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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
*
* 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";
/*
* These are helper functions to be included
* pippki UI js files.
*/
function setText(id, value) {
let element = document.getElementById(id);
if (!element) {
return;
}
if (element.hasChildNodes()) {
element.removeChild(element.firstChild);
}
element.appendChild(document.createTextNode(value));
}
const nsICertificateDialogs = Components.interfaces.nsICertificateDialogs;
const nsCertificateDialogs = "@mozilla.org/nsCertificateDialogs;1";
function viewCertHelper(parent, cert) {
if (!cert) {
return;
}
var cd = Components.classes[nsCertificateDialogs].getService(nsICertificateDialogs);
cd.viewCert(parent, cert);
}
function getDERString(cert)
{
var length = {};
var derArray = cert.getRawDER(length);
var derString = '';
for (var i = 0; i < derArray.length; i++) {
derString += String.fromCharCode(derArray[i]);
}
return derString;
}
function getPKCS7String(cert, chainMode)
{
var length = {};
var pkcs7Array = cert.exportAsCMS(chainMode, length);
var pkcs7String = '';
for (var i = 0; i < pkcs7Array.length; i++) {
pkcs7String += String.fromCharCode(pkcs7Array[i]);
}
return pkcs7String;
}
function getPEMString(cert)
{
var derb64 = btoa(getDERString(cert));
// Wrap the Base64 string into lines of 64 characters with CRLF line breaks
// (as specified in RFC 1421).
var wrapped = derb64.replace(/(\S{64}(?!$))/g, "$1\r\n");
return "-----BEGIN CERTIFICATE-----\r\n"
+ wrapped
+ "\r\n-----END CERTIFICATE-----\r\n";
}
function alertPromptService(title, message)
{
var ps = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].
getService(Components.interfaces.nsIPromptService);
ps.alert(window, title, message);
}
const DEFAULT_CERT_EXTENSION = "crt";
/**
* Generates a filename for a cert suitable to set as the |defaultString|
* attribute on an nsIFilePicker.
*
* @param {nsIX509Cert} cert
* The cert to generate a filename for.
* @returns {String}
* Generated filename.
*/
function certToFilename(cert) {
let filename = cert.commonName;
if (!filename) {
filename = cert.windowTitle;
}
// Remove unneeded and/or unsafe characters.
filename = filename.replace(/\s/g, "")
.replace(/\./g, "")
.replace(/\\/g, "")
.replace(/\//g, "");
// nsIFilePicker.defaultExtension is more of a suggestion to some
// implementations, so we include the extension in the file name as well. This
// is what the documentation for nsIFilePicker.defaultString says we should do
// anyways.
return `${filename}.${DEFAULT_CERT_EXTENSION}`;
}
function exportToFile(parent, cert)
{
var bundle = document.getElementById("pippki_bundle");
if (!cert) {
return;
}
var nsIFilePicker = Components.interfaces.nsIFilePicker;
var fp = Components.classes["@mozilla.org/filepicker;1"].
createInstance(nsIFilePicker);
fp.init(parent, bundle.getString("SaveCertAs"),
nsIFilePicker.modeSave);
fp.defaultString = certToFilename(cert);
fp.defaultExtension = DEFAULT_CERT_EXTENSION;
fp.appendFilter(bundle.getString("CertFormatBase64"), "*.crt; *.pem");
fp.appendFilter(bundle.getString("CertFormatBase64Chain"), "*.crt; *.pem");
fp.appendFilter(bundle.getString("CertFormatDER"), "*.der");
fp.appendFilter(bundle.getString("CertFormatPKCS7"), "*.p7c");
fp.appendFilter(bundle.getString("CertFormatPKCS7Chain"), "*.p7c");
fp.appendFilters(nsIFilePicker.filterAll);
var res = fp.show();
if (res != nsIFilePicker.returnOK && res != nsIFilePicker.returnReplace) {
return;
}
var content = '';
switch (fp.filterIndex) {
case 1:
content = getPEMString(cert);
var chain = cert.getChain();
for (let i = 1; i < chain.length; i++) {
content += getPEMString(chain.queryElementAt(i, Components.interfaces.nsIX509Cert));
}
break;
case 2:
content = getDERString(cert);
break;
case 3:
content = getPKCS7String(cert, Components.interfaces.nsIX509Cert.CMS_CHAIN_MODE_CertOnly);
break;
case 4:
content = getPKCS7String(cert, Components.interfaces.nsIX509Cert.CMS_CHAIN_MODE_CertChainWithRoot);
break;
case 0:
default:
content = getPEMString(cert);
break;
}
var msg;
var written = 0;
try {
var file = Components.classes["@mozilla.org/file/local;1"].
createInstance(Components.interfaces.nsILocalFile);
file.initWithPath(fp.file.path);
var fos = Components.classes["@mozilla.org/network/file-output-stream;1"].
createInstance(Components.interfaces.nsIFileOutputStream);
// flags: PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE
fos.init(file, 0x02 | 0x08 | 0x20, 0o0644, 0);
written = fos.write(content, content.length);
fos.close();
} catch (e) {
switch (e.result) {
case Components.results.NS_ERROR_FILE_ACCESS_DENIED:
msg = bundle.getString("writeFileAccessDenied");
break;
case Components.results.NS_ERROR_FILE_IS_LOCKED:
msg = bundle.getString("writeFileIsLocked");
break;
case Components.results.NS_ERROR_FILE_NO_DEVICE_SPACE:
case Components.results.NS_ERROR_FILE_DISK_FULL:
msg = bundle.getString("writeFileNoDeviceSpace");
break;
default:
msg = e.message;
break;
}
}
if (written != content.length) {
if (msg.length == 0) {
msg = bundle.getString("writeFileUnknownError");
}
alertPromptService(bundle.getString("writeFileFailure"),
bundle.getFormattedString("writeFileFailed",
[fp.file.path, msg]));
}
}
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