nextcloud/tests/Core/Service/LoginFlowV2ServiceUnitTest.php

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<?php
/**
* @author Konrad Abicht <hi@inspirito.de>
*
* @copyright Copyright (c) 2021, Konrad Abicht <hi@inspirito.de>
* @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 Tests\Core\Data;
use Exception;
use OC\Authentication\Exceptions\InvalidTokenException;
use OC\Authentication\Token\IProvider;
use OC\Authentication\Token\IToken;
use OC\Core\Data\LoginFlowV2Credentials;
use OC\Core\Data\LoginFlowV2Tokens;
use OC\Core\Db\LoginFlowV2Mapper;
use OC\Core\Db\LoginFlowV2;
use OC\Core\Exception\LoginFlowV2NotFoundException;
use OC\Core\Service\LoginFlowV2Service;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\IConfig;
use OCP\ILogger;
use OCP\Security\ICrypto;
use OCP\Security\ISecureRandom;
use Test\TestCase;
/**
* Unit tests for \OC\Core\Service\LoginFlowV2Service
*/
class LoginFlowV2ServiceUnitTest extends TestCase {
/** @var \OCP\IConfig */
private $config;
/** @var \OCP\Security\ICrypto */
private $crypto;
/** @var \OCP\ILogger */
private $logger;
/** @var \OC\Core\Db\LoginFlowV2Mapper */
private $mapper;
/** @var \OCP\Security\ISecureRandom */
private $secureRandom;
/** @var \OC\Core\Service\LoginFlowV2Service */
private $subjectUnderTest;
/** @var \OCP\AppFramework\Utility\ITimeFactory */
private $timeFactory;
/** @var \OC\Authentication\Token\IProvider */
private $tokenProvider;
public function setUp(): void {
parent::setUp();
$this->setupSubjectUnderTest();
}
/**
* Setup subject under test with mocked constructor arguments.
*
* Code was moved to separate function to keep setUp function small and clear.
*/
private function setupSubjectUnderTest(): void {
$this->config = $this->getMockBuilder(IConfig::class)
->disableOriginalConstructor()->getMock();
$this->crypto = $this->getMockBuilder(ICrypto::class)
->disableOriginalConstructor()->getMock();
$this->mapper = $this->getMockBuilder(LoginFlowV2Mapper::class)
->disableOriginalConstructor()->getMock();
$this->logger = $this->getMockBuilder(ILogger::class)
->disableOriginalConstructor()->getMock();
$this->tokenProvider = $this->getMockBuilder(IProvider::class)
->disableOriginalConstructor()->getMock();
$this->secureRandom = $this->getMockBuilder(ISecureRandom::class)
->disableOriginalConstructor()->getMock();
$this->timeFactory = $this->getMockBuilder(ITimeFactory::class)
->disableOriginalConstructor()->getMock();
$this->subjectUnderTest = new LoginFlowV2Service(
$this->mapper,
$this->secureRandom,
$this->timeFactory,
$this->config,
$this->crypto,
$this->logger,
$this->tokenProvider
);
}
/**
* Generates for a given password required OpenSSL parts.
*
* @return array Array contains encrypted password, private key and public key.
*/
private function getOpenSSLEncryptedPublicAndPrivateKey(string $appPassword): array {
// Create the private and public key
$res = openssl_pkey_new([
'digest_alg' => 'md5', // take fast algorithm for testing purposes
'private_key_bits' => 512,
'private_key_type' => OPENSSL_KEYTYPE_RSA,
]);
// Extract the private key from $res
openssl_pkey_export($res, $privateKey);
// Extract the public key from $res
$publicKey = openssl_pkey_get_details($res);
$publicKey = $publicKey['key'];
// Encrypt the data to $encrypted using the public key
openssl_public_encrypt($appPassword, $encrypted, $publicKey, OPENSSL_PKCS1_OAEP_PADDING);
return [$encrypted, $privateKey, $publicKey];
}
/*
* Tests for poll
*/
public function testPollApptokenCouldNotBeDecrypted() {
$this->expectException(LoginFlowV2NotFoundException::class);
$this->expectExceptionMessage('Apptoken could not be decrypted');
/*
* Cannot be mocked, because functions like getLoginName are magic functions.
