iota/omikron-connector/src/omikron_connection.rs

2163 lines
80 KiB
Rust
Executable file

use dashmap::{DashMap, DashSet};
use iota_logger::{log, log_cv_in, log_cv_out, log_t};
use iota_state::AppState;
use iota_storage::util::chat_files::{self, MessageState, change_message_state};
use iota_storage::util::config_util::{CONFIG, modify_config};
use iota_storage::util::e2ee_storage::{self, PendingChatSecretForward, StoredChatSecret};
use iota_util::crypto_helper::{self, keyring_from_base64};
use iota_util::crypto_util::{self};
use mtp::client::{Client, ClientConfig, MTPConnection, Policy, SendMode, Sender};
use mtp::codec::{CommunicationType, CommunicationValue, DataType, DataValue};
use mtp::crypto::{Keyring, PublicKeyBundle};
use std::env;
use std::path::{Path, PathBuf};
use std::sync::atomic::{AtomicU32, Ordering};
use std::sync::{Arc, LazyLock};
use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
use tokio::sync::{Mutex, RwLock, Semaphore, oneshot, watch};
use tokio::task::JoinHandle;
use tokio::time::sleep;
use tokio_util::sync::CancellationToken;
use uuid::Uuid;
use crate::client::{OmikronClient, OmikronError};
use crate::omega_discovery;
use iota_connection::message_common::*;
use iota_connection::message_handlers;
fn pending_chat_secret_forward_from_cv(
cv: &CommunicationValue,
) -> Option<PendingChatSecretForward> {
let recipient = chat_secret_recipients(cv)?.into_iter().next()?;
Some(PendingChatSecretForward {
recipient_user_id: recipient.user_id,
chat_id: data_string(cv, DataType::ChatId)?,
sender_user_id: cv.get_sender().to_string(),
secret_id: data_string(cv, DataType::SecretId)?,
version: data_i64(cv, DataType::VersionNumber)?,
encrypted_secret: recipient.encrypted_secret,
kem_ciphertext: recipient.kem_ciphertext,
wrapping_scheme: data_string(cv, DataType::WrappingScheme)?,
created_at: data_i64(cv, DataType::CreatedAt).unwrap_or_else(now_millis_i64),
})
}
fn chat_secret_forward_cv(record: &PendingChatSecretForward) -> CommunicationValue {
let recipient = typed_container(vec![
(
DataType::UserId,
DataValue::Str(record.recipient_user_id.clone()),
),
(
DataType::EncryptedSecret,
DataValue::Bytes(record.encrypted_secret.clone()),
),
(
DataType::KemCiphertext,
DataValue::Bytes(record.kem_ciphertext.clone()),
),
]);
CommunicationValue::new(CommunicationType::SetChatSecret)
.with_sender(record.sender_user_id.parse::<u64>().unwrap_or(0))
.with_receiver(record.recipient_user_id.parse::<u64>().unwrap_or(0))
.add_typed_default(DataType::ChatId, DataValue::Str(record.chat_id.clone()))
.add_typed_default(
DataType::SenderUserId,
DataValue::Str(record.sender_user_id.clone()),
)
.add_typed_default(DataType::SecretId, DataValue::Str(record.secret_id.clone()))
.add_typed_default(
DataType::VersionNumber,
DataValue::SignedNumber(record.version as i128),
)
.add_typed_default(
DataType::WrappingScheme,
DataValue::Str(record.wrapping_scheme.clone()),
)
.add_typed_default(
DataType::CreatedAt,
DataValue::SignedNumber(record.created_at as i128),
)
.add_typed_default(DataType::Recipients, DataValue::Array(vec![recipient]))
}
// Helper function to check if read receipts are enabled globally
async fn is_read_receipts_enabled() -> bool {
CONFIG.load().read_receipts_enabled
}
// ============================================================================
// Configuration
// ============================================================================
const IOTA_KEYRING_PATH: &str = "iota.mk";
static IDENTITY_PATH: std::sync::OnceLock<PathBuf> = std::sync::OnceLock::new();
/// Must be called by the daemon before any Omikron connection is attempted.
/// It keeps identity material independent from the working directory.
pub fn configure_identity_path(path: PathBuf) {
let _ = IDENTITY_PATH.set(path);
}
fn identity_path() -> &'static Path {
IDENTITY_PATH
.get()
.map(PathBuf::as_path)
.unwrap_or_else(|| Path::new(IOTA_KEYRING_PATH))
}
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);
const MAX_MISSED_PONGS: u32 = 3;
const MAX_CONCURRENT_HANDLERS: usize = 20;
// ============================================================================
// Waiting Task System
// ============================================================================
pub struct WaitingTask {
pub task: Box<dyn FnOnce(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>>,
state_watch_tx: watch::Sender<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<DashMap<u64, String>>,
pub app_sessions: Arc<DashMap<u64, (i64, String)>>,
pub(crate) missed_pongs: Arc<AtomicU32>,
handler_semaphore: Arc<Semaphore>,
cancellation: CancellationToken,
pub(crate) active_tasks: Arc<DashSet<String>>,
pub(crate) app: Arc<std::sync::Mutex<AppState>>,
}
impl OmikronConnection {
pub fn new(active_tasks: Arc<DashSet<String>>, app: Arc<std::sync::Mutex<AppState>>) -> Self {
Self::with_cancellation(CancellationToken::new(), active_tasks, app)
}
pub fn with_cancellation(
cancellation: CancellationToken,
active_tasks: Arc<DashSet<String>>,
app: Arc<std::sync::Mutex<AppState>>,
) -> Self {
let (shutdown_tx, _) = watch::channel(false);
let (state_watch_tx, _) = watch::channel(ConnectionState::Disconnected);
OmikronConnection {
state: Arc::new(RwLock::new(ConnectionState::Disconnected)),
state_watch_tx,
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(DashMap::new()),
app_sessions: Arc::new(DashMap::new()),
missed_pongs: Arc::new(AtomicU32::new(0)),
handler_semaphore: Arc::new(Semaphore::new(MAX_CONCURRENT_HANDLERS)),
cancellation,
active_tasks,
app,
}
}
async fn set_state(&self, new_state: ConnectionState) {
*self.state.write().await = new_state;
let _ = self.state_watch_tx.send(new_state);
}
/// Subscribe to connection transitions for daemon health reporting.
