Components

Crate Structure

hafiz/
├── crates/
│   ├── hafiz-core/       # Core types
│   ├── hafiz-s3-api/     # S3 API
│   ├── hafiz-storage/    # Storage backends
│   ├── hafiz-metadata/   # Database layer
│   ├── hafiz-auth/       # Authentication
│   ├── hafiz-crypto/     # Encryption
│   ├── hafiz-cluster/    # Clustering
│   ├── hafiz-admin/      # Admin API
│   └── hafiz-cli/        # CLI tool

hafiz-core

Foundation crate with shared types:

• Bucket, Object, ObjectMetadata
• HafizError - Error types
• Config - Configuration

hafiz-s3-api

HTTP layer using Axum:

• 76+ S3 API endpoints
• XML parsing
• Middleware

hafiz-storage

Storage abstraction:

• FilesystemStorage
• S3ProxyStorage

hafiz-metadata

Database layer using SQLx:

• SqliteRepository
• PostgresRepository

hafiz-auth

Authentication:

• AWS Signature V4
• LDAP integration
• Policy evaluation

hafiz-crypto

Encryption:

• AES-256-GCM
• Key derivation
• Hashing