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|
/*-
* ============LICENSE_START=======================================================
* ONAP-PAP-REST
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.pap.xacml.rest;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.ConnectException;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLDecoder;
import java.net.UnknownHostException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Properties;
import java.util.Scanner;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.persistence.PersistenceException;
import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.IOUtils;
import org.onap.policy.common.ia.IntegrityAudit;
import org.onap.policy.common.im.AdministrativeStateException;
import org.onap.policy.common.im.ForwardProgressException;
import org.onap.policy.common.im.IntegrityMonitor;
import org.onap.policy.common.im.IntegrityMonitorException;
import org.onap.policy.common.im.IntegrityMonitorProperties;
import org.onap.policy.common.im.StandbyStatusException;
import org.onap.policy.common.logging.ONAPLoggingContext;
import org.onap.policy.common.logging.ONAPLoggingUtils;
import org.onap.policy.common.logging.eelf.MessageCodes;
import org.onap.policy.common.logging.eelf.PolicyLogger;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.pap.xacml.rest.components.PolicyDBDao;
import org.onap.policy.pap.xacml.rest.components.PolicyDBDaoTransaction;
import org.onap.policy.pap.xacml.rest.handler.APIRequestHandler;
import org.onap.policy.pap.xacml.rest.handler.PushPolicyHandler;
import org.onap.policy.pap.xacml.rest.handler.SavePolicyHandler;
import org.onap.policy.pap.xacml.restAuth.CheckPDP;
import org.onap.policy.rest.XACMLRest;
import org.onap.policy.rest.XACMLRestProperties;
import org.onap.policy.rest.dao.PolicyDBException;
import org.onap.policy.utils.CryptoUtils;
import org.onap.policy.utils.PolicyUtils;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import org.onap.policy.xacml.api.pap.ONAPPapEngineFactory;
import org.onap.policy.xacml.api.pap.OnapPDP;
import org.onap.policy.xacml.api.pap.OnapPDPGroup;
import org.onap.policy.xacml.api.pap.PAPPolicyEngine;
import org.onap.policy.xacml.std.pap.StdPDP;
import org.onap.policy.xacml.std.pap.StdPDPGroup;
import org.onap.policy.xacml.std.pap.StdPDPItemSetChangeNotifier.StdItemSetChangeListener;
import org.onap.policy.xacml.std.pap.StdPDPPolicy;
import org.onap.policy.xacml.std.pap.StdPDPStatus;
import com.att.research.xacml.api.pap.PAPException;
import com.att.research.xacml.api.pap.PDPPolicy;
import com.att.research.xacml.api.pap.PDPStatus;
import com.att.research.xacml.util.FactoryException;
import com.att.research.xacml.util.XACMLProperties;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Splitter;
/**
* Servlet implementation class XacmlPapServlet
*/
@WebServlet(
description = "Implements the XACML PAP RESTful API.",
urlPatterns = { "/" },
loadOnStartup=1,
initParams = {
@WebInitParam(name = "XACML_PROPERTIES_NAME", value = "xacml.pap.properties", description = "The location of the properties file holding configuration information.")
})
public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeListener, Runnable {
private static final long serialVersionUID = 1L;
private static final Logger LOGGER = FlexLogger.getLogger(XACMLPapServlet.class);
// audit (transaction) LOGGER
private static final Logger auditLogger = FlexLogger.getLogger("auditLogger");
//Persistence Unit for JPA
private static final String PERSISTENCE_UNIT = "XACML-PAP-REST";
private static final String AUDIT_PAP_PERSISTENCE_UNIT = "auditPapPU";
// Client Headers.
private static final String ENVIRONMENT_HEADER = "Environment";
private static final String ADD_GROUP_ERROR = "addGroupError";
private static final String PERSISTENCE_JDBC_PWD = "javax.persistence.jdbc.password";
private static final String REGEX = "[0-9a-zA-Z._ ]*";
/*
* List of Admin Console URLs.
* Used to send notifications when configuration changes.
*
* The CopyOnWriteArrayList *should* protect from concurrency errors.
* This list is seldom changed but often read, so the costs of this approach make sense.
*/
private static final CopyOnWriteArrayList<String> adminConsoleURLStringList = new CopyOnWriteArrayList<>();
private static String configHome;
private static String actionHome;
/*
* This PAP instance's own URL.
* Need this when creating URLs to send to the PDPs so they can GET the Policy files from this process.
*/
private static String papURL = null;
// The heartbeat thread.
private static Heartbeat heartbeat = null;
private static Thread heartbeatThread = null;
//The entity manager factory for JPA access
private static EntityManagerFactory emf;
private static PolicyDBDao policyDBDao;
/*
* papEngine - This is our engine workhorse that manages the PDP Groups and Nodes.
*/
private static PAPPolicyEngine papEngine = null;
/*
* These are the parameters needed for DB access from the PAP
*/
private static int papIntegrityAuditPeriodSeconds = -1;
private static String papDbDriver = null;
private static String papDbUrl = null;
private static String papDbUser = null;
private static String papDbPassword = null;
private static String papResourceName = null;
private static String[] papDependencyGroupsFlatArray = null;
private static String environment = null;
private static String pdpFile = null;
private transient IntegrityMonitor im;
private transient IntegrityAudit ia;
//MicroService Model Properties
private static String msOnapName;
private static String msPolicyName;
/*
* This thread may be invoked upon startup to initiate sending PDP policy/pip configuration when
* this servlet starts. Its configurable by the admin.
*/
private static transient Thread initiateThread = null;
private transient ONAPLoggingContext baseLoggingContext = null;
/**
* @see HttpServlet#HttpServlet()
*/
public XACMLPapServlet() {
super();
}
/**
* @see Servlet#init(ServletConfig)
*/
public void init(ServletConfig config) throws ServletException {
try {
// Logging
baseLoggingContext = new ONAPLoggingContext();
// fixed data that will be the same in all logging output goes here
try {
String hostname = InetAddress.getLocalHost().getCanonicalHostName();
baseLoggingContext.setServer(hostname);
} catch (UnknownHostException e) {
LOGGER.warn(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Unable to get hostname for logging", e);
}
// Initialize
XACMLRest.xacmlInit(config);
// Load the properties
XACMLRest.loadXacmlProperties(null, null);
/*
* Retrieve the property values
*/
setCommonProperties();
String papSiteName = XACMLProperties.getProperty(XACMLRestProperties.PAP_SITE_NAME);
if(papSiteName == null){
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE,"XACMLPapServlet", " ERROR: Bad papSiteName property entry");
throw new PAPException("papSiteName is null");
}
String papNodeType = XACMLProperties.getProperty(XACMLRestProperties.PAP_NODE_TYPE);
if(papNodeType == null){
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE,"XACMLPapServlet", " ERROR: Bad papNodeType property entry");
throw new PAPException("papNodeType is null");
}
//Integer will throw an exception of anything is missing or unrecognized
int papTransWait = Integer.parseInt(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_TRANS_WAIT));
int papTransTimeout = Integer.parseInt(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_TRANS_TIMEOUT));
int papAuditTimeout = Integer.parseInt(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_AUDIT_TIMEOUT));
//Boolean will default to false if anything is missing or unrecognized
boolean papAuditFlag = Boolean.parseBoolean(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_RUN_AUDIT_FLAG));
boolean papFileSystemAudit = Boolean.parseBoolean(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_AUDIT_FLAG));
String papDependencyGroups = XACMLProperties.getProperty(XACMLRestProperties.PAP_DEPENDENCY_GROUPS);
if(papDependencyGroups == null){
throw new PAPException("papDependencyGroups is null");
}
setPAPDependencyGroups(papDependencyGroups);
//Integer will throw an exception of anything is missing or unrecognized
int fpMonitorInterval = Integer.parseInt(XACMLProperties.getProperty(IntegrityMonitorProperties.FP_MONITOR_INTERVAL));
int failedCounterThreshold = Integer.parseInt(XACMLProperties.getProperty(IntegrityMonitorProperties.FAILED_COUNTER_THRESHOLD));
int testTransInterval = Integer.parseInt(XACMLProperties.getProperty(IntegrityMonitorProperties.TEST_TRANS_INTERVAL));
int writeFpcInterval = Integer.parseInt(XACMLProperties.getProperty(IntegrityMonitorProperties.WRITE_FPC_INTERVAL));
LOGGER.debug("\n\n\n**************************************"
+ "\n*************************************"
+ "\n"
+ "\n papDbDriver = " + papDbDriver
+ "\n papDbUrl = " + papDbUrl
+ "\n papDbUser = " + papDbUser
+ "\n papTransWait = " + papTransWait
+ "\n papTransTimeout = " + papTransTimeout
+ "\n papAuditTimeout = " + papAuditTimeout
+ "\n papAuditFlag = " + papAuditFlag
+ "\n papFileSystemAudit = " + papFileSystemAudit
+ "\n papResourceName = " + papResourceName
+ "\n fpMonitorInterval = " + fpMonitorInterval
+ "\n failedCounterThreshold = " + failedCounterThreshold
+ "\n testTransInterval = " + testTransInterval
+ "\n writeFpcInterval = " + writeFpcInterval
+ "\n papSiteName = " + papSiteName
+ "\n papNodeType = " + papNodeType
+ "\n papDependencyGroupsList = " + papDependencyGroups
+ "\n papIntegrityAuditPeriodSeconds = " + papIntegrityAuditPeriodSeconds
+ "\n\n*************************************"
+ "\n**************************************");
// Pull custom persistence settings
Properties properties;
try {
properties = XACMLProperties.getProperties();
LOGGER.debug("\n\n\n**************************************"
+ "\n**************************************"
+ "\n\n"
+ "properties = " + properties
+ "\n\n**************************************");
} catch (IOException e) {
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE, e, "XACMLPapServlet", " Error loading properties with: "
+ "XACMLProperties.getProperties()");
throw new ServletException(e.getMessage(), e.getCause());
}
// Create an IntegrityMonitor
if(properties.getProperty(PERSISTENCE_JDBC_PWD) != null ){
properties.setProperty(PERSISTENCE_JDBC_PWD, CryptoUtils.decryptTxtNoExStr(properties.getProperty(PERSISTENCE_JDBC_PWD, "")));
}
im = IntegrityMonitor.getInstance(papResourceName,properties);
// Create an IntegrityAudit
ia = new IntegrityAudit(papResourceName, AUDIT_PAP_PERSISTENCE_UNIT, properties);
ia.startAuditThread();
// Create the entity manager factory
setEMF(properties);
// we are about to call the PDPs and give them their configuration.
// To do that we need to have the URL of this PAP so we can construct the Policy file URLs
setPAPURL(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_URL));
//Create the policyDBDao
setPolicyDBDao();
// Load our PAP engine, first create a factory
ONAPPapEngineFactory factory = ONAPPapEngineFactory.newInstance(XACMLProperties.getProperty(XACMLProperties.PROP_PAP_PAPENGINEFACTORY));
// The factory knows how to go about creating a PAP Engine
setPAPEngine((PAPPolicyEngine) factory.newEngine());
PolicyDBDaoTransaction addNewGroup = null;
if (((org.onap.policy.xacml.std.pap.StdEngine) papEngine).wasDefaultGroupJustAdded) {
try {
addNewGroup = policyDBDao.getNewTransaction();
OnapPDPGroup group = papEngine.getDefaultGroup();
addNewGroup.createGroup(group.getId(), group.getName(), group.getDescription(),
"automaticallyAdded");
addNewGroup.commitTransaction();
addNewGroup = policyDBDao.getNewTransaction();
addNewGroup.changeDefaultGroup(group, "automaticallyAdded");
addNewGroup.commitTransaction();
} catch (Exception e) {
PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, e, "XACMLPapServlet",
" Error creating new default group in the database");
if (addNewGroup != null) {
addNewGroup.rollbackTransaction();
}
}
}
policyDBDao.setPapEngine((PAPPolicyEngine) XACMLPapServlet.papEngine);
if (Boolean.parseBoolean(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_RUN_AUDIT_FLAG))){
/*
* Auditing the local File System groups to be in sync with the Database
*/
//get an AuditTransaction to lock out all other transactions
PolicyDBDaoTransaction auditTrans = policyDBDao.getNewAuditTransaction();
LOGGER.info("PapServlet: calling auditLocalFileSystem for PDP group audit");
LOGGER.info("PapServlet: old group is " + papEngine.getDefaultGroup().toString());
//get the current filesystem group and update from the database if needed
StdPDPGroup group = (StdPDPGroup) papEngine.getDefaultGroup();
StdPDPGroup updatedGroup = policyDBDao.auditLocalFileSystem(group);
if(updatedGroup!=null) {
papEngine.updateGroup(updatedGroup);
}
LOGGER.info("PapServlet: updated group is " + papEngine.getDefaultGroup().toString());
//release the transaction lock
auditTrans.close();
}
// Sanity check for URL.