pub fn connection_state(&self) -> watch::Receiver<ConnectionState> {
self.state_watch_tx.subscribe()
}
// -------------------------------------------------------------------------
// 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().await;
}
self.set_state(ConnectionState::Disconnected).await;
*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() || self.cancellation.is_cancelled() {
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.set_state(ConnectionState::Connecting).await;
log_t!("omikron_connecting");
let keyring = self.load_or_migrate_keyring().await;
let existing_iota_id = CONFIG.load().iota_id;
let (host, port, omikron_public_key) =
self.resolve_omikron_endpoint(existing_iota_id).await?;
let addr_str = format!("https://{}:{}", host, port);
log!("Connecting to Omikron at {}", addr_str);
let client_config = ClientConfig::new(&addr_str)
.with_description("iota")
.with_policy(Policy {
send_mode: SendMode::SingleStreamPerMessage,
max_message_size: 1_000_000_000,
handshake_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),
receiver_queue_capacity: 1000,
max_concurrent_stream_tasks: 10,
persistent_stream_max_retries: 5,
persistent_stream_retry_backoff: Duration::from_secs(5),
max_frames_per_stream: None,
});
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.set_state(ConnectionState::Disconnected).await;
return Err(reason);
}
Err(e) => return Err(format!("Connection failed: {}", e)),
};
log_t!("omikron_connection_success");
if existing_iota_id.is_none() {
modify_config(|cfg| cfg.iota_id = Some(connection.client_id));
log!("Registered with Iota-ID: {}", connection.client_id);
}
let sender_arc = Arc::new(connection.sender.clone());
*self.sender.write().await = Some(sender_arc.clone());
self.set_state(ConnectionState::Connected { identified: true })
.await;
// Start read loop
let connection = Arc::new(connection);
let read_self = self.clone();
let read_handle = tokio::spawn(async move {
read_self.read_loop(connection).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);
{
self.active_tasks.insert("Omikron Listener".to_string());
}
// Wait for read loop to complete
let result = read_handle.await;
*self.sender.write().await = None;
self.set_state(ConnectionState::Disconnected).await;
{
self.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 {
let path = identity_path();
if let Ok(kr) = mtp::files::load_keyring_raw(path) {
return kr;
}
let legacy = CONFIG.load().keyring.clone();
let keyring = legacy
.and_then(|b64| keyring_from_base64(&b64))
.unwrap_or_else(|| {
log!(
"WARNING: No existing keyring found. Neither {} nor config.json \
contain a keyring; generating a new identity. If you already had \
an Iota identity, restore {} from a backup to avoid losing access.",
path.display(),
path.display()
);
crypto_helper::generate_keyring()
});
if let Some(parent) = path.parent() {
let _ = std::fs::create_dir_all(parent);
}
if let Err(e) = mtp::files::save_keyring_raw(&keyring, path) {
log!("Failed to persist {}: {}", path.display(), e);
}
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.load();
match (&conf.omikron_host, conf.omikron_port) {
(Some(host), Some(port)) => Some((host.clone(), 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(),
);
};
modify_config(|cfg| {
cfg.omikron_host = Some(host.clone());
cfg.omikron_port = Some(port);
});
Ok((host, port, public_key))
}
// -------------------------------------------------------------------------
// Read Loop & Heartbeat
// -------------------------------------------------------------------------
async fn read_loop(self: Arc<Self>, connection: Arc<MTPConnection>) {
loop {
let result = connection.receive().await;
match result {
Ok(cv) => {
let msg_id = cv.get_id();
if let Some((_, task)) = WAITING_TASKS.remove(&msg_id) {
if (task.task)(cv.clone()) {
continue;
}
}
if cv.is_type(CommunicationType::Pong) {
self.handle_pong(&cv).await;
continue;
}
let permit = self.handler_semaphore.clone().acquire_owned().await;
let self_clone = self.clone();
tokio::spawn(async move {
let _permit = permit;
self_clone.handle_message_impl(cv).await;
});
}
Err(e) => {
self.fail_all_waiting_tasks(format!(
"Connection receive error: {} (connection_id={})",
e, self.connection_id
))
.await;
break;
}
}
if !connection.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;
}
if self.missed_pongs.load(Ordering::Relaxed) > MAX_MISSED_PONGS {
log!(
"Connection appears dead ({} consecutive missed pongs), closing sender",
self.missed_pongs.load(Ordering::Relaxed)
);
if let Some(sender) = self.sender.read().await.as_ref() {
sender.close().await;
}
break;
}
self.flush_pending_chat_secret_forwards().await;
self.send_ping().await;
}
}
async fn forward_chat_secret(&self, cv: &CommunicationValue) -> bool {
self.await_response(cv, Some(Duration::from_secs(10)))
.await
.is_ok()
}
async fn store_pending_chat_secret_forward(&self, cv: &CommunicationValue) {
