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Alois 2026-04-02 22:28:41 +02:00
commit b9b1f1fc1c
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65
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mod server;
mod sql;
mod transport;
mod util;
use crate::sql::sql::initialize_db;
use crate::sql::sql::print_users;
use crate::transport::omikron_connection;
use crate::util::crypto_helper::load_public_key;
use crate::util::crypto_helper::load_secret_key;
use crate::util::logger::PrintType;
use crate::util::logger::startup;
use dotenv::dotenv;
use once_cell::sync::Lazy;
use rustls::crypto::aws_lc_rs::default_provider;
use std::env;
static PRIVATE_KEY: Lazy<String> = Lazy::new(|| env::var("PRIVATE_KEY").unwrap());
pub fn get_private_key() -> x448::Secret {
load_secret_key(&*PRIVATE_KEY).unwrap()
}
static PUBLIC_KEY: Lazy<String> = Lazy::new(|| env::var("PUBLIC_KEY").unwrap());
pub fn get_public_key() -> x448::PublicKey {
load_public_key(&*PUBLIC_KEY).unwrap()
}
#[tokio::main]
async fn main() {
if let Err(_) = default_provider().install_default() {
println!("Error loading Provider");
return;
}
dotenv().ok();
startup();
log_in!("Incoming messages");
log_out!("Outgoing messages");
tokio::spawn(async move {
match omikron_connection::start(9187).await {
Err(e) => log_err!(0, PrintType::General, "{:?}", e),
_ => {}
}
});
log!("Started");
log!(" .env");
if let Err(e) = initialize_db().await {
log!("[FATAL] Database initialization failed: {}", e);
log!(
"[FATAL] Please ensure the database is running and the .env file is configured correctly."
);
return;
} else {
log!(" DB");
}
if let Err(e) = print_users().await {
log!("[ERROR] Failed to print users: {}", e);
} else {
log!(" Users");
}
let _ = server::server::start(9188).await;
tokio::signal::ctrl_c().await.unwrap();
}

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use crate::get_public_key;
use crate::sql::sql;
use crate::sql::user_online_tracker::get_iota_primary_omikron_connection;
use crate::transport::omikron_manager::get_random_omikron;
use crate::util::file_util::get_directory;
use crate::{
sql::sql::{get_by_user_id, get_omikron_by_id},
util::crypto_helper::public_key_to_base64,
};
use actix_web::HttpResponse;
use actix_web::http::{StatusCode, header};
use base64::Engine as _;
use json::JsonValue;
pub async fn handle(path: &str, body_string: Option<String>) -> HttpResponse {
if path == "OPTIONS" {
return HttpResponse::Ok()
.insert_header(("Access-Control-Allow-Origin", "*"))
.insert_header(("Access-Control-Allow-Methods", "GET, POST, OPTIONS"))
.insert_header(("Access-Control-Allow-Headers", "*"))
.finish();
}
let path_parts: Vec<&str> = path.split("/").filter(|s| !s.is_empty()).collect();
let _body: Option<JsonValue> = if body_string.is_some() {
if let Ok(body_json) = json::parse(&body_string.unwrap()) {
Some(body_json)
} else {
None
}
} else {
None
};
let (status, body_text) = match path_parts.as_slice() {
// ==================================================
// DOWNLOAD IOTA FRONTEND
// ==================================================
["api", "download", "iota_frontend"] => {
let file_path = format!("{}/downloads/iota_frontend.zip", get_directory());
match std::fs::read(file_path) {
Ok(file_bytes) => {
return HttpResponse::Ok()
.insert_header(("Access-Control-Allow-Origin", "*"))
.insert_header(("Content-Type", "application/zip"))
.insert_header((
"Content-Disposition",
"attachment; filename=\"iota_frontend.zip\"",
))
.body(file_bytes);
}
Err(_) => {
let mut res = JsonValue::new_object();
res["status"] = "error_not_found".into();
return HttpResponse::NotFound()
.insert_header(("Access-Control-Allow-Origin", "*"))
.body(res.dump());
}
}
}
// ==================================================
// GET RANDOM OMIKRON
// ==================================================
["api", "get", "omikron"] => {
if let Ok(omikron_conn) = get_random_omikron().await {
if let Some(id) = omikron_conn.get_omikron_id().await {
if let Ok((public_key, ip_address)) = sql::get_omikron_by_id(id).await {
let mut res = JsonValue::new_object();
res["status"] = "success".into();
res["id"] = id.into();
res["public_key"] = public_key.into();
res["ip_address"] = ip_address.into();
(StatusCode::OK, res.dump())
} else {
let mut res = JsonValue::new_object();
res["status"] = "error".into();
(StatusCode::INTERNAL_SERVER_ERROR, res.dump())
}
} else {
let mut res = JsonValue::new_object();
res["status"] = "error".into();
(StatusCode::INTERNAL_SERVER_ERROR, res.dump())
}
} else {
let mut res = JsonValue::new_object();
res["status"] = "error_not_found".into();
(StatusCode::NOT_FOUND, res.dump())
}
}
// ==================================================
// GET OMIKRON BY ID
// ==================================================
["api", "get", "omikron", id] => {
let id = id.parse::<i64>().unwrap_or(0);
if id == 0 {
let mut res = JsonValue::new_object();
res["status"] = "error_bad_request".into();
(StatusCode::BAD_REQUEST, res.dump())
} else if let Ok((public_key, ip_address)) = get_omikron_by_id(id).await {
let mut res = JsonValue::new_object();
res["status"] = "success".into();
res["id"] = id.into();
res["public_key"] = public_key.into();
res["ip_address"] = ip_address.into();
(StatusCode::OK, res.dump())
} else if let Some(omikron_id) = get_iota_primary_omikron_connection(id) {
if let Ok((public_key, ip_address)) = get_omikron_by_id(omikron_id).await {
let mut res = JsonValue::new_object();
res["status"] = "success".into();
res["id"] = omikron_id.into();
res["public_key"] = public_key.into();
res["ip_address"] = ip_address.into();
(StatusCode::OK, res.dump())
} else {
let mut res = JsonValue::new_object();
res["status"] = "error_not_found".into();
(StatusCode::NOT_FOUND, res.dump())
}
} else if let Ok((_, iota_id, _, _, _, _, _, _, _, _, _, _)) = get_by_user_id(id).await
{
if let Some(omikron_id) = get_iota_primary_omikron_connection(iota_id) {
if let Ok((public_key, ip_address)) = get_omikron_by_id(omikron_id).await {
let mut res = JsonValue::new_object();
res["status"] = "success".into();
res["id"] = omikron_id.into();
res["public_key"] = public_key.into();
res["ip_address"] = ip_address.into();
(StatusCode::OK, res.dump())
} else {
let mut res = JsonValue::new_object();
res["status"] = "error_not_found".into();
(StatusCode::NOT_FOUND, res.dump())
}
} else {
let mut res = JsonValue::new_object();
res["status"] = "error_not_found".into();
(StatusCode::NOT_FOUND, res.dump())
}
} else {
let mut res = JsonValue::new_object();
res["status"] = "error_not_found".into();
(StatusCode::NOT_FOUND, res.dump())
}
}
// ==================================================
// GET ID BY USERNAME
// ==================================================
["api", "get", "id", username] => {
if username.is_empty() {
let mut res = JsonValue::new_object();
res["status"] = "error_bad_request".into();
(StatusCode::BAD_REQUEST, res.dump())
} else if let Ok((
id,
iota_id,
username,
_,
_,
_,
_,
sub_level,
sub_end,
public_key,
_,
_,
)) = sql::get_by_username(username).await
{
let mut res = JsonValue::new_object();
res["status"] = "success".into();
res["username"] = username.into();
res["public_key"] = public_key.into();
res["user_id"] = id.into();
res["iota_id"] = iota_id.into();
res["sub_level"] = sub_level.into();
res["sub_end"] = sub_end.into();
(StatusCode::OK, res.dump())
} else {
let mut res = JsonValue::new_object();
res["status"] = "error_not_found".into();
(StatusCode::OK, res.dump())
}
}
// ==================================================
// GET SERVER PUBLIC KEY
// ==================================================
["api", "get", "public_key"] => {
let mut res = JsonValue::new_object();
res["status"] = "success".into();
res["public_key"] = public_key_to_base64(&get_public_key()).into();
(StatusCode::OK, res.dump())
}
// ==================================================
// GET USER BY ID
// ==================================================
["api", "get", "user", id] => {
let id: i64 = id.parse().unwrap_or(0);
if id == 0 {
let mut res = JsonValue::new_object();
res["status"] = "error_bad_request".into();
(StatusCode::BAD_REQUEST, res.dump())
} else if let Ok((
id,
iota_id,
username,
display,
status_msg,
about,
avatar,
sub_level,
sub_end,
public_key,
_,
_,
)) = sql::get_by_user_id(id).await
{
let mut res = JsonValue::new_object();
res["status"] = "success".into();
res["username"] = username.into();
res["public_key"] = public_key.into();
res["user_id"] = id.into();
res["iota_id"] = iota_id.into();
res["sub_level"] = sub_level.into();
res["sub_end"] = sub_end.into();
if let Some(display) = display {
res["display"] = display.into();
}
if let Some(status_msg) = status_msg {
res["status_message"] = status_msg.into();
}
if let Some(about) = about {
res["about"] = about.into();
}
if let Some(avatar) = avatar {
res["avatar"] = base64::engine::general_purpose::STANDARD
.encode(avatar)
.into();
}
(StatusCode::OK, res.dump())
} else {
let mut res = JsonValue::new_object();
res["status"] = "error_not_found".into();
(StatusCode::OK, res.dump())
}
}
// ==================================================
// DEFAULT
// ==================================================
_ => {
let mut res = JsonValue::new_object();
res["status"] = "error".into();
(StatusCode::INTERNAL_SERVER_ERROR, res.dump())
}
};
let body_bytes = body_text.into_bytes();
HttpResponse::build(status)
.insert_header((header::ACCESS_CONTROL_ALLOW_ORIGIN, "*"))
.insert_header((header::ACCESS_CONTROL_ALLOW_HEADERS, "*"))
.insert_header((header::ACCESS_CONTROL_ALLOW_METHODS, "GET, POST, OPTIONS"))
.body(body_bytes)
}

