gerrit.onap Code Review - ccsdk/sli.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * openECOMP : SDN-C
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights
   6  *                      reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.onap.ccsdk.sli.northbound.uebclient;
  23
  24 import java.io.BufferedReader;
  25 import java.io.DataOutputStream;
  26 import java.io.IOException;
  27 import java.io.InputStreamReader;
  28 import java.net.Authenticator;
  29 import java.net.HttpURLConnection;
  30 import java.net.PasswordAuthentication;
  31 import java.net.URL;
  32
  33 import javax.net.ssl.HostnameVerifier;
  34 import javax.net.ssl.HttpsURLConnection;
  35 import javax.net.ssl.SSLSession;
  36
  37 import org.apache.commons.codec.binary.Base64;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41
  42 public class SdncOdlConnection {
  43
  44         private static final Logger LOG = LoggerFactory
  45                         .getLogger(SdncOdlConnection.class);
  46
  47         private HttpURLConnection httpConn = null;
  48
  49         private String url = null;
  50         private String user = null;
  51         private String password = null;
  52
  53         private class SdncAuthenticator extends Authenticator {
  54
  55                 private String user;
  56                 private String passwd;
  57
  58                 SdncAuthenticator(String user, String passwd) {
  59                         this.user = user;
  60                         this.passwd = passwd;
  61                 }
  62                 @Override
  63                 protected PasswordAuthentication getPasswordAuthentication() {
  64                         return new PasswordAuthentication(user, passwd.toCharArray());
  65                 }
  66
  67         }
  68
  69         private SdncOdlConnection() {
  70
  71         }
  72
  73         private SdncOdlConnection(String url, String user, String password) {
  74                 this.url = url;
  75                 this.user = user;
  76                 this.password = password;
  77
  78                 try {
  79                         URL sdncUrl = new URL(url);
  80                         Authenticator.setDefault(new SdncAuthenticator(user, password));
  81
  82                         this.httpConn = (HttpURLConnection) sdncUrl.openConnection();
  83                 } catch (Exception e) {
  84                         LOG.error("Unable to create http connection", e);
  85                 }
  86         }
  87
  88         public static  SdncOdlConnection newInstance(String url, String user, String password) throws IOException
  89         {
  90                 return new SdncOdlConnection(url, user, password);
  91         }
  92
  93
  94
  95         public String send(String method, String contentType, String msg) throws IOException {
  96
  97                 LOG.info("Sending REST " + method + " to " + url);
  98                 LOG.info("Message body:\n" + msg);
  99                 String authStr = user + ":" + password;
 100                 String encodedAuthStr = new String(Base64.encodeBase64(authStr.getBytes()));
 101
 102                 httpConn.addRequestProperty("Authentication", "Basic " + encodedAuthStr);
 103
 104                 httpConn.setRequestMethod(method);
 105                 httpConn.setRequestProperty("Content-Type", contentType);
 106                 httpConn.setRequestProperty("Accept", contentType);
 107
 108                 httpConn.setDoInput(true);
 109                 httpConn.setDoOutput(true);
 110                 httpConn.setUseCaches(false);
 111
 112                 if (httpConn instanceof HttpsURLConnection) {
 113                         HostnameVerifier hostnameVerifier = new HostnameVerifier() {
 114                                 @Override
 115                                 public boolean verify(String hostname, SSLSession session) {
 116                                         return true;
 117                                 }
 118                         };
 119                         ((HttpsURLConnection) httpConn).setHostnameVerifier(hostnameVerifier);
 120                 }
 121
 122                 // Write message
 123                 httpConn.setRequestProperty("Content-Length", "" + msg.length());
 124                 DataOutputStream outStr = new DataOutputStream(httpConn.getOutputStream());
 125                 outStr.write(msg.getBytes());
 126                 outStr.close();
 127
 128                 // Read response
 129                 BufferedReader respRdr;
 130
 131                 LOG.info("Response: " + httpConn.getResponseCode() + " " + httpConn.getResponseMessage());
 132
 133                 if (httpConn.getResponseCode() < 300) {
 134
 135                         respRdr = new BufferedReader(new InputStreamReader(httpConn.getInputStream()));
 136                 } else {
 137                         respRdr = new BufferedReader(new InputStreamReader(httpConn.getErrorStream()));
 138                 }
 139
 140                 StringBuilder respBuff = new StringBuilder();
 141
 142                 String respLn;
 143
 144                 while ((respLn = respRdr.readLine()) != null) {
 145                         respBuff.append(respLn + "\n");
 146                 }
 147                 respRdr.close();
 148
 149                 String respString = respBuff.toString();
 150
 151                 LOG.info("Response body :\n" + respString);
 152
 153                 return respString;
 154
 155         }
 156
 157
 158 }