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/*******************************************************************************
* Copyright (c) 2001, 2005 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.useradmin;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import org.eclipse.osgi.util.NLS;
import org.osgi.framework.ServiceReference;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.log.LogService;
import org.osgi.service.prefs.BackingStoreException;
import org.osgi.service.prefs.Preferences;
import org.osgi.service.prefs.PreferencesService;
/*
* UserAdminStore is responsible for managing the persistence data of the useradmin
* service. It uses the PersistenceNode service as its underlying storage.
*/
public class UserAdminStore {
static protected final String propertiesNode = "properties"; //$NON-NLS-1$
static protected final String credentialsNode = "credentials"; //$NON-NLS-1$
static protected final String membersNode = "members"; //$NON-NLS-1$
static protected final String basicString = "basic"; //$NON-NLS-1$
static protected final String requiredString = "required"; //$NON-NLS-1$
static protected final String typeString = "type"; //$NON-NLS-1$
static protected final String persistenceUserName = "UserAdmin"; //$NON-NLS-1$
protected ServiceReference prefsRef;
protected ServiceRegistration userAdminListenerReg;
protected UserAdmin useradmin;
protected LogService log;
protected Preferences rootNode;
protected PreferencesService preferencesService;
protected UserAdminStore(PreferencesService preferencesService, UserAdmin useradmin, LogService log) {
this.preferencesService = preferencesService;
this.useradmin = useradmin;
this.log = log;
}
protected void init() throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
rootNode = preferencesService.getUserPreferences(persistenceUserName);
loadRoles();
return (null);
}
});
} catch (PrivilegedActionException ex) {
throw ((BackingStoreException) ex.getException());
}
}
protected void addRole(final org.osgi.service.useradmin.Role role) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences node = rootNode.node(role.getName());
node.putInt(typeString, role.getType());
node.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, UserAdminMsg.Backing_Store_Write_Exception, ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void removeRole(final org.osgi.service.useradmin.Role role) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences node = rootNode.node(role.getName());
node.removeNode();
rootNode.node("").flush(); //$NON-NLS-1$
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, UserAdminMsg.Backing_Store_Write_Exception, ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void clearProperties(final org.osgi.service.useradmin.Role role) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences propertyNode = rootNode.node(role.getName() + "/" + propertiesNode); //$NON-NLS-1$
propertyNode.clear();
propertyNode.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, UserAdminMsg.Backing_Store_Write_Exception, ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void addProperty(final org.osgi.service.useradmin.Role role, final String key, final Object value) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences propertyNode = rootNode.node(role.getName() + "/" + propertiesNode); //$NON-NLS-1$
if (value instanceof String) {
propertyNode.put(key, (String) value);
} else //must be a byte array, then
{
propertyNode.putByteArray(key, (byte[]) value);
}
propertyNode.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, UserAdminMsg.Backing_Store_Write_Exception, ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void removeProperty(final org.osgi.service.useradmin.Role role, final String key) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences propertyNode = rootNode.node(role.getName() + "/" + propertiesNode); //$NON-NLS-1$
propertyNode.remove(key);
propertyNode.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, UserAdminMsg.Backing_Store_Write_Exception, ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void clearCredentials(final org.osgi.service.useradmin.Role role) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences credentialNode = rootNode.node(role.getName() + "/" + credentialsNode); //$NON-NLS-1$
credentialNode.clear();
credentialNode.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, UserAdminMsg.Backing_Store_Write_Exception, ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void addCredential(final org.osgi.service.useradmin.Role role, final String key, final Object value) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences credentialNode = rootNode.node(role.getName() + "/" + credentialsNode); //$NON-NLS-1$
if (value instanceof String) {
credentialNode.put(key, (String) value);
} else //assume it is a byte array
{
credentialNode.putByteArray(key, (byte[]) value);
}
credentialNode.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, NLS.bind(UserAdminMsg.Backing_Store_Write_Exception, new Object[] {NLS.bind(UserAdminMsg.adding_Credential_to__15, role.getName())}), ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void removeCredential(final org.osgi.service.useradmin.Role role, final String key) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences credentialNode = rootNode.node(role.getName() + "/" + credentialsNode); //$NON-NLS-1$