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pub mod api;
pub mod server;
pub mod short_link;

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use crate::{
log,
server::{api, short_link::get_short_link},
util::file_util::load_file_buf,
};
use actix_web::{App, HttpRequest, HttpResponse, HttpServer, Responder, http::header, web};
use rustls::ServerConfig;
use rustls::pki_types::{CertificateDer, PrivateKeyDer};
use rustls_pemfile::{certs, pkcs8_private_keys};
pub async fn start(port: u16) -> anyhow::Result<()> {
let mut cert_reader = load_file_buf("certs", "server_cert.pem")?;
let mut key_reader = load_file_buf("certs", "server_key.pem")?;
let cert_chain: Vec<CertificateDer<'static>> =
certs(&mut cert_reader).collect::<Result<_, _>>()?;
let mut keys: Vec<PrivateKeyDer<'static>> = pkcs8_private_keys(&mut key_reader)
.map(|res| res.map(Into::into))
.collect::<Result<_, _>>()?;
let key = keys.remove(0);
let mut config = ServerConfig::builder()
.with_no_client_auth()
.with_single_cert(cert_chain, key)?;
config.alpn_protocols = vec![b"h2".to_vec(), b"http/1.1".to_vec()];
let addr = format!("0.0.0.0:{port}");
log!(" Server on {}", addr);
HttpServer::new(move || {
App::new()
.route("/api/{path:.*}", web::to(api_handler))
.route("/direct/{path:.*}", web::to(direct_handler))
})
.bind_rustls_0_23(addr, config)?
.run()
.await?;
Ok(())
}
async fn direct_handler(req: HttpRequest) -> impl Responder {
let path = req.uri().path().to_string();
let short = path.replace("/direct/", "");
if let Ok(long) = get_short_link(&short).await {
HttpResponse::TemporaryRedirect()
.append_header((header::LOCATION, long))
.finish()
} else {
HttpResponse::TemporaryRedirect()
.append_header((header::LOCATION, "https://tensamin.net"))
.finish()
}
}
async fn api_handler(req: HttpRequest, body: web::Bytes) -> HttpResponse {
let path = req.uri().path().to_string();
let body_string = String::from_utf8_lossy(&body).to_string();
api::handle(&path, Some(body_string)).await
}

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use dashmap::DashMap;
use once_cell::sync::Lazy;
use rand::{Rng, thread_rng};
static LINKS: Lazy<DashMap<String, String>> = Lazy::new(DashMap::new);
const CHARSET: &[u8] = b"abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNPRSTUVWXYZ1234567890";
pub async fn add_short_link(long: &str) -> Result<String, ()> {
let raw = generate_unique_short_link().await;
LINKS.insert(raw.clone(), long.to_string());
Ok(format!(
"https://omega.tensamin.net/direct/{}",
format_with_dashes(&raw)
))
}
async fn generate_unique_short_link() -> String {
loop {
let short = generate_short_link().await;
if !LINKS.contains_key(&short) {
return short;
}
}
}
pub async fn generate_short_link() -> String {
let len = short_length();
let mut rng = thread_rng();
(0..len)
.map(|_| {
let idx = rng.gen_range(0..CHARSET.len());
CHARSET[idx] as char
})
.collect()
}
pub async fn get_short_link(short: &str) -> Result<String, ()> {
let key = if short.contains("/") {
short.split("/").nth(1).unwrap_or_default()
} else {
short
};
let frag = short.replace(key, "");
let normalized = normalize_short(&key);
if let Ok(t) = LINKS.get(&normalized).map(|v| v.value().clone()).ok_or(()) {
Ok(format!("{}{}", t, frag))
} else {
Err(())
}
}
/* ---------------- helpers ---------------- */
fn short_length() -> usize {
let count = LINKS.len();
match count {
0..=1_999 => 4,
2_000..=999_999 => 8,
_ => 12,
}
}
fn format_with_dashes(s: &str) -> String {
s.chars()
.collect::<Vec<_>>()
.chunks(4)
.map(|c| c.iter().collect::<String>())
.collect::<Vec<_>>()
.join("-")
}
fn normalize_short(input: &str) -> String {
input
.chars()
.filter(|c| *c != '-')
.map(|c| match c {
'Q' | 'O' => '0',
'I' => 'l',
_ => c,
})
.collect()
}

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use strum::IntoEnumIterator;
use strum_macros::EnumIter;
#[derive(Debug, Clone, PartialEq, EnumIter, Eq)]
#[allow(unused, non_camel_case_types)]
pub enum UserStatus {
user_offline,
user_online,
user_dnd,
user_idle,
user_wc,
user_borked,
iota_offline,
iota_online,
iota_borked,
}
#[allow(unused)]
impl UserStatus {
pub fn to_string(&self) -> String {
format!("{:?}", self)
}
pub fn from_str(s: &str) -> Option<UserStatus> {
for sel in UserStatus::iter() {
if &sel.to_string() == s {
return Some(sel);
}
}
None
}
}

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pub mod connection_status;
pub mod sql;
pub mod user_online_tracker;

