added support for saml login (#1408)

src/Migrations/Version20200125123942.php

@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace DoctrineMigrations;
+
+use App\Doctrine\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Adds a column to the user table to identify authenticator
+ *
+ * @version 1.8
+ */
+final class Version20200125123942 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Adds a column to the user table to identify authenticator';
+    }
+
+    protected function isSupportingForeignKeys(): bool
+    {
+        return false;
+    }
+
+    public function isTransactional(): bool
+    {
+        if ($this->isPlatformSqlite()) {
+            // does fail if we use transactions, as tables are re-created and foreign keys would fail
+            return false;
+        }
+
+        return true;
+    }
+
+    public function up(Schema $schema): void
+    {
+        $users = $schema->getTable('kimai2_users');
+        $users->addColumn('auth', 'string', ['notnull' => false, 'length' => 20]);
+    }
+
+    public function down(Schema $schema): void
+    {
+        $users = $schema->getTable('kimai2_users');
+        $users->dropColumn('auth');
+    }
+}