credentialNode.remove(key);
credentialNode.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, UserAdminMsg.Backing_Store_Write_Exception, ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void addMember(final Group group, final Role role) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences memberNode = rootNode.node(group.getName() + "/" + membersNode); //$NON-NLS-1$
memberNode.put(role.getName(), basicString);
memberNode.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, NLS.bind(UserAdminMsg.Backing_Store_Write_Exception, new Object[] {NLS.bind(UserAdminMsg.adding_member__18, role.getName(), group.getName())}), ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void addRequiredMember(final Group group, final Role role) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences memberNode = rootNode.node(group.getName() + "/" + membersNode); //$NON-NLS-1$
memberNode.put(role.getName(), requiredString);
memberNode.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, NLS.bind(UserAdminMsg.Backing_Store_Write_Exception, new Object[] {NLS.bind(UserAdminMsg.adding_required_member__21, role.getName(), group.getName())}), ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void removeMember(final Group group, final Role role) throws BackingStoreException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws BackingStoreException {
Preferences memberNode = rootNode.node(group.getName() + "/" + membersNode); //$NON-NLS-1$
memberNode.remove(role.getName());
memberNode.flush();
return (null);
}
});
} catch (PrivilegedActionException ex) {
log.log(LogService.LOG_ERROR, NLS.bind(UserAdminMsg.Backing_Store_Write_Exception, new Object[] {NLS.bind(UserAdminMsg.removing_member__24, role.getName(), group.getName())}), ex);
throw ((BackingStoreException) ex.getException());
}
}
protected void loadRoles() throws BackingStoreException {
synchronized (this) {
createAnonRole();
String[] children = rootNode.node("").childrenNames(); //$NON-NLS-1$
for (int i = 0; i < children.length; i++) {
if (useradmin.getRole(children[i]) == null) //check to see if it is already loaded
{ //(we may have had to load some roles out of
loadRole(rootNode.node(children[i]), null); // order due to dependencies)
//modified to solve defect 95982
}
}
}
}
/* modified to solve defect 95982 */
protected void loadRole(Preferences node, Role role) throws BackingStoreException {
int type = node.getInt(typeString, Integer.MIN_VALUE);
if (type == Integer.MIN_VALUE) {
String errorString = NLS.bind(UserAdminMsg.Backing_Store_Read_Exception, new Object[] {NLS.bind(UserAdminMsg.Unable_to_load_role__27, node.name())});
BackingStoreException ex = new BackingStoreException(errorString);
log.log(LogService.LOG_ERROR, errorString, ex);
throw (ex);
}
if (role == null) {
role = (Role) useradmin.createRole(node.name(), type, false);
}
Preferences propsNode = node.node(propertiesNode);
String[] keys = propsNode.keys();
UserAdminHashtable properties = (UserAdminHashtable) role.getProperties();
String value;
//load properties
for (int i = 0; i < keys.length; i++) {
value = propsNode.get(keys[i], null);
properties.put(keys[i], value, false);
}
//load credentials
if (type == org.osgi.service.useradmin.Role.USER || type == org.osgi.service.useradmin.Role.GROUP) {
Object credValue;
Preferences credNode = node.node(credentialsNode);
keys = credNode.keys();
UserAdminHashtable credentials = (UserAdminHashtable) ((User) role).getCredentials();
for (int i = 0; i < keys.length; i++) {
credValue = credNode.get(keys[i], null);
credentials.put(keys[i], credValue, false);
}
}
//load group members
if (type == org.osgi.service.useradmin.Role.GROUP) {
Preferences memberNode = node.node(membersNode);
keys = memberNode.keys();
for (int i = 0; i < keys.length; i++) {
value = memberNode.get(keys[i], null);
Role member = (Role) useradmin.getRole(keys[i]);
if (member == null) //then we have not loaded this one yet, so load it
{
loadRole(rootNode.node(keys[i]), null); // modified to solve defect 95982
member = (Role) useradmin.getRole(keys[i]);
}
if (value.equals(requiredString)) {
((Group) role).addRequiredMember(member, false);
} else {
((Group) role).addMember(member, false);
}
}
}
}
protected void destroy() {
try {
rootNode.flush();
rootNode = null;
preferencesService = null;
} catch (BackingStoreException ex) {
log.log(LogService.LOG_ERROR, UserAdminMsg.Backing_Store_Write_Exception, ex);
}
}
private void createAnonRole() throws BackingStoreException {
Role role = null;
if (!rootNode.nodeExists(Role.anyoneString)) {
//If the user.anyone role is not present, create it
role = (Role) useradmin.createRole(Role.anyoneString, org.osgi.service.useradmin.Role.ROLE, true);
}
/* modified to solve defect 95982 */
if (role != null)
loadRole(rootNode.node(Role.anyoneString), role);
else
loadRole(rootNode.node(Role.anyoneString), null);
}
}
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