feat: add logRedactedHeaders support for sanitizing sensitive headers in debug logging (#1939)

* feat: add logRedactedHeaders support for sanitizing sensitive headers in debug logging

* feat: add logRedactedHeaders support via LogRedactionConfig for sanitizing sensitive headers in debug logging.

* chore: Update smithy-kotlin-version to 1.7.1 in lib.versions.toml

Author: ashishdhingra

.changes/ce77d728-ae6c-422e-8e75-17ea1ac82c88.json

@@ -0,0 +1,9 @@
+{
+  "id": "ce77d728-ae6c-422e-8e75-17ea1ac82c88",
+  "type": "feature",
+  "description": "Add support for `logRedactedHeaders` client config property to sanitize sensitive header values in debug logging",
+  "issues": [
+    "#1460"
+  ],
+  "module": "aws-config"
+}

aws-runtime/aws-config/jvm/test/aws/sdk/kotlin/runtime/config/AbstractAwsSdkClientFactoryTest.kt

@@ -122,9 +122,11 @@ private interface TestClient : SdkClient {
     class Config private constructor(builder: Builder) :
         SdkClientConfig,
         AwsSdkClientConfig,
+        LogRedactionConfig,
         RetryStrategyClientConfig by builder.buildRetryStrategyClientConfig() {
         override val clientName: String = builder.clientName
         override val logMode: LogMode = builder.logMode ?: LogMode.Default
+        override val logRedactedHeaders: Set<String> = builder.logRedactedHeaders
         override val region: String? = builder.region
         override var regionProvider: RegionProvider = builder.regionProvider ?: DefaultRegionProviderChain()
         override var useFips: Boolean = builder.useFips ?: false
@@ -134,10 +136,12 @@ private interface TestClient : SdkClient {
         // new: inherits builder equivalents for Config base classes
         class Builder :
             AwsSdkClientConfig.Builder,
+            LogRedactionConfig.Builder,
             SdkClientConfig.Builder<Config>,
             RetryStrategyClientConfig.Builder by RetryStrategyClientConfigImpl.BuilderImpl() {
             override var clientName: String = "Test"
             override var logMode: LogMode? = LogMode.Default
+            override var logRedactedHeaders: MutableSet<String> = mutableSetOf()
             override var region: String? = null
             override var regionProvider: RegionProvider? = null
             override var useFips: Boolean? = null

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ atomicfu-version = "0.33.0"
 binary-compatibility-validator-version = "0.18.1"
 
 # smithy-kotlin
-smithy-kotlin-version = "1.7.0"
+smithy-kotlin-version = "1.7.1"
 
 # codegen
 smithy-version = "1.71.0"