2020-04-28 10:18:14 +00:00
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use std::fmt::Write;
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use std::sync::Arc;
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use chrono::{SecondsFormat, Utc};
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2020-07-07 15:15:53 +00:00
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use hyper::{Body, Response};
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2020-04-28 10:18:14 +00:00
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use garage_table::*;
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use garage_util::data::*;
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use garage_util::error::Error;
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2020-07-07 11:59:22 +00:00
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use garage_model::block_ref_table::*;
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use garage_model::garage::Garage;
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use garage_model::object_table::*;
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use garage_model::version_table::*;
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2020-04-28 10:18:14 +00:00
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pub async fn handle_copy(
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garage: Arc<Garage>,
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dest_bucket: &str,
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dest_key: &str,
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source_bucket: &str,
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source_key: &str,
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2020-07-07 15:15:53 +00:00
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) -> Result<Response<Body>, Error> {
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2020-04-28 10:18:14 +00:00
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let source_object = match garage
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.object_table
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.get(&source_bucket.to_string(), &source_key.to_string())
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.await?
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{
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None => return Err(Error::NotFound),
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Some(o) => o,
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};
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let source_last_v = match source_object
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.versions()
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.iter()
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.rev()
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.filter(|v| v.is_complete())
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.next()
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{
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Some(v) => v,
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None => return Err(Error::NotFound),
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};
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let new_uuid = gen_uuid();
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let dest_object_version = ObjectVersion {
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uuid: new_uuid,
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timestamp: now_msec(),
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mime_type: source_last_v.mime_type.clone(),
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size: source_last_v.size,
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state: ObjectVersionState::Complete,
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data: source_last_v.data.clone(),
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};
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match &source_last_v.data {
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ObjectVersionData::Uploading => {
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return Err(Error::Message(format!(
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"Version is_complete() but data is stil Uploading (internal error)"
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)));
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}
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ObjectVersionData::DeleteMarker => {
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return Err(Error::NotFound);
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}
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ObjectVersionData::Inline(_bytes) => {
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let dest_object = Object::new(
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dest_bucket.to_string(),
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dest_key.to_string(),
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vec![dest_object_version],
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);
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garage.object_table.insert(&dest_object).await?;
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}
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ObjectVersionData::FirstBlock(_first_block_hash) => {
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let source_version = garage
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.version_table
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.get(&source_last_v.uuid, &EmptyKey)
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.await?;
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let source_version = match source_version {
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Some(v) => v,
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None => return Err(Error::NotFound),
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};
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let dest_version = Version::new(
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new_uuid,
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dest_bucket.to_string(),
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dest_key.to_string(),
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false,
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source_version.blocks().to_vec(),
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);
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let dest_object = Object::new(
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dest_bucket.to_string(),
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dest_key.to_string(),
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vec![dest_object_version],
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);
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let dest_block_refs = dest_version
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.blocks()
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.iter()
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.map(|b| BlockRef {
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block: b.hash,
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version: new_uuid,
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deleted: false,
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})
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.collect::<Vec<_>>();
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futures::try_join!(
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garage.object_table.insert(&dest_object),
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garage.version_table.insert(&dest_version),
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garage.block_ref_table.insert_many(&dest_block_refs[..]),
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)?;
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}
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}
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let now = Utc::now();
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let last_modified = now.to_rfc3339_opts(SecondsFormat::Secs, true);
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let mut xml = String::new();
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writeln!(&mut xml, r#"<?xml version="1.0" encoding="UTF-8"?>"#).unwrap();
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writeln!(&mut xml, r#"<CopyObjectResult>"#).unwrap();
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writeln!(&mut xml, "\t<LastModified>{}</LastModified>", last_modified).unwrap();
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writeln!(&mut xml, "</CopyObjectResult>").unwrap();
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2020-07-07 15:15:53 +00:00
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Ok(Response::new(Body::from(xml.into_bytes())))
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2020-04-28 10:18:14 +00:00
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}
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