forked from Deuxfleurs/garage
Reorganize code in s3_put.rs
This commit is contained in:
parent
24d605fb05
commit
d08778dea4
1 changed files with 226 additions and 221 deletions
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@ -23,6 +23,8 @@ use crate::encoding::*;
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use crate::error::*;
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use crate::signature::verify_signed_content;
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// ---- PutObject call ----
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pub async fn handle_put(
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garage: Arc<Garage>,
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req: Request<Body>,
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@ -151,174 +153,6 @@ pub async fn handle_put(
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Ok(put_response(version_uuid, md5sum_hex))
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}
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/// Validate MD5 sum against content-md5 header
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/// and sha256sum against signed content-sha256
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fn ensure_checksum_matches(
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data_md5sum: &[u8],
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data_sha256sum: garage_util::data::FixedBytes32,
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content_md5: Option<&str>,
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content_sha256: Option<garage_util::data::FixedBytes32>,
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) -> Result<(), Error> {
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if let Some(expected_sha256) = content_sha256 {
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if expected_sha256 != data_sha256sum {
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return Err(Error::BadRequest(format!(
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"Unable to validate x-amz-content-sha256"
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)));
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} else {
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trace!("Successfully validated x-amz-content-sha256");
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}
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}
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if let Some(expected_md5) = content_md5 {
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if expected_md5.trim_matches('"') != base64::encode(data_md5sum) {
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return Err(Error::BadRequest(format!("Unable to validate content-md5")));
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} else {
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trace!("Successfully validated content-md5");
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}
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}
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Ok(())
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}
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async fn read_and_put_blocks(
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garage: &Garage,
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version: &Version,
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part_number: u64,
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first_block: Vec<u8>,
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first_block_hash: Hash,
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chunker: &mut BodyChunker,
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) -> Result<(u64, GenericArray<u8, typenum::U16>, Hash), Error> {
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let mut md5hasher = Md5::new();
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let mut sha256hasher = Sha256::new();
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md5hasher.update(&first_block[..]);
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sha256hasher.update(&first_block[..]);
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let mut next_offset = first_block.len();
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let mut put_curr_version_block = put_block_meta(
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&garage,
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&version,
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part_number,
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0,
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first_block_hash,
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first_block.len() as u64,
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);
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let mut put_curr_block = garage
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.block_manager
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.rpc_put_block(first_block_hash, first_block);
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loop {
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let (_, _, next_block) =
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futures::try_join!(put_curr_block, put_curr_version_block, chunker.next())?;
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if let Some(block) = next_block {
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md5hasher.update(&block[..]);
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sha256hasher.update(&block[..]);
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let block_hash = blake2sum(&block[..]);
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let block_len = block.len();
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put_curr_version_block = put_block_meta(
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&garage,
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&version,
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part_number,
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next_offset as u64,
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block_hash,
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block_len as u64,
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);
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put_curr_block = garage.block_manager.rpc_put_block(block_hash, block);
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next_offset += block_len;
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} else {
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break;
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}
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}
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let total_size = next_offset as u64;
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let data_md5sum = md5hasher.finalize();
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let data_sha256sum = sha256hasher.finalize();
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let data_sha256sum = Hash::try_from(&data_sha256sum[..]).unwrap();
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Ok((total_size, data_md5sum, data_sha256sum))
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}
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async fn put_block_meta(
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garage: &Garage,
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version: &Version,
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part_number: u64,
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offset: u64,
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hash: Hash,
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size: u64,
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) -> Result<(), GarageError> {
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let mut version = version.clone();
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version.blocks.put(
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VersionBlockKey {
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part_number,
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offset,
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},
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VersionBlock { hash, size },
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);
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let block_ref = BlockRef {
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block: hash,
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version: version.uuid,
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deleted: false.into(),
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};
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futures::try_join!(
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garage.version_table.insert(&version),
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garage.block_ref_table.insert(&block_ref),
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)?;
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Ok(())
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}
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struct BodyChunker {
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body: Body,
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read_all: bool,
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min_block_size: usize,
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avg_block_size: usize,
