2020-04-24 18:47:11 +00:00
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use std::collections::HashMap;
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2020-04-19 17:59:59 +00:00
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use std::net::SocketAddr;
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2020-04-10 20:01:48 +00:00
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use std::sync::Arc;
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2020-04-06 17:55:39 +00:00
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2020-04-10 20:01:48 +00:00
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use futures::future::Future;
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2021-11-11 10:26:02 +00:00
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use hyper::header;
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2020-04-07 22:39:07 +00:00
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use hyper::server::conn::AddrStream;
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2020-04-10 20:01:48 +00:00
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use hyper::service::{make_service_fn, service_fn};
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2020-04-24 18:47:11 +00:00
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use hyper::{Body, Method, Request, Response, Server};
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2020-04-05 21:33:42 +00:00
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2020-11-08 14:04:30 +00:00
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use garage_util::error::Error as GarageError;
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2020-04-23 17:05:46 +00:00
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2020-07-07 11:59:22 +00:00
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use garage_model::garage::Garage;
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2020-04-23 17:05:46 +00:00
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2020-11-08 14:04:30 +00:00
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use crate::error::*;
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2020-04-24 17:46:52 +00:00
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use crate::signature::check_signature;
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2020-04-05 21:33:42 +00:00
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2021-11-11 10:26:02 +00:00
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use crate::helpers::*;
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2021-04-27 23:05:40 +00:00
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use crate::s3_bucket::*;
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2020-04-28 10:18:14 +00:00
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use crate::s3_copy::*;
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use crate::s3_delete::*;
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2020-04-26 20:39:32 +00:00
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use crate::s3_get::*;
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use crate::s3_list::*;
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use crate::s3_put::*;
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2020-04-10 20:01:48 +00:00
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2021-03-26 21:32:09 +00:00
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/// Run the S3 API server
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2020-04-10 20:01:48 +00:00
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pub async fn run_api_server(
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garage: Arc<Garage>,
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shutdown_signal: impl Future<Output = ()>,
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2020-11-08 14:04:30 +00:00
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) -> Result<(), GarageError> {
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2020-04-24 17:46:52 +00:00
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let addr = &garage.config.s3_api.api_bind_addr;
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2020-04-05 21:33:42 +00:00
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2020-04-10 20:01:48 +00:00
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let service = make_service_fn(|conn: &AddrStream| {
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2020-04-08 20:00:41 +00:00
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let garage = garage.clone();
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2020-04-07 22:39:07 +00:00
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let client_addr = conn.remote_addr();
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2020-04-06 17:55:39 +00:00
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async move {
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2020-11-08 14:04:30 +00:00
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Ok::<_, GarageError>(service_fn(move |req: Request<Body>| {
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2020-04-08 20:00:41 +00:00
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let garage = garage.clone();
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handler(garage, req, client_addr)
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2020-04-06 17:55:39 +00:00
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}))
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}
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});
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2020-04-05 21:33:42 +00:00
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2021-10-26 08:20:05 +00:00
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let server = Server::bind(addr).serve(service);
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2020-04-05 21:33:42 +00:00
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let graceful = server.with_graceful_shutdown(shutdown_signal);
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2020-04-21 12:54:55 +00:00
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info!("API server listening on http://{}", addr);
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2020-04-05 21:33:42 +00:00
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2020-04-11 16:51:11 +00:00
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graceful.await?;
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Ok(())
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2020-04-05 21:33:42 +00:00
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}
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2020-04-07 22:39:07 +00:00
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2020-04-10 20:01:48 +00:00
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async fn handler(
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garage: Arc<Garage>,
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req: Request<Body>,
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addr: SocketAddr,
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2020-11-08 14:04:30 +00:00
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) -> Result<Response<Body>, GarageError> {
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2021-04-27 23:05:40 +00:00
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let uri = req.uri().clone();
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info!("{} {} {}", addr, req.method(), uri);
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2020-04-24 17:46:52 +00:00
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debug!("{:?}", req);
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2021-04-27 23:05:40 +00:00
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match handler_inner(garage.clone(), req).await {
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2020-04-24 17:46:52 +00:00
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Ok(x) => {
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debug!("{} {:?}", x.status(), x.headers());
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Ok(x)
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}
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2020-04-07 22:39:07 +00:00
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Err(e) => {
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2021-04-27 23:05:40 +00:00
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let body: Body = Body::from(e.aws_xml(&garage.config.s3_api.s3_region, uri.path()));
