iota/omikron-connector/src/omikron_connection.rs

1941 lines
77 KiB
Rust
Executable file

use dashmap::DashMap;
use iota_logger::{log, log_cv_in, log_cv_out, log_t};
use iota_state::{ACTIVE_TASKS, SHUTDOWN};
use iota_storage::users::contact::Contact;
use iota_storage::util::chat_files::{self, MessageState, change_message_state};
use iota_storage::util::chats_util::{self, get_user, mod_user};
use iota_storage::util::communities_util::CommunitiesUtil;
use iota_storage::util::config_util::CONFIG;
use iota_util::crypto_helper::{self, keyring_from_base64};
use iota_util::crypto_util::{self};
use iota_util::file_util::{get_children, has_file, load_file, save_file};
use json::JsonValue;
use mtp::client::{Client, ClientConfig, Policy, Receiver, SendMode, Sender};
use mtp::codec::{CommunicationType, CommunicationValue, DataType, DataValue};
use mtp::crypto::{Keyring, PublicKeyBundle};
use std::collections::HashMap;
use std::env;
use std::sync::{Arc, LazyLock};
use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
use tokio::sync::{Mutex, RwLock, mpsc, watch};
use tokio::task::JoinHandle;
use tokio::time::sleep;
use uuid::Uuid;
use crate::omega_discovery;
fn typed_container(items: Vec<(DataType, DataValue)>) -> DataValue {
use mtp::type_map::{DataTypeId, TypeMap};
let tm = TypeMap::latest();
DataValue::Container(
items
.into_iter()
.filter_map(|(dt, dv)| tm.data_id_enum(dt).map(|id| (DataTypeId(id), dv)))
.collect(),
)
}
// Helper function to check if read receipts are enabled globally
async fn is_read_receipts_enabled() -> bool {
// Check global config for read receipts setting
// Default to true if not set
let conf = CONFIG.read().await;
let value = conf.get("read_receipts_enabled");
match value {
JsonValue::Boolean(b) => *b,
_ => true,
}
}
// ============================================================================
// Configuration
// ============================================================================
const IOTA_KEYRING_PATH: &str = "iota.mk";
const OMIKRON_PUBLIC_KEY_PATH: &str = "omikron.mpkb";
const RECONNECT_DELAY: Duration = Duration::from_secs(5);
const MAX_RECONNECT_DELAY: Duration = Duration::from_secs(300);
const CONNECTION_TIMEOUT: Duration = Duration::from_secs(10);
const HEARTBEAT_INTERVAL: Duration = Duration::from_secs(5);
const TASK_CLEANUP_INTERVAL: Duration = Duration::from_secs(60);
const TASK_MAX_AGE: Duration = Duration::from_secs(60);
// ============================================================================
// Waiting Task System
// ============================================================================
pub struct WaitingTask {
pub task: Box<dyn Fn(Arc<OmikronConnection>, CommunicationValue) -> bool + Send + Sync>,
pub inserted_at: Instant,
}
pub static WAITING_TASKS: LazyLock<DashMap<u32, WaitingTask>> = LazyLock::new(|| DashMap::new());
pub fn start_task_cleanup_loop() {
tokio::spawn(async {
loop {
sleep(TASK_CLEANUP_INTERVAL).await;
WAITING_TASKS.retain(|_, v| v.inserted_at.elapsed() < TASK_MAX_AGE);
}
});
}
// ============================================================================
// Connection State
// ============================================================================
#[derive(Clone, Copy, PartialEq, Eq, Debug)]
pub enum ConnectionState {
Disconnected,
Connecting,
Connected { identified: bool },
}
impl ConnectionState {
pub fn is_connected(&self) -> bool {
matches!(self, ConnectionState::Connected { .. })
}
pub fn is_identified(&self) -> bool {
matches!(self, ConnectionState::Connected { identified: true })
}
}
// ============================================================================
// Omikron Connection (Client-side with auto-reconnect)
// ============================================================================
#[allow(dead_code)] // message_send_times is unused.
pub struct OmikronConnection {
state: Arc<RwLock<ConnectionState>>,
sender: Arc<RwLock<Option<Arc<Sender>>>>,
connection_loop_handle: Arc<Mutex<Option<JoinHandle<()>>>>,
pub last_ping: Arc<Mutex<i64>>,
heartbeat_handle: Arc<Mutex<Option<JoinHandle<()>>>>,
pub connection_id: Uuid,
shutdown_tx: Arc<Mutex<Option<watch::Sender<bool>>>>,
reconnect_on_close: Arc<RwLock<bool>>,
auth_failure: Arc<RwLock<Option<String>>>,
pub app_challenges: Arc<RwLock<HashMap<u64, String>>>,
pub app_sessions: Arc<RwLock<HashMap<u64, (i64, String)>>>,
}
impl OmikronConnection {
pub fn new() -> Self {
let (shutdown_tx, _) = watch::channel(false);
OmikronConnection {
state: Arc::new(RwLock::new(ConnectionState::Disconnected)),
sender: Arc::new(RwLock::new(None)),
connection_loop_handle: Arc::new(Mutex::new(None)),
last_ping: Arc::new(Mutex::new(-1)),
heartbeat_handle: Arc::new(Mutex::new(None)),
connection_id: Uuid::new_v4(),
shutdown_tx: Arc::new(Mutex::new(Some(shutdown_tx))),
reconnect_on_close: Arc::new(RwLock::new(true)),
auth_failure: Arc::new(RwLock::new(None)),
app_challenges: Arc::new(RwLock::new(HashMap::new())),
app_sessions: Arc::new(RwLock::new(HashMap::new())),
}
}
// -------------------------------------------------------------------------
// Connection Management
// -------------------------------------------------------------------------
pub async fn connect(self: &Arc<Self>) {
if self.connection_loop_handle.lock().await.is_none() {
self.clone().start().await;
}
}
pub async fn start(self: Arc<Self>) {
if let Some(handle) = self.connection_loop_handle.lock().await.take() {
handle.abort();
}
if self.shutdown_tx.lock().await.is_none() {
let (shutdown_tx, _) = watch::channel(false);
*self.shutdown_tx.lock().await = Some(shutdown_tx);
}
*self.reconnect_on_close.write().await = true;
let self_clone = self.clone();
let handle = tokio::spawn(async move {
self_clone.connection_loop().await;
});
*self.connection_loop_handle.lock().await = Some(handle);
}
pub async fn stop(&self) {
*self.reconnect_on_close.write().await = false;
if let Some(tx) = self.shutdown_tx.lock().await.take() {
let _ = tx.send(true);
}
if let Some(handle) = self.connection_loop_handle.lock().await.take() {
handle.abort();
}
if let Some(handle) = self.heartbeat_handle.lock().await.take() {
handle.abort();
}
if let Some(sender) = self.sender.read().await.as_ref() {
sender.close();
}
*self.state.write().await = ConnectionState::Disconnected;
*self.sender.write().await = None;
}
async fn connection_loop(self: Arc<Self>) {
