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More error refactoring

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This commit is contained in:
Alex 2022-05-13 15:21:32 +02:00
parent f82b938033
commit 7a5d329e49
Signed by untrusted user: lx
GPG key ID: 0E496D15096376BE
12 changed files with 37 additions and 54 deletions
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4
src/api/admin/bucket.rs
View file

@ -18,7 +18,7 @@ use garage_model::s3::object_table::ObjectFilter;
use crate::admin::error::*;
use crate::admin::key::ApiBucketKeyPerm;
use crate::admin::parse_json_body;
use crate::helpers::parse_json_body;
pub async fn handle_list_buckets(garage: &Arc<Garage>) -> Result<Response<Body>, Error> {
let buckets = garage
@ -333,7 +333,7 @@ pub async fn handle_delete_bucket(
)
.await?;
if !objects.is_empty() {
return Err(Error::bad_request("Bucket is not empty"));
return Err(Error::BucketNotEmpty);
}
// --- done checking, now commit ---

2
src/api/admin/cluster.rs
View file

@ -14,7 +14,7 @@ use garage_rpc::layout::*;
use garage_model::garage::Garage;
use crate::admin::error::*;
use crate::admin::parse_json_body;
use crate::helpers::parse_json_body;
pub async fn handle_get_cluster_status(garage: &Arc<Garage>) -> Result<Response<Body>, Error> {
let res = GetClusterStatusResponse {

5
src/api/admin/error.rs
View file

@ -40,10 +40,6 @@ pub enum Error {
/// Bucket name is not valid according to AWS S3 specs
#[error(display = "Invalid bucket name")]
InvalidBucketName,
/// The client sent a request for an action not supported by garage
#[error(display = "Unimplemented action: {}", _0)]
NotImplemented(String),
}
impl<T> From<T> for Error
@ -75,7 +71,6 @@ impl ApiError for Error {
Error::NoSuchAccessKey | Error::NoSuchBucket => StatusCode::NOT_FOUND,
Error::BucketNotEmpty | Error::BucketAlreadyExists => StatusCode::CONFLICT,
Error::Forbidden(_) => StatusCode::FORBIDDEN,
Error::NotImplemented(_) => StatusCode::NOT_IMPLEMENTED,
Error::InvalidBucketName => StatusCode::BAD_REQUEST,
}
}

2
src/api/admin/key.rs
View file

@ -12,7 +12,7 @@ use garage_model::garage::Garage;
use garage_model::key_table::*;
use crate::admin::error::*;
use crate::admin::parse_json_body;
use crate::helpers::parse_json_body;
pub async fn handle_list_keys(garage: &Arc<Garage>) -> Result<Response<Body>, Error> {
let res = garage

11
src/api/admin/mod.rs
View file

@ -5,14 +5,3 @@ mod router;
mod bucket;
mod cluster;
mod key;
use hyper::{Body, Request};
use serde::Deserialize;
use error::*;
pub async fn parse_json_body<T: for<'de> Deserialize<'de>>(req: Request<Body>) -> Result<T, Error> {
let body = hyper::body::to_bytes(req.into_body()).await?;
let resp: T = serde_json::from_slice(&body).ok_or_bad_request("Invalid JSON")?;
Ok(resp)
}

5
src/api/common_error.rs
View file

@ -38,6 +38,11 @@ impl CommonError {
CommonError::BadRequest(_) => StatusCode::BAD_REQUEST,
}
}
pub fn bad_request<M: ToString>(msg: M) -> Self {
CommonError::BadRequest(msg.to_string())
}
}
/// Trait to map error to the Bad Request error code

29
src/api/helpers.rs
View file

@ -2,12 +2,7 @@ use hyper::{Body, Request};
use idna::domain_to_unicode;
use serde::Deserialize;
use garage_util::data::*;
use garage_model::garage::Garage;
use garage_model::key_table::Key;
use crate::s3::error::*;
use crate::common_error::{*, CommonError as Error};
/// What kind of authorization is required to perform a given action
#[derive(Debug, Clone, PartialEq, Eq)]
@ -81,28 +76,6 @@ pub fn authority_to_host(authority: &str) -> Result<String, Error> {
authority.map(|h| domain_to_unicode(h).0)
}
#[allow(clippy::ptr_arg)]
pub async fn resolve_bucket(
garage: &Garage,
bucket_name: &String,
api_key: &Key,
) -> Result<Uuid, Error> {
let api_key_params = api_key
.state
.as_option()
.ok_or_internal_error("Key should not be deleted at this point")?;
if let Some(Some(bucket_id)) = api_key_params.local_aliases.get(bucket_name) {
Ok(*bucket_id)
} else {
Ok(garage
.bucket_helper()
.resolve_global_bucket_name(bucket_name)
.await?
.ok_or(Error::NoSuchBucket)?)
}
}
/// Extract the bucket name and the key name from an HTTP path and possibly a bucket provided in
/// the host header of the request
///

