crytpo: Add a wrapper for outbound megolm sessions.

This commit is contained in:
Damir Jelić 2020-04-08 15:05:57 +02:00
parent 834d8d7d37
commit 816295cd48

View file

@ -13,17 +13,22 @@
// limitations under the License.
use std::fmt;
use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use std::sync::Arc;
use std::time::Instant;
use tokio::sync::Mutex;
use olm_rs::account::{IdentityKeys, OlmAccount, OneTimeKeys};
use olm_rs::errors::{OlmAccountError, OlmGroupSessionError, OlmSessionError};
use olm_rs::inbound_group_session::OlmInboundGroupSession;
use olm_rs::outbound_group_session::OlmOutboundGroupSession;
use olm_rs::session::{OlmMessage, OlmSession, PreKeyMessage};
use olm_rs::PicklingMode;
use ruma_client_api::r0::keys::SignedKey;
use crate::identifiers::{RoomId, UserId};
use crate::identifiers::RoomId;
pub struct Account {
inner: OlmAccount,
@ -207,7 +212,6 @@ impl PartialEq for Session {
}
}
#[derive(Debug)]
pub struct InboundGroupSession {
inner: OlmInboundGroupSession,
pub(crate) sender_key: String,
@ -266,6 +270,78 @@ impl InboundGroupSession {
}
}
impl fmt::Debug for InboundGroupSession {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("InbounDGroupSession")
.field("session_id", &self.session_id())
.finish()
}
}
#[derive(Clone)]
pub struct OutboundGroupSession {
inner: Arc<Mutex<OlmOutboundGroupSession>>,
session_id: Arc<String>,
room_id: Arc<RoomId>,
creation_time: Arc<Instant>,
message_count: Arc<AtomicUsize>,
shared: Arc<AtomicBool>,
}
impl OutboundGroupSession {
pub fn new(room_id: &RoomId) -> Self {
let session = OlmOutboundGroupSession::new();
let session_id = session.session_id();
OutboundGroupSession {
inner: Arc::new(Mutex::new(session)),
room_id: Arc::new(room_id.to_owned()),
session_id: Arc::new(session_id),
creation_time: Arc::new(Instant::now()),
message_count: Arc::new(AtomicUsize::new(0)),
shared: Arc::new(AtomicBool::new(false)),
}
}
pub async fn encrypt(&self, plaintext: String) -> String {
let session = self.inner.lock().await;
session.encrypt(plaintext)
}
pub fn expired(&self) -> bool {
// TODO implement this.
false
}
pub fn mark_as_shared(&self) {
self.shared.store(true, Ordering::Relaxed);
}
pub async fn session_key(&self) -> String {
let session = self.inner.lock().await;
session.session_key()
}
pub fn session_id(&self) -> &str {
&self.session_id
}
pub async fn message_index(&self) -> u32 {
let session = self.inner.lock().await;
session.session_message_index()
}
}
impl std::fmt::Debug for OutboundGroupSession {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("OutboundGroupSession")
.field("session_id", &self.session_id)
.field("room_id", &self.room_id)
.field("creation_time", &self.creation_time)
.field("message_count", &self.message_count)
.finish()
}
}
#[cfg(test)]
mod test {
use crate::crypto::olm::Account;