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Merge branch 'from/upstream-develop/tusooa/assoc-object-id' into 'develop'

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Add function to calculate associated object id

Closes #2307

See merge request pleroma/pleroma!3692
This commit is contained in:
Haelwenn 2022-09-03 02:50:40 +00:00
commit 299255b9bb
11 changed files with 315 additions and 20 deletions
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3
lib/mix/tasks/pleroma/database.ex
View file

@ -154,9 +154,8 @@ def run(["ensure_expiration"]) do
|> join(:inner, [a], o in Object,
on:
fragment(
"(?->>'id') = COALESCE((?)->'object'->> 'id', (?)->>'object')",
"(?->>'id') = associated_object_id((?))",
o.data,
a.data,
a.data
)
)

5
lib/pleroma/activity.ex
View file

@ -53,7 +53,7 @@ defmodule Pleroma.Activity do
#
# ```
# |> join(:inner, [activity], o in Object,
# on: fragment("(?->>'id') = COALESCE((?)->'object'->> 'id', (?)->>'object')",
# on: fragment("(?->>'id') = associated_object_id((?))",
# o.data, activity.data, activity.data))
# |> preload([activity, object], [object: object])
# ```
@ -69,9 +69,8 @@ def with_joined_object(query, join_type \\ :inner) do
join(query, join_type, [activity], o in Object,
on:
fragment(
"(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
"(?->>'id') = associated_object_id(?)",
o.data,
activity.data,
activity.data
),
as: :object

6
lib/pleroma/activity/queries.ex
View file

@ -52,8 +52,7 @@ def by_object_id(query, object_ids) when is_list(object_ids) do
activity in query,
where:
fragment(
"coalesce((?)->'object'->>'id', (?)->>'object') = ANY(?)",
activity.data,
"associated_object_id((?)) = ANY(?)",
activity.data,
^object_ids
)
@ -64,8 +63,7 @@ def by_object_id(query, object_id) when is_binary(object_id) do
from(activity in query,
where:
fragment(
"coalesce((?)->'object'->>'id', (?)->>'object') = ?",
activity.data,
"associated_object_id((?)) = ?",
activity.data,
^object_id
)

2
lib/pleroma/migrators/hashtags_table_migrator.ex
View file

@ -183,7 +183,7 @@ def delete_non_create_activities_hashtags do
DELETE FROM hashtags_objects WHERE object_id IN
(SELECT DISTINCT objects.id FROM objects
JOIN hashtags_objects ON hashtags_objects.object_id = objects.id LEFT JOIN activities
ON COALESCE(activities.data->'object'->>'id', activities.data->>'object') =
ON associated_object_id(activities) =
(objects.data->>'id')
AND activities.data->>'type' = 'Create'
WHERE activities.id IS NULL);

9
lib/pleroma/notification.ex
View file

@ -117,9 +117,8 @@ def for_user_query(user, opts \\ %{}) do
|> join(:left, [n, a], object in Object,
on:
fragment(
"(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
"(?->>'id') = associated_object_id(?)",
object.data,
a.data,
a.data
)
)
@ -193,13 +192,11 @@ defp exclude_visibility(query, %{exclude_visibilities: visibility})
|> join(:left, [n, a], mutated_activity in Pleroma.Activity,
on:
fragment(
"COALESCE((?->'object')->>'id', ?->>'object')",
a.data,
"associated_object_id(?)",
a.data
) ==
fragment(
"COALESCE((?->'object')->>'id', ?->>'object')",
mutated_activity.data,
"associated_object_id(?)",
mutated_activity.data
) and
fragment("(?->>'type' = 'Like' or ?->>'type' = 'Announce')", a.data, a.data) and

3
lib/pleroma/object.ex
View file

@ -40,8 +40,7 @@ def with_joined_activity(query, activity_type \\ "Create", join_type \\ :inner)
join(query, join_type, [{object, object_position}], a in Activity,
on:
fragment(
"COALESCE(?->'object'->>'id', ?->>'object') = (? ->> 'id') AND (?->>'type' = ?) ",
a.data,
"associated_object_id(?) = (? ->> 'id') AND (?->>'type' = ?) ",
a.data,
object.data,
a.data,

3
lib/pleroma/web/activity_pub/activity_pub.ex
View file

@ -1159,8 +1159,7 @@ defp restrict_pinned(query, %{pinned: true, pinned_object_ids: ids}) do
[activity, object: o] in query,
where:
fragment(
"(?)->>'type' = 'Create' and coalesce((?)->'object'->>'id', (?)->>'object') = any (?)",
activity.data,
"(?)->>'type' = 'Create' and associated_object_id((?)) = any (?)",
activity.data,
activity.data,
^ids