let mut reconnect_delay = RECONNECT_DELAY;
let shutdown_rx = self.shutdown_tx.lock().await.as_ref().unwrap().subscribe();
let mut shutdown_rx = shutdown_rx;
loop {
if *shutdown_rx.borrow() || *SHUTDOWN.read().await {
log_t!("omikron_connection_loop_shutdown");
break;
}
if !*self.reconnect_on_close.read().await {
break;
}
match self.clone().connect_once().await {
Ok(()) => {
if *self.reconnect_on_close.read().await {
log!("Connection lost, reconnecting in {:?}...", reconnect_delay);
} else {
break;
}
}
Err(e) => {
if self.auth_failure.read().await.is_some() {
log!("Authentication failed, stopping reconnection: {}", e);
break;
}
log!(
"Connection failed: {}, retrying in {:?}...",
e,
reconnect_delay
);
}
}
tokio::select! {
_ = sleep(reconnect_delay) => {}
_ = shutdown_rx.changed() => {
if *shutdown_rx.borrow() {
break;
}
}
}
reconnect_delay = std::cmp::min(reconnect_delay * 2, MAX_RECONNECT_DELAY);
}
}
async fn connect_once(self: Arc<Self>) -> Result<(), String> {
*self.state.write().await = ConnectionState::Connecting;
log_t!("omikron_connecting");
let keyring = self.load_or_migrate_keyring().await;
let existing_iota_id = match CONFIG.read().await.get_iota_id() {
0 => None,
id => Some(id as u64),
};
let (host, port, omikron_public_key) =
self.resolve_omikron_endpoint(existing_iota_id).await?;
let addr_str = format!("https://{}:{}/ws/iota/", host, port);
let client_config = ClientConfig::new(&addr_str)
.with_description("iota")
.with_policy(Policy {
send_mode: SendMode::SingleStreamPerMessage,
max_message_size: 1_000_000_000,
close_frame_len: u32::MAX,
application_close_code: 0,
open_stream_timeout: Duration::from_millis(2_000),
write_timeout: Duration::from_millis(2_000),
accept_stream_timeout: Duration::from_millis(10_000),
read_timeout: Duration::from_millis(30_000),
keep_alive_interval: Some(Duration::from_secs(6)),
max_idle_timeout: Some(Duration::from_secs(30)),
force_close_delay: Duration::from_millis(300),
max_transient_recv_errors: 20,
transient_recv_backoff: Duration::from_millis(100),
receiver_queue_capacity: 1000,
});
let connection = match Client::auth_connect_or_register(
client_config,
existing_iota_id,
&keyring,
&omikron_public_key,
)
.await
{
Ok(connection) => connection,
Err(mtp::common::CommunicationError::AuthenticationFailed(reason)) => {
let reason = format!(
"Authentication failed: {}. Your Iota keys may be invalid or the private key has changed on the server.",
reason
);
*self.reconnect_on_close.write().await = false;
*self.auth_failure.write().await = Some(reason.clone());
*self.state.write().await = ConnectionState::Disconnected;
return Err(reason);
}
Err(e) => return Err(format!("Connection failed: {}", e)),
};
log_t!("omikron_connection_success");
if existing_iota_id.is_none() {
let mut conf_write = CONFIG.write().await;
conf_write.change("iota_id", JsonValue::from(connection.client_id as i64));
conf_write.update();
drop(conf_write);
log!("Registered with Iota-ID: {}", connection.client_id);
}
let sender_arc = Arc::new(connection.sender);
*self.sender.write().await = Some(sender_arc.clone());
*self.state.write().await = ConnectionState::Connected { identified: true };
// Start read loop
let mut receiver = connection.receiver;
let read_self = self.clone();
let read_handle = tokio::spawn(async move {
read_self.read_loop(&mut receiver).await;
});
log_t!("omikron_authenticated");
// Start heartbeat
let heartbeat_self = self.clone();
let heartbeat_handle = tokio::spawn(async move {
heartbeat_self.heartbeat_loop().await;
});
*self.heartbeat_handle.lock().await = Some(heartbeat_handle);
{
ACTIVE_TASKS.insert("Omikron Listener".to_string());
}
// Wait for read loop to complete
let result = read_handle.await;
*self.sender.write().await = None;
*self.state.write().await = ConnectionState::Disconnected;
{
ACTIVE_TASKS.remove("Omikron Listener");
}
if let Some(handle) = self.heartbeat_handle.lock().await.take() {
handle.abort();
}
match result {
Ok(()) => {
if *self.reconnect_on_close.read().await {
Err("Connection closed, will reconnect".to_string())
} else {
Ok(())
}
}
Err(e) => Err(format!("Read loop error: {}", e)),
}
}
// -------------------------------------------------------------------------
// Identity (own Keyring, migrated from the legacy base64-in-config format)
// -------------------------------------------------------------------------
/*
* `iota.mk` is now the source of truth for this Iota's identity. A
* pre-existing base64 keyring in config.json (from before the MTP auth
* migration) is imported once so already-registered Iotas keep their
* identity, and mirrored back into config.json for older code paths
* that still read it directly.
*/
async fn load_or_migrate_keyring(&self) -> Keyring {
if let Ok(kr) = mtp::files::load_keyring(IOTA_KEYRING_PATH) {
return kr;
}
let legacy = CONFIG.read().await.get_keyring();
let keyring = legacy
.and_then(|b64| keyring_from_base64(&b64))
.unwrap_or_else(crypto_helper::generate_keyring);
if let Err(e) = mtp::files::save_keyring(&keyring, IOTA_KEYRING_PATH) {
log!("Failed to persist {}: {}", IOTA_KEYRING_PATH, e);
}
let b64 = crypto_helper::keyring_to_base64(&keyring);
let mut conf = CONFIG.write().await;
conf.change("keyring", JsonValue::from(b64));
conf.update();
drop(conf);
keyring
}
// -------------------------------------------------------------------------
// Omikron discovery (via Omega's HTTP API, replacing the static
// host/port/public-key-file model)
// -------------------------------------------------------------------------
/*
* Discovery runs fresh on every `connect_once()` attempt rather than once
* at construction, since a fixed `OmikronConnection` may need to move to
* a different Omikron across reconnects (e.g. after the sticky/primary
* Omikron dies). `OMIKRON_HOST`/`OMIKRON_PORT` remain as a manual
* override for local dev/testing against a hand-run Omikron without a
* live Omega.
*
* The fetched Omikron public key is pinned to `omikron.mpkb` (trust on
* first use): if a cached key exists and a fresh discovery response
* disagrees with it, the mismatch is logged loudly and the cached key is
* kept rather than silently trusting whatever Omega's HTTP API returned
* this time - the same trust boundary the previous manual-file-drop
* model had, just automated for the common case.
