javascript/srp_register.js


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function SRP_REGISTER()
{
  var that;

  // Initiate the registration process
  SRP.prototype.register = function()
  {
    that = this;
    var handshake_url = this.geturl() + this.paths("register/salt/");
    var params = "I="+this.getI();
    this.ajaxRequest(handshake_url, params, this.register_receive_salt);
  };

  // Receive the salt for registration
  SRP.prototype.register_receive_salt = function()
  {
    var xhr = that.getxhr();
    if(xhr.readyState == 4 && xhr.status == 200) {
      if(xhr.responseXML.getElementsByTagName("salt").length > 0)
      {
        var s = that.innerxml(xhr.responseXML.getElementsByTagName("salt")[0]);
        var x = that.calcX(s);
        var v = that.getg().modPow(x, that.getN());
        that.register_send_verifier(v.toString(16));
      }
      else if(xhr.responseXML.getElementsByTagName("error").length > 0)
      {
        that.error_message(that.innerxml(xhr.responseXML.getElementsByTagName("error")[0]));
      }
    }
  };
  // Send the verifier to the server
  SRP.prototype.register_send_verifier = function(v)
  {
    var params = "v="+v;
    var auth_url = that.geturl() + that.paths("register/user/");
    that.ajaxRequest(auth_url, params, that.register_user);
  };

  // The user has been registered successfully, now login
  SRP.prototype.register_user = function()
  {
    var xhr = that.getxhr();
    if(xhr.readyState == 4 && xhr.status == 200) {
      if(xhr.responseXML.getElementsByTagName("ok").length > 0)
      {
        that.identify();
      }
    }
  };  
};
SRP_REGISTER();