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let http_error = Response::builder()
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.status(e.http_status_code())
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.header("Content-Type", "application/xml")
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.body(body)?;
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2021-02-19 23:30:39 +00:00
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if e.http_status_code().is_server_error() {
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warn!("Response: error {}, {}", e.http_status_code(), e);
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} else {
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info!("Response: error {}, {}", e.http_status_code(), e);
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}
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2020-04-09 15:32:28 +00:00
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Ok(http_error)
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2020-04-07 22:39:07 +00:00
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}
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}
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}
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2020-07-08 11:33:02 +00:00
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async fn handler_inner(garage: Arc<Garage>, req: Request<Body>) -> Result<Response<Body>, Error> {
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2020-04-24 17:46:52 +00:00
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let path = req.uri().path().to_string();
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2020-05-04 13:09:23 +00:00
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let path = percent_encoding::percent_decode_str(&path).decode_utf8()?;
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2021-05-02 20:30:56 +00:00
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let (api_key, content_sha256) = check_signature(&garage, &req).await?;
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if path == "/" {
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return handle_list_buckets(&api_key);
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}
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2020-05-01 14:30:50 +00:00
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2021-11-11 10:26:02 +00:00
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let authority = req
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.headers()
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.get(header::HOST)
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.ok_or_else(|| Error::BadRequest("HOST header required".to_owned()))?
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.to_str()?;
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// Get bucket
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let host = authority_to_host(authority)?;
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let (bucket, key) = parse_bucket_key(
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&path,
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Some(&host),
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garage.config.s3_api.root_domain.as_deref(),
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)?;
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2020-04-24 17:46:52 +00:00
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let allowed = match req.method() {
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2021-10-26 08:20:05 +00:00
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&Method::HEAD | &Method::GET => api_key.allow_read(bucket),
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_ => api_key.allow_write(bucket),
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2020-04-24 17:46:52 +00:00
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};
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if !allowed {
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2021-04-23 20:18:00 +00:00
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return Err(Error::Forbidden(
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"Operation is not allowed for this key.".to_string(),
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));
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2020-04-24 17:46:52 +00:00
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}
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2020-04-26 20:39:32 +00:00
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let mut params = HashMap::new();
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if let Some(query) = req.uri().query() {
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let query_pairs = url::form_urlencoded::parse(query.as_bytes());
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for (key, val) in query_pairs {
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params.insert(key.to_lowercase(), val.to_string());
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}
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}
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2020-04-24 17:46:52 +00:00
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if let Some(key) = key {
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2021-04-23 20:18:00 +00:00
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match *req.method() {
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Method::HEAD => {
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2020-04-26 20:39:32 +00:00
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// HeadObject query
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2021-10-26 08:20:05 +00:00
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Ok(handle_head(garage, &req, bucket, key).await?)
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2020-04-26 20:39:32 +00:00
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}
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2021-04-23 20:18:00 +00:00
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Method::GET => {
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2020-04-26 20:39:32 +00:00
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// GetObject query
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2021-10-26 08:20:05 +00:00
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Ok(handle_get(garage, &req, bucket, key).await?)
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2020-04-26 20:39:32 +00:00
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}
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2021-04-23 20:18:00 +00:00
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Method::PUT => {
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2020-04-28 10:18:14 +00:00
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if params.contains_key(&"partnumber".to_string())
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&& params.contains_key(&"uploadid".to_string())
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2020-04-26 20:39:32 +00:00
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{
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2020-04-26 20:46:21 +00:00
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// UploadPart query
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2020-04-26 20:39:32 +00:00
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let part_number = params.get("partnumber").unwrap();
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let upload_id = params.get("uploadid").unwrap();
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2020-07-15 13:31:13 +00:00
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Ok(handle_put_part(
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garage,
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req,
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2021-10-26 08:20:05 +00:00
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bucket,
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key,
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2020-07-15 13:31:13 +00:00
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part_number,
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upload_id,
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content_sha256,
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)
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.await?)
