Lowercase all core=>email values

Signed-off-by: Joas Schilling <coding@schilljs.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/core/Migrations/Version24000Date20211210141942.php b/core/Migrations/Version24000Date20211210141942.php
new file mode 100644
index 00000000000..fb9003457b2
--- /dev/null
+++ b/core/Migrations/Version24000Date20211210141942.php
@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Core\Migrations;
+
+use Closure;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Email addresses are case insensitive
+ * But previously a user could enter any casing of the email address
+ * and we would in case of a login lower case the input and the database value.
+ *
+ */
+class Version24000Date20211210141942 extends SimpleMigrationStep {
+
+	/** @var IDBConnection */
+	protected $connection;
+
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+		$update = $this->connection->getQueryBuilder();
+
+		$update->update('preferences')
+			->set('configvalue', $update->func()->lower('configvalue'))
+			->where($update->expr()->eq('appid', $update->createNamedParameter('core')))
+			->andWhere($update->expr()->eq('configkey', $update->createNamedParameter('email')));
+
+		$update->executeStatement();
+	}
+}