- Remove mandatory ACTION_ADMIN at the router level
- Enforce granular permissions in bucket and namespace handlers
- Prioritize AccountID in ExtractPrincipalFromContext for ARN matching
- Distinguish between 404 (NoSuchBucket) and 500 (InternalError) in metadata lookups
- Clean up unused imports in s3api_tables.go
- Update generateTableARN to match AWS S3 Tables specification
- Move defer r.Body.Close() to follow standard Go patterns
- Remove unused generateNamespaceARN helper
- Fix InclusiveStartFrom logic to ensure exclusive start on continued pages
- Prevent duplicates in bucket, namespace, and table listings
- Fail fast on listing errors during bucket and namespace deletion
- Stop swallowing errors in handleListTables and return proper HTTP error responses
- Add multi-segment namespace support to ARN parsing
- Refactor permission checking to use map lookup
- Wrap lookup errors with ErrNotFound in filer operations
- Standardize splitPath to use path package
- Add permissions.go with permission definitions and checks
- Define permissions for all 21 S3 Tables operations
- Add permission checking helper functions
- Add getPrincipalFromRequest to extract caller identity
- Implement access control in CreateTableBucket, GetTableBucket, DeleteTableBucket
- Return 403 Forbidden for unauthorized operations
- Only bucket owner can perform operations (extensible for future policies)
- Add AuthError type for authorization failures
- Specifically check for 'not found' errors instead of catching all errors
- Return empty list only when directory doesn't exist
- Propagate other errors (network, permission) with context
- Prevents masking real errors
- Reduce handler.go from 370 to 195 lines (47% reduction)
- Remove duplicate ARN parsing and path helper functions
- Remove filer operation methods moved to filer_ops.go
- Remove metadata structure definitions moved to utils.go
- Keep handler focused on request routing and response formatting
- Maintains all functionality with improved code organization
- Create bucket_create.go for CreateTableBucket operation
- Create bucket_get_list_delete.go for Get, List, Delete operations
- Related operations grouped for better maintainability
- Each file has a single, clear responsibility
- Improves code clarity and makes it easier to test
- Move ARN parsing, path helpers, and metadata structures to utils.go
- Extract all extended attribute and filer operations to filer_ops.go
- Reduces code duplication and improves modularity
- Improves code organization and maintainability
