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.apache.shiro.authc.AuthenticationInfo;
28 import org.apache.shiro.authc.AuthenticationToken;
29 import org.apache.shiro.authc.UsernamePasswordToken;
30 import org.apache.shiro.subject.PrincipalCollection;
31 import org.onap.aaf.cadi.Access;
32 import org.onap.aaf.cadi.Access.Level;
33 import org.onap.aaf.cadi.Hash;
35 public class AAFAuthenticationInfo implements AuthenticationInfo {
36 private static final long serialVersionUID = -1502704556864321020L;
38 // We assume that Shiro is doing Memory Only, and this salt is not needed cross process
39 private final static int salt = new SecureRandom().nextInt();
41 private final AAFPrincipalCollection apc;
42 private final byte[] hash;
43 private Access access;
45 public AAFAuthenticationInfo(Access access, String username, String password) {
47 apc = new AAFPrincipalCollection(username);
48 hash = getSaltedCred(password);
52 public byte[] getCredentials() {
53 access.log(Level.DEBUG, "AAFAuthenticationInfo.getCredentials");
58 public PrincipalCollection getPrincipals() {
59 access.log(Level.DEBUG, "AAFAuthenticationInfo.getPrincipals");
63 public boolean matches(AuthenticationToken atoken) {
64 if(atoken instanceof UsernamePasswordToken) {
65 UsernamePasswordToken upt = (UsernamePasswordToken)atoken;
66 if(apc.getPrimaryPrincipal().getName().equals(upt.getPrincipal())) {
67 byte[] newhash = getSaltedCred(new String(upt.getPassword()));
68 access.printf(Level.INFO,"Successful authentication attempt by %s",upt.getPrincipal());
69 if(newhash.length==hash.length) {
70 for(int i=0;i<hash.length;++i) {
71 if(hash[i]!=newhash[i]) {
79 access.printf(Level.ERROR, "AAFAuthenticationInfo received non-AAF token %s (%s)",atoken.getPrincipal(),atoken.getClass().getName());
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