if (XACMLPapServlet.papURL == null) {
throw new PAPException("The property " + XACMLRestProperties.PROP_PAP_URL + " is not valid: " + XACMLPapServlet.papURL);
}
// Configurable - have the PAP servlet initiate sending the latest PDP policy/pip configuration
// to all its known PDP nodes.
if (Boolean.parseBoolean(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_INITIATE_PDP_CONFIG))) {
startInitiateThreadService(new Thread(this));
}
// After startup, the PAP does Heartbeat's to each of the PDPs periodically
startHeartBeatService(new Heartbeat((PAPPolicyEngine) XACMLPapServlet.papEngine));
} catch (FactoryException | PAPException e) {
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Failed to create engine");
throw new ServletException (XACMLErrorConstants.ERROR_SYSTEM_ERROR + "PAP not initialized; error: "+e);
} catch (Exception e) {
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Failed to create engine - unexpected error");
throw new ServletException (XACMLErrorConstants.ERROR_SYSTEM_ERROR + "PAP not initialized; unexpected error: "+e);
}
}
private static void startInitiateThreadService(Thread thread) {
initiateThread = thread;
initiateThread.start();
}
private static void mapperWriteValue(ObjectMapper mapper, HttpServletResponse response, Object value) {
try {
mapper.writeValue(response.getOutputStream(), value);
} catch (Exception e) {
LOGGER.error(e);
}
}
private static void startHeartBeatService(Heartbeat heartbeat) {
XACMLPapServlet.heartbeat = heartbeat;
XACMLPapServlet.heartbeatThread = new Thread(XACMLPapServlet.heartbeat);
XACMLPapServlet.heartbeatThread.start();
}
private static void setPolicyDBDao() throws ServletException {
try {
policyDBDao = PolicyDBDao.getPolicyDBDaoInstance(getEmf());
} catch (Exception e) {
throw new ServletException("Unable to Create Policy DBDao Instance",e);
}
}
private static void setEMF(Properties properties) throws ServletException {
emf = Persistence.createEntityManagerFactory(PERSISTENCE_UNIT, properties);
if (emf == null) {
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " Error creating entity manager factory with persistence unit: "
+ PERSISTENCE_UNIT);
throw new ServletException("Unable to create Entity Manager Factory");
}
}
private static void setPAPURL(String papURL) {
XACMLPapServlet.papURL = papURL;
}
private static void setPAPEngine(PAPPolicyEngine newEngine) {
XACMLPapServlet.papEngine = newEngine;
}
private static void setPAPDependencyGroups(String papDependencyGroups) throws PAPException {
try{
//Now we have flattened the array into a simple comma-separated list
papDependencyGroupsFlatArray = papDependencyGroups.split("[;,]");
//clean up the entries
for (int i = 0 ; i < papDependencyGroupsFlatArray.length ; i ++){
papDependencyGroupsFlatArray[i] = papDependencyGroupsFlatArray[i].trim();
}
try{
if(XACMLProperties.getProperty(XACMLRestProperties.PAP_INTEGRITY_AUDIT_PERIOD_SECONDS) != null){
papIntegrityAuditPeriodSeconds = Integer.parseInt(XACMLProperties.getProperty(XACMLRestProperties.PAP_INTEGRITY_AUDIT_PERIOD_SECONDS).trim());
}
}catch(Exception e){
String msg = "integrity_audit_period_seconds ";
LOGGER.error("\n\nERROR: " + msg + "Bad property entry: " + e.getMessage() + "\n");
PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, e, "XACMLPapServlet", " ERROR: " + msg +"Bad property entry");
throw e;
}
}catch(Exception e){
PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, e, "XACMLPapServlet", " ERROR: Bad property entry");
throw new PAPException(e);
}
}
private static void setCommonProperties() throws PAPException {
setConfigHome();
setActionHome();
papDbDriver = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_DRIVER);
if(papDbDriver == null){
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE,"XACMLPapServlet", " ERROR: Bad papDbDriver property entry");
throw new PAPException("papDbDriver is null");
}
setPapDbDriver(papDbDriver);
papDbUrl = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_URL);
if(papDbUrl == null){
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE,"XACMLPapServlet", " ERROR: Bad papDbUrl property entry");
throw new PAPException("papDbUrl is null");
}
setPapDbUrl(papDbUrl);
papDbUser = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_USER);
if(papDbUser == null){
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE,"XACMLPapServlet", " ERROR: Bad papDbUser property entry");
throw new PAPException("papDbUser is null");
}
setPapDbUser(papDbUser);
papDbPassword = CryptoUtils.decryptTxtNoExStr(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_PASSWORD, ""));
if(papDbPassword == null){
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE,"XACMLPapServlet", " ERROR: Bad papDbPassword property entry");
throw new PAPException("papDbPassword is null");
}
setPapDbPassword(papDbPassword);
papResourceName = XACMLProperties.getProperty(XACMLRestProperties.PAP_RESOURCE_NAME);
if(papResourceName == null){
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE,"XACMLPapServlet", " ERROR: Bad papResourceName property entry");
throw new PAPException("papResourceName is null");
}
environment = XACMLProperties.getProperty("ENVIRONMENT", "DEVL");
//Micro Service Properties
msOnapName=XACMLProperties.getProperty("xacml.policy.msOnapName");
setMsOnapName(msOnapName);
msPolicyName=XACMLProperties.getProperty("xacml.policy.msPolicyName");
setMsPolicyName(msPolicyName);
// PDPId File location
XACMLPapServlet.pdpFile = XACMLProperties.getProperty(XACMLRestProperties.PROP_PDP_IDFILE);
if (XACMLPapServlet.pdpFile == null) {
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " The PDP Id Authentication File Property is not valid: "
+ XACMLRestProperties.PROP_PDP_IDFILE);
throw new PAPException("The PDP Id Authentication File Property :"+ XACMLRestProperties.PROP_PDP_IDFILE+ " is not Valid. ");
}
}
/**
* Thread used only during PAP startup to initiate change messages to all known PDPs.
* This must be on a separate thread so that any GET requests from the PDPs during this update can be serviced.
*/
@Override
public void run() {
// send the current configuration to all the PDPs that we know about
changed();
}
/**
* @see Servlet#destroy()
*
* Depending on how this servlet is run, we may or may not care about cleaning up the resources.
* For now we assume that we do care.
*/
@Override
public void destroy() {
// Make sure our threads are destroyed
if (XACMLPapServlet.heartbeatThread != null) {
// stop the heartbeat
try {
if (XACMLPapServlet.heartbeat != null) {
XACMLPapServlet.heartbeat.terminate();
}
XACMLPapServlet.heartbeatThread.interrupt();
XACMLPapServlet.heartbeatThread.join();
} catch (InterruptedException e) {
XACMLPapServlet.heartbeatThread.interrupt();
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Error stopping heartbeat");
}
}
if (initiateThread != null) {
try {
initiateThread.interrupt();
initiateThread.join();
} catch (InterruptedException e) {
initiateThread.interrupt();
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Error stopping thread");
}
}
}
/**
* Called by:
* - PDP nodes to register themselves with the PAP, and
* - Admin Console to make changes in the PDP Groups.
*
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
ONAPLoggingContext loggingContext = ONAPLoggingUtils.getLoggingContextForRequest(request, baseLoggingContext);
loggingContext.transactionStarted();
loggingContext.setServiceName("PAP.post");
if ((loggingContext.getRequestID() == null) || (loggingContext.getRequestID() == "")){
UUID requestID = UUID.randomUUID();
loggingContext.setRequestID(requestID.toString());
PolicyLogger.info("requestID not provided in call to XACMLPapSrvlet (doPost) so we generated one");
} else {
PolicyLogger.info("requestID was provided in call to XACMLPapSrvlet (doPost)");
}
PolicyDBDaoTransaction pdpTransaction = null;
loggingContext.metricStarted();
try {
im.startTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPost im startTransaction");
} catch (AdministrativeStateException ae){
String message = "POST interface called for PAP " + papResourceName + " but it has an Administrative"
+ " state of " + im.getStateManager().getAdminState()
+ "\n Exception Message: " + PolicyUtils.CATCH_EXCEPTION;
LOGGER.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message, ae);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPost im startTransaction");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
}catch (StandbyStatusException se) {
String message = "POST interface called for PAP " + papResourceName + " but it has a Standby Status"
+ " of " + im.getStateManager().getStandbyStatus()
+ "\n Exception Message: " + se.getMessage();
LOGGER.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message, se);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPost im startTransaction");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
} catch (IntegrityMonitorException e) {
String message = "POST interface called for PAP " + papResourceName + " but an exception occurred"
+ "\n Exception Message: " + e.getMessage();
LOGGER.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message, e);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPost im startTransaction");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
}
try {
loggingContext.metricStarted();
XACMLRest.dumpRequest(request);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPost dumpRequest");
// since getParameter reads the content string, explicitly get the content before doing that.
// Simply getting the inputStream seems to protect it against being consumed by getParameter.
request.getInputStream();
String groupId = request.getParameter("groupId");
String apiflag = request.getParameter("apiflag");
if(groupId != null) {
// Is this from the Admin Console or API?
if(apiflag!=null && apiflag.equalsIgnoreCase("api")) {
// this is from the API so we need to check the client credentials before processing the request
if(!authorizeRequest(request)){
String message = "PEP not Authorized for making this Request!!";
PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_FORBIDDEN, message);
im.endTransaction();
return;
}
}
loggingContext.metricStarted();
doACPost(request, response, groupId, loggingContext);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPost doACPost");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
// Request is from a PDP asking for its config.
loggingContext.setServiceName("PDP:PAP.register");
// Get the PDP's ID
String id = this.getPDPID(request);
String jmxport = this.getPDPJMX(request);
LOGGER.info("Request(doPost) from PDP coming up: " + id);
// Get the PDP Object
OnapPDP pdp = XACMLPapServlet.papEngine.getPDP(id);
// Is it known?
if (pdp == null) {
LOGGER.info("Unknown PDP: " + id);
// Check PDP ID
if(CheckPDP.validateID(id)){
pdpTransaction = policyDBDao.getNewTransaction();
try {
pdpTransaction.addPdpToGroup(id, XACMLPapServlet.papEngine.getDefaultGroup().getId(), id, "Registered on first startup", Integer.parseInt(jmxport), "PDP autoregister");
XACMLPapServlet.papEngine.newPDP(id, XACMLPapServlet.papEngine.getDefaultGroup(), id, "Registered on first startup", Integer.parseInt(jmxport));
} catch (NullPointerException | PAPException | IllegalArgumentException | IllegalStateException | PersistenceException | PolicyDBException e) {
pdpTransaction.rollbackTransaction();
String message = "Failed to create new PDP for id: " + id;
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
im.endTransaction();
return;
}
// get the PDP we just created
try{
pdp = XACMLPapServlet.papEngine.getPDP(id);
}catch(PAPException e){
LOGGER.error(e);
}
if (pdp == null) {
if(pdpTransaction != null){
pdpTransaction.rollbackTransaction();
}
String message = "Failed to create new PDP for id: " + id;
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
im.endTransaction();
return;
}
} else {
String message = "PDP is Unauthorized to Connect to PAP: "+ id;
loggingContext.transactionEnded();
PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + " " + message);
setResponseError(response, HttpServletResponse.SC_UNAUTHORIZED, "PDP not Authorized to connect to this PAP. Please contact the PAP Admin for registration.");
PolicyLogger.audit("Transaction Failed - See Error.log");
im.endTransaction();
return;
}
try{
loggingContext.metricStarted();
pdpTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPost commitTransaction");
} catch(Exception e){
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", "Could not commit transaction to put pdp in the database");
}
}
if (jmxport != null && jmxport != ""){
try{
((StdPDP) pdp).setJmxPort(Integer.valueOf(jmxport));
}catch(NumberFormatException e){
LOGGER.error(e);
}
}
// Get the PDP's Group
OnapPDPGroup group =null;
try{
group= XACMLPapServlet.papEngine.getPDPGroup((OnapPDP) pdp);
}catch(PAPException e){
LOGGER.error(e);
}
if (group == null) {
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW + " PDP not associated with any group, even the default");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_UNAUTHORIZED, "PDP not associated with any group, even the default");
im.endTransaction();
return;
}
// Determine what group the PDP node is in and get
// its policy/pip properties.
