monorepo/visions/server/src/main.rs

use std::{
    convert::Infallible,
    net::{IpAddr, Ipv4Addr, SocketAddr},
    path::PathBuf,
};

use asset_db::{AssetId, FsAssets};
use authdb::AuthError;
use database::DbConn;
use filters::{route_authenticate, route_available_images, route_get_charsheet, route_healthcheck, route_image, route_register_client, route_server_status, route_set_bg_image, route_unregister_client, route_websocket, routes_user_management};
use warp::{
    // header,
    filters::{method, path},
    http::{Response, StatusCode},
    reply::Reply,
    Filter,
};

mod asset_db;
mod core;
mod database;
mod handlers;
mod types;
mod filters;

#[derive(Debug)]
struct Unauthorized;
impl warp::reject::Reject for Unauthorized {}

#[derive(Debug)]
struct AuthDBError(AuthError);
impl warp::reject::Reject for AuthDBError {}

/*
fn with_session(
    auth_ctx: Arc<AuthDB>,
) -> impl Filter<Extract = (Username,), Error = warp::Rejection> + Clone {
    header("authentication").and_then({
        move |value: String| {
            let auth_ctx = auth_ctx.clone();
            async move {
                match auth_ctx.validate_session(SessionToken::from(value)).await {
                    Ok(Some(username)) => Ok(username),
                    Ok(None) => Err(warp::reject::custom(Unauthorized)),
                    Err(err) => Err(warp::reject::custom(AuthDBError(err))),
                }
            }
        }
    })
}

fn route_echo_unauthenticated() -> impl Filter<Extract = (Json,), Error = warp::Rejection> + Clone {
    warp::path!("api" / "v1" / "echo" / String).map(|param: String| {
        println!("param: {}", param);
        warp::reply::json(&vec!["unauthenticated", param.as_str()])
    })
}

fn route_authenticate(
    auth_ctx: Arc<AuthDB>,
) -> impl Filter<Extract = (Json,), Error = warp::Rejection> + Clone {
    let auth_ctx = auth_ctx.clone();
    warp::path!("api" / "v1" / "auth")
        .and(warp::post())
        .and(warp::body::json())
        .map(move |param: AuthToken| {
            let res = handle_auth(&auth_ctx, param.clone());
            warp::reply::json(&param)
        })
}

fn route_echo_authenticated(
    auth_ctx: Arc<AuthDB>,
) -> impl Filter<Extract = (Json,), Error = warp::Rejection> + Clone {
    warp::path!("api" / "v1" / "echo" / String)
        .and(with_session(auth_ctx.clone()))
        .map(move |param: String, username: Username| {
            println!("param: {:?}", username);
            println!("param: {}", param);
            warp::reply::json(&vec!["authenticated", username.as_str(), param.as_str()])
        })
}
*/

async fn handle_rejection(err: warp::Rejection) -> Result<impl Reply, Infallible> {
    println!("handle_rejection: {:?}", err);
    if let Some(Unauthorized) = err.find() {
        Ok(warp::reply::with_status(
            "".to_owned(),
            StatusCode::UNAUTHORIZED,
        ))
    } else {
        Ok(warp::reply::with_status(
            "".to_owned(),
            StatusCode::INTERNAL_SERVER_ERROR,
        ))
    }
}

#[tokio::main]
pub async fn main() {
    pretty_env_logger::init();

    let conn = DbConn::new(Some("/home/savanni/game.db"));

    let core = core::Core::new(FsAssets::new(PathBuf::from("/home/savanni/Pictures")), conn);

    let unauthenticated_endpoints = route_healthcheck().or(route_authenticate(core.clone()));
    let authenticated_endpoints = route_image(core.clone());

    let server = warp::serve(unauthenticated_endpoints
                             .or(authenticated_endpoints)
                             .with(warp::log("visions"))
                             .recover(handle_rejection));
    server
        .run(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 8001))
        .await;
}