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BasicRolesAuthorizationDelegate.java
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BasicRolesAuthorizationDelegate.java
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/**
* Copyright 2014 DuraSpace, 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 org.fcrepo.auth.roles.basic;
import org.fcrepo.auth.roles.common.AbstractRolesAuthorizationDelegate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Set;
/**
* @author Gregory Jansen
*/
public class BasicRolesAuthorizationDelegate extends AbstractRolesAuthorizationDelegate {
private static final Logger LOGGER = LoggerFactory
.getLogger(BasicRolesAuthorizationDelegate.class);
/*
* (non-Javadoc)
* @see org.fcrepo.auth.roles.AbstractRolesAuthorizationDelegate#rolesHavePermission(final
* String absPath, final String[] actions, final Set<String> roles)
*/
@Override
public boolean rolesHavePermission(final String absPath,
final String[] actions, final Set<String> roles) {
if (roles.isEmpty()) {
LOGGER.debug("A caller without content roles can do nothing in the repository.");
return false;
}
if (roles.contains("admin")) {
LOGGER.debug("Granting an admin role permission to perform any action.");
return true;
}
if (roles.contains("writer")) {
if (absPath.contains(AUTHZ_DETECTION)) {
if (roles.contains("reader") && actions.length == 1 && "read".equals(actions[0])) {
LOGGER.debug("Granting reader role permission to perform a read action.");
return true;
}
LOGGER.debug("Denying writer role permission to perform an action on an ACL node.");
return false;
}
LOGGER.debug("Granting writer role permission to perform any action on a non-ACL node.");
return true;
}
if (roles.contains("reader")) {
if (actions.length == 1 && "read".equals(actions[0])) {
LOGGER.debug("Granting reader role permission to perform a read action.");
return true;
}
LOGGER.debug("Denying reader role permission to perform a non-read action.");
return false;
}
LOGGER.error("There are roles in session that aren't recognized by this authorization delegate: {}",
roles);
return false;
}
}