let Some(record) = pending_chat_secret_forward_from_cv(cv) else {
return;
};
let _ = e2ee_storage::put_pending_chat_secret_forward(record);
}
async fn flush_pending_chat_secret_forwards(&self) {
let Ok(records) = e2ee_storage::get_pending_chat_secret_forwards(100) else {
return;
};
for record in records {
let Ok(recipient) = record.recipient_user_id.parse::<u64>() else {
let _ = e2ee_storage::delete_pending_chat_secret_forward(
&record.recipient_user_id,
&record.chat_id,
&record.secret_id,
);
continue;
};
let message = chat_secret_forward_cv(&record).with_receiver(recipient);
if self.forward_chat_secret(&message).await {
let _ = e2ee_storage::delete_pending_chat_secret_forward(
&record.recipient_user_id,
&record.chat_id,
&record.secret_id,
);
}
}
}
async fn forward_message_live(
&self,
message_id: u32,
receiver_id: u64,
sender_id: i64,
timestamp: i64,
content: &str,
height: i64,
reply_to: Option<i64>,
) -> Option<MessageState> {
let mut msg_fields = vec![
(DataType::Content, DataValue::Str(content.to_string())),
(
DataType::SendTime,
DataValue::SignedNumber(timestamp as i128),
),
(DataType::Height, DataValue::SignedNumber(height as i128)),
];
if let Some(rt) = reply_to {
msg_fields.push((
DataType::ReplyId,
DataValue::UnsignedNumber(rt as u64 as u128),
));
}
let user_forward = CommunicationValue::new(CommunicationType::MessageLive)
.with_id(message_id)
.with_receiver(receiver_id)
.add_typed_default(
DataType::SenderId,
DataValue::SignedNumber(sender_id as i128),
)
.add_typed_default(DataType::Message, typed_container(msg_fields));
match self
.await_response(&user_forward, Some(Duration::from_secs(3)))
.await
{
Ok(user_resp) => {
let ms_raw = user_resp
.get_data(DataType::MessageState)
.as_string()
.unwrap_or_else(|| "".to_string());
Some(MessageState::from_str(&ms_raw).upgrade(MessageState::Received))
}
Err(_) => None,
}
}
async fn forward_to_remote_iota(
&self,
cv: &CommunicationValue,
sender_id: i64,
receiver_id: i64,
timestamp: i64,
content: &str,
height: i64,
reply_to: Option<i64>,
) {
let mut 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.to_string()))
.add_typed_default(
DataType::SendTime,
DataValue::SignedNumber(timestamp as i128),
);
if let Some(rt) = reply_to {
fw_msg = fw_msg.add_typed_default(
DataType::ReplyId,
DataValue::UnsignedNumber(rt as u64 as u128),
);
}
match self
.await_response(&fw_msg, Some(Duration::from_secs(10)))
.await
{
Ok(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, sender_id, receiver_id, ms.clone());
let _ = 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 as i128),
)
.add_typed_default(
DataType::MessageState,
DataValue::Str(ms.as_str().to_string()),
),
)
.await;
}
Err(_) => {
let _ = chat_files::change_message_state(
timestamp,
sender_id,
receiver_id,
MessageState::Sent,
);
let _ = 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 as i128),
)
.add_typed_default(
DataType::MessageState,
DataValue::Str(MessageState::Sent.as_str().to_string()),
),
)
.await;
}
}
}
// -------------------------------------------------------------------------
// Message Handling — Dispatch
// -------------------------------------------------------------------------
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();
if let Some((_, task)) = WAITING_TASKS.remove(&msg_id) {
if (task.task)(cv.clone()) {
return;
}
}
if cv.is_type(CommunicationType::Pong) {
self.handle_pong(&cv).await;
return;
}
self.clone().handle_message_impl(cv).await;
}
async fn handle_message_impl(self: Arc<Self>, cv: CommunicationValue) {
macro_rules! dispatch {
($ty:ident, $method:ident) => {
if cv.is_type(CommunicationType::$ty) {
self.clone().$method(&cv).await;
return;
}
};
}
dispatch!(SetChatSecret, handle_set_chat_secret);
dispatch!(GetChatSecret, handle_get_chat_secret);
dispatch!(ChatSecretForward, handle_chat_secret_forward);
dispatch!(AppIdentification, handle_app_identification);
dispatch!(AppChallengeResponse, handle_app_challenge_response);
dispatch!(SaveAppData, handle_save_app_data);
dispatch!(LoadAppData, handle_load_app_data);
dispatch!(CreateApp, handle_create_app);
dispatch!(DeleteApp, handle_delete_app);
dispatch!(ClientConnected, handle_client_connected);
dispatch!(ClientStateAck, handle_client_state_ack);
dispatch!(MessageState, handle_message_state);
dispatch!(MessageSend, handle_message_send);
dispatch!(MessageEdit, handle_message_edit);
dispatch!(MessageEditLive, handle_message_edit_live);
dispatch!(MessageReactionAdd, handle_message_reaction_add);
dispatch!(MessageReactionRemove, handle_message_reaction_remove);
dispatch!(MessageReactionLive, handle_message_reaction_live);
dispatch!(MessageDeleteLive, handle_message_delete_live);
dispatch!(MessageOtherIota, handle_message_other_iota);
dispatch!(MessagesGet, handle_messages_get);
dispatch!(GetChats, handle_get_chats);
dispatch!(AddConversation, handle_add_conversation);
dispatch!(AddCommunity, handle_add_community);
dispatch!(GetCommunities, handle_get_communities);
