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import org.junit.Assert;
import org.junit.Test;
import javax.net.ssl.*;
import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
public class HttpsTest {
private SSLSocketFactory factory;
/**
* Make a HTTPS GET request to a site with a self-signed certificate or a certificate signed by a
* self-signed ROOT certificate. Since a keystore with the Root is used, the request can be made.
*
* @throws Exception
*/
@Test
public void testSelfSignedCertWithKeyStore() throws Exception {
KeyStore keyStore = KeyStore.getInstance("JKS");
InputStream in = new FileInputStream("cacerts.jks");
keyStore.load(in, "changeit".toCharArray());
TrustManagerFactory tmf =
TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init(keyStore);
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(null, tmf.getTrustManagers(), null);
SSLSocketFactory sslFactory = ctx.getSocketFactory();
httpsGet("https://gce.ileci.com", sslFactory);
}
/**
* Make a HTTPS GET request to a site with a self-signed certificate or a certificate signed by a
* self-signed Root certificate. An <code>
* SSLHandshakeException</code> should be thrown.
*
* @throws Exception
*/
@Test
public void testSelfSignedCert() throws Exception {
try {
httpsGet("https://gce.ileci.com");
Assert.fail("SSLHandshakeException should be thrown for self signed certificate");
} catch (SSLHandshakeException ex) {
if (!(ex instanceof SSLHandshakeException)) {
throw ex;
}
}
}
/**
* Makes a HTTP GET request to a site with a valid HTTPS certificate. The request can be make.
*
* @throws Exception
*/
@Test
public void testValidCert() throws Exception {
httpsGet("https://www.baidu.com");
}
/**
* Makes a HTTP GET request to a site with an expired certificate. An <code>SSLHandshakeException
* </code> should be thrown.
*
* @throws Exception
*/
@Test
public void testExpiredCert() throws Exception {
try {
httpsGet("https://expired.badssl.com");
Assert.fail("SSLHandshakeException should be thrown for expired certificate");
} catch (Exception ex) {
if (!(ex instanceof SSLHandshakeException)) {
throw ex;
}
}
}
/**
* Makes a HTTP GET request to a site with an expired certificate. Since the custom
* SSLSocketFactory is used, the request can also be made.
*
* @throws Exception
*/
@Test
public void testExpiredCertWithSslFactory() throws Exception {
setSslFactory();
httpsGet("https://expired.badssl.com");
restoreSslFactory();
}
/**
* Sets a custom SSLSocketFactory which skips the certificate verification.
*
* @throws NoSuchAlgorithmException
* @throws KeyManagementException
*/
private void setSslFactory() throws NoSuchAlgorithmException, KeyManagementException {
factory = HttpsURLConnection.getDefaultSSLSocketFactory();
TrustManager[] trustAllCerts =
new TrustManager[] {
new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
@Override
public void checkClientTrusted(X509Certificate[] certs, String authType) {}
@Override
public void checkServerTrusted(X509Certificate[] certs, String authType) {}
}
};
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, new java.security.SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
}
/** Restore the default SSLSocketFactory. */
private void restoreSslFactory() {
HttpsURLConnection.setDefaultSSLSocketFactory(factory);
}
/**
* Makes a HTTPS get GET request with the default SSLSocketFactory.
*
* @param urlStr
* @throws MalformedURLException
* @throws IOException
*/
private void httpsGet(String urlStr) throws MalformedURLException, IOException {
httpsGet(urlStr, null);
}
/**
* Makes a HTTPS GET request and prints its response.
*
* @param urlStr URL
* @param sslSocketFactory If null, use the default.
* @throws MalformedURLException
* @throws IOException
*/
private void httpsGet(String urlStr, SSLSocketFactory sslSocketFactory)
throws MalformedURLException, IOException {
URL url = new URL(urlStr);
HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
if (sslSocketFactory != null) {
conn.setSSLSocketFactory(sslSocketFactory);
}
BufferedReader br = bufferedReader(conn);
String inputLine;
while ((inputLine = br.readLine()) != null) {
System.out.println(inputLine);
}
br.close();
}
private static BufferedReader bufferedReader(HttpsURLConnection conn) throws IOException {
InputStream in = conn.getInputStream();
InputStreamReader r = new InputStreamReader(in);
BufferedReader br = new BufferedReader(r);
return br;
}
}