1 files changed, 118 insertions, 0 deletions
diff --git a/src/api/k2v/error.rs b/src/api/k2v/error.rs
new file mode 100644
index 00000000..6b9e81e6
--- /dev/null
+++ b/src/api/k2v/error.rs
@@ -0,0 +1,118 @@
+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::{OkOrBadRequest, OkOrInternalError};
+use crate::generic_server::ApiError;
+use crate::signature::error::Error as SignatureError;
+
+/// Errors of this crate
+#[derive(Debug, Error)]
+pub enum Error {
+	#[error(display = "{}", _0)]
+	/// Error from common error
+	CommonError(CommonError),
+
+	// Category: cannot process
+	/// No proper api key was used, or the signature was invalid
+	#[error(display = "Forbidden: {}", _0)]
+	Forbidden(String),
+
+	/// 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 bucket requested don't exists
+	#[error(display = "Bucket not found")]
+	NoSuchBucket,
+
+	/// 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::CommonError(CommonError::from(err))
+	}
+}
+
+impl From<HelperError> for Error {
+	fn from(err: HelperError) -> Self {
+		match err {
+			HelperError::Internal(i) => Self::CommonError(CommonError::InternalError(i)),
+			HelperError::BadRequest(b) => Self::CommonError(CommonError::BadRequest(b)),
+			e => Self::CommonError(CommonError::BadRequest(format!("{}", e))),
+		}
+	}
+}
+
+impl From<SignatureError> for Error {
+	fn from(err: SignatureError) -> Self {
+		match err {
+			SignatureError::CommonError(c) => Self::CommonError(c),
+			SignatureError::AuthorizationHeaderMalformed(c) => Self::AuthorizationHeaderMalformed(c),
+			SignatureError::Forbidden(f) => Self::Forbidden(f),
+			SignatureError::InvalidUtf8Str(i) => Self::InvalidUtf8Str(i),
+			SignatureError::InvalidHeader(h) => Self::InvalidHeader(h),
+		}
+	}
+}
+
+impl Error {
+	//pub fn internal_error<M: ToString>(msg: M) -> Self {
+	//	Self::CommonError(CommonError::InternalError(GarageError::Message(
+	//		msg.to_string(),
+	//	)))
+	//}
+
+	pub fn bad_request<M: ToString>(msg: M) -> Self {
+		Self::CommonError(CommonError::BadRequest(msg.to_string()))
+	}
+}
+
+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::CommonError(c) => c.http_status_code(),
+			Error::NoSuchKey | Error::NoSuchBucket => StatusCode::NOT_FOUND,
+			Error::Forbidden(_) => StatusCode::FORBIDDEN,
+			Error::NotAcceptable(_) => StatusCode::NOT_ACCEPTABLE,
+			_ => StatusCode::BAD_REQUEST,
+		}
+	}
+
+	fn add_http_headers(&self, _header_map: &mut HeaderMap<HeaderValue>) {
+		// nothing
+	}
+
+	fn http_body(&self, garage_region: &str, path: &str) -> Body {
+		Body::from(format!(
+			"ERROR: {}\n\ngarage region: {}\npath: {}",
+			self, garage_region, path
+		))
+	}
+}