* To be able to set internal properties, we have to use the real class here.
*/
$loginFlowV2 = new LoginFlowV2();
$loginFlowV2->setLoginName('test');
$loginFlowV2->setServer('test');
$loginFlowV2->setAppPassword('test');
$loginFlowV2->setPrivateKey('test');
$this->mapper->expects($this->once())
->method('getByPollToken')
->willReturn($loginFlowV2);
$this->subjectUnderTest->poll('');
}
public function testPollInvalidToken() {
$this->expectException(LoginFlowV2NotFoundException::class);
$this->expectExceptionMessage('Invalid token');
$this->mapper->expects($this->once())
->method('getByPollToken')
->willThrowException(new DoesNotExistException(''));
$this->subjectUnderTest->poll('');
}
public function testPollTokenNotYetReady() {
$this->expectException(LoginFlowV2NotFoundException::class);
$this->expectExceptionMessage('Token not yet ready');
$this->subjectUnderTest->poll('');
}
public function testPollRemoveDataFromDb() {
[$encrypted, $privateKey] = $this->getOpenSSLEncryptedPublicAndPrivateKey('test_pass');
$this->crypto->expects($this->once())
->method('decrypt')
->willReturn($privateKey);
/*
* Cannot be mocked, because functions like getLoginName are magic functions.
* To be able to set internal properties, we have to use the real class here.
*/
$loginFlowV2 = new LoginFlowV2();
$loginFlowV2->setLoginName('test_login');
$loginFlowV2->setServer('test_server');
$loginFlowV2->setAppPassword(base64_encode($encrypted));
$loginFlowV2->setPrivateKey($privateKey);
$this->mapper->expects($this->once())
->method('delete')
->with($this->equalTo($loginFlowV2));
$this->mapper->expects($this->once())
->method('getByPollToken')
->willReturn($loginFlowV2);
$credentials = $this->subjectUnderTest->poll('');
$this->assertTrue($credentials instanceof LoginFlowV2Credentials);
$this->assertEquals(
[
'server' => 'test_server',
'loginName' => 'test_login',
'appPassword' => 'test_pass',
],
$credentials->jsonSerialize()
);
}
/*
* Tests for getByLoginToken
*/
public function testGetByLoginToken() {
$loginFlowV2 = new LoginFlowV2();
$loginFlowV2->setLoginName('test_login');
$loginFlowV2->setServer('test_server');
$loginFlowV2->setAppPassword('test');
$this->mapper->expects($this->once())
->method('getByLoginToken')
->willReturn($loginFlowV2);
$result = $this->subjectUnderTest->getByLoginToken('test_token');
$this->assertTrue($result instanceof LoginFlowV2);
$this->assertEquals('test_server', $result->getServer());
$this->assertEquals('test_login', $result->getLoginName());
$this->assertEquals('test', $result->getAppPassword());
}
public function testGetByLoginTokenLoginTokenInvalid() {
$this->expectException(LoginFlowV2NotFoundException::class);
$this->expectExceptionMessage('Login token invalid');
$this->mapper->expects($this->once())
->method('getByLoginToken')
->willThrowException(new DoesNotExistException(''));
$this->subjectUnderTest->getByLoginToken('test_token');
}
/*
* Tests for startLoginFlow
*/
public function testStartLoginFlow() {
$loginFlowV2 = new LoginFlowV2();
$this->mapper->expects($this->once())
->method('getByLoginToken')
->willReturn($loginFlowV2);
$this->mapper->expects($this->once())
->method('update');
$this->assertTrue($this->subjectUnderTest->startLoginFlow('test_token'));
}
public function testStartLoginFlowDoesNotExistException() {
$this->mapper->expects($this->once())
->method('getByLoginToken')
->willThrowException(new DoesNotExistException(''));
$this->assertFalse($this->subjectUnderTest->startLoginFlow('test_token'));
}
/**
* If an exception not of type DoesNotExistException is thrown,
* it is expected that it is not being handled by startLoginFlow.
