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.onap.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.Objects;
38 import java.util.Properties;
40 import org.onap.policy.common.logging.eelf.MessageCodes;
41 import org.onap.policy.common.logging.eelf.PolicyLogger;
42 import org.onap.policy.common.logging.flexlogger.FlexLogger;
43 import org.onap.policy.common.logging.flexlogger.Logger;
44 import org.onap.policy.pap.xacml.rest.XACMLPapServlet;
45 import org.onap.policy.xacml.api.XACMLErrorConstants;
47 import com.att.research.xacml.api.pap.PAPException;
49 public class CheckPDP {
51 private static Path pdpPath = null;
52 private static Properties pdpProp = null;
53 private static Long oldModified = null;
54 private static Long newModified = null;
55 private static HashMap<String, String> pdpMap = null;
56 private static final Logger logger = FlexLogger.getLogger(CheckPDP.class);
58 public static boolean validateID(String id) {
62 } catch (Exception e) {
63 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exception reading file");
67 if (pdpMap.containsKey(id)) {
73 private static void readFile() throws PAPException {
74 String pdpFile = XACMLPapServlet.getPDPFile();
75 if (pdpFile == null) {
76 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "PDP File name is undefined");
77 throw new PAPException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"PDP File name not Valid : " + pdpFile);
79 if (pdpPath == null) {
80 pdpPath = Paths.get(pdpFile);
81 if (Files.notExists(pdpPath)) {
82 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "File doesn't exist in the specified Path");
83 throw new PAPException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"File doesn't exist in the specified Path : "+ pdpPath.toString());
85 if (pdpPath.toString().endsWith(".properties")) {
88 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "Not a .properties file");
89 throw new PAPException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Not a .properties file");
92 // Check if File is updated recently
94 newModified = pdpPath.toFile().lastModified();
95 if (!Objects.equals(newModified, oldModified)) {
96 // File has been updated.
102 @SuppressWarnings({ "rawtypes", "unchecked" })
103 private static void readProps() throws PAPException {
105 pdpProp = new Properties();
107 in = new FileInputStream(pdpPath.toFile());
108 oldModified = pdpPath.toFile().lastModified();
110 } catch (IOException e) {
111 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Cannot load the Properties file");
112 throw new PAPException("Cannot Load the Properties file", e);
114 // Read the Properties and Load the PDPs and encoding.
115 pdpMap = new HashMap<>();
116 // Check the Keys for PDP_URLs
117 Collection<Object> unsorted = pdpProp.keySet();
118 List<String> sorted = new ArrayList(unsorted);
119 Collections.sort(sorted);
120 for (String propKey : sorted) {
121 if (propKey.startsWith("PDP_URL")) {
122 String check_val = pdpProp.getProperty(propKey);
123 if (check_val == null) {
124 throw new PAPException("Properties file doesn't have the PDP_URL parameter");
126 if (check_val.contains(";")) {
127 List<String> pdp_default = new ArrayList<>(Arrays.asList(check_val.split("\\s*;\\s*")));
129 while (pdpCount < pdp_default.size()) {
130 String pdpVal = pdp_default.get(pdpCount);
131 readPDPParam(pdpVal);
135 readPDPParam(check_val);
139 if (pdpMap == null || pdpMap.isEmpty()) {
140 logger.debug(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Cannot Proceed without PDP_URLs");
141 throw new PAPException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Cannot Proceed without PDP_URLs");
145 private static void readPDPParam(String pdpVal) throws PAPException{
146 if(pdpVal.contains(",")){
147 List<String> pdpValues = new ArrayList<>(Arrays.asList(pdpVal.split("\\s*,\\s*")));
148 if(pdpValues.size()==3){
149 // 1:2 will be UserID:Password
150 String userID = pdpValues.get(1);
151 String pass = pdpValues.get(2);
152 Base64.Encoder encoder = Base64.getEncoder();
154 pdpMap.put(pdpValues.get(0), encoder.encodeToString((userID+":"+pass).getBytes(StandardCharsets.UTF_8)));
156 PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + "No Credentials to send Request");
157 throw new PAPException(XACMLErrorConstants.ERROR_PERMISSIONS + "No enough Credentials to send Request. " + pdpValues);
160 PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + "No Credentials to send Request: " + pdpVal);
161 throw new PAPException(XACMLErrorConstants.ERROR_PERMISSIONS +"No enough Credentials to send Request.");
165 public static String getEncoding(String pdpID){
168 } catch (Exception e) {
169 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exeption reading Properties file");
171 String encoding = null;
172 if(pdpMap!=null && (!pdpMap.isEmpty())){
174 encoding = pdpMap.get(pdpID);
175 } catch(Exception e){
176 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exception encoding");