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-rw-r--r--src/api/s3/api_server.rs22
-rw-r--r--src/api/s3/get.rs50
-rw-r--r--src/api/s3/router.rs21
3 files changed, 87 insertions, 6 deletions
diff --git a/src/api/s3/api_server.rs b/src/api/s3/api_server.rs
index 0065ca59..7fac6261 100644
--- a/src/api/s3/api_server.rs
+++ b/src/api/s3/api_server.rs
@@ -178,8 +178,26 @@ impl ApiHandler for S3ApiServer {
key, part_number, ..
} => handle_head(garage, &req, bucket_id, &key, part_number).await,
Endpoint::GetObject {
- key, part_number, ..
- } => handle_get(garage, &req, bucket_id, &key, part_number).await,
+ key,
+ part_number,
+ response_cache_control,
+ response_content_disposition,
+ response_content_encoding,
+ response_content_language,
+ response_content_type,
+ response_expires,
+ ..
+ } => {
+ let overrides = GetObjectOverrides {
+ response_cache_control,
+ response_content_disposition,
+ response_content_encoding,
+ response_content_language,
+ response_content_type,
+ response_expires,
+ };
+ handle_get(garage, &req, bucket_id, &key, part_number, overrides).await
+ }
Endpoint::UploadPart {
key,
part_number,
diff --git a/src/api/s3/get.rs b/src/api/s3/get.rs
index f70dad7d..53f0a345 100644
--- a/src/api/s3/get.rs
+++ b/src/api/s3/get.rs
@@ -1,12 +1,14 @@
//! Function related to GET and HEAD requests
+use std::convert::TryInto;
use std::sync::Arc;
use std::time::{Duration, UNIX_EPOCH};
use futures::future;
use futures::stream::{self, StreamExt};
use http::header::{
- ACCEPT_RANGES, CONTENT_LENGTH, CONTENT_RANGE, CONTENT_TYPE, ETAG, IF_MODIFIED_SINCE,
- IF_NONE_MATCH, LAST_MODIFIED, RANGE,
+ ACCEPT_RANGES, CACHE_CONTROL, CONTENT_DISPOSITION, CONTENT_ENCODING, CONTENT_LANGUAGE,
+ CONTENT_LENGTH, CONTENT_RANGE, CONTENT_TYPE, ETAG, EXPIRES, IF_MODIFIED_SINCE, IF_NONE_MATCH,
+ LAST_MODIFIED, RANGE,
};
use hyper::{body::Body, Request, Response, StatusCode};
use tokio::sync::mpsc;
@@ -27,6 +29,16 @@ use crate::s3::error::*;
const X_AMZ_MP_PARTS_COUNT: &str = "x-amz-mp-parts-count";
+#[derive(Default)]
+pub struct GetObjectOverrides {
+ pub(crate) response_cache_control: Option<String>,
+ pub(crate) response_content_disposition: Option<String>,
+ pub(crate) response_content_encoding: Option<String>,
+ pub(crate) response_content_language: Option<String>,
+ pub(crate) response_content_type: Option<String>,
+ pub(crate) response_expires: Option<String>,
+}
+
fn object_headers(
version: &ObjectVersion,
version_meta: &ObjectVersionMeta,
@@ -52,6 +64,32 @@ fn object_headers(
resp
}
+/// Override headers according to specific query parameters, see
+/// section "Overriding response header values through the request" in
+/// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetObject.html
+fn getobject_override_headers(
+ overrides: GetObjectOverrides,
+ resp: &mut http::response::Builder,
+) -> Result<(), Error> {
+ // TODO: this only applies for signed requests, so when we support
+ // anonymous access in the future we will have to do a permission check here
+ let overrides = [
+ (CACHE_CONTROL, overrides.response_cache_control),
+ (CONTENT_DISPOSITION, overrides.response_content_disposition),
+ (CONTENT_ENCODING, overrides.response_content_encoding),
+ (CONTENT_LANGUAGE, overrides.response_content_language),
+ (CONTENT_TYPE, overrides.response_content_type),
+ (EXPIRES, overrides.response_expires),
+ ];
+ for (hdr, val_opt) in overrides {
+ if let Some(val) = val_opt {
