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404 instead of 400 on unknown source cdn

This commit is contained in:
Ravi Khadiwala 2024-03-27 16:27:36 -05:00 committed by ravi-signal
parent 37b657cbbd
commit de9eaa98db
3 changed files with 27 additions and 5 deletions
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14
service/src/main/java/org/whispersystems/textsecuregcm/backup/BackupManager.java
View File

@ -8,6 +8,7 @@ package org.whispersystems.textsecuregcm.backup;
import com.google.common.annotations.VisibleForTesting;
import io.grpc.Status;
import io.micrometer.core.instrument.Metrics;
import java.io.IOException;
import java.net.URI;
import java.time.Clock;
import java.time.Duration;
@ -248,12 +249,17 @@ public class BackupManager {
.asRuntimeException();
}
final URI sourceUri;
try {
sourceUri = attachmentReadUri(sourceCdn, sourceKey);
} catch (IOException e) {
return CompletableFuture.failedFuture(e);
}
final MessageBackupUploadDescriptor dst = cdn3BackupCredentialGenerator.generateUpload(
cdnMediaPath(backupUser, destinationMediaId));
final int destinationLength = encryptionParameters.outputSize(sourceLength);
final URI sourceUri = attachmentReadUri(sourceCdn, sourceKey);
return this.backupsDb
// Write the ddb updates before actually updating backing storage
.trackMedia(backupUser, 1, destinationLength)
@ -282,10 +288,10 @@ public class BackupManager {
* @param key the attachment key
* @return A {@link URI} where the attachment can be retrieved
*/
private URI attachmentReadUri(final int cdn, final String key) {
private URI attachmentReadUri(final int cdn, final String key) throws IOException {
final String baseUri = attachmentCdnBaseUris.get(cdn);
if (baseUri == null) {
throw Status.INVALID_ARGUMENT.withDescription("Unknown cdn " + cdn).asRuntimeException();
throw new SourceObjectNotFoundException("Unknown attachment cdn " + cdn);
}
return URI.create("%s/%s".formatted(baseUri, key));
}

6
service/src/main/java/org/whispersystems/textsecuregcm/backup/SourceObjectNotFoundException.java
View File

@ -8,4 +8,10 @@ package org.whispersystems.textsecuregcm.backup;
import java.io.IOException;
public class SourceObjectNotFoundException extends IOException {
public SourceObjectNotFoundException() {
super();
}
public SourceObjectNotFoundException(String message) {
super(message);
}
}

12
service/src/test/java/org/whispersystems/textsecuregcm/backup/BackupManagerTest.java
View File

@ -39,7 +39,6 @@ import java.util.UUID;
import java.util.concurrent.CompletableFuture;
import javax.annotation.Nullable;
import org.apache.commons.lang3.StringUtils;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.RegisterExtension;
@ -308,6 +307,17 @@ public class BackupManagerTest {
assertThat(AttributeValues.getLong(backup, BackupsDb.ATTR_MEDIA_COUNT, -1L)).isEqualTo(0L);
}
@Test
public void unknownSourceCdn() {
final AuthenticatedBackupUser backupUser = backupUser(TestRandomUtil.nextBytes(16), BackupTier.MEDIA);
CompletableFutureTestUtil.assertFailsWithCause(SourceObjectNotFoundException.class,
backupManager.copyToBackup(
backupUser,
0, "abc", 100,
mock(MediaEncryptionParameters.class),
"def".getBytes(StandardCharsets.UTF_8)));
}
@Test
public void quotaEnforcementNoRecalculation() {
final AuthenticatedBackupUser backupUser = backupUser(TestRandomUtil.nextBytes(16), BackupTier.MEDIA);