dispatch!(RemoveCommunity, handle_remove_community);
dispatch!(GlobalSettingsSave, handle_global_settings_save);
dispatch!(GlobalSettingsLoad, handle_global_settings_load);
dispatch!(SettingsSave, handle_settings_save);
dispatch!(SettingsLoad, handle_settings_load);
dispatch!(SettingsList, handle_settings_list);
}
// -------------------------------------------------------------------------
// Message Handlers
// -------------------------------------------------------------------------
async fn handle_set_chat_secret(self: Arc<Self>, cv: &CommunicationValue) {
let sender_id = cv.get_sender().to_string();
let recipients = match chat_secret_recipients(cv) {
Some(recipients) => recipients,
None => {
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorInvalidData))
.await;
return;
}
};
let now = now_millis_i64();
let chat_id = data_string(cv, DataType::ChatId);
let secret_id = data_string(cv, DataType::SecretId);
let version = data_i64(cv, DataType::VersionNumber);
let wrapping_scheme = data_string(cv, DataType::WrappingScheme);
let created_at = data_i64(cv, DataType::CreatedAt).unwrap_or(now);
let Some((((chat_id, secret_id), version), wrapping_scheme)) =
chat_id.zip(secret_id).zip(version).zip(wrapping_scheme)
else {
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorInvalidData))
.await;
return;
};
let mut non_local_forwards: Vec<CommunicationValue> = Vec::new();
for recipient in &recipients {
let recipient_id = recipient.user_id.parse::<i64>().unwrap_or(0);
let is_local = iota_storage::users::user_manager::get_user(recipient_id).is_some();
if is_local {
if e2ee_storage::put_chat_secret(StoredChatSecret {
user_id: recipient.user_id.clone(),
chat_id: chat_id.clone(),
secret_id: secret_id.clone(),
version,
encrypted_secret: recipient.encrypted_secret.clone(),
kem_ciphertext: recipient.kem_ciphertext.clone(),
wrapping_scheme: wrapping_scheme.clone(),
created_at,
updated_at: now,
})
.is_err()
{
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorInvalidData))
.await;
return;
}
continue;
}
if recipient.user_id != sender_id {
non_local_forwards.push(set_chat_secret_cv_for_recipient(cv, recipient));
}
}
if !non_local_forwards.is_empty() {
let mut handles = Vec::new();
for forward in &non_local_forwards {
let self_clone = self.clone();
let fwd = forward.clone();
handles.push(tokio::spawn(async move {
self_clone.forward_chat_secret(&fwd).await
}));
}
for (forward, handle) in non_local_forwards.into_iter().zip(handles) {
match handle.await {
Ok(true) => {}
_ => self.store_pending_chat_secret_forward(&forward).await,
}
}
}
let _ = self
.send_message(&error_response(cv, CommunicationType::Success))
.await;
}
async fn handle_get_chat_secret(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_get_chat_secret(cv))
.await;
}
async fn handle_chat_secret_forward(self: Arc<Self>, cv: &CommunicationValue) {
let sender_id = cv.get_sender().to_string();
let recipient_user_id = data_string(cv, DataType::RecipientUserId).unwrap_or_default();
if data_string(cv, DataType::SenderUserId).as_deref() != Some(sender_id.as_str())
|| recipient_user_id.is_empty()
|| pending_chat_secret_forward_from_cv(cv).is_none()
{
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorInvalidData))
.await;
return;
}
let forward = cv
.clone()
.with_receiver(recipient_user_id.parse::<u64>().unwrap_or(0));
if self.forward_chat_secret(&forward).await {
let _ = self
.send_message(&error_response(cv, CommunicationType::Success))
.await;
} else {
self.store_pending_chat_secret_forward(cv).await;
let _ = self
.send_message(&error_response(cv, CommunicationType::Success))
.await;
}
}
async fn handle_app_identification(self: Arc<Self>, cv: &CommunicationValue) {
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.insert(sender_id, challenge.clone());
self.app_sessions
.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)
{
if let Ok(keyring) = mtp::files::load_keyring_raw(identity_path()) {
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),
);
let _ = self.send_message(&res).await;
return;
}
}
}
}
let res = CommunicationValue::new(CommunicationType::ErrorInvalidChallenge)
.with_id(cv.get_id())
.with_receiver(sender_id);
let _ = self.send_message(&res).await;
}
async fn handle_app_challenge_response(self: Arc<Self>, cv: &CommunicationValue) {
let sender_id = cv.get_sender();
if let Some((_, expected_challenge)) = self.app_challenges.remove(&sender_id) {
if let DataValue::Str(response) = cv.get_data(DataType::Challenge) {
if expected_challenge == *response {
let res = CommunicationValue::new(CommunicationType::AppIdentificationResponse)
.with_id(cv.get_id())
.with_receiver(sender_id);
let _ = self.send_message(&res).await;
return;
}
}
}
let res = CommunicationValue::new(CommunicationType::ErrorInvalidChallenge)
.with_id(cv.get_id())
.with_receiver(sender_id);
let _ = self.send_message(&res).await;
}
async fn handle_save_app_data(self: Arc<Self>, cv: &CommunicationValue) {
