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
|
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.athenz.impl;
import com.google.inject.Inject;
import com.yahoo.athenz.auth.Principal;
import com.yahoo.athenz.auth.impl.PrincipalAuthority;
import com.yahoo.athenz.auth.impl.SimplePrincipal;
import com.yahoo.athenz.auth.impl.SimpleServiceIdentityProvider;
import com.yahoo.athenz.auth.token.PrincipalToken;
import com.yahoo.athenz.auth.util.Crypto;
import com.yahoo.athenz.zms.ZMSClient;
import com.yahoo.athenz.zts.ZTSClient;
import com.yahoo.jdisc.http.SecretStore;
import com.yahoo.vespa.hosted.controller.athenz.AthenzClientFactory;
import com.yahoo.vespa.hosted.controller.athenz.NToken;
import com.yahoo.vespa.hosted.controller.athenz.ZmsClient;
import com.yahoo.vespa.hosted.controller.athenz.ZtsClient;
import com.yahoo.vespa.hosted.controller.athenz.config.AthenzConfig;
import java.security.PrivateKey;
import java.util.concurrent.TimeUnit;
import static com.yahoo.vespa.hosted.controller.athenz.AthenzUtils.USER_PRINCIPAL_DOMAIN;
/**
* @author bjorncs
*/
public class AthenzClientFactoryImpl implements AthenzClientFactory {
private final SecretStore secretStore;
private final AthenzConfig config;
private final AthenzPrincipalAuthority athenzPrincipalAuthority;
@Inject
public AthenzClientFactoryImpl(SecretStore secretStore, AthenzConfig config) {
this.secretStore = secretStore;
this.config = config;
this.athenzPrincipalAuthority = new AthenzPrincipalAuthority(config.principalHeaderName());
}
/**
* @return A ZMS client instance with the service identity as principal.
*/
@Override
public ZmsClient createZmsClientWithServicePrincipal() {
return new ZmsClientImpl(new ZMSClient(config.zmsUrl(), createServicePrincipal()), config);
}
/**
* @return A ZTS client instance with the service identity as principal.
*/
@Override
public ZtsClient createZtsClientWithServicePrincipal() {
return new ZtsClientImpl(new ZTSClient(config.ztsUrl(), createServicePrincipal()), config);
}
/**
* @return A ZMS client created with a dual principal representing both the tenant admin and the service identity.
*/
@Override
public ZmsClient createZmsClientWithAuthorizedServiceToken(NToken authorizedServiceToken) {
PrincipalToken signedToken = new PrincipalToken(authorizedServiceToken.getToken());
AthenzConfig.Service service = config.service();
signedToken.signForAuthorizedService(
config.domain() + "." + service.name(), service.publicKeyId(), getServicePrivateKey());
Principal dualPrincipal = SimplePrincipal.create(
USER_PRINCIPAL_DOMAIN.id(), signedToken.getName(), signedToken.getSignedToken(), athenzPrincipalAuthority);
return new ZmsClientImpl(new ZMSClient(config.zmsUrl(), dualPrincipal), config);
}
private Principal createServicePrincipal() {
AthenzConfig.Service service = config.service();
// TODO bjorncs: Cache principal token
SimpleServiceIdentityProvider identityProvider =
new SimpleServiceIdentityProvider(
athenzPrincipalAuthority, config.domain(), service.name(),
getServicePrivateKey(), service.publicKeyId(), /*tokenTimeout*/TimeUnit.HOURS.toSeconds(1));
return identityProvider.getIdentity(config.domain(), service.name());
}
private PrivateKey getServicePrivateKey() {
AthenzConfig.Service service = config.service();
String privateKey = secretStore.getSecret(service.privateKeySecretName(), service.privateKeyVersion()).trim();
return Crypto.loadPrivateKey(privateKey);
}
private static class AthenzPrincipalAuthority extends PrincipalAuthority {
private final String principalHeaderName;
public AthenzPrincipalAuthority(String principalHeaderName) {
this.principalHeaderName = principalHeaderName;
}
@Override
public String getHeader() {
return principalHeaderName;
}
}
}
|