iota/client/src/client_connection.rs

996 lines
40 KiB
Rust

use dashmap::DashMap;
use iota_logger::{log_cv_in, log_cv_out, log_t};
use iota_state::SHUTDOWN;
use iota_storage::users::contact::Contact;
use iota_storage::util::chat_files::{MessageState, change_message_state};
use iota_storage::util::chats_util::{get_user, mod_user};
use iota_storage::util::communities_util::CommunitiesUtil;
use iota_storage::util::config_util::CONFIG;
use iota_storage::util::{chat_files, chats_util};
use iota_util::crypto_helper;
use iota_util::crypto_util::{DataFormat, SecurePayload};
use iota_util::file_util::{get_children, load_file, save_file};
use std::sync::Arc;
use std::time::{Duration, SystemTime, UNIX_EPOCH};
use tokio::sync::{Mutex, RwLock, mpsc, watch};
use tokio::task::JoinHandle;
use ttp_core::{CommunicationType, CommunicationValue, DataTypes, DataValue};
use ttp_native::{Receiver, Sender};
use uuid::Uuid;
// ============================================================================
// Waiting Task System
// ============================================================================
#[allow(dead_code)]
pub struct ClientConnection {
sender: Arc<RwLock<Option<Arc<Sender>>>>,
receiver: Receiver,
connection_loop_handle: Arc<Mutex<Option<JoinHandle<()>>>>,
pub ping: Arc<RwLock<i64>>,
pub connection_id: Uuid,
shutdown_tx: Arc<Mutex<Option<watch::Sender<bool>>>>,
pub waiting_tasks:
DashMap<u32, Box<dyn Fn(Arc<ClientConnection>, CommunicationValue) -> bool + Send + Sync>>,
}
impl ClientConnection {
pub fn new(
sender: Arc<RwLock<Option<Arc<Sender>>>>,
receiver: Receiver,
connection_loop_handle: Arc<Mutex<Option<JoinHandle<()>>>>,
ping: Arc<RwLock<i64>>,
connection_id: Uuid,
shutdown_tx: Arc<Mutex<Option<watch::Sender<bool>>>>,
waiting_tasks: DashMap<
u32,
Box<dyn Fn(Arc<ClientConnection>, CommunicationValue) -> bool + Send + Sync>,
>,
) -> Self {
Self {
sender,
receiver,
connection_loop_handle,
ping,
connection_id,
shutdown_tx,
waiting_tasks,
}
}
pub fn start(self: Arc<Self>) {
let self_clone = self.clone();
tokio::spawn(async move {
while let Ok(cv) = self_clone.receiver.receive().await {
if *SHUTDOWN.read().await {
return;
}
self.clone().handle_message(cv).await;
if !self_clone.receiver.is_open() {
break;
}
}
// Handle Close
});
}
pub async fn stop(&self) {
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(sender) = self.sender.read().await.as_ref() {
sender.close();
}
*self.sender.write().await = None;
}
// -------------------------------------------------------------------------
// Message Handling
// -------------------------------------------------------------------------
async fn handle_ping(self: Arc<Self>, cv: CommunicationValue) {
// Update our ping if provided
if let DataValue::Number(last_ping) = cv.get_data(DataTypes::last_ping) {
let current = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap()
.as_millis();
let mut ping_guard = self.ping.write().await;
*ping_guard = current as i64 - last_ping;
}
// Send pong response
let response = CommunicationValue::new(CommunicationType::pong)
.with_id(cv.get_id())
.add_data(DataTypes::ping_iota, DataValue::Number(0));
self.send_message(&response).await;
}
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 cv.is_type(CommunicationType::ping) {
self.handle_ping(cv).await;
return;
}
if cv.is_type(CommunicationType::challenge) {
self.handle_challenge(&cv).await;
return;
}