*/
async fn resolve_omikron_endpoint(
&self,
existing_iota_id: Option<u64>,
) -> Result<(String, u16, PublicKeyBundle), String> {
if let (Ok(host), Ok(port_str)) = (env::var("OMIKRON_HOST"), env::var("OMIKRON_PORT")) {
let port: u16 = port_str
.parse()
.map_err(|_| format!("Invalid OMIKRON_PORT: {}", port_str))?;
let public_key = mtp::files::load_public_key_bundle(OMIKRON_PUBLIC_KEY_PATH)
.map_err(|e| {
format!(
"Failed to load Omikron public key bundle from {}: {}. Obtain {} from the Omikron operator and place it in the working directory.",
OMIKRON_PUBLIC_KEY_PATH, e, OMIKRON_PUBLIC_KEY_PATH
)
})?;
return Ok((host, port, public_key));
}
let cached_key = mtp::files::load_public_key_bundle(OMIKRON_PUBLIC_KEY_PATH).ok();
let cached_host_port = {
let conf = CONFIG.read().await;
match (conf.get_omikron_host(), conf.get_omikron_port()) {
(Some(host), Some(port)) => Some((host, port)),
_ => None,
}
};
let discovered = match existing_iota_id {
Some(id) => match omega_discovery::discover_primary(id).await {
Ok(endpoint) => Some(endpoint),
Err(e) => {
log!(
"Sticky Omikron discovery failed ({}), falling back to a random Omikron",
e
);
omega_discovery::discover_random().await.ok()
}
},
None => omega_discovery::discover_random().await.ok(),
};
let (host, port, public_key) = if let Some(endpoint) = discovered {
match &cached_key {
Some(cached) if cached.as_bytes() != endpoint.public_key.as_bytes() => {
log!(
"Fetched Omikron public key differs from the cached {} - keeping the \
cached key. Delete {} manually if this is an expected key rotation.",
OMIKRON_PUBLIC_KEY_PATH,
OMIKRON_PUBLIC_KEY_PATH
);
(endpoint.host, endpoint.port, cached.clone())
}
Some(cached) => (endpoint.host, endpoint.port, cached.clone()),
None => {
if let Err(e) = mtp::files::save_public_key_bundle(
&endpoint.public_key,
OMIKRON_PUBLIC_KEY_PATH,
) {
log!("Failed to cache Omikron public key: {}", e);
}
(endpoint.host, endpoint.port, endpoint.public_key)
}
}
} else if let (Some(cached), Some((host, port))) = (&cached_key, &cached_host_port) {
log!(
"Omega discovery unreachable, falling back to last-known Omikron {}:{}",
host,
port
);
(host.clone(), *port, cached.clone())
} else {
return Err(
"Omega discovery failed and no cached Omikron address/key is available"
.to_string(),
);
};
{
let mut conf = CONFIG.write().await;
conf.change("omikron_host", JsonValue::from(host.clone()));
conf.change("omikron_port", JsonValue::from(port));
conf.update();
}
Ok((host, port, public_key))
}
// -------------------------------------------------------------------------
// Read Loop & Heartbeat
// -------------------------------------------------------------------------
async fn read_loop(self: Arc<Self>, receiver: &mut Receiver) {
loop {
let result = receiver.receive().await;
match result {
Ok(cv) => {
self.clone().handle_message(cv).await;
}
Err(e) => {
self.fail_all_waiting_tasks(format!(
"Connection receive error: {} (connection_id={})",
e, self.connection_id
))
.await;
break;
}
}
if !receiver.is_open() {
self.fail_all_waiting_tasks(format!(
"Connection closed (connection_id={}, receiver_open=false)",
self.connection_id
))
.await;
break;
}
}
}
async fn heartbeat_loop(self: Arc<Self>) {
loop {
sleep(HEARTBEAT_INTERVAL).await;
if !self.state.read().await.is_connected() {
break;
}
if let Some(sender) = self.sender.read().await.as_ref() {
if !sender.is_open() {
break;
}
} else {
break;
}
self.send_ping().await;
}
}
// -------------------------------------------------------------------------
// Message Handling (Preserved from original)
// -------------------------------------------------------------------------
pub async fn handle_message(self: Arc<Self>, cv: CommunicationValue) {
if !cv.is_type(CommunicationType::Ping) && !cv.is_type(CommunicationType::Pong) {
log_cv_in!(&cv);
}
let msg_id = cv.get_id();
// Dispatch waiting task for this message id
if let Some((_, task)) = WAITING_TASKS.remove(&msg_id) {
if (task.task)(self.clone(), cv.clone()) {
return;
}
}
if cv.is_type(CommunicationType::Pong) {
self.handle_pong(&cv).await;
return;
}
if cv.is_type(CommunicationType::AppIdentification) {
let sender_id = cv.get_sender();
let app_identifier = cv
.get_data(DataType::AppIdentifier)
.as_str()
.unwrap_or("")
.to_string();
let app_public_key = cv
.get_data(DataType::AppPublicKey)
.as_str()
.unwrap_or("")
.to_string();
let user_id = cv.get_data(DataType::UserId).as_number().unwrap_or(0) as i64;
let mut trusted = false;
if let Some(user) = iota_storage::users::user_manager::get_user(user_id) {
if let Some(pub_k) = user.trusted_apps.get(&app_identifier) {
if pub_k == &app_public_key {
trusted = true;
}
}
}
if trusted {
let challenge = Uuid::new_v4().to_string();
self.app_challenges
.write()
.await
.insert(sender_id, challenge.clone());
self.app_sessions
.write()
.await
.insert(sender_id, (user_id, app_identifier.clone()));
if let Some(app_pub_bundle) =
iota_util::crypto_helper::public_key_bundle_from_base64(&app_public_key)
{
let conf = CONFIG.read().await;
let kr_str = conf.get_keyring().unwrap_or_default();
drop(conf);
if let Some(keyring) = keyring_from_base64(&kr_str) {
if let Ok(encrypted_challenge) =
crypto_util::encrypt_challenge(&challenge, &app_pub_bundle)
{
let bundle = keyring.public_key_bundle();
let pub_k_b64 = crypto_helper::public_key_bundle_to_base64(&bundle);
let res = CommunicationValue::new(CommunicationType::AppChallenge)
.with_id(cv.get_id())
.with_receiver(sender_id)
.add_typed_default(DataType::PublicKey, DataValue::Str(pub_k_b64))
.add_typed_default(
DataType::Challenge,
DataValue::Str(encrypted_challenge),
);
self.send_message(&res).await;
return;
}
}
}
}
let res = CommunicationValue::new(CommunicationType::ErrorInvalidChallenge)
.with_id(cv.get_id())
.with_receiver(sender_id);
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::AppChallengeResponse) {
let sender_id = cv.get_sender();
let mut challenges = self.app_challenges.write().await;
if let Some(expected) = challenges.remove(&sender_id) {
if let DataValue::Str(response) = cv.get_data(DataType::Challenge) {
if expected == *response {
let res =
