175 lines
4.8 KiB
Rust
175 lines
4.8 KiB
Rust
// SPDX-FileCopyrightText: 2023 Aravinth Manivannan <realaravinth@batsense.net>
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//
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// SPDX-License-Identifier: Apache-2.0
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// SPDX-License-Identifier: MIT
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use std::borrow::Cow;
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use actix_web::body::BoxBody;
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use actix_web::{get, http::header, web, HttpResponse, Responder};
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use actix_web::{App, HttpServer};
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use lazy_static::lazy_static;
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use log::info;
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use mime_guess::from_path;
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use rust_embed::RustEmbed;
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use cache_buster::Files;
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mod index;
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/// 1. Set a riddicolusly high cache age
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pub const CACHE_AGE: u32 = 60 * 60 * 24 * 365;
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lazy_static! {
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/// 2. create filemap
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pub static ref FILES: Files = {
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let map = include_str!("./cache_buster_data.json");
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Files::new(map)
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};
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pub static ref INDEX: String = index::get_index();
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}
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#[actix_web::main]
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async fn main() -> std::io::Result<()> {
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std::env::set_var("RUST_LOG", "info");
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let ip = "localhost:2080";
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pretty_env_logger::init();
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info!("Starting server at http://{}", &ip);
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HttpServer::new(move || {
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App::new()
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.wrap(actix_web::middleware::Logger::default())
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.configure(services)
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})
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.bind(ip)
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.unwrap()
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.run()
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.await?;
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Ok(())
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}
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/// 3. Embed files. Or not. You can also read files dynamically
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#[derive(RustEmbed)]
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#[folder = "dist/"]
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struct Asset;
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fn handle_assets(path: &str) -> HttpResponse {
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match Asset::get(path) {
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Some(content) => {
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let body: BoxBody = match content.data {
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Cow::Borrowed(bytes) => BoxBody::new(bytes),
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Cow::Owned(bytes) => BoxBody::new(bytes),
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};
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HttpResponse::Ok()
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// 3. Set proper cache-control headers with cache age set from step 1
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.insert_header(header::CacheControl(vec![
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header::CacheDirective::Public,
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header::CacheDirective::Extension("immutable".into(), None),
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header::CacheDirective::MaxAge(CACHE_AGE),
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]))
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.content_type(from_path(path).first_or_octet_stream().as_ref())
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.body(body)
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}
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None => HttpResponse::NotFound().body("404 Not Found"),
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}
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}
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#[get("/dist/{_:.*}")]
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pub async fn static_files(path: web::Path<String>) -> impl Responder {
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info!("fetching file: {}", &path);
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handle_assets(&path)
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}
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#[get("/")]
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pub async fn serve_index() -> impl Responder {
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let index: &str = &*INDEX;
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HttpResponse::Ok()
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.content_type("text/html; charset=utf-8")
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.body(index)
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}
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#[derive(RustEmbed)]
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#[folder = "static/no-cache/"]
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struct Favicons;
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fn handle_favicons(path: &str) -> HttpResponse {
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match Favicons::get(path) {
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Some(content) => {
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let body: BoxBody = match content.data {
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Cow::Borrowed(bytes) => BoxBody::new(bytes),
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Cow::Owned(bytes) => BoxBody::new(bytes),
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};
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HttpResponse::Ok()
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.insert_header(header::CacheControl(vec![
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header::CacheDirective::Public,
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header::CacheDirective::Extension("immutable".into(), None),
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header::CacheDirective::MaxAge(CACHE_AGE),
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]))
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.content_type(from_path(path).first_or_octet_stream().as_ref())
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.body(body)
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}
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None => HttpResponse::NotFound().body("404 Not Found"),
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}
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}
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#[get("/{file}")]
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pub async fn favicons(path: web::Path<String>) -> impl Responder {
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handle_favicons(&path)
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}
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fn services(cfg: &mut actix_web::web::ServiceConfig) {
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cfg.service(static_files);
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cfg.service(serve_index);
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cfg.service(favicons);
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}
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#[cfg(test)]
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mod tests {
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use actix_web::http::StatusCode;
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use actix_web::test;
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use super::*;
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#[actix_rt::test]
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async fn static_assets_work() {
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let app = test::init_service(App::new().configure(services)).await;
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let img_resp = test::call_service(
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&app,
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test::TestRequest::get()
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.uri(
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&crate::FILES
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.get_full_path("./static/cachable/img/Spock_vulcan-salute.png")
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.unwrap()[1..],
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)
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.to_request(),
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)
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.await;
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assert_eq!(img_resp.status(), StatusCode::OK);
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let css_resp = test::call_service(
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&app,
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test::TestRequest::get()
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.uri(
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&crate::FILES
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.get_full_path("./static/cachable/img/Spock_vulcan-salute.png")
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.unwrap()[1..],
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)
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.to_request(),
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)
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.await;
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assert_eq!(css_resp.status(), StatusCode::OK);
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let favicon_resp = test::call_service(
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&app,
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test::TestRequest::get().uri("/favicon.ico").to_request(),
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)
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.await;
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assert_eq!(favicon_resp.status(), StatusCode::OK);
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}
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}
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