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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
))
}
}
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