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// Portions Copyright [2016-2021] [Payara Foundation]
package com.sun.enterprise.resource.recovery;
import com.sun.appserv.connectors.internal.api.ConnectorConstants;
import com.sun.appserv.connectors.internal.api.ConnectorRuntimeException;
import com.sun.appserv.connectors.internal.api.ConnectorsClassLoaderUtil;
import com.sun.appserv.connectors.internal.api.ConnectorsUtil;
import com.sun.enterprise.config.serverbeans.*;
import com.sun.enterprise.config.serverbeans.Module;
import com.sun.enterprise.connectors.ConnectorRegistry;
import com.sun.enterprise.connectors.ConnectorRuntime;
import com.sun.enterprise.connectors.service.ConnectorAdminServiceUtils;
import com.sun.enterprise.connectors.util.ConnectionPoolObjectsUtils;
import com.sun.enterprise.connectors.util.ResourcesUtil;
import com.sun.enterprise.deployment.ConnectionDefDescriptor;
import com.sun.enterprise.deployment.ConnectorConfigProperty;
import com.sun.enterprise.deployment.ConnectorDescriptor;
import com.sun.enterprise.deployment.ResourcePrincipal;
import com.sun.enterprise.resource.deployer.ConnectorResourceDeployer;
import com.sun.enterprise.transaction.spi.RecoveryResourceHandler;
import com.sun.enterprise.v3.server.ApplicationLoaderService;
import com.sun.logging.LogDomains;
import org.glassfish.connectors.config.ConnectorConnectionPool;
import org.glassfish.connectors.config.ConnectorResource;
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 jakarta.inject.Inject;
import jakarta.inject.Named;
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 java.security.Principal;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Recovery handler for connector resources
*
* @author Jagadish Ramu
*/
@Service
public class ConnectorsRecoveryResourceHandler implements RecoveryResourceHandler {
@Inject
private Domain domain;
@Inject
private Applications applications;
@Inject
private ConnectorsClassLoaderUtil cclUtil;
@Inject
private Provider connectorRuntimeProvider;
@Inject
private Provider connectorResourceDeployerProvider;
@Inject
private ConfigBeansUtilities configBeansUtilities;
private ResourcesUtil resourcesUtil = null;
private static Logger _logger = LogDomains.getLogger(ConnectorsRecoveryResourceHandler.class, LogDomains.RSR_LOGGER);
private static final Locale locale = Locale.getDefault();
private Collection getAllConnectorResources() {
Collection allResources = new ArrayList();
Collection connectorResources = domain.getResources().getResources(ConnectorResource.class);
allResources.addAll(connectorResources);
for(Application app : applications.getApplications()){
if(ResourcesUtil.createInstance().isEnabled(app)){
Resources appScopedResources = app.getResources();
if(appScopedResources != null && appScopedResources.getResources() != null){
allResources.addAll(appScopedResources.getResources(ConnectorResource.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(ConnectorResource.class));
}
}
}
}
}
return allResources;
}
/**
* does a lookup of resources so that they are loaded for sure.
*/
private void loadAllConnectorResources() {
try {
Collection connResources = getAllConnectorResources();
InitialContext ic = new InitialContext();
for (ConnectorResource connResource : connResources) {
if(getResourcesUtil().isEnabled(connResource)) {
try {
ic.lookup(connResource.getJndiName());
//} catch (NameNotFoundException ne) {
} catch (NamingException ne) {
//If you are here then it is most probably an embedded RAR resource
//So we need to explicitly load that rar and create the resources
try {
ResourceInfo resourceInfo = ConnectorsUtil.getResourceInfo(connResource);
ConnectorConnectionPool connConnectionPool =
ResourcesUtil.createInstance().getConnectorConnectionPoolOfResource(resourceInfo);
if(connConnectionPool != null){
//TODO V3 ideally this should not happen if connector modules (and embedded rars)
//TODO are loaded before recovery
createActiveResourceAdapter(connConnectionPool.getResourceAdapterName());
getConnectorResourceDeployer().deployResource(connResource);
}
} catch (Exception ex) {
_logger.log(Level.SEVERE, "error.loading.connector.resources.during.recovery",
connResource.getJndiName());
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ne.toString(), ne);
}
_logger.log(Level.SEVERE, "error.loading.connector.resources.during.recovery",
connResource.getJndiName());
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ex.toString(), ex);
}
}
} catch (Exception ex) {
_logger.log(Level.SEVERE, "error.loading.connector.resources.during.recovery",
connResource.getJndiName());
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ex.toString(), ex);
}
}
}
}
} catch (NamingException ne) {
_logger.log(Level.SEVERE, "error.loading.connector.resources.during.recovery", ne.getMessage());
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ne.toString(), ne);
}
}
}
private ResourcesUtil getResourcesUtil(){
if(resourcesUtil == null){
resourcesUtil = ResourcesUtil.createInstance();
}
return resourcesUtil;
}
private ConnectorResourceDeployer getConnectorResourceDeployer() {
return connectorResourceDeployerProvider.get();
}
/**
* {@inheritDoc}
*/
public void loadXAResourcesAndItsConnections(List xaresList, List connList) {
//Done so as to initialize connectors-runtime before loading connector-resources. need a better way ?
