<?php

/**
 * @author Christoph Wurst <christoph@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace Test\Authentication\Token;

use OC;
use OC\Authentication\Token\DefaultToken;
use OC\Authentication\Token\DefaultTokenMapper;
use OC\Authentication\Token\IToken;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use OCP\IUser;
use Test\TestCase;

/**
 * Class DefaultTokenMapperTest
 *
 * @group DB
 * @package Test\Authentication
 */
class DefaultTokenMapperTest extends TestCase {
	/** @var DefaultTokenMapper */
	private $mapper;
	/** @var IDBConnection */
	private $dbConnection;
	private $time;

	protected function setUp(): void {
		parent::setUp();

		$this->dbConnection = OC::$server->getDatabaseConnection();
		$this->time = \time();
		$this->resetDatabase();

		$this->mapper = new DefaultTokenMapper($this->dbConnection);
	}

	private function resetDatabase() {
		$qb = $this->dbConnection->getQueryBuilder();
		$qb->delete('authtoken')->execute();
		$qb->insert('authtoken')->values([
			'uid' => $qb->createNamedParameter('user1'),
			'login_name' => $qb->createNamedParameter('User1'),
			'password' => $qb->createNamedParameter('a75c7116460c082912d8f6860a850904|3nz5qbG1nNSLLi6V|c55365a0e54cfdfac4a175bcf11a7612aea74492277bba6e5d96a24497fa9272488787cb2f3ad34d8b9b8060934fce02f008d371df3ff3848f4aa61944851ff0'),
			'name' => $qb->createNamedParameter('Firefox on Linux'),
			'token' => $qb->createNamedParameter('9c5a2e661482b65597408a6bb6c4a3d1af36337381872ac56e445a06cdb7fea2b1039db707545c11027a4966919918b19d875a8b774840b18c6cbb7ae56fe206'),
			'type' => $qb->createNamedParameter(IToken::TEMPORARY_TOKEN),
			'last_activity' => $qb->createNamedParameter($this->time - 120, IQueryBuilder::PARAM_INT), // Two minutes ago
			'last_check' => $this->time - 60 * 10, // 10mins ago
		])->execute();
		$qb->insert('authtoken')->values([
			'uid' => $qb->createNamedParameter('user2'),
			'login_name' => $qb->createNamedParameter('User2'),
			'password' => $qb->createNamedParameter('971a337057853344700bbeccf836519f|UwOQwyb34sJHtqPV|036d4890f8c21d17bbc7b88072d8ef049a5c832a38e97f3e3d5f9186e896c2593aee16883f617322fa242728d0236ff32d163caeb4bd45e14ca002c57a88665f'),
			'name' => $qb->createNamedParameter('Firefox on Android'),
			'token' => $qb->createNamedParameter('1504445f1524fc801035448a95681a9378ba2e83930c814546c56e5d6ebde221198792fd900c88ed5ead0555780dad1ebce3370d7e154941cd5de87eb419899b'),
			'type' => $qb->createNamedParameter(IToken::TEMPORARY_TOKEN),
			'last_activity' => $qb->createNamedParameter($this->time - 60 * 60 * 24 * 3, IQueryBuilder::PARAM_INT), // Three days ago
			'last_check' => $this->time -  10, // 10secs ago
		])->execute();
		$qb->insert('authtoken')->values([
			'uid' => $qb->createNamedParameter('user1'),
			'login_name' => $qb->createNamedParameter('User1'),
			'password' => $qb->createNamedParameter('063de945d6f6b26862d9b6f40652f2d5|DZ/z520tfdXPtd0T|395f6b89be8d9d605e409e20b9d9abe477fde1be38a3223f9e508f979bf906e50d9eaa4dca983ca4fb22a241eb696c3f98654e7775f78c4caf13108f98642b53'),
			'name' => $qb->createNamedParameter('Iceweasel on Linux'),
			'token' => $qb->createNamedParameter('47af8697ba590fb82579b5f1b3b6e8066773a62100abbe0db09a289a62f5d980dc300fa3d98b01d7228468d1ab05c1aa14c8d14bd5b6eee9cdf1ac14864680c3'),
			'type' => $qb->createNamedParameter(IToken::TEMPORARY_TOKEN),
			'last_activity' => $qb->createNamedParameter($this->time - 120, IQueryBuilder::PARAM_INT), // Two minutes ago
			'last_check' => $this->time - 60 * 10, // 10mins ago
		])->execute();
	}

	private function getNumberOfTokens() {
		$qb = $this->dbConnection->getQueryBuilder();
		$result = $qb->select($qb->createFunction('count(*) as `count`'))
			->from('authtoken')
			->execute()
			->fetch();
		return (int) $result['count'];
	}

	public function testInvalidate() {
		$token = '9c5a2e661482b65597408a6bb6c4a3d1af36337381872ac56e445a06cdb7fea2b1039db707545c11027a4966919918b19d875a8b774840b18c6cbb7ae56fe206';