if cv.is_type(CommunicationType::save_app_data) {
let sender_id = cv.get_sender();
let _app_data = cv
.get_data(DataTypes::app_data)
.as_str()
.unwrap_or("")
.to_string();
let res = CommunicationValue::new(CommunicationType::save_app_data)
.with_id(cv.get_id())
.with_receiver(sender_id);
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::load_app_data) {
let sender_id = cv.get_sender();
let app_data = String::new();
let res = CommunicationValue::new(CommunicationType::load_app_data)
.with_id(cv.get_id())
.with_receiver(sender_id)
.add_data(DataTypes::app_data, DataValue::Str(app_data));
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::create_app) {
let sender_id = cv.get_sender() as i64;
let app_identifier = cv
.get_data(DataTypes::app_identifier)
.as_str()
.unwrap_or("")
.to_string();
let app_public_key = cv
.get_data(DataTypes::app_public_key)
.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::create_app)
.with_id(cv.get_id())
.with_receiver(sender_id as u64);
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::delete_app) {
let sender_id = cv.get_sender() as i64;
let app_identifier = cv
.get_data(DataTypes::app_identifier)
.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::delete_app)
.with_id(cv.get_id())
.with_receiver(sender_id as u64);
self.send_message(&res).await;
return;
}
if cv.is_type(CommunicationType::client_connected) {
let user_id = cv.get_data(DataTypes::user_id).as_number().unwrap_or(0) as i64;
let _session_id = cv.get_data(DataTypes::session_id).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((DataTypes::user_id, DataValue::Number(contact.user_id)));
contact_container.push((
DataTypes::last_message_at,
DataValue::Number(contact.last_message_at.unwrap_or(0)),
));
if let Some(ref name) = contact.user_name {
contact_container.push((DataTypes::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((DataTypes::send_time, DataValue::Number(message_time)));
msg_container.push((DataTypes::content, DataValue::Str(content.clone())));
msg_container.push((DataTypes::message_state, DataValue::Str(message_state)));
msg_container.push((DataTypes::height, DataValue::Number(height)));
msg_container.push((DataTypes::sent_by_self, DataValue::Bool(sent_by_self)));
msg_array.push(DataValue::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((DataTypes::content, DataValue::Str(content)));
last_msg.push((DataTypes::sender_id, DataValue::Number(sender_id)));
contact_container
.push((DataTypes::last_message, DataValue::Container(last_msg)));
}
}
contact_container.push((DataTypes::messages, DataValue::Array(msg_array)));
contacts_array.push(DataValue::Container(contact_container));
}
let resp = CommunicationValue::new(CommunicationType::client_connected)
.with_id(cv.get_id())
.add_data(DataTypes::contacts, DataValue::Array(contacts_array));
self.send_message(&resp).await;
return;
}
// ************************************************ //
// Direct messages //
// ************************************************ //
if cv.is_type(CommunicationType::message_state) {
let sender_id = &cv.get_sender();
let receiver_id = match cv.get_data(DataTypes::chat_partner_id).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(DataTypes::send_time);
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(DataTypes::message_state).as_str().unwrap_or(""),
),
);
}
// Incoming storsed message: store for the recipient, attempt local delivery, notify sender.
