Current File : //www/varak.net/nextcloud.varak.net/core/Migrations/Version30000Date20240814180800.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\Migration\Attributes\ModifyColumn;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;
#[ModifyColumn(table: 'webauthn', name: 'public_key_credential_id', description: 'Increase column length to 512 bytes to support more WebAuthN devices')]
class Version30000Date20240814180800 extends SimpleMigrationStep {
public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
/** @var ISchemaWrapper $schema */
$schema = $schemaClosure();
$table = $schema->getTable('webauthn');
$column = $table->getColumn('public_key_credential_id');
/**
* There is no maximum length defined in the standard,
* most common the length is between 128 and 200 characters,
* but as we store it not in plain data but base64 encoded the length can grow about 1/3.
* We had a regression with 'Nitrokey 3' which created IDs with 196 byte length -> 262 bytes encoded base64.
* So to be save we increase the size to 512 bytes.
*/
if ($column->getLength() < 512) {
$column->setLength(512);
}
return $schema;
}
}
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