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"use strict";
/*
* Copyright 2019 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.ChannelCredentials = void 0;
exports.createCertificateProviderChannelCredentials = createCertificateProviderChannelCredentials;
const tls_1 = require("tls");
const call_credentials_1 = require("./call-credentials");
const tls_helpers_1 = require("./tls-helpers");
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function verifyIsBufferOrNull(obj, friendlyName) {
if (obj && !(obj instanceof Buffer)) {
throw new TypeError(`${friendlyName}, if provided, must be a Buffer.`);
}
}
/**
* A class that contains credentials for communicating over a channel, as well
* as a set of per-call credentials, which are applied to every method call made
* over a channel initialized with an instance of this class.
*/
class ChannelCredentials {
constructor(callCredentials) {
this.callCredentials = callCredentials || call_credentials_1.CallCredentials.createEmpty();
}
/**
* Gets the set of per-call credentials associated with this instance.
*/
_getCallCredentials() {
return this.callCredentials;
}
_ref() {
// Do nothing by default
}
_unref() {
// Do nothing by default
}
/**
* Return a new ChannelCredentials instance with a given set of credentials.
* The resulting instance can be used to construct a Channel that communicates
* over TLS.
* @param rootCerts The root certificate data.
* @param privateKey The client certificate private key, if available.
* @param certChain The client certificate key chain, if available.
* @param verifyOptions Additional options to modify certificate verification
*/
static createSsl(rootCerts, privateKey, certChain, verifyOptions) {
var _a;
verifyIsBufferOrNull(rootCerts, 'Root certificate');
verifyIsBufferOrNull(privateKey, 'Private key');
verifyIsBufferOrNull(certChain, 'Certificate chain');
if (privateKey && !certChain) {
throw new Error('Private key must be given with accompanying certificate chain');
}
if (!privateKey && certChain) {
throw new Error('Certificate chain must be given with accompanying private key');
}
const secureContext = (0, tls_1.createSecureContext)({
ca: (_a = rootCerts !== null && rootCerts !== void 0 ? rootCerts : (0, tls_helpers_1.getDefaultRootsData)()) !== null && _a !== void 0 ? _a : undefined,
key: privateKey !== null && privateKey !== void 0 ? privateKey : undefined,
cert: certChain !== null && certChain !== void 0 ? certChain : undefined,
ciphers: tls_helpers_1.CIPHER_SUITES,
});
return new SecureChannelCredentialsImpl(secureContext, verifyOptions !== null && verifyOptions !== void 0 ? verifyOptions : {});
}
/**
* Return a new ChannelCredentials instance with credentials created using
* the provided secureContext. The resulting instances can be used to
* construct a Channel that communicates over TLS. gRPC will not override
* anything in the provided secureContext, so the environment variables
* GRPC_SSL_CIPHER_SUITES and GRPC_DEFAULT_SSL_ROOTS_FILE_PATH will
* not be applied.
* @param secureContext The return value of tls.createSecureContext()
* @param verifyOptions Additional options to modify certificate verification
*/
static createFromSecureContext(secureContext, verifyOptions) {
return new SecureChannelCredentialsImpl(secureContext, verifyOptions !== null && verifyOptions !== void 0 ? verifyOptions : {});
}
/**
* Return a new ChannelCredentials instance with no credentials.
*/
static createInsecure() {
return new InsecureChannelCredentialsImpl();
}
}
exports.ChannelCredentials = ChannelCredentials;
class InsecureChannelCredentialsImpl extends ChannelCredentials {
constructor() {
super();
}
compose(callCredentials) {
throw new Error('Cannot compose insecure credentials');
}
_getConnectionOptions() {
return {};
}
_isSecure() {
return false;
}
_equals(other) {
return other instanceof InsecureChannelCredentialsImpl;
}
}
class SecureChannelCredentialsImpl extends ChannelCredentials {
constructor(secureContext, verifyOptions) {
super();
this.secureContext = secureContext;
this.verifyOptions = verifyOptions;
this.connectionOptions = {
secureContext,
};
// Node asserts that this option is a function, so we cannot pass undefined
if (verifyOptions === null || verifyOptions === void 0 ? void 0 : verifyOptions.checkServerIdentity) {
this.connectionOptions.checkServerIdentity =
verifyOptions.checkServerIdentity;
}
if ((verifyOptions === null || verifyOptions === void 0 ? void 0 : verifyOptions.rejectUnauthorized) !== undefined) {
this.connectionOptions.rejectUnauthorized =
verifyOptions.rejectUnauthorized;
}
}
compose(callCredentials) {