CommunicationValue::new(CommunicationType::AppIdentificationResponse)
.with_id(cv.get_id())
.with_receiver(sender_id);
self.send_message(&res).await;
return;
}
}
}
let res = CommunicationValue::new(CommunicationType::ErrorInvalidChallenge)
.with_id(cv.get_id())
.with_receiver(sender_id);
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::SaveAppData) {
let sender_id = cv.get_sender();
let app_data = cv
.get_data(DataType::AppData)
.as_str()
.unwrap_or("")
.to_string();
let sessions = self.app_sessions.read().await;
if let Some((user_id, app_identifier)) = sessions.get(&sender_id) {
iota_storage::users::user_manager::save_app_data(
*user_id,
app_identifier,
&app_data,
);
}
let res = CommunicationValue::new(CommunicationType::SaveAppData)
.with_id(cv.get_id())
.with_receiver(sender_id);
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::LoadAppData) {
let sender_id = cv.get_sender();
let mut app_data = String::new();
let sessions = self.app_sessions.read().await;
if let Some((user_id, app_identifier)) = sessions.get(&sender_id) {
app_data =
iota_storage::users::user_manager::load_app_data(*user_id, app_identifier);
}
let res = CommunicationValue::new(CommunicationType::LoadAppData)
.with_id(cv.get_id())
.with_receiver(sender_id)
.add_typed_default(DataType::AppData, DataValue::Str(app_data));
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::CreateApp) {
let sender_id = cv.get_sender() as i64;
let app_identifier = cv
.get_data(DataType::AppIdentifier)
.as_str()
.unwrap_or("")
.to_string();
let app_public_key = cv
.get_data(DataType::AppPublicKey)
.as_str()
.unwrap_or("")
.to_string();
if !app_identifier.is_empty() && !app_public_key.is_empty() {
if let Some(mut user) = iota_storage::users::user_manager::get_user(sender_id) {
if !user.trusted_apps.contains_key(&app_identifier) {
user.trusted_apps.insert(app_identifier, app_public_key);
iota_storage::users::user_manager::update_user(user);
}
}
}
let res = CommunicationValue::new(CommunicationType::CreateApp)
.with_id(cv.get_id())
.with_receiver(sender_id as u64);
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::DeleteApp) {
let sender_id = cv.get_sender() as i64;
let app_identifier = cv
.get_data(DataType::AppIdentifier)
.as_str()
.unwrap_or("")
.to_string();
if !app_identifier.is_empty() {
if let Some(mut user) = iota_storage::users::user_manager::get_user(sender_id) {
if user.trusted_apps.contains_key(&app_identifier) {
user.trusted_apps.remove(&app_identifier);
iota_storage::users::user_manager::update_user(user);
}
}
}
let res = CommunicationValue::new(CommunicationType::DeleteApp)
.with_id(cv.get_id())
.with_receiver(sender_id as u64);
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::ClientConnected) {
let user_id = cv.get_data(DataType::UserId).as_number().unwrap_or(0) as i64;
let _session_id = cv.get_data(DataType::SessionId).as_number().unwrap_or(0) as i64;
let contacts = chats_util::get_users(user_id);
let mut contacts_array = Vec::new();
for (i, contact) in contacts.iter().enumerate() {
let mut contact_container = Vec::new();
contact_container.push((
DataType::UserId,
DataValue::SignedNumber(contact.user_id as i128),
));
contact_container.push((
DataType::LastMessageAt,
DataValue::SignedNumber(contact.last_message_at.unwrap_or(0) as i128),
));
if let Some(ref name) = contact.user_name {
contact_container.push((DataType::Username, DataValue::Str(name.clone())));
}
let amount = if i < 10 { 20 } else { 1 };
let messages = chat_files::get_messages(user_id, contact.user_id, 0, amount);
let mut msg_array = Vec::new();
for m in messages.members() {
let message_time = m["message_time"].as_i64().unwrap_or(0);
let content = m["content"].as_str().unwrap_or("").to_string();
let sent_by_self = m["sent_by_self"].as_bool().unwrap_or(false);
let height = m["height"].as_i64().unwrap_or(0);
let message_state = m["message_state"].as_str().unwrap_or("").to_string();
let mut msg_container = Vec::new();
msg_container.push((
DataType::SendTime,
DataValue::SignedNumber(message_time as i128),
));
msg_container.push((DataType::Content, DataValue::Str(content.clone())));
msg_container.push((DataType::MessageState, DataValue::Str(message_state)));
msg_container.push((DataType::Height, DataValue::SignedNumber(height as i128)));
msg_container.push((DataType::SentBySelf, DataValue::Bool(sent_by_self)));
msg_array.push(typed_container(msg_container));
if msg_array.len() == 1 {
let sender_id = if sent_by_self {
user_id
} else {
contact.user_id
};
let mut last_msg = Vec::new();
last_msg.push((DataType::Content, DataValue::Str(content)));
last_msg.push((
DataType::SenderId,
DataValue::SignedNumber(sender_id as i128),
));
contact_container.push((DataType::LastMessage, typed_container(last_msg)));
}
}
contact_container.push((DataType::Messages, DataValue::Array(msg_array)));
contacts_array.push(typed_container(contact_container));
}
let resp = CommunicationValue::new(CommunicationType::ClientConnected)
.with_id(cv.get_id())
.add_typed_default(DataType::Contacts, DataValue::Array(contacts_array));
self.send_message(&resp).await;
return;
}
// ************************************************ //
// Direct messages //
// ************************************************ //
if cv.is_type(CommunicationType::MessageState) {
let sender_id = &cv.get_sender();
let receiver_id = match cv.get_data(DataType::ChatPartnerId).as_number() {
Some(id) => id,
_ => return,
};
// Parse send_time robustly: accept numeric or string, fallback to current time
let send_time_val = cv.get_data(DataType::SendTime);
let now_i64 = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap_or_default()
.as_millis() as i64;
let timestamp_i64 = if let Some(n) = send_time_val.as_number() {
n as i64
} else if let Some(s) = send_time_val.as_str() {
s.parse::<i64>().unwrap_or(now_i64)
} else {
now_i64
};
let _ = chat_files::change_message_state(
timestamp_i64,
receiver_id as i64,
*sender_id as i64,
MessageState::from_str(cv.get_data(DataType::MessageState).as_str().unwrap_or("")),
);
}
// Incoming storsed message: store for the recipient, attempt local delivery, notify sender.