if cv.is_type(CommunicationType::message_send) {
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(DataTypes::receiver_id).as_number()
{
n as i64
} else if let Some(s) = cv.get_data(DataTypes::receiver_id).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(DataTypes::send_time);
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(DataTypes::content)
.as_str()
.unwrap_or("")
.to_string();
let height = cv.get_data(DataTypes::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::message_send)
.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::message_other_iota)
.with_id(cv.get_id())
.with_receiver(receiver_id as u64)
.with_sender(sender_id as u64)
.add_data(DataTypes::height, DataValue::Number(height))
.add_data(DataTypes::content, DataValue::Str(content))
.add_data(DataTypes::send_time, DataValue::Number(timestamp_i64));
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(DataTypes::message_state)
.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::message_state)
.with_id(cv.get_id())
.with_receiver(sender_id as u64)
.with_sender(receiver_id as u64)
.add_data(
DataTypes::chat_partner_id,
DataValue::Number(receiver_id as i64),
)
.add_data(DataTypes::send_time, DataValue::Number(timestamp_i64))
.add_data(
DataTypes::message_state,
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::message_state)
.with_id(cv.get_id())
.with_receiver(sender_id as u64)
.with_sender(receiver_id as u64)
.add_data(
DataTypes::chat_partner_id,
DataValue::Number(receiver_id as i64),
)
.add_data(DataTypes::send_time, DataValue::Number(timestamp_i64))
.add_data(
DataTypes::message_state,
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::message_live)
.with_id(cv.get_id())
.with_receiver(receiver_id as u64)
.add_data(DataTypes::sender_id, DataValue::Number(sender_id as i64))
.add_data(
DataTypes::message,
DataValue::Container(vec![
(DataTypes::content, DataValue::Str(content.clone())),
(DataTypes::send_time, DataValue::Number(timestamp_i64)),
(DataTypes::height, DataValue::Number(height)),
]),
);
// Attempt delivery and await a response from the local client
let user_resp = self
.clone()
.await_response(&user_forward, Some(Duration::from_secs(10)))
.await;
if let Ok(user_resp) = user_resp {
let ms_raw = user_resp
.get_data(DataTypes::message_state)
.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
self.send_message(
&CommunicationValue::new(CommunicationType::message_state)
.with_id(cv.get_id())
.with_receiver(sender_id as u64)
.with_sender(receiver_id as u64)
.add_data(
DataTypes::chat_partner_id,
DataValue::Number(receiver_id as i64),
)
.add_data(DataTypes::send_time, DataValue::Number(timestamp_i64))
.add_data(
DataTypes::message_state,
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,
);
// notify sender
self.send_message(
&CommunicationValue::new(CommunicationType::message_state)
.with_id(cv.get_id())
.with_receiver(sender_id as u64)
.with_sender(receiver_id as u64)
.add_data(DataTypes::send_time, DataValue::Number(timestamp_i64))
.add_data(
DataTypes::chat_partner_id,
DataValue::Number(receiver_id as i64),
)
.add_data(
DataTypes::message_state,
DataValue::Str(MessageState::Sent.as_str().to_string()),
),
)
.await;
}
return;
}
}
if cv.is_type(CommunicationType::message_other_iota) {
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(DataTypes::send_time);
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(DataTypes::content)
.as_str()
.unwrap_or("")
.to_string();
let height = cv.get_data(DataTypes::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::message_live)
.with_id(cv.get_id())
.with_receiver(*receiver_id)
.add_data(DataTypes::sender_id, DataValue::Number(*sender_id as i64))
.add_data(
DataTypes::message,
DataValue::Container(vec![
(DataTypes::content, DataValue::Str(content.clone())),
(DataTypes::send_time, DataValue::Number(timestamp)),
(DataTypes::height, DataValue::Number(height)),
]),
);
let user_resp = self
.clone()
.await_response(&user_forward, Some(Duration::from_secs(10)))
.await;
if let Ok(user_resp) = user_resp {
let ms_raw = user_resp
.get_data(DataTypes::message_state)
.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(),
);
