72 lines
2.7 KiB
JavaScript
Executable file
72 lines
2.7 KiB
JavaScript
Executable file
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.verifyCertificate = exports.verifyPublicKey = void 0;
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/*
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Copyright 2023 The Sigstore Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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const core_1 = require("@sigstore/core");
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const error_1 = require("../error");
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const certificate_1 = require("./certificate");
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const sct_1 = require("./sct");
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const OID_FULCIO_ISSUER_V1 = '1.3.6.1.4.1.57264.1.1';
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const OID_FULCIO_ISSUER_V2 = '1.3.6.1.4.1.57264.1.8';
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function verifyPublicKey(hint, timestamps, trustMaterial) {
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const key = trustMaterial.publicKey(hint);
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timestamps.forEach((timestamp) => {
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if (!key.validFor(timestamp)) {
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throw new error_1.VerificationError({
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code: 'PUBLIC_KEY_ERROR',
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message: `Public key is not valid for timestamp: ${timestamp.toISOString()}`,
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});
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}
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});
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return { key: key.publicKey };
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}
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exports.verifyPublicKey = verifyPublicKey;
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function verifyCertificate(leaf, timestamps, trustMaterial) {
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// Check that leaf certificate chains to a trusted CA
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const path = (0, certificate_1.verifyCertificateChain)(leaf, trustMaterial.certificateAuthorities);
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// Check that ALL certificates are valid for ALL of the timestamps
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const validForDate = timestamps.every((timestamp) => path.every((cert) => cert.validForDate(timestamp)));
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if (!validForDate) {
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throw new error_1.VerificationError({
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code: 'CERTIFICATE_ERROR',
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message: 'certificate is not valid or expired at the specified date',
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});
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}
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return {
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scts: (0, sct_1.verifySCTs)(path[0], path[1], trustMaterial.ctlogs),
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signer: getSigner(path[0]),
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};
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}
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exports.verifyCertificate = verifyCertificate;
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function getSigner(cert) {
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let issuer;
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const issuerExtension = cert.extension(OID_FULCIO_ISSUER_V2);
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if (issuerExtension) {
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issuer = issuerExtension.valueObj.subs?.[0]?.value.toString('ascii');
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}
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else {
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issuer = cert.extension(OID_FULCIO_ISSUER_V1)?.value.toString('ascii');
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}
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const identity = {
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extensions: { issuer },
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subjectAlternativeName: cert.subjectAltName,
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};
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return {
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key: core_1.crypto.createPublicKey(cert.publicKey),
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identity,
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};
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}
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