Properties policies = group.getPolicyProperties();
Properties pipconfig = group.getPipConfigProperties();
// Get the current policy/pip configuration that the PDP has
Properties pdpProperties = new Properties();
try{
pdpProperties.load(request.getInputStream());
}catch(IOException e){
LOGGER.error(e);
}
LOGGER.info("PDP Current Properties: " + pdpProperties.toString());
LOGGER.info("Policies: " + (policies != null ? policies.toString() : "null"));
LOGGER.info("Pip config: " + (pipconfig != null ? pipconfig.toString() : "null"));
// Validate the node's properties
boolean isCurrent = this.isPDPCurrent(policies, pipconfig, pdpProperties);
// Send back current configuration
if (isCurrent == false) {
// Tell the PDP we are sending back the current policies/pip config
LOGGER.info("PDP configuration NOT current.");
if (policies != null) {
// Put URL's into the properties in case the PDP needs to
// retrieve them.
this.populatePolicyURL(request.getRequestURL(), policies);
// Copy the properties to the output stream
try{
policies.store(response.getOutputStream(), "");
}catch(IOException e){
LOGGER.error(e);
}
}
if (pipconfig != null) {
// Copy the properties to the output stream
try{
pipconfig.store(response.getOutputStream(), "");
}catch(IOException e){
LOGGER.error(e);
}
}
// We are good - and we are sending them information
response.setStatus(HttpServletResponse.SC_OK);
try{
setPDPSummaryStatus(pdp, PDPStatus.Status.OUT_OF_SYNCH);
}catch(PAPException e){
LOGGER.error(e);
}
} else {
// Tell them they are good
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
try{
setPDPSummaryStatus(pdp, PDPStatus.Status.UP_TO_DATE);
}catch(PAPException e){
LOGGER.error(e);
}
}
// tell the AC that something changed
loggingContext.metricStarted();
notifyAC();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPost notifyAC");
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
} catch (PAPException | IOException | NumberFormatException e) {
if(pdpTransaction != null){
pdpTransaction.rollbackTransaction();
}
LOGGER.debug(XACMLErrorConstants.ERROR_PROCESS_FLOW + "POST exception: " + e, e);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
im.endTransaction();
return;
}
//Catch anything that fell through
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended");
im.endTransaction();
}
private void setResponseError(HttpServletResponse response,int responseCode, String message) {
try {
if(message != null && !message.isEmpty()){
response.sendError(responseCode, message);
}
} catch (IOException e) {
LOGGER.error("Error setting Error response Header ", e);
}
return;
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
ONAPLoggingContext loggingContext = ONAPLoggingUtils.getLoggingContextForRequest(request, baseLoggingContext);
loggingContext.transactionStarted();
loggingContext.setServiceName("PAP.get");
if ((loggingContext.getRequestID() == null) || (loggingContext.getRequestID() == "")){
UUID requestID = UUID.randomUUID();
loggingContext.setRequestID(requestID.toString());
PolicyLogger.info("requestID not provided in call to XACMLPapSrvlet (doGet) so we generated one");
} else {
PolicyLogger.info("requestID was provided in call to XACMLPapSrvlet (doGet)");
}
try {
loggingContext.metricStarted();
XACMLRest.dumpRequest(request);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doGet dumpRequest");
String pathInfo = request.getRequestURI();
LOGGER.info("path info: " + pathInfo);
if (pathInfo != null){
//DO NOT do a im.startTransaction for the test request
if (pathInfo.equals("/pap/test")) {
try {
testService(loggingContext, response);
} catch (IOException e) {
LOGGER.debug(e);
}
return;
}
}
//This im.startTransaction() covers all other Get transactions
try {
loggingContext.metricStarted();
im.startTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doGet im startTransaction");
} catch (AdministrativeStateException ae){
String message = "GET interface called for PAP " + papResourceName + " but it has an Administrative"
+ " state of " + im.getStateManager().getAdminState()
+ "\n Exception Message: " + ae.getMessage();
LOGGER.info(message, ae);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
}catch (StandbyStatusException se) {
String message = "GET interface called for PAP " + papResourceName + " but it has a Standby Status"
+ " of " + im.getStateManager().getStandbyStatus()
+ "\n Exception Message: " + se.getMessage();
LOGGER.info(message, se);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
} catch (IntegrityMonitorException e) {
String message = "GET interface called for PAP " + papResourceName + " but an exception occurred"
+ "\n Exception Message: " + e.getMessage();
LOGGER.info(message, e);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
}
// Request from the API to get the gitPath
String apiflag = request.getParameter("apiflag");
if (apiflag!=null) {
if(authorizeRequest(request)){
APIRequestHandler apiRequestHandler = new APIRequestHandler();
try{
loggingContext.metricStarted();
apiRequestHandler.doGet(request,response, apiflag);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doGet apiRequestHandler doGet");
}catch(IOException e){
LOGGER.error(e);
}
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
} else {
String message = "PEP not Authorized for making this Request!! \n Contact Administrator for this Scope. ";
PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_FORBIDDEN, message);
im.endTransaction();
return;
}
}
// Is this from the Admin Console?
String groupId = request.getParameter("groupId");
if (groupId != null) {
// this is from the Admin Console, so handle separately
try{
loggingContext.metricStarted();
doACGet(request, response, groupId, loggingContext);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doGet doACGet");
} catch(IOException e){
LOGGER.error(e);
}
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
// Get the PDP's ID
String id = this.getPDPID(request);
LOGGER.info("doGet from: " + id);
// Get the PDP Object
OnapPDP pdp = null;
try{
pdp = XACMLPapServlet.papEngine.getPDP(id);
}catch(PAPException e){
LOGGER.error(e);
}
// Is it known?
if (pdp == null) {
// Check if request came from localhost
if (request.getRemoteHost().equals("localhost") ||
request.getRemoteHost().equals(request.getLocalAddr())) {
// Return status information - basically all the groups
loggingContext.setServiceName("PAP.getGroups");
Set<OnapPDPGroup> groups = papEngine.getOnapPDPGroups();
// convert response object to JSON and include in the response
mapperWriteValue(new ObjectMapper(), response, groups);
response.setHeader("content-type", "application/json");
response.setStatus(HttpServletResponse.SC_OK);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
String message = "Unknown PDP: " + id + " from " + request.getRemoteHost() + " us: " + request.getLocalAddr();
PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_UNAUTHORIZED, message);
im.endTransaction();
return;
}
loggingContext.setServiceName("PAP.getPolicy");
// Get the PDP's Group
OnapPDPGroup group = null;
try {
group = XACMLPapServlet.papEngine.getPDPGroup((OnapPDP) pdp);
} catch (PAPException e) {
LOGGER.error(e);
}
if (group == null) {
String message = "No group associated with pdp " + pdp.getId();
LOGGER.warn(XACMLErrorConstants.ERROR_PERMISSIONS + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response, HttpServletResponse.SC_UNAUTHORIZED, message);
im.endTransaction();
return;
}
// Which policy do they want?
String policyId = request.getParameter("id");
if (policyId == null) {
String message = "Did not specify an id for the policy";
LOGGER.warn(XACMLErrorConstants.ERROR_DATA_ISSUE + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_NOT_FOUND, message);
im.endTransaction();
return;
}
PDPPolicy policy = group.getPolicy(policyId);
if (policy == null) {
String message = "Unknown policy: " + policyId;
LOGGER.warn(XACMLErrorConstants.ERROR_DATA_ISSUE + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_NOT_FOUND, message);
im.endTransaction();
return;
}
try{
LOGGER.warn("PolicyDebugging: Policy Validity: " + policy.isValid() + "\n "
+ "Policy Name : " + policy.getName() + "\n Policy URI: " + policy.getLocation().toString());
} catch (PAPException| IOException e){
LOGGER.error(e);
}
try (InputStream is = new FileInputStream(((StdPDPGroup)group).getDirectory().toString()+File.separator+policyId); OutputStream os = response.getOutputStream()) {
// Send the policy back
IOUtils.copy(is, os);
response.setStatus(HttpServletResponse.SC_OK);
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
} catch (IOException e) {
String message = "Failed to open policy id " + policyId;
LOGGER.debug(e);
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_NOT_FOUND, message);
}
} catch (PAPException e) {
LOGGER.debug(e);
PolicyLogger.error(MessageCodes.ERROR_UNKNOWN, e, "XACMLPapServlet", " GET exception");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
im.endTransaction();
return;
}
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended");
im.endTransaction();
}
/**
* @see HttpServlet#doPut(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
ONAPLoggingContext loggingContext = ONAPLoggingUtils.getLoggingContextForRequest(request, baseLoggingContext);
loggingContext.transactionStarted();
loggingContext.setServiceName("PAP.put");
if ((loggingContext.getRequestID() == null) || (loggingContext.getRequestID() == "")){
UUID requestID = UUID.randomUUID();
loggingContext.setRequestID(requestID.toString());
PolicyLogger.info("requestID not provided in call to XACMLPapSrvlet (doPut) so we generated one");
} else {
PolicyLogger.info("requestID was provided in call to XACMLPapSrvlet (doPut)");
}
try {
loggingContext.metricStarted();
im.startTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPut im startTransaction");
} catch (IntegrityMonitorException e) {
String message = "PUT interface called for PAP " + papResourceName;
if (e instanceof AdministrativeStateException) {
message += " but it has an Administrative state of "
+ im.getStateManager().getAdminState();
} else if (e instanceof StandbyStatusException) {
message += " but it has a Standby Status of "
+ im.getStateManager().getStandbyStatus();
} else {
message += " but an exception occurred";
}
message += "\n Exception Message: " + e.getMessage();
LOGGER.info(message, e);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
}
loggingContext.metricStarted();
XACMLRest.dumpRequest(request);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPut dumpRequest");
//need to check if request is from the API or Admin console
String apiflag = request.getParameter("apiflag");
//This would occur if a PolicyDBDao notification was received
String policyDBDaoRequestUrl = request.getParameter("policydbdaourl");
if(policyDBDaoRequestUrl != null){
LOGGER.info("XACMLPapServlet: PolicyDBDao Notification received." );
String policyDBDaoRequestEntityId = request.getParameter("entityid");
String policyDBDaoRequestEntityType = request.getParameter("entitytype");
String policyDBDaoRequestExtraData = request.getParameter("extradata");
if(policyDBDaoRequestEntityId == null || policyDBDaoRequestEntityType == null){
setResponseError(response,400, "entityid or entitytype not supplied");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
loggingContext.metricStarted();
LOGGER.info("XACMLPapServlet: Calling PolicyDBDao to handlIncomingHttpNotification");
policyDBDao.handleIncomingHttpNotification(policyDBDaoRequestUrl,policyDBDaoRequestEntityId,policyDBDaoRequestEntityType,policyDBDaoRequestExtraData,this);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPut handle incoming http notification");
response.setStatus(200);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
/*
* Request for ImportService
*/
String importService = request.getParameter("importService");
if (importService != null) {
if(authorizeRequest(request)){
APIRequestHandler apiRequestHandler = new APIRequestHandler();
try{
loggingContext.metricStarted();
apiRequestHandler.doPut(request, response, importService);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doPut apiRequestHandler doPut");
}catch(IOException e){
LOGGER.error(e);
}
im.endTransaction();
return;
} else {
String message = "PEP not Authorized for making this Request!! \n Contact Administrator for this Scope. ";
LOGGER.error(XACMLErrorConstants.ERROR_PERMISSIONS + message );
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_FORBIDDEN, message);
return;
}
}
//This would occur if we received a notification of a policy rename from AC
String oldPolicyName = request.getParameter("oldPolicyName");
String newPolicyName = request.getParameter("newPolicyName");
if(oldPolicyName != null && newPolicyName != null){
if(LOGGER.isDebugEnabled()){
LOGGER.debug("\nXACMLPapServlet.doPut() - before decoding"
+ "\npolicyToCreateUpdate = " + " ");
}
//decode it
try{
oldPolicyName = URLDecoder.decode(oldPolicyName, "UTF-8");
newPolicyName = URLDecoder.decode(newPolicyName, "UTF-8");
if(LOGGER.isDebugEnabled()){
LOGGER.debug("\nXACMLPapServlet.doPut() - after decoding"
+ "\npolicyToCreateUpdate = " + " ");
}
} catch(UnsupportedEncodingException e){
PolicyLogger.error("\nXACMLPapServlet.doPut() - Unsupported URL encoding of policyToCreateUpdate (UTF-8)"
+ "\npolicyToCreateUpdate = " + " ");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR,"policyToCreateUpdate encoding not supported"
+ "\nfailure with the following exception: " + e);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See error.log");
im.endTransaction();
return;
}
//send it to PolicyDBDao
PolicyDBDaoTransaction renameTransaction = policyDBDao.getNewTransaction();
try{
renameTransaction.renamePolicy(oldPolicyName,newPolicyName, "XACMLPapServlet.doPut");
}catch(Exception e){
renameTransaction.rollbackTransaction();
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR,"createUpdateTransaction.createPolicy(policyToCreateUpdate, XACMLPapServlet.doPut) "
+ "\nfailure with the following exception: " + e);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See error.log");
im.endTransaction();
return;
}
loggingContext.metricStarted();
renameTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet goPut commitTransaction");
response.setStatus(HttpServletResponse.SC_OK);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
//
// See if this is Admin Console registering itself with us
//
String acURLString = request.getParameter("adminConsoleURL");
if (acURLString != null) {
loggingContext.setServiceName("AC:PAP.register");
// remember this Admin Console for future updates
if ( ! adminConsoleURLStringList.contains(acURLString)) {
adminConsoleURLStringList.add(acURLString);
}
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Admin Console registering with URL: " + acURLString);
}
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
/*
* This is to update the PDP Group with the policy/policies being pushed
* Part of a 2 step process to push policies to the PDP that can now be done
* From both the Admin Console and the PolicyEngine API
*/
String groupId = request.getParameter("groupId");
if (groupId != null) {
if(apiflag!=null){
if(!authorizeRequest(request)){
String message = "PEP not Authorized for making this Request!! \n Contact Administrator for this Scope. ";
PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_FORBIDDEN, message);
return;
}
if(apiflag.equalsIgnoreCase("addPolicyToGroup")){
try{
updateGroupsFromAPI(request, response, groupId, loggingContext);
}catch(IOException e){
LOGGER.error(e);
}
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
}
// this is from the Admin Console, so handle separately
try {
loggingContext.metricEnded();
doACPut(request, response, groupId, loggingContext);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet goPut doACPut");
} catch (IOException e) {
LOGGER.error(e);
}
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
//
// Request is for policy validation and creation
//
if (apiflag != null && apiflag.equalsIgnoreCase("admin")){
// this request is from the Admin Console
SavePolicyHandler savePolicyHandler = SavePolicyHandler.getInstance();
try{
loggingContext.metricStarted();
savePolicyHandler.doPolicyAPIPut(request, response);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet goPut savePolicyHandler");
} catch (IOException e) {
LOGGER.error(e);
}
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
} else if (apiflag != null && apiflag.equalsIgnoreCase("api")) {
// this request is from the Policy Creation API
if(authorizeRequest(request)){
APIRequestHandler apiRequestHandler = new APIRequestHandler();
try{
loggingContext.metricStarted();
apiRequestHandler.doPut(request, response, request.getHeader("ClientScope"));
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet goPut apiRequestHandler doPut");
} catch (IOException e) {
LOGGER.error(e);
}
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
} else {
String message = "PEP not Authorized for making this Request!!";
PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_FORBIDDEN, message);
im.endTransaction();
return;
}
}
// We do not expect anything from anywhere else.