let sender_id = cv.get_sender();
let app_data = cv
.get_data(DataType::AppData)
.as_str()
.unwrap_or("")
.to_string();
if let Some(session) = self.app_sessions.get(&sender_id) {
let (user_id, app_identifier) = session.value();
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);
let _ = self.send_message(&res).await;
}
async fn handle_load_app_data(self: Arc<Self>, cv: &CommunicationValue) {
let sender_id = cv.get_sender();
let mut app_data = String::new();
if let Some(session) = self.app_sessions.get(&sender_id) {
let (user_id, app_identifier) = session.value();
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));
let _ = self.send_message(&res).await;
}
async fn handle_create_app(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_create_app(cv))
.await;
}
async fn handle_delete_app(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_delete_app(cv))
.await;
}
async fn handle_client_connected(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_client_connected(cv))
.await;
}
async fn handle_client_state_ack(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_client_state_ack(cv))
.await;
}
async fn handle_message_state(self: Arc<Self>, cv: &CommunicationValue) {
message_handlers::handle_message_state(cv);
}
fn mutation_live_message(
ty: CommunicationType,
request: &CommunicationValue,
mutation: &message_handlers::MessageMutation,
extra: Vec<(DataType, DataValue)>,
) -> CommunicationValue {
let mut message = CommunicationValue::new(ty)
.with_id(request.get_id())
.with_sender(mutation.sender_id as u64)
.with_receiver(mutation.partner_id as u64)
.add_typed_default(
DataType::ChatPartnerId,
DataValue::SignedNumber(mutation.sender_id as i128),
)
.add_typed_default(
DataType::SendTime,
DataValue::SignedNumber(mutation.send_time as i128),
);
for (data_type, value) in extra {
message = message.add_typed_default(data_type, value);
}
message
}
async fn persist_and_deliver_remote_edit(&self, cv: &CommunicationValue) {
let sender_id = match i64::try_from(cv.get_sender()) {
Ok(sender_id) => sender_id,
Err(_) => return,
};
let receiver_id = match i64::try_from(cv.get_receiver()) {
Ok(receiver_id) if receiver_id > 0 => receiver_id,
_ => return,
};
let Some(send_time) = data_i64(cv, DataType::SendTime).filter(|time| *time > 0) else {
return;
};
let Some(content) = cv.get_data(DataType::Content).as_str() else {
return;
};
if chat_files::apply_remote_edit(receiver_id, sender_id, send_time, sender_id, content)
.is_ok()
{
let _ = self.send_message(cv).await;
}
}
async fn persist_and_deliver_remote_reaction(&self, cv: &CommunicationValue, add: bool) {
let sender_id = match i64::try_from(cv.get_sender()) {
Ok(sender_id) => sender_id,
Err(_) => return,
};
let receiver_id = match i64::try_from(cv.get_receiver()) {
Ok(receiver_id) if receiver_id > 0 => receiver_id,
_ => return,
};
let Some(send_time) = data_i64(cv, DataType::SendTime).filter(|time| *time > 0) else {
return;
};
let Some(reaction) = cv.get_data(DataType::Reaction).as_str() else {
return;
};
if reaction.is_empty() || reaction.len() > 64 {
return;
}
let result = if add {
chat_files::add_reaction(receiver_id, sender_id, send_time, sender_id, reaction)
} else {
chat_files::remove_reaction(receiver_id, sender_id, send_time, sender_id, reaction)
};
if result.is_ok() {
let _ = self.send_message(cv).await;
}
}
async fn persist_and_deliver_remote_delete(&self, cv: &CommunicationValue) {
let sender_id = match i64::try_from(cv.get_sender()) {
Ok(sender_id) => sender_id,
Err(_) => return,
};
let receiver_id = match i64::try_from(cv.get_receiver()) {
Ok(receiver_id) if receiver_id > 0 => receiver_id,
_ => return,
};
let Some(send_time) = data_i64(cv, DataType::SendTime).filter(|time| *time > 0) else {
return;
};
if chat_files::apply_remote_delete(receiver_id, sender_id, send_time, sender_id).is_ok() {
let _ = self.send_message(cv).await;
}
}
async fn handle_message_edit(self: Arc<Self>, cv: &CommunicationValue) {
let response = message_handlers::handle_message_edit(cv);
if !response.is_type(CommunicationType::Success) {
let _ = self.send_message(&response).await;
return;
}
let Ok(mutation) = message_handlers::message_mutation(cv) else {
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorInvalidData))
.await;
return;
};
let Some(content) = cv.get_data(DataType::Content).as_str() else {
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorInvalidData))
.await;
return;
};
let live = Self::mutation_live_message(
CommunicationType::MessageEditLive,
cv,
&mutation,
vec![(DataType::Content, DataValue::Str(content.to_string()))],
);
if iota_storage::users::user_manager::get_user(mutation.partner_id).is_some()
&& chat_files::apply_remote_edit(
mutation.partner_id,
mutation.sender_id,
mutation.send_time,
mutation.sender_id,
content,
)
.is_err()
{
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorNotFound))
.await;
return;
}
let _ = self.send_message(&response).await;
