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-rw-r--r--src/web/error.rs55
1 files changed, 55 insertions, 0 deletions
diff --git a/src/web/error.rs b/src/web/error.rs
new file mode 100644
index 00000000..220bacfe
--- /dev/null
+++ b/src/web/error.rs
@@ -0,0 +1,55 @@
+use err_derive::Error;
+use hyper::StatusCode;
+
+use garage_util::error::Error as GarageError;
+
+#[derive(Debug, Error)]
+pub enum Error {
+ #[error(display = "API error: {}", _0)]
+ ApiError(#[error(source)] garage_api::error::Error),
+
+ // Category: internal error
+ #[error(display = "Internal error: {}", _0)]
+ InternalError(#[error(source)] GarageError),
+
+ #[error(display = "Internal error (Hyper error): {}", _0)]
+ Hyper(#[error(source)] hyper::Error),
+
+ #[error(display = "Internal error (HTTP error): {}", _0)]
+ HTTP(#[error(source)] http::Error),
+
+ // Category: cannot process
+ #[error(display = "Forbidden: {}", _0)]
+ Forbidden(String),
+
+ #[error(display = "Not found")]
+ NotFound,
+
+ // Category: bad request
+ #[error(display = "Invalid UTF-8: {}", _0)]
+ InvalidUTF8(#[error(source)] std::str::Utf8Error),
+
+ #[error(display = "Invalid XML: {}", _0)]
+ InvalidXML(#[error(source)] roxmltree::Error),
+
+ #[error(display = "Invalid header value: {}", _0)]
+ InvalidHeader(#[error(source)] hyper::header::ToStrError),
+
+ #[error(display = "Bad request: {}", _0)]
+ BadRequest(String),
+}
+
+impl Error {
+ pub fn http_status_code(&self) -> StatusCode {
+ match self {
+ Error::NotFound => StatusCode::NOT_FOUND,
+ Error::ApiError(e) => e.http_status_code(),
+ Error::Forbidden(_) => StatusCode::FORBIDDEN,
+ Error::InternalError(GarageError::RPC(_)) => StatusCode::SERVICE_UNAVAILABLE,
+ Error::InternalError(_) | Error::Hyper(_) | Error::HTTP(_) => {
+ StatusCode::INTERNAL_SERVER_ERROR
+ }
+ _ => StatusCode::BAD_REQUEST,
+ }
+ }
+}