forked from AkkomaGang/akkoma
Add rollbacks for associated_object_id
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@ -34,6 +34,15 @@ git pull -r
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# to run "git merge stable" instead (or develop if you want)
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```
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### WARNING - Migrating from Pleroma Develop
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If you are on pleroma develop, and have updated since 2022-08, you may have issues with database migrations.
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Please roll back the given migrations:
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```bash
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MIX_ENV=prod mix ecto.rollback --migrations-path priv/repo/optional_migrations/pleroma_develop_rollbacks -n3
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```
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Then compile, migrate and restart as usual.
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## From OTP
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@ -0,0 +1,37 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Repo.Migrations.AddAssociatedObjectIdFunction do
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use Ecto.Migration
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def up do
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statement = """
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CREATE OR REPLACE FUNCTION associated_object_id(data jsonb) RETURNS varchar AS $$
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DECLARE
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object_data jsonb;
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BEGIN
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IF jsonb_typeof(data->'object') = 'array' THEN
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object_data := data->'object'->0;
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ELSE
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object_data := data->'object';
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END IF;
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IF jsonb_typeof(object_data->'id') = 'string' THEN
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RETURN object_data->>'id';
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ELSIF jsonb_typeof(object_data) = 'string' THEN
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RETURN object_data#>>'{}';
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ELSE
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RETURN NULL;
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END IF;
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END;
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$$ LANGUAGE plpgsql IMMUTABLE;
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"""
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execute(statement)
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end
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def down do
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execute("DROP FUNCTION IF EXISTS associated_object_id(data jsonb)")
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end
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end
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@ -0,0 +1,37 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Repo.Migrations.SwitchToAssociatedObjectIdIndex do
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use Ecto.Migration
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@disable_ddl_transaction true
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@disable_migration_lock true
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def up do
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drop_if_exists(
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index(:activities, ["(coalesce(data->'object'->>'id', data->>'object'))"],
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name: :activities_create_objects_index
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)
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)
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create(
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index(:activities, ["associated_object_id(data)"],
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name: :activities_create_objects_index,
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concurrently: true
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)
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)
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end
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def down do
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drop_if_exists(
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index(:activities, ["associated_object_id(data)"], name: :activities_create_objects_index)
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)
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create(
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index(:activities, ["(coalesce(data->'object'->>'id', data->>'object'))"],
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name: :activities_create_objects_index,
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concurrently: true
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)
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)
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end
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end
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@ -0,0 +1,156 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Repo.Migrations.ChangeThreadVisibilityToUseNewObjectIdIndex do
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use Ecto.Migration
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def up do
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execute(update_thread_visibility())
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end
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def down do
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execute(restore_thread_visibility())
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end
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def update_thread_visibility do
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"""
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CREATE OR REPLACE FUNCTION thread_visibility(actor varchar, activity_id varchar, local_public varchar default '') RETURNS boolean AS $$
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DECLARE
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public varchar := 'https://www.w3.org/ns/activitystreams#Public';
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child objects%ROWTYPE;
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activity activities%ROWTYPE;
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author_fa varchar;
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valid_recipients varchar[];
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actor_user_following varchar[];
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BEGIN
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--- Fetch actor following
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SELECT array_agg(following.follower_address) INTO actor_user_following FROM following_relationships
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JOIN users ON users.id = following_relationships.follower_id
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JOIN users AS following ON following.id = following_relationships.following_id
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WHERE users.ap_id = actor;
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--- Fetch our initial activity.
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SELECT * INTO activity FROM activities WHERE activities.data->>'id' = activity_id;
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LOOP
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--- Ensure that we have an activity before continuing.
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--- If we don't, the thread is not satisfiable.
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IF activity IS NULL THEN
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RETURN false;
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END IF;
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--- We only care about Create activities.
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IF activity.data->>'type' != 'Create' THEN
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RETURN true;
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END IF;
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--- Normalize the child object into child.
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SELECT * INTO child FROM objects
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INNER JOIN activities ON associated_object_id(activities.data) = objects.data->>'id'
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WHERE associated_object_id(activity.data) = objects.data->>'id';
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--- Fetch the author's AS2 following collection.
