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/*
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*
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*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* file and include the License file at packager/legal/LICENSE.txt.
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* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
// Portions Copyright [2016-2021] [Payara Foundation]
package org.glassfish.jdbc.recovery;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.inject.Inject;
import jakarta.inject.Provider;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import jakarta.resource.ResourceException;
import jakarta.resource.spi.ManagedConnection;
import jakarta.resource.spi.ManagedConnectionFactory;
import jakarta.resource.spi.security.PasswordCredential;
import javax.security.auth.Subject;
import javax.transaction.xa.XAResource;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.jdbc.config.JdbcConnectionPool;
import org.glassfish.jdbc.config.JdbcResource;
import org.glassfish.jdbc.util.JdbcResourcesUtil;
import org.glassfish.jdbc.util.LoggerFactory;
import org.glassfish.resourcebase.resources.api.PoolInfo;
import org.glassfish.resourcebase.resources.api.ResourceInfo;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.config.types.Property;
import com.sun.appserv.connectors.internal.api.ConnectorRuntime;
import com.sun.appserv.connectors.internal.api.ConnectorsUtil;
import com.sun.enterprise.config.serverbeans.Application;
import com.sun.enterprise.config.serverbeans.Applications;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Module;
import com.sun.enterprise.config.serverbeans.Resource;
import com.sun.enterprise.config.serverbeans.Resources;
import com.sun.enterprise.connectors.util.ResourcesUtil;
import com.sun.enterprise.deployment.ResourcePrincipal;
import com.sun.enterprise.transaction.api.XAResourceWrapper;
import com.sun.enterprise.transaction.config.TransactionService;
import com.sun.enterprise.transaction.spi.RecoveryResourceHandler;
/**
* Recovery Handler for Jdbc Resources
*
* @author Jagadish Ramu
*/
@Service
public class JdbcRecoveryResourceHandler implements RecoveryResourceHandler {
@Inject
ServiceLocator habitat;
private TransactionService txService;
@Inject
private Domain domain;
@Inject
private Applications applications;
@Inject
private Provider connectorRuntimeProvider;
private ResourcesUtil resourcesUtil = null;
private static Logger _logger = LoggerFactory.getLogger(JdbcRecoveryResourceHandler.class);
private void loadAllJdbcResources() {
if(_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST, "loadAllJdbcResources start");
}
try {
Collection jdbcResources = getAllJdbcResources();
InitialContext ic = new InitialContext();
for (Resource resource : jdbcResources) {
JdbcResource jdbcResource = (JdbcResource) resource;
if(getResourcesUtil().isEnabled(jdbcResource)) {
try {
ic.lookup(jdbcResource.getJndiName());
} catch (Exception ex) {
_logger.log(Level.SEVERE, "error.loading.jdbc.resources.during.recovery",
jdbcResource.getJndiName());
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ex.toString(), ex);
}
}
}
}
} catch (NamingException ne) {
_logger.log(Level.SEVERE, "error.loading.jdbc.resources.during.recovery", ne.getMessage());
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ne.toString(), ne);
}
}
if(_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST, "loadAllJdbcResources end");
}
}
private Collection getAllJdbcResources() {
Collection allResources = new ArrayList();
Collection jdbcResources = domain.getResources().getResources(JdbcResource.class);
allResources.addAll(jdbcResources);
for(Application app : applications.getApplications()){
if(ResourcesUtil.createInstance().isEnabled(app)){
Resources appScopedResources = app.getResources();
if(appScopedResources != null && appScopedResources.getResources() != null){
allResources.addAll(appScopedResources.getResources(JdbcResource.class));
}
List modules = app.getModule();
if(modules != null){
for(Module module : modules){
Resources msr = module.getResources();
if(msr != null && msr.getResources() != null){
allResources.addAll(msr.getResources(JdbcResource.class));
}
}
}
}
}
return allResources;
}
private ResourcesUtil getResourcesUtil(){
if(resourcesUtil == null){
resourcesUtil = ResourcesUtil.createInstance();
}
return resourcesUtil;
}
/**
* {@inheritDoc}
*/
@Override
public void loadXAResourcesAndItsConnections(List xaresList, List connList) {
//Done so as to initialize connectors-runtime before loading jdbc-resources. need a better way ?
ConnectorRuntime crt = connectorRuntimeProvider.get();
Collection jdbcResources = getAllJdbcResources();
if (jdbcResources == null || jdbcResources.size() == 0) {
if (_logger.isLoggable(Level.FINEST)) {
_logger.finest("loadXAResourcesAndItsConnections : no resources" );
}
return;
}
List jdbcPools = new ArrayList();
for (Resource resource : jdbcResources) {
JdbcResource jdbcResource = (JdbcResource) resource;
if(getResourcesUtil().isEnabled(jdbcResource)) {
ResourceInfo resourceInfo = ConnectorsUtil.getResourceInfo(jdbcResource);
JdbcConnectionPool pool = JdbcResourcesUtil.createInstance().getJdbcConnectionPoolOfResource(resourceInfo);
if (pool != null && "javax.sql.XADataSource".equals(pool.getResType())) {
jdbcPools.add(pool);
}
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("JdbcRecoveryResourceHandler:: loadXAResourcesAndItsConnections :: "
+ "adding : " + (jdbcResource.getPoolName()));
}
}
}
loadAllJdbcResources();
// Read from the transaction-service , if the replacement of
// Vendor XAResource class with our version required.
