public async Task CloseSessionAsync(int userId, string sessionId, bool banDevice = false)
{
Session session = await context.Sessions.FirstOrDefaultAsync(s => s.SessionId == sessionId && s.UserId == userId);
if (session != null)
{
var sessions = await cache.GetListAsync <SignalRSession>(userId.ToString());
SignalRSession signalRSession = sessions.LastOrDefault(s => s.SessionId == session.SessionId);
if (signalRSession != null)
{
await cache.RemoveFromListAsync <SignalRSession>(userId.ToString(), signalRSession);
await messHub.Clients.Client(signalRSession.ConnectionId).SendAsync("OnSessionClosed");
}
await cache.SetStringAsync("sc:" + session.SessionId, "sessionIsClosed", new DistributedCacheEntryOptions()
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(jwtOptions.Value.ExpiryMinutes)
});
if (banDevice)
{
context.BannedDevices.Add(new BannedDevice()
{
UserId = userId, Fingerprint = session.FingerPrint
});
}
context.Sessions.Remove(session);
await context.SaveChangesAsync();
}
}
public async Task Authorize(string token, string signalRFingerprint)
{
if (!IsAuthorized())
{
var result = authServ.ValidateToken(token, true);
if (result.IsSuccessful)
{
ClaimsIdentity identity = new ClaimsIdentity(result.Principial.Identity);
string fingerprint = identity.FindFirst("Fingerprint").Value;
if (fingerprint == signalRFingerprint)
{
string userId = identity.FindFirst("UserId").Value;
string sessionId = identity.FindFirst("SessionId").Value;
string ip = Context.GetHttpContext().Connection.RemoteIpAddress.ToString();
Context.Items.Add("Auth", true);
Context.Items.Add("UserId", userId);
Context.Items.Add("Fingerprint", fingerprint);
Context.Items.Add("Ip", ip);
Context.Items.Add("SessionId", sessionId);
// await Groups.AddToGroupAsync(Context.ConnectionId, userId);
SignalRSession session = new SignalRSession()
{
UserId = Int32.Parse(userId),
SessionId = sessionId,
Fingerprint = fingerprint,
Ip = ip,
ConnectionId = Context.ConnectionId,
StartedAt = DateTime.Now
};
await cache.AddToListAsync(userId, session);
}
else
{
logger.LogWarning("Hub auth fail. Fingerprints are not same. Token: " + token);
await Clients.Caller.SendAsync("OnHubAuthFalied", "Token doesn't belong this device.");
}
}
else
{
logger.LogWarning("Hub auth fail. Token: " + token);
await Clients.Caller.SendAsync("OnHubAuthFalied", "Invalid token.");
}
}
}