if cv.is_type(CommunicationType::MessageSend) {
let sender_id: u64 = cv.get_sender();
// parse receiver_id (the storage owner for this incoming message)
let receiver_id: i64 = if let Some(n) = cv.get_data(DataType::ReceiverId).as_number() {
n as i64
} else if let Some(s) = cv.get_data(DataType::ReceiverId).as_str() {
s.parse::<i64>().unwrap_or(0)
} else {
0
};
// parse send_time robustly (number or string), fallback to now
let send_time_val = cv.get_data(DataType::SendTime);
let now_i64 = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap_or_default()
.as_millis() as i64;
let timestamp_i64 = if let Some(n) = send_time_val.as_number() {
n as i64
} else if let Some(s) = send_time_val.as_str() {
s.parse::<i64>().unwrap_or(now_i64)
} else {
now_i64
};
let timestamp_u128 = timestamp_i64 as u128;
// content may be missing; default to empty string
let content = cv
.get_data(DataType::Content)
.as_str()
.unwrap_or("")
.to_string();
let height = cv.get_data(DataType::Height).as_number().unwrap_or(0) as i64;
let is_local = iota_storage::users::user_manager::get_user(receiver_id).is_some();
if is_local {
// persist message for the receiver (storage_owner = receiver_id)
chat_files::add_message(
timestamp_u128,
false,
receiver_id as i64,
sender_id as i64,
&content,
height,
);
}
// persist message for the sender (storage_owner = sender_id)
chat_files::add_message(
timestamp_u128,
true,
sender_id as i64,
receiver_id as i64,
&content,
height,
);
// send confirmation back to sender
let conf_msg = CommunicationValue::new(CommunicationType::MessageSend)
.with_id(cv.get_id())
.with_receiver(sender_id as u64);
self.send_message(&conf_msg).await;
if !is_local {
let fw_msg = CommunicationValue::new(CommunicationType::MessageOtherIota)
.with_id(cv.get_id())
.with_receiver(receiver_id as u64)
.with_sender(sender_id as u64)
.add_typed_default(DataType::Height, DataValue::SignedNumber(height as i128))
.add_typed_default(DataType::Content, DataValue::Str(content))
.add_typed_default(
DataType::SendTime,
DataValue::SignedNumber(timestamp_i64 as i128),
);
let other_iota_resp = self
.clone()
.await_response(&fw_msg, Some(Duration::from_secs(10)))
.await;
if let Ok(resp) = other_iota_resp {
let ms_raw = resp
.get_data(DataType::MessageState)
.as_string()
.unwrap_or_else(|| "".to_string());
let ms = MessageState::from_str(&ms_raw).upgrade(MessageState::Received);
let _ = chat_files::change_message_state(
timestamp_i64,
sender_id as i64,
receiver_id as i64,
ms.clone(),
);
self.send_message(
&CommunicationValue::new(CommunicationType::MessageState)
.with_id(cv.get_id())
.with_receiver(sender_id as u64)
.with_sender(receiver_id as u64)
.add_typed_default(
DataType::ChatPartnerId,
DataValue::SignedNumber(receiver_id as i128),
)
.add_typed_default(
DataType::SendTime,
DataValue::SignedNumber(timestamp_i64 as i128),
)
.add_typed_default(
DataType::MessageState,
DataValue::Str(ms.as_str().to_string()),
),
)
.await;
} else {
let _ = chat_files::change_message_state(
timestamp_i64,
sender_id as i64,
receiver_id as i64,
MessageState::Sent,
);
self.send_message(
&CommunicationValue::new(CommunicationType::MessageState)
.with_id(cv.get_id())
.with_receiver(sender_id as u64)
.with_sender(receiver_id as u64)
.add_typed_default(
DataType::ChatPartnerId,
DataValue::SignedNumber(receiver_id as i128),
)
.add_typed_default(
DataType::SendTime,
DataValue::SignedNumber(timestamp_i64 as i128),
)
.add_typed_default(
DataType::MessageState,
DataValue::Str(MessageState::Sent.as_str().to_string()),
),
)
.await;
}
return;
} else {
// Build a live-delivery message for the local client (recipient)
let user_forward = CommunicationValue::new(CommunicationType::MessageLive)
.with_id(cv.get_id())
.with_receiver(receiver_id as u64)
.add_typed_default(
DataType::SenderId,
DataValue::SignedNumber(sender_id as i128),
)
.add_typed_default(
DataType::Message,
typed_container(vec![
(DataType::Content, DataValue::Str(content.clone())),
(
DataType::SendTime,
DataValue::SignedNumber(timestamp_i64 as i128),
),
(DataType::Height, DataValue::SignedNumber(height as i128)),
]),
);
// Attempt delivery and await a response from the local client
let user_resp = self
.clone()
.await_response(&user_forward, Some(Duration::from_secs(3)))
.await;
if let Ok(user_resp) = user_resp {
let ms_raw = user_resp
.get_data(DataType::MessageState)
.as_string()
.unwrap_or_else(|| "".to_string());
let ms = MessageState::from_str(&ms_raw).upgrade(MessageState::Received);
// update stored message state for receiver
let _ = chat_files::change_message_state(
timestamp_i64,
receiver_id as i64,
sender_id as i64,
ms.clone(),
);
// update stored message state for sender
let _ = chat_files::change_message_state(
timestamp_i64,
sender_id as i64,
receiver_id as i64,
ms.clone(),
);
// notify original sender about the delivered/read state (if read receipts are enabled)
if is_read_receipts_enabled().await {
self.send_message(
&CommunicationValue::new(CommunicationType::MessageState)
.with_id(cv.get_id())
.with_receiver(sender_id as u64)
.with_sender(receiver_id as u64)
.add_typed_default(
DataType::ChatPartnerId,
DataValue::SignedNumber(receiver_id as i128),
)
.add_typed_default(
DataType::SendTime,
DataValue::SignedNumber(timestamp_i64 as i128),
)
.add_typed_default(
DataType::MessageState,
DataValue::Str(ms.as_str().to_string()),
),
)
.await;
}
} else {
// Delivery failed or timed out; mark as Sent
let _ = chat_files::change_message_state(
timestamp_i64,
receiver_id as i64,
sender_id as i64,
MessageState::Sent,
);
let _ = chat_files::change_message_state(
timestamp_i64,
sender_id as i64,
receiver_id as i64,
MessageState::Sent,
);
// Send push notification to Omega since user is offline
let push_msg = CommunicationValue::new(CommunicationType::PushNotification)
.with_receiver(receiver_id as u64)
.add_typed_default(
DataType::SenderId,
DataValue::SignedNumber(sender_id as i128),
);
self.send_message(&push_msg).await;
// notify sender
self.send_message(
&CommunicationValue::new(CommunicationType::MessageState)
.with_id(cv.get_id())
.with_receiver(sender_id as u64)
.with_sender(receiver_id as u64)
.add_typed_default(
DataType::SendTime,
DataValue::SignedNumber(timestamp_i64 as i128),
)
.add_typed_default(
DataType::ChatPartnerId,
DataValue::SignedNumber(receiver_id as i128),
)
.add_typed_default(
DataType::MessageState,
DataValue::Str(MessageState::Sent.as_str().to_string()),
