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/*
 * =============================================================================
 * 
 *   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.digest.config;

import java.security.Provider;

import org.jasypt.commons.CommonUtils;
import org.jasypt.salt.SaltGenerator;

/**
 * 

* Implementation for {@link DigesterConfig} which can retrieve configuration * values from environment variables or system properties. *

*

* The name of the environment variable or system property (JVM property) to * query for each parameter can be set with its corresponding * setXEnvName or setXSysProperty method. *

*

* As this class extends {@link SimpleDigesterConfig}, parameter values * can be also set with the usual setX methods. *

*

* For any of the configuration parameters, if its value is not configured * in any way, a null value will be returned by the * corresponding getX method. *

* * @since 1.1 * * @author Daniel Fernández * */ public class EnvironmentDigesterConfig extends SimpleDigesterConfig { private String algorithmEnvName = null; private String iterationsEnvName = null; private String saltSizeBytesEnvName = null; private String saltGeneratorClassNameEnvName = null; private String providerNameEnvName = null; private String providerClassNameEnvName = null; private String invertPositionOfSaltInMessageBeforeDigestingEnvName = null; private String invertPositionOfPlainSaltInEncryptionResultsEnvName = null; private String useLenientSaltSizeCheckEnvName = null; private String poolSizeEnvName = null; private String algorithmSysPropertyName = null; private String iterationsSysPropertyName = null; private String saltSizeBytesSysPropertyName = null; private String saltGeneratorClassNameSysPropertyName = null; private String providerNameSysPropertyName = null; private String providerClassNameSysPropertyName = null; private String invertPositionOfSaltInMessageBeforeDigestingSysPropertyName = null; private String invertPositionOfPlainSaltInEncryptionResultsSysPropertyName = null; private String useLenientSaltSizeCheckSysPropertyName = null; private String poolSizeSysPropertyName = null; /** *

* Creates a new EnvironmentDigesterConfig instance. *

*/ public EnvironmentDigesterConfig() { super(); } /** * Retrieve the name of the environment variable which value has been * loaded as the algorithm. * * @return the name of the variable */ public String getAlgorithmEnvName() { return this.algorithmEnvName; } /** * Set the config object to use the specified environment variable to * load the value for the algorithm. * * @param algorithmEnvName the name of the environment variable */ public void setAlgorithmEnvName(final String algorithmEnvName) { this.algorithmEnvName = algorithmEnvName; if (algorithmEnvName == null) { super.setAlgorithm(null); } else { this.algorithmSysPropertyName = null; super.setAlgorithm(System.getenv(algorithmEnvName)); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the algorithm. * * @return the name of the property */ public String getAlgorithmSysPropertyName() { return this.algorithmSysPropertyName; } /** * Set the config object to use the specified JVM system property to * load the value for the algorithm. * * @param algorithmSysPropertyName the name of the property */ public void setAlgorithmSysPropertyName(final String algorithmSysPropertyName) { this.algorithmSysPropertyName = algorithmSysPropertyName; if (algorithmSysPropertyName == null) { super.setAlgorithm(null); } else { this.algorithmEnvName = null; super.setAlgorithm(System.getProperty(algorithmSysPropertyName)); } } /** * Retrieve the name of the environment variable which value has been * loaded as the iteration count. * * @return the name of the variable */ public String getIterationsEnvName() { return this.iterationsEnvName; } /** * Set the config object to use the specified environment variable to * load the value for the iteration count. * * @param iterationsEnvName the name of the environment variable */ public void setIterationsEnvName(String iterationsEnvName) { this.iterationsEnvName = iterationsEnvName; if (iterationsEnvName == null) { super.setIterations((String)null); } else { this.iterationsSysPropertyName = null; super.setIterations(System.getenv(iterationsEnvName)); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the iteration count. * * @return the name of the property */ public String getIterationsSysPropertyName() { return this.iterationsSysPropertyName; } /** * Set the config object to use the specified JVM system property to * load the value for the iteration count. * * @param iterationsSysPropertyName the name of the property */ public void setIterationsSysPropertyName(final String iterationsSysPropertyName) { this.iterationsSysPropertyName = iterationsSysPropertyName; if (iterationsSysPropertyName == null) { super.setIterations((String)null); } else { this.iterationsEnvName = null; super.setIterations(System.getProperty(iterationsSysPropertyName)); } } /** * Retrieve the name of the environment variable which value has been * loaded as the salt size in bytes. * * @return the name of the variable */ public String getSaltSizeBytesEnvName() { return this.saltSizeBytesEnvName; } /** * Set the config object to use the specified environment variable to * load the value for the salt size in bytes. * * @param saltSizeBytesEnvName the name of the environment variable */ public void setSaltSizeBytesEnvName(final String saltSizeBytesEnvName) { this.saltSizeBytesEnvName = saltSizeBytesEnvName; if (saltSizeBytesEnvName == null) { super.setSaltSizeBytes((String)null); } else { this.saltSizeBytesSysPropertyName = null; super.setSaltSizeBytes(System.getenv(saltSizeBytesEnvName)); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the salt size in bytes. * * @return the name of the property */ public String getSaltSizeBytesSysPropertyName() { return this.saltSizeBytesSysPropertyName; } /** * Set the config object to use the specified JVM system property to * load the value for the salt size in bytes. * * @param saltSizeBytesSysPropertyName the name of the property */ public void setSaltSizeBytesSysPropertyName(final String saltSizeBytesSysPropertyName) { this.saltSizeBytesSysPropertyName = saltSizeBytesSysPropertyName; if (saltSizeBytesSysPropertyName == null) { super.setSaltSizeBytes((Integer)null); } else { this.saltSizeBytesEnvName = null; super.setSaltSizeBytes( System.getProperty(saltSizeBytesSysPropertyName)); } } /** * Retrieve the name of the environment variable which value has been * loaded as the salt generator class name. * * @since 1.3 * * @return the name of the variable */ public String getSaltGeneratorClassNameEnvName() { return this.saltGeneratorClassNameEnvName; } /** *

