tx_saltedpasswords_salts_factoryTest.php

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<?php
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*  (c) 2009-2011 Marcus Krause <marcus#exp2009@t3sec.info>
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/**
 * Contains class "tx_saltedpasswords_salts_factory"
 * that provides a salted hashing method factory.
 *
 * $Id: tx_saltedpasswords_salts_factoryTest.php 10120 2011-01-18 20:03:36Z ohader $
 */

/**
 * Testcases for class tx_saltedpasswords_salts_factory.
 *
 * @author      Marcus Krause <marcus#exp2009@t3sec.info>
 *
 * @since       2009-09-06
 * @package     TYPO3
 * @subpackage  tx_saltedpasswords
 */
class tx_saltedpasswords_salts_factoryTest extends tx_phpunit_testcase {


    /**
     * Keeps instance of object to test.
     *
     * @var tx_saltedpasswords_abstract_salts
     */
    protected $objectInstance = NULL;

    /**
     * Sets up the fixtures for this testcase.
     *
     * @return  void
     */
    protected function setUp() {
        $this->objectInstance = tx_saltedpasswords_salts_factory::getSaltingInstance();
    }

    /**
     * Tears down objects and settings created in this testcase.
     *
     * @return  void
     */
    public function tearDown() {
        unset($this->objectInstance);
    }

    /**
     * @test
     */
    public function objectInstanceNotNull() {
        $this->assertNotNull($this->objectInstance);
    }

    /**
     * @test
     */
    public function objectInstanceExtendsAbstractClass() {
        $this->assertTrue(is_subclass_of($this->objectInstance, 'tx_saltedpasswords_abstract_salts'));
    }

    /**
     * @test
     */
    public function objectInstanceImplementsInterface() {
        $this->assertTrue(method_exists($this->objectInstance, 'checkPassword'), 'Missing method checkPassword() from interface tx_saltedpasswords_salts.');
        $this->assertTrue(method_exists($this->objectInstance, 'isHashUpdateNeeded'), 'Missing method isHashUpdateNeeded() from interface tx_saltedpasswords_salts.');
        $this->assertTrue(method_exists($this->objectInstance, 'isValidSalt') , 'Missing method isValidSalt() from interface tx_saltedpasswords_salts.');
        $this->assertTrue(method_exists($this->objectInstance, 'isValidSaltedPW') , 'Missing method isValidSaltedPW() from interface tx_saltedpasswords_salts.');
        $this->assertTrue(method_exists($this->objectInstance, 'getHashedPassword'), 'Missing method getHashedPassword() from interface tx_saltedpasswords_salts.');
        $this->assertTrue(method_exists($this->objectInstance, 'getSaltLength'), 'Missing method getSaltLength() from interface tx_saltedpasswords_salts.');
    }

    /**
     * @test
     */
    public function base64EncodeReturnsProperLength() {
            // 3 Bytes should result in a 6 char length base64 encoded string
            // used for MD5 and PHPass salted hashing
        $byteLength = 3;
        $reqLengthBase64 = intval(ceil(($byteLength * 8) / 6));
        $randomBytes = t3lib_div::generateRandomBytes($byteLength);
        $this->assertTrue(strlen($this->objectInstance->base64Encode($randomBytes, $byteLength)) == $reqLengthBase64);

            // 16 Bytes should result in a 22 char length base64 encoded string
            // used for Blowfish salted hashing
        $byteLength = 16;
        $reqLengthBase64 = intval(ceil(($byteLength * 8) / 6));
        $randomBytes = t3lib_div::generateRandomBytes($byteLength);
        $this->assertTrue(strlen($this->objectInstance->base64Encode($randomBytes, $byteLength)) == $reqLengthBase64);
    }

    /**
     * @test
     */
    public function objectInstanceForMD5Salts() {
        $saltMD5 = '$1$rasmusle$rISCgZzpwk3UhDidwXvin0';
        $this->objectInstance = tx_saltedpasswords_salts_factory::getSaltingInstance($saltMD5);

        $this->assertTrue((get_class($this->objectInstance) == 'tx_saltedpasswords_salts_md5') || (is_subclass_of($this->objectInstance, 'tx_saltedpasswords_salts_md5')) );
    }

    /**
     * @test
     */
    public function objectInstanceForBlowfishSalts() {
        $saltBlowfish = '$2a$07$abcdefghijklmnopqrstuuIdQV69PAxWYTgmnoGpe0Sk47GNS/9ZW';
        $this->objectInstance = tx_saltedpasswords_salts_factory::getSaltingInstance($saltBlowfish);
        $this->assertTrue((get_class($this->objectInstance) == 'tx_saltedpasswords_salts_blowfish') || (is_subclass_of($this->objectInstance, 'tx_saltedpasswords_salts_blowfish')) );
    }

    /**
     * @test
     */
    public function objectInstanceForPhpassSalts() {
        $saltPhpass = '$P$CWF13LlG/0UcAQFUjnnS4LOqyRW43c.';
        $this->objectInstance = tx_saltedpasswords_salts_factory::getSaltingInstance($saltPhpass);
        $this->assertTrue((get_class($this->objectInstance) == 'tx_saltedpasswords_salts_phpass') || (is_subclass_of($this->objectInstance, 'tx_saltedpasswords_salts_phpass')) );
    }

    /**
     * @test
     */
    public function resettingFactoryInstanceSucceeds() {
        $defaultClassNameToUse = tx_saltedpasswords_div::getDefaultSaltingHashingMethod();

        $saltedPW = '';
        if ($defaultClassNameToUse == 'tx_saltedpasswords_salts_md5') {
            $saltedPW = '$P$CWF13LlG/0UcAQFUjnnS4LOqyRW43c.';
        } else {
            $saltedPW = '$1$rasmusle$rISCgZzpwk3UhDidwXvin0';
        }
        $this->objectInstance = tx_saltedpasswords_salts_factory::getSaltingInstance($saltedPW);

            // resetting
        $this->objectInstance = tx_saltedpasswords_salts_factory::getSaltingInstance(NULL);
        $this->assertTrue((get_class($this->objectInstance) == $defaultClassNameToUse) || (is_subclass_of($this->objectInstance, $defaultClassNameToUse)));
    }
}
?>