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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
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+/**
+ * @file Implements the functionality of setp12password.xul: a dialog that lets
+ * the user confirm the password to set on a PKCS #12 file.
+ * @argument {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.
+ */
+
+const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
+
+/**
+ * onload() handler.
+ */
+function onLoad() {
+ // Ensure the first password textbox has focus.
+ document.getElementById("pw1").focus();
+}
+
+/**
+ * ondialogaccept() handler.
+ *
+ * @returns {Boolean} true to make the dialog close, false otherwise.
+ */
+function onDialogAccept() {
+ let password = document.getElementById("pw1").value;
+
+ let retVals = window.arguments[0].QueryInterface(Ci.nsIWritablePropertyBag2);
+ retVals.setPropertyAsBool("confirmedPassword", true);
+ retVals.setPropertyAsAString("password", password);
+ return true;
+}
+
+/**
+ * ondialogcancel() handler.
+ *
+ * @returns {Boolean} true to make the dialog close, false otherwise.
+ */
+function onDialogCancel() {
+ let retVals = window.arguments[0].QueryInterface(Ci.nsIWritablePropertyBag2);
+ retVals.setPropertyAsBool("confirmedPassword", false);
+ return true;
+}
+
+/**
+ * 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.documentElement.getButton("accept").disabled = (pw1 != pw2);
+}