/**
 * External login_auto script useful for Demo purposes
 * @Installation:
 * 			copy this script into webmail directory and change sServerURL and sClientUrl paths below
 * @Date:	4.7.2007 9:04:47
 **/

function oExt_Login (){


	this.sServerURL = 'server/webmail.php';					//proxy.php path (or webmail.php path if it is in the same domain)
	this.sClientUrl = '/';	//WebMail Pro URL


	//Mozilla & MSIE7
	if (window.XMLHttpRequest)
		this.oXMLHttp = new XMLHttpRequest();
	else
	//MSIE 6
	if(!navigator.__ice_version && window.ActiveXObject)
		this.oXMLHttp = new ActiveXObject('Microsoft.XMLHTTP');
};

oExt_Login.prototype.response = function(sInput){

	var xOutput = null;
	try {
		xOutput = new ActiveXObject('Microsoft.XMLDOM');
		xOutput.async = false;
		xOutput.resolveExternals = false;
    	xOutput.validateOnParse = false;
		xOutput.loadXML(sInput);

		if (xOutput.parseError.errorCode)
			alert(	"Error code: "+ xOutput.parseError.errorCode +
                    "\nLine: " + xOutput.parseError.line + ':'+ xOutput.parseError.linePos +
					"\nReason: "+ xOutput.parseError.reason +
					"\n" + xOutput.parseError.srcText);
	}
	catch (e) {
		var xParser = new DOMParser();
		xOutput = xParser.parseFromString(sInput, 'text/xml');
	}
	
	this.oXMLHttp.open('POST', this.sServerURL, false);
	this.oXMLHttp.send(xOutput);

	return this.oXMLHttp.responseXML;
};

oExt_Login.prototype.login = function(user,pass,rsa){
    if (!this.oXMLHttp || !user || (!pass && !rsa)) return;

	//Escape username
    var text = document.createTextNode(user);
    var div = document.createElement('div');
	    div.appendChild(text);
    user = div.innerHTML;

	var tmp;
	try{
		if(!rsa)
            pass = this.getrsa(user,pass);
		else
		    pass = rsa;

		//SET LOGIN info
		tmp = this.response('<iq type="set"><query xmlns="webmail:iq:auth"><username>'+user+'</username><digest>'+pass+'</digest><method>RSA</method></query></iq>');
		var sid = tmp.getElementsByTagName('iq')[0].getAttribute('sid');
		if (!sid) throw 'Invalid Login';
		this.redirect(sid);
	}
	catch(e){
		alert('Error - '+e);
	}
};

oExt_Login.prototype.getrsa = function(user,pass){
		//GET RSA public key
		tmp = this.response('<iq type="get" format="xml"><query xmlns="webmail:iq:auth"><username>'+user+'</username><method>RSA</method></query></iq>');
		var key = tmp.getElementsByTagName('hashid')[0].firstChild.nodeValue;

		//Prepare RSA library
		var rsa = new RSAKey();
			rsa.setPublic(key, '10001');
			
		return rsa.encrypt(pass);
};

oExt_Login.prototype.loginform = function(elm){
	this.login(elm.username.value,elm.password.value);
	return false;
};

oExt_Login.prototype.redirect = function(sid){
	document.location.href = this.sClientUrl+'?sid='+sid;
};

Ext_Login = new oExt_Login();



/*	AUTO LOGIN

DO NOT follow this steps!

	Step1: Uncomment for popup with your RSA */
//document.write(Ext_Login.getrsa('demo','demopass'));

/*	Step2: Reload login.html page, RSA key should apear as text in the body */

/*	Step3: Comment Step1 */

/*	Step4: Paste RSA key from page instead of 'myrsa' and undo your changes on Step1 */
//Ext_Login.login('demo','','myrsa');