mirror of
https://gitlab.com/pulsechaincom/lighthouse-pulse.git
synced 2025-01-19 10:14:14 +00:00
fc5e6cbbb0
## Issue Addressed https://github.com/sigp/lighthouse/issues/1177 ## Proposed Changes Add a command line option (`--http-allow-origin`) and a config item for configuring the `Access-Control-Allow-Origin` response header. This should unblock making XMLHttpRequests.
100 lines
3.3 KiB
Rust
100 lines
3.3 KiB
Rust
use hyper::{Body, Response, StatusCode};
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use std::error::Error as StdError;
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#[derive(PartialEq, Debug, Clone)]
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pub enum ApiError {
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MethodNotAllowed(String),
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ServerError(String),
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NotImplemented(String),
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BadRequest(String),
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NotFound(String),
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UnsupportedType(String),
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ImATeapot(String), // Just in case.
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ProcessingError(String), // A 202 error, for when a block/attestation cannot be processed, but still transmitted.
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InvalidHeaderValue(String),
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}
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pub type ApiResult = Result<Response<Body>, ApiError>;
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impl ApiError {
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pub fn status_code(self) -> (StatusCode, String) {
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match self {
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ApiError::MethodNotAllowed(desc) => (StatusCode::METHOD_NOT_ALLOWED, desc),
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ApiError::ServerError(desc) => (StatusCode::INTERNAL_SERVER_ERROR, desc),
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ApiError::NotImplemented(desc) => (StatusCode::NOT_IMPLEMENTED, desc),
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ApiError::BadRequest(desc) => (StatusCode::BAD_REQUEST, desc),
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ApiError::NotFound(desc) => (StatusCode::NOT_FOUND, desc),
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ApiError::UnsupportedType(desc) => (StatusCode::UNSUPPORTED_MEDIA_TYPE, desc),
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ApiError::ImATeapot(desc) => (StatusCode::IM_A_TEAPOT, desc),
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ApiError::ProcessingError(desc) => (StatusCode::ACCEPTED, desc),
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ApiError::InvalidHeaderValue(desc) => (StatusCode::INTERNAL_SERVER_ERROR, desc),
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}
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}
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}
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impl Into<Response<Body>> for ApiError {
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fn into(self) -> Response<Body> {
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let (status_code, desc) = self.status_code();
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Response::builder()
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.status(status_code)
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.header("content-type", "text/plain; charset=utf-8")
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.body(Body::from(desc))
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.expect("Response should always be created.")
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}
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}
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impl From<store::Error> for ApiError {
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fn from(e: store::Error) -> ApiError {
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ApiError::ServerError(format!("Database error: {:?}", e))
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}
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}
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impl From<types::BeaconStateError> for ApiError {
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fn from(e: types::BeaconStateError) -> ApiError {
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ApiError::ServerError(format!("BeaconState error: {:?}", e))
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}
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}
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impl From<beacon_chain::BeaconChainError> for ApiError {
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fn from(e: beacon_chain::BeaconChainError) -> ApiError {
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ApiError::ServerError(format!("BeaconChainError error: {:?}", e))
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}
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}
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impl From<state_processing::per_slot_processing::Error> for ApiError {
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fn from(e: state_processing::per_slot_processing::Error) -> ApiError {
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ApiError::ServerError(format!("PerSlotProcessing error: {:?}", e))
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}
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}
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impl From<hyper::error::Error> for ApiError {
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fn from(e: hyper::error::Error) -> ApiError {
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ApiError::ServerError(format!("Networking error: {:?}", e))
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}
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}
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impl From<std::io::Error> for ApiError {
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fn from(e: std::io::Error) -> ApiError {
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ApiError::ServerError(format!("IO error: {:?}", e))
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}
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}
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impl From<hyper::header::InvalidHeaderValue> for ApiError {
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fn from(e: hyper::header::InvalidHeaderValue) -> ApiError {
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ApiError::InvalidHeaderValue(format!("Invalid CORS header value: {:?}", e))
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}
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}
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impl StdError for ApiError {
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fn cause(&self) -> Option<&dyn StdError> {
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None
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}
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}
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impl std::fmt::Display for ApiError {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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let status = self.clone().status_code();
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write!(f, "{:?}: {:?}", status.0, status.1)
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}
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}
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