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use crate::log;
use once_cell::sync::Lazy;
use sqlx::{MySql, Pool, Row, mysql::MySqlPoolOptions};
use std::sync::atomic::{AtomicU64, Ordering};
use std::{
env,
sync::Arc,
time::{SystemTime, UNIX_EPOCH},
};
use tokio::sync::RwLock;
/*
use crate::sql::{
iota_omikron_tracker::{get_omikron_for_iota, track_iota_omikron, untrack_iota},
sql::{
change_about, change_avatar, change_display_name, change_iota_id, change_iota_key,
change_keys, change_status, change_username, get_by_id, get_by_username, get_iota_by_id,
get_register_id, register_complete_iota, register_complete_user,
},
};
*/
static SQL_DB: Lazy<Arc<RwLock<Option<Pool<MySql>>>>> = Lazy::new(|| Arc::new(RwLock::new(None)));
pub async fn connect() -> Result<Pool<MySql>, sqlx::Error> {
let user = env::var("DB_USERNAME").expect("DB_USERNAME is not set");
let passwd = env::var("DB_PASSWD").expect("DB_PASSWD is not set");
let table = env::var("DB_TABLE").expect("DB_TABLE is not set");
MySqlPoolOptions::new()
.max_connections(200)
.connect(&format!(
"mysql://{}:{}@127.0.0.1:3306/{}",
user, passwd, table
))
.await
}
// Omega
// - Omikron
// - Iota
// - User
// - User
// - Iota
// - User
// - User
// - Omikron
// - Iota
// - User
// - User
// - Iota
// - User
// - User
pub async fn initialize_db() -> Result<(), sqlx::Error> {
let pool = connect().await?;
let mut db_lock = SQL_DB.write().await;
// create tables
// with indexes
let _ = sqlx::query(
"CREATE TABLE IF NOT EXISTS
users (
id BIGINT UNSIGNED NOT NULL PRIMARY KEY,
username VARCHAR(15) NOT NULL UNIQUE COLLATE utf8mb4_bin,
display VARCHAR(15) COLLATE utf8mb4_bin,
status VARCHAR(15) COLLATE utf8mb4_bin,
about VARCHAR(200) COLLATE utf8mb4_bin,
avatar MEDIUMBLOB,
sub_level INT(11) NOT NULL DEFAULT 0,
sub_end BIGINT(20) NOT NULL DEFAULT 0,
public_key TEXT NOT NULL COLLATE utf8mb4_bin,
private_key_hash TEXT NOT NULL COLLATE utf8mb4_bin DEFAULT '',
iota_id BIGINT UNSIGNED NOT NULL,
token VARCHAR(255) NOT NULL UNIQUE COLLATE utf8mb4_bin
)",
)
.execute(&pool)
.await;
let _ = sqlx::query(
"CREATE TABLE IF NOT EXISTS
iotas (
id BIGINT UNSIGNED NOT NULL PRIMARY KEY,
public_key VARCHAR(255) NOT NULL COLLATE utf8mb4_bin
)",
)
.execute(&pool)
.await;
let _ = sqlx::query(
"CREATE TABLE IF NOT EXISTS
omikrons (
id BIGINT UNSIGNED NOT NULL PRIMARY KEY,
public_key VARCHAR(255) NOT NULL COLLATE utf8mb4_bin,
location VARCHAR(255) NOT NULL COLLATE utf8mb4_bin,
ip_address VARCHAR(255) NOT NULL COLLATE utf8mb4_bin
)",
)
.execute(&pool)
.await;
let _ = sqlx::query(
"CREATE TABLE IF NOT EXISTS
notifications (
id BIGINT UNSIGNED NOT NULL PRIMARY KEY AUTO INCREMENT,
sender_id BIGINT UNSIGNED NOT NULL,
receiver_id BIGINT UNSIGNED NOT NULL,
amount BIGINT UNSIGNED NOT NULL DEFAULT 0
)",
)
.execute(&pool)
.await;
*db_lock = Some(pool);
Ok(())
}
// ==========================================================================================
// REGISTER
// ==========================================================================================
pub static CURRENT_MILLI_USED: Lazy<Arc<AtomicU64>> = Lazy::new(|| Arc::new(AtomicU64::new(0)));
pub static CURRENT_REGISTER_PROCESS: Lazy<Arc<RwLock<Vec<u64>>>> =
Lazy::new(|| Arc::new(RwLock::new(Vec::new())));
pub async fn get_register_id() -> u64 {
let mut current_time = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap_or_default()
.as_millis() as u64;
loop {
let current_locked = CURRENT_MILLI_USED.load(Ordering::SeqCst);
if current_locked < current_time {
let result = CURRENT_MILLI_USED.compare_exchange(
current_locked, // expected value
current_time, // new value
Ordering::SeqCst, // acquire/release ordering
Ordering::SeqCst, // failure ordering
);
match result {
Ok(_) => {
CURRENT_REGISTER_PROCESS.write().await.push(current_time);
return current_time;
}
Err(_) => {
continue;
}
}
} else {
current_time = current_locked + 1;
}
}
}
// ==========================================================================================
// USERS
// ==========================================================================================
pub async fn get_by_username(
username: &str,
) -> Result<
(
i64,
i64,
String,
Option<String>,
Option<String>,
Option<String>,
Option<Vec<u8>>,
i32,
i64,
String,
String,
String,
),
sqlx::Error,
> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
let row = sqlx::query(
"SELECT id, iota_id, username, display, status, about, avatar, sub_level, sub_end, public_key, private_key_hash, token FROM users WHERE username = ?",
)
.bind(username)
.fetch_optional(&pool)
.await?;
match row {
Some(row) => {
let id: i64 = row.get("id");
let iota_id: i64 = row.get("iota_id");
let username: String = row.get("username");
let display: Option<Vec<u8>> = row.get("display");
let status: Option<Vec<u8>> = row.get("status");
let about: Option<Vec<u8>> = row.get("about");
let avatar: Option<Vec<u8>> = row.get("avatar");
let sub_level: i32 = row.get("sub_level");
let sub_end: i64 = row.get("sub_end");
let public_key: String = row.get("public_key");
let private_key_hash: String = row.get("private_key_hash");
let token: Vec<u8> = row.get("token");
Ok((
id,
iota_id,
username,
display.map(|d| String::from_utf8_lossy(&d).to_string()),
status.map(|s| String::from_utf8_lossy(&s).to_string()),
about.map(|a| String::from_utf8_lossy(&a).to_string()),
avatar,
sub_level,
sub_end,
public_key,
private_key_hash,
String::from_utf8_lossy(&token).to_string(),
))
}
_ => Err(sqlx::Error::RowNotFound),
}
}
pub async fn get_by_user_id(
id: i64,
) -> Result<
(
i64,
i64,
String,
Option<String>,
Option<String>,
Option<String>,
Option<Vec<u8>>,
i32,
i64,
String,
String,
String,
),
sqlx::Error,
> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
let row = sqlx::query(
"SELECT id, iota_id, username, display, status, about, avatar, sub_level, sub_end, public_key, private_key_hash, token FROM users WHERE id = CAST(? AS UNSIGNED)",
)
.bind(id)
.fetch_optional(&pool)
.await?;
match row {
Some(row) => {
let id: i64 = row.get("id");
let iota_id: i64 = row.get("iota_id");
let username: String = row.get("username");
let display: Option<Vec<u8>> = row.get("display");
let status: Option<Vec<u8>> = row.get("status");
let about: Option<Vec<u8>> = row.get("about");
let avatar: Option<Vec<u8>> = row.get("avatar");
let sub_level: i32 = row.get("sub_level");
let sub_end: i64 = row.get("sub_end");
let public_key: String = row.get("public_key");
let private_key_hash: String = row.get("private_key_hash");
let token: Vec<u8> = row.get("token");
Ok((
id,
iota_id,
username,
display.map(|d| String::from_utf8_lossy(&d).to_string()),
status.map(|s| String::from_utf8_lossy(&s).to_string()),
about.map(|a| String::from_utf8_lossy(&a).to_string()),
avatar,
sub_level,
sub_end,
public_key,
private_key_hash,
String::from_utf8_lossy(&token).to_string(),
))
}
_ => Err(sqlx::Error::RowNotFound),
}
}
pub async fn get_users_by_iota_id(
iota_id_param: i64,
) -> Result<
Vec<(
i64,
i64,
String,
Option<String>,
Option<String>,
Option<String>,
Option<Vec<u8>>,
i32,
i64,
String,
String,
String,
)>,
sqlx::Error,
> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
let rows = sqlx::query(
"SELECT id, iota_id, username, display, status, about, avatar, sub_level, sub_end, public_key, private_key_hash, token FROM users WHERE iota_id = CAST(? AS UNSIGNED)",
)
.bind(iota_id_param)
.fetch_all(&pool)
.await?;
let mut users = Vec::new();
for row in rows {
let id: i64 = row.get("id");
let iota_id: i64 = row.get("iota_id");
let username: String = row.get("username");
let display: Option<Vec<u8>> = row.get("display");
let status: Option<Vec<u8>> = row.get("status");
let about: Option<Vec<u8>> = row.get("about");
let avatar: Option<Vec<u8>> = row.get("avatar");
let sub_level: i32 = row.get("sub_level");
let sub_end: i64 = row.get("sub_end");
let public_key: String = row.get("public_key");
let private_key_hash: String = row.get("private_key_hash");
let token: Vec<u8> = row.get("token");
users.push((
id,
iota_id,
username,
display.map(|d| String::from_utf8_lossy(&d).to_string()),
status.map(|s| String::from_utf8_lossy(&s).to_string()),
about.map(|a| String::from_utf8_lossy(&a).to_string()),
avatar,
sub_level,
sub_end,
public_key,
private_key_hash,
String::from_utf8_lossy(&token).to_string(),
));
}
Ok(users)
}
pub async fn change_username(id: i64, new_username: String) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("UPDATE users SET username = ? WHERE id = CAST(? AS UNSIGNED)")
.bind(new_username)
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn change_display_name(id: i64, new_display: String) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("UPDATE users SET display = ? WHERE id = CAST(? AS UNSIGNED)")
.bind(new_display)
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn change_avatar(id: i64, new_avatar: String) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("UPDATE users SET avatar = ? WHERE id = CAST(? AS UNSIGNED)")
.bind(new_avatar)
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn change_about(id: i64, new_about: String) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("UPDATE users SET about = ? WHERE id = CAST(? AS UNSIGNED)")
.bind(new_about)
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn change_status(id: i64, new_status: String) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("UPDATE users SET status = ? WHERE id = CAST(? AS UNSIGNED)")
.bind(new_status)
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn delete_user(id: i64) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("DELETE FROM users WHERE id = CAST(? AS UNSIGNED)")
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn change_iota_id(id: i64, new_iota_id: i64) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("UPDATE users SET iota_id = CAST(? AS UNSIGNED) WHERE id = CAST(? AS UNSIGNED)")
.bind(new_iota_id)
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn change_keys(
id: i64,
new_public_key: String,
new_private_key_hash: String,
) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query(
"UPDATE users SET public_key = ?, private_key_hash = ? WHERE id = CAST(? AS UNSIGNED)",
)
.bind(new_public_key)
.bind(new_private_key_hash)
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn change_token(id: i64, new_token: String) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("UPDATE users SET token = ? WHERE id = CAST(? AS UNSIGNED)")
.bind(new_token)
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn register_complete_user(
id: i64,
username: String,
public_key: String,
iota_id: i64,
token: String,
) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query(
"INSERT INTO users (id, username, public_key, iota_id, token) VALUES (?, ?, ?, ?, ?)",
)
.bind(id)
.bind(username)
.bind(public_key)
.bind(iota_id)
.bind(token)
.execute(&pool)
.await?;
Ok(())
}
pub async fn print_users() -> Result<(), Box<dyn std::error::Error>> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
log!("Printing users...");
for row in sqlx::query(
"SELECT id, iota_id, username, display, status, about, sub_level, sub_end, public_key, private_key_hash, token FROM users",
)
.fetch_all(&pool)
.await?
.iter()
{
let id: i64 = row.get("id");
let iota_id: i64 = row.get("iota_id");
let username: String = row.get("username");
let display: Option<Vec<u8>> = row.get("display");
let status: Option<Vec<u8>> = row.get("status");
let about: Option<Vec<u8>> = row.get("about");
let sub_level: i32 = row.get("sub_level");
let sub_end: i64 = row.get("sub_end");
log!(
"User: {:?}",
(
id,
iota_id,
username,
display.map_or("".to_string(), |d| String::from_utf8_lossy(&d).to_string()),
status.map_or("".to_string(), |s| String::from_utf8_lossy(&s).to_string()),
about.map_or("".to_string(), |a| String::from_utf8_lossy(&a).to_string()),
sub_level,
sub_end
)
);
}
Ok(())
}
// ==========================================================================================
// IOTA
// ==========================================================================================
pub async fn create_new_iota(public_key: String) -> Result<i64, sqlx::Error> {
let new_id = get_register_id().await as i64;
register_complete_iota(new_id, public_key).await?;
Ok(new_id)
}
pub async fn register_complete_iota(id: i64, public_key: String) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("INSERT INTO iotas (id, public_key) VALUES (?, ?)")
.bind(id)
.bind(public_key)
.execute(&pool)
.await?;
Ok(())
}
pub async fn get_iota_by_id(id: i64) -> Result<(i64, String), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
let result = sqlx::query_as::<_, (u64, Vec<u8>)>(
"SELECT id, public_key FROM iotas WHERE id = CAST(? AS UNSIGNED)",
)
.bind(id)
.fetch_optional(&pool)
.await;
match result {
Ok(optional_row) => match optional_row {
Some((id_u64, public_key)) => Ok((
id_u64 as i64,
String::from_utf8_lossy(&public_key).to_string(),
)),
_ => Err(sqlx::Error::RowNotFound),
},
Err(e) => Err(e),
}
}
pub async fn change_iota_key(id: i64, new_key: String) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("UPDATE iotas SET public_key = ? WHERE id = CAST(? AS UNSIGNED)")
.bind(new_key)
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
pub async fn delete_iota(id: i64) -> Result<(), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
sqlx::query("DELETE FROM iotas WHERE id = CAST(? AS UNSIGNED)")
.bind(id)
.execute(&pool)
.await?;
Ok(())
}
// ==========================================================================================
// OMIKRONS
// ==========================================================================================
pub async fn get_omikron_by_id(id: i64) -> Result<(String, String), sqlx::Error> {
let pool = {
let db_lock = SQL_DB.read().await;
db_lock
.as_ref()
.cloned()
.expect("Database pool not initialized")
};
let row = sqlx::query_as::<_, (Vec<u8>, Vec<u8>)>(
"SELECT public_key, ip_address FROM omikrons WHERE id = CAST(? AS UNSIGNED)",
)
.bind(id)
.fetch_optional(&pool)
.await?;
match row {
Some((public_key, ip_address)) => Ok((
String::from_utf8_lossy(&public_key).to_string(),
String::from_utf8_lossy(&ip_address).to_string(),
)),
_ => Err(sqlx::Error::RowNotFound),
}
}
// ==========================================================================================
// PHI
// ==========================================================================================
pub async fn add_notification(sender_id: i64, receiver_id: i64) -> Result<(), sqlx::Error> {
let db_lock = SQL_DB.read().await;
let pool = db_lock.as_ref().expect("Database pool is not initialized");
sqlx::query(
r#"
INSERT INTO notifications (sender_id, receiver_id, amount)
VALUES (?, ?, 1)
ON DUPLICATE KEY UPDATE amount = amount + 1
"#,
)
.bind(sender_id)
.bind(receiver_id)
.execute(pool)
.await?;
Ok(())
}
pub async fn read_notification(sender_id: i64, receiver_id: i64) -> Result<(), sqlx::Error> {
let db_lock = SQL_DB.read().await;
let pool = db_lock.as_ref().expect("Database pool is not initialized");
sqlx::query(
r#"
DELETE FROM notifications WHERE sender_id = ? AND receiver_id = ?
"#,
)
.bind(sender_id)
.bind(receiver_id)
.execute(pool)
.await?;
Ok(())
}
pub async fn get_notifications(user_id: i64) -> Result<Vec<(i64, i64)>, sqlx::Error> {
let db_lock = SQL_DB.read().await;
let pool = db_lock.as_ref().expect("Database pool is not initialized");
sqlx::query_as::<_, (i64, i64)>(
r#"
SELECT sender_id, amount FROM notifications WHERE receiver_id = ?
"#,
)
.bind(user_id)
.fetch_all(pool)
.await
}

