huawei/vnfmadapter/VnfmadapterService/service/src/main/java/org/onap/vfc/nfvo/vnfm/svnfm/vnfmadapter/service/csm/connect/AbstractSslContext.java

   1 /*
   2  * Copyright 2016-2017 Huawei Technologies Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.csm.connect;
  18
  19 import java.io.BufferedInputStream;
  20 import java.io.FileInputStream;
  21 import java.io.FileNotFoundException;
  22 import java.io.IOException;
  23 import java.io.InputStream;
  24 import java.security.GeneralSecurityException;
  25 import java.security.KeyStore;
  26 import java.security.NoSuchAlgorithmException;
  27 import java.security.SecureRandom;
  28 import java.security.cert.X509Certificate;
  29
  30 import javax.net.ssl.KeyManager;
  31 import javax.net.ssl.KeyManagerFactory;
  32 import javax.net.ssl.SSLContext;
  33 import javax.net.ssl.TrustManager;
  34 import javax.net.ssl.TrustManagerFactory;
  35 import javax.net.ssl.X509TrustManager;
  36
  37 import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.common.restclient.SystemEnvVariablesFactory;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 import net.sf.json.JSONObject;
  42
  43 /**
  44  * SSL context
  45  * .</br>
  46  *
  47  * @author
  48  * @version VFC 1.0 Sep 14, 2016
  49  */
  50 public class AbstractSslContext {
  51
  52     private static final Logger LOG = LoggerFactory.getLogger(AbstractSslContext.class);
  53
  54     protected AbstractSslContext() {
  55         // constructor
  56     }
  57
  58     private static SSLContext getSSLContext() throws NoSuchAlgorithmException {
  59         return SSLContext.getInstance("TLSv1.2");
  60     }
  61
  62     protected static SSLContext getAnonymousSSLContext() throws GeneralSecurityException {
  63         SSLContext sslContext = getSSLContext();
  64         sslContext.init(null, new TrustManager[] {new TrustAnyTrustManager()}, new SecureRandom());
  65         return sslContext;
  66     }
  67
  68     protected static SSLContext getCertificateSSLContext() throws GeneralSecurityException {
  69         SSLContext sslContext = getSSLContext();
  70         JSONObject sslConf = null;
  71         try {
  72             sslConf = readSSLConfToJson();
  73         } catch(Exception e) {
  74             LOG.error("readSSLConfToJson error", e);
  75         }
  76         sslContext.init(createKeyManager(sslConf), createTrustManager(sslConf), new SecureRandom());
  77         return sslContext;
  78     }
  79
  80     protected static KeyManager[] createKeyManager(JSONObject sslConf) {
  81         KeyManager[] kms = null;
  82         try {
  83             String CERT_STORE = "etc/conf/server.p12";
  84             String CERT_STORE_PASSWORD = "Changeme_123";
  85             String KEY_STORE_TYPE = "PKCS12";
  86             if(sslConf != null) {
  87                 CERT_STORE = sslConf.getString("keyStore");
  88                 CERT_STORE_PASSWORD = sslConf.getString("keyStorePass");
  89                 KEY_STORE_TYPE = sslConf.getString("keyStoreType");
  90             }
  91             // load jks file
  92             FileInputStream f_certStore = new FileInputStream(CERT_STORE);
  93             KeyStore ks = KeyStore.getInstance(KEY_STORE_TYPE);
  94             ks.load(f_certStore, CERT_STORE_PASSWORD.toCharArray());
  95             f_certStore.close();
  96
  97             // init and create
  98             String alg = KeyManagerFactory.getDefaultAlgorithm();
  99             KeyManagerFactory kmFact = KeyManagerFactory.getInstance(alg);
 100             kmFact.init(ks, CERT_STORE_PASSWORD.toCharArray());
 101
 102             kms = kmFact.getKeyManagers();
 103         } catch(Exception e) {
 104             LOG.error("create KeyManager fail!", e);
 105         }
 106         return kms;
 107     }
 108
 109     protected static TrustManager[] createTrustManager(JSONObject sslConf) {
 110         TrustManager[] tms = null;
 111         try {
 112
 113             String TRUST_STORE = "etc/conf/trust.jks";
 114             String TRUST_STORE_PASSWORD = "Changeme_123";
 115             String TRUST_STORE_TYPE = "jks";
 116             if(sslConf != null) {
 117                 TRUST_STORE = sslConf.getString("trustStore");
 118                 TRUST_STORE_PASSWORD = sslConf.getString("trustStorePass");
 119                 TRUST_STORE_TYPE = sslConf.getString("trustStoreType");
 120             }
 121             FileInputStream f_trustStore = new FileInputStream(TRUST_STORE);
 122             KeyStore ks = KeyStore.getInstance(TRUST_STORE_TYPE);
 123             ks.load(f_trustStore, TRUST_STORE_PASSWORD.toCharArray());
 124             f_trustStore.close();
 125
 126             String alg = TrustManagerFactory.getDefaultAlgorithm();
 127             TrustManagerFactory tmFact = TrustManagerFactory.getInstance(alg);
 128             tmFact.init(ks);
 129             tms = tmFact.getTrustManagers();
 130
 131         } catch(Exception e) {
 132             LOG.error("create TrustManager fail!", e);
 133         }
 134         return tms;
 135     }
 136
 137     /**
 138      * readSSLConfToJson
 139      *
 140      * @return
 141      * @throws IOException
 142      * @since VFC 1.0
 143      */
 144     public static JSONObject readSSLConfToJson() throws IOException {
 145         JSONObject sslJson = null;
 146         InputStream ins = null;
 147         BufferedInputStream bins = null;
 148         String fileContent = "";
 149
 150         String fileName = SystemEnvVariablesFactory.getInstance().getAppRoot() + System.getProperty("file.separator")
 151                 + "etc" + System.getProperty("file.separator") + "conf" + System.getProperty("file.separator")
 152                 + "sslconf.json";
 153
 154         try {
 155             ins = new FileInputStream(fileName);
 156             bins = new BufferedInputStream(ins);
 157
 158             byte[] contentByte = new byte[ins.available()];
 159             int num = bins.read(contentByte);
 160
 161             if(num > 0) {
 162                 fileContent = new String(contentByte);
 163             }
 164             sslJson = JSONObject.fromObject(fileContent);
 165         } catch(FileNotFoundException e) {
 166             LOG.error(fileName + "is not found!", e);
 167         } catch(Exception e) {
 168             LOG.error("read sslconf file fail.please check if the 'sslconf.json' is exist.");
 169         } finally {
 170             if(ins != null) {
 171                 ins.close();
 172             }
 173             if(bins != null) {
 174                 bins.close();
 175             }
 176         }
 177
 178         return sslJson;
 179     }
 180
 181     private static class TrustAnyTrustManager implements X509TrustManager {
 182
 183         @Override
 184         public X509Certificate[] getAcceptedIssuers() {
 185             return new X509Certificate[] {};
 186         }
 187
 188         @Override
 189         public void checkServerTrusted(X509Certificate[] certs, String authType) {
 190             // NOSONAR
 191         }
 192
 193         @Override
 194         public void checkClientTrusted(X509Certificate[] certs, String authType) {
 195             // NOSONAR
 196         }
 197     }
 198 }