),
)
.await;
}
return;
}
}
if cv.is_type(CommunicationType::MessageOtherIota) {
let sender_id = &cv.get_sender();
let receiver_id = &cv.get_receiver();
// parse send_time safely (number or string), fallback to now
let send_time_val = cv.get_data(DataType::SendTime);
let now_i64 = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap_or_default()
.as_millis() as i64;
let timestamp = if let Some(n) = send_time_val.as_number() {
n as i64
} else if let Some(s) = send_time_val.as_str() {
s.parse::<i64>().unwrap_or(now_i64)
} else {
now_i64
};
// content may be missing or non-string; default to empty string
let content = cv
.get_data(DataType::Content)
.as_str()
.unwrap_or("")
.to_string();
let height = cv.get_data(DataType::Height).as_number().unwrap_or(0) as i64;
chat_files::add_message(
timestamp as u128,
false,
*receiver_id as i64,
*sender_id as i64,
&content,
height,
);
// Build user_forward using the parsed numeric timestamp and safe content string
let user_forward = CommunicationValue::new(CommunicationType::MessageLive)
.with_id(cv.get_id())
.with_receiver(*receiver_id)
.add_typed_default(
DataType::SenderId,
DataValue::SignedNumber(*sender_id as i128),
)
.add_typed_default(
DataType::Message,
typed_container(vec![
(DataType::Content, DataValue::Str(content.clone())),
(
DataType::SendTime,
DataValue::SignedNumber(timestamp as i128),
),
(DataType::Height, DataValue::SignedNumber(height as i128)),
]),
);
let user_resp = self
.clone()
.await_response(&user_forward, Some(Duration::from_secs(3)))
.await;
if let Ok(user_resp) = user_resp {
let ms_raw = user_resp
.get_data(DataType::MessageState)
.as_string()
.unwrap_or_else(|| "".to_string());
let ms = MessageState::from_str(&ms_raw).upgrade(MessageState::Received);
let _ = change_message_state(
timestamp,
*receiver_id as i64,
*sender_id as i64,
ms.clone(),
);
// notify original sender about the delivered/read state (if read receipts are enabled)
if is_read_receipts_enabled().await {
self.send_message(
&CommunicationValue::new(CommunicationType::MessageState)
.with_id(cv.get_id())
.with_receiver(*sender_id)
.with_sender(*receiver_id)
.add_typed_default(
DataType::SendTime,
DataValue::SignedNumber(timestamp as i128),
)
.add_typed_default(
DataType::ChatPartnerId,
DataValue::SignedNumber(*sender_id as i128),
)
.add_typed_default(
DataType::MessageState,
DataValue::Str(ms.as_str().to_string()),
),
)
.await;
}
} else {
// Delivery timed out/failed — update stored state and notify sender with numeric timestamp
let _ = chat_files::change_message_state(
timestamp,
*receiver_id as i64,
*sender_id as i64,
MessageState::Sent,
);
// Send push notification to Omega since user is offline
let push_msg = CommunicationValue::new(CommunicationType::PushNotification)
.with_receiver(*receiver_id)
.add_typed_default(
DataType::SenderId,
DataValue::SignedNumber(*sender_id as i128),
);
self.send_message(&push_msg).await;
self.send_message(
&CommunicationValue::new(CommunicationType::MessageState)
.with_id(cv.get_id())
.with_receiver(*sender_id)
.with_sender(*receiver_id)
.add_typed_default(
DataType::SendTime,
DataValue::SignedNumber(timestamp as i128),
)
.add_typed_default(
DataType::ChatPartnerId,
DataValue::SignedNumber(*receiver_id as i128),
)
.add_typed_default(
DataType::MessageState,
DataValue::Str(MessageState::Sent.as_str().to_string()),
),
)
.await;
}
return;
}
if cv.is_type(CommunicationType::MessagesGet) {
let my_id = cv.get_sender();
let partner_id = cv.get_data(DataType::UserId).as_number().unwrap_or(0);
let offset = cv.get_data(DataType::Offset).as_number().unwrap_or(0);
let amount = cv.get_data(DataType::Amount).as_number().unwrap_or(0);
let messages = chat_files::get_messages(
my_id as i64,
partner_id as i64,
offset as i64,
amount as i64,
);
let mut msg_array: Vec<DataValue> = Vec::new();
for m in messages.members() {
let message_time: i64 = m["message_time"].as_i64().unwrap_or(0);
let content: String = m["content"].as_str().unwrap_or("").to_string();
let sent_by_self: bool = m["sent_by_self"].as_bool().unwrap_or(false);
let height: i64 = m["height"].as_i64().unwrap_or(0);
let sender_id: i64 = if sent_by_self {
my_id as i64
} else {
if let Some(n) = cv.get_data(DataType::ChatPartnerId).as_number() {
n as i64
} else if let Some(s) = cv.get_data(DataType::ChatPartnerId).as_str() {
s.parse::<i64>().unwrap_or(partner_id as i64)
} else {
partner_id as i64
}
};
let message_state: String = m["message_state"].as_str().unwrap_or("").to_string();
let mut container = Vec::new();
container.push((
DataType::SendTime,
DataValue::SignedNumber(message_time as i128),
));
container.push((DataType::Content, DataValue::Str(content)));
container.push((
DataType::SenderId,
DataValue::SignedNumber(sender_id as i128),
));
container.push((DataType::MessageState, DataValue::Str(message_state)));
container.push((DataType::Height, DataValue::SignedNumber(height as i128)));
container.push((DataType::SentBySelf, DataValue::Bool(sent_by_self)));
msg_array.push(typed_container(container));
}
let resp = CommunicationValue::new(CommunicationType::MessagesGet)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(DataType::Messages, DataValue::Array(msg_array));
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::GetChats) {
let user_id = cv.get_sender();
let users = chats_util::get_users(user_id as i64);
let mut user_array = Vec::new();
for user in users {
let mut container = Vec::new();
container.push((
DataType::UserId,
DataValue::SignedNumber(user.user_id as i128),
));
if let Some(name) = user.user_name {
container.push((DataType::Username, DataValue::Str(name)));
}
if let Some(ts) = user.last_message_at {
container.push((DataType::LastMessageAt, DataValue::SignedNumber(ts as i128)));
}
user_array.push(typed_container(container));
}
let resp = CommunicationValue::new(CommunicationType::GetChats)
.with_id(cv.get_id())
.with_receiver(user_id)
.add_typed_default(DataType::UserIds, DataValue::Array(user_array));
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::AddConversation) {
let user_id = cv.get_sender();
let other_id = match cv.get_data(DataType::ChatPartnerId).as_number() {
Some(n) => n as i64,
None => cv
.get_data(DataType::ChatPartnerId)
.as_str()
.unwrap_or("0")
.parse()
.unwrap_or(0),
};
let mut contact = get_user(user_id as i64, other_id).unwrap_or(Contact::new(other_id));
if let Some(name) = cv.get_data(DataType::ChatPartnerName).as_str() {
