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Editing: Version31000Date20240101084401.php

<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
namespace OC\Core\Migrations;

use Closure;
use OCP\DB\ISchemaWrapper;
use OCP\DB\Types;
use OCP\Migration\Attributes\AddIndex;
use OCP\Migration\Attributes\CreateTable;
use OCP\Migration\Attributes\IndexType;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;

/**
 * @since 31.0.0
 */
#[CreateTable(
	table: 'sec_signatory',
	columns: ['id', 'key_id_sum', 'key_id', 'host', 'provider_id', 'account', 'public_key', 'metadata', 'type', 'status', 'creation', 'last_updated'],
	description: 'new table to store remove public/private key pairs'
)]
#[AddIndex(
	table: 'sec_signatory',
	type: IndexType::PRIMARY
)]
#[AddIndex(
	table: 'sec_signatory',
	type: IndexType::UNIQUE,
	description: 'confirm uniqueness per host, provider and account'
)]
#[AddIndex(
	table: 'sec_signatory',
	type: IndexType::INDEX,
	description: 'to search on key and provider'
)]
class Version31000Date20240101084401 extends SimpleMigrationStep {
	public function description(): string {
		return "creating new table 'sec_signatory' to store remote signatories";
	}

public function name(): string {
		return 'create sec_signatory';
	}

/**
	 * @param IOutput $output
	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
	 * @param array $options
	 * @return null|ISchemaWrapper
	 */
	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
		/** @var ISchemaWrapper $schema */
		$schema = $schemaClosure();

if (!$schema->hasTable('sec_signatory')) {
			$table = $schema->createTable('sec_signatory');
			$table->addColumn('id', Types::BIGINT, [
				'notnull' => true,
				'length' => 64,
				'autoincrement' => true,
				'unsigned' => true,
			]);
			// key_id_sum will store a hash version of the key_id, more appropriate for search/index
			$table->addColumn('key_id_sum', Types::STRING, [
				'notnull' => true,
				'length' => 127,
			]);
			$table->addColumn('key_id', Types::STRING, [
				'notnull' => true,
				'length' => 512
			]);
			// host/provider_id/account will help generate a unique entry, not based on key_id
			// this way, a spoofed instance cannot publish a new key_id for same host+provider_id
			// account will be used only to stored multiple keys for the same provider_id/host
			$table->addColumn('host', Types::STRING, [
				'notnull' => true,
				'length' => 512
			]);
			$table->addColumn('provider_id', Types::STRING, [
				'notnull' => true,
				'length' => 31,
			]);
			$table->addColumn('account', Types::STRING, [
				'notnull' => false,
				'length' => 127,
				'default' => ''
			]);
			$table->addColumn('public_key', Types::TEXT, [
				'notnull' => true,
				'default' => ''
			]);
			$table->addColumn('metadata', Types::TEXT, [
				'notnull' => true,
				'default' => '[]'
			]);
			// type+status are informative about the trustability of remote instance and status of the signatory
			$table->addColumn('type', Types::SMALLINT, [
				'notnull' => true,
				'length' => 2,
				'default' => 9
			]);
			$table->addColumn('status', Types::SMALLINT, [
				'notnull' => true,
				'length' => 2,
				'default' => 0,
			]);
			$table->addColumn('creation', Types::INTEGER, [
				'notnull' => false,
				'length' => 4,
				'default' => 0,
				'unsigned' => true,
			]);
			$table->addColumn('last_updated', Types::INTEGER, [
				'notnull' => false,
				'length' => 4,
				'default' => 0,
				'unsigned' => true,
			]);

$table->setPrimaryKey(['id'], 'sec_sig_id');
			$table->addUniqueIndex(['provider_id', 'host', 'account'], 'sec_sig_unic');
			$table->addIndex(['key_id_sum', 'provider_id'], 'sec_sig_key');

return $schema;
		}

return null;
	}
}

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