GH-2366 Add "reposilite.s3.use-s3-v4-signer" property to use the S3V4 signer

Author: kashike

reposilite-backend/src/main/kotlin/com/reposilite/storage/s3/S3StorageProviderFactory.kt

@@ -21,13 +21,17 @@ import com.reposilite.status.FailureFacade
 import com.reposilite.storage.StorageProviderFactory
 import software.amazon.awssdk.auth.credentials.AwsBasicCredentials
 import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider
+import software.amazon.awssdk.auth.signer.AwsS3V4Signer
+import software.amazon.awssdk.core.client.config.SdkAdvancedClientOption
 import software.amazon.awssdk.regions.Region
 import software.amazon.awssdk.services.s3.S3Client
 import software.amazon.awssdk.services.s3.S3Configuration
 import java.net.URI
 import java.nio.file.Path
 import java.time.Duration
 
+private val useS3V4Signer = System.getProperty("reposilite.s3.use-s3-v4-signer", "false") == "true"
+
 class S3StorageProviderFactory : StorageProviderFactory<S3StorageProvider, S3StorageProviderSettings> {
 
     override fun create(
@@ -76,6 +80,10 @@ class S3StorageProviderFactory : StorageProviderFactory<S3StorageProvider, S3Sto
                 cfg.backoffStrategy(ExponentialBackoffStrategy(Duration.ofSeconds(1), Duration.ofMinutes(1)))
                 cfg.numRetries(5)
             }
+
+            if (useS3V4Signer) {
+                it.putAdvancedOption(SdkAdvancedClientOption.SIGNER, AwsS3V4Signer.create())
+            }
         }
 
         return try {