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PluginRealm.java
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PluginRealm.java
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/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.server.security.enterprise.auth.plugin;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.credential.AllowAllCredentialsMatcher;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.cache.Cache;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.neo4j.server.security.enterprise.auth.PredefinedRolesBuilder;
import org.neo4j.server.security.enterprise.auth.ShiroAuthToken;
import org.neo4j.server.security.enterprise.auth.plugin.spi.AuthInfo;
import org.neo4j.server.security.enterprise.auth.plugin.spi.AuthPlugin;
import org.neo4j.server.security.enterprise.auth.plugin.spi.AuthenticationPlugin;
import org.neo4j.server.security.enterprise.auth.plugin.spi.AuthorizationPlugin;
import org.neo4j.server.security.enterprise.auth.plugin.spi.RealmLifecycle;
public class PluginRealm extends AuthorizingRealm implements RealmLifecycle
{
private AuthenticationPlugin authenticationPlugin;
private AuthorizationPlugin authorizationPlugin;
private AuthPlugin authPlugin;
public PluginRealm()
{
super();
setCredentialsMatcher( new AllowAllCredentialsMatcher() );
setAuthenticationCachingEnabled( true );
setAuthorizationCachingEnabled( true );
setRolePermissionResolver( PredefinedRolesBuilder.rolePermissionResolver );
}
// TODO: Merge AuthenticationPlugin and AuthorizationPlugin into a single plugin interface?
public PluginRealm( AuthenticationPlugin authenticationPlugin, AuthorizationPlugin authorizationPlugin )
{
this();
this.authenticationPlugin = authenticationPlugin;
this.authorizationPlugin = authorizationPlugin;
}
public PluginRealm( AuthPlugin authPlugin )
{
this();
this.authPlugin = authPlugin;
}
@Override
protected AuthorizationInfo doGetAuthorizationInfo( PrincipalCollection principals )
{
if ( authorizationPlugin != null )
{
org.neo4j.server.security.enterprise.auth.plugin.spi.AuthorizationInfo authorizationInfo =
authorizationPlugin.getAuthorizationInfo( principals.asSet() );
if ( authorizationInfo != null )
{
return PluginAuthorizationInfo.create( authorizationInfo );
}
}
return null;
}
@Override
protected AuthenticationInfo doGetAuthenticationInfo( AuthenticationToken token ) throws AuthenticationException
{
if ( token instanceof ShiroAuthToken )
{
try
{
if ( authPlugin != null )
{
AuthInfo authInfo = authPlugin.getAuthInfo( ((ShiroAuthToken) token).getAuthTokenMap() );
if ( authInfo != null )
{
PluginAuthInfo pluginAuthInfo = PluginAuthInfo.create( authInfo, getName() );
cacheAuthorizationInfo( pluginAuthInfo );
return pluginAuthInfo;
}
}
else if ( authenticationPlugin != null )
{
org.neo4j.server.security.enterprise.auth.plugin.spi.AuthenticationInfo authenticationInfo =
authenticationPlugin.getAuthenticationInfo( ((ShiroAuthToken) token).getAuthTokenMap() );
if ( authenticationInfo != null )
{
return PluginAuthenticationInfo.create( authenticationInfo, getName() );
}
}
}
catch ( org.neo4j.server.security.enterprise.auth.plugin.api.AuthenticationException e )
{
throw new AuthenticationException( e.getMessage(), e.getCause() );
}
}
return null;
}
private void cacheAuthorizationInfo( PluginAuthInfo authInfo )
{
// Use the existing authorizationCache in our base class
Cache<Object, AuthorizationInfo> authorizationCache = getAuthorizationCache();
Object key = getAuthorizationCacheKey( authInfo.getPrincipals() );
authorizationCache.put( key, authInfo );
}
@Override
protected Object getAuthorizationCacheKey( PrincipalCollection principals )
{
return getAvailablePrincipal( principals );
}
@Override
public boolean supports( AuthenticationToken token )
{
return token instanceof ShiroAuthToken;
}
@Override
public void initialize() throws Throwable
{
if ( authenticationPlugin != null )
{
authenticationPlugin.initialize();
}
if ( authorizationPlugin != null && authorizationPlugin != authenticationPlugin )
{
authorizationPlugin.initialize();
}
}
@Override
public void start() throws Throwable
{
if ( authenticationPlugin != null )
{
authenticationPlugin.start();
}
if ( authorizationPlugin != null && authorizationPlugin != authenticationPlugin )
{
authorizationPlugin.start();
}
}
@Override
public void stop() throws Throwable
{
if ( authenticationPlugin != null )
{
authenticationPlugin.stop();
}
if ( authorizationPlugin != null && authorizationPlugin != authenticationPlugin )
{
authorizationPlugin.stop();
}
}
@Override
public void shutdown() throws Throwable
{
if ( authenticationPlugin != null )
{
authenticationPlugin.shutdown();
}
if ( authorizationPlugin != null && authorizationPlugin != authenticationPlugin )
{
authorizationPlugin.shutdown();
}
}
}