/*
* (non-Javadoc)
* @see
* org.fcrepo.server.security.xacml.pdp.data.PolicyDataManager#getPolicy
* (java.lang.String)
*/
@Override
public AbstractPolicy getPolicy(String name, PolicyFinder policyFinder)
throws PolicyIndexException {
log.debug("Getting document: " + name);
XmlDocument doc = null;
DbXmlManager.readLock.lock();
try {
doc = m_dbXmlManager.container.getDocument(name);
return handleDocument(m_policyReader.readPolicy(doc.getContent()), policyFinder);
} catch (XmlException xe) {
throw new PolicyIndexException(
"Error getting Policy: "
+ name
+ xe.getMessage()
+ " - "
+ xe.getDatabaseException().getMessage(),
xe);
} catch (ParsingException pe) {
throw new PolicyIndexException("Error getting Policy: " + name + pe.getMessage(), pe);
} finally {
DbXmlManager.readLock.unlock();
}
}
/*
* (non-Javadoc)
* @see
* org.fcrepo.server.security.xacml.pdp.data.PolicyDataManager#addPolicy
* (java.lang.String, java.lang.String)
*/
@Override
public String addPolicy(String name, String document) throws PolicyIndexException {
String docName = null;
DbXmlManager.writeLock.lock();
try {
XmlDocument doc = makeDocument(name, document);
docName = doc.getName();
log.debug("Adding document: " + docName);
m_dbXmlManager.container.putDocument(doc, m_dbXmlManager.updateContext);
setLastUpdate(System.currentTimeMillis());
} catch (XmlException xe) {
if (xe.getErrorCode() == XmlException.UNIQUE_ERROR) {
throw new PolicyIndexException("Document already exists: " + docName);
} else {
throw new PolicyIndexException("Error adding policy: " + xe.getMessage(), xe);
}
} finally {
DbXmlManager.writeLock.unlock();
}
return docName;
}
/**
* Creates an instance of an XmlDocument for storage in the database.
*
* @param name the name of the document (policy)
* @param document the document data as a String
* @return the XmlDocument instance
* @throws XmlException
* @throws PolicyStoreException
*/
private XmlDocument makeDocument(String name, String document)
throws XmlException, PolicyIndexException {
Map<String, String> metadata = m_utils.getDocumentMetadata(document.getBytes());
XmlDocument doc = m_dbXmlManager.manager.createDocument();
String docName = name;
if (docName == null || docName.isEmpty()) {
docName = metadata.get("PolicyId");
}
if (docName == null || docName.isEmpty()) {
throw new PolicyIndexException("Could not extract PolicyID from document.");
}
doc.setMetaData("metadata", "PolicyId", new XmlValue(XmlValue.STRING, docName));
doc.setContent(document);
doc.setName(docName);
// FIXME:
// this is probably redundant as the xpath queries now directly query the policy
// for the "any" scenarios
String item = null;
item = metadata.get("anySubject");
if (item != null) {
doc.setMetaData("metadata", "anySubject", new XmlValue(XmlValue.STRING, item));
}
item = metadata.get("anyResource");
if (item != null) {
doc.setMetaData("metadata", "anyResource", new XmlValue(XmlValue.STRING, item));
}
item = metadata.get("anyAction");
if (item != null) {
doc.setMetaData("metadata", "anyAction", new XmlValue(XmlValue.STRING, item));
}
item = metadata.get("anyEnvironment");
if (item != null) {
doc.setMetaData("metadata", "anyEnvironment", new XmlValue(XmlValue.STRING, item));
}
return doc;
}
