e19defde36
This currently prints caps requests received and handled, so that overload of received compared to handled or deadlock can be detected. This involves making BaseStreamHandler and BaseOutputStream record the ints, which means inheritors should subclass ProcessRequest() instead of Handle() However, existing inheriting classes overriding Handle() will still work, albeit without stats recording. "show caps" becomes "show caps list" to disambiguate between show caps commands
438 lines
15 KiB
C#
438 lines
15 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using Nini.Config;
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using log4net;
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using System;
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using System.Reflection;
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using System.IO;
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using System.Net;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Xml;
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using System.Xml.Serialization;
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using System.Collections.Generic;
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using OpenSim.Server.Base;
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using OpenSim.Services.Interfaces;
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using FriendInfo = OpenSim.Services.Interfaces.FriendInfo;
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using GridRegion = OpenSim.Services.Interfaces.GridRegion;
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using OpenSim.Framework;
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using OpenSim.Framework.Servers.HttpServer;
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using OpenMetaverse;
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namespace OpenSim.Server.Handlers.Hypergrid
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{
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public class HGFriendsServerPostHandler : BaseStreamHandler
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private IUserAgentService m_UserAgentService;
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private IFriendsSimConnector m_FriendsLocalSimConnector;
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private IHGFriendsService m_TheService;
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public HGFriendsServerPostHandler(IHGFriendsService service, IUserAgentService uas, IFriendsSimConnector friendsConn) :
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base("POST", "/hgfriends")
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{
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m_TheService = service;
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m_UserAgentService = uas;
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m_FriendsLocalSimConnector = friendsConn;
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m_log.DebugFormat("[HGFRIENDS HANDLER]: HGFriendsServerPostHandler is On ({0})",
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(m_FriendsLocalSimConnector == null ? "robust" : "standalone"));
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if (m_TheService == null)
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m_log.ErrorFormat("[HGFRIENDS HANDLER]: TheService is null!");
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}
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protected override byte[] ProcessRequest(string path, Stream requestData,
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IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
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{
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StreamReader sr = new StreamReader(requestData);
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string body = sr.ReadToEnd();
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sr.Close();
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body = body.Trim();
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//m_log.DebugFormat("[XXX]: query String: {0}", body);
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try
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{
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Dictionary<string, object> request =
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ServerUtils.ParseQueryString(body);
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if (!request.ContainsKey("METHOD"))
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return FailureResult();
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string method = request["METHOD"].ToString();
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switch (method)
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{
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case "getfriendperms":
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return GetFriendPerms(request);
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case "newfriendship":
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return NewFriendship(request);
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case "deletefriendship":
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return DeleteFriendship(request);
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/* Same as inter-sim */
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case "friendship_offered":
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return FriendshipOffered(request);
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case "validate_friendship_offered":
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return ValidateFriendshipOffered(request);
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case "statusnotification":
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return StatusNotification(request);
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/*
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case "friendship_approved":
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return FriendshipApproved(request);
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case "friendship_denied":
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return FriendshipDenied(request);
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case "friendship_terminated":
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return FriendshipTerminated(request);
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case "grant_rights":
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return GrantRights(request);
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*/
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}
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m_log.DebugFormat("[HGFRIENDS HANDLER]: unknown method {0}", method);
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}
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catch (Exception e)
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{
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m_log.DebugFormat("[HGFRIENDS HANDLER]: Exception {0}", e);
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}
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return FailureResult();
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}
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#region Method-specific handlers
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byte[] GetFriendPerms(Dictionary<string, object> request)
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{
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if (!VerifyServiceKey(request))
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return FailureResult();
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UUID principalID = UUID.Zero;
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if (request.ContainsKey("PRINCIPALID"))
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UUID.TryParse(request["PRINCIPALID"].ToString(), out principalID);
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else
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{
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m_log.WarnFormat("[HGFRIENDS HANDLER]: no principalID in request to get friend perms");
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return FailureResult();
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}
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UUID friendID = UUID.Zero;
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if (request.ContainsKey("FRIENDID"))
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UUID.TryParse(request["FRIENDID"].ToString(), out friendID);
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else
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{
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m_log.WarnFormat("[HGFRIENDS HANDLER]: no friendID in request to get friend perms");
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return FailureResult();
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}
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int perms = m_TheService.GetFriendPerms(principalID, friendID);
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if (perms < 0)
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return FailureResult("Friend not found");
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return SuccessResult(perms.ToString());
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}
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byte[] NewFriendship(Dictionary<string, object> request)
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{
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bool verified = VerifyServiceKey(request);
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FriendInfo friend = new FriendInfo(request);
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bool success = m_TheService.NewFriendship(friend, verified);
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if (success)
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return SuccessResult();
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else
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return FailureResult();
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}
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byte[] DeleteFriendship(Dictionary<string, object> request)
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{
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FriendInfo friend = new FriendInfo(request);
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string secret = string.Empty;
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if (request.ContainsKey("SECRET"))
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secret = request["SECRET"].ToString();
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if (secret == string.Empty)
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return BoolResult(false);
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bool success = m_TheService.DeleteFriendship(friend, secret);
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return BoolResult(success);
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}
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byte[] FriendshipOffered(Dictionary<string, object> request)
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{
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UUID fromID = UUID.Zero;
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UUID toID = UUID.Zero;
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string message = string.Empty;
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string name = string.Empty;
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if (!request.ContainsKey("FromID") || !request.ContainsKey("ToID"))
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return BoolResult(false);
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if (!UUID.TryParse(request["ToID"].ToString(), out toID))
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return BoolResult(false);
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message = request["Message"].ToString();
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if (!UUID.TryParse(request["FromID"].ToString(), out fromID))
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return BoolResult(false);