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use crate::sql;
use crate::sql::connection_status::UserStatus;
use dashmap::DashMap;
use once_cell::sync::Lazy;
#[derive(Debug, Clone)]
pub struct UserConnection {
pub connection_type: UserStatus,
pub omikron_id: i64,
}
// IotaID -> Primary OmikronID
static IOTA_PRIMARY_OMIKRON_CONNECTION: Lazy<DashMap<i64, i64>> = Lazy::new(DashMap::new);
// IotaID -> Vec<OmikronID>
static IOTA_OMIKRON_CONNECTIONS: Lazy<DashMap<i64, Vec<i64>>> = Lazy::new(DashMap::new);
// UserID -> UserStatus
static USER_STATUS_MAP: Lazy<DashMap<i64, UserConnection>> = Lazy::new(DashMap::new);
pub fn track_iota_connection(iota_id: i64, omikron_id: i64, primary: bool) {
let mut entry = IOTA_OMIKRON_CONNECTIONS
.entry(iota_id)
.or_insert_with(Vec::new);
if !entry.contains(&omikron_id) {
entry.push(omikron_id);
}
if primary {
IOTA_PRIMARY_OMIKRON_CONNECTION.insert(iota_id, omikron_id);
}
}
pub fn untrack_iota_connection(iota_id: i64, omikron_id: i64) -> bool {
let connections_empty = if let Some(r) = IOTA_OMIKRON_CONNECTIONS.get(&iota_id) {
let mut vec = r.value().clone();
vec.retain(|&id| id != omikron_id);
let empty = vec.is_empty();
drop(r);
IOTA_OMIKRON_CONNECTIONS.insert(iota_id, vec);
empty
} else {
false
};
if let Some(primary_ref) = IOTA_PRIMARY_OMIKRON_CONNECTION.get(&iota_id) {
let primary_id = *primary_ref.value();
drop(primary_ref);
if primary_id == omikron_id {
IOTA_PRIMARY_OMIKRON_CONNECTION.remove(&iota_id);
}
}
if connections_empty {
IOTA_OMIKRON_CONNECTIONS.remove(&iota_id);
}
connections_empty
}
pub fn get_iota_primary_omikron_connection(iota_id: i64) -> Option<i64> {
IOTA_PRIMARY_OMIKRON_CONNECTION.get(&iota_id).map(|v| *v)
}
pub fn get_iota_omikron_connections(iota_id: i64) -> Option<Vec<i64>> {
IOTA_OMIKRON_CONNECTIONS.get(&iota_id).map(|v| v.clone())
}
pub fn track_user_status(user_id: i64, status: UserStatus, omikron_id: i64) {
USER_STATUS_MAP.insert(
user_id,
UserConnection {
connection_type: status,
omikron_id,
},
);
}
pub fn get_user_status(user_id: i64) -> Option<UserConnection> {
USER_STATUS_MAP.get(&user_id).map(|v| v.clone())
}
pub fn untrack_many_users(user_ids: &[i64]) {
for user_id in user_ids {
USER_STATUS_MAP.remove(user_id);
}
}
pub async fn untrack_omikron(omikron_id: i64) {
let primary_keys_to_remove: Vec<i64> = IOTA_PRIMARY_OMIKRON_CONNECTION
.iter()
.filter(|entry| *entry.value() == omikron_id)
.map(|entry| *entry.key())
.collect();
for key in primary_keys_to_remove {
IOTA_PRIMARY_OMIKRON_CONNECTION.remove(&key);
}
let mut offline_iotas = Vec::new();
let mut primary_to_remove = Vec::new();
// Collect iotas and primary info first
for r in IOTA_OMIKRON_CONNECTIONS.iter() {
let iota_id = *r.key();
let mut connections = r.value().clone();
connections.retain(|&id| id != omikron_id);
if connections.is_empty() {
offline_iotas.push(iota_id);
}
if IOTA_PRIMARY_OMIKRON_CONNECTION
.get(&iota_id)
.map(|p| *p == omikron_id)
.unwrap_or(false)
{
primary_to_remove.push(iota_id);
}
// Update the connections vector after filtering
IOTA_OMIKRON_CONNECTIONS.insert(iota_id, connections);
}
// Step 2: Remove primary connections safely
for iota_id in primary_to_remove {
IOTA_PRIMARY_OMIKRON_CONNECTION.remove(&iota_id);
}
// Step 3: Remove users that were on this omikron
USER_STATUS_MAP.retain(|_, status| status.omikron_id != omikron_id);
// Step 4: For offline iotas, remove associated users from USER_STATUS_MAP
for iota_id in offline_iotas {
if let Ok(users) = sql::sql::get_users_by_iota_id(iota_id).await {
for user in users {
USER_STATUS_MAP.remove(&user.0);
}
}
// Finally remove the empty connections vector
IOTA_OMIKRON_CONNECTIONS.remove(&iota_id);
}
}

