ilObjUserPasswordTest.php

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<?php
/* Copyright (c) 1998-2014 ILIAS open source, Extended GPL, see docs/LICENSE */

use org\bovigo\vfs;

require_once 'libs/composer/vendor/autoload.php';
require_once 'Services/User/classes/class.ilUserPasswordManager.php';
require_once 'Services/User/classes/class.ilUserPasswordEncoderFactory.php';
require_once 'Services/Password/classes/class.ilBasePasswordEncoder.php';
require_once 'Services/Utilities/classes/class.ilUtil.php';
require_once 'Services/User/classes/class.ilObjUser.php';
require_once 'Services/User/exceptions/class.ilUserException.php';
require_once 'Services/User/test/ilUserBaseTest.php';

class ilObjUserPasswordTest extends ilUserBaseTest
{
    const PASSWORD = 'password';

    const ENCODED_PASSWORD = 'encoded';

    protected $testDirectory;

    protected $testDirectoryUrl;

    public function getTestDirectory() : vfs\vfsStreamDirectory
    {
        return $this->testDirectory;
    }

    public function setTestDirectory(vfs\vfsStreamDirectory $testDirectory) : void
    {
        $this->testDirectory = $testDirectory;
    }

    public function getTestDirectoryUrl() : string
    {
        return $this->testDirectoryUrl;
    }

    public function setTestDirectoryUrl(string $testDirectoryUrl) : void
    {
        $this->testDirectoryUrl = $testDirectoryUrl;
    }

    protected function setUp() : void
    {
        vfs\vfsStream::setup();
        $this->setTestDirectory(vfs\vfsStream::newDirectory('tests')->at(vfs\vfsStreamWrapper::getRoot()));
        $this->setTestDirectoryUrl(vfs\vfsStream::url('root/tests'));

        parent::setUp();
    }

    public function testExceptionIsRaisedIfPasswordManagerIsCreatedWithoutEncoderInformation() : void
    {
        $this->assertException(ilUserException::class);
        new ilUserPasswordManager(array('data_directory' => $this->getTestDirectoryUrl()));
    }

    public function testExceptionIsRaisedIfPasswordManagerIsCreatedWithoutFactory() : void
    {
        $this->assertException(ilUserException::class);
        new ilUserPasswordManager(
            array(
                'password_encoder' => 'md5',
                'data_directory' => $this->getTestDirectoryUrl()
            )
        );
    }

    public function testExceptionIsRaisedIfPasswordManagerIsCreatedWithoutValidFactory() : void
    {
        $this->assertException(PHPUnit\Framework\Error\Error::class);
        try {
            new ilUserPasswordManager(
                array(
                    'password_encoder' => 'md5',
                    'encoder_factory' => 'test',
                    'data_directory' => $this->getTestDirectoryUrl()
                )
            );
        } catch (TypeError $e) {
            throw new PHPUnit\Framework\Error\Error($e->getMessage(), $e->getCode(), $e->getFile(), $e->getLine());
        }
    }

    public function testInstanceCanBeCreated() : void
    {
        $factory_mock = $this->getMockBuilder('ilUserPasswordEncoderFactory')->disableOriginalConstructor()->getMock();
        $factory_mock->expects($this->exactly(2))->method('getSupportedEncoderNames')->will($this->onConsecutiveCalls(
            array(
                'mockencoder',
                'second_mockencoder'
            ),
            array(
                'mockencoder'
            )
        ));

        $password_manager = new ilUserPasswordManager(
            array(
                'password_encoder' => 'md5',
                'encoder_factory' => $factory_mock,
                'data_directory' => $this->getTestDirectoryUrl()
            )
        );
        $this->assertInstanceOf('ilUserPasswordManager', $password_manager);
        $this->assertEquals('md5', $password_manager->getEncoderName());
        $this->assertEquals($factory_mock, $password_manager->getEncoderFactory());

        $this->assertTrue($password_manager->isEncodingTypeSupported('second_mockencoder'));
        $this->assertFalse($password_manager->isEncodingTypeSupported('second_mockencoder'));
    }

    public function testPasswordManagerEncodesRawPasswordWithSalt() : void
    {
        $user_mock = $this->getMockBuilder('ilObjUser')->disableOriginalConstructor()->getMock();
        $encoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $factory_mock = $this->getMockBuilder('ilUserPasswordEncoderFactory')->disableOriginalConstructor()->getMock();

        $user_mock->expects($this->once())->method('setPasswordSalt')->with($this->isType('string'));
        $user_mock->expects($this->once())->method('getPasswordSalt')->will($this->returnValue('asuperrandomsalt'));
        $user_mock->expects($this->once())->method('setPasswordEncodingType')->with($this->equalTo('mockencoder'));
        $user_mock->expects($this->once())->method('setPasswd')->with(
            $this->equalTo(self::ENCODED_PASSWORD),
            $this->equalTo(IL_PASSWD_CRYPTED)
        );