37
priv/repo/migrations/20220711182322_add_associated_object_id_function.exs Normal file
View file

@ -0,0 +1,37 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo.Migrations.AddAssociatedObjectIdFunction do
use Ecto.Migration
def up do
statement = """
CREATE OR REPLACE FUNCTION associated_object_id(data jsonb) RETURNS varchar AS $$
DECLARE
object_data jsonb;
BEGIN
IF jsonb_typeof(data->'object') = 'array' THEN
object_data := data->'object'->0;
ELSE
object_data := data->'object';
END IF;
IF jsonb_typeof(object_data->'id') = 'string' THEN
RETURN object_data->>'id';
ELSIF jsonb_typeof(object_data) = 'string' THEN
RETURN object_data#>>'{}';
ELSE
RETURN NULL;
END IF;
END;
$$ LANGUAGE plpgsql IMMUTABLE;
"""
execute(statement)
end
def down do
execute("DROP FUNCTION IF EXISTS associated_object_id(data jsonb)")
end
end

37
priv/repo/migrations/20220711192750_switch_to_associated_object_id_index.exs Normal file
View file

@ -0,0 +1,37 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo.Migrations.SwitchToAssociatedObjectIdIndex do
use Ecto.Migration
@disable_ddl_transaction true
@disable_migration_lock true
def up do
drop_if_exists(
index(:activities, ["(coalesce(data->'object'->>'id', data->>'object'))"],
name: :activities_create_objects_index
)
)
create(
index(:activities, ["associated_object_id(data)"],
name: :activities_create_objects_index,
concurrently: true
)
)
end
def down do
drop_if_exists(
index(:activities, ["associated_object_id(data)"], name: :activities_create_objects_index)
)
create(
index(:activities, ["(coalesce(data->'object'->>'id', data->>'object'))"],
name: :activities_create_objects_index,
concurrently: true
)
)
end
end

156
priv/repo/migrations/20220821004840_change_thread_visibility_to_use_new_object_id_index.exs Normal file
View file

