95 lines
2.7 KiB
Rust
95 lines
2.7 KiB
Rust
use err_derive::Error;
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use hyper::header::HeaderValue;
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use hyper::{Body, HeaderMap, StatusCode};
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use garage_model::helper::error::Error as HelperError;
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use garage_util::error::Error as GarageError;
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use crate::generic_server::ApiError;
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pub use crate::common_error::*;
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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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CommonError(CommonError),
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// Category: cannot process
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/// No proper api key was used, or the signature was invalid
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#[error(display = "Forbidden: {}", _0)]
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Forbidden(String),
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/// The API access key does not exist
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#[error(display = "Access key not found")]
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NoSuchAccessKey,
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/// The bucket requested don't exists
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#[error(display = "Bucket not found")]
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NoSuchBucket,
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/// Tried to create a bucket that already exist
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#[error(display = "Bucket already exists")]
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BucketAlreadyExists,
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/// Tried to delete a non-empty bucket
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#[error(display = "Tried to delete a non-empty bucket")]
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BucketNotEmpty,
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// Category: bad request
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/// Bucket name is not valid according to AWS S3 specs
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#[error(display = "Invalid bucket name")]
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InvalidBucketName,
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/// The client sent a request for an action not supported by garage
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#[error(display = "Unimplemented action: {}", _0)]
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NotImplemented(String),
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}
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impl<T> From<T> for Error
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where CommonError: From<T> {
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fn from(err: T) -> Self {
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Error::CommonError(CommonError::from(err))
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}
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}
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impl From<HelperError> for Error {
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fn from(err: HelperError) -> Self {
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match err {
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HelperError::Internal(i) => Self::CommonError(CommonError::InternalError(i)),
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HelperError::BadRequest(b) => Self::CommonError(CommonError::BadRequest(b)),
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HelperError::InvalidBucketName(_) => Self::InvalidBucketName,
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HelperError::NoSuchAccessKey(_) => Self::NoSuchAccessKey,
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HelperError::NoSuchBucket(_) => Self::NoSuchBucket,
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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::CommonError(c) => c.http_status_code(),
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Error::NoSuchAccessKey | Error::NoSuchBucket => StatusCode::NOT_FOUND,
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Error::BucketNotEmpty | Error::BucketAlreadyExists => StatusCode::CONFLICT,
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Error::Forbidden(_) => StatusCode::FORBIDDEN,
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Error::NotImplemented(_) => StatusCode::NOT_IMPLEMENTED,
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Error::InvalidBucketName => StatusCode::BAD_REQUEST,
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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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// nothing
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}
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fn http_body(&self, garage_region: &str, path: &str) -> Body {
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Body::from(format!("ERROR: {}\n\ngarage region: {}\npath: {}", self, garage_region, path))
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}
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}
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impl Error {
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pub fn bad_request<M: ToString>(msg: M) -> Self {
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Self::CommonError(CommonError::BadRequest(msg.to_string()))
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}
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}
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