forked from Deuxfleurs/garage
144 lines
3.8 KiB
Rust
144 lines
3.8 KiB
Rust
use err_derive::Error;
|
|
use hyper::StatusCode;
|
|
|
|
use garage_util::error::Error as GarageError;
|
|
|
|
/// Errors of this crate
|
|
#[derive(Debug, Error)]
|
|
pub enum Error {
|
|
// Category: internal error
|
|
/// Error related to deeper parts of Garage
|
|
#[error(display = "Internal error: {}", _0)]
|
|
InternalError(#[error(source)] GarageError),
|
|
|
|
/// Error related to Hyper
|
|
#[error(display = "Internal error (Hyper error): {}", _0)]
|
|
Hyper(#[error(source)] hyper::Error),
|
|
|
|
/// Error related to HTTP
|
|
#[error(display = "Internal error (HTTP error): {}", _0)]
|
|
HTTP(#[error(source)] http::Error),
|
|
|
|
// Category: cannot process
|
|
/// No proper api key was used, or the signature was invalid
|
|
#[error(display = "Forbidden: {}", _0)]
|
|
Forbidden(String),
|
|
|
|
/// The object requested don't exists
|
|
#[error(display = "Not found")]
|
|
NotFound,
|
|
|
|
// Category: bad request
|
|
/// The request used an invalid path
|
|
#[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),
|
|
|
|
/// Some base64 encoded data was badly encoded
|
|
#[error(display = "Invalid base64: {}", _0)]
|
|
InvalidBase64(#[error(source)] base64::DecodeError),
|
|
|
|
/// 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),
|
|
|
|
/// The client sent an invalid request
|
|
#[error(display = "Bad request: {}", _0)]
|
|
BadRequest(String),
|
|
}
|
|
|
|
impl From<roxmltree::Error> for Error {
|
|
fn from(err: roxmltree::Error) -> Self {
|
|
Self::InvalidXML(format!("{}", err))
|
|
}
|
|
}
|
|
|
|
impl Error {
|
|
/// Convert an error into an Http status code
|
|
pub fn http_status_code(&self) -> StatusCode {
|
|
match self {
|
|
Error::NotFound => StatusCode::NOT_FOUND,
|
|
Error::Forbidden(_) => StatusCode::FORBIDDEN,
|
|
Error::InternalError(GarageError::RPC(_)) => StatusCode::SERVICE_UNAVAILABLE,
|
|
Error::InternalError(_) | Error::Hyper(_) | Error::HTTP(_) => {
|
|
StatusCode::INTERNAL_SERVER_ERROR
|
|
}
|
|
_ => StatusCode::BAD_REQUEST,
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Trait to map error to the Bad Request error code
|
|
pub trait OkOrBadRequest {
|
|
type S2;
|
|
fn ok_or_bad_request(self, reason: &'static str) -> Self::S2;
|
|
}
|
|
|
|
impl<T, E> OkOrBadRequest for Result<T, E>
|
|
where
|
|
E: std::fmt::Display,
|
|
{
|
|
type S2 = Result<T, Error>;
|
|
fn ok_or_bad_request(self, reason: &'static str) -> Result<T, Error> {
|
|
match self {
|
|
Ok(x) => Ok(x),
|
|
Err(e) => Err(Error::BadRequest(format!("{}: {}", reason, e))),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T> OkOrBadRequest for Option<T> {
|
|
type S2 = Result<T, Error>;
|
|
fn ok_or_bad_request(self, reason: &'static str) -> Result<T, Error> {
|
|
match self {
|
|
Some(x) => Ok(x),
|
|
None => Err(Error::BadRequest(format!("{}", reason))),
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Trait to map an error to an Internal Error code
|
|
pub trait OkOrInternalError {
|
|
type S2;
|
|
fn ok_or_internal_error(self, reason: &'static str) -> Self::S2;
|
|
}
|
|
|
|
impl<T, E> OkOrInternalError for Result<T, E>
|
|
where
|
|
E: std::fmt::Display,
|
|
{
|
|
type S2 = Result<T, Error>;
|
|
fn ok_or_internal_error(self, reason: &'static str) -> Result<T, Error> {
|
|
match self {
|
|
Ok(x) => Ok(x),
|
|
Err(e) => Err(Error::InternalError(GarageError::Message(format!(
|
|
"{}: {}",
|
|
reason, e
|
|
)))),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T> OkOrInternalError for Option<T> {
|
|
type S2 = Result<T, Error>;
|
|
fn ok_or_internal_error(self, reason: &'static str) -> Result<T, Error> {
|
|
match self {
|
|
Some(x) => Ok(x),
|
|
None => Err(Error::InternalError(GarageError::Message(format!(
|
|
"{}",
|
|
reason
|
|
)))),
|
|
}
|
|
}
|
|
}
|