* Set the config object to use the specified environment variable to * load the value for the salt generator class name. *

*

* The salt generator class name which is set here must have a no-argument * constructor, so that it can be instantiated and passed to the digester. *

* * @since 1.3 * * @param saltGeneratorClassNameEnvName the name of the environment variable */ public void setSaltGeneratorClassNameEnvName(final String saltGeneratorClassNameEnvName) { this.saltGeneratorClassNameEnvName = saltGeneratorClassNameEnvName; if (saltGeneratorClassNameEnvName == null) { super.setSaltGenerator(null); } else { this.saltGeneratorClassNameSysPropertyName = null; final String saltGeneratorClassName = System.getenv(saltGeneratorClassNameEnvName); super.setSaltGeneratorClassName(saltGeneratorClassName); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the salt generator class name. * * @since 1.3 * * @return the name of the property */ public String getSaltGeneratorClassNameSysPropertyName() { return this.saltGeneratorClassNameSysPropertyName; } /** *

* Set the config object to use the specified JVM system property to * load the value for the salt generator class name. *

*

* The salt generator class name which is set here must have a no-argument * constructor, so that it can be instantiated and passed to the digester. *

* * @since 1.3 * * @param saltGeneratorClassNameSysPropertyName the name of the property */ public void setSaltGeneratorClassNameSysPropertyName(final String saltGeneratorClassNameSysPropertyName) { this.saltGeneratorClassNameSysPropertyName = saltGeneratorClassNameSysPropertyName; if (saltGeneratorClassNameSysPropertyName == null) { super.setSaltGenerator(null); } else { this.saltGeneratorClassNameEnvName = null; final String saltGeneratorClassName = System.getProperty(saltGeneratorClassNameSysPropertyName); super.setSaltGeneratorClassName(saltGeneratorClassName); } } /** * Retrieve the name of the environment variable which value has been * loaded as the provider name. * * @since 1.3 * * @return the name of the variable */ public String getProviderNameEnvName() { return this.providerNameEnvName; } /** *

* Set the config object to use the specified environment variable to * load the value for the provider name. *

* * @since 1.3 * * @param providerNameEnvName the name of the environment variable */ public void setProviderNameEnvName(final String providerNameEnvName) { this.providerNameEnvName = providerNameEnvName; if (providerNameEnvName == null) { super.setProviderName(null); } else { this.providerNameSysPropertyName = null; super.setProviderName(System.getenv(providerNameEnvName)); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the provider name. * * @since 1.3 * * @return the name of the property */ public String getProviderNameSysPropertyName() { return this.providerNameSysPropertyName; } /** * Set the config object to use the specified JVM system property to * load the value for the provider name. * * @since 1.3 * * @param providerNameSysPropertyName the name of the property */ public void setProviderNameSysPropertyName(final String providerNameSysPropertyName) { this.providerNameSysPropertyName = providerNameSysPropertyName; if (providerNameSysPropertyName == null) { super.setProviderName(null); } else { this.providerNameEnvName = null; super.setProviderName(System.getProperty(providerNameSysPropertyName)); } } /** * Retrieve the name of the environment variable which value has been * loaded as the provider class name. * * @since 1.3 * * @return the name of the variable */ public String getProviderClassNameEnvName() { return this.providerClassNameEnvName; } /** *

