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// Portions Copyright [2018-2019] [Payara Foundation and/or its affiliates]
package org.glassfish.admin.rest.cli;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.internal.api.Globals;
import org.jvnet.hk2.config.types.Property;
import com.sun.enterprise.config.serverbeans.AuthRealm;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.SecurityService;
import com.sun.enterprise.security.auth.WebAndEjbToJaasBridge;
import com.sun.enterprise.security.auth.realm.Realm;
import com.sun.enterprise.security.auth.realm.RealmsManager;
import com.sun.enterprise.security.auth.realm.User;
/**
* AMX Realms implementation.
* Note that realms don't load until {@link #loadRealms} is called.
* @author ludovic champenosi
*/
public class SecurityUtil {
private static final String DAS_CONFIG = "server-config";
private static final String ADMIN_REALM = "admin-realm";
private static final String FILE_REALM_CLASSNAME = "com.sun.enterprise.security.auth.realm.file.FileRealm";
private static final Logger LOGGER = Logger.getLogger(SecurityUtil.class.getCanonicalName());
private final Domain domain;
public SecurityUtil(Domain domain) {
this.domain = domain;
_loadRealms();
}
public RealmsManager getRealmsManager() {
return Globals.getDefaultHabitat().getService(RealmsManager.class);
}
private SecurityService getSecurityService() {
Config config = domain.getConfigs().getConfig().get(0);
return config.getSecurityService();
}
private void _loadRealms() {
List authRealmConfigs = getSecurityService().getAuthRealm();
List goodRealms = new ArrayList();
for (AuthRealm authRealm : authRealmConfigs) {
List propConfigs = authRealm.getProperty();
Properties props = new Properties();
for (Property p : propConfigs) {
String value = p.getValue();
props.setProperty(p.getName(), value);
}
try {
Realm.instantiate(authRealm.getName(), authRealm.getClassname(), props);
goodRealms.add(authRealm.getName());
} catch (Exception e) {
LOGGER.log(Level.SEVERE, null, e);
}
}
if (!goodRealms.isEmpty()) {
//not used String goodRealm = goodRealms.iterator().next();
try {
String defaultRealm = getSecurityService().getDefaultRealm();
/*Realm r = */Realm.getInstance(defaultRealm);
Realm.setDefaultRealm(defaultRealm);
} catch (Exception e) {
Realm.setDefaultRealm(goodRealms.iterator().next());
LOGGER.log(Level.SEVERE, null, e);
}
}
}
private String[] _getRealmNames() {
Enumeration es = getRealmsManager().getRealmNames();
List realmNamesList = new ArrayList();
while (es.hasMoreElements()) {
realmNamesList.add(es.nextElement());
}
return realmNamesList.toArray(new String[realmNamesList.size()]);
}
public String[] getRealmNames() {
try {
return _getRealmNames();
} catch (Exception e) {
LOGGER.log(Level.SEVERE, null, e);
return null;
}
}
public String[] getPredefinedAuthRealmClassNames() {
List items = getRealmsManager().getPredefinedAuthRealmClassNames();
return items.toArray(new String[items.size()]);
}
public String getDefaultRealmName() {
return getRealmsManager().getDefaultRealmName();
}
public void setDefaultRealmName(String realmName) {
getRealmsManager().setDefaultRealmName(realmName);
}
private Realm getRealm(String realmName) {
Realm realm = getRealmsManager().getFromLoadedRealms(realmName);
if (realm == null) {
throw new IllegalArgumentException("No such realm: " + realmName);
}
return realm;
}
public void addUser(
String realmName,
String user,
String password,
String[] groupList) {
checkSupportsUserManagement(realmName);
try {
Realm realm = getRealm(realmName);
realm.addUser(user, password.toCharArray(), groupList);
realm.persist();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void updateUser(
String realmName,
String existingUser,
String newUser,
String password,
String[] groupList) {
checkSupportsUserManagement(realmName);
try {
Realm realm = getRealm(realmName);
realm.updateUser(existingUser, newUser, password.toCharArray(), groupList);
realm.persist();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void removeUser(String realmName, String user) {
checkSupportsUserManagement(realmName);
try {
Realm realm = getRealm(realmName);
realm.removeUser(user);
realm.persist();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public boolean supportsUserManagement(String realmName) {
return getRealm(realmName).supportsUserManagement();
}
private void checkSupportsUserManagement(String realmName) {
if (!supportsUserManagement(realmName)) {
throw new IllegalStateException("Realm " + realmName + " does not support user management");
}
}
public String[] getUserNames(String realmName) {
try {
Enumeration userNamesEnumeration = getRealm(realmName).getUserNames();
List userNamesList = new ArrayList();
while (userNamesEnumeration.hasMoreElements()) {
userNamesList.add(userNamesEnumeration.nextElement());
}
return userNamesList.toArray(new String[userNamesList.size()]);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public String[] getGroupNames(String realmName) {
try {
Enumeration es = getRealm(realmName).getGroupNames();
List groupNamesList = new ArrayList();
while (es.hasMoreElements()) {
groupNamesList.add(es.nextElement());
}
return groupNamesList.toArray(new String[groupNamesList.size()]);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public String[] getGroupNames(String realmName, String user) {
try {
Enumeration es = getRealm(realmName).getGroupNames(user);
List groupNamesList = new ArrayList();
while (es.hasMoreElements()) {
groupNamesList.add(es.nextElement());
}
return groupNamesList.toArray(new String[groupNamesList.size()]);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public Map getUserAttributes(String realmName, String username) {
try {
User user = getRealm(realmName).getUser(username);
Map m = new HashMap();
Enumeration e = user.getAttributeNames();
List attrNames = new ArrayList();
while (e.hasMoreElements()) {
attrNames.add(e.nextElement());
}
for (String attrName : attrNames) {
m.put(attrName, user.getAttribute(attrName));
}
return m;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public String getAnonymousUser(ServiceLocator habitat) {
String user = null;
// find the ADMIN_REALM
AuthRealm adminFileAuthRealm = null;
for (AuthRealm auth : domain.getConfigNamed(DAS_CONFIG).getSecurityService().getAuthRealm()) {
if (auth.getName().equals(ADMIN_REALM)) {
adminFileAuthRealm = auth;
break;
}
}
if (adminFileAuthRealm == null) {
// There must always be an admin realm
throw new IllegalStateException("Cannot find admin realm");
}
// Get FileRealm class name
String fileRealmClassName = adminFileAuthRealm.getClassname();
if (fileRealmClassName != null && !fileRealmClassName.equals(FILE_REALM_CLASSNAME)) {
// This condition can arise if admin-realm is not a File realm. Then the API to extract
// the anonymous user should be integrated for the logic below this line of code. for now,
// we treat this as an error and instead of throwing exception return false;
return null;
}
List props = adminFileAuthRealm.getProperty();
Property keyfileProp = null;
for (Property prop : props) {
if ("file".equals(prop.getName())) {
keyfileProp = prop;
}
}
if (keyfileProp == null) {
throw new IllegalStateException("Cannot find property 'file'");
}
String keyFile = keyfileProp.getValue();
if (keyFile == null) {
throw new IllegalStateException("Cannot find key file");
}
String[] usernames = getUserNames(adminFileAuthRealm.getName());
if (usernames.length == 1) {
try {
habitat.getService(com.sun.enterprise.security.SecurityLifecycle.class);
WebAndEjbToJaasBridge.login(usernames[0], new char[0], ADMIN_REALM);
user = usernames[0];
} catch (Exception e) {
}
}
return user;
}
}
