transbeam/src/main.rs

92 lines
2.5 KiB
Rust

mod download;
mod store;
mod upload;
mod util;
mod zip;
use std::{fs::File, path::PathBuf};
use actix_web::{
get, middleware::Logger, web, App, HttpRequest, HttpResponse, HttpServer, Responder,
};
use actix_web_actors::ws;
use log::error;
use store::FileStore;
use tokio::sync::RwLock;
const APP_NAME: &str = "transbeam";
type AppData = web::Data<RwLock<FileStore>>;
#[get("/download/{file_code}")]
async fn handle_download(
req: HttpRequest,
path: web::Path<String>,
data: AppData,
) -> actix_web::Result<HttpResponse> {
let file_code = path.into_inner();
if !util::is_ascii_alphanumeric(&file_code) {
return Ok(HttpResponse::NotFound().finish());
}
let data = data.read().await;
let info = data.lookup_file(&file_code);
if let Some(info) = info {
let storage_path = store::storage_dir().join(file_code);
let file = File::open(&storage_path)?;
Ok(download::DownloadingFile {
file,
storage_path,
info,
}
.into_response(&req))
} else {
Ok(HttpResponse::NotFound().finish())
}
}
#[get("/upload")]
async fn handle_upload(req: HttpRequest, stream: web::Payload, data: AppData) -> impl Responder {
ws::start(upload::Uploader::new(data), &req, stream)
}
#[actix_web::main]
async fn main() -> std::io::Result<()> {
env_logger::init();
let data: AppData = web::Data::new(RwLock::new(FileStore::load().await?));
start_reaper(data.clone());
let static_dir =
PathBuf::from(std::env::var("TRANSBEAM_STATIC_DIR").unwrap_or_else(|_| String::from("static")));
let port = std::env::var("TRANSBEAM_PORT")
.ok()
.and_then(|p| p.parse::<u16>().ok())
.unwrap_or(8080);
HttpServer::new(move || {
App::new()
.app_data(data.clone())
.wrap(Logger::default())
.service(handle_upload)
.service(handle_download)
.service(actix_files::Files::new("/", static_dir.clone()).index_file("index.html"))
})
.bind(("127.0.0.1", port))?
.run()
.await?;
Ok(())
}
fn start_reaper(data: AppData) {
std::thread::spawn(move || {
actix_web::rt::System::new().block_on(async {
loop {
actix_web::rt::time::sleep(core::time::Duration::from_secs(86400)).await;
if let Err(e) = data.write().await.remove_expired_files().await {
error!("Error reaping expired files: {}", e);
}
}
});
});
}