TLS warning

tls.js

	function _getTLS(url, callback) {
		var deprecated = false;
		var message = [];
		
		$.ajax({
	        url: url,
		}).done(function(data) {
	    	if (parseFloat(data.tls_version.split(' ')[1]) < 1.2) {
	    		deprecated = true;
		    	message.push(app.resources.TLS_WARNING);
	    		callback(message);
		    }
	    }).fail(function(data) {
	    	var userAgent = navigator.userAgent;
	    	// Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)
	    	var oldIE = ['MSIE 6.0','MSIE 7.0','MSIE 8.0','MSIE 9.0','MSIE 10.0'];
			for (i=0; i < oldIE.length; i++) {
				if (userAgent.match(oldIE[i])) {
					deprecated = true;
					message.push(app.resources.TLS_WARNING);
					callback(message);
				}
			}
		});
	}

	function _getUserAgent() {
		var url = 'https://www.howsmyssl.com/a/check';
		var cookieName = 'TLSWarning';
		var cookieValue = 'true';
		var cookie = $.cookie(cookieName);
		_getTLS(url, function(message) {
			if (message.length > 0 && cookie != 'true') {
				$('<div id="tls"><a class="close tls">X</a>' + message + '</div>').prependTo('header');
				$('a.close.tls').show();
				$('a.close.tls').click(function() {
					// set cookie
			    	$.cookie(cookieName, cookieValue, { expires: 15, path: '/' });
					$(this).hide();
					$('div#tls').slideUp();
				});
			}
		});
	}

	$(document).ready(function(){
		_getUserAgent();
	});