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org.jasypt.spring31.xml.encryption.EncryptorConfigBeanDefinitionParser Maven / Gradle / Ivy
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Java library which enables encryption in java apps with minimum effort.
/*
* =============================================================================
*
* 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.encryption.pbe.config.EnvironmentPBEConfig;
import org.jasypt.encryption.pbe.config.EnvironmentStringPBEConfig;
import org.jasypt.encryption.pbe.config.SimplePBEConfig;
import org.jasypt.encryption.pbe.config.SimpleStringPBEConfig;
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 EncryptorConfigBeanDefinitionParser extends AbstractEncryptionBeanDefinitionParser {
private static final String SCOPE_ATTRIBUTE = "scope";
// simple
private static final String PARAM_ALGORITHM = "algorithm";
private static final String PARAM_KEY_OBTENTION_ITERATIONS = "key-obtention-iterations";
private static final String PARAM_PASSWORD = "password";
private static final String PARAM_POOL_SIZE = "pool-size";
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_SALT_GENERATOR_BEAN = "salt-generator-bean";
private static final String PARAM_SALT_GENERATOR_CLASS_NAME = "salt-generator-class-name";
private static final Set PARAMS_SIMPLE =
new HashSet(Arrays.asList(
new String[] {
PARAM_ALGORITHM,
PARAM_KEY_OBTENTION_ITERATIONS,
PARAM_PASSWORD,
PARAM_POOL_SIZE,
PARAM_PROVIDER_BEAN,
PARAM_PROVIDER_CLASS_NAME,
PARAM_PROVIDER_NAME,
PARAM_SALT_GENERATOR_BEAN,
PARAM_SALT_GENERATOR_CLASS_NAME
}));
// string
private static final String PARAM_STRING_OUTPUT_TYPE = "string-output-type";
private static final Set PARAMS_STRING =
new HashSet(Arrays.asList(
new String[] {
PARAM_STRING_OUTPUT_TYPE
}));
// 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_KEY_OBTENTION_ITERATIONS_ENV_NAME = "key-obtention-iterations-env-name";
private static final String PARAM_KEY_OBTENTION_ITERATIONS_SYS_PROPERTY_NAME = "key-obtention-iterations-sys-property-name";
private static final String PARAM_PASSWORD_ENV_NAME = "password-env-name";
private static final String PARAM_PASSWORD_SYS_PROPERTY_NAME = "password-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 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_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 Set PARAMS_ENVIRONMENT =
new HashSet(Arrays.asList(
new String[] {
PARAM_ALGORITHM_ENV_NAME,
PARAM_ALGORITHM_SYS_PROPERTY_NAME,
PARAM_KEY_OBTENTION_ITERATIONS_ENV_NAME,
PARAM_KEY_OBTENTION_ITERATIONS_SYS_PROPERTY_NAME,
PARAM_PASSWORD_ENV_NAME,
PARAM_PASSWORD_SYS_PROPERTY_NAME,
PARAM_POOL_SIZE_ENV_NAME,
PARAM_POOL_SIZE_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_SALT_GENERATOR_CLASS_NAME_ENV_NAME,
PARAM_SALT_GENERATOR_CLASS_NAME_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 Set PARAMS_STRING_ENVIRONMENT =
new HashSet(Arrays.asList(
new String[] {
PARAM_STRING_OUTPUT_TYPE_ENV_NAME,
PARAM_STRING_OUTPUT_TYPE_SYS_PROPERTY_NAME
}));
EncryptorConfigBeanDefinitionParser() {
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_KEY_OBTENTION_ITERATIONS, "keyObtentionIterations");
processStringAttribute(element, builder, PARAM_PASSWORD, "password");
processIntegerAttribute(element, builder, PARAM_POOL_SIZE, "poolSize");
processBeanAttribute(element, builder, PARAM_PROVIDER_BEAN, "provider");
processStringAttribute(element, builder, PARAM_PROVIDER_CLASS_NAME, "providerClassName");
processStringAttribute(element, builder, PARAM_PROVIDER_NAME, "providerName");
processBeanAttribute(element, builder, PARAM_SALT_GENERATOR_BEAN, "saltGenerator");
processStringAttribute(element, builder, PARAM_SALT_GENERATOR_CLASS_NAME, "saltGeneratorClassName");
processStringAttribute(element, builder, PARAM_STRING_OUTPUT_TYPE, "stringOutputType");
processStringAttribute(element, builder, PARAM_ALGORITHM_ENV_NAME, "algorithmEnvName");
processStringAttribute(element, builder, PARAM_KEY_OBTENTION_ITERATIONS_ENV_NAME, "keyObtentionIterationsEnvName");
processStringAttribute(element, builder, PARAM_PASSWORD_ENV_NAME, "passwordEnvName");
processStringAttribute(element, builder, PARAM_POOL_SIZE_ENV_NAME, "poolSizeEnvName");
processStringAttribute(element, builder, PARAM_PROVIDER_CLASS_NAME_ENV_NAME, "providerClassNameEnvName");
processStringAttribute(element, builder, PARAM_PROVIDER_NAME_ENV_NAME, "providerNameEnvName");
processStringAttribute(element, builder, PARAM_SALT_GENERATOR_CLASS_NAME_ENV_NAME, "saltGeneratorClassNameEnvName");
processStringAttribute(element, builder, PARAM_ALGORITHM_SYS_PROPERTY_NAME, "algorithmSysPropertyName");
processStringAttribute(element, builder, PARAM_KEY_OBTENTION_ITERATIONS_SYS_PROPERTY_NAME, "keyObtentionIterationsSysPropertyName");
processStringAttribute(element, builder, PARAM_PASSWORD_SYS_PROPERTY_NAME, "passwordSysPropertyName");
processStringAttribute(element, builder, PARAM_POOL_SIZE_SYS_PROPERTY_NAME, "poolSizeSysPropertyName");
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_SALT_GENERATOR_CLASS_NAME_SYS_PROPERTY_NAME, "saltGeneratorClassNameSysPropertyName");
processStringAttribute(element, builder, PARAM_STRING_OUTPUT_TYPE_ENV_NAME, "stringOutputTypeEnvName");
processStringAttribute(element, builder, PARAM_STRING_OUTPUT_TYPE_SYS_PROPERTY_NAME, "stringOutputTypeSysPropertyName");
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 EnvironmentStringPBEConfig.class;
}
if (isEnvironmentConfig) {
return EnvironmentPBEConfig.class;
}
if (isStringConfig) {
return SimpleStringPBEConfig.class;
}
return SimplePBEConfig.class;
}
}