2
src/transport/mod.rs Normal file
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pub mod omikron_connection;
pub mod omikron_manager;

1139
src/transport/omikron_connection.rs Normal file
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39
src/transport/omikron_manager.rs Normal file
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use crate::transport::omikron_connection::OmikronConnection;
use dashmap::DashMap;
use once_cell::sync::Lazy;
use rand::prelude::IteratorRandom;
use std::sync::Arc;
pub static OMIKRON_CONNECTIONS: Lazy<DashMap<i64, Arc<OmikronConnection>>> =
Lazy::new(|| DashMap::new());
pub async fn add_omikron(conn: Arc<OmikronConnection>) {
let id = match conn.clone().get_omikron_id().await {
Some(id) => id,
_ => {
conn.close().await;
return;
}
};
if let Some(old) = OMIKRON_CONNECTIONS.insert(id, conn.clone()) {
old.close().await;
}
}
pub async fn remove_omikron(omikron_id: i64) {
OMIKRON_CONNECTIONS.remove(&omikron_id);
}
pub async fn get_random_omikron() -> Result<Arc<OmikronConnection>, ()> {
let mut rng = rand::thread_rng();
let keys: Vec<_> = OMIKRON_CONNECTIONS.iter().map(|e| *e.key()).collect();
if let Some(key) = keys.into_iter().choose(&mut rng) {
if let Some(entry) = OMIKRON_CONNECTIONS.get(&key) {
return Ok(entry.clone());
}
}
Err(())
}

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use aes_gcm::{
Aes256Gcm, Nonce,
aead::{Aead, KeyInit, OsRng},
};
use base64::{Engine as _, engine::general_purpose::STANDARD};
use rand_core::RngCore;
use sha2::{Digest, Sha256};
use x448::{PublicKey, Secret, SharedSecret};
/// Errors for crypto operations
#[derive(Debug)]
pub enum CryptoError {
Base64Decode,
AgreementError,
EncryptionError(aes_gcm::Error),
DecryptionError(aes_gcm::Error),
}
impl From<base64::DecodeError> for CryptoError {
fn from(_: base64::DecodeError) -> Self {
CryptoError::Base64Decode
}
}
pub fn generate_keypair() -> (Secret, PublicKey) {
let mut buf = [0u8; 56];
let mut rng = OsRng;
rng.fill_bytes(&mut buf);
let secret = Secret::from_bytes(&buf).unwrap();
let public = PublicKey::from(&secret);
(secret, public)
}
pub fn public_key_to_base64(pubkey: &PublicKey) -> String {
STANDARD.encode(pubkey.as_bytes().as_ref())
}
pub fn secret_key_to_base64(secret: &Secret) -> String {
STANDARD.encode(secret.as_bytes().as_ref())
}
pub fn load_public_key(base64_pub: &str) -> Option<PublicKey> {
let bytes = STANDARD.decode(base64_pub).unwrap();
PublicKey::from_bytes(&bytes)
}
pub fn load_secret_key(base64_secret: &str) -> Option<Secret> {
let bytes = STANDARD.decode(base64_secret).unwrap();
Secret::from_bytes(&bytes)
}
fn derive_aes_key(shared: &SharedSecret) -> [u8; 32] {
let mut hasher = Sha256::new();
hasher.update(shared.as_bytes());
let result = hasher.finalize();
let mut key = [0u8; 32];
key.copy_from_slice(&result[..32]);
key
}
pub fn encrypt_b64(
base64_secret: &str,
base64_peer_pub: &str,
plaintext: &str,
) -> Result<String, CryptoError> {
let secret = load_secret_key(base64_secret).unwrap();
let peer_pub = load_public_key(base64_peer_pub).unwrap();
encrypt(secret, peer_pub, plaintext)
}
pub fn encrypt(
secret: Secret,
peer_pub: PublicKey,
plaintext: &str,
) -> Result<String, CryptoError> {
let shared = secret
.to_diffie_hellman(&peer_pub)
.ok_or(CryptoError::AgreementError)?;
let key_bytes = derive_aes_key(&shared);
let cipher = Aes256Gcm::new_from_slice(&key_bytes).expect("Key length should be correct");
let mut nonce_bytes = [0u8; 12];
OsRng.fill_bytes(&mut nonce_bytes);
let nonce = Nonce::from_slice(&nonce_bytes);
let ciphertext = cipher
.encrypt(nonce, plaintext.as_bytes())
.map_err(CryptoError::EncryptionError)?;
// prefix nonce to ciphertext
let mut out = Vec::with_capacity(nonce_bytes.len() + ciphertext.len());
out.extend_from_slice(&nonce_bytes);
out.extend_from_slice(&ciphertext);
Ok(STANDARD.encode(&out))
}
pub fn decrypt_b64(
base64_secret: &str,
base64_peer_pub: &str,
encrypted_base64: &str,
) -> Result<String, CryptoError> {
let secret = load_secret_key(base64_secret).unwrap();
let peer_pub = load_public_key(base64_peer_pub).unwrap();
decrypt(secret, peer_pub, encrypted_base64)
}
pub fn decrypt(
secret: Secret,
peer_pub: PublicKey,
encrypted_base64: &str,
) -> Result<String, CryptoError> {
let shared = secret
.to_diffie_hellman(&peer_pub)
.ok_or(CryptoError::AgreementError)?;
let key_bytes = derive_aes_key(&shared);
let cipher = Aes256Gcm::new_from_slice(&key_bytes).expect("Key length should be correct");
let encrypted = STANDARD.decode(encrypted_base64)?;
if encrypted.len() < 12 {
return Err(CryptoError::DecryptionError(aes_gcm::Error));
}
let nonce_bytes = &encrypted[..12];
let ciphertext = &encrypted[12..];
let nonce = Nonce::from_slice(nonce_bytes);
let plaintext_bytes = cipher
.decrypt(nonce, ciphertext)
.map_err(CryptoError::DecryptionError)?;
let plaintext = String::from_utf8(plaintext_bytes)
.map_err(|_| CryptoError::DecryptionError(aes_gcm::Error))?;
Ok(plaintext)
}
pub fn hash_it(input: &str) -> Vec<u8> {
let mut hasher = Sha256::new();
hasher.update(input.as_bytes());
hasher.finalize().to_vec()
}
pub fn hex_hash(input: &str) -> String {
let digest = hash_it(input);
digest.iter().map(|b| format!("{:02x}", b)).collect()
}

