httpauth: Minimize futures dependency

actix-web-httpauth/CHANGES.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [unreleased]
   - Update the `base64` dependency to 0.12
   - AuthenticationError's status code is preserved when converting to a ResponseError
+  - Minimize `futures` dependency
 
 ## [0.4.1] - 2020-02-19
   - Move repository to actix-extras

actix-web-httpauth/Cargo.toml

@@ -19,7 +19,7 @@ path = "src/lib.rs"
 [dependencies]
 actix-web = { version = "^2.0", default_features = false }
 actix-service = "1.0"
-futures = "0.3"
+futures-util = { version = "0.3", default-features = false }
 bytes = "0.5"
 base64 = "0.12"
 

actix-web-httpauth/src/extractors/basic.rs

@@ -5,7 +5,7 @@ use std::borrow::Cow;
 use actix_web::dev::{Payload, ServiceRequest};
 use actix_web::http::header::Header;
 use actix_web::{FromRequest, HttpRequest};
-use futures::future;
+use futures_util::future::{ready, Ready};
 
 use super::config::AuthExtractorConfig;
 use super::errors::AuthenticationError;
@@ -104,7 +104,7 @@ impl BasicAuth {
 }
 
 impl FromRequest for BasicAuth {
-    type Future = future::Ready<Result<Self, Self::Error>>;
+    type Future = Ready<Result<Self, Self::Error>>;
     type Config = Config;
     type Error = AuthenticationError<Challenge>;
 
@@ -112,7 +112,7 @@ impl FromRequest for BasicAuth {
         req: &HttpRequest,
         _: &mut Payload,
     ) -> <Self as FromRequest>::Future {
-        future::ready(
+        ready(
             Authorization::<Basic>::parse(req)
                 .map(|auth| BasicAuth(auth.into_scheme()))
                 .map_err(|_| {
@@ -131,10 +131,10 @@ impl FromRequest for BasicAuth {
 
 impl AuthExtractor for BasicAuth {
     type Error = AuthenticationError<Challenge>;
-    type Future = future::Ready<Result<Self, Self::Error>>;
+    type Future = Ready<Result<Self, Self::Error>>;
 
     fn from_service_request(req: &ServiceRequest) -> Self::Future {
-        future::ready(
+        ready(
             Authorization::<Basic>::parse(req)
                 .map(|auth| BasicAuth(auth.into_scheme()))
                 .map_err(|_| {

actix-web-httpauth/src/extractors/bearer.rs

@@ -6,7 +6,7 @@ use std::default::Default;
 use actix_web::dev::{Payload, ServiceRequest};
 use actix_web::http::header::Header;
 use actix_web::{FromRequest, HttpRequest};
-use futures::future;
+use futures_util::future::{ready, Ready};
 
 use super::config::AuthExtractorConfig;
 use super::errors::AuthenticationError;
@@ -104,14 +104,14 @@ impl BearerAuth {
 
 impl FromRequest for BearerAuth {
     type Config = Config;
-    type Future = future::Ready<Result<Self, Self::Error>>;
+    type Future = Ready<Result<Self, Self::Error>>;
     type Error = AuthenticationError<bearer::Bearer>;
 
     fn from_request(
         req: &HttpRequest,
         _payload: &mut Payload,
     ) -> <Self as FromRequest>::Future {
-        future::ready(
+        ready(
             authorization::Authorization::<authorization::Bearer>::parse(req)
                 .map(|auth| BearerAuth(auth.into_scheme()))
                 .map_err(|_| {
@@ -127,11 +127,11 @@ impl FromRequest for BearerAuth {
 }
 
 impl AuthExtractor for BearerAuth {
-    type Future = future::Ready<Result<Self, Self::Error>>;
+    type Future = Ready<Result<Self, Self::Error>>;
     type Error = AuthenticationError<bearer::Bearer>;
 
     fn from_service_request(req: &ServiceRequest) -> Self::Future {
-        future::ready(
+        ready(
             authorization::Authorization::<authorization::Bearer>::parse(req)
                 .map(|auth| BearerAuth(auth.into_scheme()))
                 .map_err(|_| {

actix-web-httpauth/src/extractors/mod.rs

@@ -2,7 +2,7 @@
 
 use actix_web::dev::ServiceRequest;
 use actix_web::Error;
-use futures::future::Future;
+use std::future::Future;
 
 pub mod basic;
 pub mod bearer;

actix-web-httpauth/src/middleware.rs

@@ -1,5 +1,6 @@
 //! HTTP Authentication middleware.
 
+use std::future::Future;
 use std::marker::PhantomData;
 use std::pin::Pin;
 use std::sync::Arc;
@@ -7,9 +8,9 @@ use std::sync::Arc;
 use actix_service::{Service, Transform};
 use actix_web::dev::{ServiceRequest, ServiceResponse};
 use actix_web::Error;
-use futures::future::{self, Future, FutureExt, LocalBoxFuture, TryFutureExt};
+use futures_util::future::{self, FutureExt, LocalBoxFuture, TryFutureExt};
-use futures::lock::Mutex;
+use futures_util::lock::Mutex;
-use futures::task::{Context, Poll};
+use futures_util::task::{Context, Poll};
 
 use crate::extractors::{basic, bearer, AuthExtractor};
 
@@ -239,7 +240,7 @@ where
             .f
             .as_mut()
             .expect("Extraction future should be initialized at this point");
-        let credentials = futures::ready!(Future::poll(f.as_mut(), ctx))?;
+        let credentials = futures_util::ready!(Future::poll(f.as_mut(), ctx))?;
 
         let req = self.req.take().expect("Extract future was polled twice!");
         Poll::Ready(Ok((req, credentials)))