        $encoder->expects($this->once())->method('getName')->will($this->returnValue('mockencoder'));
        $encoder->expects($this->once())->method('requiresSalt')->will($this->returnValue(true));
        $encoder->expects($this->once())->method('encodePassword')
                ->with(
                    $this->equalTo(self::PASSWORD),
                    $this->isType('string')
                )->will($this->returnValue(self::ENCODED_PASSWORD));

        $factory_mock->expects($this->once())->method('getEncoderByName')->will($this->returnValue($encoder));

        $password_manager = new ilUserPasswordManager(
            array(
                'password_encoder' => 'mockencoder',
                'encoder_factory' => $factory_mock,
                'data_directory' => $this->getTestDirectoryUrl()
            )
        );

        $password_manager->encodePassword($user_mock, self::PASSWORD);
    }

    public function testPasswordManagerEncodesRawPasswordWithoutSalt() : void
    {
        $user_mock = $this->getMockBuilder('ilObjUser')->disableOriginalConstructor()->getMock();
        $encoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $factory_mock = $this->getMockBuilder('ilUserPasswordEncoderFactory')->disableOriginalConstructor()->getMock();

        $user_mock->expects($this->once())->method('setPasswordSalt')->with($this->equalTo(null));
        $user_mock->expects($this->once())->method('getPasswordSalt')->will($this->returnValue(null));
        $user_mock->expects($this->once())->method('setPasswordEncodingType')->with($this->equalTo('mockencoder'));
        $user_mock->expects($this->once())->method('setPasswd')->with(
            $this->equalTo(self::ENCODED_PASSWORD),
            $this->equalTo(IL_PASSWD_CRYPTED)
        );

        $encoder->expects($this->once())->method('getName')->will($this->returnValue('mockencoder'));
        $encoder->expects($this->once())->method('requiresSalt')->will($this->returnValue(false));
        $encoder->expects($this->once())->method('encodePassword')->with(
            $this->equalTo(self::PASSWORD),
            $this->equalTo(null)
        )->will($this->returnValue(self::ENCODED_PASSWORD));

        $factory_mock->expects($this->once())->method('getEncoderByName')->will($this->returnValue($encoder));

        $password_manager = new ilUserPasswordManager(
            array(
                'password_encoder' => 'mockencoder',
                'encoder_factory' => $factory_mock,
                'data_directory' => $this->getTestDirectoryUrl()
            )
        );

        $password_manager->encodePassword($user_mock, self::PASSWORD);
    }

    public function testPasswordManagerVerifiesPassword() : void
    {
        $user_mock = $this->getMockBuilder('ilObjUser')->disableOriginalConstructor()->getMock();
        $encoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $factory_mock = $this->getMockBuilder('ilUserPasswordEncoderFactory')->disableOriginalConstructor()->getMock();

        $user_mock->expects($this->atLeast(1))->method('getPasswordSalt')->will($this->returnValue('asuperrandomsalt'));
        $user_mock->expects($this->atLeast(1))->method('getPasswordEncodingType')->will($this->returnValue('mockencoder'));
        $user_mock->expects($this->atLeast(1))->method('getPasswd')->will($this->returnValue(self::ENCODED_PASSWORD));
        $user_mock->expects($this->never())->method('resetPassword');

        $encoder->expects($this->once())->method('getName')->will($this->returnValue('mockencoder'));
        $encoder->expects($this->once())->method('isPasswordValid')->with(
            $this->equalTo(self::ENCODED_PASSWORD),
            $this->equalTo(self::PASSWORD),
            $this->isType('string')
        )->will($this->returnValue(true));
        $encoder->expects($this->once())->method('requiresReencoding')
                ->with($this->equalTo(self::ENCODED_PASSWORD))
                ->will($this->returnValue(false));

        $factory_mock->expects($this->once())->method('getEncoderByName')->will($this->returnValue($encoder));

        $password_manager = new ilUserPasswordManager(
            array(
                'password_encoder' => 'mockencoder',
                'encoder_factory' => $factory_mock,
                'data_directory' => $this->getTestDirectoryUrl()
            )
        );

        $this->assertTrue($password_manager->verifyPassword($user_mock, self::PASSWORD));
    }

    public function testPasswordManagerMigratesPasswordOnVerificationWithVariantEncoders() : void
    {
        $user_mock = $this->getMockBuilder('ilObjUser')->disableOriginalConstructor()->getMock();
        $encoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $factory_mock = $this->getMockBuilder('ilUserPasswordEncoderFactory')->disableOriginalConstructor()->getMock();

