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| // SPDX-FileCopyrightText: 2026 Nikolay Govorov <me@govorov.online>
// SPDX-License-Identifier: AGPL-3.0-or-later
use std::future::Future;
use std::pin::Pin;
use std::sync::Arc;
use std::task::{Context, Poll};
use axum::body::Body;
use axum::http::{HeaderValue, Method, Request, Response, StatusCode, header};
use axum::{extract, routing};
use chrono::{DateTime, Utc};
use maud::{Markup, html};
use rust_embed::Embed;
use sqlx::types::chrono;
use tower::{Layer, Service};
use tracing::error;
use crate::backends::{GoBackend, ZigBackend};
#[derive(Embed)]
#[folder = "src/assets/"]
struct Assets;
const CSP: &str = "default-src 'self'; base-uri 'none'; img-src 'self'; font-src 'self'; style-src 'self'; script-src 'self'; object-src 'none'; frame-ancestors 'none'";
/// Handles html pages rendering and static files
pub struct WebController {
zig: Option<Arc<ZigBackend>>,
go: Option<Arc<GoBackend>>,
}
impl WebController {
pub fn new(zig: Option<Arc<ZigBackend>>, go: Option<Arc<GoBackend>>) -> Self {
Self { zig, go }
}
}
impl WebController {
pub fn router(self: Arc<Self>) -> axum::Router {
let pages = axum::Router::new()
.route("/", axum::routing::get(Self::index))
.layer(tower_http::set_header::SetResponseHeaderLayer::overriding(
header::CACHE_CONTROL,
HeaderValue::from_static("no-cache"),
))
.with_state(self.clone());
let assets = axum::Router::new()
.route("/assets/{*path}", routing::get(Self::assets))
.layer(LastModifiedLayer {});
axum::Router::new().merge(pages).merge(assets).layer(
tower_http::set_header::SetResponseHeaderLayer::overriding(
header::CONTENT_SECURITY_POLICY,
HeaderValue::from_static(CSP),
),
)
}
async fn assets(extract::Path(path): extract::Path<String>) -> Response<Body> {
match Assets::get(&path) {
Some(file) => {
let mime = mime_guess::from_path(&path).first_or_octet_stream();
let is_font = matches!(
path.rsplit('.').next(),
Some("ttf" | "otf" | "woff" | "woff2" | "eot")
);
let mut builder = Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, mime.as_ref());
if is_font {
builder = builder
.header(header::CACHE_CONTROL, "public, max-age=31536000, immutable");
}
builder.body(Body::from(file.data.into_owned())).unwrap()
}
None => Response::builder()
.status(StatusCode::NOT_FOUND)
.body(Body::empty())
.unwrap(),
}
}
async fn index(extract::State(ctrl): extract::State<Arc<Self>>) -> Markup {
let zig_versions = if let Some(ref backend) = ctrl.zig {
match backend.get_releases().await {
Ok(v) => v,
Err(e) => {
error!("failed to get zig versions: {e}");
Vec::new()
}
}
} else {
Vec::new()
};
let go_versions = if let Some(ref backend) = ctrl.go {
match backend.get_releases().await {
Ok(v) => v,
Err(e) => {
error!("failed to get go versions: {e}");
Vec::new()
}
}
} else {
Vec::new()
};
html! {
(maud::DOCTYPE)
html lang="en" {
meta charset="UTF-8";
meta name="viewport" content="width=device-width,initial-scale=1";
meta http-equiv="X-UA-Compatible" content="ie=edge";
link rel="stylesheet" href="assets/base.css";
title { "Earth PKG — tiny & opinionated packages mirror" }
}
body {
h1 { "Zorian — tiny & opinionated packages mirror." }
main {
p {
r#"This site provides a caching proxy for downloading Zig and Go installation files.
It reduces load on upstream servers and makes your infrastructure more reliable by adding redundancy."#
}
p {
"Zorian is open source software licensed under " a href="https://www.gnu.org/licenses/agpl-3.0.html" { "AGPL-3.0" } ". "
"Source code is available on " a href="https://github.com/mrdimidium/zorian" { "GitHub" }
}
h2 { "Usage" }
p {
"Replace official download URLs with " code { "https://pkg.earth/{tool}/{filename}" } ". "
"Files are cached automatically after the first download."
}
h3 id="zig" {
a href="#zig" { "Zig" }
}
@if !zig_versions.is_empty() {
details {
summary { "Available versions (" (zig_versions.len()) ")" }
p { "You can take actual minisig public key at " a href="https://ziglang.org/download/" { "ziglang.org/download" } "." }
table {
thead {
tr {
th { "Version" }
th { "Date" }
th { "Docs" }
th { "Targets" }
}
}
tbody {
@for v in zig_versions.iter().rev() {
tr {
td { (v.version) }
td { (v.meta.date.as_deref().unwrap_or("-")) }
td {
@if let Some(ref url) = v.meta.docs {
a href=(url) { "docs" }
}
" "
@if let Some(ref url) = v.meta.std_docs {
a href=(url) { "std" }
}
" "
@if let Some(ref url) = v.meta.notes {
a href=(url) { "notes" }
}
}
td {
@for file in &v.files {
a href=(format!("/zig/{}", file.filename)) { (&file.meta.target) }
" "
}
}
}
}
}
}
}
}
p {
"Read more about community mirrors in the " a href="https://ziglang.org/download/community-mirrors/" { "blog post" } ". "
"Information on how to deploy your own mirror is available " a href="https://github.com/ziglang/www.ziglang.org/blob/main/MIRRORS.md" { "in the documentation" } "."
