1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
* ============LICENSE_START=======================================================
* ONAP : ccsdk features
* ================================================================================
* Copyright (C) 2021 highstreet technologies GmbH Intellectual Property.
* All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
*/
package org.onap.ccsdk.features.sdnr.wt.oauthprovider.providers;
import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.exceptions.JWTDecodeException;
import com.auth0.jwt.exceptions.JWTVerificationException;
import com.auth0.jwt.interfaces.DecodedJWT;
import com.auth0.jwt.interfaces.JWTVerifier;
import java.io.IOException;
import java.security.Security;
import java.util.Arrays;
import java.util.Date;
import javax.servlet.http.HttpServletRequest;
import org.apache.shiro.authc.BearerToken;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.onap.ccsdk.features.sdnr.wt.oauthprovider.data.Config;
import org.onap.ccsdk.features.sdnr.wt.oauthprovider.data.UserTokenPayload;
import org.onap.ccsdk.features.sdnr.wt.oauthprovider.http.AuthHttpServlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TokenCreator {
private static final Logger LOG = LoggerFactory.getLogger(AuthHttpServlet.class.getName());
private final String issuer;
private static TokenCreator _instance;
private final long tokenLifetimeSeconds;
private final Algorithm algorithm;
private static final String ROLES_CLAIM = "roles";
private static final String FAMILYNAME_CLAIM = "family_name";
private static final String NAME_CLAIM = "name";
static {
Security.addProvider(
new BouncyCastleProvider()
);
}
public static TokenCreator getInstance(Config config) throws IllegalArgumentException, IOException {
if (_instance == null) {
_instance = new TokenCreator(config);
}
return _instance;
}
public static TokenCreator getInstance(String alg, String secret, String issuer, long tokenLifetime)
throws IllegalArgumentException, IOException {
return getInstance(alg, secret, null, issuer, tokenLifetime);
}
public static TokenCreator getInstance(String alg, String secret, String pubkey, String issuer, long tokenLifetime)
throws IllegalArgumentException, IOException {
if (_instance == null) {
_instance = new TokenCreator(alg, secret, pubkey, issuer, tokenLifetime);
}
return _instance;
}
private TokenCreator(Config config) throws IllegalArgumentException, IOException {
this(config.getAlgorithm(), config.getTokenSecret(), config.getPublicKey(), config.getTokenIssuer(),
config.getTokenLifetime());
}
private TokenCreator(String alg, String secret, String pubkey, String issuer, long tokenLifetime)
throws IllegalArgumentException, IOException {
this.issuer = issuer;
this.tokenLifetimeSeconds = tokenLifetime;
this.algorithm = this.createAlgorithm(alg, secret, pubkey);
}
private Algorithm createAlgorithm(String alg, String secret, String pubkey)
throws IllegalArgumentException, IOException {
if(alg==null) {
alg = Config.TOKENALG_HS256;
}
switch (alg) {
case Config.TOKENALG_HS256:
return Algorithm.HMAC256(secret);
case Config.TOKENALG_RS256:
return Algorithm.RSA256(RSAKeyReader.getPublicKey(pubkey), RSAKeyReader.getPrivateKey(secret));
case Config.TOKENALG_RS512:
return Algorithm.RSA512(RSAKeyReader.getPublicKey(pubkey), RSAKeyReader.getPrivateKey(secret));
case Config.TOKENALG_CLIENT_RS256:
return Algorithm.RSA256(RSAKeyReader.getPublicKey(pubkey), null);
case Config.TOKENALG_CLIENT_RS512:
return Algorithm.RSA512(RSAKeyReader.getPublicKey(pubkey), null);
}
throw new IllegalArgumentException(String.format("unable to find algorithm for %s", alg));
}
public BearerToken createNewJWT(UserTokenPayload data) {
final String token = JWT.create().withIssuer(issuer).withExpiresAt(new Date(data.getExp()))
.withIssuedAt(new Date(data.getIat())).withSubject(data.getPreferredUsername())
.withClaim(NAME_CLAIM, data.getGivenName()).withClaim(FAMILYNAME_CLAIM, data.getFamilyName())
.withArrayClaim(ROLES_CLAIM, data.getRoles().toArray(new String[data.getRoles().size()]))
.sign(this.algorithm);
LOG.trace("token created: {}", token);
return new BearerToken(token);
}
public DecodedJWT verify(String token) {
DecodedJWT jwt = null;
LOG.debug("try to verify token {}", token);
try {
JWTVerifier verifier = JWT.require(this.algorithm).withIssuer(issuer).build();
jwt = verifier.verify(token);
} catch (JWTVerificationException e) {
LOG.warn("unable to verify token {}:", token, e);
}
return jwt;
}
public long getDefaultExp() {
return new Date().getTime() + (this.tokenLifetimeSeconds * 1000);
}
public long getDefaultExp(long expIn) {
return new Date().getTime() + expIn;
}
public long getDefaultIat() {
return new Date().getTime();
}
public UserTokenPayload decode(HttpServletRequest req) throws JWTDecodeException {
final String authHeader = req.getHeader("Authorization");
if (authHeader == null || !authHeader.startsWith("Bearer")) {
return null;
}
DecodedJWT jwt = JWT.decode(authHeader.substring(7));
UserTokenPayload data = new UserTokenPayload();
data.setRoles(Arrays.asList(jwt.getClaim(ROLES_CLAIM).asArray(String.class)));
data.setExp(jwt.getExpiresAt().getTime());
data.setFamilyName(jwt.getClaim(FAMILYNAME_CLAIM).asString());
data.setGivenName(jwt.getClaim(NAME_CLAIM).asString());
data.setPreferredUsername(jwt.getClaim(NAME_CLAIM).asString());
return data;
}
}
|