* Set the config object to use the specified environment variable to * load the value for the provider class name. *

*

* The provider class name which is set here must have a no-argument * constructor, so that it can be instantiated and passed to the digester. *

* * @since 1.3 * * @param providerClassNameEnvName the name of the environment variable */ public void setProviderClassNameEnvName(final String providerClassNameEnvName) { this.providerClassNameEnvName = providerClassNameEnvName; if (providerClassNameEnvName == null) { super.setProvider(null); } else { this.providerClassNameSysPropertyName = null; final String providerClassName = System.getenv(providerClassNameEnvName); super.setProviderClassName(providerClassName); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the provider class name. * * @since 1.3 * * @return the name of the property */ public String getProviderClassNameSysPropertyName() { return this.providerClassNameSysPropertyName; } /** *

* Set the config object to use the specified JVM system property to * load the value for the provider class name. *

*

* The provider class name which is set here must have a no-argument * constructor, so that it can be instantiated and passed to the digester. *

* * @since 1.3 * * @param providerClassNameSysPropertyName the name of the property */ public void setProviderClassNameSysPropertyName(final String providerClassNameSysPropertyName) { this.providerClassNameSysPropertyName = providerClassNameSysPropertyName; if (providerClassNameSysPropertyName == null) { super.setProvider(null); } else { this.providerClassNameEnvName = null; final String providerClassName = System.getProperty(providerClassNameSysPropertyName); super.setProviderClassName(providerClassName); } } /** * Retrieve the name of the environment variable which value has been * loaded as the value for the invertPositionOfSaltInMessageBeforeDigesting * property. * * @since 1.7 * * @return the name of the variable */ public String getInvertPositionOfSaltInMessageBeforeDigestingEnvName() { return this.invertPositionOfSaltInMessageBeforeDigestingEnvName; } /** *

* Set the config object to use the specified environment variable to * load the value for the invertPositionOfSaltInMessageBeforeDigesting * property. *

* * @since 1.7 * * @param invertPositionOfSaltInMessageBeforeDigestingEnvName the name of the environment variable */ public void setInvertPositionOfSaltInMessageBeforeDigestingEnvName(final String invertPositionOfSaltInMessageBeforeDigestingEnvName) { this.invertPositionOfSaltInMessageBeforeDigestingEnvName = invertPositionOfSaltInMessageBeforeDigestingEnvName; if (invertPositionOfSaltInMessageBeforeDigestingEnvName == null) { super.setInvertPositionOfSaltInMessageBeforeDigesting(null); } else { this.invertPositionOfSaltInMessageBeforeDigestingSysPropertyName = null; super.setInvertPositionOfSaltInMessageBeforeDigesting( CommonUtils.getStandardBooleanValue( System.getenv(invertPositionOfSaltInMessageBeforeDigestingEnvName))); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the value for the invertPositionOfSaltInMessageBeforeDigesting * property. * * @since 1.7 * * @return the name of the property */ public String getInvertPositionOfSaltInMessageBeforeDigestingSysPropertyName() { return this.invertPositionOfSaltInMessageBeforeDigestingSysPropertyName; } /** *

* Set the config object to use the specified JVM system property to * load the value for the invertPositionOfSaltInMessageBeforeDigesting * property. *

* * @since 1.7 * * @param invertPositionOfSaltInMessageBeforeDigestingSysPropertyName the name of the property */ public void setInvertPositionOfSaltInMessageBeforeDigestingSysPropertyName(final String invertPositionOfSaltInMessageBeforeDigestingSysPropertyName) { this.invertPositionOfSaltInMessageBeforeDigestingSysPropertyName = invertPositionOfSaltInMessageBeforeDigestingSysPropertyName; if (invertPositionOfSaltInMessageBeforeDigestingSysPropertyName == null) { super.setInvertPositionOfSaltInMessageBeforeDigesting(null); } else { this.invertPositionOfSaltInMessageBeforeDigestingEnvName = null; super.setInvertPositionOfSaltInMessageBeforeDigesting( CommonUtils.getStandardBooleanValue( System.getProperty(invertPositionOfSaltInMessageBeforeDigestingSysPropertyName))); } } /** * Retrieve the name of the environment variable which value has been * loaded as the value for the invertPositionOfPlainSaltInEncryptionResults * property. * * @since 1.7 * * @return the name of the variable */ public String getInvertPositionOfPlainSaltInEncryptionResultsEnvName() { return this.invertPositionOfPlainSaltInEncryptionResultsEnvName; } /** *