        $user_mock->expects($this->once())->method('getPasswordSalt')->will($this->returnValue('asuperrandomsalt'));
        $user_mock->expects($this->once())->method('getPasswordEncodingType')->will($this->returnValue('second_mockencoder'));
        $user_mock->expects($this->once())->method('getPasswd')->will($this->returnValue(self::ENCODED_PASSWORD));
        $user_mock->expects($this->once())->method('resetPassword')->with(
            $this->equalTo(self::PASSWORD),
            $this->equalTo(self::PASSWORD)
        );

        $encoder->expects($this->once())->method('getName')->will($this->returnValue('second_mockencoder'));
        $encoder->expects($this->once())->method('isPasswordValid')->with(
            $this->equalTo(self::ENCODED_PASSWORD),
            $this->equalTo(self::PASSWORD),
            $this->isType('string')
        )->will($this->returnValue(true));
        $encoder->expects($this->never())->method('requiresReencoding')
                ->with($this->equalTo(self::ENCODED_PASSWORD))
                ->will($this->returnValue(false));

        $factory_mock->expects($this->once())->method('getEncoderByName')->will($this->returnValue($encoder));

        $password_manager = new ilUserPasswordManager(
            array(
                'password_encoder' => 'mockencoder',
                'encoder_factory' => $factory_mock,
                'data_directory' => $this->getTestDirectoryUrl()
            )
        );

        $this->assertTrue($password_manager->verifyPassword($user_mock, self::PASSWORD));
    }

    public function testPasswordManagerReencodesPasswordIfReencodingIsNecessary() : void
    {
        $user_mock = $this->getMockBuilder('ilObjUser')->disableOriginalConstructor()->getMock();
        $encoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $factory_mock = $this->getMockBuilder('ilUserPasswordEncoderFactory')->disableOriginalConstructor()->getMock();

        $user_mock->expects($this->once())->method('getPasswordSalt')->will($this->returnValue('asuperrandomsalt'));
        $user_mock->expects($this->once())->method('getPasswordEncodingType')->will($this->returnValue('mockencoder'));
        $user_mock->expects($this->exactly(2))->method('getPasswd')->will($this->returnValue(self::ENCODED_PASSWORD));
        $user_mock->expects($this->once())->method('resetPassword')->with(
            $this->equalTo(self::PASSWORD),
            $this->equalTo(self::PASSWORD)
        );

        $encoder->expects($this->once())->method('getName')->will($this->returnValue('mockencoder'));
        $encoder->expects($this->once())->method('isPasswordValid')->with(
            $this->equalTo(self::ENCODED_PASSWORD),
            $this->equalTo(self::PASSWORD),
            $this->isType('string')
        )->will($this->returnValue(true));
        $encoder->expects($this->once())->method('requiresReencoding')
                ->with($this->equalTo(self::ENCODED_PASSWORD))
                ->will($this->returnValue(true));

        $factory_mock->expects($this->once())->method('getEncoderByName')->will($this->returnValue($encoder));

        $password_manager = new ilUserPasswordManager(
            array(
                'password_encoder' => 'mockencoder',
                'encoder_factory' => $factory_mock,
                'data_directory' => $this->getTestDirectoryUrl()
            )
        );

        $this->assertTrue($password_manager->verifyPassword($user_mock, self::PASSWORD));
    }

    public function testPasswordManagerNeverMigratesPasswordOnFailedVerificationWithVariantEncoders() : void
    {
        $user_mock = $this->getMockBuilder('ilObjUser')->disableOriginalConstructor()->getMock();
        $encoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $factory_mock = $this->getMockBuilder('ilUserPasswordEncoderFactory')->disableOriginalConstructor()->getMock();

        $user_mock->expects($this->once())->method('getPasswordSalt')->will($this->returnValue('asuperrandomsalt'));
        $user_mock->expects($this->once())->method('getPasswordEncodingType')->will($this->returnValue('second_mockencoder'));
        $user_mock->expects($this->once())->method('getPasswd')->will($this->returnValue(self::ENCODED_PASSWORD));
        $user_mock->expects($this->never())->method('resetPassword');

        $encoder->expects($this->once())->method('getName')->will($this->returnValue('second_mockencoder'));
        $encoder->expects($this->never())->method('requiresReencoding');
        $encoder->expects($this->once())->method('isPasswordValid')
                ->with(
                    $this->equalTo(self::ENCODED_PASSWORD),
                    $this->equalTo(self::PASSWORD),
                    $this->isType('string')
                )->will($this->returnValue(false));

        $factory_mock->expects($this->once())->method('getEncoderByName')->will($this->returnValue($encoder));

