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Entando Engine: an agile, modern and user-centric open source Portal platform.
/*
* Copyright 2015-Present Entando Inc. (http://www.entando.com) All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.agiletec.aps.system.services.baseconfig;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.Properties;
import javax.servlet.ServletContext;
import com.agiletec.aps.system.SystemConstants;
import com.agiletec.aps.system.common.AbstractService;
import com.agiletec.aps.system.exception.ApsSystemException;
import com.agiletec.aps.system.services.baseconfig.cache.IConfigManagerCacheWrapper;
import de.mkammerer.argon2.Argon2Factory;
import java.util.HashMap;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.context.ServletContextAware;
/**
* Servizio di configurazione. Carica da db e rende disponibile la
* configurazione. La configurazione è costituita da voci (items), individuate
* da un nome, e da parametri, anch'essi individuati da un nome. I parametri
* sono stringhe semplici, le voci possono essere testi XML complessi. In
* particolare, una delle voci contiene la configurazione dei parametri in forma
* di testo XML. L'insieme dei parametri comprende anche le proprietà di
* inizializzazione, passate alla factory del contesto di sistema; i valori di
* queste possono essere sovrascritti dai valori di eventuali parametri omonimi.
*
* @author M.Diana - E.Santoboni
*/
public class BaseConfigManager extends AbstractService implements ConfigInterface, ServletContextAware {
private static final Logger logger = LoggerFactory.getLogger(BaseConfigManager.class);
private Map systemParams;
private String securityConfigPath = null;
private IConfigManagerCacheWrapper cacheWrapper;
private boolean legacyPasswordsUpdated = false;
private IConfigItemDAO configDao;
private ServletContext servletContext;
@Override
public void init() throws Exception {
String version = this.getSystemParams().get(SystemConstants.INIT_PROP_CONFIG_VERSION);
this.getCacheWrapper().initCache(this.getConfigDAO(), version);
legacyPasswordsUpdated = (this.getParam(LEGACY_PASSWORDS_UPDATED) != null
&& this.getParam(LEGACY_PASSWORDS_UPDATED).equalsIgnoreCase("true"));
Properties props = this.extractSecurityConfiguration();
this.checkSecurityConfiguration(props);
logger.debug("{} ready. Initialized", this.getClass().getName());
}
/**
* Restituisce il valore di una voce della tabella di sistema. Il valore può
* essere un XML complesso.
*
* @param name Il nome della voce di configurazione.
* @return Il valore della voce di configurazione.
*/
@Override
public String getConfigItem(String name) {
return this.getCacheWrapper().getConfigItem(name);
}
/**
* Aggiorna un'item di configurazione nella mappa della configurazione degli
* item e nel db.
*
* @param itemName Il nome dell'item da aggiornare.
* @param config La nuova configurazione.
* @throws ApsSystemException
*/
@Override
public void updateConfigItem(String itemName, String config) throws ApsSystemException {
String version = this.getSystemParams().get(SystemConstants.INIT_PROP_CONFIG_VERSION);
try {
this.getConfigDAO().updateConfigItem(itemName, config, version);
this.refresh();
} catch (Throwable t) {
logger.error("Error while updating item {}", itemName, t);
throw new ApsSystemException("Error while updating item", t);
}
}
/**
* Restituisce il valore di un parametro di configurazione. I parametri sono
* desunti dalla voce "params" della tabella di sistema.
*
* @param name Il nome del parametro di configurazione.
* @return Il valore del parametro di configurazione.
