forked from Deuxfleurs/garage
Alex Auvolat
3324971701
- ListBucket does not require any of the parameters (delimiter,
prefix, max-keys, etc)
- URLs are properly percent_decoded
- PutObject and DeleteObject calls now answer correctly
(empty body, version id in the x-amz-version-id: header)
435 lines
11 KiB
Rust
435 lines
11 KiB
Rust
use std::collections::VecDeque;
|
|
use std::fmt::Write;
|
|
use std::sync::Arc;
|
|
|
|
use futures::stream::*;
|
|
use hyper::{Body, Request, Response};
|
|
|
|
use garage_table::*;
|
|
use garage_util::data::*;
|
|
use garage_util::error::Error;
|
|
|
|
use garage_core::block::INLINE_THRESHOLD;
|
|
use garage_core::block_ref_table::*;
|
|
use garage_core::garage::Garage;
|
|
use garage_core::object_table::*;
|
|
use garage_core::version_table::*;
|
|
|
|
use crate::encoding::*;
|
|
use crate::http_util::*;
|
|
|
|
pub async fn handle_put(
|
|
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 body = req.into_body();
|
|
|
|
let mut chunker = BodyChunker::new(body, garage.config.block_size);
|
|
let first_block = match chunker.next().await? {
|
|
Some(x) => x,
|
|
None => vec![],
|
|
};
|
|
|
|
let mut object_version = ObjectVersion {
|
|
uuid: version_uuid,
|
|
timestamp: now_msec(),
|
|
mime_type,
|
|
size: first_block.len() as u64,
|
|
state: ObjectVersionState::Uploading,
|
|
data: ObjectVersionData::Uploading,
|
|
};
|
|
|
|
if first_block.len() < INLINE_THRESHOLD {
|
|
object_version.data = ObjectVersionData::Inline(first_block);
|
|
object_version.state = ObjectVersionState::Complete;
|
|
|
|
let object = Object::new(bucket.into(), key.into(), vec![object_version]);
|
|
garage.object_table.insert(&object).await?;
|
|
return Ok(put_response(version_uuid));
|
|
}
|
|
|
|
let version = Version::new(version_uuid, bucket.into(), key.into(), false, vec![]);
|
|
|
|
let first_block_hash = hash(&first_block[..]);
|
|
object_version.data = ObjectVersionData::FirstBlock(first_block_hash);
|
|
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,
|
|
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);
|
|
|
|
loop {
|
|
let (_, _, next_block) =
|
|
futures::try_join!(put_curr_block, put_curr_version_block, chunker.next())?;
|
|
if let Some(block) = next_block {
|
|
let block_hash = hash(&block[..]);
|
|
let block_len = block.len();
|
|
put_curr_version_block = 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 {
|
|
break;
|
|
}
|
|
}
|
|
|
|
Ok(next_offset as u64)
|
|
}
|
|
|
|
async fn put_block_meta(
|
|
garage: Arc<Garage>,
|
|
version: &Version,
|
|
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();
|
|
version
|
|
.add_block(VersionBlock {
|
|
part_number,
|
|
offset,
|
|
hash,
|
|
size,
|
|
})
|
|
.unwrap();
|
|
|
|
let block_ref = BlockRef {
|
|
block: hash,
|
|
version: version.uuid,
|
|
deleted: false,
|
|
};
|
|
|
|
futures::try_join!(
|
|
garage.version_table.insert(&version),
|
|
garage.block_ref_table.insert(&block_ref),
|
|
)?;
|
|
Ok(())
|
|
}
|
|
|
|
struct BodyChunker {
|
|
body: Body,
|
|
read_all: bool,
|
|
block_size: usize,
|
|
buf: VecDeque<u8>,
|
|
}
|
|
|
|
impl BodyChunker {
|
|
fn new(body: Body, block_size: usize) -> Self {
|
|
Self {
|
|
body,
|
|
read_all: false,
|
|
block_size,
|
|
buf: VecDeque::new(),
|
|
}
|
|
}
|
|
async fn next(&mut self) -> Result<Option<Vec<u8>>, Error> {
|
|
while !self.read_all && self.buf.len() < self.block_size {
|
|
if let Some(block) = self.body.next().await {
|
|
let bytes = block?;
|
|
trace!("Body next: {} bytes", bytes.len());
|
|
self.buf.extend(&bytes[..]);
|
|
} else {
|
|
self.read_all = true;
|
|
}
|
|
}
|
|
if self.buf.len() == 0 {
|
|
Ok(None)
|
|
} else if self.buf.len() <= self.block_size {
|
|
let block = self.buf.drain(..).collect::<Vec<u8>>();
|
|
Ok(Some(block))
|
|
} else {
|
|
let block = self.buf.drain(..self.block_size).collect::<Vec<u8>>();
|
|
Ok(Some(block))
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn put_response(version_uuid: UUID) -> Response<BodyType> {
|
|
Response::builder()
|
|
.header("x-amz-version-id", hex::encode(version_uuid))
|
|
.body(empty_body())
|
|
.unwrap()
|
|
}
|
|
|
|
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()))))
|
|
}
|
|
|
|
pub async fn handle_abort_multipart_upload(
|
|
garage: Arc<Garage>,
|
|
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 object = garage
|
|
.object_table
|
|
.get(&bucket.to_string(), &key.to_string())
|
|
.await?;
|
|
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(),
|
|
};
|
|
|
|
object_version.state = ObjectVersionState::Aborted;
|
|
let final_object = Object::new(bucket.to_string(), key.to_string(), vec![object_version]);
|
|
garage.object_table.insert(&final_object).await?;
|
|
|
|
Ok(Response::new(Box::new(BytesBody::from(vec![]))))
|
|
}
|
|
|
|
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))
|
|
}
|