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-rw-r--r--src/api/s3/error.rs210
1 files changed, 210 insertions, 0 deletions
diff --git a/src/api/s3/error.rs b/src/api/s3/error.rs
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+++ b/src/api/s3/error.rs
@@ -0,0 +1,210 @@
+use std::convert::TryInto;
+
+use err_derive::Error;
+use hyper::header::HeaderValue;
+use hyper::{Body, HeaderMap, StatusCode};
+
+use garage_model::helper::error::Error as HelperError;
+
+use crate::common_error::CommonError;
+pub use crate::common_error::{CommonErrorDerivative, OkOrBadRequest, OkOrInternalError};
+use crate::generic_server::ApiError;
+use crate::s3::xml as s3_xml;
+use crate::signature::error::Error as SignatureError;
+
+/// Errors of this crate
+#[derive(Debug, Error)]
+pub enum Error {
+ #[error(display = "{}", _0)]
+ /// Error from common error
+ Common(CommonError),
+
+ // Category: cannot process
+ /// Authorization Header Malformed
+ #[error(display = "Authorization header malformed, expected scope: {}", _0)]
+ AuthorizationHeaderMalformed(String),
+
+ /// The object requested don't exists
+ #[error(display = "Key not found")]
+ NoSuchKey,
+
+ /// The multipart upload requested don't exists
+ #[error(display = "Upload not found")]
+ NoSuchUpload,
+
+ /// Precondition failed (e.g. x-amz-copy-source-if-match)
+ #[error(display = "At least one of the preconditions you specified did not hold")]
+ PreconditionFailed,
+
+ /// Parts specified in CMU request do not match parts actually uploaded
+ #[error(display = "Parts given to CompleteMultipartUpload do not match uploaded parts")]
+ InvalidPart,
+
+ /// Parts given to CompleteMultipartUpload were not in ascending order
+ #[error(display = "Parts given to CompleteMultipartUpload were not in ascending order")]
+ InvalidPartOrder,
+
+ /// In CompleteMultipartUpload: not enough data
+ /// (here we are more lenient than AWS S3)
+ #[error(display = "Proposed upload is smaller than the minimum allowed object size")]
+ EntityTooSmall,
+
+ // Category: bad request
+ /// The request contained an invalid UTF-8 sequence in its path or in other parameters
+ #[error(display = "Invalid UTF-8: {}", _0)]
+ InvalidUtf8Str(#[error(source)] std::str::Utf8Error),
+
+ /// The request used an invalid path
+ #[error(display = "Invalid UTF-8: {}", _0)]
+ InvalidUtf8String(#[error(source)] std::string::FromUtf8Error),
+
+ /// The client sent invalid XML data
+ #[error(display = "Invalid XML: {}", _0)]
+ InvalidXml(String),
+
+ /// The client sent a header with invalid value
+ #[error(display = "Invalid header value: {}", _0)]
+ InvalidHeader(#[error(source)] hyper::header::ToStrError),
+
+ /// The client sent a range header with invalid value
+ #[error(display = "Invalid HTTP range: {:?}", _0)]
+ InvalidRange(#[error(from)] (http_range::HttpRangeParseError, u64)),
+
+ /// 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
+where
+ CommonError: From<T>,
+{
+ fn from(err: T) -> Self {
+ Error::Common(CommonError::from(err))
+ }
+}
+
+impl CommonErrorDerivative for Error {}
+
+impl From<HelperError> for Error {
+ fn from(err: HelperError) -> Self {
+ match err {
+ HelperError::Internal(i) => Self::Common(CommonError::InternalError(i)),
+ HelperError::BadRequest(b) => Self::Common(CommonError::BadRequest(b)),
+ HelperError::InvalidBucketName(n) => Self::Common(CommonError::InvalidBucketName(n)),
