public OmemoDeviceListSubscriptionTable(string accountId, string name, OmemoDeviceListSubscriptionState state, DateTime lastUpdateReceived)
{
id = generateId(accountId, name);
this.accountId = accountId;
this.name = name;
this.state = state;
this.lastUpdateReceived = lastUpdateReceived;
}
public OmemoDeviceListSubscriptionTable(string chatJid, string accountId, OmemoDeviceListSubscriptionState state, DateTime lastUpdateReceived)
{
this.id = generateId(chatJid, accountId);
this.chatJid = chatJid;
this.accountId = accountId;
this.state = state;
this.lastUpdateReceived = lastUpdateReceived;
}
//--------------------------------------------------------Misc Methods:---------------------------------------------------------------\\
#region --Misc Methods (Public)--
public void start(OmemoDeviceListSubscriptionState subscriptionState)
{
switch (subscriptionState)
{
case OmemoDeviceListSubscriptionState.SUBSCRIBED:
// Because we are subscribed, the device list should be up to date:
List <uint> devices = OmemoDeviceDBManager.INSTANCE.getDeviceIds(CHAT_JID, BARE_ACCOUNT_JID);
createSessionsForDevices(devices);
break;
default:
requestDeviceList();
break;
}
}
//--------------------------------------------------------Misc Methods:---------------------------------------------------------------\\
#region --Misc Methods (Public)--
public async Task <OmemoSessionBuildResult> buildSessionAsync(OmemoDeviceListSubscriptionState subscriptionState)
{
sessionBuildResult = null;
IList <SignalProtocolAddress> devicesOwn = getOwnOmemoDevices();
IList <SignalProtocolAddress> devicesRemote = null;
if (subscriptionState == OmemoDeviceListSubscriptionState.SUBSCRIBED)
{
// Because we are subscribed, the device list should be up to date:
devicesRemote = OMEMO_HELPER.OMEMO_STORE.LoadDevices(CHAT_JID);
}
if (devicesRemote is null || devicesRemote.Count <= 0)
{
// Request devices and try to subscribe to list:
devicesRemote = await requestDeviceListAsync();
if (devicesRemote is null)
{
return(sessionBuildResult);
}
// Does not have to be successful:
await subscribeToDeviceListAsync();
}
// Build sessions for all devices:
OmemoSession session = new OmemoSession(CHAT_JID);
await buildSessionForDevicesAsync(session.DEVICE_SESSIONS_REMOTE, devicesRemote);
if (session.DEVICE_SESSIONS_REMOTE.Count > 0)
{
await buildSessionForDevicesAsync(session.DEVICE_SESSIONS_OWN, devicesOwn);
sessionBuildResult = new OmemoSessionBuildResult(session);
}
else
{
Logger.Error("Failed to establish OMEMO session with: " + CHAT_JID + ". Target does not support OMEMO - not enough OMEMO sessions!");
sessionBuildResult = new OmemoSessionBuildResult(OmemoSessionBuildError.TARGET_DOES_NOT_SUPPORT_OMEMO);
}
return(sessionBuildResult);
}
//--------------------------------------------------------Misc Methods:---------------------------------------------------------------\\
#region --Misc Methods (Public)--
public async Task <OmemoSessionBuildResult> buildSessionAsync(OmemoDeviceListSubscriptionState subscriptionState)
{
sessionBuildResult = null;
List <Tuple <OmemoProtocolAddress, string> > devicesOwn = getOwnOmemoDevices();
List <Tuple <OmemoProtocolAddress, string> > devicesRemote = null;
if (subscriptionState == OmemoDeviceListSubscriptionState.SUBSCRIBED)
{
// Because we are subscribed, the device list should be up to date:
devicesRemote = OMEMO_HELPER.OMEMO_STORAGE.LoadDevices(DST_BARE_JID);
}
if (devicesRemote is null || devicesRemote.Count <= 0)
{
// Request devices and try to subscribe to list:
devicesRemote = await requestDeviceListAsync(DST_BARE_JID);
if (devicesRemote is null)
{
return(sessionBuildResult);
}
// Does not have to be successful:
await subscribeToDeviceListAsync(DST_BARE_JID);
}
// Build sessions for all devices:
OmemoSessions sessions = new OmemoSessions(new OmemoDeviceGroup(SRC_BARE_JID), new OmemoDeviceGroup(DST_BARE_JID));
await buildSessionForDevicesAsync(sessions.DST_DEVICE_GROUP, devicesRemote);
if (sessions.DST_DEVICE_GROUP.SESSIONS.Count > 0)
{
await buildSessionForDevicesAsync(sessions.SRC_DEVICE_GROUP, devicesOwn);
sessionBuildResult = new OmemoSessionBuildResult(sessions);
}
else
{
Logger.Error("Failed to establish OMEMO session with: " + SRC_BARE_JID + ". Target does not support OMEMO - not enough OMEMO sessions!");
sessionBuildResult = new OmemoSessionBuildResult(OmemoSessionBuildError.TARGET_DOES_NOT_SUPPORT_OMEMO);
}
return(sessionBuildResult);
}
