87 lines
2.2 KiB
Rust
87 lines
2.2 KiB
Rust
use err_derive::Error;
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use hyper::header::HeaderValue;
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use hyper::{HeaderMap, StatusCode};
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pub use garage_model::helper::error::Error as HelperError;
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use crate::common_error::CommonError;
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pub use crate::common_error::{CommonErrorDerivative, OkOrBadRequest, OkOrInternalError};
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use crate::generic_server::ApiError;
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use crate::helpers::{BytesBody, CustomApiErrorBody};
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/// Errors of this crate
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#[derive(Debug, Error)]
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pub enum Error {
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#[error(display = "{}", _0)]
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/// Error from common error
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Common(CommonError),
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// Category: cannot process
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/// The API access key does not exist
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#[error(display = "Access key not found: {}", _0)]
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NoSuchAccessKey(String),
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/// In Import key, the key already exists
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#[error(
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display = "Key {} already exists in data store. Even if it is deleted, we can't let you create a new key with the same ID. Sorry.",
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_0
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)]
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KeyAlreadyExists(String),
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}
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impl<T> From<T> for Error
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where
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CommonError: From<T>,
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{
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fn from(err: T) -> Self {
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Error::Common(CommonError::from(err))
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}
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}
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impl CommonErrorDerivative for Error {}
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impl Error {
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fn code(&self) -> &'static str {
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match self {
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Error::Common(c) => c.aws_code(),
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Error::NoSuchAccessKey(_) => "NoSuchAccessKey",
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Error::KeyAlreadyExists(_) => "KeyAlreadyExists",
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}
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}
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}
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impl ApiError for Error {
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/// Get the HTTP status code that best represents the meaning of the error for the client
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fn http_status_code(&self) -> StatusCode {
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match self {
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Error::Common(c) => c.http_status_code(),
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Error::NoSuchAccessKey(_) => StatusCode::NOT_FOUND,
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Error::KeyAlreadyExists(_) => StatusCode::CONFLICT,
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}
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}
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fn add_http_headers(&self, header_map: &mut HeaderMap<HeaderValue>) {
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use hyper::header;
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header_map.append(header::CONTENT_TYPE, "application/json".parse().unwrap());
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}
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fn http_body(&self, garage_region: &str, path: &str) -> BytesBody {
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let error = CustomApiErrorBody {
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code: self.code().to_string(),
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message: format!("{}", self),
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path: path.to_string(),
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region: garage_region.to_string(),
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};
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let error_str = serde_json::to_string_pretty(&error).unwrap_or_else(|_| {
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r#"
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{
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"code": "InternalError",
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"message": "JSON encoding of error failed"
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}
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"#
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.into()
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});
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BytesBody::from(bytes::Bytes::from(error_str.into_bytes()))
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}
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}
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