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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
/**
* @file Implements the functionality of setp12password.xhtml: a dialog that lets
* the user confirm the password to set on a PKCS #12 file.
* @param {nsISupports} window.arguments.0
* Object to set the return values of calling the dialog on, queryable
* to the underlying type of SetP12PasswordReturnValues.
*/
/**
* @typedef SetP12PasswordReturnValues
* @type {nsIWritablePropertyBag2}
* @property {boolean} confirmedPassword
* Set to true if the user entered two matching passwords and
* confirmed the dialog.
* @property {string} password
* The password the user entered. Undefined value if
* |confirmedPassword| is not true.
*/
/**
* onload() handler.
*/
function onLoad() {
// Ensure the first password textbox has focus.
document.getElementById("pw1").focus();
document.addEventListener("dialogaccept", onDialogAccept);
document.addEventListener("dialogcancel", onDialogCancel);
}
/**
* ondialogaccept() handler.
*/
function onDialogAccept() {
let password = document.getElementById("pw1").value;
let retVals = window.arguments[0].QueryInterface(Ci.nsIWritablePropertyBag2);
retVals.setPropertyAsBool("confirmedPassword", true);
retVals.setPropertyAsAString("password", password);
}
/**
* ondialogcancel() handler.
*/
function onDialogCancel() {
let retVals = window.arguments[0].QueryInterface(Ci.nsIWritablePropertyBag2);
retVals.setPropertyAsBool("confirmedPassword", false);
}
/**
* Calculates the strength of the given password, suitable for use in updating
* a progress bar that represents said strength.
*
* The strength of the password is calculated by checking the number of:
* - Characters
* - Numbers
* - Non-alphanumeric chars
* - Upper case characters
*
* @param {string} password
* The password to calculate the strength of.
* @returns {number}
* The strength of the password in the range [0, 100].
*/
function getPasswordStrength(password) {
let lengthStrength = password.length;
if (lengthStrength > 5) {
lengthStrength = 5;
}
let nonNumericChars = password.replace(/[0-9]/g, "");
let numericStrength = password.length - nonNumericChars.length;
if (numericStrength > 3) {
numericStrength = 3;
}
let nonSymbolChars = password.replace(/\W/g, "");
let symbolStrength = password.length - nonSymbolChars.length;
if (symbolStrength > 3) {
symbolStrength = 3;
}
let nonUpperAlphaChars = password.replace(/[A-Z]/g, "");
let upperAlphaStrength = password.length - nonUpperAlphaChars.length;
if (upperAlphaStrength > 3) {
upperAlphaStrength = 3;
}
let strength =
lengthStrength * 10 -
20 +
numericStrength * 10 +
symbolStrength * 15 +
upperAlphaStrength * 10;
if (strength < 0) {
strength = 0;
}
if (strength > 100) {
strength = 100;
}
return strength;
}
/**
* oninput() handler for both password textboxes.
*
* @param {boolean} recalculatePasswordStrength
* Whether to recalculate the strength of the first password.
*/
function onPasswordInput(recalculatePasswordStrength) {
let pw1 = document.getElementById("pw1").value;
if (recalculatePasswordStrength) {
document.getElementById("pwmeter").value = getPasswordStrength(pw1);
}
// Disable the accept button if the two passwords don't match, and enable it
// if the passwords do match.
let pw2 = document.getElementById("pw2").value;
document.getElementById("setp12password").getButton("accept").disabled =
pw1 != pw2;
}