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Java file server with SMB, FTP/FTPS and NFS support, virtual filesystems, database filesystems
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/*
* Copyright (C) 2006-2010 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see .
*/
package org.filesys.server.config;
import java.security.Provider;
import java.security.Security;
import java.util.ArrayList;
import java.util.List;
import org.filesys.server.auth.DefaultUsersInterface;
import org.filesys.server.auth.UserAccountList;
import org.filesys.server.auth.UsersInterface;
import org.filesys.server.auth.acl.AccessControlList;
import org.filesys.server.auth.acl.AccessControlManager;
import org.filesys.server.auth.passthru.DomainMapping;
import org.filesys.server.core.ShareMapper;
import org.filesys.server.filesys.DefaultShareMapper;
import org.springframework.extensions.config.ConfigElement;
import org.springframework.extensions.config.element.GenericConfigElement;
/**
* Server Security Configuration Section Class
*
* @author gkspencer
*/
public class SecurityConfigSection extends ConfigSection {
// Security configuration section name
public static final String SectionName = "Security";
// Share mapper
private ShareMapper m_shareMapper;
private ConfigElement m_mapperParams;
// Access control manager
private AccessControlManager m_aclManager;
private ConfigElement m_aclParams;
// Global access control list, applied to all shares that do not have access controls
private AccessControlList m_globalACLs;
// User account list
private UserAccountList m_userList;
// Users interface
private UsersInterface m_usersInterface;
// JCE provider class name
private String m_jceProviderClass;
// Domain mappings, by subnet
private List m_domainMappings;
/**
* Class constructor
*
* @param config ServerConfiguration
*/
public SecurityConfigSection(ServerConfiguration config) {
super(SectionName, config);
// Create the default users interface
m_usersInterface = new DefaultUsersInterface();
try {
m_usersInterface.initializeUsers(config, null);
}
catch (InvalidConfigurationException ex) {
}
// Create the default share mapper
m_shareMapper = new DefaultShareMapper();
try {
m_shareMapper.initializeMapper(config, new GenericConfigElement("shareMapper"));
}
catch (InvalidConfigurationException ex) {
}
}
/**
* Check if there is an access control manager configured
*
* @return boolean
*/
public final boolean hasAccessControlManager() {
return m_aclManager != null ? true : false;
}
/**
* Get the access control manager that is used to control per share access
*
* @return AccessControlManager
*/
public final AccessControlManager getAccessControlManager() {
return m_aclManager;
}
/**
* Check if the global access control list is configured
*
* @return boolean
*/
public final boolean hasGlobalAccessControls() {
return m_globalACLs != null ? true : false;
}
/**
* Return the global access control list
*
* @return AccessControlList
*/
public final AccessControlList getGlobalAccessControls() {
return m_globalACLs;
}
/**
* Return the access control manager initialization parameters
*
* @return ConfigElement
*/
public final ConfigElement getAccessControlManagerParameters() {
return m_aclParams;
}
/**
* Return the share mapper
*
* @return ShareMapper
*/
public final ShareMapper getShareMapper() {
return m_shareMapper;
}
/**
* Return the share mapper initialization parameters
*
* @return ConfigElement
*/
public final ConfigElement getShareMapperParameters() {
return m_mapperParams;
}
/**
* Return the user account list.
*
* @return UserAccountList
*/
public final UserAccountList getUserAccounts() {
return m_userList;
}
/**
* Return the users interface
*
* @return UsersInterface
*/
public final UsersInterface getUsersInterface() {
return m_usersInterface;
}
/**
* Return the JCE provider class name
*
* @return String
*/
public final String getJCEProvider() {
return m_jceProviderClass;
}
/**
* Determine if there are any user accounts defined.
*
* @return boolean
*/
public final boolean hasUserAccounts() {
if (m_userList != null && m_userList.numberOfUsers() > 0)
return true;
return false;
}
/**
* Check if there are any domain mappings defined
*
* @return boolean
*/
public final boolean hasDomainMappings() {
return m_domainMappings != null ? true : false;
}
/**
* Return the domain mappings
*
* @return List of domain mappings
*/
public final List getDomainMappings() {
return m_domainMappings;
}
/**
* Set the access control manager to be used to control per share access
*
* @param aclMgrClass String
* @param params ConfigElement
* @return int
* @exception InvalidConfigurationException Error setting the access control manager class
*/
public final int setAccessControlManager(String aclMgrClass, ConfigElement params)
throws InvalidConfigurationException {
// Validate the access control manager class
int sts = ConfigurationListener.StsIgnored;
AccessControlManager aclMgr = null;
try {
// Load the access control manager class
Object aclObj = Class.forName(aclMgrClass).newInstance();
if (aclObj instanceof AccessControlManager) {
// Set the ACL manager
aclMgr = (AccessControlManager) aclObj;
} else
throw new InvalidConfigurationException("Access control manager does not implement required interface");
}
catch (ClassNotFoundException ex) {
throw new InvalidConfigurationException("Access control manager class " + aclMgrClass + " not found");
}
catch (Exception ex) {
throw new InvalidConfigurationException("Access control manager class error");
}
// Initialize the access control manager using the parameter values
aclMgr.initialize(getServerConfiguration(), params);
// Inform listeners, validate the configuration change
sts = setAccessControlManager(aclMgr);
// Set initialization parameters
m_aclParams = params;
// Return the change status
return sts;
}
/**
* Set the access control manager to be used to control per share access
*
* @param aclMgr the access control manager to be used to control per share access
* @return int
* @exception InvalidConfigurationException Error setting the access control manager class
*/
public final int setAccessControlManager(AccessControlManager aclMgr)
throws InvalidConfigurationException {
