run gofumpt cleanup across code-base (#14015)

internal/crypto/error.go

@@ -86,8 +86,6 @@ var (
 	errInvalidInternalSealAlgorithm = Errorf("The internal seal algorithm is invalid and not supported")
 )
 
-var (
-	// errOutOfEntropy indicates that the a source of randomness (PRNG) wasn't able
-	// to produce enough random data. This is fatal error and should cause a panic.
-	errOutOfEntropy = Errorf("Unable to read enough randomness from the system")
-)
+// errOutOfEntropy indicates that the a source of randomness (PRNG) wasn't able
+// to produce enough random data. This is fatal error and should cause a panic.
+var errOutOfEntropy = Errorf("Unable to read enough randomness from the system")

internal/crypto/header.go

@@ -36,11 +36,9 @@ func RemoveSensitiveHeaders(h http.Header) {
 	h.Del(xhttp.AmzMetaUnencryptedContentMD5)
 }
 
-var (
-	// SSECopy represents AWS SSE-C for copy requests. It provides
-	// functionality to handle SSE-C copy requests.
-	SSECopy = ssecCopy{}
-)
+// SSECopy represents AWS SSE-C for copy requests. It provides
+// functionality to handle SSE-C copy requests.
+var SSECopy = ssecCopy{}
 
 type ssecCopy struct{}
 

internal/crypto/key.go

@@ -111,9 +111,7 @@ func (key ObjectKey) Seal(extKey []byte, iv [32]byte, domain, bucket, object str
 // may be cryptographically bound to the object's path the same bucket/object as during sealing
 // must be provided. On success the ObjectKey contains the decrypted sealed key.
 func (key *ObjectKey) Unseal(extKey []byte, sealedKey SealedKey, domain, bucket, object string) error {
-	var (
-		unsealConfig sio.Config
-	)
+	var unsealConfig sio.Config
 	switch sealedKey.Algorithm {
 	default:
 		return Errorf("The sealing algorithm '%s' is not supported", sealedKey.Algorithm)

internal/crypto/metadata_test.go

@@ -306,7 +306,6 @@ var s3CreateMetadataTests = []struct {
 	SealedDataKey []byte
 	SealedKey     SealedKey
 }{
-
 	{KeyID: "", SealedDataKey: nil, SealedKey: SealedKey{Algorithm: SealAlgorithm}},
 	{KeyID: "my-minio-key", SealedDataKey: make([]byte, 48), SealedKey: SealedKey{Algorithm: SealAlgorithm}},
 	{KeyID: "cafebabe", SealedDataKey: make([]byte, 48), SealedKey: SealedKey{Algorithm: SealAlgorithm}},

internal/crypto/sse-kms.go

@@ -75,7 +75,7 @@ func (ssekms) ParseHTTP(h http.Header) (string, kms.Context, error) {
 			return "", nil, err
 		}
 
-		var json = jsoniter.ConfigCompatibleWithStandardLibrary
+		json := jsoniter.ConfigCompatibleWithStandardLibrary
 		if err := json.Unmarshal(b, &ctx); err != nil {
 			return "", nil, err
 		}
@@ -209,7 +209,7 @@ func (ssekms) ParseMetadata(metadata map[string]string) (keyID string, kmsKey []
 		if err != nil {
 			return keyID, kmsKey, sealedKey, ctx, Errorf("The internal KMS context is not base64-encoded")
 		}
-		var json = jsoniter.ConfigCompatibleWithStandardLibrary
+		json := jsoniter.ConfigCompatibleWithStandardLibrary
 		if err = json.Unmarshal(b, &ctx); err != nil {
 			return keyID, kmsKey, sealedKey, ctx, Errorf("The internal sealed KMS context is invalid %w", err)
 		}

internal/crypto/sse.go

@@ -50,7 +50,6 @@ type Type interface {
 	fmt.Stringer
 
 	IsRequested(http.Header) bool
-
 	IsEncrypted(map[string]string) bool
 }