Proper skew logic

smithy-lang · Oct 6, 2023 · 3fd3f9f · 3fd3f9f
1 parent 52c5d3b
commit 3fd3f9f
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/runtime/auth/http-auth-aws/common/src/aws/smithy/kotlin/runtime/http/auth/AwsHttpSigner.kt b/runtime/auth/http-auth-aws/common/src/aws/smithy/kotlin/runtime/http/auth/AwsHttpSigner.kt
@@ -127,8 +127,9 @@ public class AwsHttpSigner(private val config: Config) : HttpSigner {
             algorithm = config.algorithm
 
             // apply clock skew if applicable
-            signingDate = (attributes.getOrNull(AwsSigningAttributes.SigningDate) ?: Instant.now()) +
-                (attributes.getOrNull(HttpOperationContext.ClockSkew) ?: Duration.ZERO)
+            signingDate = attributes.getOrNull(AwsSigningAttributes.SigningDate)
+                ?: (Instant.now() + (attributes.getOrNull(HttpOperationContext.ClockSkew) ?: Duration.ZERO))
+
 
             signatureType = config.signatureType
             omitSessionToken = config.omitSessionToken