// Inform listeners, validate the configuration change
int sts = fireConfigurationChange(ConfigId.SecurityACLManager, aclMgr);
// Set the server access control manager
m_aclManager = aclMgr;
// Return the change status
return sts;
}
/**
* Set the JCE provider
*
* @param providerClass String
* @return int
* @exception InvalidConfigurationException Error setting the JCE provider class
*/
public final int setJCEProvider(String providerClass)
throws InvalidConfigurationException {
// Validate the JCE provider class
int sts = ConfigurationListener.StsIgnored;
try {
// Load the JCE provider class and validate
Object jceObj = Class.forName(providerClass).newInstance();
if (jceObj instanceof java.security.Provider) {
// Inform listeners, validate the configuration change
Provider jceProvider = (Provider) jceObj;
sts = fireConfigurationChange(ConfigId.SecurityJCEProvider, jceProvider);
// Save the JCE provider class name
m_jceProviderClass = providerClass;
// Add the JCE provider
Security.addProvider(jceProvider);
} else
throw new InvalidConfigurationException("JCE provider class is not a valid Provider class");
}
catch (ClassNotFoundException ex) {
throw new InvalidConfigurationException("JCE provider class " + providerClass + " not found");
}
catch (Exception ex) {
throw new InvalidConfigurationException("JCE provider class error");
}
// Return the change status
return sts;
}
/**
* Set the share mapper
*
* @param mapperClass String
* @param params ConfigElement
* @return int
* @exception InvalidConfigurationException Error setting the share mapper class
*/
public final int setShareMapper(String mapperClass, ConfigElement params)
throws InvalidConfigurationException {
// Validate the share mapper class
int sts = ConfigurationListener.StsIgnored;
try {
// Load the share mapper class
Object mapperObj = Class.forName(mapperClass).newInstance();
if (mapperObj instanceof ShareMapper) {
// Initialize the share mapper
ShareMapper shareMapper = (ShareMapper) mapperObj;
shareMapper.initializeMapper(getServerConfiguration(), params);
// Inform listeners, validate the configuration change
sts = setShareMapper(shareMapper);
// Set the initialization parameters
m_mapperParams = params;
} else
throw new InvalidConfigurationException("Share mapper class is not implementation of ShareMapper interface");
}
catch (ClassNotFoundException ex) {
throw new InvalidConfigurationException("Share mapper class " + mapperClass + " not found");
}
catch (Exception ex) {
throw new InvalidConfigurationException("Share mapper class error");
}
// Return the change status
return sts;
}
/**
* Set the share mapper
*
* @param shareMapper pre-initialized share mapper
* @return int
* @exception InvalidConfigurationException Error setting the share mapper class
*/
public final int setShareMapper(ShareMapper shareMapper) throws InvalidConfigurationException {
// Inform listeners, validate the configuration change
int sts = fireConfigurationChange(ConfigId.ShareMapper, shareMapper);
// Set the share mapper
m_shareMapper = shareMapper;
// Return the change status
return sts;
}
/**
* Set the user account list.
*
* @param users UserAccountList
* @return int
* @exception InvalidConfigurationException Error setting the user account list
*/
public final int setUserAccounts(UserAccountList users)
throws InvalidConfigurationException {
// Inform listeners, validate the configuration change
int sts = fireConfigurationChange(ConfigId.UsersList, users);
m_userList = users;
// Return the change status
return sts;
}
/**
* Set the users interface to provide user account information
*
* @param usersClass String
* @param params ConfigElement
* @return int
* @exception InvalidConfigurationException Error setting the users interface class
*/
public final int setUsersInterface(String usersClass, ConfigElement params)
throws InvalidConfigurationException {
// Validate the users interface access class
int sts = ConfigurationListener.StsIgnored;
UsersInterface usersIface = null;
try {
// Load the users interface class
Object usersObj = Class.forName(usersClass).newInstance();
if (usersObj instanceof UsersInterface) {
// Set the users interface
usersIface = (UsersInterface) usersObj;
} else
throw new InvalidConfigurationException("Users interface class does not implement required interface");
}
catch (ClassNotFoundException ex) {
throw new InvalidConfigurationException("Users interface class " + usersClass + " not found");
}
catch (Exception ex) {
throw new InvalidConfigurationException("Users interface class error");
}
// Initialize the users interface using the parameter values
usersIface.initializeUsers(getServerConfiguration(), params);
// Inform listeners, validate the configuration change
sts = fireConfigurationChange(ConfigId.SecurityUsersInterface, usersIface);
// Set the users interface and initialization parameters
m_usersInterface = usersIface;
// Return the change status
return sts;
}
/**
* Set the users interface to provide user account information
*
* @param usersIface UsersInterface
* @return int
* @exception InvalidConfigurationException Error setting the users interface class
*/
public final int setUsersInterface( UsersInterface usersIface)
throws InvalidConfigurationException {
// Inform listeners, validate the configuration change
int sts = fireConfigurationChange(ConfigId.SecurityUsersInterface, usersIface);
// Set the users interface and initialization parameters
m_usersInterface = usersIface;
// Return the change status
return sts;
}
/**
* Set the global access control list
*
* @param acls AccessControlList
* @return int
* @exception InvalidConfigurationException Error setting the global access control list
*/
public final int setGlobalAccessControls(AccessControlList acls)
throws InvalidConfigurationException {
// Inform listeners, validate the configuration change
int sts = fireConfigurationChange(ConfigId.SecurityGlobalACLs, acls);
m_globalACLs = acls;
// Return the change status
return sts;
}
/**
* Add a domain mapping
*
* @param mapping DomainMapping
*/
public final void addDomainMapping(DomainMapping mapping) {
if (m_domainMappings == null)
m_domainMappings = new ArrayList();
m_domainMappings.add(mapping);
}
}