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2020-04-28 10:18:14 +00:00
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} else if req.headers().contains_key("x-amz-copy-source") {
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// CopyObject query
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let copy_source = req.headers().get("x-amz-copy-source").unwrap().to_str()?;
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2020-05-04 13:09:23 +00:00
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let copy_source =
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2021-10-26 08:20:05 +00:00
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percent_encoding::percent_decode_str(copy_source).decode_utf8()?;
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2021-11-11 10:26:02 +00:00
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let (source_bucket, source_key) = parse_bucket_key(©_source, None, None)?;
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2021-10-26 08:20:05 +00:00
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if !api_key.allow_read(source_bucket) {
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2020-04-28 10:18:14 +00:00
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return Err(Error::Forbidden(format!(
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"Reading from bucket {} not allowed for this key",
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source_bucket
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)));
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}
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2020-11-08 14:04:30 +00:00
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let source_key = source_key.ok_or_bad_request("No source key specified")?;
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2021-10-26 08:20:05 +00:00
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Ok(handle_copy(garage, &req, bucket, key, source_bucket, source_key).await?)
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2020-04-26 20:39:32 +00:00
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} else {
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// PutObject query
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2021-10-26 08:20:05 +00:00
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Ok(handle_put(garage, req, bucket, key, content_sha256).await?)
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2020-04-26 20:39:32 +00:00
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}
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2020-04-24 17:46:52 +00:00
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}
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2021-04-23 20:18:00 +00:00
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Method::DELETE => {
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2020-04-26 20:46:21 +00:00
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if params.contains_key(&"uploadid".to_string()) {
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// AbortMultipartUpload query
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let upload_id = params.get("uploadid").unwrap();
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2021-10-26 08:20:05 +00:00
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Ok(handle_abort_multipart_upload(garage, bucket, key, upload_id).await?)
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2020-04-26 20:46:21 +00:00
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} else {
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// DeleteObject query
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2021-10-26 08:20:05 +00:00
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Ok(handle_delete(garage, bucket, key).await?)
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2020-04-26 20:46:21 +00:00
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}
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2020-04-24 17:46:52 +00:00
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}
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2021-04-23 20:18:00 +00:00
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Method::POST => {
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2020-04-26 20:39:32 +00:00
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if params.contains_key(&"uploads".to_string()) {
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// CreateMultipartUpload call
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2021-10-26 08:20:05 +00:00
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Ok(handle_create_multipart_upload(garage, &req, bucket, key).await?)
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2020-04-26 20:39:32 +00:00
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} else if params.contains_key(&"uploadid".to_string()) {
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2020-04-26 20:46:21 +00:00
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// CompleteMultipartUpload call
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2020-04-26 20:39:32 +00:00
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let upload_id = params.get("uploadid").unwrap();
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2021-02-23 17:46:25 +00:00
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Ok(handle_complete_multipart_upload(
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garage,
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req,
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2021-10-26 08:20:05 +00:00
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bucket,
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key,
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2021-02-23 17:46:25 +00:00
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upload_id,
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content_sha256,
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2020-04-28 10:18:14 +00:00
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)
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2021-02-23 17:46:25 +00:00
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.await?)
