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BasicAuthSubject.java
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BasicAuthSubject.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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.server.security.auth;
import java.io.IOException;
import org.neo4j.graphdb.security.AuthorizationViolationException;
import org.neo4j.kernel.api.security.AccessMode;
import org.neo4j.kernel.api.security.AuthSubject;
import org.neo4j.kernel.api.security.AuthenticationResult;
import org.neo4j.kernel.api.security.exception.InvalidArgumentsException;
import static org.neo4j.kernel.api.security.AuthenticationResult.*;
public class BasicAuthSubject implements AuthSubject
{
private final BasicAuthManager authManager;
private User user;
private AuthenticationResult authenticationResult;
private AccessMode.Static accessMode;
public static BasicAuthSubject castOrFail( AuthSubject authSubject )
{
if ( !(authSubject instanceof BasicAuthSubject) )
{
throw new IllegalArgumentException( "Incorrect AuthSubject type " + authSubject.getClass().getTypeName() );
}
return (BasicAuthSubject) authSubject;
}
public BasicAuthSubject( BasicAuthManager authManager, User user, AuthenticationResult authenticationResult )
{
this.authManager = authManager;
this.user = user;
this.authenticationResult = authenticationResult;
switch ( authenticationResult )
{
case SUCCESS:
accessMode = Static.FULL;
break;
case PASSWORD_CHANGE_REQUIRED:
accessMode = Static.CREDENTIALS_EXPIRED;
break;
default:
accessMode = Static.NONE;
}
}
@Override
public void logout()
{
user = null;
authenticationResult = FAILURE;
}
@Override
public AuthenticationResult getAuthenticationResult()
{
return authenticationResult;
}
/**
* Sets a new password for the BasicAuthSubject.
*
* @param password The new password
* @throws IOException If the new user credentials cannot be stored on disk.
* @throws InvalidArgumentsException If password is invalid, e.g. if the new password is the same as the current.
*/
@Override
public void setPassword( String password ) throws IOException, InvalidArgumentsException
{
authManager.setPassword( this, user.name(), password );
// Make user authenticated if successful
if ( authenticationResult == PASSWORD_CHANGE_REQUIRED )
{
authenticationResult = SUCCESS;
accessMode = AccessMode.Static.FULL;
}
}
public BasicAuthManager getAuthManager()
{
return authManager;
}
public boolean doesUsernameMatch( String username )
{
return user.name().equals( username );
}
@Override
public boolean allowsReads()
{
return accessMode.allowsReads();
}
@Override
public boolean allowsWrites()
{
return accessMode.allowsWrites();
}
@Override
public boolean allowsSchemaWrites()
{
return accessMode.allowsSchemaWrites();
}
@Override
public boolean overrideOriginalMode()
{
return false;
}
@Override
public AuthorizationViolationException onViolation( String msg )
{
return accessMode.onViolation( msg );
}
@Override
public String name()
{
return user.name();
}
}