// This method is here in case we ever need to support other operations.
LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Request does not have groupId or apiflag");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_BAD_REQUEST, "Request does not have groupId or apiflag");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See error.log");
im.endTransaction();
}
/**
* @see HttpServlet#doDelete(HttpServletRequest request, HttpServletResponse response)
*/
protected void doDelete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
ONAPLoggingContext loggingContext = ONAPLoggingUtils.getLoggingContextForRequest(request, baseLoggingContext);
loggingContext.transactionStarted();
loggingContext.setServiceName("PAP.delete");
if ((loggingContext.getRequestID() == null) || (loggingContext.getRequestID() == "")){
UUID requestID = UUID.randomUUID();
loggingContext.setRequestID(requestID.toString());
PolicyLogger.info("requestID not provided in call to XACMLPapSrvlet (doDelete) so we generated one");
} else {
PolicyLogger.info("requestID was provided in call to XACMLPapSrvlet (doDelete)");
}
try {
loggingContext.metricStarted();
im.startTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doDelete im startTransaction");
} catch (AdministrativeStateException ae){
String message = "DELETE interface called for PAP " + papResourceName + " but it has an Administrative"
+ " state of " + im.getStateManager().getAdminState()
+ "\n Exception Message: " + ae.getMessage();
LOGGER.info(message, ae);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
}catch (StandbyStatusException se) {
String message = "PUT interface called for PAP " + papResourceName + " but it has a Standby Status"
+ " of " + im.getStateManager().getStandbyStatus()
+ "\n Exception Message: " + se.getMessage();
LOGGER.info(message, se);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
} catch (IntegrityMonitorException e) {
String message = "PUT interface called for PAP " + papResourceName + " but an exception occurred"
+ "\n Exception Message: " + e.getMessage();
LOGGER.info(message, e);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
}
loggingContext.metricStarted();
XACMLRest.dumpRequest(request);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doDelete dumpRequest");
String groupId = request.getParameter("groupId");
String apiflag = request.getParameter("apiflag");
if (groupId != null) {
// Is this from the Admin Console or API?
if(apiflag!=null) {
if(!authorizeRequest(request)){
String message = "PEP not Authorized for making this Request!! \n Contact Administrator for this Scope. ";
PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_FORBIDDEN, message);
return;
}
APIRequestHandler apiRequestHandler = new APIRequestHandler();
try {
loggingContext.metricStarted();
apiRequestHandler.doDelete(request, response, loggingContext, apiflag);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doDelete apiRequestHandler doDelete");
} catch (Exception e) {
LOGGER.error("Exception Occured"+e);
}
if(apiRequestHandler.getNewGroup()!=null){
groupChanged(apiRequestHandler.getNewGroup(), loggingContext);
}
return;
}
// this is from the Admin Console, so handle separately
try{
loggingContext.metricStarted();
doACDelete(request, response, groupId, loggingContext);
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doDelete doACDelete");
} catch (IOException e) {
LOGGER.error(e);
}
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Ended Successfully");
im.endTransaction();
return;
}
//Catch anything that fell through
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " Request does not have groupId");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_BAD_REQUEST, "Request does not have groupId");
im.endTransaction();
}
private boolean isPDPCurrent(Properties policies, Properties pipconfig, Properties pdpProperties) {
String localRootPolicies = policies.getProperty(XACMLProperties.PROP_ROOTPOLICIES);
String localReferencedPolicies = policies.getProperty(XACMLProperties.PROP_REFERENCEDPOLICIES);
if (localRootPolicies == null || localReferencedPolicies == null) {
LOGGER.warn(XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing property on PAP server: RootPolicies="+localRootPolicies+" ReferencedPolicies="+localReferencedPolicies);
return false;
}
// Compare the policies and pipconfig properties to the pdpProperties
try {
// the policy properties includes only xacml.rootPolicies and
// xacml.referencedPolicies without any .url entries
Properties pdpPolicies = XACMLProperties.getPolicyProperties(pdpProperties, false);
Properties pdpPipConfig = XACMLProperties.getPipProperties(pdpProperties);
if (localRootPolicies.equals(pdpPolicies.getProperty(XACMLProperties.PROP_ROOTPOLICIES)) &&
localReferencedPolicies.equals(pdpPolicies.getProperty(XACMLProperties.PROP_REFERENCEDPOLICIES)) &&
pdpPipConfig.equals(pipconfig)) {
// The PDP is current
return true;
}
} catch (Exception e) {
// we get here if the PDP did not include either xacml.rootPolicies or xacml.pip.engines,
// or if there are policies that do not have a corresponding ".url" property.
// Either of these cases means that the PDP is not up-to-date, so just drop-through to return false.
PolicyLogger.error(MessageCodes.ERROR_SCHEMA_INVALID, e, "XACMLPapServlet", " PDP Error");
}
return false;
}
private void populatePolicyURL(StringBuffer urlPath, Properties policies) {
String lists[] = new String[2];
lists[0] = policies.getProperty(XACMLProperties.PROP_ROOTPOLICIES);
lists[1] = policies.getProperty(XACMLProperties.PROP_REFERENCEDPOLICIES);
for (String list : lists) {
if (list != null && list.isEmpty() == false) {
for (String id : Splitter.on(',').trimResults().omitEmptyStrings().split(list)) {
String url = urlPath + "?id=" + id;
LOGGER.info("Policy URL for " + id + ": " + url);
policies.setProperty(id + ".url", url);
}
}
}
}
protected String getPDPID(HttpServletRequest request) {
String pdpURL = request.getHeader(XACMLRestProperties.PROP_PDP_HTTP_HEADER_ID);
if (pdpURL == null || pdpURL.isEmpty()) {
// Should send back its port for identification
LOGGER.warn(XACMLErrorConstants.ERROR_DATA_ISSUE + "PDP did not send custom header");
pdpURL = "";
}
return pdpURL;
}
protected String getPDPJMX(HttpServletRequest request) {
String pdpJMMX = request.getHeader(XACMLRestProperties.PROP_PDP_HTTP_HEADER_JMX_PORT);
if (pdpJMMX == null || pdpJMMX.isEmpty()) {
// Should send back its port for identification
LOGGER.warn(XACMLErrorConstants.ERROR_DATA_ISSUE + "PDP did not send custom header for JMX Port so the value of 0 is assigned");
return null;
}
return pdpJMMX;
}
/**
* Requests from the PolicyEngine API to update the PDP Group with pushed policy
*
* @param request
* @param response
* @param groupId
* @param loggingContext
* @throws ServletException
* @throws IOException
*/
public void updateGroupsFromAPI(HttpServletRequest request, HttpServletResponse response, String groupId, ONAPLoggingContext loggingContext) throws IOException {
PolicyDBDaoTransaction acPutTransaction = policyDBDao.getNewTransaction();
PolicyLogger.audit("PolicyDBDaoTransaction started for updateGroupsFromAPI");
try {
// for PUT operations the group may or may not need to exist before the operation can be done
StdPDPGroup group = (StdPDPGroup) papEngine.getGroup(groupId);
// get the request input stream content into a String
String json = null;
java.util.Scanner scanner = new java.util.Scanner(request.getInputStream());
scanner.useDelimiter("\\A");
json = scanner.hasNext() ? scanner.next() : "";
scanner.close();
PolicyLogger.info("pushPolicy request from API: " + json);
// convert Object sent as JSON into local object
StdPDPPolicy policy = PolicyUtils.jsonStringToObject(json, StdPDPPolicy.class);
//Get the current policies from the Group and Add the new one
Set<PDPPolicy> currentPoliciesInGroup = new HashSet<>();
currentPoliciesInGroup = group.getPolicies();
//If the selected policy is in the group we must remove the old version of it
LOGGER.info("Removing old version of the policy");
for(PDPPolicy existingPolicy : currentPoliciesInGroup) {
if (existingPolicy.getName().equals(policy.getName()) && !existingPolicy.getId().equals(policy.getId())){
group.removePolicy(existingPolicy);
LOGGER.info("Removing policy: " + existingPolicy);
break;
}
}
// Assume that this is an update of an existing PDP Group
loggingContext.setServiceName("PolicyEngineAPI:PAP.updateGroup");
try{
acPutTransaction.updateGroup(group, "XACMLPapServlet.doACPut");
} catch(Exception e){
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " Error while updating group in the database: "
+"group="+group.getId());
throw new PAPException(e.getMessage());
}
LOGGER.info("Calling updatGroup() with new group");
papEngine.updateGroup(group);
String policyId = "empty";
if(policy !=null && policy.getId() != null){
policyId = policy.getId();
}
if(!policyId.matches(REGEX) ){
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader("error",ADD_GROUP_ERROR);
response.addHeader("message", "Policy Id is not valid");
return;
}
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
response.addHeader("operation", "push");
response.addHeader("policyId", policyId);
response.addHeader("groupId", groupId);
LOGGER.info("Group '" + group.getId() + "' updated");
loggingContext.metricStarted();
acPutTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet updateGroupsFromAPI commitTransaction");
loggingContext.metricStarted();
notifyAC();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet updateGroupsFromAPI notifyAC");
// Group changed, which might include changing the policies
groupChanged(group, loggingContext);
loggingContext.transactionEnded();
LOGGER.info("Success");
if (policy != null && ((policy.getId().contains("Config_MS_")) || (policy.getId().contains("BRMS_Param")))) {
PushPolicyHandler pushPolicyHandler = PushPolicyHandler.getInstance();
if (pushPolicyHandler.preSafetyCheck(policy, configHome)) {
LOGGER.debug("Precheck Successful.");
}
}
PolicyLogger.audit("Transaction Ended Successfully");
return;
} catch (PAPException e) {
acPutTransaction.rollbackTransaction();
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " API PUT exception");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
String message = XACMLErrorConstants.ERROR_PROCESS_FLOW + "Exception in request to update group from API - See Error.log on on the PAP.";
setResponseError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader("error",ADD_GROUP_ERROR);
response.addHeader("message", message);
return;
}
}
/**
* Requests from the Admin Console for operations not on single specific objects
*
* @param request
* @param response
* @param groupId
* @param loggingContext
* @throws ServletException
* @throws IOException
*/
private void doACPost(HttpServletRequest request, HttpServletResponse response, String groupId, ONAPLoggingContext loggingContext) throws ServletException, IOException {
PolicyDBDaoTransaction doACPostTransaction = null;
try {
String groupName = request.getParameter("groupName");
String groupDescription = request.getParameter("groupDescription");
String apiflag = request.getParameter("apiflag");
if (groupName != null && groupDescription != null) {
// Args: group=<groupId> groupName=<name> groupDescription=<description> <= create a new group
loggingContext.setServiceName("AC:PAP.createGroup");
String unescapedName = null;
String unescapedDescription = null;
try{
unescapedName = URLDecoder.decode(groupName, "UTF-8");
unescapedDescription = URLDecoder.decode(groupDescription, "UTF-8");
} catch (UnsupportedEncodingException e) {
LOGGER.error(e);
}
PolicyDBDaoTransaction newGroupTransaction = policyDBDao.getNewTransaction();
try {
newGroupTransaction.createGroup(PolicyDBDao.createNewPDPGroupId(unescapedName), unescapedName, unescapedDescription,"XACMLPapServlet.doACPost");
papEngine.newGroup(unescapedName, unescapedDescription);
loggingContext.metricStarted();
newGroupTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPost commitTransaction");
} catch (Exception e) {
newGroupTransaction.rollbackTransaction();
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " Unable to create new group");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Unable to create new group '" + groupId + "'");
return;
}
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("New Group '" + groupId + "' created");
}
// tell the Admin Consoles there is a change
loggingContext.metricStarted();
notifyAC();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPost notifyAC");
// new group by definition has no PDPs, so no need to notify them of changes
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
}
// for all remaining POST operations the group must exist before the operation can be done
OnapPDPGroup group = null;
try{
group = papEngine.getGroup(groupId);
} catch (PAPException e){
LOGGER.error(e);
}
if (group == null) {
String message = "Unknown groupId '" + groupId + "'";
//for fixing Header Manipulation of Fortify issue
if(!message.matches(REGEX)){
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader("error",ADD_GROUP_ERROR);
response.addHeader("message", "GroupId Id is not valid");
return;
}
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
if (apiflag!=null){
response.addHeader("error", "unknownGroupId");
response.addHeader("operation", "push");
response.addHeader("message", message);
response.setStatus(HttpServletResponse.SC_NOT_FOUND);
} else {
setResponseError(response,HttpServletResponse.SC_NOT_FOUND, message);
}
return;
}
// If the request contains a policyId then we know we are pushing the policy to PDP