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2020-04-26 20:39:32 +00:00
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} else {
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2021-04-23 20:18:00 +00:00
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Err(Error::BadRequest(
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"Not a CreateMultipartUpload call, what is it?".to_string(),
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))
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2020-04-26 20:39:32 +00:00
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}
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}
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2021-04-23 20:18:00 +00:00
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_ => Err(Error::BadRequest("Invalid method".to_string())),
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2020-04-11 16:51:11 +00:00
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}
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2020-04-24 17:46:52 +00:00
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} else {
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2021-04-23 20:18:00 +00:00
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match *req.method() {
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Method::PUT => {
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2020-05-01 14:30:50 +00:00
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// CreateBucket
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2020-04-26 16:22:33 +00:00
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// If we're here, the bucket already exists, so just answer ok
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2021-01-16 15:05:54 +00:00
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debug!(
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2020-05-01 14:30:50 +00:00
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"Body: {}",
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std::str::from_utf8(&hyper::body::to_bytes(req.into_body()).await?)
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.unwrap_or("<invalid utf8>")
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);
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2020-07-07 15:15:53 +00:00
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let empty_body: Body = Body::from(vec![]);
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2020-04-26 16:22:33 +00:00
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let response = Response::builder()
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.header("Location", format!("/{}", bucket))
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.body(empty_body)
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.unwrap();
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Ok(response)
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2020-04-26 18:55:13 +00:00
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}
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2021-04-23 20:18:00 +00:00
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Method::HEAD => {
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2020-05-01 14:30:50 +00:00
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// HeadBucket
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2020-07-07 15:15:53 +00:00
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let empty_body: Body = Body::from(vec![]);
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2020-05-01 14:30:50 +00:00
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let response = Response::builder().body(empty_body).unwrap();
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Ok(response)
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}
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2021-04-23 20:18:00 +00:00
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Method::DELETE => {
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2020-04-26 20:39:32 +00:00
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// DeleteBucket query
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Err(Error::Forbidden(
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"Cannot delete buckets using S3 api, please talk to Garage directly".into(),
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))
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}
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2021-04-23 20:18:00 +00:00
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Method::GET => {
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2021-04-27 23:05:40 +00:00
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if params.contains_key("location") {
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// GetBucketLocation call
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Ok(handle_get_bucket_location(garage)?)
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2021-05-14 20:33:26 +00:00
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} else if params.contains_key("versioning") {
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// GetBucketVersioning
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Ok(handle_get_bucket_versioning()?)
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2021-04-27 23:05:40 +00:00
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} else {
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// ListObjects or ListObjectsV2 query
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let q = parse_list_objects_query(bucket, ¶ms)?;
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Ok(handle_list(garage, &q).await?)
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}
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2020-04-21 14:33:12 +00:00
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}
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2021-04-23 20:18:00 +00:00
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Method::POST => {
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2020-05-04 13:09:23 +00:00
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if params.contains_key(&"delete".to_string()) {
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// DeleteObjects
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2021-02-19 23:13:07 +00:00
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Ok(handle_delete_objects(garage, bucket, req, content_sha256).await?)
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2020-05-04 13:09:23 +00:00
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} else {
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2021-01-16 15:05:54 +00:00
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debug!(
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2020-05-04 13:09:23 +00:00
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"Body: {}",
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std::str::from_utf8(&hyper::body::to_bytes(req.into_body()).await?)
|
|
|
|
|
.unwrap_or("<invalid utf8>")
|
|
|
|
|
);
|
2021-04-23 20:18:00 +00:00
|
|
|
Err(Error::BadRequest("Unsupported call".to_string()))
|
2020-05-04 13:09:23 +00:00
|
|
|
}
|
|
|
|
|
}
|
2021-04-23 20:18:00 +00:00
|
|
|
_ => Err(Error::BadRequest("Invalid method".to_string())),
|
2020-04-09 21:45:07 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2020-04-28 10:18:14 +00:00
|
|
|
|
2020-11-07 12:53:32 +00:00
|
|
|
/// Extract the bucket name and the key name from an HTTP path
|
|
|
|
|
///
|
|
|
|
|
/// S3 internally manages only buckets and keys. This function splits
|
|
|
|
|
/// an HTTP path to get the corresponding bucket name and key.
