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Code Issues Releases Wiki Activity

move internalerror to actix web (#2215)

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This commit is contained in:
Rob Ede
2021-05-14 16:40:00 +01:00
committed by GitHub
parent f277b128b6
commit 2a8c650f2c
18 changed files with 456 additions and 397 deletions
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311
actix-http/src/error.rs
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@ -1,7 +1,6 @@
//! Error and Result module
use std::{
cell::RefCell,
error::Error as StdError,
fmt,
io::{self, Write as _},
@ -14,7 +13,7 @@ use derive_more::{Display, Error, From};
use http::{header, uri::InvalidUri, StatusCode};
use serde::de::value::Error as DeError;
use crate::{body::Body, helpers::Writer, Response, ResponseBuilder};
use crate::{body::Body, helpers::Writer, Response};
pub use http::Error as HttpError;
@ -121,20 +120,6 @@ impl<T: ResponseError + 'static> From<T> for Error {
}
}
/// Convert Response to a Error
impl From<Response<Body>> for Error {
fn from(res: Response<Body>) -> Error {
InternalError::from_response("", res).into()
}
}
/// Convert ResponseBuilder to a Error
impl From<ResponseBuilder> for Error {
fn from(mut res: ResponseBuilder) -> Error {
InternalError::from_response("", res.finish()).into()
}
}
#[derive(Debug, Display, Error)]
#[display(fmt = "Unknown Error")]
struct UnitError;
@ -449,179 +434,12 @@ mod content_type_test_impls {
}
}
/// Return `BadRequest` for `ContentTypeError`
impl ResponseError for ContentTypeError {
fn status_code(&self) -> StatusCode {
StatusCode::BAD_REQUEST
}
}
/// Helper type that can wrap any error and generate custom response.
///
/// In following example any `io::Error` will be converted into "BAD REQUEST"
/// response as opposite to *INTERNAL SERVER ERROR* which is defined by
/// default.
///
/// ```
/// # use std::io;
/// # use actix_http::{error, Request};
/// fn index(req: Request) -> Result<&'static str, actix_http::Error> {
/// Err(error::ErrorBadRequest(io::Error::new(io::ErrorKind::Other, "error")))
/// }
/// ```
pub struct InternalError<T> {
cause: T,
status: InternalErrorType,
}
enum InternalErrorType {
Status(StatusCode),
Response(RefCell<Option<Response<Body>>>),
}
impl<T> InternalError<T> {
/// Create `InternalError` instance
pub fn new(cause: T, status: StatusCode) -> Self {
InternalError {
cause,
status: InternalErrorType::Status(status),
}
}
/// Create `InternalError` with predefined `Response`.
pub fn from_response(cause: T, response: Response<Body>) -> Self {
InternalError {
cause,
status: InternalErrorType::Response(RefCell::new(Some(response))),
}
}
}
impl<T> fmt::Debug for InternalError<T>
where
T: fmt::Debug + 'static,
{
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(&self.cause, f)
}
}
impl<T> fmt::Display for InternalError<T>
where
T: fmt::Display + 'static,
{
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Display::fmt(&self.cause, f)
}
}
impl<T> ResponseError for InternalError<T>
where
T: fmt::Debug + fmt::Display + 'static,
{
fn status_code(&self) -> StatusCode {
match self.status {
InternalErrorType::Status(st) => st,
InternalErrorType::Response(ref resp) => {
if let Some(resp) = resp.borrow().as_ref() {
resp.head().status
} else {
StatusCode::INTERNAL_SERVER_ERROR
}
}
}
}
fn error_response(&self) -> Response<Body> {
match self.status {
InternalErrorType::Status(st) => {
let mut res = Response::new(st);
let mut buf = BytesMut::new();
let _ = write!(Writer(&mut buf), "{}", self);
res.headers_mut().insert(
header::CONTENT_TYPE,
header::HeaderValue::from_static("text/plain; charset=utf-8"),
);
res.set_body(Body::from(buf))
}
InternalErrorType::Response(ref resp) => {
if let Some(resp) = resp.borrow_mut().take() {
resp
} else {
Response::new(StatusCode::INTERNAL_SERVER_ERROR)
}
}
}
}
}
macro_rules! error_helper {
($name:ident, $status:ident) => {
paste::paste! {
#[doc = "Helper function that wraps any error and generates a `" $status "` response."]
