continuwuity/src/api/client/to_device.rs
Jason Volk 99fe88c21e use smallvec for the edu sending event buffer
Signed-off-by: Jason Volk <jason@zemos.net>
2025-01-29 01:18:08 +00:00

111 lines
2.8 KiB
Rust

use std::collections::BTreeMap;
use axum::extract::State;
use conduwuit::{Error, Result};
use futures::StreamExt;
use ruma::{
api::{
client::{error::ErrorKind, to_device::send_event_to_device},
federation::{self, transactions::edu::DirectDeviceContent},
},
to_device::DeviceIdOrAllDevices,
};
use service::sending::EduBuf;
use crate::Ruma;
/// # `PUT /_matrix/client/r0/sendToDevice/{eventType}/{txnId}`
///
/// Send a to-device event to a set of client devices.
pub(crate) async fn send_event_to_device_route(
State(services): State<crate::State>,
body: Ruma<send_event_to_device::v3::Request>,
) -> Result<send_event_to_device::v3::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
let sender_device = body.sender_device.as_deref();
// Check if this is a new transaction id
if services
.transaction_ids
.existing_txnid(sender_user, sender_device, &body.txn_id)
.await
.is_ok()
{
return Ok(send_event_to_device::v3::Response {});
}
for (target_user_id, map) in &body.messages {
for (target_device_id_maybe, event) in map {
if !services.globals.user_is_local(target_user_id) {
let mut map = BTreeMap::new();
map.insert(target_device_id_maybe.clone(), event.clone());
let mut messages = BTreeMap::new();
messages.insert(target_user_id.clone(), map);
let count = services.globals.next_count()?;
let mut buf = EduBuf::new();
serde_json::to_writer(
&mut buf,
&federation::transactions::edu::Edu::DirectToDevice(DirectDeviceContent {
sender: sender_user.clone(),
ev_type: body.event_type.clone(),
message_id: count.to_string().into(),
messages,
}),
)
.expect("DirectToDevice EDU can be serialized");
services
.sending
.send_edu_server(target_user_id.server_name(), buf)?;
continue;
}
let event_type = &body.event_type.to_string();
let event = event
.deserialize_as()
.map_err(|_| Error::BadRequest(ErrorKind::InvalidParam, "Event is invalid"))?;
match target_device_id_maybe {
| DeviceIdOrAllDevices::DeviceId(target_device_id) => {
services
.users
.add_to_device_event(
sender_user,
target_user_id,
target_device_id,
event_type,
event,
)
.await;
},
| DeviceIdOrAllDevices::AllDevices => {
let (event_type, event) = (&event_type, &event);
services
.users
.all_device_ids(target_user_id)
.for_each(|target_device_id| {
services.users.add_to_device_event(
sender_user,
target_user_id,
target_device_id,
event_type,
event.clone(),
)
})
.await;
},
}
}
}
// Save transaction id with empty data
services
.transaction_ids
.add_txnid(sender_user, sender_device, &body.txn_id, &[]);
Ok(send_event_to_device::v3::Response {})
}