void DoLogOut()
{
protocol.StopProcessing();
foreach (var friend in friends.Values)
{
friend.Dispose();
}
foreach (var group in groups.Values)
{
group.Dispose();
}
friends.Clear();
groups.Clear();
userCache.Clear();
me = null;
loggedIn = false;
}
void HandleDetailUsers(JObject message)
{
List<User> addedUsers = new List<User>();
List<User> changedUsers = new List<User>();
foreach (var rawUser in message["users"])
{
// Convert the JSON object into a User
var description = rawUser.ToObject<UserDescription>();
var username = description.Name;
// Set the change type based on whether or not we've seen the user before
User user;
if (userCache.TryGetValue(username, out user))
{
user.Update(description);
changedUsers.Add(user);
}
else
{
user = new User(this, description);
userCache[username] = user;
addedUsers.Add(user);
}
// Add or remove the user from our friends list
if (user.Relation == UserRelation.Friend)
friends[username] = user;
else if (friends.ContainsKey(username))
friends.Remove(username);
}
if (UserDetailsChange != null)
UserDetailsChange(this, new UserDetailsEventArgs(addedUsers, changedUsers));
}
public void LogIn(string username, string password, EventHandler<LoginReplyEventArgs> callback)
{
VerifyConnected();
Contract.Requires(protocol != null);
Contract.Requires(username != null);
Contract.Requires(password != null);
string hashedPassword;
using (var algorithm = SHA256.Create())
{
algorithm.ComputeHash(Encoding.UTF8.GetBytes(password));
var sb = new StringBuilder(32);
foreach (byte b in algorithm.Hash)
sb.Append(b.ToString("x2"));
hashedPassword = sb.ToString();
}
var message = protocol.CreateMessage("login");
message["username"] = username;
message["password"] = hashedPassword;
message["initial_status"] = UserStatus.Available.ToString();
protocol.SendMessage(message, (messageName, result, reply) =>
{
loggedIn = true;
LoginReplyEventArgs args;
switch (result)
{
case Network.ReplyResult.Success:
var resultCode = Convert.ToInt32(reply["result"]);
var resultMessage = Convert.ToString(reply["result_message"]);
if (protocol.CheckObjectFields("login", reply, "me"))
{
me = new User(this, reply["me"].ToObject<UserDescription>());
userCache[me.Name] = me;
loggedIn = true;
args = new LoginReplyEventArgs(resultCode, resultMessage, Me);
}
else
args = new LoginReplyEventArgs(resultCode, resultMessage, null);
break;
case Network.ReplyResult.Fail:
args = new LoginReplyEventArgs((int) ResultCode.NotSent, MessageNotSentString, null);
break;
case Network.ReplyResult.Expired:
args = new LoginReplyEventArgs((int) ResultCode.NoReply, NoReplyString, null);
break;
default:
throw new Exception("This should not happen");
}
if (callback != null)
callback(this, args);
// Need to detail the logged-in user
if (result == Network.ReplyResult.Success)
UserDetailsChange.SafeInvoke(this, new UserDetailsEventArgs(new IUser[] { Me }, Enumerable.Empty<IUser>()));
});
log.InfoFormat("Trying to log in as {0}", username);
}