/*
* File: SetDatastreamVersionable.java
*
* Copyright 2009 2DC
*
* 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.server.security.xacml.pep.rest.objectshandlers;
import java.io.IOException;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.fcrepo.common.Constants;
import org.fcrepo.server.security.xacml.pdp.data.FedoraPolicyStore;
import org.fcrepo.server.security.xacml.pep.PEPException;
import org.fcrepo.server.security.xacml.pep.ResourceAttributes;
import org.fcrepo.server.security.xacml.pep.rest.filters.AbstractFilter;
import org.fcrepo.server.security.xacml.util.LogUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.sun.xacml.attr.AttributeValue;
import com.sun.xacml.attr.StringAttribute;
import com.sun.xacml.ctx.RequestCtx;
/**
* Handles the SetDatastreamVersionable operation.
*
* @author nish.naidoo@gmail.com
*/
public class SetDatastreamVersionable
extends AbstractFilter {
private static final Logger logger =
LoggerFactory.getLogger(SetDatastreamVersionable.class);
/**
* Default constructor.
*
* @throws PEPException
*/
public SetDatastreamVersionable()
throws PEPException {
super();
}
/*
* (non-Javadoc)
* @see
* org.fcrepo.server.security.xacml.pep.rest.filters.RESTFilter#handleRequest(javax.servlet
* .http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
public RequestCtx handleRequest(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
if (logger.isDebugEnabled()) {
logger.debug("{}/handleRequest!", this.getClass().getName());
}
String versionable = request.getParameter("versionable");
RequestCtx req = null;
Map<URI, AttributeValue> actions = new HashMap<URI, AttributeValue>();
Map<URI, AttributeValue> resAttr;
try {
String[] parts = getPathParts(request);
resAttr = ResourceAttributes.getResources(parts);
if (versionable != null && !"".equals(versionable)) {
resAttr.put(Constants.DATASTREAM.NEW_VERSIONABLE.getURI(),
new StringAttribute(versionable));
}
actions
.put(Constants.ACTION.ID.getURI(),
Constants.ACTION.SET_DATASTREAM_VERSIONABLE
.getStringAttribute());
actions.put(Constants.ACTION.API.getURI(),
Constants.ACTION.APIM.getStringAttribute());
// modifying the FeSL policy datastream requires policy management permissions
String dsID = parts[3];
if (resAttr.containsKey(Constants.DATASTREAM.ID.getURI())){
dsID = resAttr.get(Constants.DATASTREAM.ID.getURI()).toString();
}
if (dsID != null && dsID.equals(FedoraPolicyStore.FESL_POLICY_DATASTREAM)) {
actions.put(Constants.ACTION.ID.getURI(),
Constants.ACTION.MANAGE_POLICIES.getStringAttribute());
}
req =
getContextHandler().buildRequest(getSubjects(request),
actions,
resAttr,
getEnvironment(request));
LogUtil.statLog(request.getRemoteUser(),
Constants.ACTION.SET_DATASTREAM_VERSIONABLE
.uri,
parts[1],
dsID);
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new ServletException(e.getMessage(), e);
}
return req;
}
/*
* (non-Javadoc)
* @see
* org.fcrepo.server.security.xacml.pep.rest.filters.RESTFilter#handleResponse(javax.servlet
* .http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
public RequestCtx handleResponse(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
return null;
}
}