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## rust-s3 [[docs](https://docs.rs/rust-s3/)]
Rust library for working with Amazon S3 or arbitrary S3 compatible APIs, fully compatible with **async/await** and `futures ^0.3`. All `async` features can be turned off and sync only implementations can be used.
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### Intro
Modest interface towards Amazon S3, as well as S3 compatible object storage APIs such as Backblaze B2, Wasabi, Yandex, Minio or Google Cloud Storage.
Supports: `put`, `get`, `list`, `delete`, operations on `tags` and `location`, well as `head`.
Additionally a dedicated `presign_get` `Bucket` method is available. This means you can upload to S3, and give the link to select people without having to worry about publicly accessible files on S3. This also means that you can give people
a `PUT` presigned URL, meaning they can upload to a specific key in S3 for the duration of the presigned URL.
#### Quick Start
Read and run examples from the `examples` folder, make sure you have valid credentials for the variant you're running.
```bash
# tokio, default
cargo run --example tokio
# async-std
cargo run --example async-std --no-default-features --features async-std-native-tls
# sync
cargo run --example sync --no-default-features --features sync-native-tls
# minio
cargo run --example minio
# r2
cargo run --example r2
# google cloud
cargo run --example google-cloud
```
#### Features
There are a lot of various features that enable a wide variety of use cases, refer to `s3/Cargo.toml` for an exhaustive list. Below is a table of various useful features as well as a short description for each.
+ `default` - `tokio` runtime and a `native-tls` implementation
+ `blocking` - generates `*_blocking` variant of all `Bucket` methods, otherwise only `async` versions are available
+ `fail-on-err` - `panic` on any error
+ `no-verify-ssl` - disable SSL verification for endpoints, useful for custom regions
+ `never-encode-slash` - never encode slashes in paths
##### With `default-features = false`
+ `with-async-std` - `async-std` runtime
+ `sync` - no async runtime, `attohttpc` is used for HTTP requests
+ `tags` - required for `Bucket::get_object_tagging`
All runtimes support either `native-tls` or `rustls-tls`, there are features for all combinations, refer to `s3/Cargo.toml` for a complete list.
#### Path or subdomain style URLs and headers
`Bucket` struct provides constructors for `path-style` paths, `subdomain` style is the default. `Bucket` exposes methods for configuring and accessing `path-style` configuration. `blocking` feature will generate a `*_blocking` variant of all of the methods listed below.
#### Buckets
| `create` | [async](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.create) |
| `delete` | [async](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.delete) |
#### Presign
| `POST` | [presign_put](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.presign_post) |
| `PUT` | [presign_put](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.presign_put) |
| `GET` | [presign_get](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.presign_get) |
| `DELETE` | [presign_delete](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.presign_delete) |
#### GET
There are a few different options for getting an object. `sync` and `async` methods are generic over `std::io::Write`,
while `tokio` methods are generic over `tokio::io::AsyncWriteExt`.
| `async/sync/async-blocking` | [get_object](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.get_object) |
| `async/sync/async-blocking` | [get_object_stream](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.get_object_stream) |
| `async/sync/async-blocking` | [get_object_to_writer](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.get_object_to_writer) |
#### PUT
Each `GET` method has a `PUT` companion `sync` and `async` methods are generic over `std::io::Read`. `async` `stream` methods are generic over `futures_io::AsyncReadExt`, while `tokio` methods are generic over `tokio::io::AsyncReadExt`.
| `async/sync/async-blocking` | [put_object](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.put_object) |
| `async/sync/async-blocking` | [put_object_with_content_type](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.put_object_with_content_type) |
| `async/sync/async-blocking` | [put_object_stream](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.put_object_stream) |
#### List
| `async/sync/async-blocking` | [list](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.list) |
#### DELETE
| `async/sync/async-blocking` | [delete_object](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.delete_object) |
#### Location
| `async/sync/async-blocking` | [location](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.location) |
#### Tagging
| `async/sync/async-blocking` | [put_object_tagging](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.put_object_tagging) |
| `async/sync/async-blocking` | [get_object_tagging](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.get_object_tagging) |
#### Head
| `async/sync/async-blocking` | [head_object](https://docs.rs/rust-s3/latest/s3/bucket/struct.Bucket.html#method.head_object) |
### Usage (in `Cargo.toml`)
```toml
[dependencies]
rust-s3 = "0.32"
```