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https://git.asonix.dog/asonix/pict-rs
synced 2024-12-22 11:21:24 +00:00
Move internal middleware into own file
This commit is contained in:
parent
e3462f6664
commit
4bb9d81f51
2 changed files with 106 additions and 107 deletions
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@ -1,114 +1,9 @@
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mod deadline;
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mod internal;
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mod metrics;
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mod payload;
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use actix_web::{
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dev::{Service, ServiceRequest, Transform},
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http::StatusCode,
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HttpResponse, ResponseError,
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};
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use std::{
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future::{ready, Future, Ready},
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pin::Pin,
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task::{Context, Poll},
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};
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pub(crate) use self::deadline::Deadline;
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pub(crate) use self::internal::Internal;
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pub(crate) use self::metrics::Metrics;
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pub(crate) use self::payload::Payload;
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pub(crate) struct Internal(pub(crate) Option<String>);
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pub(crate) struct InternalMiddleware<S>(Option<String>, S);
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#[derive(Clone, Debug, thiserror::Error)]
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#[error("Invalid API Key")]
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pub(crate) struct ApiError;
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pin_project_lite::pin_project! {
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#[project = InternalFutureProj]
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#[project_replace = InternalFutureProjReplace]
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pub(crate) enum InternalFuture<F> {
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Internal {
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#[pin]
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future: F,
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},
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Error {
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error: Option<ApiError>,
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},
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}
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}
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impl ResponseError for ApiError {
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fn status_code(&self) -> StatusCode {
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StatusCode::UNAUTHORIZED
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}
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fn error_response(&self) -> HttpResponse {
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HttpResponse::build(self.status_code())
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.content_type("application/json")
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.body(
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serde_json::to_string(&serde_json::json!({ "msg": self.to_string() }))
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.unwrap_or_else(|_| r#"{"msg":"unauthorized"}"#.to_string()),
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)
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}
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}
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impl<S> Transform<S, ServiceRequest> for Internal
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where
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S: Service<ServiceRequest, Error = actix_web::Error>,
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S::Future: 'static,
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{
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type Response = S::Response;
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type Error = S::Error;
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type InitError = ();
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type Transform = InternalMiddleware<S>;
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type Future = Ready<Result<Self::Transform, Self::InitError>>;
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fn new_transform(&self, service: S) -> Self::Future {
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ready(Ok(InternalMiddleware(self.0.clone(), service)))
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}
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}
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impl<S> Service<ServiceRequest> for InternalMiddleware<S>
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where
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S: Service<ServiceRequest, Error = actix_web::Error>,
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S::Future: 'static,
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{
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type Response = S::Response;
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type Error = S::Error;
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type Future = InternalFuture<S::Future>;
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fn poll_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
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self.1.poll_ready(cx)
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}
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fn call(&self, req: ServiceRequest) -> Self::Future {
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if let Some(value) = req.headers().get("x-api-token") {
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if let (Ok(header), Some(api_key)) = (value.to_str(), &self.0) {
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if header == api_key {
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return InternalFuture::Internal {
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future: self.1.call(req),
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};
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}
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}
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}
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InternalFuture::Error {
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error: Some(ApiError),
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}
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}
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}
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impl<F, T, E> Future for InternalFuture<F>
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where
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F: Future<Output = Result<T, E>>,
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E: From<ApiError>,
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{
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type Output = F::Output;
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fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
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match self.as_mut().project() {
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InternalFutureProj::Internal { future } => future.poll(cx),
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InternalFutureProj::Error { error } => Poll::Ready(Err(error.take().unwrap().into())),
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}
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}
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}
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104
src/middleware/internal.rs
Normal file
104
src/middleware/internal.rs
Normal file
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@ -0,0 +1,104 @@
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use actix_web::{
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dev::{Service, ServiceRequest, Transform},
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http::StatusCode,
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HttpResponse, ResponseError,
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};
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use std::{
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future::{ready, Future, Ready},
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pin::Pin,
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task::{Context, Poll},
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};
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pub(crate) struct Internal(pub(crate) Option<String>);
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pub(crate) struct InternalMiddleware<S>(Option<String>, S);
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#[derive(Clone, Debug, thiserror::Error)]
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#[error("Invalid API Key")]
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pub(crate) struct ApiError;
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pin_project_lite::pin_project! {
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#[project = InternalFutureProj]
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#[project_replace = InternalFutureProjReplace]
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pub(crate) enum InternalFuture<F> {
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Internal {
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#[pin]
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future: F,
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},
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Error {
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error: Option<ApiError>,
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},
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}
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}
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impl ResponseError for ApiError {
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fn status_code(&self) -> StatusCode {
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StatusCode::UNAUTHORIZED
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}
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fn error_response(&self) -> HttpResponse {
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HttpResponse::build(self.status_code()).json(serde_json::json!({
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"msg": self.to_string(),
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"code": "invalid-api-token",
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}))
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}
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}
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impl<S> Transform<S, ServiceRequest> for Internal
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where
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S: Service<ServiceRequest, Error = actix_web::Error>,
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S::Future: 'static,
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{
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type Response = S::Response;
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type Error = S::Error;
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type InitError = ();
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type Transform = InternalMiddleware<S>;
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type Future = Ready<Result<Self::Transform, Self::InitError>>;
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fn new_transform(&self, service: S) -> Self::Future {
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ready(Ok(InternalMiddleware(self.0.clone(), service)))
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}
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}
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impl<S> Service<ServiceRequest> for InternalMiddleware<S>
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where
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S: Service<ServiceRequest, Error = actix_web::Error>,
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S::Future: 'static,
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{
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type Response = S::Response;
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type Error = S::Error;
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type Future = InternalFuture<S::Future>;
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fn poll_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
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self.1.poll_ready(cx)
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}
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fn call(&self, req: ServiceRequest) -> Self::Future {
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if let Some(value) = req.headers().get("x-api-token") {
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if let (Ok(header), Some(api_key)) = (value.to_str(), &self.0) {
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if header == api_key {
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return InternalFuture::Internal {
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future: self.1.call(req),
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};
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}
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}
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}
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InternalFuture::Error {
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error: Some(ApiError),
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}
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}
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}
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impl<F, T, E> Future for InternalFuture<F>
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where
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F: Future<Output = Result<T, E>>,
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E: From<ApiError>,
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{
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type Output = F::Output;
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fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
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match self.as_mut().project() {
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InternalFutureProj::Internal { future } => future.poll(cx),
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InternalFutureProj::Error { error } => Poll::Ready(Err(error.take().unwrap().into())),
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}
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}
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}
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