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diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex
index cdfbacb0e..9ff6e588a 100644
--- a/lib/pleroma/object.ex
+++ b/lib/pleroma/object.ex
@@ -1,258 +1,259 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Object do
use Ecto.Schema
alias Pleroma.Activity
alias Pleroma.Object
alias Pleroma.Object.Fetcher
alias Pleroma.ObjectTombstone
alias Pleroma.Repo
alias Pleroma.User
import Ecto.Query
import Ecto.Changeset
require Logger
schema "objects" do
field(:data, :map)
+ field(:ap_id, :string)
timestamps()
end
def create(data) do
Object.change(%Object{}, %{data: data})
|> Repo.insert()
end
def change(struct, params \\ %{}) do
struct
|> cast(params, [:data])
|> validate_required([:data])
|> unique_constraint(:ap_id, name: :objects_unique_apid_index)
end
def get_by_id(nil), do: nil
def get_by_id(id), do: Repo.get(Object, id)
def get_by_id_and_maybe_refetch(id, opts \\ []) do
%{updated_at: updated_at} = object = get_by_id(id)
if opts[:interval] &&
NaiveDateTime.diff(NaiveDateTime.utc_now(), updated_at) > opts[:interval] do
case Fetcher.refetch_object(object) do
{:ok, %Object{} = object} ->
object
e ->
Logger.error("Couldn't refresh #{object.data["id"]}:\n#{inspect(e)}")
object
end
else
object
end
end
def get_by_ap_id(nil), do: nil
def get_by_ap_id(ap_id) do
Repo.one(from(object in Object, where: fragment("(?)->>'id' = ?", object.data, ^ap_id)))
end
defp warn_on_no_object_preloaded(ap_id) do
"Object.normalize() called without preloaded object (#{ap_id}). Consider preloading the object"
|> Logger.debug()
Logger.debug("Backtrace: #{inspect(Process.info(:erlang.self(), :current_stacktrace))}")
end
def normalize(_, fetch_remote \\ true, options \\ [])
# 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
# A hack for fake activities
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
warn_on_no_object_preloaded(ap_id)
normalize(ap_id, fetch_remote)
end
# No preloaded object
def normalize(%Activity{data: %{"object" => ap_id}}, fetch_remote, _) do
warn_on_no_object_preloaded(ap_id)
normalize(ap_id, fetch_remote)
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(ap_id, true, options) when is_binary(ap_id) do
Fetcher.fetch_object_from_id!(ap_id, options)
end
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
# Legacy objects can be mutated by anybody
def authorize_mutation(%Object{}, %User{}), do: true
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)
end
def context_mapping(context) do
Object.change(%Object{}, %{data: %{"id" => context}})
end
def make_tombstone(%Object{data: %{"id" => id, "type" => type}}, deleted \\ DateTime.utc_now()) do
%ObjectTombstone{
id: id,
formerType: type,
deleted: deleted
}
|> Map.from_struct()
end
def swap_object_with_tombstone(object) do
tombstone = make_tombstone(object)
object
|> Object.change(%{data: tombstone})
|> Repo.update()
end
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
{:ok, object, deleted_activity}
end
end
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, object}
end
end
def set_cache(%Object{data: %{"id" => ap_id}} = object) do
Cachex.put(:object_cache, "object:#{ap_id}", object)
{:ok, object}
end
def update_and_set_cache(changeset) do
with {:ok, object} <- Repo.update(changeset) do
set_cache(object)
end
end
def increase_replies_count(ap_id) do
Object
|> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
|> update([o],
set: [
data:
fragment(
"""
jsonb_set(?, '{repliesCount}',
(coalesce((?->>'repliesCount')::int, 0) + 1)::varchar::jsonb, true)
""",
o.data,
o.data
)
]
)
|> Repo.update_all([])
|> case do
{1, [object]} -> set_cache(object)
_ -> {:error, "Not found"}
end
end
def decrease_replies_count(ap_id) do
Object
|> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
|> update([o],
set: [
data:
fragment(
"""
jsonb_set(?, '{repliesCount}',
(greatest(0, (?->>'repliesCount')::int - 1))::varchar::jsonb, true)
""",
o.data,
o.data
)
]
)
|> Repo.update_all([])
|> case do
{1, [object]} -> set_cache(object)
_ -> {:error, "Not found"}
end
end
def increase_vote_count(ap_id, name) do
with %Object{} = object <- Object.normalize(ap_id),
"Question" <- object.data["type"] do
multiple = Map.has_key?(object.data, "anyOf")
options =
(object.data["anyOf"] || object.data["oneOf"] || [])
|> Enum.map(fn
%{"name" => ^name} = option ->
Kernel.update_in(option["replies"]["totalItems"], &(&1 + 1))
option ->
option
end)
data =
if multiple do
Map.put(object.data, "anyOf", options)
else
Map.put(object.data, "oneOf", options)
end
object
|> Object.change(%{data: data})
|> update_and_set_cache()
else
_ -> :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
end
diff --git a/priv/repo/migrations/20191007123056_add_ap_id_column_to_objects.exs b/priv/repo/migrations/20191007123056_add_ap_id_column_to_objects.exs
new file mode 100644
index 000000000..ebc94833c
--- /dev/null
+++ b/priv/repo/migrations/20191007123056_add_ap_id_column_to_objects.exs
@@ -0,0 +1,11 @@
+defmodule Pleroma.Repo.Migrations.AddApIdColumnToObjects do
+ use Ecto.Migration
+
+ def change do
+ alter table(:objects) do
+ add :ap_id, :string
+ end
+
+ create unique_index(:objects, [:ap_id], concurrently: true)
+ end
+end

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