D-Net

package eu.dnetlib.data.collector.plugins;

import java.io.IOException;

import java.net.HttpURLConnection;

import java.net.URL;

import javax.net.ssl.HostnameVerifier;

import javax.net.ssl.HttpsURLConnection;

import javax.net.ssl.SSLProtocolException;

import javax.net.ssl.SSLSession;

import eu.dnetlib.data.collector.rmi.CollectorServiceException;

import org.junit.Before;

import org.junit.Ignore;

import org.junit.Test;

public class HttpConnectorTest {

	private HttpConnector connector;

	private static final String URL = "https://researchdata.ands.org.au/registry/services/oai?verb=Identify";

	private static final String URL_MISCONFIGURED_SERVER = "https://www.alexandria.unisg.ch/cgi/oai2?verb=Identify";

	private static final String URL_GOODSNI_SERVER = "https://air.unimi.it/oai/openaire?verb=Identify";

	static {

		System.setProperty("javax.net.debug", "ssl,handshake");

	}

	@Before

	public void setUp() {

		connector = new HttpConnector();

		System.setProperty("jsse.enableSNIExtension", "true");

	}

	@Test

	@Ignore

	public void testGetInputSource() throws CollectorServiceException {

		System.out.println(connector.getInputSource(URL));

	}

	@Test

	@Ignore

	public void testMisconfiguredServers() throws CollectorServiceException {

		System.out.println(connector.getInputSource(URL_MISCONFIGURED_SERVER));

	}

	@Test

	@Ignore

	public void testMisconfiguredServers2() throws IOException {

		HttpURLConnection urlConn = (HttpURLConnection) new URL(URL_MISCONFIGURED_SERVER).openConnection();

		urlConn.getResponseMessage();

	}

	@Test

	public void testDisablingSNI() throws IOException {

		HttpURLConnection urlConn = null;

		try {

			urlConn = (HttpURLConnection) new URL(URL_MISCONFIGURED_SERVER).openConnection();

			urlConn.getResponseMessage();

		 } catch(SSLProtocolException sslExce) {

			if (sslExce.getMessage() != null && sslExce.getMessage().equals("handshake alert:  unrecognized_name")) {

				System.out.println("Server has misconfigured SSL SNI (handshake alert:  unrecognized_name). Trying to disable SNI");

				if (urlConn instanceof HttpsURLConnection) {

					HttpsURLConnection httpsUrlConnection = (HttpsURLConnection) urlConn;

					httpsUrlConnection.setHostnameVerifier(new HostnameVerifier() {

						public boolean verify( String s, SSLSession sess ) {

							return true;

						}});

				}

				urlConn.getResponseMessage();

			}

		}

	}

	@Test

	public void testGoodServers() throws CollectorServiceException {

		System.out.println(connector.getInputSource(URL_GOODSNI_SERVER));

	}

}