/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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package org.wicketstuff.shiro.example.sprhib.security;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.crypto.hash.Sha256Hash;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.wicketstuff.shiro.example.sprhib.dao.UserDAO;
import org.wicketstuff.shiro.example.sprhib.model.Role;
import org.wicketstuff.shiro.example.sprhib.model.User;
/**
* The Spring/Hibernate sample application's one and only configured Apache Shiro Realm.
*
* <p>
* Because a Realm is really just a security-specific DAO, we could have just made Hibernate calls
* directly in the implementation and named it a 'HibernateRealm' or something similar.
* </p>
*
* <p>
* But we've decided to make the calls to the database using a UserDAO, since a DAO would be used in
* other areas of a 'real' application in addition to here. We felt it better to use that same DAO
* to show code re-use.
* </p>
*/
@Component
public class SampleRealm extends AuthorizingRealm
{
protected UserDAO userDAO = null;
public SampleRealm()
{
setName("SampleRealm"); // This name must match the name in the User class's getPrincipals()
// method
HashedCredentialsMatcher matcher = new HashedCredentialsMatcher();
matcher.setHashAlgorithmName(Sha256Hash.ALGORITHM_NAME);
setCredentialsMatcher(matcher);
}
@Autowired
public void setUserDAO(UserDAO userDAO)
{
this.userDAO = userDAO;
}
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
throws AuthenticationException
{
UsernamePasswordToken token = (UsernamePasswordToken)authcToken;
User user = userDAO.findUser(token.getUsername());
if (user != null)
{
return new SimpleAuthenticationInfo(user.getId(), user.getPassword(), getName());
}
else
{
return null;
}
}
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals)
{
Long userId = (Long)principals.fromRealm(getName()).iterator().next();
User user = userDAO.getUser(userId);
if (user != null)
{
SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
for (Role role : user.getRoles())
{
info.addRole(role.getName());
info.addStringPermissions(role.getPermissions());
}
return info;
}
else
{
return null;
}
}
}