Feature/UI sideload (#2658)

* ui sideloading

* remove subtlecrypto import

* fix parser

* misc fixes

* allow docker pull during compat conversion

core/startos/src/net/static_server.rs

@@ -19,7 +19,6 @@ use new_mime_guess::MimeGuess;
 use openssl::hash::MessageDigest;
 use openssl::x509::X509;
 use rpc_toolkit::{Context, HttpServer, Server};
-use tokio::fs::File;
 use tokio::io::BufReader;
 use tokio_util::io::ReaderStream;
 
@@ -29,6 +28,7 @@ use crate::middleware::auth::{Auth, HasValidSession};
 use crate::middleware::cors::Cors;
 use crate::middleware::db::SyncDb;
 use crate::rpc_continuations::{Guid, RpcContinuations};
+use crate::util::io::open_file;
 use crate::{
     diagnostic_api, init_api, install_api, main_api, setup_api, Error, ErrorKind, ResultExt,
 };
@@ -44,8 +44,6 @@ const EMBEDDED_UIS: Dir<'_> =
 #[cfg(not(all(feature = "daemon", not(feature = "test"))))]
 const EMBEDDED_UIS: Dir<'_> = Dir::new("", &[]);
 
-const PROXY_STRIP_HEADERS: &[&str] = &["cookie", "host", "origin", "referer", "user-agent"];
-
 #[derive(Clone)]
 pub enum UiMode {
     Setup,
@@ -340,9 +338,8 @@ impl FileData {
             .any(|e| e == "gzip")
             .then_some("gzip");
 
-        let file = File::open(path)
-            .await
-            .with_ctx(|_| (ErrorKind::Filesystem, path.display().to_string()))?;
+        let file = open_file(path)
+            .await?;
         let metadata = file
             .metadata()
             .await