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<?php
/**
* @copyright 2021 Louis Chemineau <louis@chmn.me>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Repair\Owncloud;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
use OC\DB\Connection;
use OC\DB\SchemaWrapper;
use OCP\DB\QueryBuilder\IQueryBuilder;
class MigrateOauthTables implements IRepairStep {
/** @var Connection */
protected $db;
/**
* @param Connection $db
*/
public function __construct(Connection $db) {
$this->db = $db;
}
/**
* @return string
*/
public function getName() {
return 'Migrate oauth2_clients table to nextcloud schema';
}
public function run(IOutput $output) {
$schema = new SchemaWrapper($this->db);
if (!$schema->hasTable('oauth2_clients')) {
$output->info("oauth2_clients table does not exist.");
return;
}
$output->info("Update the oauth2_access_tokens table schema.");
$schema = new SchemaWrapper($this->db);
$table = $schema->getTable('oauth2_access_tokens');
if (!$table->hasColumn('hashed_code')) {
$table->addColumn('hashed_code', 'string', [
'notnull' => true,
'length' => 128,
]);
}
if (!$table->hasColumn('encrypted_token')) {
$table->addColumn('encrypted_token', 'string', [
'notnull' => true,
'length' => 786,
]);
}
if (!$table->hasIndex('oauth2_access_hash_idx')) {
$table->addUniqueIndex(['hashed_code'], 'oauth2_access_hash_idx');
}
if (!$table->hasIndex('oauth2_access_client_id_idx')) {
$table->addIndex(['client_id'], 'oauth2_access_client_id_idx');
}
$output->info("Update the oauth2_clients table schema.");
$schema = new SchemaWrapper($this->db);
$table = $schema->getTable('oauth2_clients');
if ($table->getColumn('name')->getLength() !== 64) {
// shorten existing values before resizing the column
$qb = $this->db->getQueryBuilder();
$qb->update('oauth2_clients')
->set('name', $qb->createParameter('shortenedName'))
->where($qb->expr()->eq('id', $qb->createParameter('theId')));
$qbSelect = $this->db->getQueryBuilder();
$qbSelect->select('id', 'name')
->from('oauth2_clients');
$result = $qbSelect->executeQuery();
while ($row = $result->fetch()) {
$id = $row['id'];
$shortenedName = mb_substr($row['name'], 0, 64);
$qb->setParameter('theId', $id, IQueryBuilder::PARAM_INT);
$qb->setParameter('shortenedName', $shortenedName, IQueryBuilder::PARAM_STR);
$qb->executeStatement();
}
$result->closeCursor();
// safely set the new column length
$table->getColumn('name')->setLength(64);
}
if ($table->hasColumn('allow_subdomains')) {
$table->dropColumn('allow_subdomains');
}
if ($table->hasColumn('trusted')) {
$table->dropColumn('trusted');
}
if (!$schema->getTable('oauth2_clients')->hasColumn('client_identifier')) {
$table->addColumn('client_identifier', 'string', [
'notnull' => true,
'length' => 64,
'default' => ''
]);
$table->addIndex(['client_identifier'], 'oauth2_client_id_idx');
}
$this->db->migrateToSchema($schema->getWrappedSchema());
if ($schema->getTable('oauth2_clients')->hasColumn('identifier')) {
$output->info("Move identifier column's data to the new client_identifier column.");
// 1. Fetch all [id, identifier] couple.
$selectQuery = $this->db->getQueryBuilder();
$selectQuery->select('id', 'identifier')->from('oauth2_clients');
$result = $selectQuery->executeQuery();
$identifiers = $result->fetchAll();
$result->closeCursor();
// 2. Insert them into the client_identifier column.
foreach ($identifiers as ["id" => $id, "identifier" => $clientIdentifier]) {
$insertQuery = $this->db->getQueryBuilder();
$insertQuery->update('oauth2_clients')
->set('client_identifier', $insertQuery->createNamedParameter($clientIdentifier, IQueryBuilder::PARAM_STR))
->where($insertQuery->expr()->eq('id', $insertQuery->createNamedParameter($id, IQueryBuilder::PARAM_INT)))
->executeStatement();
}
$output->info("Drop the identifier column.");
$schema = new SchemaWrapper($this->db);
$table = $schema->getTable('oauth2_clients');
$table->dropColumn('identifier');
$this->db->migrateToSchema($schema->getWrappedSchema());
}
$output->info('Delete clients (and their related access tokens) with the redirect_uri starting with oc:// or ending with *');
// delete the access tokens
$qbDeleteAccessTokens = $this->db->getQueryBuilder();
$qbSelectClientId = $this->db->getQueryBuilder();
$qbSelectClientId->select('id')
->from('oauth2_clients')
->where(
$qbSelectClientId->expr()->iLike('redirect_uri', $qbDeleteAccessTokens->createNamedParameter('oc://%', IQueryBuilder::PARAM_STR))
)
->orWhere(
$qbSelectClientId->expr()->iLike('redirect_uri', $qbDeleteAccessTokens->createNamedParameter('%*', IQueryBuilder::PARAM_STR))
);
$qbDeleteAccessTokens->delete('oauth2_access_tokens')
->where(
$qbSelectClientId->expr()->in('client_id', $qbDeleteAccessTokens->createFunction($qbSelectClientId->getSQL()), IQueryBuilder::PARAM_STR_ARRAY)
);
$qbDeleteAccessTokens->executeStatement();
// delete the clients
$qbDeleteClients = $this->db->getQueryBuilder();
$qbDeleteClients->delete('oauth2_clients')
->where(
$qbDeleteClients->expr()->iLike('redirect_uri', $qbDeleteClients->createNamedParameter('oc://%', IQueryBuilder::PARAM_STR))
)
->orWhere(
$qbDeleteClients->expr()->iLike('redirect_uri', $qbDeleteClients->createNamedParameter('%*', IQueryBuilder::PARAM_STR))
);
$qbDeleteClients->executeStatement();
}
}
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