contact.user_name = Some(name.to_string());
}
contact.set_last_message_at(
SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap()
.as_millis() as i64,
);
mod_user(user_id as i64, &contact);
let resp = CommunicationValue::new(CommunicationType::AddConversation)
.with_id(cv.get_id())
.with_receiver(user_id);
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::AddCommunity) {
CommunitiesUtil::add_community(
cv.get_sender() as i64,
cv.get_data(DataType::CommunityAddress)
.as_str()
.unwrap()
.to_string(),
cv.get_data(DataType::CommunityTitle)
.as_str()
.unwrap()
.to_string(),
cv.get_data(DataType::Position)
.as_str()
.unwrap()
.to_string(),
);
let resp = CommunicationValue::new(CommunicationType::AddCommunity)
.with_id(cv.get_id())
.with_receiver(cv.get_sender());
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::GetCommunities) {
let mut comm_array = Vec::new();
for c in CommunitiesUtil::get_communities(cv.get_sender() as i64) {
let mut container: Vec<(DataType, DataValue)> = Vec::new();
if let Some(address) = c["address"].as_str() {
container.push((
DataType::CommunityAddress,
DataValue::Str(address.to_string()),
));
}
if let Some(title) = c["title"].as_str() {
container.push((DataType::CommunityTitle, DataValue::Str(title.to_string())));
}
if let Some(position) = c["position"].as_str() {
container.push((DataType::Position, DataValue::Str(position.to_string())));
}
comm_array.push(typed_container(container));
}
let resp = CommunicationValue::new(CommunicationType::GetCommunities)
.with_id(cv.get_id())
.with_receiver(cv.get_sender())
.add_typed_default(DataType::Communities, DataValue::Array(comm_array));
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::RemoveCommunity) {
CommunitiesUtil::remove_community(
cv.get_sender() as i64,
cv.get_data(DataType::CommunityAddress)
.as_str()
.unwrap()
.to_string(),
);
let resp = CommunicationValue::new(CommunicationType::RemoveCommunity)
.with_id(cv.get_id())
.with_receiver(cv.get_sender());
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::GlobalSettingsSave) {
let my_id = cv.get_sender();
let Some(settings_value) = cv.get_data(DataType::Payload).as_str() else {
let response = CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::Message,
DataValue::Str("Missing settings payload".to_string()),
);
self.send_message(&response).await;
return;
};
save_file(
&format!("users/{}", my_id),
"global.settings",
settings_value,
);
let mut response = CommunicationValue::new(CommunicationType::GlobalSettingsSave)
.with_receiver(my_id)
.with_id(cv.get_id());
if let Some(session_id) = cv.get_data(DataType::SessionId).as_number() {
response = response.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
}
self.send_message(&response).await;
return;
}
if cv.is_type(CommunicationType::GlobalSettingsLoad) {
let my_id = cv.get_sender();
let path = format!("users/{}", my_id);
let name = "global.settings";
if !has_file(&path, name) {
let mut response = CommunicationValue::new(CommunicationType::ErrorNotFound)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(DataType::Path, DataValue::Str(name.to_string()));
if let Some(session_id) = cv.get_data(DataType::SessionId).as_number() {
response = response.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
}
self.send_message(&response).await;
return;
}
let settings_value_str = load_file(&path, name);
let mut response = CommunicationValue::new(CommunicationType::GlobalSettingsLoad)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(DataType::Payload, DataValue::Str(settings_value_str));
if let Some(session_id) = cv.get_data(DataType::SessionId).as_number() {
response = response.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
}
self.send_message(&response).await;
return;
}
if cv.is_type(CommunicationType::SettingsSave) {
let my_id = cv.get_sender();
let Some(session_id) = cv.get_data(DataType::SessionId).as_number() else {
let response = CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::Message,
DataValue::Str("Missing session_id".to_string()),
);
self.send_message(&response).await;
return;
};
let Some(settings_name) = cv.get_data(DataType::SettingsName).as_str() else {
let response = CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::Message,
DataValue::Str("Missing settings_name".to_string()),
)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
self.send_message(&response).await;
return;
};
let Some(settings_value) = cv.get_data(DataType::Payload).as_str() else {
let response = CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::Message,
DataValue::Str("Missing settings payload".to_string()),
)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
self.send_message(&response).await;
return;
};
if !settings_name
.chars()
.all(|c| c.is_alphanumeric() || c == '_' || c == '-' || c == '.')
|| settings_name.contains("..")
{
let response = CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::Message,
DataValue::Str("Invalid settings_name".to_string()),
)
.add_typed_default(
DataType::SettingsName,
DataValue::Str(settings_name.to_string()),
)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
self.send_message(&response).await;
return;
}
save_file(
&format!("users/{}/settings/{}/", my_id, session_id),
&format!("{}.settings", settings_name),
settings_value,
);
let response = CommunicationValue::new(CommunicationType::SettingsSave)
.with_receiver(my_id)
.with_id(cv.get_id())
.add_typed_default(
DataType::SettingsName,
DataValue::Str(settings_name.to_string()),
)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
self.send_message(&response).await;
return;
}
if cv.is_type(CommunicationType::SettingsLoad) {
let my_id = cv.get_sender();
let Some(session_id) = cv.get_data(DataType::SessionId).as_number() else {
let response = CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::Message,
DataValue::Str("Missing session_id".to_string()),
);
self.send_message(&response).await;
return;
};
let Some(settings_name) = cv.get_data(DataType::SettingsName).as_str() else {
let response = CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::Message,
DataValue::Str("Missing settings_name".to_string()),
)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
self.send_message(&response).await;
return;
};
if !settings_name
.chars()
.all(|c| c.is_alphanumeric() || c == '_' || c == '-' || c == '.')
|| settings_name.contains("..")
