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// $Id$
/**
* Attach handlers to evaluate the strength of any password fields and to check
* that its confirmation is correct.
*/
Drupal.behaviors.password = function(context) {
var translate = Drupal.settings.password;
$("input.password-field:not(.password-processed)", context).each(function() {
var passwordInput = $(this).addClass('password-processed');
var parent = $(this).parent();
// Wait this number of milliseconds before checking password.
var monitorDelay = 700;
// Add the password strength layers.
$(this).after('<span class="password-strength"><span class="password-title">'+ translate.strengthTitle +'</span> <span class="password-result"></span></span>').parent();
var passwordStrength = $("span.password-strength", parent);
var passwordResult = $("span.password-result", passwordStrength);
parent.addClass("password-parent");
// Add the password confirmation layer.
var outerItem = $(this).parent().parent();
$("input.password-confirm", outerItem).after('<span class="password-confirm">'+ translate["confirmTitle"] +' <span></span></span>').parent().addClass("confirm-parent");
var confirmInput = $("input.password-confirm", outerItem);
var confirmResult = $("span.password-confirm", outerItem);
var confirmChild = $("span", confirmResult);
// Add the description box at the end.
$(confirmInput).parent().after('<div class="password-description"></div>');
var passwordDescription = $("div.password-description", $(this).parent().parent()).hide();
// Check the password fields.
var passwordCheck = function () {
// Remove timers for a delayed check if they exist.
if (this.timer) {
clearTimeout(this.timer);
}
// Verify that there is a password to check.
if (!passwordInput.val()) {
passwordStrength.css({ visibility: "hidden" });
passwordDescription.hide();
return;
}
// Evaluate password strength.
var result = Drupal.evaluatePasswordStrength(passwordInput.val());
passwordResult.html(result.strength == "" ? "" : translate[result.strength +"Strength"]);
// Map the password strength to the relevant drupal CSS class.
var classMap = { low: "error", medium: "warning", high: "ok" };
var newClass = classMap[result.strength] || "";
// Remove the previous styling if any exists; add the new class.
if (this.passwordClass) {
passwordResult.removeClass(this.passwordClass);
passwordDescription.removeClass(this.passwordClass);
}
passwordDescription.html(result.message);
passwordResult.addClass(newClass);
if (result.strength == "high") {
passwordDescription.hide();
}
else {
passwordDescription.addClass(newClass);
}
this.passwordClass = newClass;
// Check that password and confirmation match.
// Hide the result layer if confirmation is empty, otherwise show the layer.
confirmResult.css({ visibility: (confirmInput.val() == "" ? "hidden" : "visible") });
var success = passwordInput.val() == confirmInput.val();
// Remove the previous styling if any exists.
if (this.confirmClass) {
confirmChild.removeClass(this.confirmClass);
}
// Fill in the correct message and set the class accordingly.
var confirmClass = success ? "ok" : "error";
confirmChild.html(translate["confirm"+ (success ? "Success" : "Failure")]).addClass(confirmClass);
this.confirmClass = confirmClass;
// Show the indicator and tips.
passwordStrength.css({ visibility: "visible" });
passwordDescription.show();
};
// Do a delayed check on the password fields.
var passwordDelayedCheck = function() {
// Postpone the check since the user is most likely still typing.
if (this.timer) {
clearTimeout(this.timer);
}
// When the user clears the field, hide the tips immediately.
if (!passwordInput.val()) {
passwordStrength.css({ visibility: "hidden" });
passwordDescription.hide();
return;
}
// Schedule the actual check.
this.timer = setTimeout(passwordCheck, monitorDelay);
};
// Monitor keyup and blur events.
// Blur must be used because a mouse paste does not trigger keyup.
passwordInput.keyup(passwordDelayedCheck).blur(passwordCheck);
confirmInput.keyup(passwordDelayedCheck).blur(passwordCheck);
});
};
/**
* Evaluate the strength of a user's password.
*
* Returns the estimated strength and the relevant output message.
*/
Drupal.evaluatePasswordStrength = function(value) {
var strength = "", msg = "", translate = Drupal.settings.password;
var hasLetters = value.match(/[a-zA-Z]+/);
var hasNumbers = value.match(/[0-9]+/);
var hasPunctuation = value.match(/[^a-zA-Z0-9]+/);
var hasCasing = value.match(/[a-z]+.*[A-Z]+|[A-Z]+.*[a-z]+/);
// Check if the password is blank.
if (!value.length) {
strength = "";
msg = "";
}
// Check if length is less than 6 characters.
else if (value.length < 6) {
strength = "low";
msg = translate.tooShort;
}
// Check if password is the same as the username (convert both to lowercase).
else if (value.toLowerCase() == translate.username.toLowerCase()) {
strength = "low";
msg = translate.sameAsUsername;
}
// Check if it contains letters, numbers, punctuation, and upper/lower case.
else if (hasLetters && hasNumbers && hasPunctuation && hasCasing) {
strength = "high";
}
// Password is not secure enough so construct the medium-strength message.
else {
// Extremely bad passwords still count as low.
var count = (hasLetters ? 1 : 0) + (hasNumbers ? 1 : 0) + (hasPunctuation ? 1 : 0) + (hasCasing ? 1 : 0);
strength = count > 1 ? "medium" : "low";
msg = [];
if (!hasLetters || !hasCasing) {
msg.push(translate.addLetters);
}
if (!hasNumbers) {
msg.push(translate.addNumbers);
}
if (!hasPunctuation) {
msg.push(translate.addPunctuation);
}
msg = translate.needsMoreVariation +"<ul><li>"+ msg.join("</li><li>") +"</li></ul>";
}
return { strength: strength, message: msg };
};
/**
* Set the client's system timezone as default values of form fields.
*/
Drupal.setDefaultTimezone = function() {
var offset = new Date().getTimezoneOffset() * -60;
$("#edit-date-default-timezone, #edit-user-register-timezone").val(offset);
};
/**
* On the admin/user/settings page, conditionally show all of the
* picture-related form elements depending on the current value of the
* "Picture support" radio buttons.
*/
Drupal.behaviors.userSettings = function (context) {
$('div.user-admin-picture-radios input[type=radio]:not(.userSettings-processed)', context).addClass('userSettings-processed').click(function () {
$('div.user-admin-picture-settings', context)[['hide', 'show'][this.value]]();
});
};
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