bws-rs：Rust 编写的 S3 协议网关框架，支持灵活后端接入

docker真的爽爆了2025-07-20 13:08

bws-rs：Rust 编写的 S3 协议网关框架，支持灵活后端接入

bws-rs介绍

bws-rs 是一个用 Rust 编写的轻量级 S3 协议服务端网关框架，旨在帮助开发者快速构建兼容 AWS S3 协议 的对象存储服务。该框架支持 S3 V4 签名校验，集成 Axum 作为 Web 框架，所有协议校验逻辑通过实现对应的 trait 并注册为 axum::Extension 实现非侵入式扩展，具有良好的可维护性与可插拔性。

bws-rs 可作为前端网关挂载在你已有的文件系统、对象存储系统甚至缓存引擎之前，为其提供标准化的 S3 协议兼容层，支持与 AWS CLI、MinIO Client 等主流 S3 SDK 的交互。

✅ 已支持的功能

📁 S3 协议支持列表

  • PutObject（上传对象）

  • GetObject（获取对象）

  • HeadObject（获取对象元信息）

  • DeleteObject（删除对象）

  • CreateBucket（创建桶）

  • HeadBucket（桶存在性检查）

  • ListBucket（列举所有桶）

  • DeleteBucket（删除桶）

  • GetBucketLocation（获取桶区域）

  • MultipartUpload（分片上传）

  • Range Get（部分下载）

  • Get/Put Object ACL（访问控制列表）

  • Get/Put Object Metadata（对象元数据）

  • Put Object Tagging（对象标签）

✅ MinIO SDK 兼容性验证

使用 MinIO Go SDK 进行功能验证，支持以下操作：

  • MakeBucket

  • DeleteBucket

  • ListBucket

  • ListObject

  • PutObject

  • DeleteObject

  • BucketExists

在项目中使用bws-rs: cargo add bws-rs

实现bws_rs::service::s3下对应的trait以支持对应的s3 功能

  • HeadHandler: 对应 s3 head object ,head bucket
  • GetObjectHandler: 对应s3 GetObject
  • PutObjectHandler: 对应s3 PutObject
  • DeleteObjectHandler: 对应s3 DeleteObject
  • ListObjectHandler: 对应s3 ListObject
  • CreateBucketHandler: 对应的s3 create bucket
  • ListBucketHandler: 对应s3 list bucket
  • DeleteBucketHandler: 对应s3 delete bucket
  • GetBucketLocationHandler: 对应s3 get bucket location
  • MultiUploadObjectHandler: 对应s3 MultiUpload系列操作

aceeskey 仓库需要实现bws_rs::authorization::AccesskeyStore 来提供对应accesskey的secretkey

使用示范

rust 复制代码 
    use std::sync::Arc;

    use tokio::io::AsyncReadExt;

