* ONAP Policy Engine
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
+import java.util.Map;
import java.util.Properties;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import com.att.research.xacml.util.XACMLProperties;
+/**
+ * What is not good about this class is that once a value has been set for pdpProperties path
+ * you cannot change it. That may be ok for a highly controlled production environment in which
+ * nothing changes, but not a very good implementation.
+ *
+ * The reset() method has been added to assist with the above problem in order to
+ * acquire >80% JUnit code coverage.
+ *
+ * This static class doesn't really check a PDP, it simply loads a properties file and tried
+ * to ensure that a valid URL exists for a PDP along with user/password.
+ *
+ */
public class CheckPDP {
- private static Path pdpPath = null;
- private static Long oldModified = null;
- private static HashMap<String, String> pdpMap = null;
- private static final Logger LOGGER = FlexLogger.getLogger(CheckPDP.class);
-
- private CheckPDP(){
- //default constructor
- }
- public static boolean validateID(String id) {
- // ReadFile
- try {
- readFile();
- } catch (Exception e) {
- LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
- return false;
- }
- // Check ID
- return pdpMap.containsKey(id);
- }
+ private static Path pdpPath = null;
+ private static Long oldModified = null;
+ private static HashMap<String, String> pdpMap = null;
+ private static final Logger LOGGER = FlexLogger.getLogger(CheckPDP.class);
+
+ private CheckPDP(){
+ //default constructor
+ }
+
+ public static Map<String, String> getPdpMap() {
+ return pdpMap;
+ }
+
+ private static void reset() {
+ pdpPath = null;
+ oldModified = null;
+ pdpMap = null;
+ }
+
+ public static boolean validateID(String id) {
+ // ReadFile
+ try {
+ readFile();
+ } catch (Exception e) {
+ LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
+ return false;
+ }
+ if (pdpMap == null) {
+ return false;
+ }
+ // Check ID
+ return pdpMap.containsKey(id);
+ }
+
+ private static void readFile(){
+ String pdpFile = null;
+ try{
+ pdpFile = XACMLProperties.getProperty(XACMLRestProperties.PROP_PDP_IDFILE);
+ }catch (Exception e){
+ LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Cannot read the PDP ID File" + e);
+ return;
+ }
+ if (pdpFile == null) {
+ LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "PDP File name not Valid : " + pdpFile);
+ }
+ if (pdpPath == null) {
+ pdpPath = Paths.get(pdpFile);
+ if (!pdpPath.toString().endsWith(".properties") || !pdpPath.toFile().exists()) {
+ LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "File doesn't exist in the specified Path : " + pdpPath.toString());
+ CheckPDP.reset();
+ return;
+ }
+ readProps();
+ }
+ // Check if File is updated recently
+ else {
+ Long newModified = pdpPath.toFile().lastModified();
+ if (!newModified.equals(oldModified)) {
+ // File has been updated.
+ readProps();
+ }
+ }
+ }
- private static void readFile(){
- String pdpFile = null;
- Long newModified = null;
- try{
- pdpFile = XACMLProperties.getProperty(XACMLRestProperties.PROP_PDP_IDFILE);
- }catch (Exception e){
- LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Cannot read the PDP ID File" + e);
- return;
- }
- if (pdpFile == null) {
- LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "PDP File name not Valid : " + pdpFile);
- }
- if (pdpPath == null) {
- pdpPath = Paths.get(pdpFile);
- if (!pdpPath.toFile().exists()) {
- LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "File doesn't exist in the specified Path : " + pdpPath.toString());
+ @SuppressWarnings({ "unchecked", "rawtypes" })
+ private static void readProps() {
+ Properties pdpProp;
+ pdpProp = new Properties();
+ try(InputStream in = new FileInputStream(pdpPath.toFile())) {
+ oldModified = pdpPath.toFile().lastModified();
+ pdpProp.load(in);
+ // Read the Properties and Load the PDPs and encoding.
+ pdpMap = new HashMap<>();
+ // Check the Keys for PDP_URLs
+ Collection<Object> unsorted = pdpProp.keySet();
+ List<String> sorted = new ArrayList(unsorted);
+ Collections.sort(sorted);
+ for (String propKey : sorted) {
+ loadPDPProperties(propKey, pdpProp);
+ }
+ } catch (IOException e) {
+ LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
+ }
+ if (pdpMap == null || pdpMap.isEmpty()) {
+ LOGGER.debug(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Cannot Proceed without PDP_URLs");
+ CheckPDP.reset();
+ }
+ }
- }
- if (pdpPath.toString().endsWith(".properties")) {
- readProps();
- } else {
- LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Not a .properties file " + pdpFile);
- }
- }
- // Check if File is updated recently
- else {
- newModified = pdpPath.toFile().lastModified();
- if (!newModified.equals(oldModified)) {
- // File has been updated.
