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smartstorage/readme.hints.md
Juergen Kunz bba0855218
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BREAKING CHANGE(core): rebrand from smarts3 to smartstorage
- Package renamed from @push.rocks/smarts3 to @push.rocks/smartstorage
- Class: Smarts3 → SmartStorage, Interface: ISmarts3Config → ISmartStorageConfig
- Method: getS3Descriptor → getStorageDescriptor
- Rust binary: rusts3 → ruststorage
- Rust types: S3Error→StorageError, S3Action→StorageAction, S3Config→SmartStorageConfig, S3Server→StorageServer
- On-disk file extension: ._S3_object → ._storage_object
- Default credentials: S3RVER → STORAGE
- All internal S3 branding removed; AWS S3 protocol compatibility fully maintained
2026-03-14 15:20:30 +00:00

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# Project Hints for smartstorage
## Current State (v6.0.0)
- **Rust-powered S3-compatible storage server** via `@push.rocks/smartrust` IPC bridge
- High-performance: streaming I/O, zero-copy, backpressure, range seek
- TypeScript is thin IPC wrapper; all HTTP/storage/routing in Rust binary `ruststorage`
- Full S3 compatibility: PUT, GET, HEAD, DELETE for objects and buckets
- Multipart upload support (streaming, no OOM)
- **Real AWS SigV4 authentication** (cryptographic signature verification)
- **Bucket policies** (AWS/MinIO-compatible JSON policies, public access support)
- CORS support
- ListBuckets, ListObjects (v1/v2), CopyObject
## Architecture
### Rust Binary (`rust/src/`)
- `main.rs` - Clap CLI, management mode entry
- `config.rs` - Serde config structs matching TS interfaces (includes `region`)
- `management.rs` - IPC loop (newline-delimited JSON over stdin/stdout)
- `server.rs` - hyper 1.x HTTP server, routing, CORS, auth+policy pipeline, all S3-compatible handlers
- `storage.rs` - FileStore: filesystem-backed storage, multipart manager, `.policies/` dir
- `xml_response.rs` - S3-compatible XML response builders
- `error.rs` - StorageError codes with HTTP status mapping
- `auth.rs` - AWS SigV4 signature verification (HMAC-SHA256, clock skew, constant-time compare)
- `action.rs` - StorageAction enum + request-to-IAM-action resolver + RequestContext
- `policy.rs` - BucketPolicy model, evaluation engine (Deny > Allow > NoOpinion), PolicyStore (RwLock cache + disk)
### TypeScript Bridge (`ts/`)
- `ts/index.ts` - SmartStorage class with RustBridge<TRustStorageCommands>
- `ts/plugins.ts` - path, smartpath, RustBridge, tsclass
- `ts/paths.ts` - packageDir, bucketsDir defaults
### IPC Commands
| Command | Params | Action |
|---------|--------|--------|
| `start` | `{ config: ISmartStorageConfig }` | Init storage + HTTP server |
| `stop` | `{}` | Graceful shutdown |
| `createBucket` | `{ name: string }` | Create bucket directory |
### Storage Layout
- Objects: `{root}/{bucket}/{key}._storage_object`
- Metadata: `{root}/{bucket}/{key}._storage_object.metadata.json`
- MD5: `{root}/{bucket}/{key}._storage_object.md5`
- Multipart: `{root}/.multipart/{upload_id}/part-{N}`
- Policies: `{root}/.policies/{bucket}.policy.json`
## Build
- `pnpm build` runs `tsrust && tsbuild --web --allowimplicitany`
- `tsrust` compiles Rust to `dist_rust/ruststorage`
- Targets: linux_amd64, linux_arm64 (configured in npmextra.json)
## Dependencies
- `@push.rocks/smartrust` - RustBridge IPC bridge
- `@push.rocks/smartpath` - Path utilities
- `@tsclass/tsclass` - IS3Descriptor type
- `@git.zone/tsrust` (devDep) - Rust cross-compilation
## Testing
- `test/test.aws-sdk.node.ts` - AWS SDK v3 compatibility (10 tests, auth disabled, port 3337)
- `test/test.auth.node.ts` - Auth + bucket policy integration (20 tests, auth enabled, port 3344)
- `test/test.policy-crud.node.ts` - Policy API CRUD + validation edge cases (17 tests, port 3345)
- `test/test.policy-eval.node.ts` - Policy evaluation: principals, actions, resources, deny-vs-allow (22 tests, port 3346)
- `test/test.policy-actions.node.ts` - Per-action policy enforcement (15 tests, port 3347)
- `test/test.ts` - SmartBucket integration (3 tests)
- Run: `pnpm test` or `tstest test/test.aws-sdk.node.ts --verbose`