ConnectorRuntime crt = connectorRuntimeProvider.get();
// ApplicationLoaderService already guarantees that connectors are loaded before any other applications.
// Recovery will not start sooner than transaction is first needed on EE application startup, therefore
// it is safe to continue here without waiting for startupProvider, as that ultimately creates a deadlock
// between ApplicationLoaderService needed a transaction manager, and recovery wainting for applications
// to finish loading.
Collection connectorResources = getAllConnectorResources();
if (connectorResources == null || connectorResources.size() == 0) {
return;
}
List connPools = new ArrayList();
for (Resource resource : connectorResources) {
ConnectorResource connResource = (ConnectorResource) resource;
if(getResourcesUtil().isEnabled(connResource)) {
ResourceInfo resourceInfo = ConnectorsUtil.getResourceInfo(connResource);
ConnectorConnectionPool pool = ResourcesUtil.createInstance().getConnectorConnectionPoolOfResource(resourceInfo);
if (pool != null &&
ConnectorConstants.XA_TRANSACTION_TX_SUPPORT_STRING.equals(
getTransactionSupport(pool))) {
connPools.add(pool);
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("ConnectorsRecoveryResourceHandler loadXAResourcesAndItsConnections :: "
+ "adding : " + connResource.getPoolName());
}
}
}
}
loadAllConnectorResources();
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "Recovering pools : " + connPools.size());
}
for(ConnectorConnectionPool connPool : connPools){
PoolInfo poolInfo = ConnectorsUtil.getPoolInfo(connPool);
try {
String[] dbUserPassword = getdbUserPasswordOfConnectorConnectionPool(connPool);
if (dbUserPassword == null) {
continue;
}
String dbUser = dbUserPassword[0];
String dbPassword = dbUserPassword[1];
Subject subject = new Subject();
//If username or password of the connector connection pool
//is null a warning is logged and recovery continues with
//empty String username or password as the case may be,
//because some databases allow null[as in empty string]
//username [pointbase interprets this as "root"]/password.
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);
}
}
String rarName = connPool.getResourceAdapterName();
//TODO V3 JMS-RA ??
if (ConnectorAdminServiceUtils.isJMSRA(rarName)) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "Performing recovery for JMS RA, poolName " + poolInfo);
}
ManagedConnectionFactory[] mcfs =
crt.obtainManagedConnectionFactories(poolInfo);
_logger.log(Level.INFO, "JMS resource recovery has created CFs = " + mcfs.length);
for (int i = 0; i < mcfs.length; i++) {
PasswordCredential pc = new PasswordCredential(
dbUser, dbPassword.toCharArray());
pc.setManagedConnectionFactory(mcfs[i]);
Principal prin =
new ResourcePrincipal(dbUser, dbPassword);
subject.getPrincipals().add(prin);
subject.getPrivateCredentials().add(pc);
ManagedConnection mc = mcfs[i].
createManagedConnection(subject, null);
connList.add(mc);
try {
XAResource xares = mc.getXAResource();
if (xares != null) {
xaresList.add(xares);
}
} catch (ResourceException ex) {
// ignored. Not at XA_TRANSACTION level
}
}
} else {
ManagedConnectionFactory mcf =
crt.obtainManagedConnectionFactory(poolInfo);
PasswordCredential pc = new PasswordCredential(
dbUser, dbPassword.toCharArray());
pc.setManagedConnectionFactory(mcf);
Principal prin = new ResourcePrincipal(dbUser, dbPassword);
subject.getPrincipals().add(prin);
subject.getPrivateCredentials().add(pc);
ManagedConnection mc = mcf.createManagedConnection(subject, null);
connList.add(mc);
try {
XAResource xares = mc.getXAResource();
if (xares != null) {
xaresList.add(xares);
}
} catch (ResourceException 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);
}
}
}
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "Total XAResources identified for recovery is " + xaresList.size());
_logger.log(Level.FINE, "Total connections identified for recovery is " + connList.size());
}
}
/**
* provides the transaction support for the pool.
* If none specified in the pool, tx support at RA level will be returned.
