2 * Copyright 2017 ZTE Corporation.
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5 * in compliance with the License. You may obtain a copy of the License at
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software distributed under the License
10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11 * or implied. See the License for the specific language governing permissions and limitations under
15 package org.onap.holmes.common.utils;
17 import java.io.IOException;
18 import java.security.cert.CertificateException;
19 import java.security.cert.X509Certificate;
20 import java.util.ArrayList;
21 import java.util.List;
23 import lombok.extern.slf4j.Slf4j;
24 import org.apache.http.Consts;
25 import org.apache.http.HttpEntity;
26 import org.apache.http.HttpResponse;
27 import org.apache.http.HttpStatus;
28 import org.apache.http.NameValuePair;
29 import org.apache.http.client.entity.UrlEncodedFormEntity;
30 import org.apache.http.client.methods.HttpGet;
31 import org.apache.http.client.methods.HttpPost;
32 import org.apache.http.client.methods.HttpRequestBase;
33 import org.apache.http.config.Registry;
34 import org.apache.http.config.RegistryBuilder;
35 import org.apache.http.conn.socket.ConnectionSocketFactory;
36 import org.apache.http.conn.socket.PlainConnectionSocketFactory;
37 import org.apache.http.conn.ssl.NoopHostnameVerifier;
38 import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
39 import org.apache.http.conn.ssl.TrustStrategy;
40 import org.apache.http.impl.client.CloseableHttpClient;
41 import org.apache.http.impl.client.HttpClients;
42 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
43 import org.apache.http.message.BasicNameValuePair;
44 import org.apache.http.ssl.SSLContextBuilder;
45 import org.apache.http.util.EntityUtils;
46 import org.jvnet.hk2.annotations.Service;
47 import org.onap.holmes.common.exception.CorrelationException;
51 public class HttpsUtils {
52 private static final String HTTP = "http";
53 private static final String HTTPS = "https";
54 private static SSLConnectionSocketFactory sslConnectionSocketFactory = null;
55 private static PoolingHttpClientConnectionManager connectionManager = null;
56 private static SSLContextBuilder sslContextBuilder = null;
60 sslContextBuilder = new SSLContextBuilder();
61 sslContextBuilder.loadTrustMaterial(null, new TrustStrategy() {
62 public boolean isTrusted(X509Certificate[] x509Certificates, String s)
63 throws CertificateException {
67 sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContextBuilder.build(),
68 new String[]{"SSLv2Hello", "SSLv3", "TLSv1", "TLSv1.2"}, null,
69 NoopHostnameVerifier.INSTANCE);
70 Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
71 .register(HTTP, new PlainConnectionSocketFactory())
72 .register(HTTPS, sslConnectionSocketFactory)
74 connectionManager = new PoolingHttpClientConnectionManager(registry);
75 connectionManager.setMaxTotal(200);
76 } catch (Exception e) {
77 log.error("Failed to initialize the ssl builder: " + e.getMessage(), e);
81 public static String post(String url, Map<String, String> header, Map<String, String> param,
82 HttpEntity entity) throws Exception {
83 HttpResponse httpResponse = null;
85 CloseableHttpClient httpClient = getHttpClient();
86 HttpPost httpPost = getHttpPost(url, header, param, entity);
87 httpResponse = getHttpResponse(httpClient, httpPost);
88 } catch (Exception e) {
89 throw new CorrelationException("Failed to use post method query data from server");
91 return getResponseEntity(httpResponse);
94 public static String get(String url, Map<String, String> header) throws Exception {
95 HttpResponse httpResponse = null;
96 CloseableHttpClient httpClient = null;
97 HttpGet httpGet = null;
100 httpClient = getHttpClient();
101 httpGet = getHttpGet(url, header);
102 httpResponse = getHttpResponse(httpClient, httpGet);
103 response = getResponseEntity(httpResponse);
104 } catch (Exception e) {
105 throw new CorrelationException("Failed to use get method query data from server");
107 if (httpGet != null) {
108 httpGet.releaseConnection();
110 if (httpResponse != null) {
117 private static HttpPost getHttpPost(String url, Map<String, String> header,
118 Map<String, String> param, HttpEntity entity) {
119 HttpPost httpPost = new HttpPost(url);
120 if (!header.isEmpty()) {
121 for (Map.Entry<String, String> entry : header.entrySet()) {
122 httpPost.addHeader(entry.getKey(), entry.getValue());
125 if (!param.isEmpty()) {
126 List<NameValuePair> formparams = new ArrayList<>();
127 for (Map.Entry<String, String> entry : param.entrySet()) {
128 formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
130 UrlEncodedFormEntity urlEncodedFormEntity = new UrlEncodedFormEntity(formparams,
132 httpPost.setEntity(urlEncodedFormEntity);
134 if (entity != null) {
135 httpPost.setEntity(entity);
140 private static HttpGet getHttpGet(String url, Map<String, String> header) {
141 HttpGet httpGet = new HttpGet(url);
142 if (!header.isEmpty()) {
143 for (Map.Entry<String, String> entry : header.entrySet()) {
144 httpGet.addHeader(entry.getKey(), entry.getValue());
150 private static String getResponseEntity(HttpResponse httpResponse) throws IOException {
152 if (httpResponse != null) {
153 int statusCode = httpResponse.getStatusLine().getStatusCode();
154 if (statusCode == HttpStatus.SC_OK) {
155 HttpEntity resEntity = httpResponse.getEntity();
156 result = EntityUtils.toString(resEntity);
162 private static HttpResponse getHttpResponse(CloseableHttpClient httpClient, HttpRequestBase httpRequest)
164 HttpResponse httpResponse = null;
166 httpResponse = httpClient.execute(httpRequest);
167 } catch (Exception e) {
168 throw new CorrelationException("Failed to get data from server");
173 private static CloseableHttpClient getHttpClient() throws Exception {
174 CloseableHttpClient httpClient = HttpClients.custom()
175 .setSSLSocketFactory(sslConnectionSocketFactory)
176 .setConnectionManager(connectionManager)
177 .setConnectionManagerShared(true)