forked from Deuxfleurs/garage
196 lines
5.4 KiB
Rust
196 lines
5.4 KiB
Rust
use std::collections::HashMap;
|
|
use std::net::SocketAddr;
|
|
use std::sync::Arc;
|
|
|
|
use futures::future::Future;
|
|
use hyper::server::conn::AddrStream;
|
|
use hyper::service::{make_service_fn, service_fn};
|
|
use hyper::{Body, Method, Request, Response, Server};
|
|
|
|
use garage_util::error::Error;
|
|
|
|
use garage_core::garage::Garage;
|
|
|
|
use crate::http_util::*;
|
|
use crate::signature::check_signature;
|
|
|
|
use crate::s3_get::*;
|
|
use crate::s3_list::*;
|
|
use crate::s3_put::*;
|
|
|
|
pub async fn run_api_server(
|
|
garage: Arc<Garage>,
|
|
shutdown_signal: impl Future<Output = ()>,
|
|
) -> Result<(), Error> {
|
|
let addr = &garage.config.s3_api.api_bind_addr;
|
|
|
|
let service = make_service_fn(|conn: &AddrStream| {
|
|
let garage = garage.clone();
|
|
let client_addr = conn.remote_addr();
|
|
async move {
|
|
Ok::<_, Error>(service_fn(move |req: Request<Body>| {
|
|
let garage = garage.clone();
|
|
handler(garage, req, client_addr)
|
|
}))
|
|
}
|
|
});
|
|
|
|
let server = Server::bind(&addr).serve(service);
|
|
|
|
let graceful = server.with_graceful_shutdown(shutdown_signal);
|
|
info!("API server listening on http://{}", addr);
|
|
|
|
graceful.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn handler(
|
|
garage: Arc<Garage>,
|
|
req: Request<Body>,
|
|
addr: SocketAddr,
|
|
) -> Result<Response<BodyType>, Error> {
|
|
info!("{} {} {}", addr, req.method(), req.uri());
|
|
debug!("{:?}", req);
|
|
match handler_inner(garage, req).await {
|
|
Ok(x) => {
|
|
debug!("{} {:?}", x.status(), x.headers());
|
|
Ok(x)
|
|
}
|
|
Err(e) => {
|
|
let body: BodyType = Box::new(BytesBody::from(format!("{}\n", e)));
|
|
let mut http_error = Response::new(body);
|
|
*http_error.status_mut() = e.http_status_code();
|
|
warn!("Response: error {}, {}", e.http_status_code(), e);
|
|
Ok(http_error)
|
|
}
|
|
}
|
|
}
|
|
|
|
async fn handler_inner(
|
|
garage: Arc<Garage>,
|
|
req: Request<Body>,
|
|
) -> Result<Response<BodyType>, Error> {
|
|
let path = req.uri().path().to_string();
|
|
let path = path.trim_start_matches('/');
|
|
let (bucket, key) = match path.find('/') {
|
|
Some(i) => {
|
|
let (bucket, key) = path.split_at(i);
|
|
let key = key.trim_start_matches('/');
|
|
(bucket, Some(key))
|
|
}
|
|
None => (path, None),
|
|
};
|
|
if bucket.len() == 0 {
|
|
return Err(Error::Forbidden(format!(
|
|
"Operations on buckets not allowed"
|
|
)));
|
|
}
|
|
|
|
let api_key = check_signature(&garage, &req).await?;
|
|
let allowed = match req.method() {
|
|
&Method::HEAD | &Method::GET => api_key.allow_read(&bucket),
|
|
_ => api_key.allow_write(&bucket),
|
|
};
|
|
if !allowed {
|
|
return Err(Error::Forbidden(format!(
|
|
"Operation is not allowed for this key."