* @param pool connector connection pool
* @return tx support level
*/
private String getTransactionSupport(ConnectorConnectionPool pool) {
String txSupport = pool.getTransactionSupport();
if (txSupport != null) {
return txSupport;
}
try {
txSupport = ConnectorRuntime.getRuntime().getConnectorDescriptor(
pool.getResourceAdapterName()).getOutboundResourceAdapter().
getTransSupport();
} catch (ConnectorRuntimeException cre) {
Object params[] = new Object[]{pool.getResourceAdapterName(), cre};
_logger.log(Level.WARNING, "error.retrieving.tx-support.from.rar", params);
if(_logger.isLoggable(Level.FINEST)) {
_logger.finest("setting no-tx-support as tx-support-level for pool : " + pool.getName());
}
txSupport = ConnectorConstants.NO_TRANSACTION_TX_SUPPORT_STRING;
}
return txSupport;
}
/**
* {@inheritDoc}
*/
public void closeConnections(List connList) {
for (Object obj : connList) {
try {
((ManagedConnection) obj).destroy();
} catch (Exception ex) {
// Since closing error has been advised to be ignored
// so we are not logging the message as an exception
// but treating the same as a debug message
// Santanu De, Sun Microsystems, 2002.
_logger.log(Level.WARNING, "Connector Resource could not be closed", ex);
}
}
}
private String[] getdbUserPasswordOfConnectorConnectionPool(
ConnectorConnectionPool connectorConnectionPool) {
String[] userPassword = new String[2];
userPassword[0] = null;
userPassword[1] = null;
List properties = connectorConnectionPool.getProperty();
if (properties != null) {
boolean foundUserPassword = false;
for (Property elementProperty : properties) {
String prop = elementProperty.getName().toUpperCase(locale);
if ("USERNAME".equals(prop) || "USER".equals(prop)) {
userPassword[0] = elementProperty.getValue();
foundUserPassword = true;
} else if ("PASSWORD".equals(prop)) {
userPassword[1] = elementProperty.getValue();
foundUserPassword = true;
}
}
if (foundUserPassword == true) {
return userPassword;
}
}
PoolInfo poolInfo = ConnectorsUtil.getPoolInfo(connectorConnectionPool);
String rarName = connectorConnectionPool.getResourceAdapterName();
String connectionDefName =
connectorConnectionPool.getConnectionDefinitionName();
ConnectorRegistry connectorRegistry =
ConnectorRegistry.getInstance();
ConnectorDescriptor connectorDescriptor =
connectorRegistry.getDescriptor(rarName);
ConnectionDefDescriptor cdd =
connectorDescriptor.getConnectionDefinitionByCFType(
connectionDefName);
Set configProps = cdd.getConfigProperties();
for (Iterator iter = configProps.iterator(); iter.hasNext();) {
ConnectorConfigProperty envProp = (ConnectorConfigProperty ) iter.next();
String prop = envProp.getName().toUpperCase(locale);
if ("USER".equals(prop) || "USERNAME".equals(prop)) {
userPassword[0] = envProp.getValue();
} else if ("PASSWORD".equals(prop)) {
userPassword[1] = envProp.getValue();
}
}
if (userPassword[0] != null && !"".equals(userPassword[0].trim())) {
return userPassword;
}
//else read the default username and password from the ra.xml
ManagedConnectionFactory mcf =
connectorRegistry.getManagedConnectionFactory(poolInfo);
userPassword[0] = ConnectionPoolObjectsUtils.getValueFromMCF(
"UserName", poolInfo, mcf);
userPassword[1] = ConnectionPoolObjectsUtils.getValueFromMCF(
"Password", poolInfo, mcf);
return userPassword;
}
private void createActiveResourceAdapter(String rarModuleName) throws ConnectorRuntimeException {
ConnectorRuntime cr = ConnectorRuntime.getRuntime();
ConnectorRegistry creg = ConnectorRegistry.getInstance();
if (creg.isRegistered(rarModuleName))
return;
if (ConnectorAdminServiceUtils.isEmbeddedConnectorModule(rarModuleName)) {
cr.createActiveResourceAdapterForEmbeddedRar(rarModuleName);
} else {
String moduleDir ;
if (ConnectorsUtil.belongsToSystemRA(rarModuleName)) {
moduleDir = ConnectorsUtil.getSystemModuleLocation(rarModuleName);
}else{
moduleDir = configBeansUtilities.getLocation(rarModuleName);
}
ClassLoader loader = cr.createConnectorClassLoader(moduleDir, null, rarModuleName);
cr.createActiveResourceAdapter(moduleDir, rarModuleName, loader);
}
}
}