*/
@Override
public String getParam(String name) {
String param = this.getSystemParams().get(name);
if (null != param) {
return param;
} else {
return this.getCacheWrapper().getParam(name);
}
}
protected Properties extractSecurityConfiguration() throws IOException {
Properties props = new Properties();
try (InputStream is = this.getServletContext().getResourceAsStream(this.getSecurityConfigPath())) {
if (null == is) {
throw new RuntimeException("Null security configuration inside " + this.getSecurityConfigPath());
}
props.load(is);
}
return props;
}
protected void checkSecurityConfiguration(Properties mainProps) {
String algoType = null;
try {
algoType = Argon2Factory.Argon2Types.valueOf(mainProps.getProperty(ALGO_TYPE_PARAM_NAME)).name();
} catch (Exception e) {
String defaultAlgoType = Argon2Factory.Argon2Types.ARGON2i.name();
logger.error("Invalid value for Argon2 hashType '{}'; the default value is '{}'", algoType, defaultAlgoType, e);
throw new RuntimeException("Invalid value for Argon2 hashType '" + algoType + "'; the default value is '" + defaultAlgoType + "'", e);
}
System.getProperties().setProperty(ALGO_TYPE_PARAM_NAME, algoType);
Integer hashLength = Integer.valueOf(mainProps.getProperty(ALGO_HASH_LENGTH_PARAM_NAME));
if (hashLength < 4) {
throw new RuntimeException("Hash length must be greater than 4 - value '" + hashLength + "'");
}
System.getProperties().setProperty(ALGO_HASH_LENGTH_PARAM_NAME, String.valueOf(hashLength));
Integer saltLength = Integer.valueOf(mainProps.getProperty(ALGO_SALT_LENGTH_PARAM_NAME));
if (saltLength < 8) {
throw new RuntimeException("Salt length must be greater than 8 - value '" + saltLength + "'");
}
System.getProperties().setProperty(ALGO_SALT_LENGTH_PARAM_NAME, String.valueOf(saltLength));
Integer iterations = Integer.valueOf(mainProps.getProperty(ALGO_ITERATIONS_PARAM_NAME));
if (iterations < 1) {
throw new RuntimeException("Iterations number must be greater than 1 - value '" + iterations + "'");
}
System.getProperties().setProperty(ALGO_ITERATIONS_PARAM_NAME, String.valueOf(iterations));
Integer parallelism = Integer.valueOf(mainProps.getProperty(ALGO_PARALLELISM_PARAM_NAME));
if (parallelism < 1) {
throw new RuntimeException("Parallelism number must be greater than 1 - value '" + parallelism + "'");
}
System.getProperties().setProperty(ALGO_PARALLELISM_PARAM_NAME, String.valueOf(parallelism));
Integer memory = Integer.valueOf(mainProps.getProperty(ALGO_MEMORY_PARAM_NAME));
if (memory < (8 * parallelism)) {
throw new RuntimeException("Memory size must be greater than 8xparallelism - value '" + memory + "'");
}
System.getProperties().setProperty(ALGO_MEMORY_PARAM_NAME, String.valueOf(memory));
String defaultEncryptionKey = mainProps.getProperty(ALGO_DEFAULT_KEY);
if (StringUtils.isNotEmpty(defaultEncryptionKey)) {
System.getProperties().setProperty(ALGO_DEFAULT_KEY, defaultEncryptionKey);
}
}
@Override
public void updateParam(String name, String value) throws ApsSystemException {
if (StringUtils.isEmpty(name) || StringUtils.isEmpty(value)) {
return;
}
Map params = new HashMap<>();
params.put(name, value);
this.updateParams(params);
}
@Override
public void updateParams(Map params) throws ApsSystemException {
if (null == params) {
return;
}
try {
String xmlParams = this.getConfigItem(SystemConstants.CONFIG_ITEM_PARAMS);
String newXmlParams = SystemParamsUtils.getNewXmlParams(xmlParams, params, false);
this.updateConfigItem(SystemConstants.CONFIG_ITEM_PARAMS, newXmlParams);
} catch (Exception e) {
logger.error("Error while updating parameters {}", params, e);
throw new ApsSystemException("Error while updating parameters", e);
}
}
/**
* Restituisce il dao in uso al manager.
*
* @return Il dao in uso al manager.
*/
protected IConfigItemDAO getConfigDAO() {
return configDao;
}
/**
* Setta il dao in uso al manager.
*
* @param configDao Il dao in uso al manager.
*/
public void setConfigDAO(IConfigItemDAO configDao) {
this.configDao = configDao;
}
protected Map getSystemParams() {
return this.systemParams;
}
public void setSystemParams(Map systemParams) {
this.systemParams = systemParams;
}
protected String getSecurityConfigPath() {
return securityConfigPath;
}
public void setSecurityConfigPath(String securityConfigPath) {
this.securityConfigPath = securityConfigPath;
}
protected IConfigManagerCacheWrapper getCacheWrapper() {
return cacheWrapper;
}
public void setCacheWrapper(IConfigManagerCacheWrapper cacheWrapper) {
this.cacheWrapper = cacheWrapper;
}
@Override
public boolean areLegacyPasswordsUpdated() {
return legacyPasswordsUpdated;
}
public void setLegacyPasswordsUpdated(boolean updated) {
this.legacyPasswordsUpdated = updated;
}
protected ServletContext getServletContext() {
return servletContext;
}
@Override
public void setServletContext(ServletContext servletContext) {
this.servletContext = servletContext;
}
}
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