|
|
)));
|
|
}
|
|
|
|
let mut params = HashMap::new();
|
|
if let Some(query) = req.uri().query() {
|
|
let query_pairs = url::form_urlencoded::parse(query.as_bytes());
|
|
for (key, val) in query_pairs {
|
|
params.insert(key.to_lowercase(), val.to_string());
|
|
}
|
|
}
|
|
|
|
if let Some(key) = key {
|
|
match req.method() {
|
|
&Method::HEAD => {
|
|
// HeadObject query
|
|
Ok(handle_head(garage, &bucket, &key).await?)
|
|
}
|
|
&Method::GET => {
|
|
// GetObject query
|
|
Ok(handle_get(garage, &bucket, &key).await?)
|
|
}
|
|
&Method::PUT => {
|
|
if ["partnumber", "uploadid"]
|
|
.iter()
|
|
.all(|x| params.contains_key(&x.to_string()))
|
|
{
|
|
let part_number = params.get("partnumber").unwrap();
|
|
let upload_id = params.get("uploadid").unwrap();
|
|
Ok(handle_put_part(garage, req, &bucket, &key, part_number, upload_id).await?)
|
|
} else {
|
|
// PutObject query
|
|
Ok(handle_put(garage, req, &bucket, &key).await?)
|
|
}
|
|
}
|
|
&Method::DELETE => {
|
|
// DeleteObject query
|
|
let version_uuid = handle_delete(garage, &bucket, &key).await?;
|
|
let response = format!("{}\n", hex::encode(version_uuid));
|
|
Ok(Response::new(Box::new(BytesBody::from(response))))
|
|
}
|
|
&Method::POST => {
|
|
if params.contains_key(&"uploads".to_string()) {
|
|
// CreateMultipartUpload call
|
|
Ok(handle_create_multipart_upload(garage, &req, &bucket, &key).await?)
|
|
} else if params.contains_key(&"uploadid".to_string()) {
|
|
let upload_id = params.get("uploadid").unwrap();
|
|
Ok(handle_complete_multipart_upload(garage, req, &bucket, &key, upload_id).await?)
|
|
} else {
|
|
Err(Error::BadRequest(format!(
|
|
"Not a CreateMultipartUpload call, what is it?"
|
|
)))
|
|
}
|
|
}
|
|
_ => Err(Error::BadRequest(format!("Invalid method"))),
|
|
}
|
|
} else {
|
|
match req.method() {
|
|
&Method::PUT | &Method::HEAD => {
|
|
// If PUT: CreateBucket, if HEAD: HeadBucket
|
|
// If we're here, the bucket already exists, so just answer ok
|
|
let empty_body: BodyType = Box::new(BytesBody::from(vec![]));
|
|
let response = Response::builder()
|
|
.header("Location", format!("/{}", bucket))
|
|
.body(empty_body)
|
|
.unwrap();
|
|
Ok(response)
|
|
}
|
|
&Method::DELETE => {
|
|
// DeleteBucket query
|
|
Err(Error::Forbidden(
|
|
"Cannot delete buckets using S3 api, please talk to Garage directly".into(),
|
|
))
|
|
}
|
|
&Method::GET => {
|
|
if ["delimiter", "prefix"]
|
|
.iter()
|
|
.all(|x| params.contains_key(&x.to_string()))
|
|
{
|
|
// ListObjects query
|
|
let delimiter = params.get("delimiter").unwrap();
|
|
let max_keys = params
|
|
.get("max-keys")
|
|
.map(|x| {
|
|
x.parse::<usize>().map_err(|e| {
|
|
Error::BadRequest(format!("Invalid value for max-keys: {}", e))
|
|
})
|
|
})
|
|
.unwrap_or(Ok(1000))?;
|
|
let prefix = params.get("prefix").unwrap();
|
|
Ok(handle_list(garage, bucket, delimiter, max_keys, prefix).await?)
|
|
} else {
|
|
Err(Error::BadRequest(format!(
|
|
"Not a list call, so what is it?"
|
|
)))
|
|
}
|
|
}
|
|
_ => Err(Error::BadRequest(format!("Invalid method"))),
|
|
}
|
|
}
|
|
}
|