src/mcsClient/Main.java

   1 package mcsClient;
   2 import java.io.*;
   3 import java.security.*;
   4 import java.security.cert.*;
   5 import java.net.*;
   6 import javax.net.*;
   7 import javax.net.ssl.*;
   8
   9 public class Main {
  10     private static boolean stop;
  11     public static void main(String[] s) throws Exception {
  12         if (s.length != 1 || s[0].indexOf('@')==-1) {
  13             System.err.println("usage: java -jar mcs.jar <username>@<hostname>");
  14             System.exit(-1);
  15         }
  16
  17         final String user = s[0].substring(0, s[0].indexOf('@'));
  18         String host = s[0].substring(s[0].indexOf('@')+1);
  19         System.out.print("password for "+s[0]+":  ");
  20
  21         stop = false;
  22         new Thread() {
  23             public void run() {
  24                 while (!stop) {
  25                     System.out.print("\010*");
  26                     try { Thread.currentThread().sleep(1); }
  27                     catch(InterruptedException ie) { ie.printStackTrace(); }
  28                 }
  29             }
  30         }.start();
  31         BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  32         final String password = in.readLine();
  33         stop = true;
  34         System.out.println();
  35
  36         Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
  37         TrustManager[] trustAllCerts = new TrustManager[] {
  38             new X509TrustManager() {
  39                 public X509Certificate[] getAcceptedIssuers() { return null; }
  40                 public void checkServerTrusted(X509Certificate[] certs, String authType)
  41                     throws CertificateException { return; }
  42                 public void checkClientTrusted(X509Certificate[] certs, String authType)
  43                     throws CertificateException { return; }
  44             }
  45         };
  46         SSLContext sc = SSLContext.getInstance("SSL");
  47         sc.init(null, trustAllCerts, new SecureRandom());
  48         HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
  49         HostnameVerifier hv = new HostnameVerifier() {
  50                 public boolean verify(String urlHostName, SSLSession session) {
  51                     return true; } };
  52         HttpsURLConnection.setDefaultHostnameVerifier(hv);
  53
  54         Authenticator.setDefault(new Authenticator() {
  55                 protected PasswordAuthentication getPasswordAuthentication() {
  56                     return new PasswordAuthentication (user, password.toCharArray());
  57                 }
  58             });
  59
  60         BufferedReader br;
  61         HttpURLConnection con;
  62
  63         System.out.println();
  64         System.out.println();
  65         System.out.println("*** requesting welcome.ssi...");
  66         con = (HttpURLConnection)new URL("https://"+host+"/private/welcome.ssi").openConnection();
  67         ((HttpsURLConnection)con).setHostnameVerifier(new HostnameVerifier() {
  68                 public boolean verify(String hostname, SSLSession session) { return true; } });
  69         br = new BufferedReader(new InputStreamReader(con.getInputStream()));
  70         for(String ss = br.readLine(); ss!=null; ss=br.readLine())
  71             System.err.println(ss);
  72
  73         String token = null;
  74         System.out.println();
  75         System.out.println();
  76         System.out.println("*** requesting rc_frame.ssi...");
  77         con = (HttpURLConnection)new URL("https://"+host+"/private/rc_frame.ssi").openConnection();
  78         ((HttpsURLConnection)con).setHostnameVerifier(new HostnameVerifier() {
  79                 public boolean verify(String hostname, SSLSession session) { return true; } });
  80         br = new BufferedReader(new InputStreamReader(con.getInputStream()));
  81         for(String ss = br.readLine(); ss!=null; ss=br.readLine()) {
  82             System.err.println(ss);
  83             if (ss.startsWith("ac =\"")) {
  84                 ss = ss.substring(5).trim();
  85                 while(ss.charAt(ss.length()-1)=='\"')
  86                     ss = ss.substring(0, ss.length()-1);
  87                 token = ss;
  88             }
  89         }
  90
  91         System.out.println();
  92         System.out.println();
  93         if (token!=null)
  94             McsClient.go(host, user, token);
  95     }
  96 }