|
2021-11-11 10:26:02 +00:00
|
|
|
fn parse_bucket_key<'a>(
|
|
|
|
|
path: &'a str,
|
|
|
|
|
host: Option<&'a str>,
|
|
|
|
|
root: Option<&str>,
|
|
|
|
|
) -> Result<(&'a str, Option<&'a str>), Error> {
|
2020-04-28 10:35:04 +00:00
|
|
|
let path = path.trim_start_matches('/');
|
2020-04-28 10:18:14 +00:00
|
|
|
|
2021-11-11 10:26:02 +00:00
|
|
|
if host.and(root).is_some() {
|
|
|
|
|
if let Some(bucket) = host_to_bucket(host.unwrap(), root.unwrap()) {
|
|
|
|
|
if !path.is_empty() {
|
|
|
|
|
return Ok((bucket, Some(path)));
|
|
|
|
|
} else {
|
|
|
|
|
return Ok((bucket, None));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2020-11-08 12:39:44 +00:00
|
|
|
let (bucket, key) = match path.find('/') {
|
2020-05-01 14:30:50 +00:00
|
|
|
Some(i) => {
|
|
|
|
|
let key = &path[i + 1..];
|
2021-04-23 20:18:00 +00:00
|
|
|
if !key.is_empty() {
|
2020-11-08 12:39:44 +00:00
|
|
|
(&path[..i], Some(key))
|
2020-05-01 14:30:50 +00:00
|
|
|
} else {
|
2020-11-08 12:39:44 +00:00
|
|
|
(&path[..i], None)
|
2020-05-01 14:30:50 +00:00
|
|
|
}
|
|
|
|
|
}
|
2020-11-08 12:39:44 +00:00
|
|
|
None => (path, None),
|
|
|
|
|
};
|
2021-04-23 20:18:00 +00:00
|
|
|
if bucket.is_empty() {
|
|
|
|
|
return Err(Error::BadRequest("No bucket specified".to_string()));
|
2020-04-28 10:18:14 +00:00
|
|
|
}
|
2020-11-08 12:39:44 +00:00
|
|
|
Ok((bucket, key))
|
2020-04-28 10:18:14 +00:00
|
|
|
}
|
2020-11-07 12:53:32 +00:00
|
|
|
|
|
|
|
|
#[cfg(test)]
|
|
|
|
|
mod tests {
|
|
|
|
|
use super::*;
|
|
|
|
|
|
|
|
|
|
#[test]
|
2020-11-07 14:34:53 +00:00
|
|
|
fn parse_bucket_containing_a_key() -> Result<(), Error> {
|
2021-11-11 10:26:02 +00:00
|
|
|
let (bucket, key) = parse_bucket_key("/my_bucket/a/super/file.jpg", None, None)?;
|
2020-11-07 12:53:32 +00:00
|
|
|
assert_eq!(bucket, "my_bucket");
|
2020-11-07 12:59:30 +00:00
|
|
|
assert_eq!(key.expect("key must be set"), "a/super/file.jpg");
|
2020-11-07 12:53:32 +00:00
|
|
|
Ok(())
|
2020-11-08 12:39:44 +00:00
|
|
|
}
|
2020-11-07 14:34:53 +00:00
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn parse_bucket_containing_no_key() -> Result<(), Error> {
|
2021-11-11 10:26:02 +00:00
|
|
|
let (bucket, key) = parse_bucket_key("/my_bucket/", None, None)?;
|
2020-11-07 14:34:53 +00:00
|
|
|
assert_eq!(bucket, "my_bucket");
|
|
|
|
|
assert!(key.is_none());
|
2021-11-11 10:26:02 +00:00
|
|
|
let (bucket, key) = parse_bucket_key("/my_bucket", None, None)?;
|
2020-11-07 14:34:53 +00:00
|
|
|
assert_eq!(bucket, "my_bucket");
|
|
|
|
|
assert!(key.is_none());
|
|
|
|
|
Ok(())
|
2020-11-07 12:53:32 +00:00
|
|
|
}
|
2020-11-08 12:39:44 +00:00
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn parse_bucket_containing_no_bucket() {
