feat: handle txn ids

This commit is contained in:
Timo 2020-08-25 13:24:38 +02:00
parent 6343eea417
commit 4954df3cc3
No known key found for this signature in database
GPG key ID: 24DA7517711A2BA4
8 changed files with 111 additions and 9 deletions

View file

@ -1,10 +1,13 @@
use super::State;
use crate::{pdu::PduBuilder, ConduitResult, Database, Error, Ruma};
use ruma::api::client::{
error::ErrorKind,
r0::message::{get_message_events, send_message_event},
use crate::{pdu::PduBuilder, utils, ConduitResult, Database, Error, Ruma};
use ruma::{
api::client::{
error::ErrorKind,
r0::message::{get_message_events, send_message_event},
},
EventId,
};
use std::convert::TryInto;
use std::convert::{TryFrom, TryInto};
#[cfg(feature = "conduit_bin")]
use rocket::{get, put};
@ -18,6 +21,29 @@ pub fn send_message_event_route(
body: Ruma<send_message_event::IncomingRequest>,
) -> ConduitResult<send_message_event::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
let device_id = body.device_id.as_ref().expect("user is authenticated");
// Check if this is a new transaction id
if let Some(response) = db
.transaction_ids
.existing_txnid(sender_id, device_id, &body.txn_id)?
{
// The client might have sent a txnid of the /sendToDevice endpoint
// This txnid has no response associated with it
if response.is_empty() {
return Err(Error::BadRequest(
ErrorKind::InvalidParam,
"Tried to use txn id already used for an incompatible endpoint.",
));
}
let event_id = EventId::try_from(
utils::string_from_bytes(&response)
.map_err(|_| Error::bad_database("Invalid txnid bytes in database."))?,
)
.map_err(|_| Error::bad_database("Invalid event id in txnid data."))?;
return Ok(send_message_event::Response { event_id }.into());
}
let mut unsigned = serde_json::Map::new();
unsigned.insert("transaction_id".to_owned(), body.txn_id.clone().into());
@ -29,6 +55,7 @@ pub fn send_message_event_route(
event_type: body.event_type.clone(),
content: serde_json::from_str(
body.json_body
.as_ref()
.ok_or(Error::BadRequest(ErrorKind::BadJson, "Invalid JSON body."))?
.get(),
)
@ -41,6 +68,8 @@ pub fn send_message_event_route(
&db.account_data,
)?;
db.transaction_ids
.add_txnid(sender_id, device_id, &body.txn_id, event_id.as_bytes())?;
Ok(send_message_event::Response { event_id }.into())
}

View file

@ -17,6 +17,16 @@ pub fn send_event_to_device_route(
body: Ruma<send_event_to_device::IncomingRequest>,
) -> ConduitResult<send_event_to_device::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
let device_id = body.device_id.as_ref().expect("user is authenticated");
// Check if this is a new transaction id
if db
.transaction_ids
.existing_txnid(sender_id, device_id, &body.txn_id)?
.is_some()
{
return Ok(send_event_to_device::Response.into());
}
for (target_user_id, map) in &body.messages {
for (target_device_id_maybe, event) in map {
@ -52,5 +62,9 @@ pub fn send_event_to_device_route(
}
}
// Save transaction id with empty data
db.transaction_ids
.add_txnid(sender_id, device_id, &body.txn_id, &[])?;
Ok(send_event_to_device::Response.into())
}

View file

@ -3,6 +3,7 @@ pub mod globals;
pub mod key_backups;
pub mod media;
pub mod rooms;
pub mod transaction_ids;
pub mod uiaa;
pub mod users;
@ -23,6 +24,7 @@ pub struct Database {
pub account_data: account_data::AccountData,
pub media: media::Media,
pub key_backups: key_backups::KeyBackups,
pub transaction_ids: transaction_ids::TransactionIds,
pub _db: sled::Db,
}
@ -90,7 +92,8 @@ impl Database {
edus: rooms::RoomEdus {
readreceiptid_readreceipt: db.open_tree("readreceiptid_readreceipt")?,
roomuserid_privateread: db.open_tree("roomuserid_privateread")?, // "Private" read receipt
roomuserid_lastprivatereadupdate: db.open_tree("roomid_lastprivatereadupdate")?,
roomuserid_lastprivatereadupdate: db
.open_tree("roomid_lastprivatereadupdate")?,
typingid_userid: db.open_tree("typingid_userid")?,
roomid_lasttypingupdate: db.open_tree("roomid_lasttypingupdate")?,
presenceid_presence: db.open_tree("presenceid_presence")?,
@ -124,6 +127,9 @@ impl Database {
backupid_etag: db.open_tree("backupid_etag")?,
backupkeyid_backup: db.open_tree("backupkeyid_backupmetadata")?,
},
transaction_ids: transaction_ids::TransactionIds {
userdevicetxnid_response: db.open_tree("userdevicetxnid_response")?,
},
_db: db,
})
}

View file

@ -621,7 +621,8 @@ impl Rooms {
}
_ => {}
}
self.edus.private_read_set(&room_id, &sender, index, &globals)?;
self.edus
.private_read_set(&room_id, &sender, index, &globals)?;
Ok(pdu.event_id)
}

View file

@ -92,7 +92,13 @@ impl RoomEdus {
}
/// Sets a private read marker at `count`.
pub fn private_read_set(&self, room_id: &RoomId, user_id: &UserId, count: u64, globals: &super::super::globals::Globals) -> Result<()> {
pub fn private_read_set(
&self,
room_id: &RoomId,
user_id: &UserId,
count: u64,
globals: &super::super::globals::Globals,
) -> Result<()> {
let mut key = room_id.to_string().as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(&user_id.to_string().as_bytes());

View file

@ -0,0 +1,43 @@
use crate::Result;
use ruma::{DeviceId, UserId};
use sled::IVec;
pub struct TransactionIds {
pub(super) userdevicetxnid_response: sled::Tree, // Response can be empty (/sendToDevice) or the event id (/send)
}
impl TransactionIds {
pub fn add_txnid(
&self,
user_id: &UserId,
device_id: &DeviceId,
txn_id: &str,
data: &[u8],
) -> Result<()> {
let mut key = user_id.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(device_id.as_bytes());
key.push(0xff);
key.extend_from_slice(txn_id.as_bytes());
self.userdevicetxnid_response.insert(key, data)?;
Ok(())
}
pub fn existing_txnid(
&self,
user_id: &UserId,
device_id: &DeviceId,
txn_id: &str,
) -> Result<Option<IVec>> {
let mut key = user_id.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(device_id.as_bytes());
key.push(0xff);
key.extend_from_slice(txn_id.as_bytes());
// If there's no entry, this is a new transaction
Ok(self.userdevicetxnid_response.get(key)?)
}
}

View file

@ -71,7 +71,9 @@ impl PduEvent {
self.unsigned.insert(
"redacted_because".to_owned(),
serde_json::to_string(reason).expect("PduEvent::to_string always works").into()
serde_json::to_string(reason)
.expect("PduEvent::to_string always works")
.into(),
);
self.content = new_content.into();

View file

@ -38,6 +38,7 @@ Current state appears in timeline in private history with many messages before
Deleted tags appear in an incremental v2 /sync
Deleting a non-existent alias should return a 404
Device messages wake up /sync
Device messages with the same txn_id are deduplicated
Events come down the correct room
GET /device/{deviceId}
GET /device/{deviceId} gives a 404 for unknown devices