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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2021-12-06 14:17:47 +00:00
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use hyper::{Body, Request, Response, Server};
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2020-04-05 21:33:42 +00:00
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2021-12-14 12:55:11 +00:00
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use garage_util::crdt;
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use garage_util::data::*;
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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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2021-12-14 12:55:11 +00:00
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use garage_model::key_table::Key;
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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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2021-12-06 14:17:47 +00:00
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use crate::s3_router::{Authorization, Endpoint};
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2021-12-15 09:41:39 +00:00
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use crate::s3_website::*;
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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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2021-11-29 10:52:42 +00:00
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let mut http_error_builder = Response::builder()
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2021-04-27 23:05:40 +00:00
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.status(e.http_status_code())
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2021-11-29 10:52:42 +00:00
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.header("Content-Type", "application/xml");
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if let Some(header_map) = http_error_builder.headers_mut() {
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e.add_headers(header_map)
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}
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let http_error = http_error_builder.body(body)?;
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2021-04-27 23:05:40 +00:00
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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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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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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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let host = authority_to_host(authority)?;
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2021-11-11 13:12:22 +00:00
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let bucket = garage
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.config
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.s3_api
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.root_domain
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.as_ref()
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2021-11-11 14:37:48 +00:00
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.and_then(|root_domain| host_to_bucket(&host, root_domain));
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2021-11-11 13:12:22 +00:00
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2021-12-06 14:17:47 +00:00
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let endpoint = Endpoint::from_request(&req, bucket.map(ToOwned::to_owned))?;
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2021-12-14 12:55:11 +00:00
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let bucket_name = match endpoint.authorization_type() {
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Authorization::None => {
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return handle_request_without_bucket(garage, req, api_key, endpoint).await
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}
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Authorization::Read(bucket) | Authorization::Write(bucket) => bucket.to_string(),
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};
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let bucket_id = resolve_bucket(&garage, &bucket_name, &api_key).await?;
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2021-12-06 14:17:47 +00:00
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let allowed = match endpoint.authorization_type() {
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2021-12-14 12:55:11 +00:00
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Authorization::Read(_) => api_key.allow_read(&bucket_id),
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Authorization::Write(_) => api_key.allow_write(&bucket_id),
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_ => unreachable!(),
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2020-04-24 17:46:52 +00:00
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};
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2021-12-06 14:17:47 +00:00
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2020-04-24 17:46:52 +00:00
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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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2021-12-06 14:17:47 +00:00
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match endpoint {
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2021-12-14 12:55:11 +00:00
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Endpoint::HeadObject { key, .. } => handle_head(garage, &req, bucket_id, &key).await,
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Endpoint::GetObject { key, .. } => handle_get(garage, &req, bucket_id, &key).await,
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2021-12-06 14:17:47 +00:00
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Endpoint::UploadPart {
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key,
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part_number,
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upload_id,
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2021-12-14 12:55:11 +00:00
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..
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2021-12-06 14:17:47 +00:00
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} => {
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handle_put_part(
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garage,
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req,
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2021-12-14 12:55:11 +00:00
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bucket_id,
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2021-12-06 14:17:47 +00:00
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&key,
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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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2020-04-26 20:39:32 +00:00