{
let response = CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::Message,
DataValue::Str("Invalid settings_name".to_string()),
)
.add_typed_default(
DataType::SettingsName,
DataValue::Str(settings_name.to_string()),
)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
self.send_message(&response).await;
return;
}
let settings_file = format!("{}.settings", settings_name);
let settings_path = format!("users/{}/settings/{}/", my_id, session_id);
if !has_file(&settings_path, &settings_file) {
let response = CommunicationValue::new(CommunicationType::ErrorNotFound)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::SettingsName,
DataValue::Str(settings_name.to_string()),
)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
self.send_message(&response).await;
return;
}
let settings_value_str = load_file(&settings_path, &settings_file);
let response = CommunicationValue::new(CommunicationType::SettingsLoad)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(DataType::Payload, DataValue::Str(settings_value_str))
.add_typed_default(
DataType::SettingsName,
DataValue::Str(settings_name.to_string()),
)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
self.send_message(&response).await;
return;
}
if cv.is_type(CommunicationType::SettingsList) {
let my_id = cv.get_sender();
let Some(session_id) = cv.get_data(DataType::SessionId).as_number() else {
let response = CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(
DataType::Message,
DataValue::Str("Missing session_id".to_string()),
);
self.send_message(&response).await;
return;
};
let settings = get_children(&format!("users/{}/settings/{}/", my_id, session_id));
let mut settings_json = Vec::new();
for s in settings {
let s = s.replace(".settings", "");
if s.is_empty() {
continue;
}
let _ = settings_json.push(DataValue::Str(s));
}
let response = CommunicationValue::new(CommunicationType::SettingsList)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_typed_default(DataType::Settings, DataValue::Array(settings_json))
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id as i128),
);
self.send_message(&response).await;
return;
}
}
// -------------------------------------------------------------------------
// Public API
// -------------------------------------------------------------------------
pub async fn send_message(&self, cv: &CommunicationValue) {
if let Err(err) = self.send_message_result(cv).await {
log_t!("send_message_failed", err);
}
}
async fn send_message_result(&self, cv: &CommunicationValue) -> Result<(), String> {
let sender_guard = self.sender.read().await;
if let Some(sender) = sender_guard.as_ref() {
if !sender.is_open() {
drop(sender_guard);
if let Some(sender) = self.sender.write().await.take() {
sender.close();
}
self.fail_all_waiting_tasks(format!(
"Send failed: connection closed (connection_id={})",
self.connection_id
))
.await;
return Err("connection closed".to_string());
}
let sender_clone = Arc::clone(sender);
drop(sender_guard);
if !cv.is_type(CommunicationType::Ping) && !cv.is_type(CommunicationType::Pong) {
log_cv_out!(&cv);
}
if let Err(e) = sender_clone.send(cv).await {
self.fail_all_waiting_tasks(format!(
"Send failed: {} (connection_id={})",
e, self.connection_id
))
.await;
return Err(e.to_string());
}
Ok(())
} else {
Err("not connected".to_string())
}
}
async fn fail_all_waiting_tasks(&self, reason: String) {
let keys: Vec<u32> = WAITING_TASKS.iter().map(|entry| *entry.key()).collect();
for key in keys {
if let Some((_, waiting_task)) = WAITING_TASKS.remove(&key) {
let response = CommunicationValue::new(CommunicationType::ErrorInternal)
.with_id(key)
.add_typed_default(DataType::Message, DataValue::Str(reason.clone()));
let _ = (waiting_task.task)(OMIKRON_CONNECTION.clone(), response);
}
}
}
pub async fn is_connected(&self) -> bool {
self.state.read().await.is_connected()
}
pub async fn is_identified(&self) -> bool {
self.state.read().await.is_identified()
}
pub async fn await_response(
&self,
cv: &CommunicationValue,
timeout_duration: Option<Duration>,
) -> Result<CommunicationValue, String> {
let (tx, mut rx) = mpsc::channel(1);
let msg_id = cv.get_id();
WAITING_TASKS.insert(
msg_id,
WaitingTask {
task: Box::new(move |_, response_cv| {
let inner_tx = tx.clone();
tokio::spawn(async move {
let _ = inner_tx.send(response_cv).await;
});
true
}),
inserted_at: Instant::now(),
},
);
if let Err(send_err) = self.send_message_result(cv).await {
WAITING_TASKS.remove(&msg_id);
return Err(format!(
"Request send failed (msg_id={}, reason={})",
msg_id, send_err
));
}
let timeout = timeout_duration.unwrap_or(Duration::from_secs(10));
match tokio::time::timeout(timeout, rx.recv()).await {
Ok(Some(response_cv)) => {
let is_error = response_cv.is_type(CommunicationType::Error)
|| response_cv.is_type(CommunicationType::ErrorInternal)
|| response_cv.is_type(CommunicationType::ErrorNotFound)
|| response_cv.is_type(CommunicationType::ErrorInvalidData)
|| response_cv.is_type(CommunicationType::ErrorInvalidChallenge)
|| response_cv.is_type(CommunicationType::ErrorNotAuthenticated);
if is_error {
let reason = response_cv
.get_data(DataType::Message)
.as_str()
.unwrap_or("connection error")
.to_string();
Err(format!(
"Request failed due to disconnect (msg_id={}, reason={})",
msg_id, reason
))
} else {
Ok(response_cv)
}
}
Ok(_) => {
WAITING_TASKS.remove(&msg_id);
Err("Channel closed while awaiting response".to_string())
}
Err(_) => {
let waiting_tasks_len = WAITING_TASKS.len();
WAITING_TASKS.remove(&msg_id);
Err(format!(
"Request timed out (msg_id={}, timeout={}s, connected={}, waiting_tasks={})",
msg_id,
timeout.as_secs(),
self.is_connected().await,
waiting_tasks_len
))
}
}
}
pub async fn await_connection(&self, timeout_duration: Option<Duration>) -> Result<(), String> {
if self.state.read().await.is_connected() {
return Ok(());
}
let timeout = timeout_duration.unwrap_or(CONNECTION_TIMEOUT);
let start = Instant::now();
loop {
if self.state.read().await.is_connected() {
return Ok(());
}
if start.elapsed() >= timeout {
return Err(format!(
"Connection not established within {} seconds",
timeout.as_secs()
));
}
sleep(Duration::from_millis(100)).await;
}
}
pub async fn has_auth_failure(&self) -> bool {
self.auth_failure.read().await.is_some()
}
pub async fn get_auth_failure(&self) -> Option<String> {
self.auth_failure.read().await.clone()
}
pub async fn clear_auth_failure(&self) {
*self.auth_failure.write().await = None;
}
pub async fn reconnect(self: &Arc<Self>) {
self.clear_auth_failure().await;
*self.reconnect_on_close.write().await = true;
self.stop().await;
self.connect().await;
}
}
// ============================================================================
// Global Instance
// ============================================================================
pub static OMIKRON_CONNECTION: LazyLock<Arc<OmikronConnection>> = LazyLock::new(|| {
let conn = Arc::new(OmikronConnection::new());
start_task_cleanup_loop();
conn
});
pub async fn get_omikron_connection() -> Arc<OmikronConnection> {
let conn = OMIKRON_CONNECTION.clone();
conn.connect().await;
conn
}