}
p {
"For simplicity, you can use tools like " a href="https://github.com/prantlf/zigup" { "prantlf/zigup" }
" and " a href="https://github.com/mlugg/setup-zig" { "mlugg/setup-zig" } "."
}
p {
"To install manually:"
ol {
li { "download zig dist file:" br; code { "wget https://pkg.earth/zig/zig-x86_64-linux-0.15.1.tar.xz" } ";" }
li { "download zig minisig file:" br; code { "wget https://pkg.earth/zig/zig-x86_64-linux-0.15.1.tar.xz.minisig" } ";" }
li { "check archive integrity:" br; code { "minisign -Vm zig-x86_64-linux-0.15.1.tar.xz -P RWSGOq2NVecA2UPNdBUZykf1CCb147pkmdtYxgb3Ti+JO/wCYvhbAb/U" } ";" }
li { "unpack archive:" br; code { "tar -xf 'zig-x86_64-linux-0.15.1.tar.xz'" } ";" }
li { "check installed zig:" br; code { "./zig-x86_64-linux-0.15.1/zig --version" } ";" }
}
}
h3 id="go" { a href="#go" { "Go" } }
@if !go_versions.is_empty() {
details {
summary { "Available versions (" (go_versions.len()) ")" }
p { "You can find available versions at " a href="https://go.dev/dl/" { "go.dev/dl" } "." }
table {
thead {
tr {
th { "Version" }
th { "Stable" }
th { "Files" }
}
}
tbody {
@for v in go_versions.iter().rev() {
tr {
td { (v.version) }
td { @if v.meta.stable { "✓" } @else { "" } }
td {
@for file in &v.files {
a href=(format!("/go/{}", file.filename)) { (file.filename) }
" "
}
}
}
}
}
}
}
}
p { "To install manually:" }
ol {
li { "download go dist file:" br; code { "wget https://pkg.earth/go/go1.23.0.linux-amd64.tar.gz" } ";" }
li { "download go sha256 file:" br; code { "wget https://pkg.earth/go/go1.23.0.linux-amd64.tar.gz.sha256" } ";" }
li { "check archive integrity:" br; code { "sha256sum -c go1.23.0.linux-amd64.tar.gz.sha256" } ";" }
li { "unpack archive:" br; code { "tar -xzf go1.23.0.linux-amd64.tar.gz" } ";" }
li { "check installed go:" br; code { "./go/bin/go version" } ";" }
}
h2 { "Privacy policy" }
p { "This mirror is a non-profit project available on a voluntary basis. The author has no plans to fund it." }
p { r#"Since the mirror is hosted on hardware, we collect access logs to combat bots and brute-force attacks.
The logs are used for security purposes and load planning, are not shared with third parties,
and are deleted after 30 days."# }
p { "Third-party analytics systems are not used, same as client-side trackers." }
}
}
}
}
}
#[derive(Clone)]
pub struct LastModifiedLayer {}
impl<S> Layer<S> for LastModifiedLayer {
type Service = LastModifiedService<S>;
fn layer(&self, inner: S) -> Self::Service {
LastModifiedService {
inner,
// Since the static file is packaged in a binary, we cache it across restarts.
// In the future, we can use the build time.
last_moidified: Utc::now(),
}
}
}
#[derive(Clone)]
pub struct LastModifiedService<S> {
inner: S,
last_moidified: DateTime<Utc>,
}
impl<S> Service<Request<Body>> for LastModifiedService<S>
where
S: Service<Request<Body>, Response = Response<Body>> + Clone + Send + 'static,
S::Future: Send + 'static,
S::Error: Send + 'static,
{
type Response = Response<Body>;
type Error = S::Error;
type Future = Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>> + Send>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
self.inner.poll_ready(cx)
}
fn call(&mut self, req: Request<Body>) -> Self::Future {
let method = req.method().clone();
let headers = req.headers().clone();
let last_modified = self.last_moidified;
let mut inner = self.inner.clone();
Box::pin(async move {
let raw = last_modified
.format("%a, %d %b %Y %H:%M:%S GMT")
.to_string();
let lmh = HeaderValue::from_str(raw.as_str()).unwrap();
if (method == Method::GET || method == Method::HEAD)
&& headers
.get(header::IF_MODIFIED_SINCE)
.and_then(|v| v.to_str().ok())
.and_then(parse_http_date)
.is_some_and(|ims| last_modified <= ims)
{
match Response::builder()
.status(StatusCode::NOT_MODIFIED)
.header(header::LAST_MODIFIED, lmh.clone())
.body(Body::empty())
{
Ok(resp) => {
return Ok(resp);
}
Err(err) => {
error!("build response: {err}")
}
}
}
let mut resp = inner.call(req).await?;
resp.headers_mut().insert(header::LAST_MODIFIED, lmh);
Ok(resp)
})
}
}
/// Parse HTTP-date (IMF-fixdate per RFC 7231) or RFC 2822
fn parse_http_date(value: &str) -> Option<DateTime<Utc>> {
// IMF-fixdate: "Tue, 14 Jan 2026 12:34:56 GMT"
DateTime::parse_from_rfc2822(value.trim())
.map(|d| d.with_timezone(&Utc))
.ok()
}
|
