SaltFactoryTest.php

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<?php
namespace TYPO3\CMS\Saltedpasswords\Tests\Unit\Salt;

class SaltFactoryTest extends \TYPO3\CMS\Core\Tests\UnitTestCase {

    protected $objectInstance = NULL;

    protected function setUp() {
        $this->objectInstance = \TYPO3\CMS\Saltedpasswords\Salt\SaltFactory::getSaltingInstance();
    }

    public function objectInstanceNotNull() {
        $this->assertNotNull($this->objectInstance);
    }

    public function objectInstanceExtendsAbstractClass() {
        $this->assertTrue(is_subclass_of($this->objectInstance, 'TYPO3\\CMS\\Saltedpasswords\\Salt\\AbstractSalt'));
    }

    public function objectInstanceImplementsInterface() {
        $this->assertTrue(method_exists($this->objectInstance, 'checkPassword'), 'Missing method checkPassword() from interface TYPO3\\CMS\\Saltedpasswords\\Salt\\SaltInterface.');
        $this->assertTrue(method_exists($this->objectInstance, 'isHashUpdateNeeded'), 'Missing method isHashUpdateNeeded() from interface TYPO3\\CMS\\Saltedpasswords\\Salt\\SaltInterface.');
        $this->assertTrue(method_exists($this->objectInstance, 'isValidSalt'), 'Missing method isValidSalt() from interface TYPO3\\CMS\\Saltedpasswords\\Salt\\SaltInterface.');
        $this->assertTrue(method_exists($this->objectInstance, 'isValidSaltedPW'), 'Missing method isValidSaltedPW() from interface TYPO3\\CMS\\Saltedpasswords\\Salt\\SaltInterface.');
        $this->assertTrue(method_exists($this->objectInstance, 'getHashedPassword'), 'Missing method getHashedPassword() from interface TYPO3\\CMS\\Saltedpasswords\\Salt\\SaltInterface.');
        $this->assertTrue(method_exists($this->objectInstance, 'getSaltLength'), 'Missing method getSaltLength() from interface TYPO3\\CMS\\Saltedpasswords\\Salt\\SaltInterface.');
    }

    public function base64EncodeReturnsProperLength() {
        // 3 Bytes should result in a 6 char length base64 encoded string
        // used for MD5 and PHPass salted hashing
        $byteLength = 3;
        $reqLengthBase64 = (int)ceil($byteLength * 8 / 6);
        $randomBytes = \TYPO3\CMS\Core\Utility\GeneralUtility::generateRandomBytes($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;
        $reqLengthBase64 = (int)ceil($byteLength * 8 / 6);
        $randomBytes = \TYPO3\CMS\Core\Utility\GeneralUtility::generateRandomBytes($byteLength);
        $this->assertTrue(strlen($this->objectInstance->base64Encode($randomBytes, $byteLength)) == $reqLengthBase64);
    }

    public function objectInstanceForMD5Salts() {
        $saltMD5 = '$1$rasmusle$rISCgZzpwk3UhDidwXvin0';
        $this->objectInstance = \TYPO3\CMS\Saltedpasswords\Salt\SaltFactory::getSaltingInstance($saltMD5);
        $this->assertTrue(get_class($this->objectInstance) == 'TYPO3\\CMS\\Saltedpasswords\\Salt\\Md5Salt' || is_subclass_of($this->objectInstance, 'TYPO3\\CMS\\Saltedpasswords\\Salt\\Md5Salt'));
    }

    public function objectInstanceForBlowfishSalts() {
        $saltBlowfish = '$2a$07$abcdefghijklmnopqrstuuIdQV69PAxWYTgmnoGpe0Sk47GNS/9ZW';
        $this->objectInstance = \TYPO3\CMS\Saltedpasswords\Salt\SaltFactory::getSaltingInstance($saltBlowfish);
        $this->assertTrue(get_class($this->objectInstance) == 'TYPO3\\CMS\\Saltedpasswords\\Salt\\BlowfishSalt' || is_subclass_of($this->objectInstance, 'TYPO3\\CMS\\Saltedpasswords\\Salt\\BlowfishSalt'));
    }

    public function objectInstanceForPhpassSalts() {
        $saltPhpass = '$P$CWF13LlG/0UcAQFUjnnS4LOqyRW43c.';
        $this->objectInstance = \TYPO3\CMS\Saltedpasswords\Salt\SaltFactory::getSaltingInstance($saltPhpass);
        $this->assertTrue(get_class($this->objectInstance) == 'TYPO3\\CMS\\Saltedpasswords\\Salt\\PhpassSalt' || is_subclass_of($this->objectInstance, 'TYPO3\\CMS\\Saltedpasswords\\Salt\\PhpassSalt'));
    }

    public function resettingFactoryInstanceSucceeds() {
        $defaultClassNameToUse = \TYPO3\CMS\Saltedpasswords\Utility\SaltedPasswordsUtility::getDefaultSaltingHashingMethod();
        if ($defaultClassNameToUse == 'TYPO3\\CMS\\Saltedpasswords\\Salt\\Md5Salt') {
            $saltedPW = '$P$CWF13LlG/0UcAQFUjnnS4LOqyRW43c.';
        } else {
            $saltedPW = '$1$rasmusle$rISCgZzpwk3UhDidwXvin0';
        }
        $this->objectInstance = \TYPO3\CMS\Saltedpasswords\Salt\SaltFactory::getSaltingInstance($saltedPW);
        // resetting
        $this->objectInstance = \TYPO3\CMS\Saltedpasswords\Salt\SaltFactory::getSaltingInstance(NULL);
        $this->assertTrue(get_class($this->objectInstance) == $defaultClassNameToUse || is_subclass_of($this->objectInstance, $defaultClassNameToUse));
    }

}