handleHTTPError handles HTTP errors.

newTestMultiS3Manager constructs a MultiS3Manager directly from S3Instance slices, bypassing NewMultiS3Manager so tests can inject mock S3 clients.

withInstance extracts the instance from the request, looks it up in the manager, and delegates to a handler that receives the resolved S3 client.

GetAllInstances returns all available S3 instances

NewMultiS3Manager creates a new MultiS3Manager with the given configurations

GetInstance returns an S3 instance by its ID or Name

HandleCreateObject uploads a new object.

annotateVersionGroups sets VersionCount, GroupIndex and IsPrimaryVersion on each object so the template can collapse older versions under their latest

sortAndPaginateObjects sorts objects and slices out the requested page. When grouped is set (versioned listing), all versions of a key travel together

FormatFileSize converts a size in bytes to a human-readable string using the largest appropriate unit.

HandleBucketViewWithManager shows the details page of a bucket using MultiS3Manager.

HandleBucketsViewWithManager renders all buckets on an HTML page using MultiS3Manager.

HandleBulkDeleteObjectsWithManager deletes multiple objects using MultiS3Manager.

HandleBulkDownloadObjectsWithManager downloads multiple objects as a ZIP using MultiS3Manager.

HandleCheckPublicAccessWithManager checks if an object is publicly accessible using MultiS3Manager.

HandleCreateBucketWithManager creates a new bucket using MultiS3Manager.

HandleCreateObjectWithManager uploads a new object using MultiS3Manager.

HandleDeleteBucketWithManager deletes a bucket using MultiS3Manager.

HandleDeleteObjectWithManager deletes an object using MultiS3Manager.

HandleGenerateURLWithManager generates a presigned URL using MultiS3Manager.

HandleGetBucketPolicyWithManager retrieves the policy for a bucket using MultiS3Manager.

HandleGetObject downloads an object to the client.

HandleGetObjectMetadataWithManager retrieves object metadata using MultiS3Manager.

HandleGetObjectWithManager downloads an object to the client using MultiS3Manager.

HandleGetS3Instances returns all available S3 instances

HandlePutBucketPolicyWithManager sets the policy for a bucket using MultiS3Manager.

listObjectsForBucketView lists a bucket's objects, converting each minio.ObjectInfo into an objectWithIcon. If showVersions is set but the versioned l