2 * ============LICENSE_START====================================================
4 * ===========================================================================
5 * Copyright (c) 2018 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.aaf.cadi.shiro;
23 import java.nio.ByteBuffer;
24 import java.security.NoSuchAlgorithmException;
25 import java.security.SecureRandom;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
29 import org.apache.shiro.authc.AuthenticationInfo;
30 import org.apache.shiro.authc.AuthenticationToken;
31 import org.apache.shiro.authc.UsernamePasswordToken;
32 import org.apache.shiro.subject.PrincipalCollection;
33 import org.onap.aaf.cadi.Access;
34 import org.onap.aaf.cadi.Hash;
36 public class AAFAuthenticationInfo implements AuthenticationInfo {
37 private static final long serialVersionUID = -1502704556864321020L;
39 final static Logger logger = LoggerFactory.getLogger(AAFAuthenticationInfo.class);
41 // We assume that Shiro is doing Memory Only, and this salt is not needed cross process
42 private final static int salt = new SecureRandom().nextInt();
44 private final AAFPrincipalCollection apc;
45 private final byte[] hash;
46 private Access access;
48 public AAFAuthenticationInfo(Access access, String username, String password) {
50 apc = new AAFPrincipalCollection(username);
51 hash = getSaltedCred(password);
54 public byte[] getCredentials() {
55 // logger.info("AAFAuthenticationInfo.getCredentials");
60 public PrincipalCollection getPrincipals() {
61 // logger.info( "AAFAuthenticationInfo.getPrincipals");
65 public boolean matches(AuthenticationToken atoken) {
66 if(atoken instanceof UsernamePasswordToken) {
67 UsernamePasswordToken upt = (UsernamePasswordToken)atoken;
68 if(apc.getPrimaryPrincipal().getName().equals(upt.getPrincipal())) {
69 byte[] newhash = getSaltedCred(new String(upt.getPassword()));
70 logger.info("Successful authentication attempt by " +upt.getPrincipal());
71 if(newhash.length==hash.length) {
72 for(int i=0;i<hash.length;++i) {
73 if(hash[i]!=newhash[i]) {
84 private byte[] getSaltedCred(String password) {
85 byte[] pbytes = password.getBytes();
86 ByteBuffer bb = ByteBuffer.allocate(pbytes.length+Integer.SIZE/8);
87 bb.asIntBuffer().put(salt);
88 bb.put(password.getBytes());
90 return Hash.hashSHA256(bb.array());
91 } catch (NoSuchAlgorithmException e) {
92 return new byte[0]; // should never get here