org.glassfish.config.support.TranslatedConfigView Maven / Gradle / Ivy
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package org.glassfish.config.support;
import org.jvnet.hk2.config.ConfigView;
import org.jvnet.hk2.config.ConfigBeanProxy;
import org.jvnet.hk2.component.Habitat;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.annotations.Inject;
//import org.glassfish.security.common.RelativePathResolver;
import org.glassfish.security.common.MasterPassword;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
import java.util.logging.Logger;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.io.IOException;
import com.sun.enterprise.security.store.PasswordAdapter;
/**
* View that translate configured attributes containing properties like ${foo.bar}
* into system properties values.
*
* @author Jerome Dochez
*/
public class TranslatedConfigView implements ConfigView {
final static Pattern p = Pattern.compile("([^\\$]*)\\$\\{([^\\}]*)\\}([^\\$]*)");
private static final String ALIAS_TOKEN = "ALIAS";
public static Object getTranslatedValue(Object value) {
if (value!=null && value instanceof String) {
String stringValue = value.toString();
if (stringValue.indexOf('$')==-1) {
return value;
}
MasterPassword masterpasswd = habitat.getByContract(MasterPassword.class);
if (masterpasswd!= null) {
if (getAlias(stringValue) != null) {
try{
return getRealPasswordFromAlias(masterpasswd,stringValue);
} catch (Exception e) {
Logger.getAnonymousLogger().severe("Error in dealiasing the password " +e.getLocalizedMessage());
return stringValue;
}
}
}
Matcher m = p.matcher(stringValue);
while (m.find()) {
String newValue = System.getProperty(m.group(2).trim());
if (newValue!=null) {
stringValue = m.replaceFirst(m.quoteReplacement(m.group(1)+
System.getProperty(m.group(2).trim())+m.group(3)));
m.reset(stringValue);
}
}
return stringValue;
}
return value;
}
final ConfigView masterView;
TranslatedConfigView(ConfigView master ) {
this.masterView = master;
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
return getTranslatedValue(masterView.invoke(proxy, method, args));
}
public ConfigView getMasterView() {
return masterView; //To change body of implemented methods use File | Settings | File Templates.
}
public void setMasterView(ConfigView view) {
// immutable implementation
}
public Class getProxyType() {
return masterView.getProxyType();
}
public T getProxy(Class proxyType) {
return proxyType.cast(Proxy.newProxyInstance(proxyType.getClassLoader(), new Class[]{proxyType},
this));
}
static Habitat habitat;
public static void setHabitat(Habitat h) {
habitat = h;
}
/**
* check if a given property name matches AS alias pattern ${ALIAS=aliasname}.
* if so, return the aliasname, otherwise return null.
* @param propName The property name to resolve. ex. ${ALIAS=aliasname}.
* @return The aliasname or null.
*/
static public String getAlias(String propName)
{
String aliasName=null;
String starter = "${" + ALIAS_TOKEN + "="; //no space is allowed in starter
String ender = "}";
propName = propName.trim();
if (propName.startsWith(starter) && propName.endsWith(ender) ) {
propName = propName.substring(starter.length() );
int lastIdx = propName.length() - 1;
if (lastIdx > 1) {
propName = propName.substring(0,lastIdx);
if (propName!=null)
aliasName = propName.trim();
}
}
return aliasName;
}
public static String getRealPasswordFromAlias(MasterPassword masterPasswordHelper,final String at) throws
KeyStoreException, CertificateException, IOException, NoSuchAlgorithmException,
UnrecoverableKeyException {
final String an = getAlias(at);
final PasswordAdapter pa = masterPasswordHelper.getMasterPasswordAdapter(); // use default password store
final boolean exists = pa.aliasExists(an);
if (!exists) {
final String msg = String.format("Alias %s does not exist",an);
throw new IllegalArgumentException(msg);
}
final String real = pa.getPasswordForAlias(an);
return ( real );
}
}