package org.fcrepo.server.security.xacml.pep;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.Map;
import com.sun.xacml.attr.AnyURIAttribute;
import com.sun.xacml.attr.AttributeValue;
import com.sun.xacml.attr.StringAttribute;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.fcrepo.common.Constants;
/**
* A utility class to hold some static methods used by both the REST and SOAP authZ handlers
*
* @author Benjamin Armintor
*/
public abstract class ResourceAttributes {
private static final Logger logger = LoggerFactory
.getLogger(ResourceAttributes.class);
public static Map<URI, AttributeValue> getRepositoryResources() {
Map<URI, AttributeValue> resAttr = new HashMap<URI, AttributeValue>();
resAttr.put(Constants.OBJECT.PID.getURI(),
Constants.FEDORA_REPOSITORY_PID.getStringAttribute());
resAttr.put(Constants.XACML1_RESOURCE.ID.getURI(),
Constants.FEDORA_REPOSITORY_PID.getURIAttribute());
return resAttr;
}
public static Map<URI, AttributeValue> getResources(String pid) {
Map<URI, AttributeValue> resAttr = new HashMap<URI, AttributeValue>();
if (pid != null && !"".equals(pid)) {
resAttr.put(Constants.OBJECT.PID.getURI(),
new StringAttribute(pid));
try{
resAttr.put(Constants.XACML1_RESOURCE.ID.getURI(),
new AnyURIAttribute(new URI(pid)));
} catch (URISyntaxException e) {
logger.warn("pid {} is not a valid uri; write policies against the StringAttribute {} instead.",
pid,
Constants.OBJECT.PID.uri);
resAttr.put(Constants.XACML1_RESOURCE.ID.getURI(),
new StringAttribute(pid));
}
}
return resAttr;
}
public static Map<URI, AttributeValue> getResources(String[] parts) {
Map<URI, AttributeValue> resAttr;
if (parts.length > 1) {
String pid = parts[1];
if (pid.endsWith(".xml")) pid = pid.substring(0,pid.length()-4);
resAttr = getResources(pid);
if (parts.length > 3){
if ("datastreams".equals(parts[2])) {
String dsID = parts[3];
if (dsID.endsWith(".xml")) dsID = dsID.substring(0,dsID.length()-4);
if (dsID != null && !"".equals(dsID)) {
resAttr.put(Constants.DATASTREAM.ID.getURI(),
new StringAttribute(dsID));
}
}
}
} else {
resAttr = new HashMap<URI, AttributeValue>();
}
return resAttr;
}
}