@ -0,0 +1,156 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo.Migrations.ChangeThreadVisibilityToUseNewObjectIdIndex do
use Ecto.Migration
def up do
execute(update_thread_visibility())
end
def down do
execute(restore_thread_visibility())
end
def update_thread_visibility do
"""
CREATE OR REPLACE FUNCTION thread_visibility(actor varchar, activity_id varchar, local_public varchar default '') RETURNS boolean AS $$
DECLARE
public varchar := 'https://www.w3.org/ns/activitystreams#Public';
child objects%ROWTYPE;
activity activities%ROWTYPE;
author_fa varchar;
valid_recipients varchar[];
actor_user_following varchar[];
BEGIN
--- Fetch actor following
SELECT array_agg(following.follower_address) INTO actor_user_following FROM following_relationships
JOIN users ON users.id = following_relationships.follower_id
JOIN users AS following ON following.id = following_relationships.following_id
WHERE users.ap_id = actor;
--- Fetch our initial activity.
SELECT * INTO activity FROM activities WHERE activities.data->>'id' = activity_id;
LOOP
--- Ensure that we have an activity before continuing.
--- If we don't, the thread is not satisfiable.
IF activity IS NULL THEN
RETURN false;
END IF;
--- We only care about Create activities.
IF activity.data->>'type' != 'Create' THEN
RETURN true;
END IF;
--- Normalize the child object into child.
SELECT * INTO child FROM objects
INNER JOIN activities ON associated_object_id(activities.data) = objects.data->>'id'
WHERE associated_object_id(activity.data) = objects.data->>'id';
--- Fetch the author's AS2 following collection.
SELECT COALESCE(users.follower_address, '') INTO author_fa FROM users WHERE users.ap_id = activity.actor;
--- Prepare valid recipients array.
valid_recipients := ARRAY[actor, public];
--- If we specified local public, add it.
IF local_public <> '' THEN
valid_recipients := valid_recipients || local_public;
END IF;
IF ARRAY[author_fa] && actor_user_following THEN
valid_recipients := valid_recipients || author_fa;
END IF;
--- Check visibility.
IF NOT valid_recipients && activity.recipients THEN
--- activity not visible, break out of the loop
RETURN false;
END IF;
--- If there's a parent, load it and do this all over again.
IF (child.data->'inReplyTo' IS NOT NULL) AND (child.data->'inReplyTo' != 'null'::jsonb) THEN
SELECT * INTO activity FROM activities
INNER JOIN objects ON associated_object_id(activities.data) = objects.data->>'id'
WHERE child.data->>'inReplyTo' = objects.data->>'id';
ELSE
RETURN true;
END IF;
END LOOP;
END;
$$ LANGUAGE plpgsql IMMUTABLE;
"""
end
# priv/repo/migrations/20220509180452_change_thread_visibility_to_be_local_only_aware.exs
def restore_thread_visibility do
"""
CREATE OR REPLACE FUNCTION thread_visibility(actor varchar, activity_id varchar, local_public varchar default '') RETURNS boolean AS $$
DECLARE
public varchar := 'https://www.w3.org/ns/activitystreams#Public';
child objects%ROWTYPE;
activity activities%ROWTYPE;
author_fa varchar;
valid_recipients varchar[];
actor_user_following varchar[];
BEGIN
--- Fetch actor following
SELECT array_agg(following.follower_address) INTO actor_user_following FROM following_relationships
JOIN users ON users.id = following_relationships.follower_id
JOIN users AS following ON following.id = following_relationships.following_id
WHERE users.ap_id = actor;
--- Fetch our initial activity.
SELECT * INTO activity FROM activities WHERE activities.data->>'id' = activity_id;
LOOP
--- Ensure that we have an activity before continuing.
--- If we don't, the thread is not satisfiable.
IF activity IS NULL THEN
RETURN false;
END IF;
--- We only care about Create activities.
IF activity.data->>'type' != 'Create' THEN
RETURN true;
END IF;
--- Normalize the child object into child.
SELECT * INTO child FROM objects
INNER JOIN activities ON COALESCE(activities.data->'object'->>'id', activities.data->>'object') = objects.data->>'id'
WHERE COALESCE(activity.data->'object'->>'id', activity.data->>'object') = objects.data->>'id';
--- Fetch the author's AS2 following collection.
SELECT COALESCE(users.follower_address, '') INTO author_fa FROM users WHERE users.ap_id = activity.actor;
--- Prepare valid recipients array.
valid_recipients := ARRAY[actor, public];
--- If we specified local public, add it.
IF local_public <> '' THEN
valid_recipients := valid_recipients || local_public;
END IF;
IF ARRAY[author_fa] && actor_user_following THEN
valid_recipients := valid_recipients || author_fa;
END IF;
--- Check visibility.
IF NOT valid_recipients && activity.recipients THEN
--- activity not visible, break out of the loop
RETURN false;
END IF;
--- If there's a parent, load it and do this all over again.
IF (child.data->'inReplyTo' IS NOT NULL) AND (child.data->'inReplyTo' != 'null'::jsonb) THEN
SELECT * INTO activity FROM activities
INNER JOIN objects ON COALESCE(activities.data->'object'->>'id', activities.data->>'object') = objects.data->>'id'
WHERE child.data->>'inReplyTo' = objects.data->>'id';
ELSE
RETURN true;
END IF;
END LOOP;
END;
$$ LANGUAGE plpgsql IMMUTABLE;
"""
end
end

74
test/pleroma/activity_test.exs
View file

@ -278,4 +278,78 @@ test "add_by_params_query/3" do
assert Repo.aggregate(Activity, :count, :id) == 2
end
describe "associated_object_id() sql function" do
test "with json object" do
%{rows: [[object_id]]} =
Ecto.Adapters.SQL.query!(
Pleroma.Repo,
"""
select associated_object_id('{"object": {"id":"foobar"}}'::jsonb);
"""
)
assert object_id == "foobar"
end
test "with string object" do
%{rows: [[object_id]]} =
Ecto.Adapters.SQL.query!(
Pleroma.Repo,
"""
select associated_object_id('{"object": "foobar"}'::jsonb);
"""
)
assert object_id == "foobar"
end
test "with array object" do
%{rows: [[object_id]]} =
Ecto.Adapters.SQL.query!(
Pleroma.Repo,
"""
select associated_object_id('{"object": ["foobar", {}]}'::jsonb);
"""
)
assert object_id == "foobar"
end
test "invalid" do
%{rows: [[object_id]]} =
Ecto.Adapters.SQL.query!(
Pleroma.Repo,
"""
select associated_object_id('{"object": {}}'::jsonb);
"""
)
assert is_nil(object_id)
end
test "invalid object id" do
%{rows: [[object_id]]} =
Ecto.Adapters.SQL.query!(
Pleroma.Repo,
"""
select associated_object_id('{"object": {"id": 123}}'::jsonb);
"""
)
assert is_nil(object_id)
end
test "no object field" do
%{rows: [[object_id]]} =
Ecto.Adapters.SQL.query!(
Pleroma.Repo,
"""
select associated_object_id('{}'::jsonb);
"""
)
assert is_nil(object_id)
end
end
end