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72 lines
2.4 KiB
Rust

use cfg_if::cfg_if;
cfg_if! { if #[cfg(feature = "ssr")] {
use std::future::{Ready, ready};
use actix_session::SessionExt;
use actix_web::dev::{Service, ServiceRequest, ServiceResponse, Transform, forward_ready};
use actix_web::Error;
use actix_web::HttpResponse;
use actix_web::body::EitherBody;
use futures_util::future::LocalBoxFuture;
use actix_web::http::header::LOCATION;
use crate::backend::data::User;
pub struct Authentication;
impl<S, B> Transform<S, ServiceRequest> for Authentication
where
S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>,
S::Future: 'static,
B: 'static,
{
type Response = ServiceResponse<EitherBody<B>>;
type Error = Error;
type Transform = AuthenticationMiddleware<S>;
type InitError = ();
type Future = Ready<Result<Self::Transform, Self::InitError>>;
fn new_transform(&self, service: S) -> Self::Future {
ready(Ok(AuthenticationMiddleware { service }))
}
}
pub struct AuthenticationMiddleware<S> {
service: S,
}
impl<S, B> Service<ServiceRequest> for AuthenticationMiddleware<S>
where
S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>,
S::Future: 'static,
B: 'static,
{
type Response = ServiceResponse<EitherBody<B>>;
type Error = Error;
type Future = LocalBoxFuture<'static, Result<Self::Response, Self::Error>>;
forward_ready!(service);
fn call(&self, req: ServiceRequest) -> Self::Future {
let session = req.get_session();
let authenticate_pass = !req.path().starts_with("/admin") ||
session.get::<User>("user").unwrap_or(None).is_some();
if authenticate_pass {
let res = self.service.call(req);
Box::pin(async move {
res.await.map(ServiceResponse::map_into_left_body)
})
} else {
let (request, _pl) = req.into_parts();
let response = HttpResponse::Found()
.insert_header((LOCATION, "/login"))
.finish()
.map_into_right_body();
Box::pin(async { Ok(ServiceResponse::new(request, response)) })
}
}
}
}}