let _ = self.send_message(&live).await;
}
async fn handle_message_edit_live(self: Arc<Self>, cv: &CommunicationValue) {
self.persist_and_deliver_remote_edit(cv).await;
}
async fn handle_message_reaction_add(self: Arc<Self>, cv: &CommunicationValue) {
self.handle_message_reaction(cv, true).await;
}
async fn handle_message_reaction_remove(self: Arc<Self>, cv: &CommunicationValue) {
self.handle_message_reaction(cv, false).await;
}
async fn handle_message_reaction(self: Arc<Self>, cv: &CommunicationValue, add: bool) {
let response = message_handlers::handle_message_reaction(cv, add);
if !response.is_type(CommunicationType::Success) {
let _ = self.send_message(&response).await;
return;
}
let Ok(mutation) = message_handlers::message_mutation(cv) else {
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorInvalidData))
.await;
return;
};
let Some(reaction) = cv.get_data(DataType::Reaction).as_str() else {
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorInvalidData))
.await;
return;
};
let live = Self::mutation_live_message(
CommunicationType::MessageReactionLive,
cv,
&mutation,
vec![
(DataType::Reaction, DataValue::Str(reaction.to_string())),
(
DataType::SenderId,
DataValue::SignedNumber(mutation.sender_id as i128),
),
(DataType::Accepted, DataValue::Bool(add)),
],
);
if iota_storage::users::user_manager::get_user(mutation.partner_id).is_some() {
let result = if add {
chat_files::add_reaction(
mutation.partner_id,
mutation.sender_id,
mutation.send_time,
mutation.sender_id,
reaction,
)
} else {
chat_files::remove_reaction(
mutation.partner_id,
mutation.sender_id,
mutation.send_time,
mutation.sender_id,
reaction,
)
};
if result.is_err() {
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorNotFound))
.await;
return;
}
}
let _ = self.send_message(&response).await;
let _ = self.send_message(&live).await;
}
async fn handle_message_reaction_live(self: Arc<Self>, cv: &CommunicationValue) {
let add = cv.get_data(DataType::Accepted).as_bool().unwrap_or(true);
self.persist_and_deliver_remote_reaction(cv, add).await;
}
async fn handle_message_delete_live(self: Arc<Self>, cv: &CommunicationValue) {
let sender_id = match i64::try_from(cv.get_sender()) {
Ok(sender_id) => sender_id,
Err(_) => return,
};
if iota_storage::users::user_manager::get_user(sender_id).is_none() {
self.persist_and_deliver_remote_delete(cv).await;
return;
}
let response = message_handlers::handle_message_delete(cv);
if !response.is_type(CommunicationType::Success) {
let _ = self.send_message(&response).await;
return;
}
let Ok(mutation) = message_handlers::message_mutation(cv) else {
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorInvalidData))
.await;
return;
};
let live = Self::mutation_live_message(
CommunicationType::MessageDeleteLive,
cv,
&mutation,
Vec::new(),
);
if iota_storage::users::user_manager::get_user(mutation.partner_id).is_some()
&& chat_files::apply_remote_delete(
mutation.partner_id,
mutation.sender_id,
mutation.send_time,
mutation.sender_id,
)
.is_err()
{
let _ = self
.send_message(&error_response(cv, CommunicationType::ErrorNotFound))
.await;
return;
}
let _ = self.send_message(&response).await;
let _ = self.send_message(&live).await;
}
async fn handle_message_send(self: Arc<Self>, cv: &CommunicationValue) {
let sender_id: u64 = cv.get_sender();
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
};
let timestamp_i64 = if let Some(n) = cv.get_data(DataType::SendTime).as_number() {
n as i64
} else if let Some(s) = cv.get_data(DataType::SendTime).as_str() {
s.parse::<i64>().unwrap_or_else(|_| now_millis_i64())
} else {
now_millis_i64()
};
let timestamp_u128 = timestamp_i64 as u128;
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 reply_to = cv.get_data(DataType::ReplyId).as_number().map(|n| n as i64);
let is_local = iota_storage::users::user_manager::get_user(receiver_id).is_some();
if is_local {
chat_files::add_message(
timestamp_u128,
false,
receiver_id as i64,
sender_id as i64,
&content,
height,
reply_to,
);
}
chat_files::add_message(
timestamp_u128,
true,
sender_id as i64,
receiver_id as i64,
&content,
height,
reply_to,
);
let conf_msg = CommunicationValue::new(CommunicationType::MessageSend)
.with_id(cv.get_id())
.with_receiver(sender_id as u64);
let _ = self.send_message(&conf_msg).await;
if !is_local {
self.forward_to_remote_iota(
cv,
sender_id as i64,
receiver_id,
timestamp_i64,
&content,
height,
reply_to,
)
.await;
} else {
match self
.forward_message_live(
cv.get_id(),
receiver_id as u64,
sender_id as i64,
timestamp_i64,
&content,
height,
reply_to,
)
.await
{
Some(ms) => {
let _ = chat_files::change_message_state(
timestamp_i64,
receiver_id,
sender_id as i64,
ms.clone(),
);
let _ = chat_files::change_message_state(
timestamp_i64,
sender_id as i64,
receiver_id,
ms.clone(),
);
if is_read_receipts_enabled().await {
let _ = 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;
}
}
None => {