2
src/api/k2v/api_server.rs
View file

@ -100,7 +100,7 @@ impl ApiHandler for K2VApiServer {
"k2v",
)?;
let bucket_id = resolve_bucket(&garage, &bucket_name, &api_key).await?;
let bucket_id = garage.bucket_helper().resolve_bucket(&bucket_name, &api_key).await?;
let bucket = garage
.bucket_table
.get(&EmptyKey, &bucket_id)

2
src/api/s3/api_server.rs
View file

@ -149,7 +149,7 @@ impl ApiHandler for S3ApiServer {
return handle_create_bucket(&garage, req, content_sha256, api_key, bucket_name).await;
}
let bucket_id = resolve_bucket(&garage, &bucket_name, &api_key).await?;
let bucket_id = garage.bucket_helper().resolve_bucket(&bucket_name, &api_key).await?;
let bucket = garage
.bucket_table
.get(&EmptyKey, &bucket_id)

4
src/api/s3/copy.rs
View file

@ -19,7 +19,7 @@ use garage_model::s3::object_table::*;
use garage_model::s3::version_table::*;
use crate::s3::error::*;
use crate::helpers::{parse_bucket_key, resolve_bucket};
use crate::helpers::{parse_bucket_key};
use crate::s3::put::{decode_upload_id, get_headers};
use crate::s3::xml::{self as s3_xml, xmlns_tag};
@ -413,7 +413,7 @@ async fn get_copy_source(
let copy_source = percent_encoding::percent_decode_str(copy_source).decode_utf8()?;
let (source_bucket, source_key) = parse_bucket_key(&copy_source, None)?;
let source_bucket_id = resolve_bucket(garage, &source_bucket.to_string(), api_key).await?;
let source_bucket_id = garage.bucket_helper().resolve_bucket(&source_bucket.to_string(), api_key).await?;
if !api_key.allow_read(&source_bucket_id) {
return Err(Error::Forbidden(format!(

3
src/api/s3/post_object.rs
View file

@ -15,7 +15,6 @@ use serde::Deserialize;
use garage_model::garage::Garage;
use crate::s3::error::*;
use crate::helpers::resolve_bucket;
use crate::s3::put::{get_headers, save_stream};
use crate::s3::xml as s3_xml;
use crate::signature::payload::{parse_date, verify_v4};
@ -129,7 +128,7 @@ pub async fn handle_post_object(
)
.await?;
let bucket_id = resolve_bucket(&garage, &bucket, &api_key).await?;
let bucket_id = garage.bucket_helper().resolve_bucket(&bucket, &api_key).await?;
if !api_key.allow_write(&bucket_id) {
return Err(Error::Forbidden(

22
src/model/helper/bucket.rs
View file

@ -6,6 +6,7 @@ use garage_util::time::*;
use crate::bucket_alias_table::*;
use crate::bucket_table::*;
use crate::key_table::*;
use crate::garage::Garage;
use crate::helper::error::*;
use crate::helper::key::KeyHelper;
@ -49,6 +50,27 @@ impl<'a> BucketHelper<'a> {
}
}
#[allow(clippy::ptr_arg)]
pub async fn resolve_bucket(
&self,
bucket_name: &String,
api_key: &Key,
) -> Result<Uuid, Error> {
let api_key_params = api_key
.state
.as_option()
.ok_or_message("Key should not be deleted at this point")?;
if let Some(Some(bucket_id)) = api_key_params.local_aliases.get(bucket_name) {
Ok(*bucket_id)
} else {
Ok(self.
resolve_global_bucket_name(bucket_name)
.await?
.ok_or_else(|| Error::NoSuchBucket(bucket_name.to_string()))?)
}
}
/// Returns a Bucket if it is present in bucket table,
/// even if it is in deleted state. Querying a non-existing
/// bucket ID returns an internal error.