diff options
Diffstat (limited to 'src/api/s3_put.rs')
| -rw-r--r-- | src/api/s3_put.rs | 234 |
1 files changed, 216 insertions, 18 deletions
diff --git a/src/api/s3_put.rs b/src/api/s3_put.rs index 084af916..f1755c17 100644 --- a/src/api/s3_put.rs +++ b/src/api/s3_put.rs @@ -1,11 +1,13 @@ use std::collections::VecDeque; +use std::fmt::Write; use std::sync::Arc; use futures::stream::*; -use hyper::Body; +use hyper::{Body, Request, Response}; use garage_util::data::*; use garage_util::error::Error; +use garage_table::*; use garage_core::block::INLINE_THRESHOLD; use garage_core::block_ref_table::*; @@ -13,14 +15,17 @@ use garage_core::garage::Garage; use garage_core::object_table::*; use garage_core::version_table::*; +use crate::http_util::*; + pub async fn handle_put( garage: Arc<Garage>, - mime_type: &str, + req: Request<Body>, bucket: &str, key: &str, - body: Body, -) -> Result<UUID, Error> { +) -> Result<Response<BodyType>, Error> { let version_uuid = gen_uuid(); + let mime_type = get_mime_type(&req)?; + let body = req.into_body(); let mut chunker = BodyChunker::new(body, garage.config.block_size); let first_block = match chunker.next().await? { @@ -31,10 +36,10 @@ pub async fn handle_put( let mut object_version = ObjectVersion { uuid: version_uuid, timestamp: now_msec(), - mime_type: mime_type.to_string(), + mime_type, size: first_block.len() as u64, state: ObjectVersionState::Uploading, - data: ObjectVersionData::DeleteMarker, + data: ObjectVersionData::Uploading, }; if first_block.len() < INLINE_THRESHOLD { @@ -43,7 +48,7 @@ pub async fn handle_put( let object = Object::new(bucket.into(), key.into(), vec![object_version]); garage.object_table.insert(&object).await?; - return Ok(version_uuid); + return Ok(put_response(version_uuid)); } let version = Version::new(version_uuid, bucket.into(), key.into(), false, vec![]); @@ -53,9 +58,30 @@ pub async fn handle_put( let object = Object::new(bucket.into(), key.into(), vec![object_version.clone()]); garage.object_table.insert(&object).await?; + let total_size = read_and_put_blocks(&garage, version, 1, first_block, first_block_hash, &mut chunker).await?; + + // TODO: if at any step we have an error, we should undo everything we did + + object_version.state = ObjectVersionState::Complete; + object_version.size = total_size; + + let object = Object::new(bucket.into(), key.into(), vec![object_version]); + garage.object_table.insert(&object).await?; + + Ok(put_response(version_uuid)) +} + +async fn read_and_put_blocks( + garage: &Arc<Garage>, + version: Version, + part_number: u64, + first_block: Vec<u8>, + first_block_hash: Hash, + chunker: &mut BodyChunker, +) -> Result<u64, Error> { let mut next_offset = first_block.len(); let mut put_curr_version_block = - put_block_meta(garage.clone(), &version, 0, 0, first_block_hash); + put_block_meta(garage.clone(), &version, part_number, 0, first_block_hash, first_block.len() as u64); let mut put_curr_block = garage .block_manager .rpc_put_block(first_block_hash, first_block); @@ -67,7 +93,7 @@ pub async fn handle_put( let block_hash = hash(&block[..]); let block_len = block.len(); put_curr_version_block = - put_block_meta(garage.clone(), &version, 0, next_offset as u64, block_hash); + put_block_meta(garage.clone(), &version, part_number, next_offset as u64, block_hash, block_len as u64); put_curr_block = garage.block_manager.rpc_put_block(block_hash, block); next_offset += block_len; } else { @@ -75,15 +101,7 @@ pub async fn handle_put( } } - // TODO: if at any step we have an error, we should undo everything we did - - object_version.state = ObjectVersionState::Complete; - object_version.size = next_offset as u64; - - let object = Object::new(bucket.into(), key.into(), vec![object_version]); - garage.object_table.insert(&object).await?; - - Ok(version_uuid) + Ok(next_offset as u64) } async fn put_block_meta( @@ -92,6 +110,7 @@ async fn put_block_meta( part_number: u64, offset: u64, hash: Hash, + size: u64, ) -> Result<(), Error> { // TODO: don't clone, restart from empty block list ?? let mut version = version.clone(); @@ -100,6 +119,7 @@ async fn put_block_meta( part_number, offset, hash, + size, }) .unwrap(); @@ -154,6 +174,184 @@ impl BodyChunker { } } +fn put_response(version_uuid: UUID) -> Response<BodyType> { + let resp_bytes = format!("{}\n", hex::encode(version_uuid)); + Response::new(Box::new(BytesBody::from(resp_bytes))) +} + +pub async fn handle_create_multipart_upload( + garage: Arc<Garage>, + req: &Request<Body>, + bucket: &str, + key: &str, +) -> Result<Response<BodyType>, Error> { + let version_uuid = gen_uuid(); + let mime_type = get_mime_type(req)?; + + let object_version = ObjectVersion { + uuid: version_uuid, + timestamp: now_msec(), + mime_type, + size: 0, + state: ObjectVersionState::Uploading, + data: ObjectVersionData::Uploading, + }; + let object = Object::new(bucket.to_string(), key.to_string(), vec![object_version]); + garage.object_table.insert(&object).await?; + + let mut xml = String::new(); + writeln!(&mut xml, r#"<?xml version="1.0" encoding="UTF-8"?>"#).unwrap(); + writeln!( + &mut xml, + r#"<InitiateMultipartUploadResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">"# + ) + .unwrap(); + writeln!