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|
use std::fmt::Write;
use std::sync::Arc;
use chrono::{SecondsFormat, Utc};
use hyper::Response;
use garage_table::*;
use garage_util::data::*;
use garage_util::error::Error;
use garage_core::block_ref_table::*;
use garage_core::garage::Garage;
use garage_core::object_table::*;
use garage_core::version_table::*;
use crate::http_util::*;
pub async fn handle_copy(
garage: Arc<Garage>,
dest_bucket: &str,
dest_key: &str,
source_bucket: &str,
source_key: &str,
) -> Result<Response<BodyType>, Error> {
let source_object = match garage
.object_table
.get(&source_bucket.to_string(), &source_key.to_string())
.await?
{
None => return Err(Error::NotFound),
Some(o) => o,
};
let source_last_v = match source_object
.versions()
.iter()
.rev()
.filter(|v| v.is_complete())
.next()
{
Some(v) => v,
None => return Err(Error::NotFound),
};
let new_uuid = gen_uuid();
let dest_object_version = ObjectVersion {
uuid: new_uuid,
timestamp: now_msec(),
mime_type: source_last_v.mime_type.clone(),
size: source_last_v.size,
state: ObjectVersionState::Complete,
data: source_last_v.data.clone(),
};
match &source_last_v.data {
ObjectVersionData::Uploading => {
return Err(Error::Message(format!(
"Version is_complete() but data is stil Uploading (internal error)"
)));
}
ObjectVersionData::DeleteMarker => {
return Err(Error::NotFound);
}
ObjectVersionData::Inline(_bytes) => {
let dest_object = Object::new(
dest_bucket.to_string(),
dest_key.to_string(),
vec![dest_object_version],
);
garage.object_table.insert(&dest_object).await?;
}
ObjectVersionData::FirstBlock(_first_block_hash) => {
let source_version = garage
.version_table
.get(&source_last_v.uuid, &EmptyKey)
.await?;
let source_version = match source_version {
Some(v) => v,
None => return Err(Error::NotFound),
};
let dest_version = Version::new(
new_uuid,
dest_bucket.to_string(),
dest_key.to_string(),
false,
source_version.blocks().to_vec(),
);
let dest_object = Object::new(
dest_bucket.to_string(),
dest_key.to_string(),
vec![dest_object_version],
);
let dest_block_refs = dest_version
.blocks()
.iter()
.map(|b| BlockRef {
block: b.hash,
version: new_uuid,
deleted: false,
})
.collect::<Vec<_>>();
futures::try_join!(
garage.object_table.insert(&dest_object),
garage.version_table.insert(&dest_version),
garage.block_ref_table.insert_many(&dest_block_refs[..]),
)?;
}
}
let now = Utc::now();
let last_modified = now.to_rfc3339_opts(SecondsFormat::Secs, true);
let mut xml = String::new();
writeln!(&mut xml, r#"<?xml version="1.0" encoding="UTF-8"?>"#).unwrap();
writeln!(&mut xml, r#"<CopyObjectResult>"#).unwrap();
writeln!(&mut xml, "\t<LastModified>{}</LastModified>", last_modified).unwrap();
writeln!(&mut xml, "</CopyObjectResult>").unwrap();
Ok(Response::new(Box::new(BytesBody::from(xml.into_bytes()))))
}
|