+ HelperError::NoSuchBucket(n) => Self::Common(CommonError::NoSuchBucket(n)),
+ e => Self::bad_request(format!("{}", e)),
+ }
+ }
+}
+
+impl From<roxmltree::Error> for Error {
+ fn from(err: roxmltree::Error) -> Self {
+ Self::InvalidXml(format!("{}", err))
+ }
+}
+
+impl From<quick_xml::de::DeError> for Error {
+ fn from(err: quick_xml::de::DeError) -> Self {
+ Self::InvalidXml(format!("{}", err))
+ }
+}
+
+impl From<SignatureError> for Error {
+ fn from(err: SignatureError) -> Self {
+ match err {
+ SignatureError::Common(c) => Self::Common(c),
+ SignatureError::AuthorizationHeaderMalformed(c) => {
+ Self::AuthorizationHeaderMalformed(c)
+ }
+ SignatureError::InvalidUtf8Str(i) => Self::InvalidUtf8Str(i),
+ SignatureError::InvalidHeader(h) => Self::InvalidHeader(h),
+ }
+ }
+}
+
+impl From<multer::Error> for Error {
+ fn from(err: multer::Error) -> Self {
+ Self::bad_request(err)
+ }
+}
+
+impl Error {
+ pub fn aws_code(&self) -> &'static str {
+ match self {
+ Error::Common(c) => c.aws_code(),
+ Error::NoSuchKey => "NoSuchKey",
+ Error::NoSuchUpload => "NoSuchUpload",
+ Error::PreconditionFailed => "PreconditionFailed",
+ Error::InvalidPart => "InvalidPart",
+ Error::InvalidPartOrder => "InvalidPartOrder",
+ Error::EntityTooSmall => "EntityTooSmall",
+ Error::AuthorizationHeaderMalformed(_) => "AuthorizationHeaderMalformed",
+ Error::NotImplemented(_) => "NotImplemented",
+ Error::InvalidXml(_) => "MalformedXML",
+ Error::InvalidRange(_) => "InvalidRange",
+ Error::InvalidUtf8Str(_) | Error::InvalidUtf8String(_) | Error::InvalidHeader(_) => {
+ "InvalidRequest"
+ }
+ }
+ }
+}
+
+impl ApiError for Error {
+ /// Get the HTTP status code that best represents the meaning of the error for the client
+ fn http_status_code(&self) -> StatusCode {
+ match self {
+ Error::Common(c) => c.http_status_code(),
+ Error::NoSuchKey | Error::NoSuchUpload => StatusCode::NOT_FOUND,
+ Error::PreconditionFailed => StatusCode::PRECONDITION_FAILED,
+ Error::InvalidRange(_) => StatusCode::RANGE_NOT_SATISFIABLE,
+ Error::NotImplemented(_) => StatusCode::NOT_IMPLEMENTED,
+ Error::AuthorizationHeaderMalformed(_)
+ | Error::InvalidPart
+ | Error::InvalidPartOrder
+ | Error::EntityTooSmall
+ | Error::InvalidXml(_)
+ | Error::InvalidUtf8Str(_)
+ | Error::InvalidUtf8String(_)
+ | Error::InvalidHeader(_) => StatusCode::BAD_REQUEST,
+ }
+ }
+
+ fn add_http_headers(&self, header_map: &mut HeaderMap<HeaderValue>) {
+ use hyper::header;
+
+ header_map.append(header::CONTENT_TYPE, "application/xml".parse().unwrap());
+
+ #[allow(clippy::single_match)]
+ match self {
+ Error::InvalidRange((_, len)) => {
+ header_map.append(
+ header::CONTENT_RANGE,
+ format!("bytes */{}", len)
+ .try_into()
+ .expect("header value only contain ascii"),
+ );
+ }
+ _ => (),
+ }
+ }
+
+ fn http_body(&self, garage_region: &str, path: &str) -> Body {
+ let error = s3_xml::Error {
+ code: s3_xml::Value(self.aws_code().to_string()),
+ message: s3_xml::Value(format!("{}", self)),
+ resource: Some(s3_xml::Value(path.to_string())),
+ region: Some(s3_xml::Value(garage_region.to_string())),
+ };
+ Body::from(s3_xml::to_xml_with_header(&error).unwrap_or_else(|_| {
+ r#"
+<?xml version="1.0" encoding="UTF-8"?>
+<Error>
+ <Code>InternalError</Code>
+ <Message>XML encoding of error failed</Message>
+</Error>
+ "#
+ .into()
+ }))
+ }
+}