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-rw-r--r--src/api/k2v/error.rs135
1 files changed, 135 insertions, 0 deletions
diff --git a/src/api/k2v/error.rs b/src/api/k2v/error.rs
new file mode 100644
index 00000000..42491466
--- /dev/null
+++ b/src/api/k2v/error.rs
@@ -0,0 +1,135 @@
+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::helpers::CustomApiErrorBody;
+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,
+
+ /// Some base64 encoded data was badly encoded
+ #[error(display = "Invalid base64: {}", _0)]
+ InvalidBase64(#[error(source)] base64::DecodeError),
+
+ /// The client sent a header with invalid value
+ #[error(display = "Invalid header value: {}", _0)]
+ InvalidHeader(#[error(source)] hyper::header::ToStrError),
+
+ /// The client asked for an invalid return format (invalid Accept header)
+ #[error(display = "Not acceptable: {}", _0)]
+ NotAcceptable(String),
+
+ /// 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),
+}
+
+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::Common(CommonError::BadRequest(format!("{}", e))),
+ }
+ }
+}
+
+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 Error {
+ /// This returns a keyword for the corresponding error.
+ /// Here, these keywords are not necessarily those from AWS S3,
+ /// as we are building a custom API
+ fn code(&self) -> &'static str {
+ match self {
+ Error::Common(c) => c.aws_code(),
+ Error::NoSuchKey => "NoSuchKey",
+ Error::NotAcceptable(_) => "NotAcceptable",
+ Error::AuthorizationHeaderMalformed(_) => "AuthorizationHeaderMalformed",
+ Error::InvalidBase64(_) => "InvalidBase64",
+ Error::InvalidHeader(_) => "InvalidHeaderValue",
+ Error::InvalidUtf8Str(_) => "InvalidUtf8String",
+ }
+ }
+}
+
+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 => StatusCode::NOT_FOUND,
+ Error::NotAcceptable(_) => StatusCode::NOT_ACCEPTABLE,
+ Error::AuthorizationHeaderMalformed(_)
+ | Error::InvalidBase64(_)
+ | Error::InvalidHeader(_)
+ | Error::InvalidUtf8Str(_) => StatusCode::BAD_REQUEST,
+ }
+ }
+
+ fn add_http_headers(&self, header_map: &mut HeaderMap<HeaderValue>) {
+ use hyper::header;
+ header_map.append(header::CONTENT_TYPE, "application/json".parse().unwrap());
+ }
+
+ fn http_body(&self, garage_region: &str, path: &str) -> Body {
+ let error = CustomApiErrorBody {
+ code: self.code().to_string(),
+ message: format!("{}", self),
+ path: path.to_string(),
+ region: garage_region.to_string(),
+ };
+ Body::from(serde_json::to_string_pretty(&error).unwrap_or_else(|_| {
+ r#"
+{
+ "code": "InternalError",
+ "message": "JSON encoding of error failed"
+}
+ "#
+ .into()
+ }))
+ }
+}