rust-nex/rnex-core/src/executables/common.rs

118 lines
3.8 KiB
Rust

use once_cell::sync::Lazy;
use rnex_core::nex::account::Account;
use rnex_core::rmc::protocols::{RmcCallable, RmcConnection, new_rmc_gateway_connection};
use rnex_core::rmc::structures::RmcSerialize;
use rnex_core::rnex_proxy_common::ConnectionInitData;
use std::env;
use std::io::Cursor;
use std::net::{Ipv4Addr, SocketAddrV4};
use std::sync::Arc;
use tokio::net::TcpListener;
use std::sync::LazyLock;
use std::sync::OnceLock;
cfg_if! {
if #[cfg(feature = "datastore")] {
use sqlx::postgres::PgPool;
}
}
use log::error;
use std::error::Error;
use std::string::ToString;
use cfg_if::cfg_if;
use crate::reggie::UnitPacketRead;
const IP_REQ_SERVICE_URL: &str = "https://ipinfo.io/ip";
cfg_if! {
if #[cfg(feature = "datastore")] {
pub static RNEX_DATASTORE_DATABASE_URL: LazyLock<String> = LazyLock::new(|| {
std::env::var("RNEX_DATASTORE_DATABASE_URL")
.expect("RNEX_DATASTORE_DATABASE_URL must be set")
});
pub static DB_POOL: OnceLock<PgPool> = OnceLock::new();
pub fn get_db() -> &'static PgPool {
DB_POOL.get().expect("db_pool not initialized")
}
pub static RNEX_DATASTORE_S3_ENDPOINT: LazyLock<String> = LazyLock::new(|| {
std::env::var("RNEX_DATASTORE_S3_ENDPOINT")
.expect("RNEX_DATASTORE_S3_ENDPOINT must be set")
});
pub static RNEX_DATASTORE_S3_BUCKET: LazyLock<String> = LazyLock::new(|| {
std::env::var("RNEX_DATASTORE_S3_BUCKET")
.expect("RNEX_DATASTORE_S3_BUCKET must be set")
});
}
}
pub fn try_get_ip() -> Result<Ipv4Addr, Box<dyn Error>> {
let mut req = ureq::get(IP_REQ_SERVICE_URL).call()?;
Ok(req.body_mut().read_to_string()?.parse()?)
}
pub static OWN_IP_PRIVATE: Lazy<Ipv4Addr> = Lazy::new(|| {
env::var("SERVER_IP")
.ok()
.map(|s| s.parse().expect("invalid ip address"))
.unwrap_or(Ipv4Addr::UNSPECIFIED)
});
pub static OWN_IP_PUBLIC: Lazy<Ipv4Addr> = Lazy::new(|| {
env::var("SERVER_IP_PUBLIC")
.ok()
.map(|s| s.parse().expect("invalid ip address"))
.unwrap_or_else(|| try_get_ip().unwrap())
});
pub static SERVER_PORT: Lazy<u16> = Lazy::new(|| {
env::var("SERVER_PORT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(10000)
});
pub static KERBEROS_SERVER_PASSWORD: Lazy<String> = Lazy::new(|| {
env::var("AUTH_SERVER_PASSWORD")
.ok()
.unwrap_or("password".to_owned())
});
pub static AUTH_SERVER_ACCOUNT: Lazy<Account> =
Lazy::new(|| Account::new(1, "Quazal Authentication", &KERBEROS_SERVER_PASSWORD));
pub static SECURE_SERVER_ACCOUNT: Lazy<Account> =
Lazy::new(|| Account::new(2, "Quazal Rendez-Vous", &KERBEROS_SERVER_PASSWORD));
pub async fn new_simple_backend<T: RmcCallable + Sync + Send + 'static, F>(mut creation_function: F)
where
F: FnMut(ConnectionInitData, RmcConnection) -> Arc<T>,
{
let listen = TcpListener::bind(SocketAddrV4::new(*OWN_IP_PRIVATE, *SERVER_PORT))
.await
.unwrap();
while let Ok((mut stream, _addr)) = listen.accept().await {
let buffer = match stream.read_buffer().await {
Ok(v) => v,
Err(e) => {
error!(
"an error ocurred whilest reading connection data buffer: {:?}",
e
);
continue;
}
};
let user_connection_data = ConnectionInitData::deserialize(&mut Cursor::new(buffer));
let user_connection_data = match user_connection_data {
Ok(v) => v,
Err(e) => {
error!("an error ocurred whilest reading connection data: {:?}", e);
continue;
}
};
let fun_ref = &mut creation_function;
new_rmc_gateway_connection(stream.into(), move |r| fun_ref(user_connection_data, r));
}
}