Java tutorial
/* * ============================================================================= * * Copyright (c) 2007-2010, The JASYPT team (http://www.jasypt.org) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * ============================================================================= */ package org.jasypt.spring31.xml.encryption; import java.util.Arrays; import java.util.HashSet; import java.util.Set; import org.jasypt.digest.config.EnvironmentDigesterConfig; import org.jasypt.digest.config.EnvironmentStringDigesterConfig; import org.jasypt.digest.config.SimpleDigesterConfig; import org.jasypt.digest.config.SimpleStringDigesterConfig; import org.springframework.beans.factory.support.BeanDefinitionBuilder; import org.springframework.util.StringUtils; import org.w3c.dom.Element; import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; /** * * @since 1.9.0 * * @author Daniel Fernández * */ final class DigesterConfigBeanDefinitionParser extends AbstractEncryptionBeanDefinitionParser { private static final String SCOPE_ATTRIBUTE = "scope"; // simple private static final String PARAM_ALGORITHM = "algorithm"; private static final String PARAM_ITERATIONS = "iterations"; private static final String PARAM_SALT_SIZE_BYTES = "salt-size-bytes"; private static final String PARAM_SALT_GENERATOR_BEAN = "salt-generator-bean"; private static final String PARAM_SALT_GENERATOR_CLASS_NAME = "salt-generator-class-name"; private static final String PARAM_PROVIDER_BEAN = "provider-bean"; private static final String PARAM_PROVIDER_CLASS_NAME = "provider-class-name"; private static final String PARAM_PROVIDER_NAME = "provider-name"; private static final String PARAM_INVERT_POSITION_OF_SALT_IN_MESSAGE_BEFORE_DIGESTING = "invert-position-of-salt-in-message-before-digesting"; private static final String PARAM_INVERT_POSITION_OF_PLAIN_SALT_IN_ENCRYPTION_RESULTS = "invert-position-of-plain-salt-in-encryption-results"; private static final String PARAM_USE_LENIENT_SALT_SIZE_CHECK = "use-lenient-salt-size-check"; private static final String PARAM_POOL_SIZE = "pool-size"; private static final Set<String> PARAMS_SIMPLE = new HashSet<String>(Arrays.asList( new String[] { PARAM_ALGORITHM, PARAM_ITERATIONS, PARAM_SALT_SIZE_BYTES, PARAM_SALT_GENERATOR_BEAN, PARAM_SALT_GENERATOR_CLASS_NAME, PARAM_PROVIDER_BEAN, PARAM_PROVIDER_CLASS_NAME, PARAM_PROVIDER_NAME, PARAM_INVERT_POSITION_OF_SALT_IN_MESSAGE_BEFORE_DIGESTING, PARAM_INVERT_POSITION_OF_PLAIN_SALT_IN_ENCRYPTION_RESULTS, PARAM_USE_LENIENT_SALT_SIZE_CHECK, PARAM_POOL_SIZE })); // string private static final String PARAM_STRING_OUTPUT_TYPE = "string-output-type"; private static final String PARAM_UNICODE_NORMALIZATION_IGNORED = "unicode-normalization-ignored"; private static final String PARAM_PREFIX = "prefix"; private static final String PARAM_SUFFIX = "suffix"; private static final Set<String> PARAMS_STRING = new HashSet<String>(Arrays.asList(new String[] { PARAM_STRING_OUTPUT_TYPE, PARAM_UNICODE_NORMALIZATION_IGNORED, PARAM_PREFIX, PARAM_SUFFIX })); // environment private static final String PARAM_ALGORITHM_ENV_NAME = "algorithm-env-name"; private static final String PARAM_ALGORITHM_SYS_PROPERTY_NAME = "algorithm-sys-property-name"; private static final String PARAM_ITERATIONS_ENV_NAME = "iterations-env-name"; private static final String PARAM_ITERATIONS_SYS_PROPERTY_NAME = "iterations-sys-property-name"; private static final String PARAM_SALT_SIZE_BYTES_ENV_NAME = "salt-size-bytes-env-name"; private static final String PARAM_SALT_SIZE_BYTES_SYS_PROPERTY_NAME = "salt-size-bytes-sys-property-name"; private static final String PARAM_SALT_GENERATOR_CLASS_NAME_ENV_NAME = "salt-generator-class-name-env-name"; private static final String PARAM_SALT_GENERATOR_CLASS_NAME_SYS_PROPERTY_NAME = "salt-generator-class-name-sys-property-name"; private static final String PARAM_PROVIDER_CLASS_NAME_ENV_NAME = "provider-class-name-env-name"; private static final String PARAM_PROVIDER_CLASS_NAME_SYS_PROPERTY_NAME = "provider-class-name-sys-property-name"; private static final String PARAM_PROVIDER_NAME_ENV_NAME = "provider-name-env-name"; private static final String PARAM_PROVIDER_NAME_SYS_PROPERTY_NAME = "provider-name-sys-property-name"; private static final String PARAM_INVERT_POSITION_OF_SALT_IN_MESSAGE_BEFORE_DIGESTING_ENV_NAME = "invert-position-of-salt-in-message-before-digesting-env-name"; private static final String PARAM_INVERT_POSITION_OF_SALT_IN_MESSAGE_BEFORE_DIGESTING_SYS_PROPERTY_NAME = "invert-position-of-salt-in-message-before-digesting-sys-property-name"; private static final String PARAM_INVERT_POSITION_OF_PLAIN_SALT_IN_ENCRYPTION_RESULTS_ENV_NAME = "invert-position-of-plain-salt-in-encryption-results-env-name"; private static final String PARAM_INVERT_POSITION_OF_PLAIN_SALT_IN_ENCRYPTION_RESULTS_SYS_PROPERTY_NAME = "invert-position-of-plain-salt-in-encryption-results-sys-property-name"; private static final String PARAM_USE_LENIENT_SALT_SIZE_CHECK_ENV_NAME = "use-lenient-salt-size-check-env-name"; private static final String PARAM_USE_LENIENT_SALT_SIZE_CHECK_SYS_PROPERTY_NAME = "use-lenient-salt-size-check-sys-property-name"; private static final String PARAM_POOL_SIZE_ENV_NAME = "pool-size-env-name"; private static final String PARAM_POOL_SIZE_SYS_PROPERTY_NAME = "pool-size-sys-property-name"; private static final Set<String> PARAMS_ENVIRONMENT = new HashSet<String>( Arrays.asList(new String[] { PARAM_ALGORITHM_ENV_NAME, PARAM_ALGORITHM_SYS_PROPERTY_NAME, PARAM_ITERATIONS_ENV_NAME, PARAM_ITERATIONS_SYS_PROPERTY_NAME, PARAM_SALT_SIZE_BYTES_ENV_NAME, PARAM_SALT_SIZE_BYTES_SYS_PROPERTY_NAME, PARAM_SALT_GENERATOR_CLASS_NAME_ENV_NAME, PARAM_SALT_GENERATOR_CLASS_NAME_SYS_PROPERTY_NAME, PARAM_PROVIDER_CLASS_NAME_ENV_NAME, PARAM_PROVIDER_CLASS_NAME_SYS_PROPERTY_NAME, PARAM_PROVIDER_NAME_ENV_NAME, PARAM_PROVIDER_NAME_SYS_PROPERTY_NAME, PARAM_INVERT_POSITION_OF_SALT_IN_MESSAGE_BEFORE_DIGESTING_ENV_NAME, PARAM_INVERT_POSITION_OF_SALT_IN_MESSAGE_BEFORE_DIGESTING_SYS_PROPERTY_NAME, PARAM_INVERT_POSITION_OF_PLAIN_SALT_IN_ENCRYPTION_RESULTS_ENV_NAME, PARAM_INVERT_POSITION_OF_PLAIN_SALT_IN_ENCRYPTION_RESULTS_SYS_PROPERTY_NAME, PARAM_USE_LENIENT_SALT_SIZE_CHECK_ENV_NAME, PARAM_USE_LENIENT_SALT_SIZE_CHECK_SYS_PROPERTY_NAME, PARAM_POOL_SIZE_ENV_NAME, PARAM_POOL_SIZE_SYS_PROPERTY_NAME })); // string environment private static final String PARAM_STRING_OUTPUT_TYPE_ENV_NAME = "string-output-type-env-name"; private static final String PARAM_STRING_OUTPUT_TYPE_SYS_PROPERTY_NAME = "string-output-type-sys-property-name"; private static final String PARAM_UNICODE_NORMALIZATION_IGNORED_ENV_NAME = "unicode-normalization-ignored-env-name"; private static final String PARAM_UNICODE_NORMALIZATION_IGNORED_SYS_PROPERTY_NAME = "unicode-normalization-ignored-sys-property-name"; private static final String PARAM_PREFIX_ENV_NAME = "prefix-env-name"; private static final String