1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/BoosterPack/logintets/login_controller.js	Mon Sep 27 16:57:26 2010 -0400
     1.3 @@ -0,0 +1,98 @@
     1.4 +// js handling the login procedures
     1.5 +
     1.6 +// constants
     1.7 +var NORMAL_STATE = 4;
     1.8 +var LOGIN_PREFIX = 'login.php?';
     1.9 +
    1.10 +// variables
    1.11 +var http = getHTTPObject(); // We create the HTTP Object
    1.12 +var hasSeed = false;
    1.13 +var loggedIn = false;
    1.14 +var seed_id = 0;
    1.15 +var seed = 0;
    1.16 +var fullname = '';
    1.17 +var messages = '';
    1.18 +
    1.19 +// getSeed method:  gets a seed from the server for this transaction
    1.20 +function getSeed() 
    1.21 +{		// only get a seed if we're not logged in and we don't already have one
    1.22 +		if (!loggedIn && !hasSeed) {
    1.23 +			// open up the path
    1.24 +			http.open('GET', LOGIN_PREFIX + 'task=getseed', true);
    1.25 +			http.onreadystatechange = handleHttpGetSeed;
    1.26 +			http.send(null);
    1.27 +		}
    1.28 +}
    1.29 +
    1.30 +// handleHttpGetSeed method: called when the seed is returned from the server
    1.31 +function handleHttpGetSeed()
    1.32 +{
    1.33 +	// if there hasn't been any errors
    1.34 +	if (http.readyState == NORMAL_STATE) {
    1.35 +		// split by the divider |
    1.36 +		results = http.responseText.split('|');
    1.37 +		
    1.38 +		// id is the first element
    1.39 +		seed_id = results[0];
    1.40 +		
    1.41 +		// seed is the second element
    1.42 +		seed = results[1];
    1.43 +		
    1.44 +		// now we have the seed
    1.45 +		hasSeed = true;
    1.46 +	}
    1.47 +}
    1.48 +
    1.49 +// validateLogin method: validates a login request
    1.50 +function validateLogin()
    1.51 +{
    1.52 +	// ignore request if we are already logged in
    1.53 +	if (loggedIn)
    1.54 +		return;
    1.55 +
    1.56 +	// get form form elements 'username' and 'password'
    1.57 +	username = document.getElementById('username').value;
    1.58 +	password = document.getElementById('password').value;
    1.59 +
    1.60 +	// ignore if either is empty
    1.61 +	if (username != '' && password  != '') {
    1.62 +		// compute the hash of the hash of the password and the seed
    1.63 +		hash = hex_md5(hex_md5(password) + seed);
    1.64 +		
    1.65 +		// open the http connection
    1.66 +		http.open('GET', LOGIN_PREFIX + 'task=checklogin&username='+username+'&id='+seed_id+'&hash='+hash, true);
    1.67 +		
    1.68 +		// where to go
    1.69 +		http.onreadystatechange = handleHttpValidateLogin;
    1.70 +		http.send(null);
    1.71 +	}
    1.72 +}
    1.73 +
    1.74 +// handleHttpValidateLogin method: called when the validation results are returned from the server
    1.75 +function handleHttpValidateLogin()
    1.76 +{
    1.77 +	// did the connection work?
    1.78 +	if (http.readyState == NORMAL_STATE) {
    1.79 +		// split by the pipe
    1.80 +		results = http.responseText.split('|');
    1.81 +		if (results[0] == 'true')
    1.82 +		{
    1.83 +			hasSeed = false;
    1.84 +			loggedIn = true;
    1.85 +			fullname = results[1];
    1.86 +			messages = '';
    1.87 +		}
    1.88 +		else
    1.89 +		{
    1.90 +			messages = results[1];
    1.91 +		}
    1.92 +		showLogin();
    1.93 +	}
    1.94 +}
    1.95 +
    1.96 +// resetLogin method: if logged in, 'logs out' and allows a different user/pass to be entered
    1.97 +function resetLogin()
    1.98 +{
    1.99 +	loggedIn = false;
   1.100 +	hasSeed = false;
   1.101 +}
   1.102 \ No newline at end of file