- readProps();
- }
- }
- }
+ private static void loadPDPProperties(String propKey, Properties pdpProp){
+ if (propKey.startsWith("PDP_URL")) {
+ String checkVal = pdpProp.getProperty(propKey);
+ if (checkVal == null) {
+ LOGGER.error("Properties file doesn't have the PDP_URL parameter");
+ }
+ if (checkVal != null && checkVal.contains(";")) {
+ List<String> pdpDefault = new ArrayList<>(Arrays.asList(checkVal.split("\\s*;\\s*")));
+ int pdpCount = 0;
+ while (pdpCount < pdpDefault.size()) {
+ String pdpVal = pdpDefault.get(pdpCount);
+ readPDPParam(pdpVal);
+ pdpCount++;
+ }
+ }
+ }
+ }
- @SuppressWarnings({ "unchecked", "rawtypes" })
- private static void readProps() {
- Properties pdpProp = null;
- pdpProp = new Properties();
- try {
- InputStream in = new FileInputStream(pdpPath.toFile());
- oldModified = pdpPath.toFile().lastModified();
- pdpProp.load(in);
- // Read the Properties and Load the PDPs and encoding.
- pdpMap = new HashMap<>();
- // Check the Keys for PDP_URLs
- Collection<Object> unsorted = pdpProp.keySet();
- List<String> sorted = new ArrayList(unsorted);
- Collections.sort(sorted);
- for (String propKey : sorted) {
- loadPDPProperties(propKey, pdpProp);
- }
- if (pdpMap == null || pdpMap.isEmpty()) {
- LOGGER.debug(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Cannot Proceed without PDP_URLs");
- }
- in.close();
- } catch (IOException e) {
- LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
- }
- }
-
- private static void loadPDPProperties(String propKey, Properties pdpProp){
- if (propKey.startsWith("PDP_URL")) {
- String check_val = pdpProp.getProperty(propKey);
- if (check_val == null) {
- LOGGER.error("Properties file doesn't have the PDP_URL parameter");
- }
- if (check_val != null && check_val.contains(";")) {
- List<String> pdp_default = new ArrayList<>(Arrays.asList(check_val.split("\\s*;\\s*")));
- int pdpCount = 0;
- while (pdpCount < pdp_default.size()) {
- String pdpVal = pdp_default.get(pdpCount);
- readPDPParam(pdpVal);
- pdpCount++;
- }
- }
- }
- }
+ private static void readPDPParam(String pdpVal){
+ if(pdpVal.contains(",")){
+ List<String> pdpValues = new ArrayList<>(Arrays.asList(pdpVal.split("\\s*,\\s*")));
+ if(pdpValues.size()==3){
+ // 1:2 will be UserID:Password
+ String userID = pdpValues.get(1);
+ String pass = pdpValues.get(2);
+ Base64.Encoder encoder = Base64.getEncoder();
+ // 0 - PDPURL
+ pdpMap.put(pdpValues.get(0), encoder.encodeToString((userID+":"+pass).getBytes(StandardCharsets.UTF_8)));
+ }else{
+ LOGGER.error(XACMLErrorConstants.ERROR_PERMISSIONS + "No Credentials to send Request: " + pdpValues);
+ }
+ }else{
+ LOGGER.error(XACMLErrorConstants.ERROR_PERMISSIONS + "No Credentials to send Request: " + pdpVal);
+ }
+ }
- private static void readPDPParam(String pdpVal){
- if(pdpVal.contains(",")){
- List<String> pdpValues = new ArrayList<>(Arrays.asList(pdpVal.split("\\s*,\\s*")));
- if(pdpValues.size()==3){
- // 1:2 will be UserID:Password
- String userID = pdpValues.get(1);
- String pass = pdpValues.get(2);
- Base64.Encoder encoder = Base64.getEncoder();
- // 0 - PDPURL
- pdpMap.put(pdpValues.get(0), encoder.encodeToString((userID+":"+pass).getBytes(StandardCharsets.UTF_8)));
- }else{
- LOGGER.error(XACMLErrorConstants.ERROR_PERMISSIONS + "No Credentials to send Request: " + pdpValues);
- }
- }else{
- LOGGER.error(XACMLErrorConstants.ERROR_PERMISSIONS + "No Credentials to send Request: " + pdpVal);
- }
- }
-
- public static String getEncoding(String pdpID){
- try {
- readFile();
- } catch (Exception e) {
- LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
- }
- String encoding = null;
- if(pdpMap!=null && (!pdpMap.isEmpty())){
- try{
- encoding = pdpMap.get(pdpID);
- } catch(Exception e){
- LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
- }
- return encoding;
- }else{
- return null;
- }
- }
+ public static String getEncoding(String pdpID){
+ try {
+ readFile();
+ } catch (Exception e) {
+ LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
+ }
+ String encoding = null;
+ if(pdpMap!=null && (!pdpMap.isEmpty())){
+ try{
+ encoding = pdpMap.get(pdpID);
+ } catch(Exception e){
+ LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
+ }
+ return encoding;
+ }else{
+ return null;
+ }
+ }
}