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SELECT COALESCE(users.follower_address, '') INTO author_fa FROM users WHERE users.ap_id = activity.actor;
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--- Prepare valid recipients array.
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valid_recipients := ARRAY[actor, public];
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--- If we specified local public, add it.
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IF local_public <> '' THEN
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valid_recipients := valid_recipients || local_public;
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END IF;
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IF ARRAY[author_fa] && actor_user_following THEN
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valid_recipients := valid_recipients || author_fa;
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END IF;
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--- Check visibility.
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IF NOT valid_recipients && activity.recipients THEN
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--- activity not visible, break out of the loop
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RETURN false;
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END IF;
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--- If there's a parent, load it and do this all over again.
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IF (child.data->'inReplyTo' IS NOT NULL) AND (child.data->'inReplyTo' != 'null'::jsonb) THEN
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SELECT * INTO activity FROM activities
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INNER JOIN objects ON associated_object_id(activities.data) = objects.data->>'id'
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WHERE child.data->>'inReplyTo' = objects.data->>'id';
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ELSE
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RETURN true;
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END IF;
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END LOOP;
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END;
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$$ LANGUAGE plpgsql IMMUTABLE;
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"""
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end
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# priv/repo/migrations/20220509180452_change_thread_visibility_to_be_local_only_aware.exs
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def restore_thread_visibility do
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"""
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CREATE OR REPLACE FUNCTION thread_visibility(actor varchar, activity_id varchar, local_public varchar default '') RETURNS boolean AS $$
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DECLARE
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public varchar := 'https://www.w3.org/ns/activitystreams#Public';
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child objects%ROWTYPE;
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activity activities%ROWTYPE;
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author_fa varchar;
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valid_recipients varchar[];
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actor_user_following varchar[];
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BEGIN
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--- Fetch actor following
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SELECT array_agg(following.follower_address) INTO actor_user_following FROM following_relationships
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JOIN users ON users.id = following_relationships.follower_id
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JOIN users AS following ON following.id = following_relationships.following_id
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WHERE users.ap_id = actor;
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--- Fetch our initial activity.
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SELECT * INTO activity FROM activities WHERE activities.data->>'id' = activity_id;
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LOOP
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--- Ensure that we have an activity before continuing.
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--- If we don't, the thread is not satisfiable.
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IF activity IS NULL THEN
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RETURN false;
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END IF;
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--- We only care about Create activities.
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IF activity.data->>'type' != 'Create' THEN
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RETURN true;
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END IF;
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--- Normalize the child object into child.
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SELECT * INTO child FROM objects
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INNER JOIN activities ON COALESCE(activities.data->'object'->>'id', activities.data->>'object') = objects.data->>'id'
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WHERE COALESCE(activity.data->'object'->>'id', activity.data->>'object') = objects.data->>'id';
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--- Fetch the author's AS2 following collection.
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SELECT COALESCE(users.follower_address, '') INTO author_fa FROM users WHERE users.ap_id = activity.actor;
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--- Prepare valid recipients array.
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valid_recipients := ARRAY[actor, public];
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--- If we specified local public, add it.
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IF local_public <> '' THEN
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valid_recipients := valid_recipients || local_public;
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END IF;
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IF ARRAY[author_fa] && actor_user_following THEN
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valid_recipients := valid_recipients || author_fa;
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END IF;
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--- Check visibility.
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IF NOT valid_recipients && activity.recipients THEN
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--- activity not visible, break out of the loop
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RETURN false;
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END IF;
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--- If there's a parent, load it and do this all over again.
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IF (child.data->'inReplyTo' IS NOT NULL) AND (child.data->'inReplyTo' != 'null'::jsonb) THEN
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SELECT * INTO activity FROM activities
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INNER JOIN objects ON COALESCE(activities.data->'object'->>'id', activities.data->>'object') = objects.data->>'id'
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WHERE child.data->>'inReplyTo' = objects.data->>'id';
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ELSE
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RETURN true;
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END IF;
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END LOOP;
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END;
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$$ LANGUAGE plpgsql IMMUTABLE;
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"""
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end
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end
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