let _ = chat_files::change_message_state(
timestamp_i64,
receiver_id,
sender_id as i64,
MessageState::Sent,
);
let _ = chat_files::change_message_state(
timestamp_i64,
sender_id as i64,
receiver_id,
MessageState::Sent,
);
let push_msg = CommunicationValue::new(CommunicationType::PushNotification)
.with_receiver(receiver_id as u64)
.add_typed_default(
DataType::SenderId,
DataValue::SignedNumber(sender_id as i128),
);
let _ = self.send_message(&push_msg).await;
let _ = 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;
}
}
}
}
async fn handle_message_other_iota(self: Arc<Self>, cv: &CommunicationValue) {
let sender_id = &cv.get_sender();
let receiver_id = &cv.get_receiver();
let timestamp = if let Some(n) = cv.get_data(DataType::SendTime).as_number() {
n as i64
} else if let Some(s) = cv.get_data(DataType::SendTime).as_str() {
s.parse::<i64>().unwrap_or_else(|_| now_millis_i64())
} else {
now_millis_i64()
};
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 reply_to = cv.get_data(DataType::ReplyId).as_number().map(|n| n as i64);
chat_files::add_message(
timestamp as u128,
false,
*receiver_id as i64,
*sender_id as i64,
&content,
height,
reply_to,
);
match self
.forward_message_live(
cv.get_id(),
*receiver_id,
*sender_id as i64,
timestamp,
&content,
height,
reply_to,
)
.await
{
Some(ms) => {
let _ = change_message_state(
timestamp,
*receiver_id as i64,
*sender_id as i64,
ms.clone(),
);
if is_read_receipts_enabled().await {
let _ = 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;
}
}
None => {
let _ = chat_files::change_message_state(
timestamp,
*receiver_id as i64,
*sender_id as i64,
MessageState::Sent,
);
let push_msg = CommunicationValue::new(CommunicationType::PushNotification)
.with_receiver(*receiver_id)
.add_typed_default(
DataType::SenderId,
DataValue::SignedNumber(*sender_id as i128),
);
let _ = self.send_message(&push_msg).await;
let _ = 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;
}
}
}
async fn handle_messages_get(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_messages_get(cv))
.await;
}
async fn handle_get_chats(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_get_chats(cv))
.await;
}
async fn handle_add_conversation(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_add_conversation(cv))
.await;
}
async fn handle_add_community(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_add_community(cv))
.await;
}
async fn handle_get_communities(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_get_communities(cv))
.await;
}
async fn handle_remove_community(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_remove_community(cv))
.await;
}
async fn handle_global_settings_save(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_global_settings_save(cv))
.await;
}
async fn handle_global_settings_load(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_global_settings_load(cv))
.await;
}
async fn handle_settings_save(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_settings_save(cv, 0))
.await;
}
async fn handle_settings_load(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_settings_load(cv, 0))
.await;
}
async fn handle_settings_list(self: Arc<Self>, cv: &CommunicationValue) {
let _ = self
.send_message(&message_handlers::handle_settings_list(cv, 0))
.await;
}
// -------------------------------------------------------------------------
// Public API
// -------------------------------------------------------------------------
pub async fn send_message(&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().await;
}
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)(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, rx) = oneshot::channel();
let msg_id = cv.get_id();
WAITING_TASKS.insert(
msg_id,
WaitingTask {
task: Box::new(move |response_cv| {
let _ = tx.send(response_cv);
true
}),
inserted_at: Instant::now(),
},
);
if let Err(send_err) = self.send_message(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).await {
Ok(Ok(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()
.or_else(|| response_cv.get_data(DataType::ErrorType).as_str())
.unwrap_or("connection error")
.to_string();
Err(format!(
"Request rejected (msg_id={}, reason={})",
msg_id, reason
))
} else {
Ok(response_cv)
}
}
Ok(Err(_)) => {
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> {
let mut rx = self.state_watch_tx.subscribe();
if rx.borrow().is_connected() {
return Ok(());
}
let timeout = timeout_duration.unwrap_or(CONNECTION_TIMEOUT);
let result: Result<(), String> = tokio::time::timeout(timeout, async {
loop {
rx.changed()
.await
.map_err(|_| "State watch channel closed".to_string())?;
if rx.borrow().is_connected() {
return Ok(());
}
}
})
.await
.map_err(|_| {
format!(
"Connection not established within {} seconds",
timeout.as_secs()
)
})?;
result
}
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;
}
/// Create a new local keyring and register it as a new Iota identity.
