Data update

Task/HTTPS-Client-authenticated/Java/https-client-authenticated.java

@@ -0,0 +1,41 @@
+import java.io.BufferedInputStream;
+import java.io.FileInputStream;
+import java.net.URI;
+import java.net.URL;
+import java.security.KeyStore;
+import java.util.Scanner;
+
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.KeyManagerFactory;
+import javax.net.ssl.SSLContext;
+
+public final class HTTPSClientAuthenticated {
+
+	public static void main(String[] aArgs) throws Exception {
+		final String keyStorePath = "the/path/to/keystore"; // The key store contains the client's certificate
+		final String keyStorePassword = "my-password";
+		
+	    SSLContext sslContext = getSSLContext(keyStorePath, keyStorePassword);
+	    URL url = new URI("https://somehost.com").toURL();
+	    HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
+	    connection.setSSLSocketFactory(sslContext.getSocketFactory());	
+	
+	    // Obtain response from the url
+	    BufferedInputStream response = (BufferedInputStream) connection.getInputStream();
+	    try ( Scanner scanner = new Scanner(response) ) {
+	        String responseBody = scanner.useDelimiter("\\A").next();
+	        System.out.println(responseBody);
+	    }	
+	}
+	
+	private static SSLContext getSSLContext(String aPath, String aPassword) throws Exception {
+	    KeyStore keyStore = KeyStore.getInstance("pkcs12");
+	    keyStore.load( new FileInputStream(aPath), aPassword.toCharArray());
+	    KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance("PKIX");
+	    keyManagerFactory.init(keyStore, aPassword.toCharArray());
+	    SSLContext sslContext = SSLContext.getInstance("TLS");
+	    sslContext.init(keyManagerFactory.getKeyManagers(), null, null);
+	    return sslContext;
+	}
+	
+}