Oefenweb/cakephp-uni-login

<?php
App::uses('UniLoginUtil', 'UniLogin.Lib');

/**
 * UniLoginUtilTest class.
 *
 */
class UniLoginUtilTest extends CakeTestCase {

/**
 * Contains the original plugin configuration.
 *
 * @var array|null
 */
    protected $_restore = null;

/**
 * setUp method.
 *
 * @return void
 */
    public function setUp() {
        parent::setUp();

        $this->_restore = Configure::read('UniLogin');

        Configure::write('UniLogin.provider.secret', 'abc123');
        Configure::write('UniLogin.provider.url', 'https://sso.emu.dk/unilogin/login.cgi?id=%s');
        Configure::write('UniLogin.provider.applicationId', 'myId');
    }

/**
 * tearDown method.
 *
 * @return void
 */
    public function tearDown() {
        parent::tearDown();

        Configure::write('UniLogin', $this->_restore);
    }

/**
 * Tests `calculateFingerprint`.
 *
 * @return void
 */
    public function testCalculateFingerprint() {
        $timestamp = '20030505125952';
        $user = 'testuser';
        $expected = '5e55280df202c8820a7092746b991088';
        $actual = UniLoginUtil::calculateFingerprint($timestamp, $user);

        $this->assertEquals($expected, $actual);
    }

/**
 * Tests `getFormattedTimestamp`.
 *
 * @return void
 */
    public function testGetTimestamp() {
        $timestamp = 1052139592;
        $expected = '20030505125952';
        $actual = UniLoginUtil::getFormattedTimestamp($timestamp);

        $this->assertEquals($expected, $actual);
    }

/**
 * Tests `parseFormattedTimestamp`.
 *
 * @return void
 */
    public function testParseTimestamp() {
        $timestamp = '20030505125952';
        $expected = 1052139592;
        $actual = UniLoginUtil::parseFormattedTimestamp($timestamp);

        $this->assertEquals($expected, $actual);
    }

/**
 * Tests `validateFingerprint`.
 *
 * @return void
 */
    public function testValidateFingerprint() {
        // Good timestamp
        $timestamp = time();
        $formattedTimestamp = UniLoginUtil::getFormattedTimestamp($timestamp);
        $user = 'testuser';
        $fingerprint = UniLoginUtil::calculateFingerprint($formattedTimestamp, $user);
        $actual = UniLoginUtil::validateFingerprint($formattedTimestamp, $user, $fingerprint);

        $this->assertTrue($actual);

        // Timestamp in the future
        $timestamp = strtotime('+5 minutes');
        $formattedTimestamp = UniLoginUtil::getFormattedTimestamp($timestamp);
        $user = 'testuser';
        $fingerprint = UniLoginUtil::calculateFingerprint($formattedTimestamp, $user);
        $actual = UniLoginUtil::validateFingerprint($formattedTimestamp, $user, $fingerprint);

        $this->assertFalse($actual);

        // Timestamp in the past within 1 minute
        $timestamp = strtotime('-30 seconds');
        $formattedTimestamp = UniLoginUtil::getFormattedTimestamp($timestamp);
        $user = 'testuser';
        $fingerprint = UniLoginUtil::calculateFingerprint($formattedTimestamp, $user);
        $actual = UniLoginUtil::validateFingerprint($formattedTimestamp, $user, $fingerprint);

        $this->assertTrue($actual);

        // Timestamp in the past more than 1 minute ago
        $timestamp = strtotime('-2 minutes');
        $formattedTimestamp = UniLoginUtil::getFormattedTimestamp($timestamp);
        $user = 'testuser';
        $fingerprint = UniLoginUtil::calculateFingerprint($formattedTimestamp, $user);
        $actual = UniLoginUtil::validateFingerprint($formattedTimestamp, $user, $fingerprint);

        $this->assertFalse($actual);
    }

/**
 * Tests `getProviderUrl`.
 *
 * @return void
 */
    public function testGetProviderUrl() {
        $expected = 'https://sso.emu.dk/unilogin/login.cgi?id=myId';
        $actual = UniLoginUtil::getProviderUrl();

        $this->assertEquals($expected, $actual);
    }

/**
 * Tests `calculateUrlFingerprint`.
 *
 * @return void
 */
    public function testCalculateUrlFingerprint() {
        $url = 'http://www.emu.dk/appl';
        $expected = '59169cb39fab40cb0ad6ade6a6eb491e';
        $actual = UniLoginUtil::calculateUrlFingerprint($url);

        $this->assertEquals($expected, $actual);
    }

/**
 * Tests `decodeUrl`.
 *
 * @return void
 */
    public function testDecodeUrl() {
        $url = 'aHR0cDovL3d3dy5lbXUuZGsvYXBwbA%3D%3D';
        $expected = 'http://www.emu.dk/appl';
        $actual = UniLoginUtil::decodeUrl($url);

        $this->assertEquals($expected, $actual);
    }

/**
 * Tests `encodeUrl`.
 *
 * @return void
 */
    public function testEncodeUrl() {
        $url = 'http://www.emu.dk/appl';
        $expected = 'aHR0cDovL3d3dy5lbXUuZGsvYXBwbA==';
        $actual = UniLoginUtil::encodeUrl($url);

        $this->assertEquals($expected, $actual);
    }

/**
 * Tests `validateUrlFingerprint`.
 *
 * @return void
 */
    public function testValidateUrlFingerprint() {
        $url = 'http://www.emu.dk/appl';
        $fingerprint = '59169cb39fab40cb0ad6ade6a6eb491e';
        $actual = UniLoginUtil::validateUrlFingerprint($url, $fingerprint);

        $this->assertTrue($actual);
    }

/**
 * Tests `hmac`.
 *
 * @return void
 */
    public function testHmac() {
        $timestamp = strtotime('-2 minutes');
        $formattedTimestamp = UniLoginUtil::getFormattedTimestamp($timestamp);
        $user = 'testuser';

        $data = [
            'user' => 'testuser',
            'timestamp' => 1535028701,
            'auth' => '28241D17887D43328077A8046F210491',
            'validated' => 1,
        ];
        $expected = 'effb812bb240a7ef7b8741cda9894529f84bc365e79ebe00eb0f255b97b36646';
        $actual = UniLoginUtil::hmac($data);

        $this->assertEquals($expected, $actual);
    }
}