if (request.getParameter("policyId") != null) {
if(apiflag!=null){
loggingContext.setServiceName("PolicyEngineAPI:PAP.postPolicy");
LOGGER.info("PushPolicy Request From The API");
} else {
loggingContext.setServiceName("AC:PAP.postPolicy");
LOGGER.info("PushPolicy Request From The AC");
}
String policyId = request.getParameter("policyId");
PolicyDBDaoTransaction addPolicyToGroupTransaction = policyDBDao.getNewTransaction();
StdPDPGroup updatedGroup = null;
try {
//Copying the policy to the file system and updating groups in database
LOGGER.info("PapServlet: calling PolicyDBDao.addPolicyToGroup()");
updatedGroup = addPolicyToGroupTransaction.addPolicyToGroup(group.getId(), policyId,"XACMLPapServlet.doACPost");
loggingContext.metricStarted();
addPolicyToGroupTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPost commitTransaction");
LOGGER.info("PapServlet: addPolicyToGroup() succeeded, transaction was committed");
} catch (Exception e) {
addPolicyToGroupTransaction.rollbackTransaction();
String message = "Policy '" + policyId + "' not copied to group '" + groupId +"': " + e;
//for fixing Header Manipulation of Fortify issue
if(!message.matches(REGEX)){
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader("error",ADD_GROUP_ERROR);
response.addHeader("message", "Policy Id is not valid");
return;
}
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
if (apiflag!=null){
response.addHeader("error", "policyCopyError");
response.addHeader("message", message);
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
} else {
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
}
return;
}
if(apiflag != null){
/*
* If request comes from the API we need to run the PolicyDBDao updateGroup() to notify other paps of the change.
* The GUI does this from the POLICY-SDK-APP code.
*/
// Get new transaction to perform updateGroup()
PolicyDBDaoTransaction acPutTransaction = policyDBDao.getNewTransaction();
try {
// get the request content into a String and read the inputStream into a buffer
java.util.Scanner scanner = new java.util.Scanner(request.getInputStream());
scanner.useDelimiter("\\A");
String json = scanner.hasNext() ? scanner.next() : "";
scanner.close();
// convert Object sent as JSON into local object
ObjectMapper mapper = new ObjectMapper();
Object objectFromJSON = mapper.readValue(json, StdPDPPolicy.class);
StdPDPPolicy policy = (StdPDPPolicy) objectFromJSON;
LOGGER.info("Request JSON Payload: " + json);
// Assume that this is an update of an existing PDP Group
loggingContext.setServiceName("PolicyEngineAPI:PAP.updateGroup");
try{
acPutTransaction.updateGroup(updatedGroup, "XACMLPapServlet.doACPut");
} catch(Exception e){
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " Error occurred when notifying PAPs of a group change: "
+ e);
throw new PAPException(e.getMessage());
}
LOGGER.info("Calling updatGroup() with new group");
papEngine.updateGroup(updatedGroup);
LOGGER.info("Group '" + updatedGroup.getId() + "' updated");
// Commit transaction to send notification to other PAPs
loggingContext.metricStarted();
acPutTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet updateGroupsFromAPI commitTransaction");
loggingContext.metricStarted();
notifyAC();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet updateGroupsFromAPI notifyAC");
// Group changed to send notification to PDPs, which might include changing the policies
groupChanged(updatedGroup,loggingContext);
loggingContext.transactionEnded();
LOGGER.info("Success");
if (policy != null && ((policy.getName().contains("Config_MS_")) || (policy.getId().contains("BRMS_Param")))) {
PushPolicyHandler pushPolicyHandler = PushPolicyHandler.getInstance();
if (pushPolicyHandler.preSafetyCheck(policy, configHome)) {
LOGGER.debug("Precheck Successful.");
}
}
//delete temporary policy file from the bin directory
Files.deleteIfExists(Paths.get(policy.getId()));
} catch (Exception e) {
acPutTransaction.rollbackTransaction();
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " API PUT exception");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
String message = XACMLErrorConstants.ERROR_PROCESS_FLOW + "Exception occurred when updating the group from API.";
LOGGER.error(message);
setResponseError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader("error",ADD_GROUP_ERROR);
response.addHeader("message", message);
return;
}
}
// policy file copied ok and the Group was updated on the PDP
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
response.addHeader("operation", "push");
response.addHeader("policyId", policyId);
response.addHeader("groupId", groupId);
LOGGER.info("policy '" + policyId + "' copied to directory for group '" + groupId + "'");
loggingContext.transactionEnded();
auditLogger.info("Success");
LOGGER.info("Transaction Ended Successfully");
return;
} else if (request.getParameter("default") != null) {
// Args: group=<groupId> default=true <= make default
// change the current default group to be the one identified in the request.
loggingContext.setServiceName("AC:PAP.setDefaultGroup");
// This is a POST operation rather than a PUT "update group" because of the side-effect that the current default group is also changed.
// It should never be the case that multiple groups are currently marked as the default, but protect against that anyway.
PolicyDBDaoTransaction setDefaultGroupTransaction = policyDBDao.getNewTransaction();
try {
setDefaultGroupTransaction.changeDefaultGroup(group, "XACMLPapServlet.doACPost");
papEngine.setDefaultGroup(group);
loggingContext.metricStarted();
setDefaultGroupTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPost commitTransaction");
} catch (Exception e) {
setDefaultGroupTransaction.rollbackTransaction();
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " Unable to set group");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Unable to set group '" + groupId + "' to default");
return;
}
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Group '" + groupId + "' set to be default");
}
// Notify the Admin Consoles that something changed
// For now the AC cannot handle anything more detailed than the whole set of PDPGroups, so just notify on that
//TODO - Future: FIGURE OUT WHAT LEVEL TO NOTIFY: 2 groups or entire set - currently notify AC to update whole configuration of all groups
loggingContext.metricStarted();
notifyAC();
// This does not affect any PDPs in the existing groups, so no need to notify them of this change
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPost notifyAC");
loggingContext.transactionEnded();
auditLogger.info("Success");
LOGGER.info("Transaction Ended Successfully");
return;
} else if (request.getParameter("pdpId") != null) {
doACPostTransaction = policyDBDao.getNewTransaction();
// Args: group=<groupId> pdpId=<pdpId> <= move PDP to group
loggingContext.setServiceName("AC:PAP.movePDP");
String pdpId = request.getParameter("pdpId");
OnapPDP pdp = papEngine.getPDP(pdpId);
OnapPDPGroup originalGroup = papEngine.getPDPGroup((OnapPDP) pdp);
try{
doACPostTransaction.movePdp(pdp, group, "XACMLPapServlet.doACPost");
}catch(Exception e){
doACPostTransaction.rollbackTransaction();
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet",
" Error while moving pdp in the database: "
+"pdp="+pdp.getId()+",to group="+group.getId());
throw new PAPException(e.getMessage());
}
papEngine.movePDP((OnapPDP) pdp, group);
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("PDP '" + pdp.getId() +"' moved to group '" + group.getId() + "' set to be default");
}
// update the status of both the original group and the new one
((StdPDPGroup)originalGroup).resetStatus();
((StdPDPGroup)group).resetStatus();
// Notify the Admin Consoles that something changed
// For now the AC cannot handle anything more detailed than the whole set of PDPGroups, so just notify on that
loggingContext.metricStarted();
notifyAC();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPost notifyAC");
// Need to notify the PDP that it's config may have changed
pdpChanged(pdp, loggingContext);
loggingContext.metricStarted();
doACPostTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPost commitTransaction");
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
}
} catch (PAPException e) {
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " AC POST exception");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
return;
}
}
/**
* Requests from the Admin Console to GET info about the Groups and PDPs
*
* @param request
* @param response
* @param groupId
* @param loggingContext
* @throws ServletException
* @throws IOException
*/
private void doACGet(HttpServletRequest request, HttpServletResponse response, String groupId, ONAPLoggingContext loggingContext) throws IOException {
try {
String parameterDefault = request.getParameter("default");
String pdpId = request.getParameter("pdpId");
String pdpGroup = request.getParameter("getPDPGroup");
if ("".equals(groupId)) {
// request IS from AC but does not identify a group by name
if (parameterDefault != null) {
// Request is for the Default group (whatever its id)
loggingContext.setServiceName("AC:PAP.getDefaultGroup");
OnapPDPGroup group = papEngine.getDefaultGroup();
// convert response object to JSON and include in the response
mapperWriteValue(new ObjectMapper(), response, group);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("GET Default group req from '" + request.getRequestURL() + "'");
}
response.setStatus(HttpServletResponse.SC_OK);
response.setHeader("content-type", "application/json");
try{
response.getOutputStream().close();
} catch (IOException e){
LOGGER.error(e);
}
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
} else if (pdpId != null) {
// Request is related to a PDP
if (pdpGroup == null) {
// Request is for the (unspecified) group containing a given PDP
loggingContext.setServiceName("AC:PAP.getPDP");
OnapPDP pdp = null;
try{
pdp = papEngine.getPDP(pdpId);
}catch(PAPException e){
LOGGER.error(e);
}
// convert response object to JSON and include in the response
mapperWriteValue(new ObjectMapper(), response, pdp);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("GET pdp '" + pdpId + "' req from '" + request.getRequestURL() + "'");
}
response.setStatus(HttpServletResponse.SC_OK);
response.setHeader("content-type", "application/json");
try{
response.getOutputStream().close();
} catch (IOException e){
LOGGER.error(e);
}
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
} else {
// Request is for the group containing a given PDP
loggingContext.setServiceName("AC:PAP.getGroupForPDP");
OnapPDPGroup group =null;
try{
OnapPDP pdp = papEngine.getPDP(pdpId);
group = papEngine.getPDPGroup((OnapPDP) pdp);
}catch(PAPException e){
LOGGER.error(e);
}
// convert response object to JSON and include in the response
mapperWriteValue(new ObjectMapper(), response, group);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("GET PDP '" + pdpId + "' Group req from '" + request.getRequestURL() + "'");
}
response.setStatus(HttpServletResponse.SC_OK);
response.setHeader("content-type", "application/json");
try{
response.getOutputStream().close();
} catch (IOException e){
LOGGER.error(e);
}
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
}
} else {
// request is for top-level properties about all groups
loggingContext.setServiceName("AC:PAP.getAllGroups");
Set<OnapPDPGroup> groups = papEngine.getOnapPDPGroups();
// convert response object to JSON and include in the response
mapperWriteValue(new ObjectMapper(), response, groups);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("GET All groups req");
}
response.setStatus(HttpServletResponse.SC_OK);
response.setHeader("content-type", "application/json");
try{
response.getOutputStream().close();
} catch (IOException e){
LOGGER.error(e);
}
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
}
}
// for all other GET operations the group must exist before the operation can be done
OnapPDPGroup group = null;
try{
group = papEngine.getGroup(groupId);
} catch(PAPException e){
LOGGER.error(e);
}
if (group == null) {
String message = "Unknown groupId '" + groupId + "'";
//for fixing Header Manipulation of Fortify issue
if(!message.matches(REGEX)){
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader("error",ADD_GROUP_ERROR);
response.addHeader("message", "Group Id is not valid");
return;
}
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_NOT_FOUND, message);
return;
}
// Figure out which request this is based on the parameters
String policyId = request.getParameter("policyId");
if (policyId != null) {
// retrieve a policy
loggingContext.setServiceName("AC:PAP.getPolicy");
// convert response object to JSON and include in the response
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " GET Policy not implemented");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_BAD_REQUEST, "GET Policy not implemented");
} else {
// No other parameters, so return the identified Group
loggingContext.setServiceName("AC:PAP.getGroup");
// convert response object to JSON and include in the response
mapperWriteValue(new ObjectMapper(), response, group);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("GET group '" + group.getId() + "' req from '" + request.getRequestURL() + "'");
}
response.setStatus(HttpServletResponse.SC_OK);
response.setHeader("content-type", "application/json");
try{
response.getOutputStream().close();
} catch (IOException e){
LOGGER.error(e);
}
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
}
// Currently there are no other GET calls from the AC.
