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Improved compatibility on list API call

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This commit is contained in:
Alex Auvolat 2020-12-06 15:39:03 +01:00
parent 857440f192
commit 022b386a50
1 changed files with 25 additions and 11 deletions
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36
src/api/s3_list.rs
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@ -18,6 +18,7 @@ use crate::encoding::*;
struct ListResultInfo { struct ListResultInfo {
last_modified: u64, last_modified: u64,
size: u64, size: u64,
etag: String,
} }
pub async fn handle_list( pub async fn handle_list(
@ -56,12 +57,12 @@ pub async fn handle_list(
for object in objects.iter() { for object in objects.iter() {
if !object.key.starts_with(prefix) { if !object.key.starts_with(prefix) {
truncated = false; truncated = None;
break 'query_loop; break 'query_loop;
} }
if let Some(version) = object.versions().iter().find(|x| x.is_data()) { if let Some(version) = object.versions().iter().find(|x| x.is_data()) {
if result_keys.len() + result_common_prefixes.len() >= max_keys { if result_keys.len() + result_common_prefixes.len() >= max_keys {
truncated = true; truncated = Some(object.key.to_string());
break 'query_loop; break 'query_loop;
} }
let common_prefix = if delimiter.len() > 0 { let common_prefix = if delimiter.len() > 0 {
@ -75,19 +76,18 @@ pub async fn handle_list(
if let Some(pfx) = common_prefix { if let Some(pfx) = common_prefix {
result_common_prefixes.insert(pfx.to_string()); result_common_prefixes.insert(pfx.to_string());
} else { } else {
let size = match &version.state { let meta = match &version.state {
ObjectVersionState::Complete(ObjectVersionData::Inline(meta, _)) => { ObjectVersionState::Complete(ObjectVersionData::Inline(meta, _)) => meta,
meta.size
}
ObjectVersionState::Complete(ObjectVersionData::FirstBlock(meta, _)) => { ObjectVersionState::Complete(ObjectVersionData::FirstBlock(meta, _)) => {
meta.size meta
} }
_ => unreachable!(), _ => unreachable!(),
}; };
let info = match result_keys.get(&object.key) { let info = match result_keys.get(&object.key) {
None => ListResultInfo { None => ListResultInfo {
last_modified: version.timestamp, last_modified: version.timestamp,
size, size: meta.size,
etag: meta.etag.to_string(),
}, },
Some(_lri) => { Some(_lri) => {
return Err(Error::Message(format!("Duplicate key?? {}", object.key))) return Err(Error::Message(format!("Duplicate key?? {}", object.key)))
@ -98,7 +98,7 @@ pub async fn handle_list(
} }
} }
if objects.len() < max_keys + 1 { if objects.len() < max_keys + 1 {
truncated = false; truncated = None;
break 'query_loop; break 'query_loop;
} }
if objects.len() > 0 { if objects.len() > 0 {
@ -113,11 +113,22 @@ pub async fn handle_list(
r#"<ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">"# r#"<ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">"#
) )
.unwrap(); .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(); 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<KeyCount>{}</KeyCount>", result_keys.len()).unwrap();
writeln!(&mut xml, "\t<MaxKeys>{}</MaxKeys>", max_keys).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() { for (key, info) in result_keys.iter() {
let last_modif = NaiveDateTime::from_timestamp(info.last_modified as i64 / 1000, 0); let last_modif = NaiveDateTime::from_timestamp(info.last_modified as i64 / 1000, 0);
let last_modif = DateTime::<Utc>::from_utc(last_modif, Utc); let last_modif = DateTime::<Utc>::from_utc(last_modif, Utc);
@ -132,6 +143,9 @@ pub async fn handle_list(
.unwrap(); .unwrap();
writeln!(&mut xml, "\t\t<LastModified>{}</LastModified>", last_modif).unwrap(); writeln!(&mut xml, "\t\t<LastModified>{}</LastModified>", last_modif).unwrap();
writeln!(&mut xml, "\t\t<Size>{}</Size>", info.size).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\t<StorageClass>STANDARD</StorageClass>").unwrap();
writeln!(&mut xml, "\t</Contents>").unwrap(); writeln!(&mut xml, "\t</Contents>").unwrap();
} }