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Add a preliminary gRPC service for dealing with calling credentials

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This commit is contained in:
Jon Chambers
2023-08-01 16:34:36 -04:00
committed by Jon Chambers
parent 6a3ecb2881
commit 95b90e7c5a
3 changed files with 191 additions and 0 deletions
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44
service/src/main/java/org/whispersystems/textsecuregcm/grpc/CallingGrpcService.java Normal file
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/*
* Copyright 2023 Signal Messenger, LLC
* SPDX-License-Identifier: AGPL-3.0-only
*/
package org.whispersystems.textsecuregcm.grpc;
import org.signal.chat.calling.GetTurnCredentialsRequest;
import org.signal.chat.calling.GetTurnCredentialsResponse;
import org.signal.chat.calling.ReactorCallingGrpc;
import org.whispersystems.textsecuregcm.auth.TurnTokenGenerator;
import org.whispersystems.textsecuregcm.auth.grpc.AuthenticatedDevice;
import org.whispersystems.textsecuregcm.auth.grpc.AuthenticationUtil;
import org.whispersystems.textsecuregcm.limits.RateLimiters;
import reactor.core.publisher.Mono;
public class CallingGrpcService extends ReactorCallingGrpc.CallingImplBase {
private final TurnTokenGenerator turnTokenGenerator;
private final RateLimiters rateLimiters;
public CallingGrpcService(final TurnTokenGenerator turnTokenGenerator, final RateLimiters rateLimiters) {
this.turnTokenGenerator = turnTokenGenerator;
this.rateLimiters = rateLimiters;
}
@Override
protected Throwable onErrorMap(final Throwable throwable) {
return RateLimitUtil.mapRateLimitExceededException(throwable);
}
@Override
public Mono<GetTurnCredentialsResponse> getTurnCredentials(final GetTurnCredentialsRequest request) {
final AuthenticatedDevice authenticatedDevice = AuthenticationUtil.requireAuthenticatedDevice();
return rateLimiters.getTurnLimiter().validateReactive(authenticatedDevice.accountIdentifier())
.then(Mono.fromSupplier(() -> turnTokenGenerator.generate(authenticatedDevice.accountIdentifier())))
.map(turnToken -> GetTurnCredentialsResponse.newBuilder()
.setUsername(turnToken.username())
.setPassword(turnToken.password())
.addAllUrls(turnToken.urls())
.build());
}
}