Re: https client

Shane <>
Tue, 05 Jun 2007 20:06:49 +1200
Arne Vajh??j wrote:

Shane wrote:

I am trying to write a basic https client. It will contact an https
site, post authentication details, follow some links, and retrieve some
information. This all seems like I am reinventing the wheel, but I am
struggling to find example code.

An example is attached below.





public class HttpsGetAuth {
    public static void main(String[] args) {
       try {
          SSLContext sslctx = SSLContext.getInstance("SSL");
          sslctx.init(null, new X509TrustManager[] { new
MyTrustManager() }, null);
          Authenticator.setDefault(new MyAuthenticator());
          URL url = new URL("");
          HttpsURLConnection con = (HttpsURLConnection)
          if (con.getResponseCode() == HttpsURLConnection.HTTP_OK) {
             InputStream is = con.getInputStream();
             OutputStream os = new FileOutputStream("C:\\z.z");
             byte[] b = new byte[1000];
             int n;
             while ((n = >= 0) {
                os.write(b, 0, n);
       } catch (NoSuchAlgorithmException e) {
       } catch (KeyManagementException e) {
       } catch (MalformedURLException e) {
       } catch (FileNotFoundException e) {
       } catch (IOException e) {

class MyTrustManager implements X509TrustManager
     public void checkClientTrusted(X509Certificate[] chain, String
authType) {
     public void checkServerTrusted(X509Certificate[] chain, String
authType) {
     public X509Certificate[] getAcceptedIssuers() {
         return null;

//class MyHostnameVerifier implements HostnameVerifier {
// public boolean verify(String urlHostName, SSLSession session) {
// return true;
// }

class MyAuthenticator extends Authenticator {
    protected PasswordAuthentication getPasswordAuthentication() {
       return new PasswordAuthentication("xxxx", "xxxx".toCharArray());

Awesome, thanks guys, that's what I needed
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