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}
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2021-12-14 12:55:11 +00:00
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Endpoint::CopyObject { key, .. } => {
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2021-12-06 14:17:47 +00:00
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let copy_source = req.headers().get("x-amz-copy-source").unwrap().to_str()?;
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let copy_source = percent_encoding::percent_decode_str(copy_source).decode_utf8()?;
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let (source_bucket, source_key) = parse_bucket_key(©_source, None)?;
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2021-12-14 12:55:11 +00:00
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let source_bucket_id =
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resolve_bucket(&garage, &source_bucket.to_string(), &api_key).await?;
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if !api_key.allow_read(&source_bucket_id) {
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2021-12-06 14:17:47 +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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2020-04-26 20:39:32 +00:00
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}
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2021-12-06 14:17:47 +00:00
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let source_key = source_key.ok_or_bad_request("No source key specified")?;
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2021-12-14 12:55:11 +00:00
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handle_copy(garage, &req, bucket_id, &key, source_bucket_id, source_key).await
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2021-12-06 14:17:47 +00:00
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}
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2021-12-14 12:55:11 +00:00
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Endpoint::PutObject { key, .. } => {
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handle_put(garage, req, bucket_id, &key, content_sha256).await
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2021-12-06 14:17:47 +00:00
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}
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2021-12-14 12:55:11 +00:00
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Endpoint::AbortMultipartUpload { key, upload_id, .. } => {
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handle_abort_multipart_upload(garage, bucket_id, &key, &upload_id).await
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}
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Endpoint::DeleteObject { key, .. } => handle_delete(garage, bucket_id, &key).await,
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2021-12-06 14:17:47 +00:00
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Endpoint::CreateMultipartUpload { bucket, key } => {
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2021-12-14 12:55:11 +00:00
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handle_create_multipart_upload(garage, &req, &bucket, bucket_id, &key).await
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2021-12-06 14:17:47 +00:00
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}
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Endpoint::CompleteMultipartUpload {
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bucket,
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key,
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upload_id,
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} => {
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2021-12-14 12:55:11 +00:00
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handle_complete_multipart_upload(
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garage,
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req,
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&bucket,
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bucket_id,
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&key,
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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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2021-12-06 14:17:47 +00:00
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}
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Endpoint::CreateBucket { bucket } => {
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debug!(
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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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let empty_body: Body = Body::from(vec![]);
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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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}
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Endpoint::HeadBucket { .. } => {
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let empty_body: Body = Body::from(vec![]);
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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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Endpoint::DeleteBucket { .. } => 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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Endpoint::GetBucketLocation { .. } => handle_get_bucket_location(garage),
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Endpoint::GetBucketVersioning { .. } => handle_get_bucket_versioning(),
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Endpoint::ListObjects {
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bucket,
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delimiter,
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encoding_type,
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marker,
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max_keys,
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prefix,
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} => {
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handle_list(
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garage,
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&ListObjectsQuery {
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is_v2: false,
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2021-12-14 12:55:11 +00:00
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bucket_name: bucket,
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bucket_id,
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2021-12-06 14:17:47 +00:00
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delimiter: delimiter.map(|d| d.to_string()),
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max_keys: max_keys.unwrap_or(1000),
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prefix: prefix.unwrap_or_default(),
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marker,
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continuation_token: None,
