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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";
// This file is a helper script that generates the list of certificates that
// make up the preloaded pinset for Google properties.
//
// How to run this file:
// 1. [obtain firefox source code]
// 2. [build/obtain firefox binaries]
// 3. run `[path to]/run-mozilla.sh [path to]/xpcshell dumpGoogleRoots.js'
// 4. [paste the output into the appropriate section in
// security/manager/tools/PreloadedHPKPins.json]
var Cc = Components.classes;
var Ci = Components.interfaces;
function downloadRoots() {
let req = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
.createInstance(Ci.nsIXMLHttpRequest);
req.open("GET", "https://pki.google.com/roots.pem", false);
try {
req.send();
}
catch (e) {
throw new Error("ERROR: problem downloading Google Root PEMs: " + e);
}
if (req.status != 200) {
throw new Error("ERROR: problem downloading Google Root PEMs. Status: " +
req.status);
}
let pem = req.responseText;
let roots = [];
let currentPEM = "";
let readingRoot = false;
let certDB = Cc["@mozilla.org/security/x509certdb;1"]
.getService(Ci.nsIX509CertDB);
for (let line of pem.split(/[\r\n]/)) {
if (line == "-----END CERTIFICATE-----") {
if (currentPEM) {
roots.push(certDB.constructX509FromBase64(currentPEM));
}
currentPEM = "";
readingRoot = false;
continue;
}
if (readingRoot) {
currentPEM += line;
}
if (line == "-----BEGIN CERTIFICATE-----") {
readingRoot = true;
}
}
return roots;
}
function makeFormattedNickname(cert) {
if (cert.nickname.startsWith("Builtin Object Token:")) {
return `"${cert.nickname.substring("Builtin Object Token:".length)}"`;
}
// Otherwise, this isn't a built-in and we have to comment it out.
if (cert.commonName) {
return `// "${cert.commonName}"`;
}
if (cert.organizationalUnit) {
return `// "${cert.organizationalUnit}"`;
}
if (cert.organization) {
return `// "${cert.organization}"`;
}
throw new Error(`couldn't make nickname for ${cert.subjectName}`);
}
var roots = downloadRoots();
var rootNicknames = [];
for (var root of roots) {
rootNicknames.push(makeFormattedNickname(root));
}
rootNicknames.sort(function(rootA, rootB) {
let rootALowercase = rootA.toLowerCase().replace(/(^[^"]*")|"/g, "");
let rootBLowercase = rootB.toLowerCase().replace(/(^[^"]*")|"/g, "");
if (rootALowercase < rootBLowercase) {
return -1;
}
if (rootALowercase > rootBLowercase) {
return 1;
}
return 0;
});
dump(" {\n");
dump(" \"name\": \"google_root_pems\",\n");
dump(" \"sha256_hashes\": [\n");
var first = true;
for (var nickname of rootNicknames) {
if (!first) {
dump(",\n");
}
first = false;
dump(" " + nickname);
}
dump("\n");
dump(" ]\n");
dump(" }\n");
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