pluto: handle auth info in https_proxy

Need to parse out auth info in `https_proxy` and set to proxy header.

sources/api/pluto/Cargo.toml

@@ -31,6 +31,7 @@ snafu = "0.7"
 tokio = { version = "~1.32", default-features = false, features = ["macros", "rt-multi-thread"] }  # LTS
 tokio-retry = "0.3"
 tokio-rustls = "0.23"
+url = "2"
 
 [build-dependencies]
 bottlerocket-variant = { version = "0.1", path = "../../bottlerocket-variant" }

sources/api/pluto/src/hyper_proxy/mod.rs

@@ -5,10 +5,10 @@
 
 mod stream;
 mod tunnel;
+use futures_util::future::TryFutureExt;
+use headers::{authorization::Credentials, Authorization, HeaderMapExt, ProxyAuthorization};
 use http::header::HeaderMap;
 use hyper::{service::Service, Uri};
-
-use futures_util::future::TryFutureExt;
 use std::{fmt, io, sync::Arc};
 use std::{
     future::Future,
@@ -27,7 +27,12 @@ type BoxError = Box<dyn std::error::Error + Send + Sync>;
 
 /// The Intercept enum to filter connections
 #[derive(Debug, Clone)]
+#[allow(dead_code)]
 pub enum Intercept {
+    /// Only https connections will go through proxy
+    Https,
+    /// No connection will go through this proxy
+    None,
     /// A custom intercept
     Custom(Custom),
 }
@@ -84,7 +89,9 @@ impl Intercept {
     /// A function to check if given `Uri` is proxied
     pub fn matches<D: Dst>(&self, uri: &D) -> bool {
         match (self, uri.scheme()) {
+            (&Intercept::Https, Some("https")) => true,
             (&Intercept::Custom(Custom(ref f)), _) => f(uri.scheme(), uri.host(), uri.port()),
+            _ => false,
         }
     }
 }
@@ -116,6 +123,20 @@ impl Proxy {
             force_connect: false,
         }
     }
+
+    /// Set `Proxy` authorization
+    pub fn set_authorization<C: Credentials + Clone>(&mut self, credentials: Authorization<C>) {
+        match self.intercept {
+            Intercept::Https => {
+                self.headers.typed_insert(ProxyAuthorization(credentials.0));
+            }
+            _ => {
+                self.headers
+                    .typed_insert(Authorization(credentials.0.clone()));
+                self.headers.typed_insert(ProxyAuthorization(credentials.0));
+            }
+        }
+    }
 }
 
 /// A wrapper around `Proxy`s with a connector.

sources/api/pluto/src/proxy.rs

@@ -1,8 +1,10 @@
 use crate::hyper_proxy::{Proxy, ProxyConnector};
+use headers::Authorization;
 use hyper::Uri;
 use hyper_rustls::HttpsConnectorBuilder;
 use snafu::{ResultExt, Snafu};
 use std::env;
+use url::Url;
 
 #[derive(Debug, Snafu)]
 pub(super) enum Error {
@@ -12,6 +14,12 @@ pub(super) enum Error {
         source: hyper::http::uri::InvalidUri,
     },
 
+    #[snafu(display("Unable to parse '{}' as URL: {}", input, source))]
+    UrlParse {
+        input: String,
+        source: url::ParseError,
+    },
+
     #[snafu(display("Failed to create proxy creator: {}", source))]
     ProxyConnector { source: std::io::Error },
 }
@@ -75,7 +83,19 @@ pub(crate) fn setup_http_client(
                 input: &https_proxy,
             })?;
     }
-    let proxy = Proxy::new(intercept, proxy_uri);
+    let mut proxy = Proxy::new(intercept, proxy_uri);
+    // Parse https_proxy as URL to extract out auth information if any
+    let proxy_url = Url::parse(&https_proxy).context(UrlParseSnafu {
+        input: &https_proxy,
+    })?;
+
+    if !proxy_url.username().is_empty() || proxy_url.password().is_some() {
+        proxy.set_authorization(Authorization::basic(
+            proxy_url.username(),
+            proxy_url.password().unwrap_or_default(),
+        ));
+    }
+
     let https_connector = HttpsConnectorBuilder::new()
         .with_native_roots()
         .https_or_http()