Connect the Java client to the HTTPS Server

Import java. Io. bufferedreader;
Import java. Io. ioexception;
Import java. Io. inputstreamreader;
Import java.net. url;

Import javax.net. SSL. hostnameverifier;
Import javax.net. SSL. httpsurlconnection;
Import javax.net. SSL. sslsession;
Import javax. servlet. servletexception;
Import javax. servlet. http. httpservlet;
Import javax. servlet. http. httpservletrequest;
Import javax. servlet. http. httpservletresponse;
Import java. Io. dataoutputstream;
Import java.net. httpurlconnection;
Import org. Apache. xerces. impl. DV. util. base64;

 

 

Public class ssltest {

   Protected string connect (string strurl ){

           TrustallhttpscertificateS ();

           Hostnameverifier HV = new hostnameverifier (){
                      Public Boolean verify (string urlhostname, sslsession session ){
                              System. Out. println ("Warning: url host:" + urlhostname + "."
                                     + Session. getpeerhost ());
                               Return true;
                        }
          };

           Httpsurlconnection. setdefaulthostnameverifiEr (HV );

          
           URL url = new URL (strurl );
           Httpurlconnection urlconn = (httpurlconnection) URL. openconnection ();
 Connect to the HTTPS Server
         ......

   }

    
   Private Static void trustallhttpscertificateS () throws exception {

       //Create a trust manager that does not validate certificate chains:

       Javax.net. SSL. trustmanager [] trustallcerts =
               New javax.net. SSL. trustmanager [1];

       Javax.net. SSL. trustmanager TM = new mitm ();

       Trustallcerts [0] = TM;

       Javax.net. SSL. sslcontext SC =
               Javax.net. SSL. sslcontext. getinstance ("SSL ");

       SC. INIT (null, trustallcerts, null );

       Javax.net. SSL. httpsurlconnection. setdefasssslsocketfactoRy (
               SC. getsocketfactory ());

   }

   Public static class mitm implements javax.net. SSL. trustmanager,
           Javax.net. SSL. x509trustmanager {
       Public java. Security. cert. x509certificate [] getacceptedissuers (){
           Return NULL;
       }

       Public Boolean isservertrusted (
               Java. Security. cert. x509certificate [] CERTS ){
           Return true;
       }

       Public Boolean isclienttrusted (
               Java. Security. cert. x509certificate [] CERTS ){
           Return true;
       }

       Public void checkservertrusted (
               Java. Security. cert. x509certificate [] certs, string authtype) throws
               Java. Security. cert. certificateexception {
           Return;
       }

       Public void checkclienttrusted (
               Java. Security. cert. x509certificate [] certs, string authtype) throws
               Java. Security. cert. certificateexception {
           Return;
       }
   }
   
}