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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Custom binding for the platformKeys API.
var binding = require('binding').Binding.create('platformKeys');
var SubtleCrypto = require('platformKeys.SubtleCrypto').SubtleCrypto;
var getPublicKey = require('platformKeys.getPublicKey').getPublicKey;
var internalAPI = require('platformKeys.internalAPI');
var keyModule = require('platformKeys.Key');
var Key = keyModule.Key;
var KeyType = keyModule.KeyType;
var KeyUsage = keyModule.KeyUsage;
function createPublicKey(publicKeySpki, algorithm) {
return new Key(KeyType.public, publicKeySpki, algorithm, [KeyUsage.verify],
true /* extractable */);
}
function createPrivateKey(publicKeySpki, algorithm) {
return new Key(KeyType.private, publicKeySpki, algorithm, [KeyUsage.sign],
false /* not extractable */);
}
binding.registerCustomHook(function(api) {
var apiFunctions = api.apiFunctions;
var subtleCrypto = new SubtleCrypto('' /* tokenId */);
apiFunctions.setHandleRequest(
'selectClientCertificates', function(details, callback) {
internalAPI.selectClientCertificates(details, function(matches) {
if (chrome.runtime.lastError) {
callback([]);
return;
}
callback($Array.map(matches, function(match) {
// internalAPI.selectClientCertificates returns publicExponent as
// ArrayBuffer, but it should be a Uint8Array.
if (match.keyAlgorithm.publicExponent) {
match.keyAlgorithm.publicExponent =
new Uint8Array(match.keyAlgorithm.publicExponent);
}
return match;
}));
});
});
apiFunctions.setHandleRequest(
'subtleCrypto', function() { return subtleCrypto });
apiFunctions.setHandleRequest(
'getKeyPair', function(cert, params, callback) {
getPublicKey(cert, params, function(publicKey, algorithm) {
if (chrome.runtime.lastError) {
callback();
return;
}
callback(createPublicKey(publicKey, algorithm),
createPrivateKey(publicKey, algorithm));
});
});
});
exports.binding = binding.generate();
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