(&mut xml, "\t<Bucket>{}</Bucket>", bucket).unwrap(); + writeln!(&mut xml, "\t<Key>{}</Key>", xml_escape(key)).unwrap(); + writeln!( + &mut xml, + "\t<UploadId>{}</UploadId>", + hex::encode(version_uuid) + ) + .unwrap(); + writeln!(&mut xml, "</InitiateMultipartUploadResult>").unwrap(); + + Ok(Response::new(Box::new(BytesBody::from(xml.into_bytes())))) +} + +pub async fn handle_put_part( + garage: Arc<Garage>, + req: Request<Body>, + bucket: &str, + key: &str, + part_number_str: &str, + upload_id: &str, +) -> Result<Response<BodyType>, Error> { + // Check parameters + let part_number = part_number_str + .parse::<u64>() + .map_err(|e| Error::BadRequest(format!("Invalid part number: {}", e)))?; + + let version_uuid = uuid_from_str(upload_id).map_err(|_| Error::BadRequest(format!("Invalid upload ID")))?; + + // Read first chuck, and at the same time try to get object to see if it exists + let mut chunker = BodyChunker::new(req.into_body(), garage.config.block_size); + + let bucket = bucket.to_string(); + let key = key.to_string(); + let get_object_fut = garage.object_table.get(&bucket, &key); + let get_first_block_fut = chunker.next(); + let (object, first_block) = futures::try_join!(get_object_fut, get_first_block_fut)?; + + // Check object is valid and multipart block can be accepted + let first_block = match first_block { + None => return Err(Error::BadRequest(format!("Empty body"))), + Some(x) => x, + }; + let object = match object { + None => return Err(Error::BadRequest(format!("Object not found"))), + Some(x) => x, + }; + if !object.versions().iter().any(|v| { + v.uuid == version_uuid + && v.state == ObjectVersionState::Uploading + && v.data == ObjectVersionData::Uploading + }) { + return Err(Error::BadRequest(format!( + "Multipart upload does not exist or is otherwise invalid" + ))); + } + + // Copy block to store + let version = Version::new(version_uuid, bucket.into(), key.into(), false, vec![]); + let first_block_hash = hash(&first_block[..]); + read_and_put_blocks(&garage, version, part_number, first_block, first_block_hash, &mut chunker).await?; + + Ok(Response::new(Box::new(BytesBody::from(vec![])))) +} + +pub async fn handle_complete_multipart_upload( + garage: Arc<Garage>, + _req: Request<Body>, + bucket: &str, + key: &str, + upload_id: &str, +) -> Result<Response<BodyType>, Error> { + let version_uuid = uuid_from_str(upload_id).map_err(|_| Error::BadRequest(format!("Invalid upload ID")))?; + + let bucket = bucket.to_string(); + let key = key.to_string(); + let (object, version) = futures::try_join!( + garage.object_table.get(&bucket, &key), + garage.version_table.get(&version_uuid, &EmptyKey), + )?; + let object = match object { + None => return Err(Error::BadRequest(format!("Object not found"))), + Some(x) => x, + }; + let object_version = object.versions().iter().find(|v| { + v.uuid == version_uuid + && v.state == ObjectVersionState::Uploading + && v.data == ObjectVersionData::Uploading + }); + let mut object_version = match object_version { + None => return Err(Error::BadRequest(format!( + "Multipart upload does not exist or has already been completed" + ))), + Some(x) => x.clone(), + }; + let version = match version { + None => return Err(Error::BadRequest(format!("Version not found"))), + Some(x) => x, + }; + if version.blocks().len() == 0 { + return Err(Error::BadRequest(format!("No data was uploaded"))); + } + + // TODO: check that all the parts that they pretend they gave us are indeed there + // TODO: check MD5 sum of all uploaded parts? but that would mean we have to store them somewhere... + + let total_size = version.blocks().iter().map(|x| x.size).fold(0, |x, y| x+y); + object_version.size = total_size; + object_version.state = ObjectVersionState::Complete; + object_version.data = ObjectVersionData::FirstBlock(version.blocks()[0].hash); + let final_object = Object::new(bucket.clone(), key.clone(), vec![object_version]); + garage.object_table.insert(&final_object).await?; + + let mut xml = String::new(); + writeln!(&mut xml, r#"<?xml version="1.0" encoding="UTF-8"?>"#).unwrap(); + writeln!( + &mut xml, + r#"<CompleteMultipartUploadResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">"# + ) + .unwrap(); + writeln!(&mut xml, "\t<Location>{}</Location>", garage.config.s3_api.s3_region).unwrap(); + writeln!(&mut xml, "\t<Bucket>{}</Bucket>", bucket).unwrap(); + writeln!(&mut xml, "\t<Key>{}</Key>", xml_escape(&key)).unwrap(); + writeln!(&mut xml, "</CompleteMultipartUploadResult>").unwrap(); + + Ok(Response::new(Box::new(BytesBody::from(xml.into_bytes())))) +} + +fn get_mime_type(req: &Request<Body>) -> Result<String, Error> { + Ok(req + .headers() + .get(hyper::header::CONTENT_TYPE) + .map(|x| x.to_str()) + .unwrap_or(Ok("blob"))? + .to_string()) +} + +fn uuid_from_str(id: &str) -> Result<UUID, ()> { + let id_bin = hex::decode(id).map_err(|_| ())?; + if id_bin.len() != 32 { + return Err(()); + } + let mut uuid = [0u8; 32]; + uuid.copy_from_slice(&id_bin[..]); + Ok(UUID::from(uuid)) +} + pub async fn handle_delete(garage: Arc<Garage>, bucket: &str, key: &str) -> Result<UUID, Error> { let object = match garage .object_table |