/// The existing keyring is retained as a timestamped backup so a failed
/// recovery does not silently destroy the user's previous identity.
pub async fn rotate_identity(self: &Arc<Self>) -> Result<(), OmikronError> {
log!("Iota identity rotation requested");
self.stop().await;
let path = identity_path();
if path.exists() {
let stamp = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap_or_default()
.as_millis();
let backup = path.with_extension(format!("mk.backup-{stamp}"));
std::fs::rename(path, &backup).map_err(|error| {
OmikronError::Internal(format!(
"could not back up identity {}: {error}",
path.display()
))
})?;
log!("Existing Iota identity backed up to {}", backup.display());
}
let keyring = crypto_helper::generate_keyring();
if let Some(parent) = path.parent() {
std::fs::create_dir_all(parent).map_err(|error| {
OmikronError::Internal(format!(
"could not create identity directory {}: {error}",
parent.display()
))
})?;
}
mtp::files::save_keyring_raw(&keyring, path).map_err(|error| {
OmikronError::Internal(format!(
"could not save new identity {}: {error}",
path.display()
))
})?;
modify_config(|config| {
config.iota_id = None;
config.keyring = None;
config.public_key = None;
config.private_key = None;
});
log!("New Iota identity generated; registration started");
self.clear_auth_failure().await;
self.connect().await;
match self.await_connection(Some(CONNECTION_TIMEOUT)).await {
Ok(()) => {
let id = CONFIG.load().iota_id;
log!(
"New Iota identity registered{}",
id.map(|v| format!(" (Iota-ID: {v})")).unwrap_or_default()
);
Ok(())
}
Err(timeout) => {
if let Some(reason) = self.get_auth_failure().await {
log!("Iota identity registration failed: {}", reason);
Err(OmikronError::Authentication(reason))
} else {
log!("Iota identity registration did not complete: {}", timeout);
Err(OmikronError::Timeout(timeout))
}
}
}
}
}
// ============================================================================
// Global Instance
// ============================================================================
pub async fn connect_initial(
cancellation: CancellationToken,
active_tasks: Arc<DashSet<String>>,
app: Arc<std::sync::Mutex<AppState>>,
) -> Result<Arc<OmikronConnection>, crate::client::OmikronStartupError> {
let conn = Arc::new(OmikronConnection::with_cancellation(
cancellation,
active_tasks,
app,
));
conn.connect().await;
match conn.await_connection(Some(CONNECTION_TIMEOUT)).await {
Ok(()) => Ok(conn),
Err(_) if conn.has_auth_failure().await => {
Err(crate::client::OmikronStartupError::Authentication { connection: conn })
}
Err(_) => {
Err(crate::client::OmikronStartupError::InitialConnectionTimeout { connection: conn })
}
}
}
impl iota_connection::connection_handler::ConnectionHandler for OmikronConnection {
async fn send_message(&self, cv: &CommunicationValue) -> Result<(), String> {
OmikronConnection::send_message(self, cv).await
}
async fn await_response(
&self,
cv: &CommunicationValue,
timeout: Option<Duration>,
) -> Result<CommunicationValue, String> {
OmikronConnection::await_response(self, cv, timeout).await
}
async fn is_connected(&self) -> bool {
OmikronConnection::is_connected(self).await
}
async fn is_identified(&self) -> bool {
OmikronConnection::is_identified(self).await
}
async fn stop(&self) {
OmikronConnection::stop(self).await
}
}
#[async_trait::async_trait]
impl OmikronClient for OmikronConnection {
async fn send_message(&self, value: &CommunicationValue) -> Result<(), OmikronError> {
Self::send_message(self, value)
.await
.map_err(OmikronError::Disconnected)
}
async fn await_response(
&self,
value: &CommunicationValue,
timeout: Duration,
) -> Result<CommunicationValue, OmikronError> {
Self::await_response(self, value, Some(timeout))
.await
.map_err(|error| {
if error.contains("timed out") {
OmikronError::Timeout(error)
} else if error.starts_with("Request rejected") {
OmikronError::Internal(error)
} else {
OmikronError::Disconnected(error)
}
})
}
async fn reconnect(&self) -> Result<(), OmikronError> {
let this = Arc::new(Self {
state: self.state.clone(),
state_watch_tx: self.state_watch_tx.clone(),
sender: self.sender.clone(),
connection_loop_handle: self.connection_loop_handle.clone(),
last_ping: self.last_ping.clone(),
heartbeat_handle: self.heartbeat_handle.clone(),
connection_id: self.connection_id,
shutdown_tx: self.shutdown_tx.clone(),
reconnect_on_close: self.reconnect_on_close.clone(),
auth_failure: self.auth_failure.clone(),
app_challenges: self.app_challenges.clone(),
app_sessions: self.app_sessions.clone(),
missed_pongs: self.missed_pongs.clone(),
handler_semaphore: self.handler_semaphore.clone(),
cancellation: self.cancellation.clone(),
active_tasks: self.active_tasks.clone(),
app: self.app.clone(),
});
Self::reconnect(&this).await;
Ok(())
}
async fn rotate_identity(&self) -> Result<(), OmikronError> {
let this = Arc::new(Self {
state: self.state.clone(),
state_watch_tx: self.state_watch_tx.clone(),
sender: self.sender.clone(),
connection_loop_handle: self.connection_loop_handle.clone(),
last_ping: self.last_ping.clone(),
heartbeat_handle: self.heartbeat_handle.clone(),
connection_id: self.connection_id,
shutdown_tx: self.shutdown_tx.clone(),
reconnect_on_close: self.reconnect_on_close.clone(),
auth_failure: self.auth_failure.clone(),
app_challenges: self.app_challenges.clone(),
app_sessions: self.app_sessions.clone(),
missed_pongs: self.missed_pongs.clone(),
handler_semaphore: self.handler_semaphore.clone(),
cancellation: self.cancellation.clone(),
active_tasks: self.active_tasks.clone(),
app: self.app.clone(),
});
Self::rotate_identity(&this).await
}
async fn is_connected(&self) -> bool {
Self::is_connected(self).await
}
}