JAVA: POST data via HTTPS does not seem to get sent?

Posted by ostollmann on Stack Overflow See other posts from Stack Overflow or by ostollmann
Published on 2010-03-20T01:17:15Z Indexed on 2010/03/20 1:21 UTC
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Hi guys (and girls),

I have a problem POSTing data via HTTPS in Java. The server response is the same whether or not I send 'query'. Maybe someone can point out what the problem is...

Thanks!

Main class:

package bind;

public class Main {

    public static final String urlString = "https://www.sms.ethz.ch/cgi-bin/sms/send.pl";

    public static void main(String[] args) {

 Message msg = new Message("Alles klar?");
 URL url = new URL(urlString);

 String[][] values = new String[3][2];
 values[0][0] = "action";
 values[0][1] = "listoriginators";
 values[1][0] = "username";
 values[1][1] = "xxxxxx";
 values[2][0] = "password";
 values[2][1] = "xxxxxx";


 Query query = new Query(values);
 System.out.println("Query: " + query.getQuery());

 Request request = new Request(url.getURL(), query.getQuery());


    }
}

Request class:

package bind;

public class Request {
    static private int ic = 0;
    private URL url;

    protected Request(java.net.URL URL, String query){
 ic++;
 if(CONSTANTS.SHOW_LOGS) { System.out.println("log: new instance of 'Message'"); }

 // connect
 try {

     System.setProperty("java.protocol.handler.pkgs", "com.sun.net.ssl.internal.www.protocol");
     java.security.Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

     javax.net.ssl.HttpsURLConnection connection = (javax.net.ssl.HttpsURLConnection) URL.openConnection();
     connection.setDoInput(true);
     connection.setDoOutput(true);
     connection.setRequestMethod("POST");
     connection.setFollowRedirects(true);

     connection.setRequestProperty("Content-Length", String.valueOf(query.length()));
     connection.setRequestProperty("Content-Type", "application/x-www- form-urlencoded");
     connection.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");

     java.io.DataOutputStream output = new java.io.DataOutputStream(connection.getOutputStream());

     output.writeBytes(query); // <<-- NOTHING CHANGES IF I COMMENT THIS OUT OR NOT !!??!?!

     System.out.println("log: response code: " + connection.getResponseCode());
     System.out.println("log: response message: " + connection.getResponseMessage());

     java.io.DataInputStream input = new java.io.DataInputStream(connection.getInputStream());
     for(int i = input.read(); i != -1; i = input.read()) {
  System.out.print((char)i);
     }
     System.out.print("\n");
     input.close();

 } catch(java.io.IOException e) {
     if(CONSTANTS.SHOW_LOGS) {
  System.out.println("error: unable to connect");
  System.out.println(e);
  e.printStackTrace();
     }
 }

    }
}

URL Class:

public class URL {
    static private int ic = 0;
    private String URLString;
    private java.net.URL url;

    protected URL(String a_url){
 ic++;

 if(CONSTANTS.SHOW_LOGS) { System.out.println("log: new instance of 'URL'"); }

 setURLString(a_url);
 createURL();
    }

    private void setURLString(String a_url) {
 URLString = a_url;
    }

    private void createURL() {
 try {
     url = new java.net.URL(URLString);
 } catch(java.net.MalformedURLException e) {
     System.out.println("error: invalid URL");
     System.out.println(e);
     e.printStackTrace();
 }
    }

    private void showURL() {
 System.out.println("URL: " + url.getHost() + url.getPath());
    }

    public java.net.URL getURL() {
 return url;
    }

}

PS: mostly from here: http://www.java-samples.com/java/POST-toHTTPS-url-free-java-sample-program.htm

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