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start_after: None,
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urlencode_resp: encoding_type.map(|e| e == "url").unwrap_or(false),
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},
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)
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.await
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}
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Endpoint::ListObjectsV2 {
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bucket,
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delimiter,
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encoding_type,
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max_keys,
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prefix,
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continuation_token,
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start_after,
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list_type,
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..
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} => {
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if list_type == "2" {
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handle_list(
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garage,
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&ListObjectsQuery {
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is_v2: true,
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2021-12-14 12:55:11 +00:00
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bucket_name: bucket,
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bucket_id,
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2021-12-06 14:17:47 +00:00
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delimiter: delimiter.map(|d| d.to_string()),
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max_keys: max_keys.unwrap_or(1000),
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prefix: prefix.unwrap_or_default(),
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marker: None,
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continuation_token,
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start_after,
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urlencode_resp: encoding_type.map(|e| e == "url").unwrap_or(false),
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},
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)
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.await
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} else {
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Err(Error::BadRequest(format!(
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"Invalid endpoint: list-type={}",
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list_type
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)))
|
2020-04-26 20:39:32 +00:00
|
|
|
}
|
2020-04-11 16:51:11 +00:00
|
|
|
}
|
2021-12-14 12:55:11 +00:00
|
|
|
Endpoint::DeleteObjects { .. } => {
|
|
|
|
|
handle_delete_objects(garage, bucket_id, req, content_sha256).await
|
2020-04-09 21:45:07 +00:00
|
|
|
}
|
2021-12-16 10:47:58 +00:00
|
|
|
Endpoint::PutBucketWebsite { .. } => {
|
|
|
|
|
handle_put_website(garage, bucket_id, req, content_sha256).await
|
2021-12-15 09:41:39 +00:00
|
|
|
}
|
2021-12-16 10:47:58 +00:00
|
|
|
Endpoint::DeleteBucketWebsite { .. } => handle_delete_website(garage, bucket_id).await,
|
2021-12-06 14:17:47 +00:00
|
|
|
endpoint => Err(Error::NotImplemented(endpoint.name().to_owned())),
|
2020-04-09 21:45:07 +00:00
|
|
|
}
|
|
|
|
|
}
|
2020-04-28 10:18:14 +00:00
|
|
|
|
2021-12-14 12:55:11 +00:00
|
|
|
async fn handle_request_without_bucket(
|
|
|
|
|
garage: Arc<Garage>,
|
|
|
|
|
_req: Request<Body>,
|
|
|
|
|
api_key: Key,
|
|
|
|
|
endpoint: Endpoint,
|
|
|
|
|
) -> Result<Response<Body>, Error> {
|
|
|
|
|
match endpoint {
|
|
|
|
|
Endpoint::ListBuckets => handle_list_buckets(&garage, &api_key).await,
|
|
|
|
|
endpoint => Err(Error::NotImplemented(endpoint.name().to_owned())),
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[allow(clippy::ptr_arg)]
|
|
|
|
|
async fn resolve_bucket(
|
|
|
|
|
garage: &Garage,
|
|
|
|
|
bucket_name: &String,
|
|
|
|
|
api_key: &Key,
|
|
|
|
|
) -> Result<Uuid, Error> {
|
|
|
|
|
let api_key_params = api_key
|
|
|
|
|
.state
|
|
|
|
|
.as_option()
|
|
|
|
|
.ok_or_else(|| Error::Forbidden("Operation is not allowed for this key.".to_string()))?;
|
|
|
|
|
|
|
|
|
|
if let Some(crdt::Deletable::Present(bucket_id)) = api_key_params.local_aliases.get(bucket_name)
|
|
|
|
|
{
|
|
|
|
|
Ok(*bucket_id)
|
|
|
|
|
} else {
|
|
|
|
|
Ok(garage
|
|
|
|
|
.bucket_helper()
|
|
|
|
|
.resolve_global_bucket_name(bucket_name)
|
|
|
|
|
.await?
|
|
|
|
|
.ok_or(Error::NotFound)?)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2021-11-15 16:39:36 +00:00
|
|
|
/// Extract the bucket name and the key name from an HTTP path and possibly a bucket provided in
|
|
|
|
|
/// the host header of the request
|
2020-11-07 12:53:32 +00:00
|
|
|
///
|
|
|
|
|
/// 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,
|
2021-11-11 13:12:22 +00:00
|
|
|
host_bucket: Option<&'a str>,
|
2021-11-11 10:26:02 +00:00
|
|
|
) -> 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 13:12:22 +00:00
|
|
|
if let Some(bucket) = host_bucket {
|
|
|
|
|
if !path.is_empty() {
|
|
|
|
|
return Ok((bucket, Some(path)));
|
|
|
|
|
} else {
|
|
|
|
|
return Ok((bucket, None));
|
2021-11-11 10:26:02 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
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 13:12:22 +00:00
|
|
|
let (bucket, key) = parse_bucket_key("/my_bucket/a/super/file.jpg", 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 13:12:22 +00:00
|
|
|
let (bucket, key) = parse_bucket_key("/my_bucket/", None)?;
|
2020-11-07 14:34:53 +00:00
|
|
|
assert_eq!(bucket, "my_bucket");
|
|
|
|
|
assert!(key.is_none());
|
2021-11-11 13:12:22 +00:00
|
|
|
let (bucket, key) = parse_bucket_key("/my_bucket", 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 13:12:22 +00:00
|
|
|
let parsed = parse_bucket_key("", None);
|
2020-11-08 12:39:44 +00:00
|
|
|
assert!(parsed.is_err());
|
2021-11-11 13:12:22 +00:00
|
|
|
let parsed = parse_bucket_key("/", None);
|
2020-11-08 12:39:44 +00:00
|
|
|
assert!(parsed.is_err());
|
2021-11-11 13:12:22 +00:00
|
|
|
let parsed = parse_bucket_key("////", 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> {
|
2021-11-11 13:12:22 +00:00
|
|
|
let (bucket, key) = parse_bucket_key("/a/super/file.jpg", Some("my-bucket"))?;
|
2021-11-11 10:26:02 +00:00
|
|
|
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> {
|
2021-11-11 13:12:22 +00:00
|
|
|
let (bucket, key) = parse_bucket_key("", Some("my-bucket"))?;
|
2021-11-11 10:26:02 +00:00
|
|
|
assert_eq!(bucket, "my-bucket");
|
|
|
|
|
assert!(key.is_none());
|
2021-11-11 13:12:22 +00:00
|
|
|
let (bucket, key) = parse_bucket_key("/", Some("my-bucket"))?;
|
2021-11-11 10:26:02 +00:00
|
|
|
assert_eq!(bucket, "my-bucket");
|
|
|
|
|
assert!(key.is_none());
|
|
|
|
|
Ok(())
|
|
|
|
|
}
|
2020-11-07 12:53:32 +00:00
|
|
|
}
|
