/* The contents of this file are subject to the license and copyright terms
* detailed in the license directory at the root of the source tree (also
* available online at http://fedora-commons.org/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.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.DateTimeAttribute;
import com.sun.xacml.attr.StringAttribute;
import com.sun.xacml.ctx.RequestCtx;
/**
* Handles REST API method getDissemination
*
* @author Stephen Bayliss
* @version $$Id$$
*/
public class GetDissemination
extends AbstractFilter {
private static final Logger logger =
LoggerFactory.getLogger(GetDissemination.class);
public GetDissemination()
throws PEPException {
super();
}
@Override
public RequestCtx handleRequest(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
if (logger.isDebugEnabled()) {
logger.debug("{}/handleRequest!", this.getClass().getName());
}
String[] parts = getPathParts(request);
if (parts.length < 5) {
logger.error("Not enough path components on the URI: {}", request.getRequestURI());
throw new ServletException("Not enough path components on the URI: " + request.getRequestURI());
}
String pid = parts[1];
String asOfDateTime = request.getParameter("asOfDateTime");
if (!isDate(asOfDateTime)) {
asOfDateTime = null;
}
RequestCtx req = null;
Map<URI, AttributeValue> actions = new HashMap<URI, AttributeValue>();
Map<URI, AttributeValue> resAttr;
try {
resAttr = ResourceAttributes.getResources(pid);
// - /objects/[pid]/methods/[sdef]/[method]
if ("methods".equals(parts[2])) {
String sDefPid = parts[3];
String methodName = parts[4];
if (sDefPid != null && !"".equals(sDefPid)) {
resAttr.put(Constants.SDEF.PID.getURI(),
new StringAttribute(sDefPid));
}
if (methodName != null && !"".equals(methodName)) {
resAttr.put(Constants.DISSEMINATOR.METHOD.getURI(),
new StringAttribute(methodName));
}
}
if (asOfDateTime != null && !"".equals(asOfDateTime)) {
resAttr.put(Constants.DATASTREAM.AS_OF_DATETIME.getURI(),
DateTimeAttribute.getInstance(asOfDateTime));
}
actions.put(Constants.ACTION.ID.getURI(),
Constants.ACTION.GET_DISSEMINATION
.getStringAttribute());
actions.put(Constants.ACTION.API.getURI(),
Constants.ACTION.APIA.getStringAttribute());
req =
getContextHandler().buildRequest(getSubjects(request),
actions,
resAttr,
getEnvironment(request));
LogUtil.statLog(request.getRemoteUser(),
Constants.ACTION.GET_DISSEMINATION.uri,
pid,
null);
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new ServletException(e.getMessage(), e);
}
return req;
}
}