        $password_manager = new ilUserPasswordManager(
            array(
                'password_encoder' => 'mockencoder',
                'encoder_factory' => $factory_mock,
                'data_directory' => $this->getTestDirectoryUrl()
            )
        );

        $this->assertFalse($password_manager->verifyPassword($user_mock, self::PASSWORD));
    }

    public function testFactoryCanBeCreated() : void
    {
        $factory = new ilUserPasswordEncoderFactory([
            'data_directory' => $this->getTestDirectoryUrl()
        ]);
        $this->assertInstanceOf('ilUserPasswordEncoderFactory', $factory);
    }

    public function testGettersOfFactoryShouldReturnWhatWasSetBySetters() : void
    {
        $factory = new ilUserPasswordEncoderFactory(array(
            'default_password_encoder' => 'md5',
            'data_directory' => $this->getTestDirectoryUrl()
        ));
        $this->assertEquals('md5', $factory->getDefaultEncoder());

        $encoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $encoder->expects($this->atLeastOnce())->method('getName')->will($this->returnValue('mockencoder'));

        $second_mockencoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $second_mockencoder->expects($this->atLeastOnce())->method('getName')->will($this->returnValue('second_mockencoder'));

        $factory->setEncoders(array($encoder, $second_mockencoder));
        $this->assertCount(2, $factory->getEncoders());
        $this->assertCount(2, $factory->getSupportedEncoderNames());
        $this->assertCount(
            0,
            array_diff(array('mockencoder', 'second_mockencoder'), $factory->getSupportedEncoderNames())
        );
        $this->assertCount(
            0,
            array_diff($factory->getSupportedEncoderNames(), array('mockencoder', 'second_mockencoder'))
        );
    }

    public function testFactoryRaisesAnExceptionIfAnUnsupportedEncoderWasInjected() : void
    {
        $this->assertException(ilUserException::class);
        $factory = new ilUserPasswordEncoderFactory(array(
            'data_directory' => $this->getTestDirectoryUrl()
        ));
        $factory->setEncoders(array('phpunit'));
    }

    public function testExceptionIsRaisedIfAnUnsupportedEncoderIsRequestedFromFactory() : void
    {
        $this->assertException(ilUserException::class);
        $factory = new ilUserPasswordEncoderFactory(array(
            'default_password_encoder' => 'md5',
            'data_directory' => $this->getTestDirectoryUrl()
        ));
        $factory->getEncoderByName('phpunit');
    }

    public function testFactoryRaisesAnExceptionIfAnUnsupportedEncoderIsRequestedAndNoDefaultEncoderWasSpecifiedInFallbackMode() : void
    {
        $this->assertException(ilUserException::class);
        $factory = new ilUserPasswordEncoderFactory(array(
            'data_directory' => $this->getTestDirectoryUrl()
        ));
        $factory->getEncoderByName('phpunit', true);
    }

    public function testFactoryRaisesAnExceptionIfAnUnsupportedEncoderIsRequestedAndTheDefaultEncoderDoesNotMatchOneOfTheSupportedEncodersInFallbackMode() : void
    {
        $this->assertException(ilUserException::class);
        $factory = new ilUserPasswordEncoderFactory(array(
            'default_password_encoder' => 'phpunit',
            'data_directory' => $this->getTestDirectoryUrl()
        ));
        $factory->getEncoderByName('phpunit', true);
    }

    public function testFactoryReturnsTheDefaultEncoderIfAnUnsupportedEncoderIsRequestedAndASupportedDefaultEncoderWasSpecifiedInFallbackMode() : void
    {
        $encoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $encoder->expects($this->atLeastOnce())->method('getName')->will($this->returnValue('mockencoder'));

        $factory = new ilUserPasswordEncoderFactory(array(
            'default_password_encoder' => $encoder->getName(),
            'data_directory' => $this->getTestDirectoryUrl()
        ));
        $factory->setEncoders(array($encoder));
        $this->assertEquals($encoder, $factory->getEncoderByName('phpunit', true));
    }

    public function testFactoryReturnsCorrectEncoderIfAMatchingEncoderWasFound() : void
    {
        $encoder = $this->getMockBuilder('ilBasePasswordEncoder')->disableOriginalConstructor()->getMock();
        $encoder->expects($this->atLeastOnce())->method('getName')->will($this->returnValue('mockencoder'));

        $factory = new ilUserPasswordEncoderFactory(array(
            'default_password_encoder' => $encoder->getName(),
            'data_directory' => $this->getTestDirectoryUrl()
        ));
        $factory->setEncoders(array($encoder));
        $this->assertEquals($encoder, $factory->getEncoderByName('mockencoder', true));
    }
}