use crate::core::{SpaConfig, SpaHandler};
use actix_web::{HttpRequest, HttpResponse};
pub struct ActixSpa<E: rust_embed::RustEmbed> {
handler: SpaHandler<E>,
}
impl<E: rust_embed::RustEmbed> ActixSpa<E> {
pub fn new(config: SpaConfig) -> Self {
Self {
handler: SpaHandler::new(config),
}
}
pub async fn handle_request(&self, req: HttpRequest) -> HttpResponse {
let path = req.path();
let security_headers = self.handler.security_headers();
match self.handler.get_file(path) {
Ok(spa_resp) => {
let cache = if spa_resp.is_html { "no-cache" } else { "public, max-age=31536000" };
if let Some(if_none_match) = req.headers().get("If-None-Match").and_then(|v| v.to_str().ok()) {
if crate::core::etag_matches(if_none_match, &spa_resp.etag) {
let mut response = HttpResponse::NotModified();
response.insert_header(("ETag", spa_resp.etag.as_str()));
response.insert_header(("Cache-Control", cache));
#[cfg(any(feature = "gzip", feature = "brotli"))]
if spa_resp.has_compression() {
response.insert_header(("Vary", "Accept-Encoding"));
}
for (key, value) in security_headers {
response.insert_header((key.as_str(), value.as_str()));
}
return response.finish();
}
}
let data_len = spa_resp.data.len();
let range_header = req.headers().get("Range").and_then(|v| v.to_str().ok());
let if_range_header = req.headers().get("If-Range").and_then(|v| v.to_str().ok());
let can_range = match if_range_header {
Some(ir) => crate::core::if_range_matches(ir, &spa_resp.etag),
None => true,
};
if let (Some(rh), true) = (range_header, can_range) {
if let Some(range) = crate::core::RangeSpec::parse(rh, data_len) {
let mut response = HttpResponse::PartialContent();
response.content_type(crate::core::content_type_with_charset(spa_resp.mime).as_ref());
response.insert_header(("Content-Range", range.content_range(data_len)));
response.insert_header(("Content-Length", range.len().to_string()));
response.insert_header(("Accept-Ranges", "bytes"));
response.insert_header(("ETag", spa_resp.etag.as_str()));
for (key, value) in security_headers {
response.insert_header((key.as_str(), value.as_str()));
}
return response.body(spa_resp.data[range.start..=range.end].to_vec());
}
}
let mut response = HttpResponse::Ok();
response.content_type(crate::core::content_type_with_charset(spa_resp.mime).as_ref());
response.insert_header(("ETag", spa_resp.etag.as_str()));
response.insert_header(("Cache-Control", cache));
response.insert_header(("Accept-Ranges", "bytes"));
#[cfg(any(feature = "gzip", feature = "brotli"))]
if spa_resp.has_compression() {
response.insert_header(("Vary", "Accept-Encoding"));
}
for (key, value) in security_headers {
response.insert_header((key.as_str(), value.as_str()));
}
#[cfg(any(feature = "gzip", feature = "brotli"))]
{
let accept_encoding = req.headers()
.get("Accept-Encoding")
.and_then(|v| v.to_str().ok())
.unwrap_or("");
if let Some((encoding, data)) = spa_resp.select_encoding(accept_encoding) {
response.insert_header(("Content-Encoding", encoding));
return response.body(data.to_vec());
}
}
response.body(spa_resp.data)
}
Err(e) => {
tracing::warn!("SPA resource not found: {} - {}", path, e);
if let Some(error_resp) = self.handler.get_error_page(404) {
let mut response = HttpResponse::NotFound();
response.content_type(crate::core::content_type_with_charset(error_resp.mime).as_ref());
for (key, value) in security_headers {
response.insert_header((key.as_str(), value.as_str()));
}
#[cfg(any(feature = "gzip", feature = "brotli"))]
{
let accept_encoding = req.headers()
.get("Accept-Encoding")
.and_then(|v| v.to_str().ok())
.unwrap_or("");
if let Some((encoding, data)) = error_resp.select_encoding(accept_encoding) {
response.insert_header(("Content-Encoding", encoding));
return response.body(data.to_vec());
}
}
return response.body(error_resp.data);
}
let mut response = HttpResponse::NotFound();
for (key, value) in security_headers {
response.insert_header((key.as_str(), value.as_str()));
}
response.finish()
}
}
}
}
#[macro_export]
#[allow(clippy::crate_in_macro_def)]
macro_rules! spa {
($struct:ident, $path:expr $(,)?) => {
spa!($struct, $path, "/", ["index.html"]);
};
($struct:ident, $path:expr, { $($config:tt)* } $(,)?) => {
spa!($struct, $path, "/", ["index.html"], { $($config)* });
};
($struct:ident, $path:expr, $base:expr $(,)?) => {
spa!($struct, $path, $base, ["index.html"]);
};
($struct:ident, $path:expr, $base:expr, { $($config:tt)* } $(,)?) => {
spa!($struct, $path, $base, ["index.html"], { $($config)* });
};
($struct:ident, $path:expr, $base:expr, [$($index:expr),*] $(,)?) => {
spa!($struct, $path, $base, [$($index),*], {});
};
($struct:ident, $path:expr, $base:expr, [$($index:expr),*], { $($config:tt)* } $(,)?) => {
#[derive(rust_embed::RustEmbed)]
#[folder = $path]
pub struct $struct;
paste::paste!{
pub mod [<mod_ $struct:lower>] {
pub static CONFIG: std::sync::OnceLock<anycms_spa::core::SpaConfig> = std::sync::OnceLock::new();
pub static SPA: std::sync::OnceLock<anycms_spa::actix::ActixSpa<crate::$struct>> = std::sync::OnceLock::new();
}
impl $struct {
pub fn spa_service() -> actix_web::Resource {
use actix_web::web;
[<mod_ $struct:lower>]::CONFIG.get_or_init(|| {
anycms_spa::core::SpaConfig::default()
.with_base_path($base)
.with_index_files(&[$($index),*])
.with_override_dir($path)
$($config)*
});
[<mod_ $struct:lower>]::SPA.get_or_init(|| anycms_spa::actix::ActixSpa::new([<mod_ $struct:lower>]::CONFIG.get().unwrap().clone()));
let base = $base.trim_matches('/');
let pattern = if base.is_empty() {
"/{path:.*}".to_string()
} else {
format!("/{}/{{path:.*}}", base)
};
web::resource(&pattern)
.to(|req: actix_web::HttpRequest| async move {
[<mod_ $struct:lower>]::SPA.get().unwrap().handle_request(req).await
})
}
}
}
};
}