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use aes_gcm::{
Aes256Gcm, Nonce,
aead::{Aead, KeyInit, Payload},
};
use base64::{Engine as _, engine::general_purpose::STANDARD as BASE64_STD};
use hkdf::Hkdf;
use sha2::{Digest, Sha256};
use x448::{PublicKey, Secret};
// --- Custom Errors ---
#[derive(Debug)]
pub enum SecurePayloadError {
InvalidBase64,
InvalidHex,
EncryptionError,
DecryptionError,
InvalidKeyLength,
}
// --- Data Format Enum ---
#[derive(Clone, Copy, Debug)]
pub enum DataFormat {
Raw,
Base64,
Hex,
}
// --- Main Class Structure ---
pub struct SecurePayload {
/// The internal canonical representation is always raw bytes.
inner_data: Vec<u8>,
/// The private key of the user associated with this payload instance.
private_key: Secret,
}
impl Clone for SecurePayload {
fn clone(&self) -> Self {
Self {
inner_data: self.inner_data.clone(),
private_key: Secret::from_bytes(self.private_key.as_bytes()).unwrap(),
}
}
}
impl SecurePayload {
/// Clear Constructor: Takes data in any format and the user's private key.
pub fn new<S, T: AsRef<[u8]>>(
data: T,
format: DataFormat,
private_key: S,
) -> Result<Self, SecurePayloadError>
where
S: Into<Secret>,
{
let raw_data = match format {
DataFormat::Raw => data.as_ref().to_vec(),
DataFormat::Base64 => BASE64_STD
.decode(data.as_ref())
.map_err(|_| SecurePayloadError::InvalidBase64)?,
DataFormat::Hex => {
hex::decode(data.as_ref()).map_err(|_| SecurePayloadError::InvalidHex)?
}
};
Ok(Self {
inner_data: raw_data,
private_key: private_key.into(),
})
}
/// Helper to get the public key associated with this instance's private key.
pub fn get_public_key(&self) -> [u8; 56] {
*PublicKey::from(&self.private_key).as_bytes()
}
/// Exports the internal data to the requested format
pub fn export(&self, format: DataFormat) -> String {
match format.into() {
DataFormat::Raw => String::from_utf8_lossy(&self.inner_data).to_string(),
DataFormat::Base64 => BASE64_STD.encode(&self.inner_data),
DataFormat::Hex => hex::encode(&self.inner_data),
}
}
/// Access raw bytes directly
pub fn get_bytes(&self) -> &[u8] {
&self.inner_data
}
/// Returns the SHA-256 Hash of the data in the requested format
pub fn get_hash(&self, format: DataFormat) -> String {
let mut hasher = Sha256::new();
hasher.update(&self.inner_data);
let result = hasher.finalize();
match format {
DataFormat::Raw => String::from_utf8_lossy(&result).to_string(),
DataFormat::Base64 => BASE64_STD.encode(result),
DataFormat::Hex => hex::encode(result),
}
}
/// Encrypts the held data for a specific recipient using AES-256-GCM.
/// The message will contain ONLY the ciphertext.
pub fn encrypt_x448<S>(&self, public_key: S) -> Result<SecurePayload, SecurePayloadError>
where
S: Into<PublicKey>,
{
let peer_pub = public_key.into();
let shared_secret = self.private_key.as_diffie_hellman(&peer_pub).unwrap();
println!(
"Encryption Shared Secret (Hex): {}",
hex::encode(shared_secret.as_bytes())
);
// 3. Key & Nonce Derivation (HKDF)
// We derive 32 bytes for the key and 12 bytes for a deterministic nonce.
let hkdf = Hkdf::<Sha256>::new(None, shared_secret.as_bytes());
let mut okm = [0u8; 44]; // 32 (Key) + 12 (Nonce)
hkdf.expand(b"x448-aes-gcm-no-overhead", &mut okm)
.map_err(|_| SecurePayloadError::EncryptionError)?;
let key = &okm[..32];
let nonce_bytes = &okm[32..];
// 4. Encrypt with AES-256-GCM
let cipher = Aes256Gcm::new(key.into());
let nonce = Nonce::from_slice(nonce_bytes);
let ciphertext = cipher
.encrypt(
nonce,
Payload {
msg: &self.inner_data,
aad: &[],
},
)
.map_err(|_| SecurePayloadError::EncryptionError)?;
// 5. Result is ONLY the ciphertext. No key or nonce is packed.
Ok(SecurePayload {
inner_data: ciphertext,
private_key: Secret::from_bytes(self.private_key.as_bytes()).unwrap(),
})
}
/// Decrypts the held data providing the sender's public key manually.
pub fn decrypt_to_format(
&self,
peer_public_key_bytes: &[u8; 56],
output_format: DataFormat,
) -> Result<String, SecurePayloadError> {
let decrypted_instance = self.decrypt_x448(peer_public_key_bytes)?;
Ok(decrypted_instance.export(output_format))
}
/// Decrypts the held data using the internal Private Key and the provided Peer Public Key.
pub fn decrypt_x448(
&self,
peer_public_key_bytes: &[u8; 56],
) -> Result<SecurePayload, SecurePayloadError> {
// 1. Perform Exchange
let peer_pub = PublicKey::from_bytes(peer_public_key_bytes).unwrap();
let shared_secret = self.private_key.as_diffie_hellman(&peer_pub).unwrap();
// LOGGING: Shared Secret
println!(
"Decryption Shared Secret (Hex): {}",
hex::encode(shared_secret.as_bytes())
);
// 2. Key & Nonce Derivation (Must match encryption exactly)
let hkdf = Hkdf::<Sha256>::new(None, shared_secret.as_bytes());
let mut okm = [0u8; 44];
hkdf.expand(b"x448-aes-gcm-no-overhead", &mut okm)
.map_err(|_| SecurePayloadError::DecryptionError)?;
let key = &okm[..32];
let nonce_bytes = &okm[32..];
// 3. Decrypt with AES-256-GCM
let cipher = Aes256Gcm::new(key.into());
let nonce = Nonce::from_slice(nonce_bytes);
let plaintext = cipher
.decrypt(
nonce,
Payload {
msg: &self.inner_data,
aad: &[],
},
)
.map_err(|_| SecurePayloadError::DecryptionError)?;
Ok(SecurePayload {
inner_data: plaintext,
private_key: Secret::from_bytes(self.private_key.as_bytes()).unwrap(),
})
}
}

