Initial OpenECOMP policy/engine commit
[policy/engine.git] / ECOMP-PAP-REST / src / main / java / org / openecomp / policy / pap / xacml / restAuth / AuthenticationService.java
1 /*-
2  * ============LICENSE_START=======================================================
3  * ECOMP-PAP-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.pap.xacml.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 import org.openecomp.policy.common.logging.flexlogger.FlexLogger; 
36 import org.openecomp.policy.common.logging.flexlogger.Logger; 
37
38 public class AuthenticationService {
39         private String papID = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_USERID);
40         private String papPass = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_PASS);
41         private static final Logger logger = FlexLogger.getLogger(AuthenticationService.class);
42         
43         public boolean authenticate(String authCredentials) {
44
45                 if (null == authCredentials)
46                         return false;
47                 // header value format will be "Basic encodedstring" for Basic authentication. 
48                 final String encodedUserPassword = authCredentials.replaceFirst("Basic" + " ", "");
49                 String usernameAndPassword = null;
50                 try {
51                         byte[] decodedBytes = Base64.getDecoder().decode(encodedUserPassword);
52                         usernameAndPassword = new String(decodedBytes, "UTF-8");
53                 } catch (Exception e) {
54                         //TODO:EELF Cleanup - Remove logger
55                         //logger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
56                         PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "AuthenticationService", "Exception decoding username and password");
57                         return false;
58                 }
59                 try {
60                         final StringTokenizer tokenizer = new StringTokenizer(usernameAndPassword, ":");
61                         final String username = tokenizer.nextToken();
62                         final String password = tokenizer.nextToken();
63
64                         boolean authenticationStatus = papID.equals(username)   && papPass.equals(password);
65                         return authenticationStatus;
66                 } catch (Exception e){
67                         //TODO:EELF Cleanup - Remove logger
68                         //logger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
69                         PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "AuthenticationService", "Exception authenticating user");
70                         return false;
71                 }
72         }
73         
74 }