    #[derive(Default)]
    struct Target {}
    use crate::service::s3::*;
    impl CreateBucketHandler for Target {
        fn handle<'a>(
            &'a self,
            _opt: &'a CreateBucketOption,
            _bucket: &'a str,
        ) -> std::pin::Pin<Box<dyn 'a + Send + std::future::Future<Output = Result<(), String>>>>
        {
            Box::pin(async move {
                log::info!("create bucket {_bucket}");
                Ok(())
            })
        }
    }
    impl ListBucketHandler for Target {
        fn handle<'a>(
            &'a self,
            _opt: &'a ListBucketsOption,
        ) -> std::pin::Pin<
            Box<dyn 'a + Send + std::future::Future<Output = Result<Vec<Bucket>, String>>>,
        > {
            Box::pin(async move {
                let datetime = chrono::Utc::now().to_rfc3339();
                Ok(vec![Bucket {
                    name: "test1".to_string(),
                    creation_date: datetime,
                    bucket_region: "us-east-1".to_string(),
                }])
            })
        }
    }
    impl HeadHandler for Target {
        fn lookup<'a>(
            &self,
            _bucket: &str,
            _object: &str,
        ) -> std::pin::Pin<
            Box<
                dyn 'a
                    + Send
                    + Sync
                    + std::future::Future<Output = Result<Option<HeadObjectResult>, Error>>,
            >,
        > {
            Box::pin(async move {
                let mut ret: HeadObjectResult = Default::default();
                ret.checksum_sha256 = Some(
                    "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824".to_string(),
                );
                ret.content_length = Some(5);
                ret.etag = Some("5d41402abc4b2a76b9719d911017c592".to_string());
                ret.last_modified = Some(
                    chrono::Utc::now()
                        .format("%a, %d %b %Y %H:%M:%S GMT")
                        .to_string(),
                );
                Ok(Some(ret))
            })
        }
    }
    impl PutObjectHandler for Target {
        fn handle<'a>(
            &'a self,
            opt: &PutObjectOption,
            bucket: &'a str,
            object: &'a str,
            body: &'a mut (dyn tokio::io::AsyncRead + Unpin + Send),
        ) -> std::pin::Pin<Box<dyn 'a + Send + std::future::Future<Output = Result<(), String>>>>
        {
            Box::pin(async move {
                log::info!("put bucket {bucket} object {object}");
                let mut buff = vec![];
                match body.read_to_end(&mut buff).await {
                    Ok(size) => {
                        log::info!("get {}", unsafe {
                            std::str::from_utf8_unchecked(&buff[..size])
                        });
                    }
                    Err(err) => {
                        log::error!("read error {err}");
                    }
                }
                Ok(())
            })
        }
    }
    impl DeleteBucketHandler for Target {
        fn handle<'a>(
            &'a self,
            _opt: &'a DeleteBucketOption,
            _bucket: &'a str,
        ) -> std::pin::Pin<Box<dyn 'a + Send + std::future::Future<Output = Result<(), String>>>>
        {
            Box::pin(async move {
                log::info!("delete bucket {_bucket}");
                Ok(())
            })
        }
    }
    impl DeleteObjectHandler for Target {
        fn handle<'a>(
            &'a self,
            _opt: &'a DeleteObjectOption,
            _object: &'a str,
        ) -> std::pin::Pin<Box<dyn 'a + Send + std::future::Future<Output = Result<(), String>>>>
        {
            Box::pin(async move {
                log::info!("delete object {_object}");
                Ok(())
            })
        }
    }
    impl crate::authorization::AccesskeyStore for Target {
        fn get<'a>(
            &'a self,
            _accesskey: &'a str,
        ) -> std::pin::Pin<
            Box<
                dyn 'a + Send + Sync + std::future::Future<Output = Result<Option<String>, String>>,
            >,
        > {
            Box::pin(async move { Ok(Some(format!("{_accesskey}12345"))) })
        }
    }
    impl crate::service::s3::GetObjectHandler for Target {
        fn handle<'a>(
            &'a self,
            bucket: &str,
            object: &str,
            opt: crate::service::s3::GetObjectOption,
            mut out: tokio::sync::Mutex<
                std::pin::Pin<
                    std::boxed::Box<(dyn crate::utils::io::PollWrite + Send + Unpin + 'a)>,
                >,
            >,
        ) -> std::pin::Pin<Box<dyn 'a + Send + std::future::Future<Output = Result<(), String>>>>
        {
            Box::pin(async move {
                let mut l = out.lock().await;
                let _ = l.poll_write(b"hello").await.map_err(|err| {
                    log::error!("write error {err}");
                });
                Ok(())
            })
        }
    }
    impl crate::service::s3::GetBucketLocationHandler for Target {}
    impl MultiUploadObjectHandler for Target {
        fn handle_create_session<'a>(
            &'a self,
            bucket: &'a str,
            key: &'a str,
        ) -> std::pin::Pin<Box<dyn 'a + Send + std::future::Future<Output = Result<String, ()>>>>
        {
            Box::pin(async move { Ok("ffffff".to_string()) })
        }

