Crate s4_server 

S4 server crate — S4Service (圧縮 hook 付き S3 trait 実装) と関連 helper を提供。

Re-exports

pub use service::S4Service;

pub use s4_codec as codec;

pub use s4_config as config;

Modules

access_log

S3-style access-log emission (v0.4 #20).

acme

ACME (Let’s Encrypt) auto-cert support (v0.3 #11).

audit_log

Tamper-evident audit-log HMAC chain (v0.5 #31).

blob

s3s::dto::StreamingBlob と bytes::Bytes の相互変換ヘルパ。

kms

KMS backend abstraction for SSE-KMS envelope encryption (v0.5 #28).

metrics

Prometheus metrics 統合。

object_lock

Object Lock (WORM) enforcement layer (v0.5 #30).

policy

Bucket policy / IAM enforcement at the gateway (v0.2 #7).

rate_limit

Per-(principal, bucket) token-bucket rate limiting (v0.4 #19).

routing

/health と /ready の HTTP routing layer。

service

s3s::S3 実装 — s3s_aws::Proxy への delegation を default にしつつ、 put_object / get_object 経路で s4_codec::CodecRegistry を呼ぶ。

sigv4a

SigV4a (AWS asymmetric ECDSA-P256) signature verification (v0.5 #33).

sse

Server-side encryption (SSE-S4) — AES-256-GCM (v0.4 #21, v0.5 #29, v0.5 #27, v0.5 #28).

streaming

Streaming compression / decompression helpers。

tls

TLS termination helpers.

versioning

v0.5 #34: First-class versioning state machine.