[ticket/security-276] Add migration for user_actkey expiration column

SECURITY-276

phpBB/phpbb/db/migration/data/v33x/add_resend_activation_expiration.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\db\migration\data\v33x;
+
+use phpbb\db\migration\migration;
+
+class add_resend_activation_expiration extends migration
+{
+	public static function depends_on(): array
+	{
+		return [
+			'\phpbb\db\migration\data\v33x\v3311',
+		];
+	}
+
+	public function update_schema(): array
+	{
+		return [
+			'add_columns' => [
+				$this->table_prefix . 'users' => [
+					'user_actkey_expiration'	=> ['TIMESTAMP', 0, 'after' => 'user_actkey'],
+				],
+			],
+		];
+	}
+
+	public function revert_schema(): array
+	{
+		return [
+			'drop_columns' => [
+				$this->table_prefix . 'users' => [
+					'user_actkey_expiration',
+				],
+			],
+		];
+	}
+}