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use std::{collections::HashMap, env, str::FromStr, sync::Arc};
use auth::AuthenticatedSession;
use axum::{
extract::{Extension, Query},
response::Redirect,
routing::get,
Json, Router,
};
use protocol::{Table, UserInfo};
use server::ContextExtension;
use tower_cookies::{Cookie, CookieManagerLayer, Cookies};
use tower_http::trace::TraceLayer;
use tracing::info;
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
mod auth;
mod error;
mod server;
use crate::error::BridgeError;
use crate::{
auth::{Authenticator, SessionId},
server::ServerContext,
};
use sqlx::{postgres::PgPoolOptions, PgPool};
#[tokio::main]
async fn main() {
dotenv::dotenv().ok();
tracing_subscriber::registry()
.with(tracing_subscriber::EnvFilter::new(
std::env::var("RUST_LOG").unwrap_or_else(|_| "".into()),
))
.with(tracing_subscriber::fmt::layer())
.init();
info!("Opening database connection");
let db_url = env::var("DATABASE_URL").unwrap();
let db_pool: PgPool = PgPoolOptions::new()
.max_connections(10)
.connect(&db_url)
.await
.expect("db connection");
info!("Running db migrations");
sqlx::migrate!().run(&db_pool).await.expect("db migration");
let bind_address = env::var("BIND_ADDRESS").unwrap();
info!("Starting server on {}", bind_address);
let app_url = env::var("APP_URL").unwrap();
let state = Arc::new(ServerContext {
app_url,
authenticator: Authenticator::from_env(db_pool.clone()).await,
db: db_pool,
});
let app = Router::new()
.route("/api/user/info", get(user_info))
// .route("/api/user/table", get(user_table))
.route("/api/login", get(login))
.route(auth::LOGIN_CALLBACK, get(login_callback))
.layer(CookieManagerLayer::new())
.layer(Extension(state))
.layer(TraceLayer::new_for_http());
axum::Server::bind(&bind_address.parse().unwrap())
.serve(app.into_make_service())
.await
.unwrap();
}
async fn user_info(
session: Option<AuthenticatedSession>,
extension: ContextExtension,
) -> Result<Json<Option<UserInfo>>, BridgeError> {
let mut session = match session {
None => return Ok(Json(None)),
Some(s) => s,
};
Ok(Json(Some(UserInfo {
username: extension.authenticator.user_info(&mut session).await?,
table: user_table(extension, &session).await?,
})))
}
async fn user_table(
extension: ContextExtension,
session: &AuthenticatedSession,
) -> Result<Option<Table>, BridgeError> {
Ok(sqlx::query_as!(
Table,
r#"
select tables.id
from table_players players
natural join active_tables tables
where player_id = $1
"#,
session.player_id
)
.fetch_optional(&extension.db)
.await?)
}
async fn login_callback(
cookies: Cookies,
Query(params): Query<HashMap<String, String>>,
extension: ContextExtension,
) -> Result<Redirect, BridgeError> {
let cookie = cookies.get("user-id").unwrap();
let user_id: SessionId = SessionId::from_str(cookie.value())?;
let session = extension
.authenticator
.authenticate(&extension.db, user_id, params)
.await?;
info!("Logged in session: {session:?}");
Ok(Redirect::temporary(&extension.app_url))
}
async fn login(cookies: Cookies, extension: ContextExtension) -> Redirect {
let (user_id, auth_url) = extension.authenticator.get_login_url().await;
info!("Creating auth url for {user_id:?}");
let user_id = serde_json::to_string(&user_id).unwrap();
let mut cookie = Cookie::new("user-id", user_id.to_string());
cookie.set_http_only(true);
cookie.set_secure(true);
cookie.set_same_site(cookie::SameSite::Lax);
cookies.add(cookie);
Redirect::temporary(auth_url.as_str())
}
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