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authorQuentin <quentin@deuxfleurs.fr>2020-12-10 20:12:56 +0100
committerQuentin <quentin@deuxfleurs.fr>2020-12-10 20:12:56 +0100
commite8c12072cefa37d9aec023fd6087b2d190ee3e4c (patch)
tree88b15bfe703d2454d99550010ad04934513d25a4 /src/api
parent51d0c14e440f00f24dbed6c3bce915a183a2bb65 (diff)
parent022b386a5085cad79d649a82846c41cad730920b (diff)
downloadgarage-e8c12072cefa37d9aec023fd6087b2d190ee3e4c.tar.gz
garage-e8c12072cefa37d9aec023fd6087b2d190ee3e4c.zip
Merge branch 'master' into feature/website
Diffstat (limited to 'src/api')
-rw-r--r--src/api/Cargo.toml1
-rw-r--r--src/api/s3_get.rs5
-rw-r--r--src/api/s3_list.rs36
-rw-r--r--src/api/s3_put.rs17
4 files changed, 46 insertions, 13 deletions
diff --git a/src/api/Cargo.toml b/src/api/Cargo.toml
index a366f9b8..079993c3 100644
--- a/src/api/Cargo.toml
+++ b/src/api/Cargo.toml
@@ -27,6 +27,7 @@ md-5 = "0.9.1"
sha2 = "0.8"
hmac = "0.7"
crypto-mac = "0.7"
+rand = "0.7"
futures = "0.3"
futures-util = "0.3"
diff --git a/src/api/s3_get.rs b/src/api/s3_get.rs
index 43215923..1a23f476 100644
--- a/src/api/s3_get.rs
+++ b/src/api/s3_get.rs
@@ -24,10 +24,13 @@ fn object_headers(
"Content-Type",
version_meta.headers.content_type.to_string(),
)
- .header("ETag", version_meta.etag.to_string())
.header("Last-Modified", date_str)
.header("Accept-Ranges", format!("bytes"));
+ if !version_meta.etag.is_empty() {
+ resp = resp.header("ETag", format!("\"{}\"", version_meta.etag));
+ }
+
for (k, v) in version_meta.headers.other.iter() {
resp = resp.header(k, v.to_string());
}
diff --git a/src/api/s3_list.rs b/src/api/s3_list.rs
index 3b739a8a..599d0d11 100644
--- a/src/api/s3_list.rs
+++ b/src/api/s3_list.rs
@@ -18,6 +18,7 @@ use crate::encoding::*;
struct ListResultInfo {
last_modified: u64,
size: u64,
+ etag: String,
}
pub async fn handle_list(
@@ -56,12 +57,12 @@ pub async fn handle_list(
for object in objects.iter() {
if !object.key.starts_with(prefix) {
- truncated = false;
+ truncated = None;
break 'query_loop;
}
if let Some(version) = object.versions().iter().find(|x| x.is_data()) {
if result_keys.len() + result_common_prefixes.len() >= max_keys {
- truncated = true;
+ truncated = Some(object.key.to_string());
break 'query_loop;
}
let common_prefix = if delimiter.len() > 0 {
@@ -75,19 +76,18 @@ pub async fn handle_list(
if let Some(pfx) = common_prefix {
result_common_prefixes.insert(pfx.to_string());
} else {
- let size = match &version.state {
- ObjectVersionState::Complete(ObjectVersionData::Inline(meta, _)) => {
- meta.size
- }
+ let meta = match &version.state {
+ ObjectVersionState::Complete(ObjectVersionData::Inline(meta, _)) => meta,
ObjectVersionState::Complete(ObjectVersionData::FirstBlock(meta, _)) => {
- meta.size
+ meta
}
_ => unreachable!(),
};
let info = match result_keys.get(&object.key) {
None => ListResultInfo {
last_modified: version.timestamp,
- size,
+ size: meta.size,
+ etag: meta.etag.to_string(),
},
Some(_lri) => {
return Err(Error::Message(format!("Duplicate key?? {}", object.key)))
@@ -98,7 +98,7 @@ pub async fn handle_list(
}
}
if objects.len() < max_keys + 1 {
- truncated = false;
+ truncated = None;
break 'query_loop;
}
if objects.len() > 0 {
@@ -113,11 +113,22 @@ pub async fn handle_list(
r#"<ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">"#
)
.unwrap();
- writeln!(&mut xml, "\t<Bucket>{}</Bucket>", bucket).unwrap();
+ writeln!(&mut xml, "\t<Name>{}</Name>", bucket).unwrap();
writeln!(&mut xml, "\t<Prefix>{}</Prefix>", prefix).unwrap();
+ if let Some(mkr) = marker {
+ writeln!(&mut xml, "\t<Marker>{}</Marker>", mkr).unwrap();
+ }
writeln!(&mut xml, "\t<KeyCount>{}</KeyCount>", result_keys.len()).unwrap();
writeln!(&mut xml, "\t<MaxKeys>{}</MaxKeys>", max_keys).unwrap();
- writeln!(&mut xml, "\t<IsTruncated>{}</IsTruncated>", truncated).unwrap();
+ writeln!(
+ &mut xml,
+ "\t<IsTruncated>{}</IsTruncated>",
+ truncated.is_some()
+ )
+ .unwrap();
+ if let Some(next_marker) = truncated {
+ writeln!(&mut xml, "\t<NextMarker>{}</NextMarker>", next_marker).unwrap();
+ }
for (key, info) in result_keys.iter() {
let last_modif = NaiveDateTime::from_timestamp(info.last_modified as i64 / 1000, 0);
let last_modif = DateTime::<Utc>::from_utc(last_modif, Utc);
@@ -132,6 +143,9 @@ pub async fn handle_list(
.unwrap();
writeln!(&mut xml, "\t\t<LastModified>{}</LastModified>", last_modif).unwrap();
writeln!(&mut xml, "\t\t<Size>{}</Size>", info.size).unwrap();
+ if !info.etag.is_empty() {
+ writeln!(&mut xml, "\t\t<ETag>\"{}\"</ETag>", info.etag).unwrap();
+ }
writeln!(&mut xml, "\t\t<StorageClass>STANDARD</StorageClass>").unwrap();
writeln!(&mut xml, "\t</Contents>").unwrap();
}
diff --git a/src/api/s3_put.rs b/src/api/s3_put.rs
index 9c4d625c..c42309b2 100644
--- a/src/api/s3_put.rs
+++ b/src/api/s3_put.rs
@@ -428,6 +428,21 @@ pub async fn handle_complete_multipart_upload(
_ => unreachable!(),
};
+ // ETag calculation: we produce ETags that have the same form as
+ // those of S3 multipart uploads, but we don't use their actual
+ // calculation for the first part (we use random bytes). This
+ // shouldn't impact compatibility as the S3 docs specify that
+ // the ETag is an opaque value in case of a multipart upload.
+ // See also: https://teppen.io/2018/06/23/aws_s3_etags/
+ let num_parts = version.blocks().last().unwrap().part_number
+ - version.blocks().first().unwrap().part_number
+ + 1;
+ let etag = format!(
+ "{}-{}",
+ hex::encode(&rand::random::<[u8; 16]>()[..]),
+ num_parts
+ );
+
// TODO: check that all the parts that they pretend they gave us are indeed there
// TODO: when we read the XML from _req, remember to check the sha256 sum of the payload
// against the signed x-amz-content-sha256
@@ -442,7 +457,7 @@ pub async fn handle_complete_multipart_upload(
ObjectVersionMeta {
headers,
size: total_size,
- etag: "".to_string(), // TODO
+ etag: etag,
},
version.blocks()[0].hash,
));