|
2021-11-11 10:26:02 +00:00
|
|
|
let parsed = parse_bucket_key("", None, None);
|
2020-11-08 12:39:44 +00:00
|
|
|
assert!(parsed.is_err());
|
2021-11-11 10:26:02 +00:00
|
|
|
let parsed = parse_bucket_key("/", None, None);
|
2020-11-08 12:39:44 +00:00
|
|
|
assert!(parsed.is_err());
|
2021-11-11 10:26:02 +00:00
|
|
|
let parsed = parse_bucket_key("////", None, None);
|
2020-11-08 12:39:44 +00:00
|
|
|
assert!(parsed.is_err());
|
|
|
|
|
}
|
2021-11-11 10:26:02 +00:00
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn parse_bucket_with_vhost_and_key() -> Result<(), Error> {
|
|
|
|
|
let (bucket, key) = parse_bucket_key(
|
|
|
|
|
"/a/super/file.jpg",
|
|
|
|
|
Some("my-bucket.garage.tld"),
|
|
|
|
|
Some("garage.tld"),
|
|
|
|
|
)?;
|
|
|
|
|
assert_eq!(bucket, "my-bucket");
|
|
|
|
|
assert_eq!(key.expect("key must be set"), "a/super/file.jpg");
|
|
|
|
|
|
|
|
|
|
let (bucket, key) = parse_bucket_key(
|
|
|
|
|
"/my_bucket/a/super/file.jpg",
|
|
|
|
|
Some("not-garage.tld"),
|
|
|
|
|
Some("garage.tld"),
|
|
|
|
|
)?;
|
|
|
|
|
assert_eq!(bucket, "my_bucket");
|
|
|
|
|
assert_eq!(key.expect("key must be set"), "a/super/file.jpg");
|
|
|
|
|
Ok(())
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn parse_bucket_with_vhost_no_key() -> Result<(), Error> {
|
|
|
|
|
let (bucket, key) = parse_bucket_key("", Some("my-bucket.garage.tld"), Some("garage.tld"))?;
|
|
|
|
|
assert_eq!(bucket, "my-bucket");
|
|
|
|
|
assert!(key.is_none());
|
|
|
|
|
let (bucket, key) =
|
|
|
|
|
parse_bucket_key("/", Some("my-bucket.garage.tld"), Some("garage.tld"))?;
|
|
|
|
|
assert_eq!(bucket, "my-bucket");
|
|
|
|
|
assert!(key.is_none());
|
|
|
|
|
Ok(())
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn parse_bucket_missmatch_vhost() {
|
|
|
|
|
let test_vec = [
|
|
|
|
|
"/my_bucket/a/super/file.jpg",
|
|
|
|
|
"/my_bucket/",
|
|
|
|
|
"/my_bucket",
|
|
|
|
|
"",
|
|
|
|
|
"/",
|
|
|
|
|
"////",
|
|
|
|
|
];
|
|
|
|
|
let eq = |l, r| match (l, r) {
|
|
|
|
|
(Ok(l), Ok(r)) => l == r,
|
|
|
|
|
(Err(_), Err(_)) => true,
|
|
|
|
|
_ => false,
|
|
|
|
|
};
|
|
|
|
|
for test in test_vec {
|
|
|
|
|
assert!(eq(
|
|
|
|
|
parse_bucket_key(test, None, None),
|
|
|
|
|
parse_bucket_key(test, Some("bucket.garage.tld"), None)
|
|
|
|
|
));
|
|
|
|
|
assert!(eq(
|
|
|
|
|
parse_bucket_key(test, None, None),
|
|
|
|
|
parse_bucket_key(test, None, Some("garage.tld"))
|
|
|
|
|
));
|
|
|
|
|
assert!(eq(
|
|
|
|
|
parse_bucket_key(test, None, None),
|
|
|
|
|
parse_bucket_key(test, Some("not-garage.tld"), Some("garage.tld"))
|
|
|
|
|
));
|
|
|
|
|
}
|
|
|
|
|
}
|
2020-11-07 12:53:32 +00:00
|
|
|
}
|