#[allow(non_snake_case)]
pub fn $name<T>(err: T) -> Error
where
T: fmt::Debug + fmt::Display + 'static,
{
InternalError::new(err, StatusCode::$status).into()
}
}
}
}
error_helper!(ErrorBadRequest, BAD_REQUEST);
error_helper!(ErrorUnauthorized, UNAUTHORIZED);
error_helper!(ErrorPaymentRequired, PAYMENT_REQUIRED);
error_helper!(ErrorForbidden, FORBIDDEN);
error_helper!(ErrorNotFound, NOT_FOUND);
error_helper!(ErrorMethodNotAllowed, METHOD_NOT_ALLOWED);
error_helper!(ErrorNotAcceptable, NOT_ACCEPTABLE);
error_helper!(
ErrorProxyAuthenticationRequired,
PROXY_AUTHENTICATION_REQUIRED
);
error_helper!(ErrorRequestTimeout, REQUEST_TIMEOUT);
error_helper!(ErrorConflict, CONFLICT);
error_helper!(ErrorGone, GONE);
error_helper!(ErrorLengthRequired, LENGTH_REQUIRED);
error_helper!(ErrorPayloadTooLarge, PAYLOAD_TOO_LARGE);
error_helper!(ErrorUriTooLong, URI_TOO_LONG);
error_helper!(ErrorUnsupportedMediaType, UNSUPPORTED_MEDIA_TYPE);
error_helper!(ErrorRangeNotSatisfiable, RANGE_NOT_SATISFIABLE);
error_helper!(ErrorImATeapot, IM_A_TEAPOT);
error_helper!(ErrorMisdirectedRequest, MISDIRECTED_REQUEST);
error_helper!(ErrorUnprocessableEntity, UNPROCESSABLE_ENTITY);
error_helper!(ErrorLocked, LOCKED);
error_helper!(ErrorFailedDependency, FAILED_DEPENDENCY);
error_helper!(ErrorUpgradeRequired, UPGRADE_REQUIRED);
error_helper!(ErrorPreconditionFailed, PRECONDITION_FAILED);
error_helper!(ErrorPreconditionRequired, PRECONDITION_REQUIRED);
error_helper!(ErrorTooManyRequests, TOO_MANY_REQUESTS);
error_helper!(
ErrorRequestHeaderFieldsTooLarge,
REQUEST_HEADER_FIELDS_TOO_LARGE
);
error_helper!(
ErrorUnavailableForLegalReasons,
UNAVAILABLE_FOR_LEGAL_REASONS
);
error_helper!(ErrorExpectationFailed, EXPECTATION_FAILED);
error_helper!(ErrorInternalServerError, INTERNAL_SERVER_ERROR);
error_helper!(ErrorNotImplemented, NOT_IMPLEMENTED);
error_helper!(ErrorBadGateway, BAD_GATEWAY);
error_helper!(ErrorServiceUnavailable, SERVICE_UNAVAILABLE);
error_helper!(ErrorGatewayTimeout, GATEWAY_TIMEOUT);
error_helper!(ErrorHttpVersionNotSupported, HTTP_VERSION_NOT_SUPPORTED);
error_helper!(ErrorVariantAlsoNegotiates, VARIANT_ALSO_NEGOTIATES);
error_helper!(ErrorInsufficientStorage, INSUFFICIENT_STORAGE);
error_helper!(ErrorLoopDetected, LOOP_DETECTED);
error_helper!(ErrorNotExtended, NOT_EXTENDED);
error_helper!(
ErrorNetworkAuthenticationRequired,
NETWORK_AUTHENTICATION_REQUIRED
);
#[cfg(test)]
mod tests {
use super::*;
@ -718,13 +536,6 @@ mod tests {
from!(httparse::Error::Version => ParseError::Version);
}
#[test]
fn test_internal_error() {
let err = InternalError::from_response(ParseError::Method, Response::ok());
let resp: Response<Body> = err.error_response();
assert_eq!(resp.status(), StatusCode::OK);
}
#[test]
fn test_error_casting() {
let err = PayloadError::Overflow;
@ -734,124 +545,4 @@ mod tests {
let not_err = resp_err.downcast_ref::<ContentTypeError>();
assert!(not_err.is_none());
}
#[test]
fn test_error_helpers() {
let res: Response<Body> = ErrorBadRequest("err").into();
assert_eq!(res.status(), StatusCode::BAD_REQUEST);
let res: Response<Body> = ErrorUnauthorized("err").into();
assert_eq!(res.status(), StatusCode::UNAUTHORIZED);
let res: Response<Body> = ErrorPaymentRequired("err").into();
assert_eq!(res.status(), StatusCode::PAYMENT_REQUIRED);
let res: Response<Body> = ErrorForbidden("err").into();
assert_eq!(res.status(), StatusCode::FORBIDDEN);
let res: Response<Body> = ErrorNotFound("err").into();
assert_eq!(res.status(), StatusCode::NOT_FOUND);
let res: Response<Body> = ErrorMethodNotAllowed("err").into();
assert_eq!(res.status(), StatusCode::METHOD_NOT_ALLOWED);
let res: Response<Body> = ErrorNotAcceptable("err").into();
assert_eq!(res.status(), StatusCode::NOT_ACCEPTABLE);
let res: Response<Body> = ErrorProxyAuthenticationRequired("err").into();
