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fix(webauthn): Increase database column for public key id

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* Resolves https://github.com/nextcloud/server/issues/34476

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.

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
This commit is contained in:
Ferdinand Thiessen 2024-08-14 18:07:51 +02:00
parent fb90e7e2cf
commit b582630715
No known key found for this signature in database
GPG key ID: 45FAE7268762B400
4 changed files with 40 additions and 1 deletions
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2
core/Migrations/Version19000Date20200211083441.php
View file

@ -35,7 +35,7 @@ class Version19000Date20200211083441 extends SimpleMigrationStep {
]);
$table->addColumn('public_key_credential_id', 'string', [
'notnull' => true,
'length' => 255
'length' => 512
]);
$table->addColumn('data', 'text', [
'notnull' => true,

37
core/Migrations/Version30000Date20240814180800.php Normal file
View file

@ -0,0 +1,37 @@
<?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\IOutput;
use OCP\Migration\SimpleMigrationStep;
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;
}
}

1
lib/composer/composer/autoload_classmap.php
View file

@ -1365,6 +1365,7 @@ return array(
'OC\\Core\\Migrations\\Version30000Date20240429122720' => $baseDir . '/core/Migrations/Version30000Date20240429122720.php',
'OC\\Core\\Migrations\\Version30000Date20240708160048' => $baseDir . '/core/Migrations/Version30000Date20240708160048.php',
'OC\\Core\\Migrations\\Version30000Date20240717111406' => $baseDir . '/core/Migrations/Version30000Date20240717111406.php',
'OC\\Core\\Migrations\\Version30000Date20240814180800' => $baseDir . '/core/Migrations/Version30000Date20240814180800.php',
'OC\\Core\\Notification\\CoreNotifier' => $baseDir . '/core/Notification/CoreNotifier.php',
'OC\\Core\\ResponseDefinitions' => $baseDir . '/core/ResponseDefinitions.php',
'OC\\Core\\Service\\LoginFlowV2Service' => $baseDir . '/core/Service/LoginFlowV2Service.php',

1
lib/composer/composer/autoload_static.php
View file

@ -1398,6 +1398,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
'OC\\Core\\Migrations\\Version30000Date20240429122720' => __DIR__ . '/../../..' . '/core/Migrations/Version30000Date20240429122720.php',
'OC\\Core\\Migrations\\Version30000Date20240708160048' => __DIR__ . '/../../..' . '/core/Migrations/Version30000Date20240708160048.php',
'OC\\Core\\Migrations\\Version30000Date20240717111406' => __DIR__ . '/../../..' . '/core/Migrations/Version30000Date20240717111406.php',
'OC\\Core\\Migrations\\Version30000Date20240814180800' => __DIR__ . '/../../..' . '/core/Migrations/Version30000Date20240814180800.php',
'OC\\Core\\Notification\\CoreNotifier' => __DIR__ . '/../../..' . '/core/Notification/CoreNotifier.php',
'OC\\Core\\ResponseDefinitions' => __DIR__ . '/../../..' . '/core/ResponseDefinitions.php',
'OC\\Core\\Service\\LoginFlowV2Service' => __DIR__ . '/../../..' . '/core/Service/LoginFlowV2Service.php',