        fn handle_upload_part<'a>(
            &'a self,
            bucket: &'a str,
            key: &'a str,
            upload_id: &'a str,
            part_number: u32,
            body: &'a mut (dyn tokio::io::AsyncRead + Unpin + Send),
        ) -> std::pin::Pin<Box<dyn 'a + Send + std::future::Future<Output = Result<String, ()>>>>
        {
            Box::pin(async move {
                let mut buff = Vec::new();
                let size = body
                    .read_to_end(&mut buff)
                    .await
                    .map_err(|err| log::error!("read body error {err}"))?;
                println!(
                    "upload part upload_id={upload_id} part_number={part_number} bucket={bucket} key={key}\n{}",
                    unsafe { std::str::from_boxed_utf8_unchecked((&buff[..size]).into()) }
                );
                Ok("5d41402abc4b2a76b9719d911017c592".to_string())
            })
        }

        fn handle_complete<'a>(
            &'a self,
            bucket: &'a str,
            key: &'a str,
            upload_id: &'a str,
            //(etag,part number)
            data: &'a [(&'a str, u32)],
            opts: MultiUploadObjectCompleteOption,
        ) -> std::pin::Pin<Box<dyn 'a + Send + std::future::Future<Output = Result<String, ()>>>>
        {
            Box::pin(async move { Ok("69a329523ce1ec88bf63061863d9cb14".to_string()) })
        }

        fn handle_abort<'a>(
            &'a self,
            bucket: &'a str,
            key: &'a str,
            upload_id: &'a str,
        ) -> std::pin::Pin<Box<dyn 'a + Send + std::future::Future<Output = Result<(), ()>>>>
        {
            todo!()
        }
    }
    #[tokio::test]
    async fn test_server() -> Result<(), Box<dyn std::error::Error>> {
        let _ = tokio::fs::create_dir_all(".sys_bws").await;
        env_logger::builder()
            .filter_level(log::LevelFilter::Info)
            .init();
        let target = Arc::new(Target::default());
        let r = axum::Router::new()
            .layer(axum::middleware::from_fn(super::handle_fn))
            .layer(axum::middleware::from_fn(
                super::handle_authorization_middleware,
            ))
            .layer(axum::Extension(
                target.clone() as Arc<dyn PutObjectHandler + Send + Sync>
            ))
            .layer(axum::Extension(
                target.clone() as Arc<dyn HeadHandler + Send + Sync>
            ))
            .layer(axum::Extension(
                target.clone() as Arc<dyn ListBucketHandler + Send + Sync>
            ))
            .layer(axum::Extension(
                target.clone() as Arc<dyn CreateBucketHandler + Send + Sync>
            ))
            .layer(axum::Extension(
                target.clone() as Arc<dyn DeleteBucketHandler + Send + Sync>
            ))
            .layer(axum::Extension(
                target.clone() as Arc<dyn DeleteObjectHandler + Send + Sync>
            ))
            .layer(axum::Extension(
                target.clone() as Arc<dyn crate::authorization::AccesskeyStore + Send + Sync>
            ))
            .layer(axum::Extension(
                target.clone() as Arc<dyn GetObjectHandler + Send + Sync>
            ))
            .layer(axum::Extension(
                target.clone() as Arc<dyn GetBucketLocationHandler + Send + Sync>
            )).layer(axum::Extension(
                target.clone() as Arc<dyn MultiUploadObjectHandler + Send + Sync>
            ));
        let l = tokio::net::TcpListener::bind("0.0.0.0:9900").await?;
        axum::serve(l, r).await?;
        Ok(())
    }

golang 客户端

go 复制代码 
package tests

import (
	"context"
	"io"
	"os"
	"testing"

