private void setupEncryptor()

in src/main/java/org/apache/sling/commons/crypto/jasypt/internal/JasyptStandardPbeStringCryptoService.java [105:137]

30 lines of code
6 McCabe index (conditional complexity)


    private void setupEncryptor(final JasyptStandardPbeStringCryptoServiceConfiguration configuration) {
        final String algorithm = configuration.algorithm();
        final Set<?> algorithms = AlgorithmRegistry.getAllPBEAlgorithms();
        if (!algorithms.contains(algorithm)) {
            logger.warn("Configured algorithm {} for password based encryption is not available. {}", algorithm, algorithms);
        }
        final StandardPBEStringEncryptor encryptor = new StandardPBEStringEncryptor();
        // mandatory
        encryptor.setAlgorithm(algorithm);
        final IvGenerator ivGenerator = this.ivGenerator;
        encryptor.setIvGenerator(ivGenerator);
        // optional
        encryptor.setKeyObtentionIterations(configuration.keyObtentionIterations());
        encryptor.setStringOutputType(configuration.stringOutputType());
        final String securityProviderName = configuration.securityProviderName();
        if (Objects.nonNull(securityProviderName) && !securityProviderName.isBlank()) {
            encryptor.setProviderName(securityProviderName);
        }
        final Provider provider = this.securityProvider;
        if (Objects.nonNull(provider)) {
            encryptor.setProvider(provider);
        }
        final SaltGenerator saltGenerator = this.saltGenerator;
        if (Objects.nonNull(saltGenerator)) {
            encryptor.setSaltGenerator(saltGenerator);
        }
        // set mandatory password, initialize encryptor, clear password
        final char[] password = passwordProvider.getPassword();
        encryptor.setPasswordCharArray(password);
        encryptor.initialize();
        Arrays.fill(password, '0');
        this.encryptor = encryptor;
    }