Replace the credentials table with one that can have empty user

Primary key columns on Oracle can not have empty strings

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

4 files changed, 176 insertions, 17 deletions

diff --git a/core/Migrations/Version13000Date20170718121200.php b/core/Migrations/Version13000Date20170718121200.php
index 2627e50bdb7..ba5f72588a6 100644
--- a/core/Migrations/Version13000Date20170718121200.php
+++ b/core/Migrations/Version13000Date20170718121200.php
@@ -811,22 +811,22 @@ class Version13000Date20170718121200 extends SimpleMigrationStep {
 			$table->addUniqueIndex(['user_id', 'object_type', 'object_id'], 'comments_marker_index');
 		}
 
-		if (!$schema->hasTable('credentials')) {
-			$table = $schema->createTable('credentials');
-			$table->addColumn('user', 'string', [
-				'notnull' => false,
-				'length' => 64,
-			]);
-			$table->addColumn('identifier', 'string', [
-				'notnull' => true,
-				'length' => 64,
-			]);
-			$table->addColumn('credentials', 'text', [
-				'notnull' => false,
-			]);
-			$table->setPrimaryKey(['user', 'identifier']);
-			$table->addIndex(['user'], 'credentials_user');
-		}
+//		if (!$schema->hasTable('credentials')) {
+//			$table = $schema->createTable('credentials');
+//			$table->addColumn('user', 'string', [
+//				'notnull' => false,
+//				'length' => 64,
+//			]);
+//			$table->addColumn('identifier', 'string', [
+//				'notnull' => true,
+//				'length' => 64,
+//			]);
+//			$table->addColumn('credentials', 'text', [
+//				'notnull' => false,
+//			]);
+//			$table->setPrimaryKey(['user', 'identifier']);
+//			$table->addIndex(['user'], 'credentials_user');
+//		}
 
 		if (!$schema->hasTable('admin_sections')) {
 			$table = $schema->createTable('admin_sections');
diff --git a/core/Migrations/Version20000Date20201109081915.php b/core/Migrations/Version20000Date20201109081915.php
index 720f54d8e8b..d19c9ca0bb2 100644
--- a/core/Migrations/Version20000Date20201109081915.php
+++ b/core/Migrations/Version20000Date20201109081915.php
@@ -43,7 +43,7 @@ class Version20000Date20201109081915 extends SimpleMigrationStep {
 
 		$result = $this->ensureColumnIsNullable($schema, 'share', 'password_by_talk');
 		$result = $this->ensureColumnIsNullable($schema, 'share', 'hide_download') || $result;
-		$result = $this->ensureColumnIsNullable($schema, 'credentials', 'user') || $result;
+//		$result = $this->ensureColumnIsNullable($schema, 'credentials', 'user') || $result;
 		$result = $this->ensureColumnIsNullable($schema, 'authtoken', 'password_invalid') || $result;
 		$result = $this->ensureColumnIsNullable($schema, 'collres_accesscache', 'access') || $result;
 
diff --git a/core/Migrations/Version20000Date20201109081918.php b/core/Migrations/Version20000Date20201109081918.php
new file mode 100644
index 00000000000..8e685b200ab
--- /dev/null
+++ b/core/Migrations/Version20000Date20201109081918.php
@@ -0,0 +1,107 @@
+<?php
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2020 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 Doctrine\DBAL\Types\Type;
+use OCP\DB\ISchemaWrapper;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version20000Date20201109081918 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
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->createTable('storages_credentials');
+		$table->addColumn('id', Type::BIGINT, [
+			'autoincrement' => true,
+			'notnull' => true,
+			'length' => 64,
+		]);
+		$table->addColumn('user', Type::STRING, [
+			'notnull' => false,
+			'length' => 64,
+		]);
+		$table->addColumn('identifier', Type::STRING, [
+			'notnull' => true,
+			'length' => 64,
+		]);
+		$table->addColumn('credentials', Type::TEXT, [
+			'notnull' => false,
+		]);
+		$table->setPrimaryKey(['id']);
+		$table->addUniqueIndex(['user', 'identifier'], 'stocred_ui');
+		$table->addIndex(['user'], 'stocred_user');
+
+		return $schema;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 *
+	 * @since 13.0.0
+	 */
+	public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options): void {
+		if (!$this->connection->tableExists('credentials')) {
+			return;
+		}
+
+		$query = $this->connection->getQueryBuilder();
+		$query->select('*')
+			->from('credentials');
+
+		$insert = $this->connection->getQueryBuilder();
+		$insert->insert('storages_credentials')
+			->setValue('user', $insert->createNamedParameter('user'))
+			->setValue('identifier', $insert->createNamedParameter('identifier'))
+			->setValue('credentials', $insert->createNamedParameter('credentials'));
+
+		$result = $query->execute();
+		while ($row = $result->fetch()) {
+			$insert->setParameter('user', (string) $row['user'])
+				->setParameter('identifier', (string) $row['identifier'])
+				->setParameter('credentials', (string) $row['credentials']);
+			$insert->execute();
+		}
+		$result->closeCursor();
+	}
+}
diff --git a/core/Migrations/Version20000Date20201109081919.php b/core/Migrations/Version20000Date20201109081919.php
new file mode 100644
index 00000000000..bfc7080ab40
--- /dev/null
+++ b/core/Migrations/Version20000Date20201109081919.php
@@ -0,0 +1,52 @@
+<?php
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2020 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\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version20000Date20201109081919 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if ($schema->hasTable('credentials')) {
+			$schema->dropTable('credentials');
+			return $schema;
+		}
+
+		return null;
+	}
+}