		$this->mapper->invalidate($token);

		$this->assertSame(2, $this->getNumberOfTokens());
	}

	public function testInvalidateInvalid() {
		$token = 'youwontfindthisoneinthedatabase';

		$this->mapper->invalidate($token);

		$this->assertSame(3, $this->getNumberOfTokens());
	}

	public function testInvalidateOld() {
		$olderThan = $this->time - 60 * 60; // One hour

		$this->mapper->invalidateOld($olderThan);

		$this->assertSame(2, $this->getNumberOfTokens());
	}

	public function testGetToken() {
		$token = new DefaultToken();
		$token->setUid('user2');
		$token->setLoginName('User2');
		$token->setPassword('971a337057853344700bbeccf836519f|UwOQwyb34sJHtqPV|036d4890f8c21d17bbc7b88072d8ef049a5c832a38e97f3e3d5f9186e896c2593aee16883f617322fa242728d0236ff32d163caeb4bd45e14ca002c57a88665f');
		$token->setName('Firefox on Android');
		$token->setToken('1504445f1524fc801035448a95681a9378ba2e83930c814546c56e5d6ebde221198792fd900c88ed5ead0555780dad1ebce3370d7e154941cd5de87eb419899b');
		$token->setType(IToken::TEMPORARY_TOKEN);
		$token->setLastActivity($this->time - 60 * 60 * 24 * 3);
		$token->setLastCheck($this->time - 10);

		$dbToken = $this->mapper->getToken($token->getToken());

		$token->setId($dbToken->getId()); // We don't know the ID
		$token->resetUpdatedFields();

		$this->assertEquals($token, $dbToken);
	}

	/**
	 */
	public function testGetInvalidToken() {
		$this->expectException(\OCP\AppFramework\Db\DoesNotExistException::class);

		$token = 'thisisaninvalidtokenthatisnotinthedatabase';

		$this->mapper->getToken($token);
	}

	public function testGetTokenByUser() {
		$user = $this->createMock('\OCP\IUser');
		$user->expects($this->once())
			->method('getUID')
			->will($this->returnValue('user1'));

		$this->assertCount(2, $this->mapper->getTokenByUser($user));
	}

	public function testGetTokenByUserNotFound() {
		/** @var IUser | \PHPUnit\Framework\MockObject\MockObject $user */
		$user = $this->createMock('\OCP\IUser');
		$user->expects($this->once())
			->method('getUID')
			->will($this->returnValue('user1000'));

		$this->assertCount(0, $this->mapper->getTokenByUser($user));
	}

	public function testDeleteById() {
		/** @var IUser | \PHPUnit\Framework\MockObject\MockObject $user */
		$user = $this->createMock('\OCP\IUser');
		$qb = $this->dbConnection->getQueryBuilder();
		$qb->select('id')
			->from('authtoken')
			->where($qb->expr()->eq('token', $qb->createNamedParameter('9c5a2e661482b65597408a6bb6c4a3d1af36337381872ac56e445a06cdb7fea2b1039db707545c11027a4966919918b19d875a8b774840b18c6cbb7ae56fe206')));
		$result = $qb->execute();
		$id = $result->fetch()['id'];
		$user->expects($this->once())
			->method('getUID')
			->will($this->returnValue('user1'));

		$this->mapper->deleteById($user, $id);
		$this->assertEquals(2, $this->getNumberOfTokens());
	}

	public function testDeleteByIdWrongUser() {
		/** @var IUser | \PHPUnit\Framework\MockObject\MockObject $user */
		$user = $this->createMock('\OCP\IUser');
		$id = 33;
		$user->expects($this->once())
			->method('getUID')
			->will($this->returnValue('user10000'));

		$this->mapper->deleteById($user, $id);
		$this->assertEquals(3, $this->getNumberOfTokens());
	}

	/**
	 */
	public function testEmptyName() {
		$this->expectException(\InvalidArgumentException::class);

		$token = new DefaultToken();
		$token->setUid('user01');
		$token->setName('');
		$this->mapper->insert($token);
	}

	/**
	 */
	public function testEmptyLoginName() {
		$this->expectException(\InvalidArgumentException::class);

		$token = new DefaultToken();
		$token->setUid('user01');
		$token->setLoginName('');
		$this->mapper->insert($token);
	}
}
