Use a non-strict invalid bucket name check in Get and Delete object (#8073)

cmd/object-api-getobjectinfo_test.go

@@ -64,7 +64,6 @@ func testGetObjectInfo(obj ObjectLayer, instanceType string, t TestErrHandler) {
 	}{
 		// Test cases with invalid bucket names ( Test number 1-4 ).
 		{".test", "", ObjectInfo{}, BucketNameInvalid{Bucket: ".test"}, false},
-		{"Test", "", ObjectInfo{}, BucketNameInvalid{Bucket: "Test"}, false},
 		{"---", "", ObjectInfo{}, BucketNameInvalid{Bucket: "---"}, false},
 		{"ad", "", ObjectInfo{}, BucketNameInvalid{Bucket: "ad"}, false},
 		// Test cases with valid but non-existing bucket names (Test number 5-6).

cmd/object-api-input-checks.go

@@ -19,6 +19,7 @@ package cmd
 import (
 	"context"
 
+	"github.com/minio/minio-go/v6/pkg/s3utils"
 	"github.com/minio/minio/cmd/logger"
 	"github.com/skyrings/skyring-common/tools/uuid"
 )
@@ -36,7 +37,7 @@ func checkDelObjArgs(ctx context.Context, bucket, object string) error {
 // Checks bucket and object name validity, returns nil if both are valid.
 func checkBucketAndObjectNames(ctx context.Context, bucket, object string) error {
 	// Verify if bucket is valid.
-	if !IsValidBucketName(bucket) {
+	if !isMinioMetaBucketName(bucket) && s3utils.CheckValidBucketName(bucket) != nil {
 		logger.LogIf(ctx, BucketNameInvalid{Bucket: bucket})
 		return BucketNameInvalid{Bucket: bucket}
 	}