Initial OpenECOMP policy/engine commit
[policy/engine.git] / ECOMP-PDP-REST / src / main / java / org / openecomp / policy / pdp / rest / restAuth / AuthenticationService.java
1 /*-
2  * ============LICENSE_START=======================================================
3  * ECOMP-PDP-REST
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
10  * 
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  * 
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=========================================================
19  */
20
21 package org.openecomp.policy.pdp.rest.restAuth;
22
23 import java.util.Base64;
24 import java.util.StringTokenizer;
25
26 import org.apache.commons.logging.Log;
27 import org.apache.commons.logging.LogFactory;
28 import org.openecomp.policy.rest.XACMLRestProperties;
29
30 import org.openecomp.policy.xacml.api.XACMLErrorConstants;
31 import com.att.research.xacml.util.XACMLProperties;
32
33 import org.openecomp.policy.common.logging.eelf.MessageCodes;
34 import org.openecomp.policy.common.logging.eelf.PolicyLogger;
35
36 public class AuthenticationService {
37         private String pdpID = XACMLProperties.getProperty(XACMLRestProperties.PROP_PDP_USERID);
38         private String pdpPass = XACMLProperties.getProperty(XACMLRestProperties.PROP_PDP_PASS);
39         private static final Log logger = LogFactory.getLog(AuthenticationService.class);
40         
41         public boolean authenticate(String authCredentials) {
42
43                 if (null == authCredentials)
44                         return false;
45                 // header value format will be "Basic encodedstring" for Basic authentication. 
46                 final String encodedUserPassword = authCredentials.replaceFirst("Basic" + " ", "");
47                 String usernameAndPassword = null;
48                 try {
49                         byte[] decodedBytes = Base64.getDecoder().decode(encodedUserPassword);
50                         usernameAndPassword = new String(decodedBytes, "UTF-8");
51                 } catch (Exception e) {
52                         logger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
53                         // TODO:EELF Cleanup - Remove logger
54                         PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "");
55                         return false;
56                 }
57                 try {
58                         final StringTokenizer tokenizer = new StringTokenizer(usernameAndPassword, ":");
59                         final String username = tokenizer.nextToken();
60                         final String password = tokenizer.nextToken();
61
62                         boolean authenticationStatus = pdpID.equals(username)   && pdpPass.equals(password);
63                         return authenticationStatus;
64                 }catch (Exception e){
65                         logger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
66                         // TODO:EELF Cleanup - Remove logger
67                         PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "");
68                         return false;
69                 }
70         }
71         
72 }