Use http dependency directly

Cargo.toml

@@ -20,6 +20,7 @@ ring = ["dep:ring", "hyper-rustls?/ring", "rcgen/ring"]
 [dependencies]
 aws-lc-rs = { version = "1.8.0", optional = true }
 base64 = "0.21.0"
+http = "1"
 http-body-util = "0.1.2"
 hyper = { version = "1.3.1", features = ["client", "http1", "http2"] }
 hyper-rustls = { version = "0.27", default-features = false, features = ["http1", "http2", "native-tokio", "tls12", "rustls-native-certs"], optional = true }

src/lib.rs

@@ -9,10 +9,10 @@ use std::pin::Pin;
 use std::sync::Arc;
 
 use base64::prelude::{Engine, BASE64_URL_SAFE_NO_PAD};
+use http::header::{CONTENT_TYPE, LOCATION};
+use http::{Method, Request, Response, StatusCode};
 use http_body_util::{BodyExt, Full};
 use hyper::body::{Bytes, Incoming};
-use hyper::header::{CONTENT_TYPE, LOCATION};
-use hyper::{Method, Request, Response, StatusCode};
 use hyper_util::client::legacy::connect::Connect;
 use hyper_util::client::legacy::Client as HyperClient;
 #[cfg(feature = "hyper-rustls")]

src/types.rs

@@ -31,13 +31,13 @@ pub enum Error {
     CryptoKey(#[from] crypto::KeyRejected),
     /// HTTP failure
     #[error("HTTP request failure: {0}")]
-    Http(#[from] hyper::http::Error),
+    Http(#[from] http::Error),
     /// Hyper request failure
     #[error("HTTP request failure: {0}")]
     Hyper(#[from] hyper::Error),
     /// Invalid ACME server URL
     #[error("invalid URI: {0}")]
-    InvalidUri(#[from] hyper::http::uri::InvalidUri),
+    InvalidUri(#[from] http::uri::InvalidUri),
     /// Failed to (de)serialize a JSON object
     #[error("failed to (de)serialize JSON: {0}")]
     Json(#[from] serde_json::Error),