2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2020 Ericsson. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
20 package org.onap.so.adapters.vnfmadapter.packagemanagement.subscriptionmanagement;
22 import static org.slf4j.LoggerFactory.getLogger;
23 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.SubscriptionsAuthentication;
24 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.SubscriptionsAuthentication.AuthTypeEnum;
25 import org.onap.so.adapters.vnfmadapter.rest.exceptions.InternalServerErrorException;
26 import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
27 import org.onap.so.configuration.rest.HttpHeadersProvider;
28 import org.onap.so.rest.service.HttpRestServiceProvider;
29 import org.slf4j.Logger;
30 import org.springframework.http.ResponseEntity;
31 import org.springframework.stereotype.Service;
34 * @author Waqas Ikram (waqas.ikram@est.tech)
35 * @author Andrew Lamb (andrew.a.lamb@est.tech)
39 public class OAuthNotificationServiceProvider extends AbstractNotificationServiceProvider
40 implements NotificationServiceProvider {
42 private static final Logger logger = getLogger(OAuthNotificationServiceProvider.class);
45 public boolean send(final Object notification, final SubscriptionsAuthentication subscriptionsAuthentication,
46 final String callbackUri) {
47 logger.info("Sending notification to uri: {}", callbackUri);
48 final String token = getAccessToken(subscriptionsAuthentication);
54 final HttpHeadersProvider httpHeadersProvider = getHttpHeadersProvider(token);
55 final HttpRestServiceProvider httpRestServiceProvider = getHttpRestServiceProvider(httpHeadersProvider);
56 final ResponseEntity<Void> responseEntity =
57 httpRestServiceProvider.postHttpRequest(notification, callbackUri, Void.class);
58 if (responseEntity.getStatusCode().is2xxSuccessful()) {
59 logger.info("Notification sent successfully.");
63 logger.error("Failed to send notification.");
68 public AuthTypeEnum getAuthType() {
69 return AuthTypeEnum.OAUTH2_CLIENT_CREDENTIALS;
72 private BasicHttpHeadersProvider getHttpHeadersProvider(final String token) {
73 final String authHeader = "Bearer " + token;
74 return new BasicHttpHeadersProvider(authHeader);
77 private String getAccessToken(final SubscriptionsAuthentication subscriptionsAuthentication) {
78 logger.info("Requesting Access Token.");
80 final String tokenEndpoint = subscriptionsAuthentication.getParamsOauth2ClientCredentials().getTokenEndpoint();
82 final HttpHeadersProvider httpHeadersProvider = getBasicHttpHeadersProviderWithBasicAuth(
83 subscriptionsAuthentication.getParamsOauth2ClientCredentials().getClientId(),
84 subscriptionsAuthentication.getParamsOauth2ClientCredentials().getClientPassword());
86 final HttpRestServiceProvider httpRestServiceProvider = getHttpRestServiceProvider(httpHeadersProvider);
87 final ResponseEntity<OAuthTokenResponse> responseEntity =
88 httpRestServiceProvider.postHttpRequest(null, tokenEndpoint, OAuthTokenResponse.class);
89 if (responseEntity.getStatusCode().is2xxSuccessful()) {
90 if (responseEntity.getBody() != null) {
91 logger.info("Returning Access Token.");
92 return responseEntity.getBody().getAccessToken();
96 final String errorMessage = "An error occurred. Unable to retrieve OAuth Token from VNFM for notification.";
97 logger.error(errorMessage);
98 throw new InternalServerErrorException(errorMessage);