Files
windmill/backend/src/static_assets.rs

65 lines
2.0 KiB
Rust

/*
* Author: Ruben Fiszel
* Copyright: Windmill Labs, Inc 2022
* This file and its contents are licensed under the AGPLv3 License.
* Please see the included NOTICE for copyright information and
* LICENSE-AGPL for a copy of the license.
*/
use axum::{
body::{self, BoxBody},
http::{header, Response, Uri},
response::IntoResponse,
};
use mime_guess::mime;
use rust_embed::RustEmbed;
// static_handler is a handler that serves static files from the
pub async fn static_handler(uri: Uri) -> impl IntoResponse {
let path = uri.path().trim_start_matches('/').to_string();
StaticFile(path)
}
#[derive(RustEmbed)]
#[folder = "../frontend/build/"]
struct Asset;
pub struct StaticFile<T>(pub T);
impl<T> IntoResponse for StaticFile<T>
where
T: Into<String>,
{
fn into_response(self) -> Response<BoxBody> {
let path = self.0.into();
serve_path(path)
}
}
fn serve_path(path: String) -> Response<BoxBody> {
if path.starts_with("api/") {
return Response::builder()
.status(404)
.body(body::boxed(body::Empty::new()))
.unwrap();
}
match Asset::get(path.as_str()) {
Some(content) => {
let body = body::boxed(body::Full::from(content.data));
let mime = mime_guess::from_path(path).first_or_octet_stream();
let mut res = Response::builder().header(header::CONTENT_TYPE, mime.as_ref());
if mime.as_ref() == mime::APPLICATION_JAVASCRIPT {
res = res.header(header::CACHE_CONTROL, "max-age=31536000");
} else if (mime.type_(), mime.subtype()) == (mime::TEXT, mime::CSS) {
res = res.header(header::CACHE_CONTROL, "max-age=31536000");
} else if (mime.type_()) == (mime::IMAGE) {
res = res.header(header::CACHE_CONTROL, "max-age=31536000");
} else {
res = res.header(header::CACHE_CONTROL, "no-cache, no-store, must-revalidate");
}
res.body(body).unwrap()
}
None => serve_path("200.html".to_owned()),
}
}