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| 1 | +/* |
| 2 | + * Copyright 2024 gRPC authors. |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + * |
| 16 | + */ |
| 17 | + |
| 18 | +import * as assert from 'assert'; |
| 19 | +import { createBackends } from './backend'; |
| 20 | +import { FakeEdsCluster, FakeRouteGroup, FakeServerRoute } from './framework'; |
| 21 | +import { ControlPlaneServer } from './xds-server'; |
| 22 | +import { XdsTestClient } from './client'; |
| 23 | +import { XdsServerCredentials } from '../src'; |
| 24 | +import { credentials, ServerCredentials } from '@grpc/grpc-js'; |
| 25 | +import { readFileSync } from 'fs'; |
| 26 | +import * as path from 'path'; |
| 27 | +import { Listener } from '../src/generated/envoy/config/listener/v3/Listener'; |
| 28 | +import { DownstreamTlsContext } from '../src/generated/envoy/extensions/transport_sockets/tls/v3/DownstreamTlsContext'; |
| 29 | +import { AnyExtension } from '@grpc/proto-loader'; |
| 30 | +import { DOWNSTREAM_TLS_CONTEXT_TYPE_URL } from '../src/resources'; |
| 31 | + |
| 32 | +const ca = readFileSync(path.join(__dirname, 'fixtures', 'ca.pem')); |
| 33 | +const key = readFileSync(path.join(__dirname, 'fixtures', 'server1.key')); |
| 34 | +const cert = readFileSync(path.join(__dirname, 'fixtures', 'server1.pem')); |
| 35 | + |
| 36 | +describe('Server xDS Credentials', () => { |
| 37 | + let xdsServer: ControlPlaneServer; |
| 38 | + let client: XdsTestClient; |
| 39 | + beforeEach(done => { |
| 40 | + xdsServer = new ControlPlaneServer(); |
| 41 | + xdsServer.startServer(error => { |
| 42 | + done(error); |
| 43 | + }); |
| 44 | + }); |
| 45 | + afterEach(() => { |
| 46 | + client?.close(); |
| 47 | + xdsServer?.shutdownServer(); |
| 48 | + }); |
| 49 | + it('Should use fallback credentials when certificate providers are not configured', async () => { |
| 50 | + const [backend] = await createBackends(1, true, new XdsServerCredentials(ServerCredentials.createInsecure())); |
| 51 | + const serverRoute = new FakeServerRoute(backend.getPort(), 'serverRoute'); |
| 52 | + xdsServer.setRdsResource(serverRoute.getRouteConfiguration()); |
| 53 | + xdsServer.setLdsResource(serverRoute.getListener()); |
| 54 | + xdsServer.addResponseListener((typeUrl, responseState) => { |
| 55 | + if (responseState.state === 'NACKED') { |
| 56 | + client?.stopCalls(); |
| 57 | + assert.fail(`Client NACKED ${typeUrl} resource with message ${responseState.errorMessage}`); |
| 58 | + } |
| 59 | + }); |
| 60 | + const cluster = new FakeEdsCluster('cluster1', 'endpoint1', [{backends: [backend], locality:{region: 'region1'}}]); |
| 61 | + const routeGroup = new FakeRouteGroup('listener1', 'route1', [{cluster: cluster}]); |
| 62 | + await routeGroup.startAllBackends(xdsServer); |
| 63 | + xdsServer.setEdsResource(cluster.getEndpointConfig()); |
| 64 | + xdsServer.setCdsResource(cluster.getClusterConfig()); |
| 65 | + xdsServer.setRdsResource(routeGroup.getRouteConfiguration()); |
| 66 | + xdsServer.setLdsResource(routeGroup.getListener()); |
| 67 | + client = XdsTestClient.createFromServer('listener1', xdsServer, credentials.createInsecure()); |
| 68 | + const error = await client.sendOneCallAsync(); |
| 69 | + assert.strictEqual(error, null); |
| 70 | + }); |
| 71 | + it('Should use the identity certificate when configured', async () => { |
| 72 | + const [backend] = await createBackends(1, true, new XdsServerCredentials(ServerCredentials.createInsecure())); |
| 73 | + const downstreamTlsContext: DownstreamTlsContext & AnyExtension = { |
| 74 | + '@type': DOWNSTREAM_TLS_CONTEXT_TYPE_URL, |
| 75 | + common_tls_context: { |
| 76 | + tls_certificate_provider_instance: { |
| 77 | + instance_name: 'test_certificates' |
| 78 | + } |
| 79 | + } |
| 80 | + } |
| 81 | + const baseServerListener: Listener = { |
| 82 | + default_filter_chain: { |
| 83 | + filter_chain_match: { |
| 84 | + source_type: 'SAME_IP_OR_LOOPBACK' |
| 85 | + }, |
| 86 | + transport_socket: { |
| 87 | + name: 'envoy.transport_sockets.tls', |
| 88 | + typed_config: downstreamTlsContext |
| 89 | + } |
| 90 | + } |
| 91 | + } |
| 92 | + const serverRoute = new FakeServerRoute(backend.getPort(), 'serverRoute', baseServerListener); |
| 93 | + xdsServer.setRdsResource(serverRoute.getRouteConfiguration()); |
| 94 | + xdsServer.setLdsResource(serverRoute.getListener()); |
| 95 | + xdsServer.addResponseListener((typeUrl, responseState) => { |
| 96 | + if (responseState.state === 'NACKED') { |
| 97 | + client?.stopCalls(); |
| 98 | + assert.fail(`Client NACKED ${typeUrl} resource with message ${responseState.errorMessage}`); |
| 99 | + } |
| 100 | + }); |
| 101 | + const cluster = new FakeEdsCluster('cluster1', 'endpoint1', [{backends: [backend], locality:{region: 'region1'}}]); |
| 102 | + const routeGroup = new FakeRouteGroup('listener1', 'route1', [{cluster: cluster}]); |
| 103 | + await routeGroup.startAllBackends(xdsServer); |
| 104 | + xdsServer.setEdsResource(cluster.getEndpointConfig()); |
| 105 | + xdsServer.setCdsResource(cluster.getClusterConfig()); |
| 106 | + xdsServer.setRdsResource(routeGroup.getRouteConfiguration()); |
| 107 | + xdsServer.setLdsResource(routeGroup.getListener()); |
| 108 | + client = XdsTestClient.createFromServer('listener1', xdsServer, credentials.createSsl(ca)); |
| 109 | + const error = await client.sendOneCallAsync(); |
| 110 | + assert.strictEqual(error, null); |
| 111 | + }); |
| 112 | +}); |
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