зеркало из https://github.com/mozilla/gecko-dev.git
134 строки
3.7 KiB
JavaScript
134 строки
3.7 KiB
JavaScript
/* -*- Mode: js2; js2-basic-offset: 2; indent-tabs-mode: nil; -*- */
|
|
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
|
|
/* 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";
|
|
|
|
|
|
const Cu = Components.utils;
|
|
const Ci = Components.interfaces;
|
|
const Cc = Components.classes;
|
|
const Cr = Components.results;
|
|
|
|
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
|
Cu.import("resource://gre/modules/Services.jsm");
|
|
Cu.import("resource://gre/modules/identity/LogUtils.jsm");
|
|
|
|
XPCOMUtils.defineLazyModuleGetter(this,
|
|
"IDLog",
|
|
"resource://gre/modules/identity/IdentityStore.jsm");
|
|
|
|
XPCOMUtils.defineLazyServiceGetter(this,
|
|
"IdentityCryptoService",
|
|
"@mozilla.org/identity/crypto-service;1",
|
|
"nsIIdentityCryptoService");
|
|
|
|
const EXPORTED_SYMBOLS = ["jwcrypto"];
|
|
|
|
const ALGORITHMS = { RS256: "RS256", DS160: "DS160" };
|
|
|
|
function log(...aMessageArgs) {
|
|
Logger.log(["jwcrypto"].concat(aMessageArgs));
|
|
}
|
|
|
|
function generateKeyPair(aAlgorithmName, aCallback) {
|
|
log("Generate key pair; alg =", aAlgorithmName);
|
|
|
|
IdentityCryptoService.generateKeyPair(aAlgorithmName, function(rv, aKeyPair) {
|
|
if (!Components.isSuccessCode(rv)) {
|
|
return aCallback("key generation failed");
|
|
}
|
|
|
|
var publicKey;
|
|
|
|
switch (aKeyPair.keyType) {
|
|
case ALGORITHMS.RS256:
|
|
publicKey = {
|
|
algorithm: "RS",
|
|
exponent: aKeyPair.hexRSAPublicKeyExponent,
|
|
modulus: aKeyPair.hexRSAPublicKeyModulus
|
|
};
|
|
break;
|
|
|
|
case ALGORITHMS.DS160:
|
|
publicKey = {
|
|
algorithm: "DS",
|
|
y: aKeyPair.hexDSAPublicValue,
|
|
p: aKeyPair.hexDSAPrime,
|
|
q: aKeyPair.hexDSASubPrime,
|
|
g: aKeyPair.hexDSAGenerator
|
|
};
|
|
break;
|
|
|
|
default:
|
|
return aCallback("unknown key type");
|
|
}
|
|
|
|
let keyWrapper = {
|
|
serializedPublicKey: JSON.stringify(publicKey),
|
|
_kp: aKeyPair
|
|
};
|
|
|
|
return aCallback(null, keyWrapper);
|
|
});
|
|
}
|
|
|
|
function sign(aPayload, aKeypair, aCallback) {
|
|
aKeypair._kp.sign(aPayload, function(rv, signature) {
|
|
if (!Components.isSuccessCode(rv)) {
|
|
log("ERROR: signer.sign failed");
|
|
return aCallback("Sign failed");
|
|
}
|
|
log("signer.sign: success");
|
|
return aCallback(null, signature);
|
|
});
|
|
}
|
|
|
|
function jwcryptoClass()
|
|
{
|
|
}
|
|
|
|
jwcryptoClass.prototype = {
|
|
isCertValid: function(aCert, aCallback) {
|
|
// XXX check expiration, bug 769850
|
|
aCallback(true);
|
|
},
|
|
|
|
generateKeyPair: function(aAlgorithmName, aCallback) {
|
|
log("generating");
|
|
generateKeyPair(aAlgorithmName, aCallback);
|
|
},
|
|
|
|
generateAssertion: function(aCert, aKeyPair, aAudience, aCallback) {
|
|
// for now, we hack the algorithm name
|
|
// XXX bug 769851
|
|
var header = {"alg": "DS128"};
|
|
var headerBytes = IdentityCryptoService.base64UrlEncode(
|
|
JSON.stringify(header));
|
|
|
|
var payload = {
|
|
// expires in 2 minutes
|
|
// XXX clock skew needs exploration bug 769852
|
|
exp: Date.now() + (2 * 60 * 1000),
|
|
aud: aAudience
|
|
};
|
|
var payloadBytes = IdentityCryptoService.base64UrlEncode(
|
|
JSON.stringify(payload));
|
|
|
|
log("payload bytes", payload, payloadBytes);
|
|
sign(headerBytes + "." + payloadBytes, aKeyPair, function(err, signature) {
|
|
if (err)
|
|
return aCallback(err);
|
|
|
|
var signedAssertion = headerBytes + "." + payloadBytes + "." + signature;
|
|
return aCallback(null, aCert + "~" + signedAssertion);
|
|
});
|
|
}
|
|
|
|
};
|
|
|
|
var jwcrypto = new jwcryptoClass();
|
|
jwcrypto.ALGORITHMS = ALGORITHMS;
|