chore(storage): strips quotes around eTag (#105)

Author: brennanMKE

AmplifyPlugins/Storage/AWSS3StoragePlugin/Support/Internal/URLSessionTask+eTag.swift

@@ -9,7 +9,8 @@ import Foundation
 
 extension URLSessionTask {
     var eTag: String? {
-        guard let httpResponse = response as? HTTPURLResponse else {
+        guard let httpResponse = response as? HTTPURLResponse,
+              httpResponse.statusCode == 200 else {
             return nil
         }
 
@@ -18,10 +19,12 @@ extension URLSessionTask {
             .filter({ $0.uppercased() == "ETAG" })
 
         guard let key = keys.first,
-              let eTag = httpResponse.allHeaderFields[key] as? String else {
+              let quotedValue = httpResponse.allHeaderFields[key] as? String else {
                   return nil
               }
 
+        let eTag = quotedValue.replacingOccurrences(of: "\"", with: "")
+
         return eTag
     }
 }

CHANGELOG.md

@@ -6,7 +6,7 @@
 
 - **Core**: Amplify now directly depends on AWS SDK for Swift.
 - **Auth**: Redesigned AWSCognitoAuthPlugin implementation using a state machine architecture. Internal dependency on AWSMobileClient is removed and the plugin directly depends on AWS SDK for Swift. The escape hatch now returns the underlying Swift SDK for Cognito UserPool and Cognito Identity Pool.
-- **Storage**: Removed the dependency on TransferUtility and improved the internal logic of AWSS3StoragePlugin implementation.
+- **Storage**: Removed the dependency on AWSTransferUtility and improved the internal logic of AWSS3StoragePlugin implementation.
 
 ## 1.21.0 (2022-02-23)