// The AC uses the "GET All Groups" operation to fill its local cache and uses that cache for all other GETs without calling the PAP.
// Other GETs that could be called:
// Specific Group (groupId=<groupId>)
// A Policy (groupId=<groupId> policyId=<policyId>)
// A PDP (groupId=<groupId> pdpId=<pdpId>)
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " UNIMPLEMENTED ");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_BAD_REQUEST, "UNIMPLEMENTED");
} catch (PAPException e) {
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " AC Get exception");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
return;
}
}
/**
* Requests from the Admin Console to create new items or update existing ones
*
* @param request
* @param response
* @param groupId
* @param loggingContext
* @throws ServletException
* @throws IOException
*/
private void doACPut(HttpServletRequest request, HttpServletResponse response, String groupId, ONAPLoggingContext loggingContext) throws IOException {
PolicyDBDaoTransaction acPutTransaction = policyDBDao.getNewTransaction();
try {
// for PUT operations the group may or may not need to exist before the operation can be done
OnapPDPGroup group = papEngine.getGroup(groupId);
// determine the operation needed based on the parameters in the request
// for remaining operations the group must exist before the operation can be done
if (group == null) {
String message = "Unknown groupId '" + groupId + "'";
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_NOT_FOUND, message);
return;
}
if (request.getParameter("policy") != null) {
// group=<groupId> policy=<policyId> contents=policy file <= Create new policy file in group dir, or replace it if it already exists (do not touch properties)
loggingContext.setServiceName("AC:PAP.putPolicy");
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " PARTIALLY IMPLEMENTED!!! ACTUAL CHANGES SHOULD BE MADE BY PAP SERVLET!!! ");
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
} else if (request.getParameter("pdpId") != null) {
// ARGS: group=<groupId> pdpId=<pdpId/URL> <= create a new PDP or Update an Existing one
String pdpId = request.getParameter("pdpId");
if (papEngine.getPDP(pdpId) == null) {
loggingContext.setServiceName("AC:PAP.createPDP");
} else {
loggingContext.setServiceName("AC:PAP.updatePDP");
}
// get the request content into a String
String json = null;
// read the inputStream into a buffer (trick found online scans entire input looking for end-of-file)
try{
Scanner scanner = new Scanner(request.getInputStream());
scanner.useDelimiter("\\A");
json = scanner.hasNext() ? scanner.next() : "";
scanner.close();
}catch(IOException e){
LOGGER.error(e);
}
LOGGER.info("JSON request from AC: " + json);
// convert Object sent as JSON into local object
ObjectMapper mapper = new ObjectMapper();
Object objectFromJSON = mapper.readValue(json, StdPDP.class);
if (pdpId == null ||
objectFromJSON == null ||
! (objectFromJSON instanceof StdPDP) ||
((StdPDP)objectFromJSON).getId() == null ||
! ((StdPDP)objectFromJSON).getId().equals(pdpId)) {
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " PDP new/update had bad input. pdpId=" + pdpId + " objectFromJSON="+objectFromJSON);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Bad input pdpid for object:"+objectFromJSON);
}
StdPDP pdp = (StdPDP) objectFromJSON;
if(pdp != null){
OnapPDP oPDP = null;
try{
oPDP = papEngine.getPDP(pdpId);
}catch (PAPException e){
LOGGER.error(e);
}
if (oPDP == null) {
// this is a request to create a new PDP object
try{
acPutTransaction.addPdpToGroup(pdp.getId(), group.getId(), pdp.getName(),
pdp.getDescription(), pdp.getJmxPort(),"XACMLPapServlet.doACPut");
} catch(Exception e){
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " Error while adding pdp to group in the database: "
+"pdp="+ (pdp.getId()) +",to group="+group.getId());
throw new PAPException(e.getMessage());
}
try{
papEngine.newPDP(pdp.getId(), group, pdp.getName(), pdp.getDescription(), pdp.getJmxPort());
}catch(PAPException e){
LOGGER.error(e);
}
} else {
try{
acPutTransaction.updatePdp(pdp, "XACMLPapServlet.doACPut");
} catch(Exception e){
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " Error while updating pdp in the database: "
+"pdp="+ pdp.getId());
throw new PAPException(e.getMessage());
}
// this is a request to update the pdp
try{
papEngine.updatePDP(pdp);
}catch(PAPException e){
LOGGER.error(e);
}
}
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("PDP '" + pdpId + "' created/updated");
}
// adjust the group's state including the new PDP
((StdPDPGroup)group).resetStatus();
// tell the Admin Consoles there is a change
loggingContext.metricStarted();
notifyAC();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPut notifyAC");
// this might affect the PDP, so notify it of the change
pdpChanged(pdp, loggingContext);
loggingContext.metricStarted();
acPutTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPut commitTransaction");
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
}else{
try{
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, "XACMLPapServlet", " Error while adding pdp to group in the database: "
+"pdp=null" + ",to group="+group.getId());
throw new PAPException("PDP is null");
} catch(Exception e){
throw new PAPException("PDP is null" + e.getMessage() +e);
}
}
} else if (request.getParameter("pipId") != null) {
// group=<groupId> pipId=<pipEngineId> contents=pip properties <= add a PIP to pip config, or replace it if it already exists (lenient operation)
loggingContext.setServiceName("AC:PAP.putPIP");
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " UNIMPLEMENTED");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_BAD_REQUEST, "UNIMPLEMENTED");
return;
} else {
// Assume that this is an update of an existing PDP Group
// ARGS: group=<groupId> <= Update an Existing Group
loggingContext.setServiceName("AC:PAP.updateGroup");
// get the request content into a String
String json = null;
// read the inputStream into a buffer (trick found online scans entire input looking for end-of-file)
try{
Scanner scanner = new Scanner(request.getInputStream());
scanner.useDelimiter("\\A");
json = scanner.hasNext() ? scanner.next() : "";
scanner.close();
}catch(IOException e){
LOGGER.error(e);
}
LOGGER.info("JSON request from AC: " + json);
// convert Object sent as JSON into local object
ObjectMapper mapper = new ObjectMapper();
Object objectFromJSON = mapper.readValue(json, StdPDPGroup.class);
if (objectFromJSON == null || ! (objectFromJSON instanceof StdPDPGroup) ||
! ((StdPDPGroup)objectFromJSON).getId().equals(group.getId())) {
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " Group update had bad input. id=" + group.getId() + " objectFromJSON="+objectFromJSON);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Bad input id for object:"+objectFromJSON);
}
// The Path on the PAP side is not carried on the RESTful interface with the AC
// (because it is local to the PAP)
// so we need to fill that in before submitting the group for update
if(objectFromJSON != null){
((StdPDPGroup)objectFromJSON).setDirectory(((StdPDPGroup)group).getDirectory());
}
try{
if("delete".equals(((StdPDPGroup)objectFromJSON).getOperation())){
acPutTransaction.updateGroup((StdPDPGroup)objectFromJSON, "XACMLPapServlet.doDelete");
} else {
acPutTransaction.updateGroup((StdPDPGroup)objectFromJSON, "XACMLPapServlet.doACPut");
}
} catch(Exception e){
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW + " Error while updating group in the database: "
+"group="+group.getId());
LOGGER.error(e);
throw new PAPException(e.getMessage());
}
PushPolicyHandler pushPolicyHandler = PushPolicyHandler.getInstance();
OnapPDPGroup updatedGroup = (StdPDPGroup)objectFromJSON;
if (pushPolicyHandler.preSafetyCheck(updatedGroup, configHome)) {
LOGGER.debug("Precheck Successful.");
}
try{
papEngine.updateGroup((StdPDPGroup)objectFromJSON);
}catch(PAPException e){
LOGGER.error(e);
}
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Group '" + group.getId() + "' updated");
}
loggingContext.metricStarted();
acPutTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPut commitTransaction");
// tell the Admin Consoles there is a change
loggingContext.metricStarted();
notifyAC();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPut notifyAC");
// Group changed, which might include changing the policies
groupChanged(group, loggingContext);
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
}
} catch (PAPException e) {
LOGGER.debug(e);
acPutTransaction.rollbackTransaction();
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " AC PUT exception");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
return;
}
}
/**
* Requests from the Admin Console to delete/remove items
*
* @param request
* @param response
* @param groupId
* @param loggingContext
* @throws ServletException
* @throws IOException
*/
private void doACDelete(HttpServletRequest request, HttpServletResponse response, String groupId, ONAPLoggingContext loggingContext) throws IOException {
//This code is to allow deletes to propagate to the database since delete is not implemented
String isDeleteNotify = request.getParameter("isDeleteNotify");
if(isDeleteNotify != null){
String policyToDelete = request.getParameter("policyToDelete");
try{
policyToDelete = URLDecoder.decode(policyToDelete,"UTF-8");
} catch(UnsupportedEncodingException e){
LOGGER.error("Unsupported URL encoding of policyToDelete (UTF-8", e);
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR,"policyToDelete encoding not supported");
return;
}
PolicyDBDaoTransaction deleteTransaction = policyDBDao.getNewTransaction();
try{
deleteTransaction.deletePolicy(policyToDelete);
} catch(Exception e){
deleteTransaction.rollbackTransaction();
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR,"deleteTransaction.deleteTransaction(policyToDelete) "
+ "\nfailure with the following exception: " + e);
return;
}
loggingContext.metricStarted();
deleteTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPut commitTransaction");
response.setStatus(HttpServletResponse.SC_OK);
return;
}
PolicyDBDaoTransaction removePdpOrGroupTransaction = policyDBDao.getNewTransaction();
try {
// for all DELETE operations the group must exist before the operation can be done
loggingContext.setServiceName("AC:PAP.delete");
OnapPDPGroup group = papEngine.getGroup(groupId);
if (group == null) {
String message = "Unknown groupId '" + groupId + "'";
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_NOT_FOUND, "Unknown groupId '" + groupId +"'");
return;
}
// determine the operation needed based on the parameters in the request
if (request.getParameter("policy") != null) {
// group=<groupId> policy=<policyId> [delete=<true|false>] <= delete policy file from group
loggingContext.setServiceName("AC:PAP.deletePolicy");
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " UNIMPLEMENTED");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_BAD_REQUEST, "UNIMPLEMENTED");
return;
} else if (request.getParameter("pdpId") != null) {
// ARGS: group=<groupId> pdpId=<pdpId> <= delete PDP
String pdpId = request.getParameter("pdpId");
OnapPDP pdp = papEngine.getPDP(pdpId);
try{
removePdpOrGroupTransaction.removePdpFromGroup(pdp.getId(),"XACMLPapServlet.doACDelete");
} catch(Exception e){
throw new PAPException(e);
}
try{
papEngine.removePDP((OnapPDP) pdp);
}catch(PAPException e){
LOGGER.error(e);
}
// adjust the status of the group, which may have changed when we removed this PDP
((StdPDPGroup)group).resetStatus();
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
loggingContext.metricStarted();
notifyAC();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPut notifyAC");
// update the PDP and tell it that it has NO Policies (which prevents it from serving PEP Requests)
pdpChanged(pdp, loggingContext);
loggingContext.metricStarted();
removePdpOrGroupTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPut commitTransaction");
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
} else if (request.getParameter("pipId") != null) {
// group=<groupId> pipId=<pipEngineId> <= delete PIP config for given engine
loggingContext.setServiceName("AC:PAP.deletePIPConfig");
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " UNIMPLEMENTED");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_BAD_REQUEST, "UNIMPLEMENTED");
return;
} else {
// ARGS: group=<groupId> movePDPsToGroupId=<movePDPsToGroupId> <= delete a group and move all its PDPs to the given group
String moveToGroupId = request.getParameter("movePDPsToGroupId");
OnapPDPGroup moveToGroup = null;
if (moveToGroupId != null) {
try{
moveToGroup = papEngine.getGroup(moveToGroupId);
}catch(PAPException e){
LOGGER.error(e);
}
}
// get list of PDPs in the group being deleted so we can notify them that they got changed
Set<OnapPDP> movedPDPs = new HashSet<>();
movedPDPs.addAll(group.getOnapPdps());
// do the move/remove
try{
removePdpOrGroupTransaction.deleteGroup(group, moveToGroup,"XACMLPapServlet.doACDelete");
} catch(Exception e){
PolicyLogger.error(MessageCodes.ERROR_UNKNOWN, e, "XACMLPapServlet", " Failed to delete PDP Group. Exception");
throw new PAPException(e.getMessage());
}
try{
papEngine.removeGroup(group, moveToGroup);
}catch(PAPException e){
LOGGER.error(e);
}
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
loggingContext.metricStarted();
notifyAC();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPut notifyAC");
// notify any PDPs in the removed set that their config may have changed
for (OnapPDP pdp : movedPDPs) {
pdpChanged(pdp, loggingContext);
}
loggingContext.metricStarted();
removePdpOrGroupTransaction.commitTransaction();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet doACPut commitTransaction");
loggingContext.transactionEnded();
auditLogger.info("Success");
PolicyLogger.audit("Transaction Ended Successfully");
return;
}
} catch (PAPException e) {
removePdpOrGroupTransaction.rollbackTransaction();
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " AC DELETE exception");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
return;
}
}
/**
* Heartbeat thread - periodically check on PDPs' status
*
* Heartbeat with all known PDPs.
