/*- * ============LICENSE_START======================================================= * org.onap.dmaap * ================================================================================ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. * ================================================================================ * 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. * ============LICENSE_END========================================================= */ package org.onap.dmaap.dbcapi.aaf; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.net.ProtocolException; import java.net.URL; import java.net.UnknownHostException; import javax.net.ssl.HttpsURLConnection; import javax.net.ssl.SSLHandshakeException; import org.apache.commons.codec.binary.Base64; import org.onap.dmaap.dbcapi.logging.BaseLoggingClass; import org.onap.dmaap.dbcapi.logging.DmaapbcLogMessageEnum; import org.onap.dmaap.dbcapi.service.DmaapService; public class AafConnection extends BaseLoggingClass { private String aafCred; private HttpsURLConnection uc; public AafConnection( String cred ) { aafCred = cred; } private boolean makeConnection( String pURL ) { try { URL u = new URL( pURL ); uc = (HttpsURLConnection) u.openConnection(); uc.setInstanceFollowRedirects(false); logger.info( "successful connect to " + pURL ); return(true); } catch ( UnknownHostException uhe ) { errorLogger.error(DmaapbcLogMessageEnum.UNKNOWN_HOST_EXCEPTION, pURL, uhe.getMessage() ); uhe.printStackTrace(); return(false); } catch (Exception e) { errorLogger.error(DmaapbcLogMessageEnum.HTTP_CONNECTION_ERROR, pURL, e.getMessage() ); e.printStackTrace(); return(false); } } static String bodyToString( InputStream is ) { StringBuilder sb = new StringBuilder(); BufferedReader br = new BufferedReader( new InputStreamReader(is)); String line; try { while ((line = br.readLine()) != null ) { sb.append( line ); } } catch (IOException ex ) { errorLogger.error( DmaapbcLogMessageEnum.IO_EXCEPTION, ex.getMessage()); } return sb.toString(); } public int postAaf( AafObject obj, String pURL ) { logger.info( "entry: postAaf() to " + pURL ); String auth = "Basic " + Base64.encodeBase64String(aafCred.getBytes()); int rc = -1; if ( ! makeConnection( pURL ) ) { return rc; }; byte[] postData = obj.getBytes(); //logger.info( "post fields=" + postData ); //byte isn't very readable String responsemessage = null; String responseBody = null; try { if (auth != null) { uc.setRequestProperty("Authorization", auth); } uc.setRequestMethod("POST"); uc.setRequestProperty("Content-Type", "application/json"); uc.setRequestProperty( "charset", "utf-8"); uc.setRequestProperty( "Content-Length", Integer.toString( postData.length )); uc.setUseCaches(false); uc.setDoOutput(true); OutputStream os = null; try { uc.connect(); os = uc.getOutputStream(); os.write( postData ); } catch (ProtocolException pe) { // Rcvd error instead of 100-Continue try { // work around glitch in Java 1.7.0.21 and likely others // without this, Java will connect multiple times to the server to run the same request uc.setDoOutput(false); } catch (Exception e) { } } catch ( SSLHandshakeException she ) { errorLogger.error( DmaapbcLogMessageEnum.SSL_HANDSHAKE_ERROR, pURL); } catch ( UnknownHostException uhe ) { errorLogger.error(DmaapbcLogMessageEnum.UNKNOWN_HOST_EXCEPTION, pURL, uhe.getMessage() ); rc = 500; return rc; } try { rc = uc.getResponseCode(); } catch ( SSLHandshakeException she ) { errorLogger.error( DmaapbcLogMessageEnum.SSL_HANDSHAKE_ERROR, pURL); rc = 500; return rc; } logger.info( "http response code:" + rc ); responsemessage = uc.getResponseMessage(); logger.info( "responsemessage=" + responsemessage ); if (responsemessage == null) { // work around for glitch in Java 1.7.0.21 and likely others // When Expect: 100 is set and a non-100 response is received, the response message is not set but the response code is String h0 = uc.getHeaderField(0); if (h0 != null) { int i = h0.indexOf(' '); int j = h0.indexOf(' ', i + 1); if (i != -1 && j != -1) { responsemessage = h0.substring(j + 1); } } } if ( rc >= 200 && rc < 300 ) { responseBody = bodyToString( uc.getInputStream() ); logger.info( "responseBody=" + responseBody ); } else { logger.warn( "Unsuccessful response: " + responsemessage ); } } catch (Exception e) { System.err.println("Unable to read response " ); e.printStackTrace(); } finally { try { uc.disconnect(); } catch ( Exception e ) {} } //return responseBody; return rc; } public int delAaf(AafObject obj, String pURL) { logger.info( "entry: delAaf() to " + pURL ); String auth = "Basic " + Base64.encodeBase64String(aafCred.getBytes()); int rc = -1; if ( ! makeConnection( pURL ) ) { return rc; }; byte[] postData = obj.getBytes(); //logger.info( "post fields=" + postData ); //byte isn't very readable String responsemessage = null; String responseBody = null; try { if (auth != null) { uc.setRequestProperty("Authorization", auth); } uc.setRequestMethod("DELETE"); uc.setRequestProperty("Content-Type", "application/json"); uc.setRequestProperty( "charset", "utf-8"); uc.setRequestProperty( "Content-Length", Integer.toString( postData.length )); uc.setUseCaches(false); uc.setDoOutput(true); OutputStream os = null; try { uc.connect(); os = uc.getOutputStream(); os.write( postData ); } catch (ProtocolException pe) { // Rcvd error instead of 100-Continue try { // work around glitch in Java 1.7.0.21 and likely others // without this, Java will connect multiple times to the server to run the same request uc.setDoOutput(false); } catch (Exception e) { } } catch ( SSLHandshakeException she ) { errorLogger.error( DmaapbcLogMessageEnum.SSL_HANDSHAKE_ERROR, pURL); } try { rc = uc.getResponseCode(); } catch ( SSLHandshakeException she ) { errorLogger.error( DmaapbcLogMessageEnum.SSL_HANDSHAKE_ERROR, pURL); rc = 500; return rc; } logger.info( "http response code:" + rc ); responsemessage = uc.getResponseMessage(); logger.info( "responsemessage=" + responsemessage ); if (responsemessage == null) { // work around for glitch in Java 1.7.0.21 and likely others // When Expect: 100 is set and a non-100 response is received, the response message is not set but the response code is String h0 = uc.getHeaderField(0); if (h0 != null) { int i = h0.indexOf(' '); int j = h0.indexOf(' ', i + 1); if (i != -1 && j != -1) { responsemessage = h0.substring(j + 1); } } } if ( rc >= 200 && rc < 300 ) { responseBody = bodyToString( uc.getInputStream() ); logger.info( "responseBody=" + responseBody ); } else { logger.warn( "Unsuccessful response: " + responsemessage ); } } catch (Exception e) { System.err.println("Unable to read response " ); e.printStackTrace(); } //return responseBody; return rc; } }