Files
windmill/backend/windmill-api/src/static_assets.rs
2024-12-15 13:36:21 +01:00

80 lines
2.7 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::Body, extract::OriginalUri, http::Response, response::IntoResponse};
#[cfg(feature = "static_frontend")]
use axum::http::header;
use hyper::Uri;
#[cfg(feature = "static_frontend")]
use mime_guess::mime;
#[cfg(feature = "static_frontend")]
use rust_embed::RustEmbed;
// static_handler is a handler that serves static files from the
pub async fn static_handler(OriginalUri(original_uri): OriginalUri) -> StaticFile {
StaticFile(original_uri)
}
#[cfg(feature = "static_frontend")]
#[derive(RustEmbed)]
#[folder = "${FRONTEND_BUILD_DIR:-../../frontend/build/}"]
struct Asset;
pub struct StaticFile(Uri);
impl IntoResponse for StaticFile {
fn into_response(self) -> Response<Body> {
let path = self.0.path().trim_start_matches('/');
serve_path(path)
}
}
#[cfg(feature = "static_frontend")]
const TWO_HUNDRED: &str = "200.html";
fn serve_path(path: &str) -> Response<Body> {
if path.starts_with("api/") {
return Response::builder().status(404).body(Body::empty()).unwrap();
}
#[cfg(feature = "static_frontend")]
match Asset::get(path) {
Some(content) => {
let body = Body::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())
.header(header::ACCESS_CONTROL_ALLOW_ORIGIN, "*");
if mime.as_ref() == mime::APPLICATION_JAVASCRIPT
|| mime.as_ref() == mime::TEXT_JAVASCRIPT
|| path.ends_with(".wasm")
{
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) || (mime.type_()) == (mime::FONT) {
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 if path.starts_with("_app/") => {
Response::builder().status(404).body(Body::empty()).unwrap()
}
None => serve_path(TWO_HUNDRED),
}
#[cfg(not(feature = "static_frontend"))]
{
Response::builder().status(404).body(Body::empty()).unwrap()
}
}