self.send_message(
&CommunicationValue::new(CommunicationType::message_state)
.with_id(cv.get_id())
.with_receiver(*sender_id)
.with_sender(*receiver_id)
.add_data(DataTypes::send_time, DataValue::Number(timestamp))
.add_data(
DataTypes::chat_partner_id,
DataValue::Number(*sender_id as i64),
)
.add_data(
DataTypes::message_state,
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,
);
self.send_message(
&CommunicationValue::new(CommunicationType::message_state)
.with_id(cv.get_id())
.with_receiver(*sender_id)
.with_sender(*receiver_id)
.add_data(DataTypes::send_time, DataValue::Number(timestamp))
.add_data(
DataTypes::chat_partner_id,
DataValue::Number(*receiver_id as i64),
)
.add_data(
DataTypes::message_state,
DataValue::Str(MessageState::Sent.as_str().to_string()),
),
)
.await;
}
return;
}
if cv.is_type(CommunicationType::messages_get) {
let my_id = cv.get_sender();
let partner_id = cv.get_data(DataTypes::user_id).as_number().unwrap_or(0);
let offset = cv.get_data(DataTypes::offset).as_number().unwrap_or(0);
let amount = cv.get_data(DataTypes::amount).as_number().unwrap_or(0);
let messages = chat_files::get_messages(my_id as i64, partner_id, offset, amount);
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(DataTypes::chat_partner_id).as_number() {
n as i64
} else if let Some(s) = cv.get_data(DataTypes::chat_partner_id).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((DataTypes::send_time, DataValue::Number(message_time)));
container.push((DataTypes::content, DataValue::Str(content)));
container.push((DataTypes::sender_id, DataValue::Number(sender_id)));
container.push((DataTypes::message_state, DataValue::Str(message_state)));
container.push((DataTypes::height, DataValue::Number(height)));
container.push((DataTypes::sent_by_self, DataValue::Bool(sent_by_self)));
msg_array.push(DataValue::Container(container));
}
let resp = CommunicationValue::new(CommunicationType::messages_get)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_data(DataTypes::messages, DataValue::Array(msg_array));
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::get_chats) {
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((DataTypes::user_id, DataValue::Number(user.user_id)));
if let Some(name) = user.user_name {
container.push((DataTypes::username, DataValue::Str(name)));
}
if let Some(ts) = user.last_message_at {
container.push((DataTypes::last_message_at, DataValue::Number(ts)));
}
user_array.push(DataValue::Container(container));
}
let resp = CommunicationValue::new(CommunicationType::get_chats)
.with_id(cv.get_id())
.with_receiver(user_id)
.add_data(DataTypes::user_ids, DataValue::Array(user_array));
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::add_conversation) {
let user_id = cv.get_sender();
let other_id = match cv.get_data(DataTypes::chat_partner_id).as_number() {
Some(n) => n as i64,
None => cv
.get_data(DataTypes::chat_partner_id)
.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(DataTypes::chat_partner_name).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::add_conversation)
.with_id(cv.get_id())
.with_receiver(user_id);
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::add_community) {
CommunitiesUtil::add_community(
cv.get_sender() as i64,
cv.get_data(DataTypes::community_address)
.as_str()
.unwrap()
.to_string(),
cv.get_data(DataTypes::community_title)
.as_str()
.unwrap()
.to_string(),
cv.get_data(DataTypes::position)
.as_str()
.unwrap()
.to_string(),
);
let resp = CommunicationValue::new(CommunicationType::add_community)
.with_id(cv.get_id())
.with_receiver(cv.get_sender());
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::get_communities) {
let mut comm_array = Vec::new();
for c in CommunitiesUtil::get_communities(cv.get_sender() as i64) {
let mut container: Vec<(DataTypes, DataValue)> = Vec::new();
if let Some(address) = c["address"].as_str() {
container.push((
DataTypes::community_address,
DataValue::Str(address.to_string()),
));
}
if let Some(title) = c["title"].as_str() {
container.push((
DataTypes::community_title,
DataValue::Str(title.to_string()),
));
}
if let Some(position) = c["position"].as_str() {