* Set the config object to use the specified environment variable to * load the value for the invertPositionOfPlainSaltInEncryptionResults * property. *

* * @since 1.7 * * @param invertPositionOfPlainSaltInEncryptionResultsEnvName the name of the environment variable */ public void setInvertPositionOfPlainSaltInEncryptionResultsEnvName(final String invertPositionOfPlainSaltInEncryptionResultsEnvName) { this.invertPositionOfPlainSaltInEncryptionResultsEnvName = invertPositionOfPlainSaltInEncryptionResultsEnvName; if (invertPositionOfPlainSaltInEncryptionResultsEnvName == null) { super.setInvertPositionOfPlainSaltInEncryptionResults(null); } else { this.invertPositionOfPlainSaltInEncryptionResultsSysPropertyName = null; super.setInvertPositionOfPlainSaltInEncryptionResults( CommonUtils.getStandardBooleanValue( System.getenv(invertPositionOfPlainSaltInEncryptionResultsEnvName))); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the value for the invertPositionOfPlainSaltInEncryptionResults * property. * * @since 1.7 * * @return the name of the property */ public String getInvertPositionOfPlainSaltInEncryptionResultsSysPropertyName() { return this.invertPositionOfPlainSaltInEncryptionResultsSysPropertyName; } /** *

* Set the config object to use the specified JVM system property to * load the value for the invertPositionOfPlainSaltInEncryptionResults * property. *

* * @since 1.7 * * @param invertPositionOfPlainSaltInEncryptionResultsSysPropertyName the name of the property */ public void setInvertPositionOfPlainSaltInEncryptionResultsSysPropertyName(final String invertPositionOfPlainSaltInEncryptionResultsSysPropertyName) { this.invertPositionOfPlainSaltInEncryptionResultsSysPropertyName = invertPositionOfPlainSaltInEncryptionResultsSysPropertyName; if (invertPositionOfPlainSaltInEncryptionResultsSysPropertyName == null) { super.setInvertPositionOfPlainSaltInEncryptionResults(null); } else { this.invertPositionOfPlainSaltInEncryptionResultsEnvName = null; super.setInvertPositionOfPlainSaltInEncryptionResults( CommonUtils.getStandardBooleanValue( System.getProperty(invertPositionOfPlainSaltInEncryptionResultsSysPropertyName))); } } /** * Retrieve the name of the environment variable which value has been * loaded as the value for the useLenientSaltSizeCheck * property. * * @since 1.7 * * @return the name of the variable */ public String getUseLenientSaltSizeCheckEnvName() { return this.useLenientSaltSizeCheckEnvName; } /** *

* Set the config object to use the specified environment variable to * load the value for the useLenientSaltSizeCheck * property. *

* * @since 1.7 * * @param useLenientSaltSizeCheckEnvName the name of the environment variable */ public void setUseLenientSaltSizeCheckEnvName(final String useLenientSaltSizeCheckEnvName) { this.useLenientSaltSizeCheckEnvName = useLenientSaltSizeCheckEnvName; if (useLenientSaltSizeCheckEnvName == null) { super.setUseLenientSaltSizeCheck(null); } else { this.useLenientSaltSizeCheckSysPropertyName = null; super.setUseLenientSaltSizeCheck( CommonUtils.getStandardBooleanValue( System.getenv(useLenientSaltSizeCheckEnvName))); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the value for the useLenientSaltSizeCheck * property. * * @since 1.7 * * @return the name of the property */ public String getUseLenientSaltSizeCheckSysPropertyName() { return this.useLenientSaltSizeCheckSysPropertyName; } /** *

* Set the config object to use the specified JVM system property to * load the value for the useLenientSaltSizeCheck * property. *

* * @since 1.7 * * @param useLenientSaltSizeCheckSysPropertyName the name of the property */ public void setUseLenientSaltSizeCheckSysPropertyName(final String useLenientSaltSizeCheckSysPropertyName) { this.useLenientSaltSizeCheckSysPropertyName = useLenientSaltSizeCheckSysPropertyName; if (useLenientSaltSizeCheckSysPropertyName == null) { super.setUseLenientSaltSizeCheck(null); } else { this.useLenientSaltSizeCheckEnvName = null; super.setUseLenientSaltSizeCheck( CommonUtils.getStandardBooleanValue( System.getProperty(useLenientSaltSizeCheckSysPropertyName))); } } /** * Retrieve the name of the environment variable which value has been * loaded as the value for the poolSize * property. * * @since 1.7 * * @return the name of the variable */ public String getPoolSizeEnvName() { return this.poolSizeEnvName; } /** *

