Remove unused exception

service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java

@@ -124,7 +124,6 @@ import org.whispersystems.textsecuregcm.mappers.IOExceptionMapper;
 import org.whispersystems.textsecuregcm.mappers.ImpossiblePhoneNumberExceptionMapper;
 import org.whispersystems.textsecuregcm.mappers.InvalidWebsocketAddressExceptionMapper;
 import org.whispersystems.textsecuregcm.mappers.NonNormalizedPhoneNumberExceptionMapper;
-import org.whispersystems.textsecuregcm.mappers.RateLimitChallengeExceptionMapper;
 import org.whispersystems.textsecuregcm.mappers.RateLimitExceededExceptionMapper;
 import org.whispersystems.textsecuregcm.mappers.ServerRejectedExceptionMapper;
 import org.whispersystems.textsecuregcm.metrics.ApplicationShutdownMonitor;
@@ -717,13 +716,6 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
     registerCorsFilter(environment);
     registerExceptionMappers(environment, webSocketEnvironment, provisioningEnvironment);
 
-    RateLimitChallengeExceptionMapper rateLimitChallengeExceptionMapper =
-        new RateLimitChallengeExceptionMapper(rateLimitChallengeOptionManager);
-
-    environment.jersey().register(rateLimitChallengeExceptionMapper);
-    webSocketEnvironment.jersey().register(rateLimitChallengeExceptionMapper);
-    provisioningEnvironment.jersey().register(rateLimitChallengeExceptionMapper);
-
     environment.jersey().property(ServerProperties.UNWRAP_COMPLETION_STAGE_IN_WRITER_ENABLE, Boolean.TRUE);
     webSocketEnvironment.jersey().property(ServerProperties.UNWRAP_COMPLETION_STAGE_IN_WRITER_ENABLE, Boolean.TRUE);
     provisioningEnvironment.jersey().property(ServerProperties.UNWRAP_COMPLETION_STAGE_IN_WRITER_ENABLE, Boolean.TRUE);

service/src/main/java/org/whispersystems/textsecuregcm/controllers/MessageController.java

@@ -72,7 +72,6 @@ import org.whispersystems.textsecuregcm.entities.OutgoingMessageEntityList;
 import org.whispersystems.textsecuregcm.entities.SendMessageResponse;
 import org.whispersystems.textsecuregcm.entities.SendMultiRecipientMessageResponse;
 import org.whispersystems.textsecuregcm.entities.StaleDevices;
-import org.whispersystems.textsecuregcm.limits.RateLimitChallengeException;
 import org.whispersystems.textsecuregcm.limits.RateLimiters;
 import org.whispersystems.textsecuregcm.metrics.MessageMetrics;
 import org.whispersystems.textsecuregcm.metrics.UserAgentTagUtil;
@@ -163,7 +162,7 @@ public class MessageController {
       @HeaderParam("X-Forwarded-For") String forwardedFor,
       @PathParam("destination") UUID destinationUuid,
       @NotNull @Valid IncomingMessageList messages)
-      throws RateLimitExceededException, RateLimitChallengeException {
+      throws RateLimitExceededException {
 
     if (source.isEmpty() && accessKey.isEmpty()) {
       throw new WebApplicationException(Response.Status.UNAUTHORIZED);

service/src/main/java/org/whispersystems/textsecuregcm/limits/RateLimitChallengeException.java

@@ -1,29 +0,0 @@
-/*
- * Copyright 2021 Signal Messenger, LLC
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-package org.whispersystems.textsecuregcm.limits;
-
-import java.time.Duration;
-import org.whispersystems.textsecuregcm.storage.Account;
-
-public class RateLimitChallengeException extends Exception {
-
-  private final Account account;
-  private final Duration retryAfter;
-
-  public RateLimitChallengeException(final Account account, final Duration retryAfter) {
-    this.account = account;
-    this.retryAfter = retryAfter;
-  }
-
-  public Account getAccount() {
-    return account;
-  }
-
-  public Duration getRetryAfter() {
-    return retryAfter;
-  }
-
-}

service/src/main/java/org/whispersystems/textsecuregcm/mappers/RateLimitChallengeExceptionMapper.java

@@ -1,32 +0,0 @@
-/*
- * Copyright 2021 Signal Messenger, LLC
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-package org.whispersystems.textsecuregcm.mappers;
-
-import java.util.UUID;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.ext.ExceptionMapper;
-import org.whispersystems.textsecuregcm.entities.RateLimitChallenge;
-import org.whispersystems.textsecuregcm.limits.RateLimitChallengeException;
-import org.whispersystems.textsecuregcm.limits.RateLimitChallengeOptionManager;
-
-public class RateLimitChallengeExceptionMapper implements ExceptionMapper<RateLimitChallengeException> {
-
-  private final RateLimitChallengeOptionManager rateLimitChallengeOptionManager;
-
-  public RateLimitChallengeExceptionMapper(final RateLimitChallengeOptionManager rateLimitChallengeOptionManager) {
-    this.rateLimitChallengeOptionManager = rateLimitChallengeOptionManager;
-  }
-
-  @Override
-  public Response toResponse(final RateLimitChallengeException exception) {
-    return Response.status(428)
-        .entity(new RateLimitChallenge(UUID.randomUUID().toString(),
-            rateLimitChallengeOptionManager.getChallengeOptions(exception.getAccount())))
-        .header("Retry-After", exception.getRetryAfter().toSeconds())
-        .build();
-  }
-
-}