public void reloadPolicies()
throws DataAdapterException, CacheSizeExceedCapacityException, PolicySyntaxException,
BuiltInFunctionNotFoundException {
System.out.println("Reloading policies ...");
try {
// update status
status.updateProperty(KEY_RUN_STATUS, STATUS_RUN_RELOADPOLICY);
cacheMgr.policyCache.writeLock();
// clear both result and policy cache
cacheMgr.removeAll();
// reload all policies
loadPolicies();
if (logger.isDebugEnabled()) {
ByteArrayOutputStream out = new ByteArrayOutputStream();
cacheMgr.policyCache.dump(out);
logger.debug(
"=================Dump all Cacheables that current in Policy Cache=================");
logger.debug(
"\nCurrent non-indexed empty target cache size = "
+ cacheMgr.policyCache.emptyTargetCache.size()
+ ".\n"
+ cacheMgr.policyCache.emptyTargetCache
+ "\n"
+ out.toString());
logger.debug(
"=====================================Done=========================================");
}
} finally {
cacheMgr.policyCache.writeUnlock();
status.updateProperty(KEY_RUN_STATUS, STATUS_RUN_RUNING);
}
}
/**
* Initialize the PDP, load policies and cache them, and other things.
*
* @throws CacheSizeExceedCapacityException
* @throws DataAdapterException
* @throws PolicySyntaxException
* @throws ClassNotFoundException
* @throws IOException
* @throws BuiltInFunctionExistsException
* @throws BuiltInFunctionNotFoundException
*/
protected void startPDP()
throws CacheSizeExceedCapacityException, DataAdapterException, PolicySyntaxException,
IOException, ClassNotFoundException, BuiltInFunctionExistsException,
BuiltInFunctionNotFoundException {
// load all functions
funcReg = BuiltInFunctionRegistry.getInstance();
// load all policies
loadPolicies();
if (logger.isDebugEnabled()) {
ByteArrayOutputStream out = new ByteArrayOutputStream();
cacheMgr.policyCache.dump(out);
logger.debug(
"=================Dump all Cacheables that current in Policy Cache=================");
logger.debug(
"\nCurrent non-indexed empty target cache size = "
+ cacheMgr.policyCache.emptyTargetCache.size()
+ ".\n"
+ cacheMgr.policyCache.emptyTargetCache
+ "\n"
+ out.toString());
logger.debug(
"=====================================Done=========================================");
}
// update status
status.updateProperty(KEY_RUN_STATUS, STATUS_RUN_RUNING);
}
/**
* Load all policies from a specific path, return an Iterator of DataAdapter, caller may call
* DataAdapter.getEngineElement method to get the corresponding engine element which is going to
* be evaluated.
*
* @throws ConfigurationException
*/
public DataAdapter[] load() throws DataAdapterException {
try {
policyFilesByID.clear();
Vector<DataAdapter> adapters = new Vector<DataAdapter>();
File dir = new File(path);
if (dir.isDirectory()) {
File[] policyFiles =
dir.listFiles(
new FilenameFilter() {
public boolean accept(File dir, String name) {
if (pattern == null || pattern.length() == 0) {
return true;
} else {
return name.matches(pattern);
}
}
});
System.out.println("Loading policies from '" + dir.toString() + "' ...");
System.out.println("nbre de fichier =" + policyFiles.length);
PDP currentPDP = DataStoreHelper.getPDP(this);
// Retrieve the schema file from given path or classpath, and verify if it exists.
String defaultSchema = null;
try {
defaultSchema = verifySchemaFile(getPolicyDefaultSchema());
} catch (ConfigurationException ce) {
System.err.println("Erreur1 sur schéma xacml " + ce.toString());
throw new DataAdapterException(ce.toString(), ce);
} catch (XMLGeneralException xe) {
System.err.println("Erreur1 sur schéma xacml " + xe.toString());
throw new DataAdapterException(xe.toString(), xe);
}
InputStream in = null;
int actualPolicyNum = 0;
boolean warn = false;
boolean error = false;
System.gc();
long memBegin = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
long begin = System.currentTimeMillis();
System.out.println("boucle des fichiers schema=" + defaultSchema);
for (int i = 0; i < policyFiles.length; i++) {
try {
in = new FileInputStream(policyFiles[i]);
Element root = parse(in, defaultSchema);
// check if there are duplicated policy IDs in different files
URI policyId = getPolicyOrPolicySetId(root);
if (policyFilesByID.get(policyId) != null) {
throw new DataAdapterException(
"The policy loaded from '"
+ policyFiles[i]
+ "' with ID<"
+ policyId
+ "> already exists.");
}
// This is used to build up a URI->Policy File index. The index will be used in
// load(URI[])
// method.
policyFilesByID.put(policyId, policyFiles[i]);
DataAdapter da = createPolicyDataAdapterFromXMLElement(root);
// We may use configuration of PDP in engine element.
((AbstractPolicy) da.getEngineElement()).setOwnerPDP(currentPDP);
adapters.add(da);
// 10 policies one dot, 1000 policies one line
actualPolicyNum++;
if (actualPolicyNum % 10 == 0) {
System.out.print(".");
}
if (actualPolicyNum % 1000 == 0 && i < policyFiles.length - 1) {
System.out.println();
}
// Check if loaded policy is correct
if (logger.isDebugEnabled()) {
try {
// Create a new dataAdapter, do not use the loaded one, since it holds the original
// XML element. We should use the one data adapter generated.
XACMLElement engineElem = da.getEngineElement();
Constructor<?> cons = da.getClass().getConstructor(XACMLElement.class);
DataAdapter daGenFromEngineElem = (DataAdapter) cons.newInstance(engineElem);
logger.debug(
"Dump policy loaded from '"
+ policyFiles[i]
+ "': "
+ getNodeXMLText((Element) daGenFromEngineElem.getDataStoreObject()));
} catch (Exception debugEx) {
logger.debug("Dump policy failed due to: ", debugEx);
}
}
} catch (Exception e) {
if (e instanceof XMLGeneralException || e instanceof PolicySyntaxException) {
logger.warn(
"Could not load file '"
+ policyFiles[i]
+ "' since it should not be a valid policy file.",
e);
warn = true;
} else if (e instanceof DataAdapterException) {
throw e;
} else {
logger.error("Error occurs when parsing policy file : " + policyFiles[i], e);
error = true;
}
} finally {
try {
in.close();
} catch (Exception ex) {
}
}
}
// Print some hints
if (actualPolicyNum > 0) {
long end = System.currentTimeMillis();
System.gc();
long memEnd = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
System.out.println(
"\n"
+ actualPolicyNum
+ " policies loaded. "
+ "Time elapsed "
+ (end - begin) / 1000
+ " second. "
+ "Memory used "
+ (memEnd - memBegin) / 1024 / 1024
+ " MB.");
if (error || warn) {
System.out.println(
"There are "
+ (error ? "errors" : "warnings")
+ " occur while loading policies, please check log file for details.");
}
}
}
return adapters.toArray(new DataAdapter[0]);
} catch (DataAdapterException daEx) {
throw daEx;
} catch (Exception ex) {
throw new DataAdapterException("Failed to get default policy schema from configuration.", ex);
}
}
