2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017,2019 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 com.att.research.xacml.api.pap.PAPException;
24 import java.io.FileInputStream;
25 import java.io.IOException;
26 import java.io.InputStream;
27 import java.nio.charset.StandardCharsets;
28 import java.nio.file.Files;
29 import java.nio.file.Path;
30 import java.nio.file.Paths;
31 import java.util.ArrayList;
32 import java.util.Arrays;
33 import java.util.Base64;
34 import java.util.Collection;
35 import java.util.Collections;
36 import java.util.HashMap;
37 import java.util.List;
38 import java.util.Objects;
39 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.utils.PeCryptoUtils;
46 import org.onap.policy.xacml.api.XACMLErrorConstants;
48 public class CheckPDP {
50 private static Path pdpPath = null;
51 private static Properties pdpProp = null;
52 private static Long oldModified = null;
53 private static Long newModified = null;
54 private static HashMap<String, String> pdpMap = null;
55 private static final Logger logger = FlexLogger.getLogger(CheckPDP.class);
57 public static boolean validateID(String id) {
61 } catch (Exception e) {
62 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exception reading file");
66 if (pdpMap.containsKey(id)) {
72 private static void readFile() throws PAPException {
73 String pdpFile = XACMLPapServlet.getPDPFile();
74 if (pdpFile == null) {
75 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "PDP File name is undefined");
76 throw new PAPException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"PDP File name not Valid : " + pdpFile);
78 if (pdpPath == null) {
79 pdpPath = Paths.get(pdpFile);
80 if (Files.notExists(pdpPath)) {
81 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "File doesn't exist in the specified Path");
82 throw new PAPException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"File doesn't exist in the specified Path : "+ pdpPath.toString());
84 if (pdpPath.toString().endsWith(".properties")) {
87 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + "Not a .properties file");
88 throw new PAPException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Not a .properties file");
91 // Check if File is updated recently
93 newModified = pdpPath.toFile().lastModified();
94 if (!Objects.equals(newModified, oldModified)) {
95 // File has been updated.
101 @SuppressWarnings({ "rawtypes", "unchecked" })
102 private static void readProps() throws PAPException {
104 pdpProp = new Properties();
106 in = new FileInputStream(pdpPath.toFile());
107 oldModified = pdpPath.toFile().lastModified();
109 } catch (IOException e) {
110 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Cannot load the Properties file");
111 throw new PAPException("Cannot Load the Properties file", e);
113 // Read the Properties and Load the PDPs and encoding.
114 pdpMap = new HashMap<>();
115 // Check the Keys for PDP_URLs
116 Collection<Object> unsorted = pdpProp.keySet();
117 List<String> sorted = new ArrayList(unsorted);
118 Collections.sort(sorted);
119 for (String propKey : sorted) {
120 if (propKey.startsWith("PDP_URL")) {
121 String check_val = pdpProp.getProperty(propKey);
122 if (check_val == null) {
123 throw new PAPException("Properties file doesn't have the PDP_URL parameter");
125 if (check_val.contains(";")) {
126 List<String> pdp_default = new ArrayList<>(Arrays.asList(check_val.split("\\s*;\\s*")));
128 while (pdpCount < pdp_default.size()) {
129 String pdpVal = pdp_default.get(pdpCount);
130 readPDPParam(pdpVal);
134 readPDPParam(check_val);
138 if (pdpMap == null || pdpMap.isEmpty()) {
139 logger.debug(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Cannot Proceed without PDP_URLs");
140 throw new PAPException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Cannot Proceed without PDP_URLs");
144 private static void readPDPParam(String pdpVal) throws PAPException{
145 if(pdpVal.contains(",")){
146 List<String> pdpValues = new ArrayList<>(Arrays.asList(pdpVal.split("\\s*,\\s*")));
147 if(pdpValues.size()==3){
148 // 1:2 will be UserID:Password
149 String userID = pdpValues.get(1);
150 String pass = PeCryptoUtils.decrypt(pdpValues.get(2));
151 Base64.Encoder encoder = Base64.getEncoder();
153 pdpMap.put(pdpValues.get(0), encoder.encodeToString((userID+":"+pass).getBytes(StandardCharsets.UTF_8)));
155 PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + "No Credentials to send Request");
156 throw new PAPException(XACMLErrorConstants.ERROR_PERMISSIONS + "No enough Credentials to send Request. " + pdpValues);
159 PolicyLogger.error(MessageCodes.ERROR_PERMISSIONS + "No Credentials to send Request: " + pdpVal);
160 throw new PAPException(XACMLErrorConstants.ERROR_PERMISSIONS +"No enough Credentials to send Request.");
164 public static String getEncoding(String pdpID){
167 } catch (Exception e) {
168 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exeption reading Properties file");
170 String encoding = null;
171 if(pdpMap!=null && (!pdpMap.isEmpty())){
173 encoding = pdpMap.get(pdpID);
174 } catch(Exception e){
175 PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "CheckPDP", "Exception encoding");