jean-marie/backend/src/middlewares.rs

82 lines
2.9 KiB
Rust

use super::{AppError, UserData};
use axum::{
body::Body,
extract::State,
http::Request,
middleware::Next,
response::{IntoResponse, Redirect},
};
use axum_extra::TypedHeader;
use chrono::Utc;
use headers::Cookie;
use sqlx::SqlitePool;
pub async fn inject_user_data(
State(db_pool): State<SqlitePool>,
cookie: Option<TypedHeader<Cookie>>,
mut request: Request<Body>,
next: Next,
) -> Result<impl IntoResponse, AppError> {
if let Some(cookie) = cookie {
if let Some(session_token) = cookie.get("session_token") {
let session_token: Vec<&str> = session_token.split('_').collect();
let query: Result<(i64, i64, String), _> = sqlx::query_as(
r#"SELECT user_id,expires_at,session_token_p2 FROM user_sessions WHERE session_token_p1=?"#,
)
.bind(session_token[0])
.fetch_one(&db_pool)
.await;
if let Ok(query) = query {
if let Ok(session_token_p2_db) = query.2.as_bytes().try_into() {
if let Ok(session_token_p2_cookie) = session_token
.get(1)
.copied()
.unwrap_or_default()
.as_bytes()
.try_into()
{
if constant_time_eq::constant_time_eq_n::<36>(
session_token_p2_cookie,
session_token_p2_db,
) {
let id = query.0;
let expires_at = query.1;
if expires_at > Utc::now().timestamp() {
let query: Result<(String,), _> =
sqlx::query_as(r#"SELECT email FROM users WHERE id=?"#)
.bind(id)
.fetch_one(&db_pool)
.await;
if let Ok(query) = query {
let email = query.0;
request.extensions_mut().insert(Some(UserData {
id,
email,
}));
}
}
}
}
}
}
}
}
Ok(next.run(request).await)
}
pub async fn check_auth(request: Request<Body>, next: Next) -> Result<impl IntoResponse, AppError> {
if request
.extensions()
.get::<Option<UserData>>()
.ok_or("check_auth: extensions have no UserData")?
.is_some()
{
Ok(next.run(request).await)
} else {
let login_url = "/login?return_url=".to_owned() + &*request.uri().to_string();
Ok(Redirect::to(login_url.as_str()).into_response())
}
}