[AJAX] Niveau de sécurité du mot de passe

**ouldfella** · 28/03/2012, 12h24

bonjour,
j'ai essayé de copier le script de Niveau de sécurité du mot de passe de gmail quand on modifie notre mot de passe.

Code :

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<script type="text/javascript" src="mps.js"></script>
  <script type="text/javascript">
<!--
  var myxmlhttp;
  var isBrowserCompatible;
  ratingMsgs = new Array(6);
  ratingMsgColors = new Array(6);
  barColors = new Array(6);
 
  ratingMsgs[0] = "Trop court";
  ratingMsgs[1] = "Faible";
  ratingMsgs[2] = "Correct";
  ratingMsgs[3] = "Bon";
  ratingMsgs[4] = "Élevé(e)";
  ratingMsgs[5] = "Non évalué"; 
 
  ratingMsgColors[0] = "#676767";
  ratingMsgColors[1] = "#aa0033";
  ratingMsgColors[2] = "#f5ac00";
  ratingMsgColors[3] = "#6699cc";
  ratingMsgColors[4] = "#008000";
  ratingMsgColors[5] = "#676767";
 
  barColors[0] = "#dddddd";
  barColors[1] = "#aa0033";
  barColors[2] = "#ffcc33";
  barColors[3] = "#6699cc";
  barColors[4] = "#008000";
  barColors[5] = "#676767";
function CreateRatePasswdReq(formKey) {
    if (!isBrowserCompatible) {
      return;
    }
 
	//var passwd = document.forms[formKey].Passwd.value;
 
	var passwd = document.getElementById("Passwd").value;  
	var min_passwd_len = 3;
    var passwdKey = "Passwd";
 
    if (passwd.length < min_passwd_len) {
      if (passwd.length > 0) { 
  DrawBar(0);
  } else {
  resetBar();
  }
  } else {
  passwd = escape(passwd);
  var params = passwdKey + "=" + passwd;
  myxmlhttp = CreateXmlHttpReq(RatePasswdXmlHttpHandler); 
  XmlHttpPOST(myxmlhttp, "verifniveau.php", params);
  }
  }
 
  function RatePasswdXmlHttpHandler() {
  if (myxmlhttp.readyState != 4) {
  return;
  }
  rating = parseInt(myxmlhttp.responseText);
  DrawBar(rating);
  }
function DrawBar(rating) {
  var posbar = getElement('posBar');
  var negbar = getElement('negBar');
  var passwdRating = getElement('passwdRating');
  var barLength = getElement('passwdBarDiv').width;
  if (rating >= 0 && rating <= 4) {  
      posbar.style.width = barLength / 4 * rating;
      negbar.style.width = barLength / 4 * (4 - rating);
    } else {
      posbar.style.width = 0;
      negbar.style.width = barLength;
      rating = 5; 
    }
    posbar.style.background = barColors[rating];
    passwdRating.innerHTML = "<font color='" + ratingMsgColors[rating] +
                             "'>" + ratingMsgs[rating] + "</font>";
  }
function resetBar() {
  var posbar = getElement('posBar');
  var negbar = getElement('negBar');
  var passwdRating = getElement('passwdRating');
  var barLength = getElement('passwdBar').width;
  posbar.style.width = "0px";
  negbar.style.width = barLength + "px";
  passwdRating.innerHTML = "";
  }
  var agt = navigator.userAgent.toLowerCase();
  var is_op = (agt.indexOf("opera") != -1);
  var is_ie = (agt.indexOf("msie") != -1) && document.all && !is_op;
  var is_mac = (agt.indexOf("mac") != -1);
  var is_gk = (agt.indexOf("gecko") != -1);
  var is_sf = (agt.indexOf("safari") != -1);
  function gff(str, pfx) {
  var i = str.indexOf(pfx);
  if (i != -1) {
  var v = parseFloat(str.substring(i + pfx.length));
  if (!isNaN(v)) {
  return v;
  }
  }
  return null;
  }
function Compatible() {
  if (is_ie && !is_op && !is_mac) {
  var v = gff(agt, "msie ");
  if (v != null) {
  return (v >= 6.0);
  }
  }
  if (is_gk && !is_sf) {
  var v = gff(agt, "rv:");
  if (v != null) {
  return (v >= 1.4);
  } else {
  v = gff(agt, "galeon/");
  if (v != null) {
  return (v >= 1.3);
  }
  }
  }
  if (is_sf) {
  var v = gff(agt, "applewebkit/");
  if (v != null) {
  return (v >= 124);
  }
  }
  return false;
  }
  myxmlhttp = CreateXmlHttpReq(RatePasswdXmlHttpHandler);
  isBrowserCompatible = Compatible() && myxmlhttp;
</script>

le fichier mps.js

Code :

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//------------------------------------------------------------------------
// This file depends on: 
// http://gmail.google.com/gmail?view=page&name=browser
//------------------------------------------------------------------------
 
//------------------------------------------------------------------------
// Some browser detection logic. 
// Once http://gmail.google.com/gmail?view=page&name=browser has these 
// variables as *global* these definitions can be deleted. 
//------------------------------------------------------------------------
var agt = navigator.userAgent.toLowerCase();
var is_op = (agt.indexOf("opera") != -1);
var is_ie = (agt.indexOf("msie") != -1) && document.all && !is_op;
var is_ie5 = (agt.indexOf("msie 5") != -1) && document.all && !is_op;
 
//------------------------------------------------------------------------
// Communication with server
//------------------------------------------------------------------------
 
function CreateXmlHttpReq(handler) {
  var xmlhttp = null;
  if (is_ie) {
    // Guaranteed to be ie5 or ie6
    var control = (is_ie5) ? "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP";
 
    try {
      xmlhttp = new ActiveXObject(control);
      xmlhttp.onreadystatechange = handler;
    } catch (ex) {
      // TODO: better help message
      alert("You need to enable active scripting and activeX controls");  
    }
 
  } else {
 
    // Mozilla
    xmlhttp = new XMLHttpRequest();
    xmlhttp.onload = handler;
    xmlhttp.onerror = handler;
 
  }
 
  return xmlhttp;
}
 
// XMLHttp send POST request
function XmlHttpPOST(xmlhttp, url, data) {
  try {
    xmlhttp.open("POST", url, true);
    xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
    xmlhttp.send(data);
 
  } catch (ex) {
    // do nothing
  }
}
 
// XMLHttp send GEt request
function XmlHttpGET(xmlhttp, url) {
  try {
    xmlhttp.open("GET", url, true);	
    xmlhttp.send(null);
 
  } catch (ex) {
    // do nothing
  }
}