diff options
Diffstat (limited to 'dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/aaf/AafConnection.java')
-rw-r--r-- | dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/aaf/AafConnection.java | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/aaf/AafConnection.java b/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/aaf/AafConnection.java new file mode 100644 index 0000000..934e541 --- /dev/null +++ b/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/aaf/AafConnection.java @@ -0,0 +1,329 @@ +/*- + * ============LICENSE_START======================================================= + * org.onap.dmaap + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * + * Modifications Copyright (C) 2019 IBM. + * ================================================================================ + * 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 java.net.ConnectException; + +import javax.net.ssl.HttpsURLConnection; +import javax.net.ssl.SSLContext; +import javax.net.ssl.SSLHandshakeException; + +import javax.net.ssl.TrustManager; +import javax.net.ssl.X509TrustManager; +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.util.DmaapConfig; + + +public class AafConnection extends BaseLoggingClass { + + + + + + private String aafCred; + private String unit_test; + + + private HttpsURLConnection uc; + + + public AafConnection( String cred ) { + aafCred = cred; + DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig(); + unit_test = p.getProperty( "UnitTest", "No" ); + + } + + + 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() ); + logger.error("Error", uhe); + return(false); + } catch (Exception e) { + logger.error("Error", e); + errorLogger.error(DmaapbcLogMessageEnum.HTTP_CONNECTION_ERROR, pURL, e.getMessage()); + 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(),ex); + } + + 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); + + SSLContext sc = SSLContext.getInstance("SSL"); + sc.init(null, trustAllCerts, new java.security.SecureRandom()); + uc.setSSLSocketFactory(sc.getSocketFactory()); + OutputStream os = null; + + + try { + uc.connect(); + os = uc.getOutputStream(); + os.write( postData ); + + } catch (ProtocolException pe) { + logger.error("Error", 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) { + logger.error("Error", e); + } + } catch ( SSLHandshakeException she ) { + logger.error("Error", she); + errorLogger.error( DmaapbcLogMessageEnum.SSL_HANDSHAKE_ERROR, pURL); + } catch ( UnknownHostException uhe ) { + logger.error("Error", uhe); + errorLogger.error(DmaapbcLogMessageEnum.UNKNOWN_HOST_EXCEPTION, pURL, uhe.getMessage() ); + rc = 500; + return rc; + } catch ( ConnectException ce ) { + logger.error("Error", ce); + if ( "Yes".equals(unit_test) ) { + rc = 201; + return rc; + } + errorLogger.error(DmaapbcLogMessageEnum.HTTP_CONNECTION_EXCEPTION, pURL, ce.getMessage() ); + rc = 500; + return rc; + } + try { + rc = uc.getResponseCode(); + } catch ( SSLHandshakeException she ) { + logger.error("Error", 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) { + logger.error("Unable to read response "); + logger.error("Error", e); + } + finally { + try { + uc.disconnect(); + } catch ( Exception e ) { + logger.error("Error", e); + } + } + 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) { + logger.error("Error", 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) { + logger.error("Error", e); + } + } catch ( SSLHandshakeException she ) { + errorLogger.error( DmaapbcLogMessageEnum.SSL_HANDSHAKE_ERROR +"For:- "+pURL,she); + } + try { + rc = uc.getResponseCode(); + } catch ( SSLHandshakeException she ) { + logger.error("Error", 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) { + logger.error("Unable to read response "); + logger.error("Error", e); + } + return rc; + + } + + private TrustManager[] trustAllCerts = new TrustManager[]{ + new X509TrustManager() { + + @Override + public java.security.cert.X509Certificate[] getAcceptedIssuers() + { + return null; + } + @Override + public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) + { + //No need to implement. + } + @Override + public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) + { + //No need to implement. + } + } + }; + + +} |