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
|
/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm;
import java.io.IOException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import javax.net.ssl.SSLContext;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContextBuilder;
import org.onap.aai.domain.yang.EsrSystemInfo;
import org.onap.aai.domain.yang.EsrVnfm;
import org.onap.so.adapters.etsi.sol003.adapter.common.configuration.AbstractServiceProviderConfiguration;
import org.onap.so.adapters.etsisol003adapter.lcm.v1.JSON;
import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
import org.onap.so.rest.service.HttpRestServiceProvider;
import org.onap.so.rest.service.HttpRestServiceProviderImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
import org.springframework.http.client.BufferingClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.security.oauth2.client.OAuth2RestTemplate;
import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsResourceDetails;
import org.springframework.web.client.RestTemplate;
import com.google.gson.Gson;
/**
* Configures the HttpRestServiceProvider for REST call to a VNFM.
*/
@Configuration
public class VnfmServiceProviderConfiguration extends AbstractServiceProviderConfiguration {
private static final Logger logger = LoggerFactory.getLogger(VnfmServiceProviderConfiguration.class);
private final Map<String, HttpRestServiceProvider> mapOfVnfmIdToHttpRestServiceProvider = new ConcurrentHashMap<>();
@Value("${http.client.ssl.trust-store:#{null}}")
private Resource trustStore;
@Value("${http.client.ssl.trust-store-password:#{null}}")
private String trustStorePassword;
@Value("${server.ssl.key-store:#{null}}")
private Resource keyStoreResource;
@Value("${server.ssl.key--store-password:#{null}}")
private String keyStorePassword;
/**
* This property is only intended to be temporary until the AAI schema is updated to support setting the endpoint
*/
@Value("${vnfmadapter.temp.vnfm.oauth.endpoint:#{null}}")
private String oauthEndpoint;
@Qualifier(VnfmRestTemplateConfiguration.SOL003_LCM_REST_TEMPLATE)
@Autowired
private RestTemplate defaultRestTemplate;
public HttpRestServiceProvider getHttpRestServiceProvider(final EsrVnfm vnfm) {
if (!mapOfVnfmIdToHttpRestServiceProvider.containsKey(vnfm.getVnfmId())) {
mapOfVnfmIdToHttpRestServiceProvider.put(vnfm.getVnfmId(), createHttpRestServiceProvider(vnfm));
}
return mapOfVnfmIdToHttpRestServiceProvider.get(vnfm.getVnfmId());
}
private HttpRestServiceProvider createHttpRestServiceProvider(final EsrVnfm vnfm) {
final RestTemplate restTemplate = createRestTemplate(vnfm);
setGsonMessageConverter(restTemplate);
if (trustStore != null) {
setTrustStore(restTemplate);
}
return new HttpRestServiceProviderImpl(restTemplate, new BasicHttpHeadersProvider().getHttpHeaders());
}
private RestTemplate createRestTemplate(final EsrVnfm vnfm) {
if (vnfm != null) {
for (final EsrSystemInfo esrSystemInfo : vnfm.getEsrSystemInfoList().getEsrSystemInfo()) {
if (!StringUtils.isEmpty(esrSystemInfo.getUserName())
&& !StringUtils.isEmpty(esrSystemInfo.getPassword())) {
return createOAuth2RestTemplate(esrSystemInfo);
}
}
}
return defaultRestTemplate;
}
private OAuth2RestTemplate createOAuth2RestTemplate(final EsrSystemInfo esrSystemInfo) {
logger.debug("Getting OAuth2RestTemplate ...");
final ClientCredentialsResourceDetails resourceDetails = new ClientCredentialsResourceDetails();
resourceDetails.setId(UUID.randomUUID().toString());
resourceDetails.setClientId(esrSystemInfo.getUserName());
resourceDetails.setClientSecret(esrSystemInfo.getPassword());
resourceDetails.setAccessTokenUri(
oauthEndpoint == null ? esrSystemInfo.getServiceUrl().replace("vnflcm/v1", "oauth/token")
: oauthEndpoint);
resourceDetails.setGrantType("client_credentials");
return new OAuth2RestTemplate(resourceDetails);
}
private void setTrustStore(final RestTemplate restTemplate) {
SSLContext sslContext;
try {
if (keyStoreResource != null) {
final KeyStore keystore = KeyStore.getInstance("pkcs12");
keystore.load(keyStoreResource.getInputStream(), keyStorePassword.toCharArray());
sslContext =
new SSLContextBuilder().loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray())
.loadKeyMaterial(keystore, keyStorePassword.toCharArray()).build();
} else {
sslContext = new SSLContextBuilder()
.loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray()).build();
}
logger.info("Setting truststore: {}", trustStore.getURL());
final SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(sslContext);
final HttpClient httpClient = HttpClients.custom().setSSLSocketFactory(socketFactory).build();
final HttpComponentsClientHttpRequestFactory factory =
new HttpComponentsClientHttpRequestFactory(httpClient);
restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(factory));
} catch (KeyManagementException | NoSuchAlgorithmException | KeyStoreException | CertificateException
| IOException | UnrecoverableKeyException exception) {
logger.error("Error reading truststore, TLS connection to VNFM will fail.", exception);
}
}
@Override
protected Gson getGson() {
return new JSON().getGson();
}
}
|