container.push((DataTypes::position, DataValue::Str(position.to_string())));
}
comm_array.push(DataValue::Container(container));
}
let resp = CommunicationValue::new(CommunicationType::get_communities)
.with_id(cv.get_id())
.with_receiver(cv.get_sender())
.add_data(DataTypes::communities, DataValue::Array(comm_array));
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::remove_community) {
CommunitiesUtil::remove_community(
cv.get_sender() as i64,
cv.get_data(DataTypes::community_address)
.as_str()
.unwrap()
.to_string(),
);
let resp = CommunicationValue::new(CommunicationType::remove_community)
.with_id(cv.get_id())
.with_receiver(cv.get_sender());
self.send_message(&resp).await;
return;
}
if cv.is_type(CommunicationType::settings_save) {
let my_id = cv.get_sender();
let settings_name = cv.get_data(DataTypes::settings_name).as_str().unwrap();
let settings_value = cv.get_data(DataTypes::payload).as_str().unwrap();
save_file(
&format!("users/{}/settings/", my_id),
&format!("{}.settings", settings_name),
&settings_value,
);
let response = CommunicationValue::new(CommunicationType::settings_save)
.with_receiver(my_id)
.with_id(cv.get_id());
self.send_message(&response).await;
return;
}
if cv.is_type(CommunicationType::settings_load) {
let my_id = cv.get_sender();
let settings_name = cv.get_data(DataTypes::settings_name).as_string().unwrap();
let settings_value_str = load_file(
&format!("users/{}/settings/", my_id),
&format!("{}.settings", settings_name),
);
let response = CommunicationValue::new(CommunicationType::settings_load)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_data(DataTypes::payload, DataValue::Str(settings_value_str))
.add_data(DataTypes::settings_name, DataValue::Str(settings_name));
self.send_message(&response).await;
return;
}
if cv.is_type(CommunicationType::settings_list) {
let my_id = cv.get_sender();
let settings = get_children(&format!("users/{}/settings/", my_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::settings_list)
.with_id(cv.get_id())
.with_receiver(my_id)
.add_data(DataTypes::settings, DataValue::Array(settings_json));
self.send_message(&response).await;
return;
}
}
async fn handle_challenge(&self, cv: &CommunicationValue) {
let conf = CONFIG.read().await;
let private_key = conf.get_private_key().unwrap();
drop(conf);
let omikron_public_key = cv.get_data(DataTypes::public_key).as_str().unwrap();
let encrypted_challenge = cv.get_data(DataTypes::challenge).as_str().unwrap();
let solved_challenge = {
if let Ok(decrypted) = SecurePayload::new(
encrypted_challenge,
DataFormat::Base64,
crypto_helper::load_secret_key(&private_key).unwrap(),
) {
if let Ok(decrypted) = decrypted
.decrypt_x448(crypto_helper::load_public_key(omikron_public_key).unwrap())
{
Some(decrypted)
} else {
None
}
} else {
None
}
};
if let Some(decrypted) = solved_challenge {
let solved = decrypted.export(DataFormat::Raw);
let response = CommunicationValue::new(CommunicationType::challenge_response)
.with_id(cv.get_id())
.add_data(DataTypes::challenge, DataValue::Str(solved));
self.send_message(&response).await;
}
}
// -------------------------------------------------------------------------
// 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();
}
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 {
return Err(e.to_string());
}
Ok(())
} else {
Err("not connected".to_string())
}
}
pub async fn await_response(
self: Arc<ClientConnection>,
cv: &CommunicationValue,
timeout_duration: Option<Duration>,
) -> Result<CommunicationValue, String> {
let (tx, mut rx) = mpsc::channel(1);
let msg_id = cv.get_id();
let task_tx = tx.clone();
self.waiting_tasks.insert(
msg_id,
Box::new(move |_, response_cv| {
let inner_tx = task_tx.clone();
tokio::spawn(async move {
let _ = inner_tx.send(response_cv).await;
});
true
}),
);
self.send_message(cv).await;
let timeout = timeout_duration.unwrap_or(Duration::from_secs(10));
match tokio::time::timeout(timeout, rx.recv()).await {
Ok(Some(response_cv)) => Ok(response_cv),
Ok(_) => Err("Failed to receive response, channel was closed.".to_string()),
Err(_) => {
self.waiting_tasks.remove(&msg_id);
Err(format!(
"Request timed out after {} seconds.",
timeout.as_secs()
))
}
}
}
}