public XmppHandlerResult ProcessElement(BindIq element, XmppSession session, XmppHandlerContext context)
{
if (element.Query.TagName.Equals("bind", StringComparison.OrdinalIgnoreCase))
{
if (session.Binded)
{
return(Error(session, ErrorCondition.Conflict, element));
}
session.Bind(!string.IsNullOrEmpty(element.Query.Resource) ? element.Query.Resource : session.Jid.User);
element.From = element.To = null;
element.Query = new Bind(session.Jid);
var result = Component(Send(session, element.ToResult()));
foreach (var s in context.Sessions.GetSessions(session.Jid))
{
if (!session.Equals(s))
{
result.Add(Close(s));
}
}
return(result);
}
else
{
var resource = element.Query.Resource;
return(session.Jid.Resource == resource?Close(session) : Error(session, ErrorCondition.ItemNotFound, element));
}
}
public XmppHandlerResult ProcessElement(RegisterIq element, XmppSession session, XmppHandlerContext context)
{
if (element.Type == IqType.get)
{
element.Query.Instructions = RS.RegisterInstructions;
element.Query.Username = string.Empty;
element.Query.Password = string.Empty;
element.ToResult();
if (session.Jid.HasUser && context.Storages.Users.GetUser(session.Jid.User) != null)
{
element.Query.Username = session.Jid.User;
element.Query.AddChild(new Element("registered"));
}
else
{
element.To = null;
}
element.From = null;
return(Send(session, element));
}
else
{
if (element.Query.RemoveAccount)
{
if (!session.Authenticated || !session.Jid.HasUser)
{
return(Error(session, StreamErrorCondition.NotAuthorized));
}
context.Storages.Users.RemoveUser(session.Jid.User);
var errors = Component();
foreach (var s in context.Sessions.GetSessions(session.Jid.BareJid))
{
if (!session.Equals(s))
{
errors.Add(Error(s, StreamErrorCondition.NotAuthorized));
}
}
element.Query.Remove();
element.ToResult();
element.From = element.To = null;
return(Component(Send(session, element), errors));
}
if (string.IsNullOrEmpty(element.Query.Username))
{
return(Error(session, ErrorCondition.NotAcceptable, element, RS.RegisterEmptyUsername));
}
if (string.IsNullOrEmpty(element.Query.Password))
{
return(Error(session, ErrorCondition.NotAcceptable, element, RS.RegisterEmptyPassword));
}
if (Stringprep.NamePrep(element.Query.Username) != element.Query.Username)
{
return(Error(session, ErrorCondition.NotAcceptable, element, RS.RegisterInvalidCharacter));
}
var user = context.Storages.Users.GetUser(element.Query.Username);
if (user != null && user.Name != session.Jid.User)
{
return(Error(session, ErrorCondition.Conflict, element));
}
context.Storages.Users.SaveUser(new XmppUser(element.Query.Username, element.Query.Password));
element.Query.Remove();
element.ToResult();
if (!session.Authenticated)
{
element.To = null;
}
element.From = null;
return(Send(session, element));
}
}
