/*
* 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 org.ngrinder.security;
import static org.ngrinder.common.util.TypeConvertUtils.cast;
import java.util.Collection;
import java.util.List;
import org.apache.commons.lang.StringUtils;
import org.ngrinder.model.Role;
import org.ngrinder.model.User;
import org.springframework.security.access.AccessDecisionVoter;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.FilterInvocation;
import org.springframework.stereotype.Component;
/**
* User Switch Recognized Voter for SVN.
*
* @author JunHo Yoon
* @since 3.2
*/
@Component("userSwitchPermissionVoter")
public class UserSwitchPermissionVoter implements AccessDecisionVoter<FilterInvocation> {
@Override
public boolean supports(ConfigAttribute attribute) {
return true;
}
@Override
public boolean supports(Class<?> clazz) {
return clazz.isAssignableFrom(FilterInvocation.class);
}
@Override
public int vote(Authentication authentication, FilterInvocation filter, Collection<ConfigAttribute> attributes) {
if ("anonymousUser".equals(authentication.getPrincipal())) {
return ACCESS_DENIED;
}
if (!(authentication.getPrincipal() instanceof SecuredUser)) {
return ACCESS_DENIED;
}
SecuredUser secureUser = cast(authentication.getPrincipal());
User user = secureUser.getUser();
if (user.getRole() == Role.ADMIN) {
return ACCESS_GRANTED;
}
String realm = StringUtils.split(filter.getHttpRequest().getPathInfo(), '/')[0];
if (secureUser.getUsername().equals(realm)) {
return ACCESS_GRANTED;
} else {
List<User> owners = user.getOwners();
for (User each : owners) {
if (realm.equals(each.getUserId())) {
return ACCESS_GRANTED;
}
}
}
return ACCESS_DENIED;
}
}