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Topic
Uploads, downloads, metadata, scanning, storage lifecycle, secure access, and file processing.
Practice items tagged with File Storage Workflows.
Designs a file workflow with metadata, durable storage, validation, access control, scanning, and safe downloads.
Designs a safe admin import flow with upload staging, validation, preview, confirmation, idempotency, and rollback strategy.
Validates size and signature, writes under a generated storage key, and keeps untrusted files outside the public web root.
Explains upload UX, API boundaries, validation, progress, storage, scanning, failure handling, and safe download behavior.
Authorizes metadata before opening storage and streams the file with safe headers and range support.