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max_block_size: usize,
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buf: VecDeque<u8>,
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}
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impl BodyChunker {
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fn new(body: Body, block_size: usize) -> Self {
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let min_block_size = block_size / 4 * 3;
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let avg_block_size = block_size;
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let max_block_size = block_size * 2;
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Self {
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body,
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read_all: false,
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min_block_size,
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avg_block_size,
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max_block_size,
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buf: VecDeque::with_capacity(2 * max_block_size),
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}
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}
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async fn next(&mut self) -> Result<Option<Vec<u8>>, GarageError> {
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while !self.read_all && self.buf.len() < self.max_block_size {
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if let Some(block) = self.body.next().await {
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let bytes = block?;
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trace!("Body next: {} bytes", bytes.len());
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self.buf.extend(&bytes[..]);
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} else {
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self.read_all = true;
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}
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}
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if self.buf.len() == 0 {
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Ok(None)
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} else {
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let mut iter = FastCDC::with_eof(
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self.buf.make_contiguous(),
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self.min_block_size,
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self.avg_block_size,
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self.max_block_size,
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self.read_all,
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);
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if let Some(Chunk { length, .. }) = iter.next() {
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let block = self.buf.drain(..length).collect::<Vec<u8>>();
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Ok(Some(block))
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} else {
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unreachable!("FastCDC returned not chunk")
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}
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}
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}
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}
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pub fn put_response(version_uuid: UUID, md5sum_hex: String) -> Response<Body> {
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Response::builder()
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.header("x-amz-version-id", hex::encode(version_uuid))
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@ -327,6 +161,8 @@ pub fn put_response(version_uuid: UUID, md5sum_hex: String) -> Response<Body> {
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.unwrap()
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}
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// ---- Mutlipart upload calls ----
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pub async fn handle_create_multipart_upload(
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garage: Arc<Garage>,
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req: &Request<Body>,
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@ -591,59 +427,7 @@ pub async fn handle_abort_multipart_upload(
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Ok(Response::new(Body::from(vec![])))
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}
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fn get_mime_type(req: &Request<Body>) -> Result<String, Error> {
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Ok(req
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.headers()
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.get(hyper::header::CONTENT_TYPE)
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.map(|x| x.to_str())
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.unwrap_or(Ok("blob"))?
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.to_string())
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}
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pub(crate) fn get_headers(req: &Request<Body>) -> Result<ObjectVersionHeaders, Error> {
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let content_type = get_mime_type(req)?;
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let mut other = BTreeMap::new();
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// Preserve standard headers
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let standard_header = vec![
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hyper::header::CACHE_CONTROL,
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hyper::header::CONTENT_DISPOSITION,
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hyper::header::CONTENT_ENCODING,
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hyper::header::CONTENT_LANGUAGE,
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hyper::header::EXPIRES,
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];
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for h in standard_header.iter() {
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if let Some(v) = req.headers().get(h) {
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match v.to_str() {
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Ok(v_str) => {
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other.insert(h.to_string(), v_str.to_string());
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}
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Err(e) => {
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warn!("Discarding header {}, error in .to_str(): {}", h, e);
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}
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}
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}
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}
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// Preserve x-amz-meta- headers
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for (k, v) in req.headers().iter() {
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if k.as_str().starts_with("x-amz-meta-") {
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match v.to_str() {
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Ok(v_str) => {
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other.insert(k.to_string(), v_str.to_string());
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}
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Err(e) => {
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warn!("Discarding header {}, error in .to_str(): {}", k, e);
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}
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}
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}
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}
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Ok(ObjectVersionHeaders {
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content_type,
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other,
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})
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}
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// ---- Parsing input to multipart upload calls ----
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fn decode_upload_id(id: &str) -> Result<UUID, Error> {
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let id_bin = hex::decode(id).ok_or_bad_request("Invalid upload ID")?;
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@ -690,3 +474,224 @@ fn parse_complete_multpart_upload_body(
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Some(parts)
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}
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// ---- Common code ----
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pub(crate) fn get_headers(req: &Request<Body>) -> Result<ObjectVersionHeaders, Error> {
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let content_type = req
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.headers()
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.get(hyper::header::CONTENT_TYPE)
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.map(|x| x.to_str())
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.unwrap_or(Ok("blob"))?