* Set the config object to use the specified environment variable to * load the value for the poolSize * property. *

* * @since 1.7 * * @param poolSizeEnvName the name of the environment variable */ public void setPoolSizeEnvName(final String poolSizeEnvName) { this.poolSizeEnvName = poolSizeEnvName; if (poolSizeEnvName == null) { super.setPoolSize((String)null); } else { this.poolSizeSysPropertyName = null; super.setPoolSize(System.getenv(poolSizeEnvName)); } } /** * Retrieve the name of the JVM system property which value has been * loaded as the value for the poolSize * property. * * @since 1.7 * * @return the name of the property */ public String getPoolSizeSysPropertyName() { return this.poolSizeSysPropertyName; } /** *

* Set the config object to use the specified JVM system property to * load the value for the useLenientSaltSizeCheck * property. *

* * @since 1.7 * * @param poolSizeSysPropertyName the name of the property */ public void setPoolSizeSysPropertyName(final String poolSizeSysPropertyName) { this.poolSizeSysPropertyName = poolSizeSysPropertyName; if (poolSizeSysPropertyName == null) { super.setPoolSize((String)null); } else { this.poolSizeEnvName = null; super.setPoolSize(System.getProperty(poolSizeSysPropertyName)); } } public void setAlgorithm(final String algorithm) { this.algorithmEnvName = null; this.algorithmSysPropertyName = null; super.setAlgorithm(algorithm); } public void setIterations(final Integer iterations) { this.iterationsEnvName = null; this.iterationsSysPropertyName = null; super.setIterations(iterations); } public void setIterations(final String iterations) { this.iterationsEnvName = null; this.iterationsSysPropertyName = null; super.setIterations(iterations); } public void setSaltSizeBytes(final Integer saltSizeBytes) { this.saltSizeBytesEnvName = null; this.saltSizeBytesSysPropertyName = null; super.setSaltSizeBytes(saltSizeBytes); } public void setSaltSizeBytes(final String saltSizeBytes) { this.saltSizeBytesEnvName = null; this.saltSizeBytesSysPropertyName = null; super.setSaltSizeBytes(saltSizeBytes); } public void setSaltGenerator(final SaltGenerator saltGenerator) { this.saltGeneratorClassNameEnvName = null; this.saltGeneratorClassNameSysPropertyName = null; super.setSaltGenerator(saltGenerator); } public void setSaltGeneratorClassName(final String saltGeneratorClassName) { this.saltGeneratorClassNameEnvName = null; this.saltGeneratorClassNameSysPropertyName = null; super.setSaltGeneratorClassName(saltGeneratorClassName); } public void setProviderName(final String providerName) { this.providerNameEnvName = null; this.providerNameSysPropertyName = null; super.setProviderName(providerName); } public void setProvider(final Provider provider) { this.providerClassNameEnvName = null; this.providerClassNameSysPropertyName = null; super.setProvider(provider); } public void setProviderClassName(final String providerClassName) { this.providerClassNameEnvName = null; this.providerClassNameSysPropertyName = null; super.setProviderClassName(providerClassName); } public void setInvertPositionOfPlainSaltInEncryptionResults(final Boolean invertPositionOfPlainSaltInEncryptionResults) { this.invertPositionOfPlainSaltInEncryptionResultsEnvName = null; this.invertPositionOfPlainSaltInEncryptionResultsSysPropertyName = null; super.setInvertPositionOfPlainSaltInEncryptionResults(invertPositionOfPlainSaltInEncryptionResults); } public void setInvertPositionOfSaltInMessageBeforeDigesting(final Boolean invertPositionOfSaltInMessageBeforeDigesting) { this.invertPositionOfSaltInMessageBeforeDigestingEnvName = null; this.invertPositionOfSaltInMessageBeforeDigestingSysPropertyName = null; super.setInvertPositionOfSaltInMessageBeforeDigesting(invertPositionOfSaltInMessageBeforeDigesting); } public void setUseLenientSaltSizeCheck(final Boolean useLenientSaltSizeCheck) { this.useLenientSaltSizeCheckEnvName = null; this.useLenientSaltSizeCheckSysPropertyName = null; super.setUseLenientSaltSizeCheck(useLenientSaltSizeCheck); } public void setPoolSize(final Integer poolSize) { this.poolSizeEnvName = null; this.poolSizeSysPropertyName = null; super.setPoolSize(poolSize); } public void setPoolSize(final String poolSize) { this.poolSizeEnvName = null; this.poolSizeSysPropertyName = null; super.setPoolSize(poolSize); } }




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