assert_eq!(res.status(), StatusCode::PROXY_AUTHENTICATION_REQUIRED);
let res: Response<Body> = ErrorRequestTimeout("err").into();
assert_eq!(res.status(), StatusCode::REQUEST_TIMEOUT);
let res: Response<Body> = ErrorConflict("err").into();
assert_eq!(res.status(), StatusCode::CONFLICT);
let res: Response<Body> = ErrorGone("err").into();
assert_eq!(res.status(), StatusCode::GONE);
let res: Response<Body> = ErrorLengthRequired("err").into();
assert_eq!(res.status(), StatusCode::LENGTH_REQUIRED);
let res: Response<Body> = ErrorPreconditionFailed("err").into();
assert_eq!(res.status(), StatusCode::PRECONDITION_FAILED);
let res: Response<Body> = ErrorPayloadTooLarge("err").into();
assert_eq!(res.status(), StatusCode::PAYLOAD_TOO_LARGE);
let res: Response<Body> = ErrorUriTooLong("err").into();
assert_eq!(res.status(), StatusCode::URI_TOO_LONG);
let res: Response<Body> = ErrorUnsupportedMediaType("err").into();
assert_eq!(res.status(), StatusCode::UNSUPPORTED_MEDIA_TYPE);
let res: Response<Body> = ErrorRangeNotSatisfiable("err").into();
assert_eq!(res.status(), StatusCode::RANGE_NOT_SATISFIABLE);
let res: Response<Body> = ErrorExpectationFailed("err").into();
assert_eq!(res.status(), StatusCode::EXPECTATION_FAILED);
let res: Response<Body> = ErrorImATeapot("err").into();
assert_eq!(res.status(), StatusCode::IM_A_TEAPOT);
let res: Response<Body> = ErrorMisdirectedRequest("err").into();
assert_eq!(res.status(), StatusCode::MISDIRECTED_REQUEST);
let res: Response<Body> = ErrorUnprocessableEntity("err").into();
assert_eq!(res.status(), StatusCode::UNPROCESSABLE_ENTITY);
let res: Response<Body> = ErrorLocked("err").into();
assert_eq!(res.status(), StatusCode::LOCKED);
let res: Response<Body> = ErrorFailedDependency("err").into();
assert_eq!(res.status(), StatusCode::FAILED_DEPENDENCY);
let res: Response<Body> = ErrorUpgradeRequired("err").into();
assert_eq!(res.status(), StatusCode::UPGRADE_REQUIRED);
let res: Response<Body> = ErrorPreconditionRequired("err").into();
assert_eq!(res.status(), StatusCode::PRECONDITION_REQUIRED);
let res: Response<Body> = ErrorTooManyRequests("err").into();
assert_eq!(res.status(), StatusCode::TOO_MANY_REQUESTS);
let res: Response<Body> = ErrorRequestHeaderFieldsTooLarge("err").into();
assert_eq!(res.status(), StatusCode::REQUEST_HEADER_FIELDS_TOO_LARGE);
let res: Response<Body> = ErrorUnavailableForLegalReasons("err").into();
assert_eq!(res.status(), StatusCode::UNAVAILABLE_FOR_LEGAL_REASONS);
let res: Response<Body> = ErrorInternalServerError("err").into();
assert_eq!(res.status(), StatusCode::INTERNAL_SERVER_ERROR);
let res: Response<Body> = ErrorNotImplemented("err").into();
assert_eq!(res.status(), StatusCode::NOT_IMPLEMENTED);
let res: Response<Body> = ErrorBadGateway("err").into();
assert_eq!(res.status(), StatusCode::BAD_GATEWAY);
let res: Response<Body> = ErrorServiceUnavailable("err").into();
assert_eq!(res.status(), StatusCode::SERVICE_UNAVAILABLE);
let res: Response<Body> = ErrorGatewayTimeout("err").into();
assert_eq!(res.status(), StatusCode::GATEWAY_TIMEOUT);
let res: Response<Body> = ErrorHttpVersionNotSupported("err").into();
assert_eq!(res.status(), StatusCode::HTTP_VERSION_NOT_SUPPORTED);
let res: Response<Body> = ErrorVariantAlsoNegotiates("err").into();
assert_eq!(res.status(), StatusCode::VARIANT_ALSO_NEGOTIATES);
let res: Response<Body> = ErrorInsufficientStorage("err").into();
assert_eq!(res.status(), StatusCode::INSUFFICIENT_STORAGE);
let res: Response<Body> = ErrorLoopDetected("err").into();
assert_eq!(res.status(), StatusCode::LOOP_DETECTED);
let res: Response<Body> = ErrorNotExtended("err").into();
assert_eq!(res.status(), StatusCode::NOT_EXTENDED);
let res: Response<Body> = ErrorNetworkAuthenticationRequired("err").into();
assert_eq!(res.status(), StatusCode::NETWORK_AUTHENTICATION_REQUIRED);
}
}