public string GetUserServerURL(UUID userID, string serverType)
        {
            UserData userdata;
            lock (m_UserCache)
                m_UserCache.TryGetValue(userID, out userdata);

            if (userdata != null)
            {
//                m_log.DebugFormat("[USER MANAGEMENT MODULE]: Requested url type {0} for {1}", serverType, userID);

                if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
                {
                    return userdata.ServerURLs[serverType].ToString();
                }

                if (!string.IsNullOrEmpty(userdata.HomeURL))
                {
                    //m_log.DebugFormat(
                    //    "[USER MANAGEMENT MODULE]: Did not find url type {0} so requesting urls from '{1}' for {2}",
                    //    serverType, userdata.HomeURL, userID);

                    UserAgentServiceConnector uConn = new UserAgentServiceConnector(userdata.HomeURL);
                    try
                    {
                        userdata.ServerURLs = uConn.GetServerURLs(userID);
                    }
                    catch (Exception e)
                    {
                        m_log.Debug("[USER MANAGEMENT MODULE]: GetServerURLs call failed ", e);
                        userdata.ServerURLs = new Dictionary<string, object>();
                    }
                    
                    if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
                        return userdata.ServerURLs[serverType].ToString();
                }
            }

            return string.Empty;
        }
        private void ProcessFriendshipOffered(UUID fromID, String fromName, UUID toID, String message)
        {
            // Great, it's a genuine request. Let's proceed.
            // But now we need to confirm that the requester is who he says he is
            // before we act on the friendship request.

            if (!fromName.Contains("@"))
                return;

            string[] parts = fromName.Split(new char[] {'@'});
            if (parts.Length != 2)
                return;

            string uriStr = "http://" + parts[1];
            try
            {
                new Uri(uriStr);
            }
            catch (UriFormatException)
            {
                return;
            }

            UserAgentServiceConnector uasConn = new UserAgentServiceConnector(uriStr);
            Dictionary<string, object> servers = uasConn.GetServerURLs(fromID);
            if (!servers.ContainsKey("FriendsServerURI"))
                return;

            HGFriendsServicesConnector friendsConn = new HGFriendsServicesConnector(servers["FriendsServerURI"].ToString());
            if (!friendsConn.ValidateFriendshipOffered(fromID, toID))
            {
                m_log.WarnFormat("[HGFRIENDS SERVICE]: Friendship request from {0} to {1} is invalid. Impersonations?", fromID, toID);
                return;
            }

            string fromUUI = Util.UniversalIdentifier(fromID, parts[0], "@" + parts[1], uriStr);
            // OK, we're good!
            ForwardToSim("FriendshipOffered", fromID, fromName, fromUUI, toID, message);
        }
        public string GetUserServerURL(UUID userID, string serverType)
        {
            UserData userdata;
            lock (m_UserCache)
                m_UserCache.TryGetValue(userID, out userdata);

            if (userdata != null)
            {
				//                m_log.DebugFormat("[UserManagementModule]: Requested url type {0} for {1}", serverType, userID);

                if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
                {
                    return userdata.ServerURLs[serverType].ToString();
                }

                if (userdata.HomeURL != null && userdata.HomeURL != string.Empty)
                {
                    //m_log.DebugFormat(
					//    "[UserManagementModule]: Did not find url type {0} so requesting urls from '{1}' for {2}",
                    //    serverType, userdata.HomeURL, userID);

                    UserAgentServiceConnector uConn = new UserAgentServiceConnector(userdata.HomeURL);
                    userdata.ServerURLs = uConn.GetServerURLs(userID);
                    if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
                        return userdata.ServerURLs[serverType].ToString();
                }
            }

            return string.Empty;
        }
        public string GetUserServerURL(UUID userID, string serverType)
        {
            UserData userdata;
            if(!GetUser(userID, out userdata))
            {
                return string.Empty;
            }

            if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
            {
                return userdata.ServerURLs[serverType].ToString();
            }

            if (!string.IsNullOrEmpty(userdata.HomeURL))
            {
//                m_log.DebugFormat("[USER MANAGEMENT MODULE]: Requested url type {0} for {1}", serverType, userID);

                UserAgentServiceConnector uConn = new UserAgentServiceConnector(userdata.HomeURL);
                try
                {
                    userdata.ServerURLs = uConn.GetServerURLs(userID);
                }
                catch(System.Net.WebException e)
                {
                    m_log.DebugFormat("[USER MANAGEMENT MODULE]: GetServerURLs call failed {0}", e.Message);
                    userdata.ServerURLs = new Dictionary<string, object>();
                }
                catch (Exception e)
                {
                    m_log.Debug("[USER MANAGEMENT MODULE]: GetServerURLs call failed ", e);
                    userdata.ServerURLs = new Dictionary<string, object>();
                }

                if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
                    return userdata.ServerURLs[serverType].ToString();
            }

            return string.Empty;
        }
        public string GetUserServerURL(UUID userID, string serverType)
        {
            if (m_UserCache.ContainsKey(userID))
            {
                UserData userdata = m_UserCache[userID];
                if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
                    return userdata.ServerURLs[serverType].ToString();

                if (userdata.HomeURL != string.Empty)
                {
                    UserAgentServiceConnector uConn = new UserAgentServiceConnector(userdata.HomeURL);
                    userdata.ServerURLs = uConn.GetServerURLs(userID);
                    if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
                        return userdata.ServerURLs[serverType].ToString();
                }
            }

            return string.Empty;
        }