*
* Implementation note:
*
* The PDPs are contacted Sequentially, not in Parallel.
*
* If we did this in parallel using multiple threads we would simultaneously use
* - 1 thread and
* - 1 connection
* for EACH PDP.
* This could become a resource problem since we already use multiple threads and connections for updating the PDPs
* when user changes occur.
* Using separate threads can also make it tricky dealing with timeouts on PDPs that are non-responsive.
*
* The Sequential operation does a heartbeat request to each PDP one at a time.
* This has the flaw that any PDPs that do not respond will hold up the entire heartbeat sequence until they timeout.
* If there are a lot of non-responsive PDPs and the timeout is large-ish (the default is 20 seconds)
* it could take a long time to cycle through all of the PDPs.
* That means that this may not notice a PDP being down in a predictable time.
*/
private class Heartbeat implements Runnable {
private PAPPolicyEngine papEngine;
private Set<OnapPDP> pdps = new HashSet<>();
private int heartbeatInterval;
private int heartbeatTimeout;
public volatile boolean isRunning = false;
public synchronized boolean isRunning() {
return this.isRunning;
}
public synchronized void terminate() {
this.isRunning = false;
}
public Heartbeat(PAPPolicyEngine papEngine2) {
papEngine = papEngine2;
this.heartbeatInterval = Integer.parseInt(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_HEARTBEAT_INTERVAL, "10000"));
this.heartbeatTimeout = Integer.parseInt(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_HEARTBEAT_TIMEOUT, "10000"));
}
@Override
public void run() {
// Set ourselves as running
synchronized(this) {
this.isRunning = true;
}
HashMap<String, URL> idToURLMap = new HashMap<>();
try {
while (this.isRunning()) {
// Wait the given time
Thread.sleep(heartbeatInterval);
// get the list of PDPs (may have changed since last time)
pdps.clear();
synchronized(papEngine) {
try {
for (OnapPDPGroup g : papEngine.getOnapPDPGroups()) {
for (OnapPDP p : g.getOnapPdps()) {
pdps.add(p);
}
}
} catch (PAPException e) {
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", "Heartbeat unable to read PDPs from PAPEngine");
}
}
// Check for shutdown
if (this.isRunning() == false) {
LOGGER.info("isRunning is false, getting out of loop.");
break;
}
// try to get the summary status from each PDP
boolean changeSeen = false;
for (OnapPDP pdp : pdps) {
// Check for shutdown
if (this.isRunning() == false) {
LOGGER.info("isRunning is false, getting out of loop.");
break;
}
// the id of the PDP is its url (though we add a query parameter)
URL pdpURL = idToURLMap.get(pdp.getId());
if (pdpURL == null) {
// haven't seen this PDP before
String fullURLString = null;
try {
// Check PDP ID
if(CheckPDP.validateID(pdp.getId())){
fullURLString = pdp.getId() + "?type=hb";
pdpURL = new URL(fullURLString);
idToURLMap.put(pdp.getId(), pdpURL);
}
} catch (MalformedURLException e) {
PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE, e, "XACMLPapServlet", " PDP id '" + fullURLString + "' is not a valid URL");
continue;
}
}
// Do a GET with type HeartBeat
String newStatus = "";
HttpURLConnection connection = null;
try {
// Open up the connection
if(pdpURL != null){
connection = (HttpURLConnection)pdpURL.openConnection();
// Setup our method and headers
connection.setRequestMethod("GET");
connection.setConnectTimeout(heartbeatTimeout);
// Authentication
String encoding = CheckPDP.getEncoding(pdp.getId());
if(encoding !=null){
connection.setRequestProperty("Authorization", "Basic " + encoding);
}
// Do the connect
connection.connect();
if (connection.getResponseCode() == 204) {
newStatus = connection.getHeaderField(XACMLRestProperties.PROP_PDP_HTTP_HEADER_HB);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Heartbeat '" + pdp.getId() + "' status='" + newStatus + "'");
}
} else {
// anything else is an unexpected result
newStatus = PDPStatus.Status.UNKNOWN.toString();
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " Heartbeat connect response code " + connection.getResponseCode() + ": " + pdp.getId());
}
}
} catch (UnknownHostException e) {
newStatus = PDPStatus.Status.NO_SUCH_HOST.toString();
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Heartbeat '" + pdp.getId() + "' NO_SUCH_HOST");
} catch (SocketTimeoutException e) {
newStatus = PDPStatus.Status.CANNOT_CONNECT.toString();
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Heartbeat '" + pdp.getId() + "' connection timeout");
} catch (ConnectException e) {
newStatus = PDPStatus.Status.CANNOT_CONNECT.toString();
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Heartbeat '" + pdp.getId() + "' cannot connect");
} catch (Exception e) {
newStatus = PDPStatus.Status.UNKNOWN.toString();
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", "Heartbeat '" + pdp.getId() + "' connect exception");
} finally {
// cleanup the connection
if(connection != null)
connection.disconnect();
}
if ( ! pdp.getStatus().getStatus().toString().equals(newStatus)) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("previous status='" + pdp.getStatus().getStatus()+"' new Status='" + newStatus + "'");
}
try {
setPDPSummaryStatus(pdp, newStatus);
} catch (PAPException e) {
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", "Unable to set state for PDP '" + pdp.getId());
}
changeSeen = true;
}
}
// Check for shutdown
if (this.isRunning() == false) {
LOGGER.info("isRunning is false, getting out of loop.");
break;
}
// if any of the PDPs changed state, tell the ACs to update
if (changeSeen) {
notifyAC();
}
}
} catch (InterruptedException e) {
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " Heartbeat interrupted. Shutting down");
this.terminate();
Thread.currentThread().interrupt();
}
}
}
/*
* HELPER to change Group status when PDP status is changed
* (Must NOT be called from a method that is synchronized on the papEngine or it may deadlock)
*/
private void setPDPSummaryStatus(OnapPDP pdp, PDPStatus.Status newStatus) throws PAPException {
setPDPSummaryStatus(pdp, newStatus.toString());
}
private void setPDPSummaryStatus(OnapPDP pdp, String newStatus) throws PAPException {
synchronized(papEngine) {
StdPDPStatus status = new StdPDPStatus();
status.setStatus(PDPStatus.Status.valueOf(newStatus));
((StdPDP)pdp).setStatus(status);
// now adjust the group
StdPDPGroup group = (StdPDPGroup)papEngine.getPDPGroup((OnapPDP) pdp);
// if the PDP was just deleted it may transiently exist but not be in a group
if (group != null) {
group.resetStatus();
}
}
}
/*
* Callback methods telling this servlet to notify PDPs of changes made by the PAP StdEngine
* in the PDP group directories
*/
@Override
public void changed() {
// all PDPs in all groups need to be updated/sync'd
Set<OnapPDPGroup> groups;
try {
groups = papEngine.getOnapPDPGroups();
} catch (PAPException e) {
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " getPDPGroups failed");
throw new IllegalAccessError(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Unable to get Groups: " + e);
}
for (OnapPDPGroup group : groups) {
groupChanged(group);
}
}
public void changed(ONAPLoggingContext loggingContext) {
// all PDPs in all groups need to be updated/sync'd
Set<OnapPDPGroup> groups;
try {
groups = papEngine.getOnapPDPGroups();
} catch (PAPException e) {
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " getPDPGroups failed");
throw new IllegalAccessError(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Unable to get Groups: " + e);
}
for (OnapPDPGroup group : groups) {
groupChanged(group, loggingContext);
}
}
@Override
public void groupChanged(OnapPDPGroup group) {
// all PDPs within one group need to be updated/sync'd
for (OnapPDP pdp : group.getOnapPdps()) {
pdpChanged(pdp);
}
}
public void groupChanged(OnapPDPGroup group, ONAPLoggingContext loggingContext) {
// all PDPs within one group need to be updated/sync'd
for (OnapPDP pdp : group.getOnapPdps()) {
pdpChanged(pdp, loggingContext);
}
}
@Override
public void pdpChanged(OnapPDP pdp) {
// kick off a thread to do an event notification for each PDP.
// This needs to be on a separate thread so that PDPs that do not respond (down, non-existent, etc)
// do not block the PSP response to the AC, which would freeze the GUI until all PDPs sequentially respond or time-out.
Thread t = new Thread(new UpdatePDPThread(pdp));
if(CheckPDP.validateID(pdp.getId())){
t.start();
}
}
public void pdpChanged(OnapPDP pdp, ONAPLoggingContext loggingContext) {
// kick off a thread to do an event notification for each PDP.
// This needs to be on a separate thread so that PDPs that do not respond (down, non-existent, etc)
// do not block the PSP response to the AC, which would freeze the GUI until all PDPs sequentially respond or time-out.
Thread t = new Thread(new UpdatePDPThread(pdp, loggingContext));
if(CheckPDP.validateID(pdp.getId())){
t.start();
}
}
private class UpdatePDPThread implements Runnable {
private OnapPDP pdp;
private String requestId;
private ONAPLoggingContext loggingContext;
public UpdatePDPThread(OnapPDP pdp) {
this.pdp = pdp;
}
public UpdatePDPThread(OnapPDP pdp, ONAPLoggingContext loggingContext) {
this.pdp = pdp;
if ((loggingContext != null) && (loggingContext.getRequestID() != null || loggingContext.getRequestID() == "")) {
this.requestId = loggingContext.getRequestID();
}
this.loggingContext = loggingContext;
}
public void run() {
// send the current configuration to one PDP
HttpURLConnection connection = null;
// get a new logging context for the thread
try {
if (this.loggingContext == null) {
loggingContext = new ONAPLoggingContext(baseLoggingContext);
}
} catch (Exception e) {
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Failed to send property file to " + pdp.getId());
// Since this is a server-side error, it probably does not reflect a problem on the client,
// so do not change the PDP status.
return;
}
try {
loggingContext.setServiceName("PAP:PDP.putConfig");
// If a requestId was provided, use it, otherwise generate one; post to loggingContext to be used later when calling PDP
if ((requestId == null) || (requestId == "")) {
UUID requestID = UUID.randomUUID();
loggingContext.setRequestID(requestID.toString());
PolicyLogger.info("requestID not provided in call to XACMLPapSrvlet (UpdatePDPThread) so we generated one: " + loggingContext.getRequestID());
} else {
loggingContext.setRequestID(requestId);
PolicyLogger.info("requestID was provided in call to XACMLPapSrvlet (UpdatePDPThread): " + loggingContext.getRequestID());
}
loggingContext.transactionStarted();
// the Id of the PDP is its URL
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("creating url for id '" + pdp.getId() + "'");
}
//TODO - currently always send both policies and pips. Do we care enough to add code to allow sending just one or the other?
