--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP-PAP-REST
+ * ================================================================================
+ * Copyright (C) 2017 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.restAuth;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Base64;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Properties;
+
+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.XACMLPapServlet;
+import org.onap.policy.xacml.api.XACMLErrorConstants;
+
+public class CheckPDP {
+
+ private static Path pdpPath = null;
+ private static Properties pdpProp = null;
+ private static Long oldModified = null;
+ private static Long newModified = null;
+ private static HashMap<String, String> pdpMap = null;
+ private static final Logger logger = FlexLogger.getLogger(CheckPDP.class);
+
+ public static boolean validateID(String id) {
+ // ReadFile
+ try {
+ readFile();
+ } catch (Exception e) {
+ PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exception reading file");
+ return false;
+ }
+ // Check ID
+ if (pdpMap.containsKey(id)) {
+ return true;
+ }
+ return false;
+ }
+
+ private static void readFile() throws Exception {
+ String pdpFile = XACMLPapServlet.getPDPFile();
+ if (pdpFile == null) {
+ PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "PDP File name is undefined");
+ throw new Exception(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"PDP File name not Valid : " + pdpFile);
+ }
+ if (pdpPath == null) {
+ pdpPath = Paths.get(pdpFile);
+ if (Files.notExists(pdpPath)) {
+ PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "File doesn't exist in the specified Path");
+ throw new Exception(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"File doesn't exist in the specified Path : "+ pdpPath.toString());
+ }
+ if (pdpPath.toString().endsWith(".properties")) {
+ readProps();
+ } else {
+ PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "Not a .properties file");
+ throw new Exception(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Not a .properties file");
+ }
+ }
+ // Check if File is updated recently
+ else {
+ newModified = pdpPath.toFile().lastModified();
+ if (newModified != oldModified) {
+ // File has been updated.
+ readProps();
+ }
+ }
+ }
+
+ @SuppressWarnings({ "rawtypes", "unchecked" })
+ private static void readProps() throws Exception {
+ InputStream in;
+ pdpProp = new Properties();
+ try {
+ in = new FileInputStream(pdpPath.toFile());
+ oldModified = pdpPath.toFile().lastModified();
+ pdpProp.load(in);
+ } catch (IOException e) {
+ PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Cannot load the Properties file");
+ throw new Exception("Cannot Load the Properties file", e);
+ }
+ // 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) {
+ if (propKey.startsWith("PDP_URL")) {
+ String check_val = pdpProp.getProperty(propKey);
+ if (check_val == null) {
+ throw new Exception("Properties file doesn't have the PDP_URL parameter");
+ }
+ if (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++;
+ }
+ } else {
+ readPDPParam(check_val);
+ }
+ }
+ }
+ if (pdpMap == null || pdpMap.isEmpty()) {
+ logger.debug(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Cannot Proceed without PDP_URLs");
+ throw new Exception(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Cannot Proceed without PDP_URLs");
+ }
+ }
+
+ private static void readPDPParam(String pdpVal) throws Exception{
+ 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{
+ PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + "No Credentials to send Request");
+ throw new Exception(XACMLErrorConstants.ERROR_PERMISSIONS + "No enough Credentials to send Request. " + pdpValues);
+ }
+ }else{
+ PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + "No Credentials to send Request: " + pdpVal);
+ throw new Exception(XACMLErrorConstants.ERROR_PERMISSIONS +"No enough Credentials to send Request.");
+ }
+ }
+
+ public static String getEncoding(String pdpID){
+ try {
+ readFile();
+ } catch (Exception e) {
+ PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exeption reading Properties file");
+ }
+ String encoding = null;
+ if(pdpMap!=null && (!pdpMap.isEmpty())){
+ try{
+ encoding = pdpMap.get(pdpID);
+ } catch(Exception e){
+ PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exception encoding");
+ }
+ return encoding;
+ }else{
+ return null;
+ }
+ }
+
+}
Code Review / policy / engine.git / blobdiff