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SampleServletModule.java
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SampleServletModule.java
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/* Copyright 2020 Google LLC
*
* 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
*
* https://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.
*/
package com.example.provider;
import com.example.provider.auth.grpcservice.GrpcServiceModule;
import com.example.provider.utils.SampleProviderUtils;
import com.google.common.base.Strings;
import com.google.fleetengine.auth.AuthTokenMinter;
import com.google.fleetengine.auth.token.factory.FleetEngineTokenFactory;
import com.google.fleetengine.auth.token.factory.FleetEngineTokenFactorySettings;
import com.google.fleetengine.auth.token.factory.signer.ImpersonatedSigner;
import com.google.fleetengine.auth.token.factory.signer.SignerInitializationException;
import com.google.inject.Provides;
import com.google.inject.Singleton;
import com.google.inject.servlet.ServletModule;
/** Module for configuring routes for this sample provider. */
public final class SampleServletModule extends ServletModule {
@Override
protected void configureServlets() {
super.configureServlets();
install(new GrpcServiceModule());
serve("/vehicle/*").with(VehicleServlet.class);
serve("/vehicles/*").with(VehiclesServlet.class);
serve("/trip").with(TripServlet.class);
serve("/trip/*").with(TripServlet.class);
serve("/token/*").with(TokenServlet.class);
}
@Provides
@Singleton
AuthTokenMinter provideMinter() throws SignerInitializationException {
AuthTokenMinter.Builder builder =
AuthTokenMinter.builder()
.setTokenFactory(
new FleetEngineTokenFactory(
FleetEngineTokenFactorySettings.builder()
.setAudience(SampleProviderUtils.providerProperties.fleetEngineAudience())
.build()));
if (!Strings.isNullOrEmpty(SampleProviderUtils.providerProperties.serverTokenAccountName())) {
builder.setServerSigner(
ImpersonatedSigner.create(
SampleProviderUtils.providerProperties.serverTokenAccountName()));
}
if (!Strings.isNullOrEmpty(SampleProviderUtils.providerProperties.consumerTokenAccountName())) {
builder.setConsumerSigner(
ImpersonatedSigner.create(
SampleProviderUtils.providerProperties.consumerTokenAccountName()));
}
if (!Strings.isNullOrEmpty(SampleProviderUtils.providerProperties.driverTokenAccountName())) {
builder.setDriverSigner(
ImpersonatedSigner.create(
SampleProviderUtils.providerProperties.driverTokenAccountName()));
}
return builder.build();
}
}