>'object') = (? ->> 'id') AND (?->>'type' = ?) ",
+ a.data,
+ a.data,
+ object.data,
+ a.data,
+ ^activity_type
+ ),
+ as: :object_activity
+ )
+ end
+
def create(data) do
Object.change(%Object{}, %{data: data})
|> Repo.insert()
Repo.one(from(object in Object, where: fragment("(?)->>'id' = ?", object.data, ^ap_id)))
end
+ @doc """
+ Get a single attachment by it's name and href
+ """
+ @spec get_attachment_by_name_and_href(String.t(), String.t()) :: Object.t() | nil
+ def get_attachment_by_name_and_href(name, href) do
+ query =
+ from(o in Object,
+ where: fragment("(?)->>'name' = ?", o.data, ^name),
+ where: fragment("(?)->>'href' = ?", o.data, ^href)
+ )
+
+ Repo.one(query)
+ end
+
defp warn_on_no_object_preloaded(ap_id) do
- "Object.normalize() called without preloaded object (#{ap_id}). Consider preloading the object"
+ "Object.normalize() called without preloaded object (#{inspect(ap_id)}). Consider preloading the object"
|> Logger.debug()
Logger.debug("Backtrace: #{inspect(Process.info(:erlang.self(), :current_stacktrace))}")
def normalize(_, _, _), do: nil
- # Owned objects can only be mutated by their owner
- def authorize_mutation(%Object{data: %{"actor" => actor}}, %User{ap_id: ap_id}),
- do: actor == ap_id
+ # Owned objects can only be accessed by their owner
+ def authorize_access(%Object{data: %{"actor" => actor}}, %User{ap_id: ap_id}) do
+ if actor == ap_id do
+ :ok
+ else
+ {:error, :forbidden}
+ end
+ end
- # Legacy objects can be mutated by anybody
- def authorize_mutation(%Object{}, %User{}), do: true
+ # Legacy objects can be accessed by anybody
+ def authorize_access(%Object{}, %User{}), do: :ok
+ @spec get_cached_by_ap_id(String.t()) :: Object.t() | nil
def get_cached_by_ap_id(ap_id) do
key = "object:#{ap_id}"
- Cachex.fetch!(:object_cache, key, fn _ ->
- object = get_by_ap_id(ap_id)
-
- if object do
- {:commit, object}
- else
- {:ignore, object}
- end
- end)
+ with {:ok, nil} <- Cachex.get(:object_cache, key),
+ object when not is_nil(object) <- get_by_ap_id(ap_id),
+ {:ok, true} <- Cachex.put(:object_cache, key, object) do
+ object
+ else
+ {:ok, object} -> object
+ nil -> nil
+ end
end
def context_mapping(context) do
def delete(%Object{data: %{"id" => id}} = object) do
with {:ok, _obj} = swap_object_with_tombstone(object),
- deleted_activity = Activity.delete_by_ap_id(id),
- {:ok, true} <- Cachex.del(:object_cache, "object:#{id}"),
- {:ok, _} <- Cachex.del(:web_resp_cache, URI.parse(id).path) do
+ deleted_activity = Activity.delete_all_by_object_ap_id(id),
+ {:ok, _} <- invalid_object_cache(object) do
+ cleanup_attachments(
+ Config.get([:instance, :cleanup_attachments]),
+ %{"object" => object}
+ )
+
{:ok, object, deleted_activity}
end
end
- def prune(%Object{data: %{"id" => id}} = object) do
+ @spec cleanup_attachments(boolean(), %{required(:object) => map()}) ::
+ {:ok, Oban.Job.t() | nil}
+ def cleanup_attachments(true, %{"object" => _} = params) do
+ AttachmentsCleanupWorker.enqueue("cleanup_attachments", params)
+ end
+
+ def cleanup_attachments(_, _), do: {:ok, nil}
+
+ def prune(%Object{data: %{"id" => _id}} = object) do
with {:ok, object} <- Repo.delete(object),
- {:ok, true} <- Cachex.del(:object_cache, "object:#{id}"),
- {:ok, _} <- Cachex.del(:web_resp_cache, URI.parse(id).path) do
+ {:ok, _} <- invalid_object_cache(object) do
{:ok, object}
end
end
+ def invalid_object_cache(%Object{data: %{"id" => id}}) do
+ with {:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
+ Cachex.del(:web_resp_cache, URI.parse(id).path)
+ end
+ end
+
def set_cache(%Object{data: %{"id" => ap_id}} = object) do
Cachex.put(:object_cache, "object:#{ap_id}", object)
{:ok, object}
end
end
+ defp poll_is_multiple?(%Object{data: %{"anyOf" => [_ | _]}}), do: true
+
+ defp poll_is_multiple?(_), do: false
+
def decrease_replies_count(ap_id) do
Object
|> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
end
end
- def increase_vote_count(ap_id, name) do
+ def increase_vote_count(ap_id, name, actor) do
with %Object{} = object <- Object.normalize(ap_id),
"Question" <- object.data["type"] do
- multiple = Map.has_key?(object.data, "anyOf")
+ key = if poll_is_multiple?(object), do: "anyOf", else: "oneOf"
options =
- (object.data["anyOf"] || object.data["oneOf"] || [])
+ object.data[key]
|> Enum.map(fn
%{"name" => ^name} = option ->
Kernel.update_in(option["replies"]["totalItems"], &(&1 + 1))
option
end)
+ voters = [actor | object.data["voters"] || []] |> Enum.uniq()
+
data =
- if multiple do
- Map.put(object.data, "anyOf", options)
- else
- Map.put(object.data, "oneOf", options)
- end
+ object.data
+ |> Map.put(key, options)
+ |> Map.put("voters", voters)
object
|> Object.change(%{data: data})
_ -> :noop
end
end
+
+ @doc "Updates data field of an object"
+ def update_data(%Object{data: data} = object, attrs \\ %{}) do
+ object
+ |> Object.change(%{data: Map.merge(data || %{}, attrs)})
+ |> Repo.update()
+ end
+
+ def local?(%Object{data: %{"id" => id}}) do
+ String.starts_with?(id, Pleroma.Web.base_url() <> "/")
+ end
+
+ def replies(object, opts \\ []) do
+ object = Object.normalize(object)
+
+ query =
+ Object
+ |> where(
+ [o],
+ fragment("(?)->>'inReplyTo' = ?", o.data, ^object.data["id"])
+ )
+ |> order_by([o], asc: o.id)
+
+ if opts[:self_only] do
+ actor = object.data["actor"]
+ where(query, [o], fragment("(?)->>'actor' = ?", o.data, ^actor))
+ else
+ query
+ end
+ end
+
+ def self_replies(object, opts \\ []),
+ do: replies(object, Keyword.put(opts, :self_only, true))
+
+ def hashtags(%Object{data: %{"hashtags" => hashtags}}), do: hashtags || []
+ def hashtags(%Object{data: %{"tag" => tags}}), do: Enum.filter(tags, &is_bitstring(&1))
+ def hashtags(_), do: []
end
projects / akkoma / blobdiff