Created
January 23, 2017 08:55
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Sample HTTPS Client (from http://www.mkyong.com/java/java-https-client-httpsurlconnection-example/)
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import javax.net.ssl.HttpsURLConnection; | |
import javax.net.ssl.SSLPeerUnverifiedException; | |
import java.io.BufferedReader; | |
import java.io.IOException; | |
import java.io.InputStreamReader; | |
import java.net.MalformedURLException; | |
import java.net.URL; | |
import java.security.cert.Certificate; | |
public class HttpsClient { | |
public static void main(String[] args) { | |
new HttpsClient().testIt(args); | |
} | |
private void testIt(String[] args) { | |
String https_url = args[0]; | |
URL url; | |
try { | |
url = new URL(https_url); | |
HttpsURLConnection con = (HttpsURLConnection) url.openConnection(); | |
//dump all cert info | |
print_https_cert(con); | |
//dump all the content | |
print_content(con); | |
} catch (MalformedURLException e) { | |
e.printStackTrace(); | |
} catch (IOException e) { | |
e.printStackTrace(); | |
} | |
} | |
private void print_https_cert(HttpsURLConnection con) { | |
if (con != null) { | |
try { | |
System.out.println("Response Code : " + con.getResponseCode()); | |
System.out.println("Cipher Suite : " + con.getCipherSuite()); | |
System.out.println("\n"); | |
Certificate[] certs = con.getServerCertificates(); | |
for (Certificate cert : certs) { | |
System.out.println("Cert Type : " + cert.getType()); | |
System.out.println("Cert Hash Code : " + cert.hashCode()); | |
System.out.println("Cert Public Key Algorithm : " | |
+ cert.getPublicKey().getAlgorithm()); | |
System.out.println("Cert Public Key Format : " | |
+ cert.getPublicKey().getFormat()); | |
System.out.println("\n"); | |
} | |
} catch (SSLPeerUnverifiedException e) { | |
e.printStackTrace(); | |
} catch (IOException e) { | |
e.printStackTrace(); | |
} | |
} | |
} | |
private void print_content(HttpsURLConnection con) { | |
if (con != null) { | |
try { | |
System.out.println("****** Content of the URL ********"); | |
BufferedReader br = | |
new BufferedReader( | |
new InputStreamReader(con.getInputStream())); | |
String input; | |
while ((input = br.readLine()) != null) { | |
System.out.println(input); | |
} | |
br.close(); | |
} catch (IOException e) { | |
e.printStackTrace(); | |
} | |
} | |
} | |
} |
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