2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.policy.pap.xacml.restAuth;
23 import java.io.FileInputStream;
24 import java.io.IOException;
25 import java.io.InputStream;
26 import java.nio.charset.StandardCharsets;
27 import java.nio.file.Files;
28 import java.nio.file.Path;
29 import java.nio.file.Paths;
30 import java.util.ArrayList;
31 import java.util.Arrays;
32 import java.util.Base64;
33 import java.util.Collection;
34 import java.util.Collections;
35 import java.util.HashMap;
36 import java.util.List;
37 import java.util.Properties;
39 import org.openecomp.policy.common.logging.eelf.MessageCodes;
40 import org.openecomp.policy.common.logging.eelf.PolicyLogger;
41 import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
42 import org.openecomp.policy.common.logging.flexlogger.Logger;
43 import org.openecomp.policy.pap.xacml.rest.XACMLPapServlet;
44 import org.openecomp.policy.xacml.api.XACMLErrorConstants;
46 public class CheckPDP {
48 private static Path pdpPath = null;
49 private static Properties pdpProp = null;
50 private static Long oldModified = null;
51 private static Long newModified = null;
52 private static HashMap<String, String> pdpMap = null;
53 private static final Logger logger = FlexLogger.getLogger(CheckPDP.class);
55 public static boolean validateID(String id) {
59 } catch (Exception e) {
60 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exception reading file");
64 if (pdpMap.containsKey(id)) {
70 private static void readFile() throws Exception {
71 String pdpFile = XACMLPapServlet.getPDPFile();
72 if (pdpFile == null) {
73 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "PDP File name is undefined");
74 throw new Exception(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"PDP File name not Valid : " + pdpFile);
76 if (pdpPath == null) {
77 pdpPath = Paths.get(pdpFile);
78 if (Files.notExists(pdpPath)) {
79 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "File doesn't exist in the specified Path");
80 throw new Exception(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"File doesn't exist in the specified Path : "+ pdpPath.toString());
82 if (pdpPath.toString().endsWith(".properties")) {
85 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "Not a .properties file");
86 throw new Exception(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Not a .properties file");
89 // Check if File is updated recently
91 newModified = pdpPath.toFile().lastModified();
92 if (newModified != oldModified) {
93 // File has been updated.
99 @SuppressWarnings({ "rawtypes", "unchecked" })
100 private static void readProps() throws Exception {
102 pdpProp = new Properties();
104 in = new FileInputStream(pdpPath.toFile());
105 oldModified = pdpPath.toFile().lastModified();
107 } catch (IOException e) {
108 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Cannot load the Properties file");
109 throw new Exception("Cannot Load the Properties file", e);
111 // Read the Properties and Load the PDPs and encoding.
112 pdpMap = new HashMap<String, String>();
113 // Check the Keys for PDP_URLs
114 Collection<Object> unsorted = pdpProp.keySet();
115 List<String> sorted = new ArrayList(unsorted);
116 Collections.sort(sorted);
117 for (String propKey : sorted) {
118 if (propKey.startsWith("PDP_URL")) {
119 String check_val = pdpProp.getProperty(propKey);
120 if (check_val == null) {
121 throw new Exception("Properties file doesn't have the PDP_URL parameter");
123 if (check_val.contains(";")) {
124 List<String> pdp_default = new ArrayList<String>(Arrays.asList(check_val.split("\\s*;\\s*")));
126 while (pdpCount < pdp_default.size()) {
127 String pdpVal = pdp_default.get(pdpCount);
128 readPDPParam(pdpVal);
132 readPDPParam(check_val);
136 if (pdpMap == null || pdpMap.isEmpty()) {
137 logger.debug(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Cannot Proceed without PDP_URLs");
138 throw new Exception(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Cannot Proceed without PDP_URLs");
142 private static void readPDPParam(String pdpVal) throws Exception{
143 if(pdpVal.contains(",")){
144 List<String> pdpValues = new ArrayList<String>(Arrays.asList(pdpVal.split("\\s*,\\s*")));
145 if(pdpValues.size()==3){
146 // 1:2 will be UserID:Password
147 String userID = pdpValues.get(1);
148 String pass = pdpValues.get(2);
149 Base64.Encoder encoder = Base64.getEncoder();
151 pdpMap.put(pdpValues.get(0), encoder.encodeToString((userID+":"+pass).getBytes(StandardCharsets.UTF_8)));
153 PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + "No Credentials to send Request");
154 throw new Exception(XACMLErrorConstants.ERROR_PERMISSIONS + "No enough Credentials to send Request. " + pdpValues);
157 PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + "No Credentials to send Request: " + pdpVal);
158 throw new Exception(XACMLErrorConstants.ERROR_PERMISSIONS +"No enough Credentials to send Request.");
162 public static String getEncoding(String pdpID){
165 } catch (Exception e) {
166 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exeption reading Properties file");
168 String encoding = null;
169 if(pdpMap!=null && (!pdpMap.isEmpty())){
171 encoding = pdpMap.get(pdpID);
172 } catch(Exception e){
173 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exception encoding");