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use std::fs::{self, File};
use std::io::{self, BufReader, Read};
use std::path::{Path, PathBuf};
use tokio::io::AsyncWriteExt;
use uuid::Uuid;
use zip::ZipArchive;
use crate::log;
pub fn delete_file(path: &str, name: &str) -> bool {
let dir = Path::new(&get_directory()).join(path);
let file = dir.join(name);
if !file.exists() {
return false;
}
fs::remove_file(file).is_ok()
}
#[allow(dead_code)]
pub fn delete_directory(path: &str) -> bool {
let dir = Path::new(&get_directory()).join(path);
delete_dir_recursive(&dir)
}
#[allow(dead_code)]
fn delete_dir_recursive(directory: &Path) -> bool {
if !directory.exists() {
return false;
}
if let Err(e) = fs::remove_dir_all(directory) {
log!(
"[IMPORTANT] Couldn't delete directory {}: {}",
directory.display(),
e
);
return false;
}
true
}
#[allow(dead_code)]
pub fn delete_user_directory(user_id: Uuid) {
let user_dir = Path::new(&get_directory())
.join("users")
.join(user_id.to_string());
let _ = delete_dir_recursive(&user_dir);
}
pub fn load_file_buf(path: &str, name: &str) -> io::Result<BufReader<File>> {
let dir = Path::new(&get_directory()).join(path);
let file_path = dir.join(name);
// Ensure the directory exists, create if necessary
if !dir.exists() {
if let Err(_) = fs::create_dir_all(&dir) {
return Err(io::Error::new(
io::ErrorKind::NotFound,
"Directory creation failed",
));
}
}
// Create the file if it doesn't exist
if !file_path.exists() {
return Err(io::Error::new(
io::ErrorKind::NotFound,
"File creation failed",
));
}
// Open the file and return a BufReader for efficient reading
let file = File::open(&file_path)?;
Ok(BufReader::new(file))
}
pub fn has_file(path: &str, name: &str) -> bool {
let dir = Path::new(&get_directory()).join(path);
let file_path = dir.join(name);
if !dir.exists() {
return false;
}
if !file_path.exists() {
return false;
}
true
}
pub fn has_dir(path: &str) -> bool {
let dir = Path::new(&get_directory()).join(path);
if !dir.exists() {
return false;
}
true
}
pub fn load_file(path: &str, name: &str) -> String {
let dir = Path::new(&get_directory()).join(path);
let file_path = dir.join(name);
if !dir.exists() {
if let Err(e) = fs::create_dir_all(&dir) {
log!("[IMPORTANT] Couldn't create directories: {}", e);
return String::new();
}
return String::new();
}
if !file_path.exists() {
if let Err(e) = File::create(&file_path) {
log!("[IMPORTANT] Couldn't create file: {}", e);
}
return String::new();
}
let mut content = String::new();
if let Ok(mut f) = File::open(&file_path) {
let _ = f.read_to_string(&mut content);
}
content
}
pub fn load_file_vec(path: &str, name: &str) -> Result<Vec<u8>, std::io::Error> {
let dir = Path::new(&get_directory()).join(path);
let file_path = dir.join(name);
std::fs::read(file_path)
}
pub fn save_file(path: &str, name: &str, value: &str) {
let dir = Path::new(&get_directory()).join(path);
let file_path = dir.join(name);
if !dir.exists() {
if let Err(e) = fs::create_dir_all(&dir) {
log!("[IMPORTANT] Couldn't create directories: {}", e);
return;
}
}
if let Err(e) = fs::write(&file_path, value) {
log!(
"[IMPORTANT] Couldn't write file {}: {}",
file_path.display(),
e
);
}
}
pub fn get_children(path: &str) -> Vec<String> {
let dir = Path::new(&get_directory()).join(path);
let mut children = Vec::new();
if let Ok(entries) = fs::read_dir(&dir) {
for entry in entries {
if let Ok(entry) = entry {
children.push(entry.file_name().to_string_lossy().to_string());
}
}
}
children
}
pub fn get_directory() -> String {
let exe = std::env::current_exe().unwrap_or_else(|_| PathBuf::from("."));
exe.parent()
.unwrap_or(Path::new("."))
.to_string_lossy()
.to_string()
}
// Helper to download the zip file content to a file on disk
#[allow(dead_code)]
async fn download_zip(url: &str, as_name: &Path) -> Result<(), Box<dyn std::error::Error>> {
let response = reqwest::get(url).await?;
// Check for successful response status
if !response.status().is_success() {
return Err(format!("Failed to download file: Status {}", response.status()).into());
}
let mut zip_file = tokio::fs::File::create(as_name).await?;
let body = response.bytes().await?;
zip_file.write_all(&body).await?;
Ok(())
}
#[allow(dead_code, deprecated)]
fn extract_zip_contents_to_folder(
zip_path: &Path,
target_dir: &Path,
) -> Result<(), Box<dyn std::error::Error>> {
let file = File::open(zip_path)?;
let mut archive = ZipArchive::new(file)?;
let staging_dir = target_dir.with_extension("staging");
let _ = fs::remove_dir_all(&staging_dir);
fs::create_dir_all(&staging_dir)?;
let mut first_item_name: Option<PathBuf> = None;
for i in 0..archive.len() {
let mut file = archive.by_index(i)?;
let entry_path = staging_dir.join(file.sanitized_name());
if i == 0 {
if file.name().ends_with('/') || file.sanitized_name().components().count() == 1 {
first_item_name = Some(file.sanitized_name());
}
}
if file.name().ends_with('/') {
fs::create_dir_all(&entry_path)?;
} else {
if let Some(parent) = entry_path.parent() {
fs::create_dir_all(parent)?;
}
let mut out_file = File::create(entry_path)?;
io::copy(&mut file, &mut out_file)?;
}
}
if let Some(root_path) = first_item_name {
let root_dir = staging_dir.join(&root_path);
if root_dir.is_dir() {
let root_contents_count = fs::read_dir(&staging_dir)?.count();
if root_contents_count == 1
|| (root_contents_count > 1 && fs::metadata(&root_dir).is_ok())
{
let _ = fs::remove_dir_all(target_dir);
fs::create_dir_all(target_dir)?;
for entry in fs::read_dir(root_dir)? {
let entry = entry?;
let src = entry.path();
let dest = target_dir.join(entry.file_name());
if let Err(_) = fs::rename(&src, &dest) {
if src.is_file() {
fs::copy(&src, &dest)?;
} else {
if entry.path().is_dir() {
fs::rename(&src, &dest)?;
}
}
}
}
let _ = fs::remove_dir_all(&staging_dir);
return Ok(());
}
}
}
log!("Extracting directly (no single root folder detected).");
let _ = fs::remove_dir_all(target_dir);
fs::rename(&staging_dir, target_dir)?;
Ok(())
}
#[allow(dead_code)]
pub async fn download_and_extract_zip(url: &str, as_name: &str) {
let base_dir = PathBuf::from(get_directory());
let zip_filename = format!("{}.zip", Uuid::new_v4());
let zip_path = base_dir.join(&zip_filename);
let target_dir = base_dir.join(as_name);
if let Err(e) = download_zip(url, &zip_path).await {
log!("Error downloading file: {}", e);
return;
}
let zip_path_clone = zip_path.clone();
let target_dir_clone = target_dir.clone();
let extract_result = extract_zip_contents_to_folder(&zip_path_clone, &target_dir_clone);
if let Err(e) = extract_result {
log!("Panic during ZIP extraction: {}", e);
}
if let Err(e) = tokio::fs::remove_file(&zip_path).await {
log!("Error cleaning up ZIP file {}: {}", zip_path.display(), e);
}
}