	"github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/credentials"
)

func TestCreateBucket(t *testing.T) {
	creds, err := minio.New("127.0.0.1:9900", &minio.Options{
		Secure: false, Creds: credentials.NewStaticV4("root", "root12345", ""),
		Region: "us-east-1",
	})
	if err != nil {
		t.Fatal(err)
	}
	_, err = creds.BucketExists(context.Background(), "test")
	if err != nil {
		t.Fatal(err)
	}
	err = creds.MakeBucket(context.Background(), "itest", minio.MakeBucketOptions{})
	if err != nil {
		t.Fatal(err)
	}
	bkts, err := creds.ListBuckets(context.Background())
	if err != nil {
		t.Fatal(err)
	}
	t.Log(bkts)
	err = creds.RemoveBucket(context.Background(), "test")
	if err != nil {
		t.Fatal(err)
	}
	err = creds.RemoveObject(context.Background(), "test", "test", minio.RemoveObjectOptions{})
	if err != nil {
		t.Fatal(err)
	}
	err = os.WriteFile("test.txt", []byte("hello"), 0o644)
	if err != nil {
		t.Fatal(err)
	}
	fd, err := os.OpenFile("test.txt", os.O_RDONLY, 0)
	if err != nil {
		t.Fatal(err)
	}
	defer fd.Close()
	_, err = creds.PutObject(context.Background(), "test", "hello/world", fd, 5, minio.PutObjectOptions{})
	if err != nil {
		t.Fatal(err)
	}
	resp, err := creds.GetObject(context.Background(), "test", "test", minio.GetObjectOptions{})
	if err != nil {
		t.Fatal(err)
	}
	content, err := io.ReadAll(resp)
	if err != nil {
		t.Fatal(err)
	}
	if string(content) != "hello" {
		t.Fatal("expect hello got [" + string(content) + "]")
	}
}

s3 multipart 验证

go 复制代码 
package tests

import (
	"context"
	"crypto/tls"
	"fmt"
	"log"
	"net/http"
	"os"
	"testing"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/config"
	"github.com/aws/aws-sdk-go-v2/credentials"
	"github.com/aws/aws-sdk-go-v2/service/s3"
	"github.com/aws/aws-sdk-go-v2/service/s3/types"
)

func TestS3Sdk(t *testing.T) {
	var (
		host      = "127.0.0.1"
		port      = 9900
		accesskey = "root"
		secretkey = "root12345"
		region    = "us-east-1"
	)

	customResolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) {
		if service == s3.ServiceID {
			return aws.Endpoint{
				URL:           fmt.Sprintf("http://%s:%d", host, port),
				SigningRegion: "us-east-1",
			}, nil
		}
		return aws.Endpoint{}, &aws.EndpointNotFoundError{}
	})

	// 加载 AWS 配置，指定自定义端点解析器
	cfg, err := config.LoadDefaultConfig(context.TODO(),
		config.WithEndpointResolverWithOptions(customResolver),
		config.WithHTTPClient(&http.Client{
			Transport: &http.Transport{
				TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
			},
		}),
		config.WithRegion(region),
		config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(accesskey, secretkey, "")),
	)
	if err != nil {
		log.Fatalf("无法加载 AWS 配置: %v", err)
	}
	// 创建 S3 客户端
	cli := s3.NewFromConfig(cfg, func(o *s3.Options) {
		o.UsePathStyle = true
	})
	var (
		bucket = "itest"
		key    = "test.txt"
	)
	fd, err := os.OpenFile("./test.txt", os.O_RDONLY, 0)
	if err != nil {
		t.Fatal(err)
	}
	defer fd.Close()
	out, err := cli.CreateMultipartUpload(context.Background(), &s3.CreateMultipartUploadInput{
		Bucket: &bucket,
		Key:    &key,
	})
	if err != nil {
		t.Fatal(err)
	}
	var upNo int32 = 1

	resp, err := cli.UploadPart(context.Background(), &s3.UploadPartInput{
		Bucket: &bucket, Key: &key, PartNumber: &upNo, UploadId: out.UploadId, Body: fd,
	})
	if err != nil {
		t.Fatal(err)
	}
	_, err = cli.CompleteMultipartUpload(context.Background(), &s3.CompleteMultipartUploadInput{
		Bucket: &bucket, Key: &key, UploadId: out.UploadId, MultipartUpload: &types.CompletedMultipartUpload{
			Parts: []types.CompletedPart{
				{
					ETag: resp.ETag, PartNumber: &upNo,
				},
			},
		},
	})
	if err != nil {
		t.Fatal(err)
	}
}
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