# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Object do
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
+ alias Pleroma.Workers.AttachmentsCleanupWorker
require Logger
@derive {Jason.Encoder, only: [:data]}
+ @cachex Pleroma.Config.get([:cachex, :provider], Cachex)
+
schema "objects" do
field(:data, :map)
Logger.debug("Backtrace: #{inspect(Process.info(:erlang.self(), :current_stacktrace))}")
end
- def normalize(_, fetch_remote \\ true, options \\ [])
+ def normalize(_, options \\ [fetch: false])
# If we pass an Activity to Object.normalize(), we can try to use the preloaded object.
# Use this whenever possible, especially when walking graphs in an O(N) loop!
- def normalize(%Object{} = object, _, _), do: object
- def normalize(%Activity{object: %Object{} = object}, _, _), do: object
+ def normalize(%Object{} = object, _), do: object
+ def normalize(%Activity{object: %Object{} = object}, _), do: object
# A hack for fake activities
- def normalize(%Activity{data: %{"object" => %{"fake" => true} = data}}, _, _) do
+ def normalize(%Activity{data: %{"object" => %{"fake" => true} = data}}, _) do
%Object{id: "pleroma:fake_object_id", data: data}
end
# No preloaded object
- def normalize(%Activity{data: %{"object" => %{"id" => ap_id}}}, fetch_remote, _) do
+ def normalize(%Activity{data: %{"object" => %{"id" => ap_id}}}, options) do
warn_on_no_object_preloaded(ap_id)
- normalize(ap_id, fetch_remote)
+ normalize(ap_id, options)
end
# No preloaded object
- def normalize(%Activity{data: %{"object" => ap_id}}, fetch_remote, _) do
+ def normalize(%Activity{data: %{"object" => ap_id}}, options) do
warn_on_no_object_preloaded(ap_id)
- normalize(ap_id, fetch_remote)
+ normalize(ap_id, options)
end
# Old way, try fetching the object through cache.
- def normalize(%{"id" => ap_id}, fetch_remote, _), do: normalize(ap_id, fetch_remote)
- def normalize(ap_id, false, _) when is_binary(ap_id), do: get_cached_by_ap_id(ap_id)
+ def normalize(%{"id" => ap_id}, options), do: normalize(ap_id, options)
- def normalize(ap_id, true, options) when is_binary(ap_id) do
- Fetcher.fetch_object_from_id!(ap_id, options)
+ def normalize(ap_id, options) when is_binary(ap_id) do
+ if Keyword.get(options, :fetch) do
+ Fetcher.fetch_object_from_id!(ap_id, options)
+ else
+ get_cached_by_ap_id(ap_id)
+ end
end
- def normalize(_, _, _), do: nil
+ 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}"
- with {:ok, nil} <- Cachex.get(:object_cache, key),
+ 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
+ {:ok, true} <- @cachex.put(:object_cache, key, object) do
object
else
{:ok, object} -> object
def delete(%Object{data: %{"id" => id}} = object) do
with {:ok, _obj} = swap_object_with_tombstone(object),
deleted_activity = Activity.delete_all_by_object_ap_id(id),
- {:ok, true} <- Cachex.del(:object_cache, "object:#{id}"),
- {:ok, _} <- Cachex.del(:web_resp_cache, URI.parse(id).path) do
- with true <- Pleroma.Config.get([:instance, :cleanup_attachments]) do
- {:ok, _} =
- Pleroma.Workers.AttachmentsCleanupWorker.enqueue("cleanup_attachments", %{
- "object" => object
- })
- end
+ {: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)
+ @cachex.put(:object_cache, "object:#{ap_id}", object)
{:ok, object}
end
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
- with %Object{} = object <- Object.normalize(ap_id),
+ def increase_vote_count(ap_id, name, actor) do
+ with %Object{} = object <- Object.normalize(ap_id, fetch: false),
"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})
end
def local?(%Object{data: %{"id" => id}}) do
- String.starts_with?(id, Pleroma.Web.base_url() <> "/")
+ String.starts_with?(id, Pleroma.Web.Endpoint.url() <> "/")
end
def replies(object, opts \\ []) do
- object = Object.normalize(object)
+ object = Object.normalize(object, fetch: false)
query =
Object
projects / akkoma / blobdiff