const combinedCallCredentials = this.callCredentials.compose(callCredentials);
return new ComposedChannelCredentialsImpl(this, combinedCallCredentials);
}
_getConnectionOptions() {
// Copy to prevent callers from mutating this.connectionOptions
return Object.assign({}, this.connectionOptions);
}
_isSecure() {
return true;
}
_equals(other) {
if (this === other) {
return true;
}
if (other instanceof SecureChannelCredentialsImpl) {
return (this.secureContext === other.secureContext &&
this.verifyOptions.checkServerIdentity ===
other.verifyOptions.checkServerIdentity);
}
else {
return false;
}
}
}
class CertificateProviderChannelCredentialsImpl extends ChannelCredentials {
constructor(caCertificateProvider, identityCertificateProvider, verifyOptions) {
super();
this.caCertificateProvider = caCertificateProvider;
this.identityCertificateProvider = identityCertificateProvider;
this.verifyOptions = verifyOptions;
this.refcount = 0;
this.latestCaUpdate = null;
this.latestIdentityUpdate = null;
this.caCertificateUpdateListener = this.handleCaCertificateUpdate.bind(this);
this.identityCertificateUpdateListener = this.handleIdentityCertitificateUpdate.bind(this);
}
compose(callCredentials) {
const combinedCallCredentials = this.callCredentials.compose(callCredentials);
return new ComposedChannelCredentialsImpl(this, combinedCallCredentials);
}
_getConnectionOptions() {
var _a, _b, _c;
if (this.latestCaUpdate === null) {
return null;
}
if (this.identityCertificateProvider !== null && this.latestIdentityUpdate === null) {
return null;
}
const secureContext = (0, tls_1.createSecureContext)({
ca: this.latestCaUpdate.caCertificate,
key: (_a = this.latestIdentityUpdate) === null || _a === void 0 ? void 0 : _a.privateKey,
cert: (_b = this.latestIdentityUpdate) === null || _b === void 0 ? void 0 : _b.certificate,
ciphers: tls_helpers_1.CIPHER_SUITES
});
const options = {
secureContext: secureContext
};
if ((_c = this.verifyOptions) === null || _c === void 0 ? void 0 : _c.checkServerIdentity) {
options.checkServerIdentity = this.verifyOptions.checkServerIdentity;
}
return options;
}
_isSecure() {
return true;
}
_equals(other) {
var _a, _b;
if (this === other) {
return true;
}
if (other instanceof CertificateProviderChannelCredentialsImpl) {
return this.caCertificateProvider === other.caCertificateProvider &&
this.identityCertificateProvider === other.identityCertificateProvider &&
((_a = this.verifyOptions) === null || _a === void 0 ? void 0 : _a.checkServerIdentity) === ((_b = other.verifyOptions) === null || _b === void 0 ? void 0 : _b.checkServerIdentity);
}
else {
return false;
}
}
_ref() {
var _a;
if (this.refcount === 0) {
this.caCertificateProvider.addCaCertificateListener(this.caCertificateUpdateListener);
(_a = this.identityCertificateProvider) === null || _a === void 0 ? void 0 : _a.addIdentityCertificateListener(this.identityCertificateUpdateListener);
}
this.refcount += 1;
}
_unref() {
var _a;
this.refcount -= 1;
if (this.refcount === 0) {
this.caCertificateProvider.removeCaCertificateListener(this.caCertificateUpdateListener);
(_a = this.identityCertificateProvider) === null || _a === void 0 ? void 0 : _a.removeIdentityCertificateListener(this.identityCertificateUpdateListener);
}
}
handleCaCertificateUpdate(update) {
this.latestCaUpdate = update;
}
handleIdentityCertitificateUpdate(update) {
this.latestIdentityUpdate = update;
}
}
function createCertificateProviderChannelCredentials(caCertificateProvider, identityCertificateProvider, verifyOptions) {
return new CertificateProviderChannelCredentialsImpl(caCertificateProvider, identityCertificateProvider, verifyOptions !== null && verifyOptions !== void 0 ? verifyOptions : null);
}
class ComposedChannelCredentialsImpl extends ChannelCredentials {
constructor(channelCredentials, callCreds) {
super(callCreds);
this.channelCredentials = channelCredentials;
if (!channelCredentials._isSecure()) {
throw new Error('Cannot compose insecure credentials');
}
}
compose(callCredentials) {
const combinedCallCredentials = this.callCredentials.compose(callCredentials);
return new ComposedChannelCredentialsImpl(this.channelCredentials, combinedCallCredentials);
}
_getConnectionOptions() {
return this.channelCredentials._getConnectionOptions();
}
_isSecure() {
return true;
}
_equals(other) {
if (this === other) {
return true;
}
if (other instanceof ComposedChannelCredentialsImpl) {
return (this.channelCredentials._equals(other.channelCredentials) &&
this.callCredentials._equals(other.callCredentials));
}
else {
return false;
}
}
}
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