/*
* Copyright 2012 Nodeable Inc
*
* Licensed 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 under the License.
*/
package com.streamreduce.security.realm;
import com.streamreduce.core.dao.UserDAO;
import com.streamreduce.core.model.Role;
import com.streamreduce.core.model.User;
import java.util.Collection;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.bson.types.ObjectId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
public abstract class NodeableAuthorizingRealm extends AuthorizingRealm {
@Autowired
protected UserDAO userDAO;
protected transient Logger logger = LoggerFactory.getLogger(getClass());
protected NodeableAuthorizingRealm() {
}
@SuppressWarnings("rawtypes")
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
String name = getName();
Collection c = principals.fromRealm(name);
if (c.size() < 1) {
return null;
}
ObjectId userId = (ObjectId) c.iterator().next();
User user = userDAO.get(userId);
if (user != null) {
SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
for (Role role : user.getRoles()) {
logger.debug("Add Role of " + role.getName() + " to user " + user.getUsername());
info.addRole(role.getName());
info.addStringPermissions(role.getPermissions());
}
return info;
} else {
return null;
}
}
}