minna-caos

Content-Addressed Object Storage server intended for usage with Minna.

Features

• resumable uploads (via tus)

• automatic media type (“MIME type”) detection

• multiple storage backends:

  • local filesystem
  • S3-compatible
  • FTP
  • Google Drive
  • OneDrive

• direct download from the underlying storage backend (if supported)

• named storage buckets

• object operations:

  • upload
  • set target buckets
  • delete

• outgoing webhooks

Upload steps

• client to app: request to upload something, returns {upload_id}

  • app to caos: POST /uploads returns {upload_ìd}

• client to caos: PATCH /uploads/{upload_id} with upload data, optionally using tus

• app to caos: GET /staging-area/{upload_id}, returns metadata (including {hash}) as soon as the upload is complete

• app to caos: POST /staging-area/{upload_id}/accept with target bucket IDs

Roadmap

• basic uploading
• upload expiration
• media type detection
• graceful shutdown
• metadata endpoints
• accepting uploads
• add code comments
• more storage backends