+++ /dev/null
-/*-
- * ============LICENSE_START=======================================================
- * ECOMP-PDP-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.openecomp.policy.pdp.rest.config;
-
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-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.HashMap;
-import java.util.Map;
-import java.util.Properties;
-import java.util.StringTokenizer;
-
-import org.openecomp.policy.api.PolicyEngineException;
-import org.openecomp.policy.common.logging.eelf.MessageCodes;
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
-import org.openecomp.policy.rest.XACMLRestProperties;
-import org.openecomp.policy.utils.AAFPolicyClient;
-import org.openecomp.policy.utils.AAFPolicyException;
-import org.openecomp.policy.utils.PolicyUtils;
-import org.openecomp.policy.xacml.api.XACMLErrorConstants;
-
-import com.att.research.xacml.util.XACMLProperties;
-
-public class PDPApiAuth {
- private static final Logger LOGGER = FlexLogger.getLogger(PDPApiAuth.class);
-
- private static String environment = null;
- private static Path clientPath = null;
- private static Map<String,ArrayList<String>> clientMap = null;
- private static Long oldModified = null;
- private static AAFPolicyClient aafClient = null;
-
- private PDPApiAuth(){
- // Private Constructor
- }
-
- /*
- * Set Property by reading the properties File.
- */
- public static void setProperty() {
- environment = XACMLProperties.getProperty("ENVIRONMENT", "DEVL");
- String clientFile = XACMLProperties.getProperty(XACMLRestProperties.PROP_PEP_IDFILE);
- if(clientFile!=null){
- clientPath = Paths.get(clientFile);
- }
- try {
- aafClient = AAFPolicyClient.getInstance(XACMLProperties.getProperties());
- } catch (AAFPolicyException | IOException e) {
- LOGGER.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "AAF Client Not instantiated properly.");
- }
- }
-
- /*
- * Return Environment value of the PDP servlet.
- */
- public static String getEnvironment() {
- if(environment==null){
- setProperty();
- }
- return environment;
- }
-
- /*
- * Security check for authentication and authorizations.
- */
- public static boolean checkPermissions(String clientEncoding, String requestID,
- String resource) {
- try{
- String[] userNamePass = PolicyUtils.decodeBasicEncoding(clientEncoding);
- if(userNamePass==null || userNamePass.length==0){
- String usernameAndPassword = null;
- byte[] decodedBytes = Base64.getDecoder().decode(clientEncoding);
- usernameAndPassword = new String(decodedBytes, "UTF-8");
- StringTokenizer tokenizer = new StringTokenizer(usernameAndPassword, ":");
- String username = tokenizer.nextToken();
- String password = tokenizer.nextToken();
- userNamePass= new String[]{username, password};
- }
- LOGGER.info("User " + userNamePass[0] + " is Accessing Policy Engine API.");
- Boolean result = false;
- // Check Backward Compatibility.
- try{
- result = clientAuth(userNamePass);
- }catch(Exception e){
- LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
- }
- if(!result){
- String aafPolicyNameSpace = XACMLProperties.getProperty("policy.aaf.namespace");
- String aafResource = XACMLProperties.getProperty("policy.aaf.resource");
- if(!userNamePass[0].contains("@") && aafPolicyNameSpace!= null){
- userNamePass[0] = userNamePass[0] + "@" + aafPolicyNameSpace;
- }else{
- LOGGER.info("No AAF NameSpace specified in properties");
- }
- if(aafResource != null){
- resource = aafResource + resource;
- }else{
- LOGGER.info("No AAF Resource specified in properties");
- }
- LOGGER.info("Contacting AAF in : " + environment);
- result = aafClient.checkAuthPerm(userNamePass[0], userNamePass[1], resource, environment, ".*");
- }
- return result;
- }catch(Exception e){
- LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
- return false;
- }
- }
-
- private static Boolean clientAuth(String[] userNamePass){
- if(clientPath==null){
- setProperty();
- }
- if (!clientPath.toFile().exists()) {
- return false;
- }else if(clientPath.toString().endsWith(".properties")) {
- try {
- readProps(clientPath);
- if (clientMap.containsKey(userNamePass[0]) && clientMap.get(userNamePass[0]).get(0).equals(userNamePass[1])) {
- return true;
- }
- }catch(PolicyEngineException e){
- LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
- return false;
- }
- }
- return false;
- }
-
- private static Map<String, ArrayList<String>> readProps(Path clientPath) throws PolicyEngineException{
- if(oldModified!=null){
- Long newModified = clientPath.toFile().lastModified();
- if (newModified == oldModified) {
- return clientMap;
- }
- }
- InputStream in;
- Properties clientProp = new Properties();
- try {
- in = new FileInputStream(clientPath.toFile());
- clientProp.load(in);
- } catch (IOException e) {
- LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR , e);
- throw new PolicyEngineException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Cannot Load the Properties file", e);
- }
- // Read the Properties and Load the Clients and their scopes.
- clientMap = new HashMap<>();
- //
- for (Object propKey : clientProp.keySet()) {
- String clientID = (String)propKey;
- String clientValue = clientProp.getProperty(clientID);
- if (clientValue != null && clientValue.contains(",")) {
- ArrayList<String> clientValues = new ArrayList<>(Arrays.asList(clientValue.split("\\s*,\\s*")));
- if(clientValues.get(0)!=null || clientValues.get(1)!=null || clientValues.get(0).isEmpty() || clientValues.get(1).isEmpty()){
- clientMap.put(clientID, clientValues);
- }
- }
- }
- if (clientMap.isEmpty()) {
- LOGGER.debug(XACMLErrorConstants.ERROR_PERMISSIONS + "No Clients ID , Client Key and Scopes are available. Cannot serve any Clients !!");
- throw new PolicyEngineException("Empty Client file");
- }
- oldModified = clientPath.toFile().lastModified();
- return clientMap;
- }
-}
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Code Review / policy / engine.git / blobdiff