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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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*******************************************************************************/
package org.ofbiz.base.util;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.security.GeneralSecurityException;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import org.ofbiz.base.config.GenericConfigException;
/**
* URLConnector.java
*
*/
public class URLConnector {
public static final String module = URLConnector.class.getName();
private URLConnection connection = null;
private URL url = null;
private String clientCertAlias = null;
private boolean timedOut = false;
private boolean trustAnyCert = false;
private int hostCertLevel = 2;
protected URLConnector() {}
protected URLConnector(URL url, String clientCertAlias, int hostCertLevel, boolean trustAnyCert) {
this.clientCertAlias = clientCertAlias;
this.url = url;
this.trustAnyCert = trustAnyCert;
this.hostCertLevel = hostCertLevel;
}
protected synchronized URLConnection openConnection(int timeout) throws IOException {
Thread t = new Thread(new URLConnectorThread());
t.start();
try {
this.wait(timeout);
} catch (InterruptedException e) {
if (connection == null) {
timedOut = true;
} else {
close(connection);
}
throw new IOException("Connection never established");
}
if (connection != null) {
return connection;
} else {
timedOut = true;
throw new IOException("Connection timed out");
}
}
// trusted certs only
public static URLConnection openConnection(URL url) throws IOException {
return openConnection(url, 30000);
}
public static URLConnection openConnection(URL url, int timeout) throws IOException {
return openConnection(url, timeout, null, SSLUtil.HOSTCERT_NORMAL_CHECK);
}
public static URLConnection openConnection(URL url, String clientCertAlias) throws IOException {
return openConnection(url, 30000, clientCertAlias, SSLUtil.HOSTCERT_NORMAL_CHECK);
}
public static URLConnection openConnection(URL url, int timeout, String clientCertAlias, int hostCertLevel) throws IOException {
URLConnector uc = new URLConnector(url, clientCertAlias, hostCertLevel, false);
return uc.openConnection(timeout);
}
// allow untrusted certs
public static URLConnection openUntrustedConnection(URL url) throws IOException {
return openConnection(url, 30000);
}
public static URLConnection openUntrustedConnection(URL url, int timeout) throws IOException {
return openConnection(url, timeout, null, SSLUtil.HOSTCERT_NORMAL_CHECK);
}
public static URLConnection openUntrustedConnection(URL url, String clientCertAlias) throws IOException {
return openConnection(url, 30000, clientCertAlias, SSLUtil.HOSTCERT_NORMAL_CHECK);
}
public static URLConnection openUntrustedConnection(URL url, int timeout, String clientCertAlias, int hostCertLevel) throws IOException {
URLConnector uc = new URLConnector(url, clientCertAlias, hostCertLevel, true);
return uc.openConnection(timeout);
}
// special thread to open the connection
private class URLConnectorThread implements Runnable {
public void run() {
URLConnection con = null;
try {
con = url.openConnection();
if ("HTTPS".equalsIgnoreCase(url.getProtocol())) {
HttpsURLConnection scon = (HttpsURLConnection) con;
try {
scon.setSSLSocketFactory(SSLUtil.getSSLSocketFactory(clientCertAlias, trustAnyCert));
HostnameVerifier hv = SSLUtil.getHostnameVerifier(hostCertLevel);
if (hv != null) {
scon.setHostnameVerifier(hv);
}
} catch (GeneralSecurityException e) {
Debug.logError(e, module);
} catch (GenericConfigException e) {
Debug.logError(e, module);
}
}
} catch (IOException e) {
Debug.logError(e, module);
}
synchronized (URLConnector.this) {
if (timedOut && con != null) {
close(con);
} else {
connection = con;
URLConnector.this.notify();
}
}
}
}
// closes the HttpURLConnection does nothing to others
private static void close(URLConnection con) {
if (con instanceof HttpURLConnection) {
((HttpURLConnection) con).disconnect();
}
}
}