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.to_string();
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let mut other = BTreeMap::new();
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// Preserve standard headers
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let standard_header = vec![
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hyper::header::CACHE_CONTROL,
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hyper::header::CONTENT_DISPOSITION,
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hyper::header::CONTENT_ENCODING,
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hyper::header::CONTENT_LANGUAGE,
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hyper::header::EXPIRES,
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];
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for h in standard_header.iter() {
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if let Some(v) = req.headers().get(h) {
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match v.to_str() {
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Ok(v_str) => {
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other.insert(h.to_string(), v_str.to_string());
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}
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Err(e) => {
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warn!("Discarding header {}, error in .to_str(): {}", h, e);
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}
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}
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}
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}
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// Preserve x-amz-meta- headers
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for (k, v) in req.headers().iter() {
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if k.as_str().starts_with("x-amz-meta-") {
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match v.to_str() {
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Ok(v_str) => {
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other.insert(k.to_string(), v_str.to_string());
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}
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Err(e) => {
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warn!("Discarding header {}, error in .to_str(): {}", k, e);
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}
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}
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}
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}
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Ok(ObjectVersionHeaders {
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content_type,
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other,
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})
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}
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struct BodyChunker {
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body: Body,
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read_all: bool,
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min_block_size: usize,
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avg_block_size: usize,
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max_block_size: usize,
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buf: VecDeque<u8>,
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}
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impl BodyChunker {
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fn new(body: Body, block_size: usize) -> Self {
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let min_block_size = block_size / 4 * 3;
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let avg_block_size = block_size;
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let max_block_size = block_size * 2;
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Self {
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body,
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read_all: false,
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min_block_size,
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avg_block_size,
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max_block_size,
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buf: VecDeque::with_capacity(2 * max_block_size),
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}
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}
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async fn next(&mut self) -> Result<Option<Vec<u8>>, GarageError> {
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while !self.read_all && self.buf.len() < self.max_block_size {
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if let Some(block) = self.body.next().await {
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let bytes = block?;
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trace!("Body next: {} bytes", bytes.len());
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self.buf.extend(&bytes[..]);
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} else {
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self.read_all = true;
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}
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}
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if self.buf.len() == 0 {
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Ok(None)
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} else {
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let mut iter = FastCDC::with_eof(
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self.buf.make_contiguous(),
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self.min_block_size,
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self.avg_block_size,
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self.max_block_size,
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self.read_all,
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);
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if let Some(Chunk { length, .. }) = iter.next() {
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let block = self.buf.drain(..length).collect::<Vec<u8>>();
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Ok(Some(block))
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} else {
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unreachable!("FastCDC returned not chunk")
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}
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}
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}
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}
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async fn read_and_put_blocks(
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garage: &Garage,
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version: &Version,
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part_number: u64,
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first_block: Vec<u8>,
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first_block_hash: Hash,
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chunker: &mut BodyChunker,
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) -> Result<(u64, GenericArray<u8, typenum::U16>, Hash), Error> {
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let mut md5hasher = Md5::new();
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let mut sha256hasher = Sha256::new();
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md5hasher.update(&first_block[..]);
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sha256hasher.update(&first_block[..]);
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let mut next_offset = first_block.len();
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let mut put_curr_version_block = put_block_meta(
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&garage,
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&version,
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part_number,
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0,
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first_block_hash,
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first_block.len() as u64,
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);
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let mut put_curr_block = garage
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.block_manager
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.rpc_put_block(first_block_hash, first_block);
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loop {
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let (_, _, next_block) =
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futures::try_join!(put_curr_block, put_curr_version_block, chunker.next())?;
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if let Some(block) = next_block {
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md5hasher.update(&block[..]);
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sha256hasher.update(&block[..]);
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let block_hash = blake2sum(&block[..]);
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let block_len = block.len();
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put_curr_version_block = put_block_meta(
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&garage,
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&version,
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part_number,
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next_offset as u64,
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block_hash,
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block_len as u64,
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);
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put_curr_block = garage.block_manager.rpc_put_block(block_hash, block);
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next_offset += block_len;
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} else {
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break;
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}
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}
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let total_size = next_offset as u64;
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let data_md5sum = md5hasher.finalize();
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let data_sha256sum = sha256hasher.finalize();
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let data_sha256sum = Hash::try_from(&data_sha256sum[..]).unwrap();
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Ok((total_size, data_md5sum, data_sha256sum))
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}
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async fn put_block_meta(
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garage: &Garage,
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version: &Version,
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part_number: u64,
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offset: u64,
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hash: Hash,
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size: u64,
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) -> Result<(), GarageError> {
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let mut version = version.clone();
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version.blocks.put(
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VersionBlockKey {
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part_number,
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offset,
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},
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VersionBlock { hash, size },
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);
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let block_ref = BlockRef {
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block: hash,
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version: version.uuid,
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deleted: false.into(),
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};
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futures::try_join!(
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garage.version_table.insert(&version),
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garage.block_ref_table.insert(&block_ref),
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)?;
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Ok(())
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}
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/// Validate MD5 sum against content-md5 header
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/// and sha256sum against signed content-sha256
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fn ensure_checksum_matches(
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data_md5sum: &[u8],
|
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data_sha256sum: garage_util::data::FixedBytes32,
|
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content_md5: Option<&str>,
|
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content_sha256: Option<garage_util::data::FixedBytes32>,
|
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) -> Result<(), Error> {
|
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if let Some(expected_sha256) = content_sha256 {
|
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if expected_sha256 != data_sha256sum {
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return Err(Error::BadRequest(format!(
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"Unable to validate x-amz-content-sha256"
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)));
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} else {
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trace!("Successfully validated x-amz-content-sha256");
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}
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}
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if let Some(expected_md5) = content_md5 {
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if expected_md5.trim_matches('"') != base64::encode(data_md5sum) {
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return Err(Error::BadRequest(format!("Unable to validate content-md5")));
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} else {
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trace!("Successfully validated content-md5");
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}
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}
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Ok(())
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}
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|
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