PARAM_PREFIX_SYS_PROPERTY_NAME = "prefix-sys-property-name"; private static final String PARAM_SUFFIX_ENV_NAME = "suffix-env-name"; private static final String PARAM_SUFFIX_SYS_PROPERTY_NAME = "suffix-sys-property-name"; private static final Set<String> PARAMS_STRING_ENVIRONMENT = new HashSet<String>( Arrays.asList(new String[] { PARAM_STRING_OUTPUT_TYPE_ENV_NAME, PARAM_STRING_OUTPUT_TYPE_SYS_PROPERTY_NAME, PARAM_UNICODE_NORMALIZATION_IGNORED_ENV_NAME, PARAM_UNICODE_NORMALIZATION_IGNORED_SYS_PROPERTY_NAME, PARAM_PREFIX_ENV_NAME, PARAM_PREFIX_SYS_PROPERTY_NAME, PARAM_SUFFIX_ENV_NAME, PARAM_SUFFIX_SYS_PROPERTY_NAME })); DigesterConfigBeanDefinitionParser() { super(); } @Override protected Class<?> getBeanClass(final Element element) { return computeConfigClass(element); } @Override protected void doParse(final Element element, final BeanDefinitionBuilder builder) { processStringAttribute(element, builder, PARAM_ALGORITHM, "algorithm"); processIntegerAttribute(element, builder, PARAM_ITERATIONS, "iterations"); processIntegerAttribute(element, builder, PARAM_SALT_SIZE_BYTES, "saltSizeBytes"); processBeanAttribute(element, builder, PARAM_SALT_GENERATOR_BEAN, "saltGenerator"); processStringAttribute(element, builder, PARAM_SALT_GENERATOR_CLASS_NAME, "saltGeneratorClassName"); processBeanAttribute(element, builder, PARAM_PROVIDER_BEAN, "provider"); processStringAttribute(element, builder, PARAM_PROVIDER_CLASS_NAME, "providerClassName"); processStringAttribute(element, builder, PARAM_PROVIDER_NAME, "providerName"); processBooleanAttribute(element, builder, PARAM_INVERT_POSITION_OF_SALT_IN_MESSAGE_BEFORE_DIGESTING, "invertPositionOfSaltInMessageBeforeDigesting"); processBooleanAttribute(element, builder, PARAM_INVERT_POSITION_OF_PLAIN_SALT_IN_ENCRYPTION_RESULTS, "invertPositionOfPlainSaltInEncryptionResults"); processBooleanAttribute(element, builder, PARAM_USE_LENIENT_SALT_SIZE_CHECK, "useLenientSaltSizeCheck"); processIntegerAttribute(element, builder, PARAM_POOL_SIZE, "poolSize"); processStringAttribute(element, builder, PARAM_STRING_OUTPUT_TYPE, "stringOutputType"); processStringAttribute(element, builder, PARAM_UNICODE_NORMALIZATION_IGNORED, "unicodeNormalizationIgnored"); processStringAttribute(element, builder, PARAM_PREFIX, "prefix"); processStringAttribute(element, builder, PARAM_SUFFIX, "suffix"); processStringAttribute(element, builder, PARAM_ALGORITHM_ENV_NAME, "algorithmEnvName"); processStringAttribute(element, builder, PARAM_ITERATIONS_ENV_NAME, "iterationsEnvName"); processStringAttribute(element, builder, PARAM_SALT_SIZE_BYTES_ENV_NAME, "saltSizeBytesEnvName"); processStringAttribute(element, builder, PARAM_SALT_GENERATOR_CLASS_NAME_ENV_NAME, "saltGeneratorClassNameEnvName"); processStringAttribute(element, builder, PARAM_PROVIDER_CLASS_NAME_ENV_NAME, "providerClassNameEnvName"); processStringAttribute(element, builder, PARAM_PROVIDER_NAME_ENV_NAME, "providerNameEnvName"); processStringAttribute(element, builder, PARAM_INVERT_POSITION_OF_SALT_IN_MESSAGE_BEFORE_DIGESTING_ENV_NAME, "invertPositionOfSaltInMessageBeforeDigestingEnvName"); processStringAttribute(element, builder, PARAM_INVERT_POSITION_OF_PLAIN_SALT_IN_ENCRYPTION_RESULTS_ENV_NAME, "invertPositionOfPlainSaltInEncryptionResultsEnvName"); processStringAttribute(element, builder, PARAM_USE_LENIENT_SALT_SIZE_CHECK_ENV_NAME, "useLenientSaltSizeCheckEnvName"); processStringAttribute(element, builder, PARAM_POOL_SIZE_ENV_NAME, "poolSizeEnvName"); processStringAttribute(element, builder, PARAM_ALGORITHM_SYS_PROPERTY_NAME, "algorithmSysPropertyName"); processStringAttribute(element, builder, PARAM_ITERATIONS_SYS_PROPERTY_NAME, "iterationsSysPropertyName"); processStringAttribute(element, builder, PARAM_SALT_SIZE_BYTES_SYS_PROPERTY_NAME, "saltSizeBytesSysPropertyName"); processStringAttribute(element, builder, PARAM_SALT_GENERATOR_CLASS_NAME_SYS_PROPERTY_NAME, "saltGeneratorClassNameSysPropertyName"); processStringAttribute(element, builder, PARAM_PROVIDER_CLASS_NAME_SYS_PROPERTY_NAME, "providerClassNameSysPropertyName"); processStringAttribute(element, builder, PARAM_PROVIDER_NAME_SYS_PROPERTY_NAME, "providerNameSysPropertyName"); processStringAttribute(element, builder, PARAM_INVERT_POSITION_OF_SALT_IN_MESSAGE_BEFORE_DIGESTING_SYS_PROPERTY_NAME, "invertPositionOfSaltInMessageBeforeDigestingSysPropertyName"); processStringAttribute(element, builder, PARAM_INVERT_POSITION_OF_PLAIN_SALT_IN_ENCRYPTION_RESULTS_SYS_PROPERTY_NAME, "invertPositionOfPlainSaltInEncryptionResultsSysPropertyName"); processStringAttribute(element, builder, PARAM_USE_LENIENT_SALT_SIZE_CHECK_SYS_PROPERTY_NAME, "useLenientSaltSizeCheckSysPropertyName"); processStringAttribute(element, builder, PARAM_POOL_SIZE_SYS_PROPERTY_NAME, "poolSizeSysPropertyName"); processStringAttribute(element, builder, PARAM_STRING_OUTPUT_TYPE_ENV_NAME, "stringOutputTypeEnvName"); processStringAttribute(element, builder, PARAM_STRING_OUTPUT_TYPE_SYS_PROPERTY_NAME, "stringOutputTypeSysPropertyName"); processStringAttribute(element, builder, PARAM_UNICODE_NORMALIZATION_IGNORED_ENV_NAME, "unicodeNormalizationIgnoredEnvName"); processStringAttribute(element, builder, PARAM_UNICODE_NORMALIZATION_IGNORED_SYS_PROPERTY_NAME, "unicodeNormalizationIgnoredSysPropertyName"); processStringAttribute(element, builder, PARAM_PREFIX_ENV_NAME, "prefixEnvName"); processStringAttribute(element, builder, PARAM_PREFIX_SYS_PROPERTY_NAME, "prefixSysPropertyName"); processStringAttribute(element, builder, PARAM_SUFFIX_ENV_NAME, "suffixEnvName"); processStringAttribute(element, builder, PARAM_SUFFIX_SYS_PROPERTY_NAME, "suffixSysPropertyName"); String scope = element.getAttribute(SCOPE_ATTRIBUTE); if (StringUtils.hasLength(scope)) { builder.setScope(scope); } } private static Class<?> computeConfigClass(final Element element) { boolean isSimpleConfig = false; boolean isStringConfig = false; boolean isEnvironmentConfig = false; boolean isStringEnvironmentConfig = false; final NamedNodeMap attributesMap = element.getAttributes(); final int attributesLen = attributesMap.getLength(); for (int i = 0; i < attributesLen; i++) { final Node attribute = attributesMap.item(i); final String attributeName = attribute.getNodeName(); if (!isSimpleConfig && PARAMS_SIMPLE.contains(attributeName)) { isSimpleConfig = true; } if (!isStringConfig && PARAMS_STRING.contains(attributeName)) { isStringConfig = true; } if (!isEnvironmentConfig && PARAMS_ENVIRONMENT.contains(attributeName)) { isEnvironmentConfig = true; } if (!isStringEnvironmentConfig && PARAMS_STRING_ENVIRONMENT.contains(attributeName)) { isStringEnvironmentConfig = true; } } if (isStringEnvironmentConfig || (isEnvironmentConfig && isStringConfig)) { return EnvironmentStringDigesterConfig.class; } if (isEnvironmentConfig) { return EnvironmentDigesterConfig.class; } if (isStringConfig) { return SimpleStringDigesterConfig.class; } return SimpleDigesterConfig.class; } }