*/
public function testStartLoginFlowException() {
$this->expectException(Exception::class);
$this->mapper->expects($this->once())
->method('getByLoginToken')
->willThrowException(new Exception(''));
$this->subjectUnderTest->startLoginFlow('test_token');
}
/*
* Tests for flowDone
*/
public function testFlowDone() {
[,, $publicKey] = $this->getOpenSSLEncryptedPublicAndPrivateKey('test_pass');
$loginFlowV2 = new LoginFlowV2();
$loginFlowV2->setPublicKey($publicKey);
$loginFlowV2->setClientName('client_name');
$this->mapper->expects($this->once())
->method('getByLoginToken')
->willReturn($loginFlowV2);
$this->mapper->expects($this->once())
->method('update');
$this->secureRandom->expects($this->once())
->method('generate')
->with(72, ISecureRandom::CHAR_UPPER.ISecureRandom::CHAR_LOWER.ISecureRandom::CHAR_DIGITS)
->willReturn('test_pass');
// session token
$sessionToken = $this->getMockBuilder(IToken::class)->disableOriginalConstructor()->getMock();
$sessionToken->expects($this->once())
->method('getLoginName')
->willReturn('login_name');
$this->tokenProvider->expects($this->once())
->method('getPassword')
->willReturn('test_pass');
$this->tokenProvider->expects($this->once())
->method('getToken')
->willReturn($sessionToken);
$this->tokenProvider->expects($this->once())
->method('generateToken')
->with(
'test_pass',
'user_id',
'login_name',
'test_pass',
'client_name',
IToken::PERMANENT_TOKEN,
IToken::DO_NOT_REMEMBER
);
$result = $this->subjectUnderTest->flowDone(
'login_token',
'session_id',
'server',
'user_id'
);
$this->assertTrue($result);
// app password is encrypted and must look like:
// ZACZOOzxTpKz4+KXL5kZ/gCK0xvkaVi/8yzupAn6Ui6+5qCSKvfPKGgeDRKs0sivvSLzk/XSp811SZCZmH0Y3g==
$this->assertRegExp('/[a-zA-Z\/0-9+=]+/', $loginFlowV2->getAppPassword());
$this->assertEquals('server', $loginFlowV2->getServer());
}
public function testFlowDoneDoesNotExistException() {
$this->mapper->expects($this->once())
->method('getByLoginToken')
->willThrowException(new DoesNotExistException(''));
$result = $this->subjectUnderTest->flowDone(
'login_token',
'session_id',
'server',
'user_id'
);
$this->assertFalse($result);
}
public function testFlowDonePasswordlessTokenException() {
$this->tokenProvider->expects($this->once())
->method('getToken')
->willThrowException(new InvalidTokenException(''));
$result = $this->subjectUnderTest->flowDone(
'login_token',
'session_id',
'server',
'user_id'
);
$this->assertFalse($result);
}
/*
* Tests for createTokens
*/
public function testCreateTokens() {
$this->config->expects($this->exactly(2))
->method('getSystemValue')
->willReturn($this->returnCallback(function ($key) {
// Note: \OCP\IConfig::getSystemValue returns either an array or string.
return 'openssl' == $key ? [] : '';
}));
$this->mapper->expects($this->once())
->method('insert');
$this->secureRandom->expects($this->exactly(2))
->method('generate');
$token = $this->subjectUnderTest->createTokens('user_agent');
$this->assertTrue($token instanceof LoginFlowV2Tokens);
}
}