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use std::{
collections::{BTreeMap, HashMap},
fs::{self, OpenOptions},
io::Write,
path::Path,
sync::{OnceLock, mpsc},
thread,
time::{SystemTime, UNIX_EPOCH},
};
use ansi_term::Color;
use epsilon_core::{CommunicationValue, DataTypes, DataValue};
use json::JsonValue;
static LOGGER: OnceLock<mpsc::Sender<LogMessage>> = OnceLock::new();
#[derive(Clone, Copy)]
#[allow(unused)]
pub enum PrintType {
Call,
Client,
Iota,
Omikron,
Omega,
General,
}
struct LogMessage {
timestamp_ms: u128,
sender: Option<i64>,
prefix: &'static str,
kind: PrintType,
is_error: bool,
message: String,
}
pub fn startup() {
let (tx, rx) = mpsc::channel::<LogMessage>();
LOGGER.set(tx).expect("Logger already initialized");
thread::spawn(move || {
let log_dir = Path::new("logs");
fs::create_dir_all(log_dir).expect("Failed to create log directory");
let start_ts = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap()
.as_secs();
let path = log_dir.join(format!("log_{}.txt", start_ts));
let mut file = OpenOptions::new()
.create(true)
.append(true)
.open(path)
.expect("Failed to open log file");
for msg in rx {
let ts = fixed_box(&msg.timestamp_ms.to_string(), 13);
let sender = match msg.sender {
Some(id) => fixed_box(&id.to_string(), 19),
_ => fixed_box("", 19),
};
let line = format!("{} {} {} {}", ts, sender, msg.prefix, msg.message);
println!("{}", colorize(msg.kind, msg.is_error).paint(&line));
let _ = writeln!(file, "{}", line);
}
});
}
fn colorize(kind: PrintType, is_error: bool) -> Color {
if is_error {
return Color::Red;
}
match kind {
PrintType::Call => Color::Purple,
PrintType::Client => Color::Green,
PrintType::Iota => Color::Yellow,
PrintType::Omikron => Color::Blue,
PrintType::Omega => Color::Cyan,
PrintType::General => Color::White,
}
}
fn fixed_box(content: &str, width: usize) -> String {
let s: String = content.chars().take(width).collect();
let len = s.chars().count();
if len < width {
format!("[{}{}]", " ".repeat(width - len), s)
} else {
s
}
}
pub fn log_internal(
sender: Option<i64>,
kind: PrintType,
prefix: &'static str,
is_error: bool,
message: String,
) {
if let Some(tx) = LOGGER.get() {
let _ = tx.send(LogMessage {
timestamp_ms: SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap()
.as_millis(),
sender,
prefix,
kind,
is_error,
message,
});
}
}
#[macro_export]
macro_rules! log {
// plain
($($arg:tt)*) => {
$crate::util::logger::log_internal(
None,
$crate::util::logger::PrintType::General,
"",
false,
format!($($arg)*)
)
};
// sender + actor
($sender:expr, $kind:expr, $($arg:tt)*) => {
$crate::util::logger::log_internal(Some($sender), $kind, "", false, format!($($arg)*))
};
// actor only
($kind:expr, $($arg:tt)*) => {
$crate::util::logger::log_internal(None, $kind, "", false, format!($($arg)*))
};
}
#[macro_export]
macro_rules! log_in {
// sender + actor
($sender:expr, $kind:expr, $($arg:tt)*) => {
$crate::util::logger::log_internal(Some($sender), $kind, ">", false, format!($($arg)*))
};
// actor only
($kind:expr, $($arg:tt)*) => {
$crate::util::logger::log_internal(None, $kind, ">", false, format!($($arg)*))
};
// plain
($($arg:tt)*) => {
$crate::util::logger::log_internal(
None,
$crate::util::logger::PrintType::General,
">",
false,
format!($($arg)*)
)
};
}
#[macro_export]
macro_rules! log_out {
// sender + actor
($sender:expr, $kind:expr, $($arg:tt)*) => {
$crate::util::logger::log_internal(Some($sender), $kind, "<", false, format!($($arg)*))
};
// actor only
($kind:expr, $($arg:tt)*) => {
$crate::util::logger::log_internal(None, $kind, "<", false, format!($($arg)*))
};
// plain
($($arg:tt)*) => {
$crate::util::logger::log_internal(
None,
$crate::util::logger::PrintType::General,
"<",
false,
format!($($arg)*)
)
};
}
#[macro_export]
macro_rules! log_err {
// sender + actor
($sender:expr, $kind:expr, $($arg:tt)*) => {
$crate::util::logger::log_internal(Some($sender), $kind, ">>", true, format!($($arg)*))
};
// actor only
($kind:expr, $($arg:tt)*) => {
$crate::util::logger::log_internal(None, $kind, ">>", true, format!($($arg)*))
};
// plain
($($arg:tt)*) => {
$crate::util::logger::log_internal(
None,
$crate::util::logger::PrintType::General,
">>",
true,
format!($($arg)*)
)
};
}
// ******** COMMUNICATION VALUES ********
pub fn log_cv_internal(
prefix: &'static str,
cv: &CommunicationValue,
print_type: Option<PrintType>,
) {
let formatted = format_cv(cv);
log_internal(
Some(cv.get_sender() as i64),
print_type.unwrap_or(PrintType::General),
prefix,
false,
formatted,
);
}
pub fn format_cv(cv: &CommunicationValue) -> String {
let mut parts = Vec::new();
let sender = cv.get_sender();
let receiver = cv.get_receiver();
if sender > 0 && receiver > 0 {
parts.push(format!("{} > {}", sender, receiver));
} else if sender > 0 {
parts.push(format!("{}", sender));
} else if receiver > 0 {
parts.push(format!("> {}", receiver));
}
let comm_type = cv.get_type().to_string();
parts.push(format!("{}", comm_type));
let data: &BTreeMap<DataTypes, DataValue> = cv.get_data_container();
let formated_data =
format_data_container(data.iter().map(|(k, v)| (k.clone(), v.clone())).collect());
parts.push(format!("{}", formated_data));
parts.join(": ")
}
fn format_data_container(data: Vec<(DataTypes, DataValue)>) -> String {
let parts: Vec<String> = data
.into_iter()
.map(|(key, value)| {
let key_str = key.to_string();
match value {
DataValue::Str(s) => format!("{}=\"{}\"", key_str, s),
DataValue::Container(inner) => {
let inner_formatted = format_data_container(inner);
format!("{}={{ {} }}", key_str, inner_formatted)
}
DataValue::Array(arr) => {
let arr_formatted = format_array(arr);
format!("{}=[{}]", key_str, arr_formatted)
}
DataValue::Bool(b) => format!("{}={}", key_str, b),
DataValue::BoolTrue => format!("{}=true", key_str),
DataValue::BoolFalse => format!("{}=false", key_str),
DataValue::Number(num) => format!("{}={}", key_str, num),
_ => "".to_string(),
}
})
.collect();
parts.join(", ")
}
fn format_array(arr: Vec<DataValue>) -> String {
let parts: Vec<String> = arr
.into_iter()
.map(|value| match value {
DataValue::Str(s) => format!("\"{}\"", s),
DataValue::Container(inner) => {
let inner_formatted = format_data_container(inner);
format!("{{ {} }}", inner_formatted)
}
DataValue::Array(inner_arr) => {
let formatted = format_array(inner_arr);
format!("[{}]", formatted)
}
DataValue::Bool(b) => b.to_string(),
DataValue::BoolTrue => "true".to_string(),
DataValue::BoolFalse => "false".to_string(),
DataValue::Number(num) => num.to_string(),
_ => String::new(),
})
.collect();
parts.join(", ")
}
#[macro_export]
macro_rules! log_cv {
($kind:expr, $cv:expr) => {
$crate::util::logger::log_cv_internal("", &$cv, Some($kind))
};
($cv:expr) => {
$crate::util::logger::log_cv_internal("", &$cv, None)
};
}
#[macro_export]
macro_rules! log_cv_in {
($kind:expr, $cv:expr) => {
$crate::util::logger::log_cv_internal("> ", &$cv, Some($kind))
};
($cv:expr) => {
$crate::util::logger::log_cv_internal("> ", &$cv, None)
};
}
#[macro_export]
macro_rules! log_cv_out {
($kind:expr, $cv:expr) => {
$crate::util::logger::log_cv_internal("< ", &$cv, Some($kind))
};
($cv:expr) => {
$crate::util::logger::log_cv_internal("< ", &$cv, None)
};
}

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src/util/mod.rs Normal file
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pub mod crypto_helper;
pub mod crypto_util;
pub mod file_util;
pub mod logger;