//TODO (need to change "cache=", implying getting some input saying which to change)
URL url = new URL(pdp.getId() + "?cache=all");
// Open up the connection
connection = (HttpURLConnection)url.openConnection();
// Setup our method and headers
connection.setRequestMethod("PUT");
// Authentication
String encoding = CheckPDP.getEncoding(pdp.getId());
if(encoding !=null){
connection.setRequestProperty("Authorization", "Basic " + encoding);
}
connection.setRequestProperty("Content-Type", "text/x-java-properties");
connection.setRequestProperty("X-ECOMP-RequestID", loggingContext.getRequestID());
connection.setInstanceFollowRedirects(true);
connection.setDoOutput(true);
try (OutputStream os = connection.getOutputStream()) {
OnapPDPGroup group = papEngine.getPDPGroup((OnapPDP) pdp);
// if the PDP was just deleted, there is no group, but we want to send an update anyway
if (group == null) {
// create blank properties files
Properties policyProperties = new Properties();
policyProperties.put(XACMLProperties.PROP_ROOTPOLICIES, "");
policyProperties.put(XACMLProperties.PROP_REFERENCEDPOLICIES, "");
policyProperties.store(os, "");
Properties pipProps = new Properties();
pipProps.setProperty(XACMLProperties.PROP_PIP_ENGINES, "");
pipProps.store(os, "");
} else {
// send properties from the current group
group.getPolicyProperties().store(os, "");
Properties policyLocations = new Properties();
for (PDPPolicy policy : group.getPolicies()) {
policyLocations.put(policy.getId() + ".url", XACMLPapServlet.papURL + "?id=" + policy.getId());
}
policyLocations.store(os, "");
group.getPipConfigProperties().store(os, "");
}
} catch (Exception e) {
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Failed to send property file to " + pdp.getId());
// Since this is a server-side error, it probably does not reflect a problem on the client,
// so do not change the PDP status.
return;
}
// Do the connect
loggingContext.metricStarted();
connection.connect();
loggingContext.metricEnded();
PolicyLogger.metrics("XACMLPapServlet UpdatePDPThread connection connect");
if (connection.getResponseCode() == 204) {
LOGGER.info("Success. We are configured correctly.");
loggingContext.transactionEnded();
auditLogger.info("Success. PDP is configured correctly.");
PolicyLogger.audit("Transaction Success. PDP is configured correctly.");
setPDPSummaryStatus(pdp, PDPStatus.Status.UP_TO_DATE);
} else if (connection.getResponseCode() == 200) {
LOGGER.info("Success. PDP needs to update its configuration.");
loggingContext.transactionEnded();
auditLogger.info("Success. PDP needs to update its configuration.");
PolicyLogger.audit("Transaction Success. PDP is configured correctly.");
setPDPSummaryStatus(pdp, PDPStatus.Status.OUT_OF_SYNCH);
} else {
LOGGER.warn("Failed: " + connection.getResponseCode() + " message: " + connection.getResponseMessage());
loggingContext.transactionEnded();
auditLogger.warn("Failed: " + connection.getResponseCode() + " message: " + connection.getResponseMessage());
PolicyLogger.audit("Transaction Failed: " + connection.getResponseCode() + " message: " + connection.getResponseMessage());
setPDPSummaryStatus(pdp, PDPStatus.Status.UNKNOWN);
}
} catch (Exception e) {
LOGGER.debug(e);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Unable to sync config with PDP '" + pdp.getId() + "'");
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed: Unable to sync config with PDP '" + pdp.getId() + "': " + e);
try {
setPDPSummaryStatus(pdp, PDPStatus.Status.UNKNOWN);
} catch (PAPException e1) {
LOGGER.debug(e1);
PolicyLogger.audit("Transaction Failed: Unable to set status of PDP " + pdp.getId() + " to UNKNOWN: " + e);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Unable to set status of PDP '" + pdp.getId() + "' to UNKNOWN");
}
} finally {
// cleanup the connection
if(connection != null){
connection.disconnect();
}
// tell the AC to update it's status info
notifyAC();
}
}
}
/*
* RESTful Interface from PAP to ACs notifying them of changes
*/
private void notifyAC() {
// kick off a thread to do one event notification for all registered ACs
// This needs to be on a separate thread so that ACs can make calls back to PAP to get the updated Group data
// as part of processing this message on their end.
Thread t = new Thread(new NotifyACThread());
t.start();
}
private class NotifyACThread implements Runnable {
public void run() {
List<String> disconnectedACs = new ArrayList<>();
// There should be no Concurrent exception here because the list is a CopyOnWriteArrayList.
// The "for each" loop uses the collection's iterator under the covers, so it should be correct.
for (String acURL : adminConsoleURLStringList) {
HttpURLConnection connection = null;
try {
acURL += "?PAPNotification=true";
//TODO - Currently we just tell AC that "Something changed" without being specific. Do we want to tell it which group/pdp changed?
//TODO - If so, put correct parameters into the Query string here
acURL += "&objectType=all" + "&action=update";
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("creating url for id '" + acURL + "'");
}
//TODO - currently always send both policies and pips. Do we care enough to add code to allow sending just one or the other?
//TODO (need to change "cache=", implying getting some input saying which to change)
URL url = new URL(acURL );
// Open up the connection
connection = (HttpURLConnection)url.openConnection();
// Setup our method and headers
connection.setRequestMethod("PUT");
connection.setRequestProperty("Content-Type", "text/x-java-properties");
// Adding this in. It seems the HttpUrlConnection class does NOT
// properly forward our headers for POST re-direction. It does so
// for a GET re-direction.
// So we need to handle this ourselves.
//TODO - is this needed for a PUT? seems better to leave in for now?
connection.setInstanceFollowRedirects(false);
// Do not include any data in the PUT because this is just a
// notification to the AC.
// The AC will use GETs back to the PAP to get what it needs
// to fill in the screens.
// Do the connect
connection.connect();
if (connection.getResponseCode() == 204) {
LOGGER.info("Success. We updated correctly.");
} else {
LOGGER.warn(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Failed: " + connection.getResponseCode() + " message: " + connection.getResponseMessage());
}
} catch (Exception e) {
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "XACMLPapServlet", " Unable to sync config AC '" + acURL + "'");
disconnectedACs.add(acURL);
} finally {
// cleanup the connection
if(connection != null)
connection.disconnect();
}
}
// remove any ACs that are no longer connected
if (disconnectedACs.size() > 0) {
adminConsoleURLStringList.removeAll(disconnectedACs);
}
}
}
private void testService(ONAPLoggingContext loggingContext, HttpServletResponse response) throws IOException{
LOGGER.info("Test request received");
try {
im.evaluateSanity();
//If we make it this far, all is well
String message = "GET:/pap/test called and PAP " + papResourceName + " is OK";
LOGGER.info(message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
response.setStatus(HttpServletResponse.SC_OK);
return;
}catch (ForwardProgressException | AdministrativeStateException | StandbyStatusException e){
String submsg;
if (e instanceof ForwardProgressException) {
submsg = " is not making forward progress.";
} else if (e instanceof AdministrativeStateException) {
submsg = " Administrative State is LOCKED.";
} else {
submsg = " Standby Status is NOT PROVIDING SERVICE.";
}
String message = "GET:/pap/test called and PAP " + papResourceName + submsg
+ " Exception Message: " + e.getMessage();
LOGGER.info(message, e);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
}catch (Exception e) {
//A subsystem is not making progress, is locked, standby or is not responding
String eMsg = e.getMessage();
if(eMsg == null){
eMsg = "No Exception Message";
}
String message = "GET:/pap/test called and PAP " + papResourceName + " has had a subsystem failure."
+ " Exception Message: " + eMsg;
LOGGER.info(message, e);
PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
loggingContext.transactionEnded();
PolicyLogger.audit("Transaction Failed - See Error.log");
//Get the specific list of subsystems that failed
String ssFailureList = null;
for(String failedSS : papDependencyGroupsFlatArray){
if(eMsg.contains(failedSS)){
if(ssFailureList == null){
ssFailureList = failedSS;
}else{
ssFailureList = ssFailureList.concat(","+failedSS);
}
}
}
if(ssFailureList == null){
ssFailureList = "UnknownSubSystem";
}
response.addHeader("X-ONAP-SubsystemFailure", ssFailureList);
setResponseError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, message);
return;
}
}
/*
* Authorizing the PEP Requests.
*/
private boolean authorizeRequest(HttpServletRequest request) {
String clientCredentials = request.getHeader(ENVIRONMENT_HEADER);
// Check if the Client is Authorized.
if(clientCredentials!=null && clientCredentials.equalsIgnoreCase(environment)){
return true;
}else{
return false;
}
}
private static void loadWebapps() throws PAPException{
if(actionHome == null || configHome == null){
Path webappsPath = Paths.get(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_WEBAPPS));
//Sanity Check
if (webappsPath == null) {
PolicyLogger.error("Invalid Webapps Path Location property : " + XACMLRestProperties.PROP_PAP_WEBAPPS);
throw new PAPException("Invalid Webapps Path Location property : " + XACMLRestProperties.PROP_PAP_WEBAPPS);
}
Path webappsPathConfig = Paths.get(webappsPath.toString()+File.separator+"Config");
Path webappsPathAction = Paths.get(webappsPath.toString()+File.separator+"Action");
if (Files.notExists(webappsPathConfig)) {
try {
Files.createDirectories(webappsPathConfig);
} catch (IOException e) {
PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", "Failed to create config directory: "
+ webappsPathConfig.toAbsolutePath().toString());
}
}
if (Files.notExists(webappsPathAction)) {
try {
Files.createDirectories(webappsPathAction);
} catch (IOException e) {
LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Failed to create action directory: "
+ webappsPathAction.toAbsolutePath().toString(), e);
}
}
actionHome = webappsPathAction.toString();
configHome = webappsPathConfig.toString();
}
}
public static String getConfigHome(){
try {
loadWebapps();
} catch (PAPException e) {
LOGGER.debug(e);
return null;
}
return configHome;
}
private static void setConfigHome(){
configHome = getConfigHome();
}
public static String getActionHome(){
try {
loadWebapps();
} catch (PAPException e) {
LOGGER.debug(e);
return null;
}
return actionHome;
}
private static void setActionHome(){
actionHome = getActionHome();
}
public static EntityManagerFactory getEmf() {
return emf;
}
public IntegrityAudit getIa() {
return ia;
}
public static String getPDPFile(){
return XACMLPapServlet.pdpFile;
}
public static String getPersistenceUnit(){
return PERSISTENCE_UNIT;
}
public static PAPPolicyEngine getPAPEngine(){
return papEngine;
}
public static PolicyDBDaoTransaction getDbDaoTransaction(){
return policyDBDao.getNewTransaction();
}
public static String getPapDbDriver() {
return papDbDriver;
}
public static void setPapDbDriver(String papDbDriver) {
XACMLPapServlet.papDbDriver = papDbDriver;
}
public static String getPapDbUrl() {
return papDbUrl;
}
public static void setPapDbUrl(String papDbUrl) {
XACMLPapServlet.papDbUrl = papDbUrl;
}
public static String getPapDbUser() {
return papDbUser;
}
public static void setPapDbUser(String papDbUser) {
XACMLPapServlet.papDbUser = papDbUser;
}
public static String getPapDbPassword() {
return papDbPassword;
}
public static void setPapDbPassword(String papDbPassword) {
XACMLPapServlet.papDbPassword = papDbPassword;
}
public static String getMsOnapName() {
return msOnapName;
}
public static void setMsOnapName(String msOnapName) {
XACMLPapServlet.msOnapName = msOnapName;
}
public static String getMsPolicyName() {
return msPolicyName;
}
public static void setMsPolicyName(String msPolicyName) {
XACMLPapServlet.msPolicyName = msPolicyName;
}
}
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