// If yes, put the mapping in the xaresourcewrappers properties.
Properties XAResourceWrappers = new Properties();
XAResourceWrappers.put(
"oracle.jdbc.xa.client.OracleXADataSource",
"com.sun.enterprise.transaction.jts.recovery.OracleXAResource");
Config c = habitat.getService(Config.class, ServerEnvironment.DEFAULT_INSTANCE_NAME);
txService = c.getExtensionByType(TransactionService.class);
List properties = txService.getProperty();
if (properties != null) {
for (Property property : properties) {
String name = property.getName();
String value = property.getValue();
if (name.equals("oracle-xa-recovery-workaround")) {
if ("false".equals(value)) {
XAResourceWrappers.remove(
"oracle.jdbc.xa.client.OracleXADataSource");
}
} else if (name.equals("sybase-xa-recovery-workaround")) {
if (value.equals("true")) {
XAResourceWrappers.put(
"com.sybase.jdbc2.jdbc.SybXADataSource",
"com.sun.enterprise.transaction.jts.recovery.SybaseXAResource");
}
}
}
}
for(JdbcConnectionPool jdbcConnectionPool : jdbcPools){
if (jdbcConnectionPool.getResType() == null
|| jdbcConnectionPool.getName() == null
|| !jdbcConnectionPool.getResType().equals(
"javax.sql.XADataSource")) {
if (_logger.isLoggable(Level.FINEST)) {
_logger.finest("skipping pool : " + jdbcConnectionPool.getName());
}
continue;
}
if (_logger.isLoggable(Level.FINEST)) {
_logger.finest(" using pool : " + jdbcConnectionPool.getName());
}
PoolInfo poolInfo = ConnectorsUtil.getPoolInfo(jdbcConnectionPool);
try {
String[] dbUserPassword = getdbUserPasswordOfJdbcConnectionPool(jdbcConnectionPool);
String dbUser = dbUserPassword[0];
String dbPassword = dbUserPassword[1];
if (dbPassword == null) {
dbPassword = "";
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST,
"datasource.xadatasource_nullpassword_error", poolInfo);
}
}
if (dbUser == null) {
dbUser = "";
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST,
"datasource.xadatasource_nulluser_error", poolInfo);
}
}
ManagedConnectionFactory fac =
crt.obtainManagedConnectionFactory(poolInfo);
Subject subject = new Subject();
PasswordCredential pc = new PasswordCredential(
dbUser, dbPassword.toCharArray());
pc.setManagedConnectionFactory(fac);
Principal prin = new ResourcePrincipal(dbUser, dbPassword);
subject.getPrincipals().add(prin);
subject.getPrivateCredentials().add(pc);
ManagedConnection mc = fac.createManagedConnection(subject, null);
connList.add(mc);
try {
XAResource xares = mc.getXAResource();
if (xares != null) {
// See if a wrapper class for the vendor XADataSource is
// specified if yes, replace the XAResouce class of database
// vendor with our own version
String datasourceClassname =
jdbcConnectionPool.getDatasourceClassname();
String wrapperclass = (String) XAResourceWrappers.get(
datasourceClassname);
if (wrapperclass != null) {
//need to load wrapper class provided by "transactions" module.
//Using connector-class-loader so as to get access to "transaction" module.
XAResourceWrapper xaresWrapper = null;
xaresWrapper = (XAResourceWrapper) crt.getConnectorClassLoader().loadClass(wrapperclass).
newInstance();
xaresWrapper.init(mc, subject);
if (_logger.isLoggable(Level.FINEST)) {
_logger.finest("adding resource " + poolInfo + " -- "+xaresWrapper);
}
xaresList.add(xaresWrapper);
} else {
if (_logger.isLoggable(Level.FINEST)) {
_logger.finest("adding resource " + poolInfo + " -- " + xares);
}
xaresList.add(xares);
}
}
} catch (ResourceException ex) {
_logger.log(Level.WARNING, "datasource.xadatasource_error", poolInfo);
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "datasource.xadatasource_error_excp", ex);
}
// ignored. Not at XA_TRANSACTION level
}
} catch (Exception ex) {
_logger.log(Level.WARNING, "datasource.xadatasource_error", poolInfo);
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "datasource.xadatasource_error_excp", ex);
}
}
}
}
/**
* {@inheritDoc}
*/
@Override
public void closeConnections(List connList) {
for (Object obj : connList) {
try {
ManagedConnection con = (ManagedConnection)obj;
con.destroy();
} catch (Exception ex) {
_logger.log(Level.WARNING, "recovery.jdbc-resource.destroy-error", ex);
}
}
}
/**
* gets the user-name & password for the jdbc-connection-pool
* @param jdbcConnectionPool connection pool
* @return user, password
*/
public String[] getdbUserPasswordOfJdbcConnectionPool(
JdbcConnectionPool jdbcConnectionPool) {
String[] userPassword = new String[2];
userPassword[0] = null;
userPassword[1] = null;
List properties = jdbcConnectionPool.getProperty();
if (properties != null && properties.size() > 0) {
for (Property property : properties) {
String prop = property.getName().toUpperCase(Locale.getDefault());
if ("USERNAME".equals(prop) || "USER".equals(prop)) {
userPassword[0] = property.getValue();
} else if ("PASSWORD".equals(prop)) {
userPassword[1] = property.getValue();
}
}
} else {
return userPassword;
}
return userPassword;
}
}