+ let val = val.try_into().ok_or_bad_request("invalid header value")?;
+ resp.headers_mut().unwrap().insert(hdr, val);
+ }
+ }
+ Ok(())
+}
+
fn try_answer_cached(
version: &ObjectVersion,
version_meta: &ObjectVersionMeta,
@@ -185,6 +223,7 @@ pub async fn handle_get(
bucket_id: Uuid,
key: &str,
part_number: Option<u64>,
+ overrides: GetObjectOverrides,
) -> Result<Response<ResBody>, Error> {
let object = garage
.object_table
@@ -236,9 +275,10 @@ pub async fn handle_get(
(None, None) => (),
}
- let resp_builder = object_headers(last_v, last_v_meta)
+ let mut resp_builder = object_headers(last_v, last_v_meta)
.header(CONTENT_LENGTH, format!("{}", last_v_meta.size))
.status(StatusCode::OK);
+ getobject_override_headers(overrides, &mut resp_builder)?;
match &last_v_data {
ObjectVersionData::DeleteMarker => unreachable!(),
@@ -303,6 +343,9 @@ async fn handle_get_range(
begin: u64,
end: u64,
) -> Result<Response<ResBody>, Error> {
+ // Here we do not use getobject_override_headers because we don't
+ // want to add any overridden headers (those should not be added
+ // when returning PARTIAL_CONTENT)
let resp_builder = object_headers(version, version_meta)
.header(CONTENT_LENGTH, format!("{}", end - begin))
.header(
@@ -343,6 +386,7 @@ async fn handle_get_part(
version_meta: &ObjectVersionMeta,
part_number: u64,
) -> Result<Response<ResBody>, Error> {
+ // Same as for get_range, no getobject_override_headers
let resp_builder =
object_headers(object_version, version_meta).status(StatusCode::PARTIAL_CONTENT);
diff --git a/src/api/s3/router.rs b/src/api/s3/router.rs
index 05882885..e7ac1d77 100644
--- a/src/api/s3/router.rs
+++ b/src/api/s3/router.rs
@@ -125,6 +125,12 @@ pub enum Endpoint {
key: String,
part_number: Option<u64>,
version_id: Option<String>,
+ response_cache_control: Option<String>,
+ response_content_disposition: Option<String>,
+ response_content_encoding: Option<String>,
+ response_content_language: Option<String>,
+ response_content_type: Option<String>,
+ response_expires: Option<String>,
},
GetObjectAcl {
key: String,
@@ -358,7 +364,14 @@ impl Endpoint {
(query.keyword.take().unwrap_or_default(), key, query, None),
key: [
EMPTY if upload_id => ListParts (query::upload_id, opt_parse::max_parts, opt_parse::part_number_marker),
- EMPTY => GetObject (query_opt::version_id, opt_parse::part_number),
+ EMPTY => GetObject (query_opt::version_id,
+ opt_parse::part_number,
+ query_opt::response_cache_control,
+ query_opt::response_content_disposition,
+ query_opt::response_content_encoding,
+ query_opt::response_content_language,
+ query_opt::response_content_type,
+ query_opt::response_expires),
ACL => GetObjectAcl (query_opt::version_id),
LEGAL_HOLD => GetObjectLegalHold (query_opt::version_id),
RETENTION => GetObjectRetention (query_opt::version_id),
@@ -671,6 +684,12 @@ generateQueryParameters! {
"partNumber" => part_number,
"part-number-marker" => part_number_marker,
"prefix" => prefix,
+ "response-cache-control" => response_cache_control,
+ "response-content-disposition" => response_content_disposition,
+ "response-content-encoding" => response_content_encoding,
+ "response-content-language" => response_content_language,
+ "response-content-type" => response_content_type,
+ "response-expires" => response_expires,
"select-type" => select_type,
"start-after" => start_after,
"uploadId" => upload_id,
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-20 12:53:15 +0000