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if (request.ContainsKey("FromName"))
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name = request["FromName"].ToString();
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bool success = m_TheService.FriendshipOffered(fromID, name, toID, message);
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return BoolResult(success);
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}
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byte[] ValidateFriendshipOffered(Dictionary<string, object> request)
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{
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FriendInfo friend = new FriendInfo(request);
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UUID friendID = UUID.Zero;
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if (!UUID.TryParse(friend.Friend, out friendID))
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return BoolResult(false);
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bool success = m_TheService.ValidateFriendshipOffered(friend.PrincipalID, friendID);
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return BoolResult(success);
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}
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byte[] StatusNotification(Dictionary<string, object> request)
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{
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UUID principalID = UUID.Zero;
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if (request.ContainsKey("userID"))
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UUID.TryParse(request["userID"].ToString(), out principalID);
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else
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{
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m_log.WarnFormat("[HGFRIENDS HANDLER]: no userID in request to notify");
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return FailureResult();
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}
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bool online = true;
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if (request.ContainsKey("online"))
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Boolean.TryParse(request["online"].ToString(), out online);
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else
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{
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m_log.WarnFormat("[HGFRIENDS HANDLER]: no online in request to notify");
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return FailureResult();
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}
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List<string> friends = new List<string>();
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int i = 0;
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foreach (KeyValuePair<string, object> kvp in request)
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{
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if (kvp.Key.Equals("friend_" + i.ToString()))
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{
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friends.Add(kvp.Value.ToString());
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i++;
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}
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}
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List<UUID> onlineFriends = m_TheService.StatusNotification(friends, principalID, online);
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Dictionary<string, object> result = new Dictionary<string, object>();
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if ((onlineFriends == null) || ((onlineFriends != null) && (onlineFriends.Count == 0)))
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result["RESULT"] = "NULL";
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else
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{
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i = 0;
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foreach (UUID f in onlineFriends)
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{
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result["friend_" + i] = f.ToString();
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i++;
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}
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}
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string xmlString = ServerUtils.BuildXmlResponse(result);
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//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
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return Util.UTF8NoBomEncoding.GetBytes(xmlString);
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}
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#endregion
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#region Misc
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private bool VerifyServiceKey(Dictionary<string, object> request)
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{
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if (!request.ContainsKey("KEY") || !request.ContainsKey("SESSIONID"))
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{
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m_log.WarnFormat("[HGFRIENDS HANDLER]: ignoring request without Key or SessionID");
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return false;
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}
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if (request["KEY"] == null || request["SESSIONID"] == null)
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return false;
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string serviceKey = request["KEY"].ToString();
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string sessionStr = request["SESSIONID"].ToString();
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UUID sessionID;
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if (!UUID.TryParse(sessionStr, out sessionID) || serviceKey == string.Empty)
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return false;
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if (!m_UserAgentService.VerifyAgent(sessionID, serviceKey))
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{
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m_log.WarnFormat("[HGFRIENDS HANDLER]: Key {0} for session {1} did not match existing key. Ignoring request", serviceKey, sessionID);
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return false;
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}
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m_log.DebugFormat("[HGFRIENDS HANDLER]: Verification ok");
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return true;
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}
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private byte[] SuccessResult()
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{
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XmlDocument doc = new XmlDocument();
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XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
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"", "");
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doc.AppendChild(xmlnode);
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XmlElement rootElement = doc.CreateElement("", "ServerResponse",
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"");
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doc.AppendChild(rootElement);
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XmlElement result = doc.CreateElement("", "Result", "");
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result.AppendChild(doc.CreateTextNode("Success"));
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rootElement.AppendChild(result);
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return DocToBytes(doc);
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}
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private byte[] SuccessResult(string value)
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{
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XmlDocument doc = new XmlDocument();
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XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
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"", "");
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doc.AppendChild(xmlnode);
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XmlElement rootElement = doc.CreateElement("", "ServerResponse",
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"");
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doc.AppendChild(rootElement);
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XmlElement result = doc.CreateElement("", "RESULT", "");
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result.AppendChild(doc.CreateTextNode("Success"));
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rootElement.AppendChild(result);
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XmlElement message = doc.CreateElement("", "Value", "");
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message.AppendChild(doc.CreateTextNode(value));
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rootElement.AppendChild(message);
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return DocToBytes(doc);
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}
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private byte[] FailureResult()
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{
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return FailureResult(String.Empty);
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}
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private byte[] FailureResult(string msg)
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{
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XmlDocument doc = new XmlDocument();
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XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
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"", "");
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doc.AppendChild(xmlnode);
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XmlElement rootElement = doc.CreateElement("", "ServerResponse",
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"");
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doc.AppendChild(rootElement);
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XmlElement result = doc.CreateElement("", "RESULT", "");
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result.AppendChild(doc.CreateTextNode("Failure"));
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rootElement.AppendChild(result);
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XmlElement message = doc.CreateElement("", "Message", "");
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message.AppendChild(doc.CreateTextNode(msg));
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rootElement.AppendChild(message);
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return DocToBytes(doc);
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}
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private byte[] BoolResult(bool value)
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{
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XmlDocument doc = new XmlDocument();
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XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
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"", "");
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doc.AppendChild(xmlnode);
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XmlElement rootElement = doc.CreateElement("", "ServerResponse",
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"");
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doc.AppendChild(rootElement);
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XmlElement result = doc.CreateElement("", "RESULT", "");
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result.AppendChild(doc.CreateTextNode(value.ToString()));
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rootElement.AppendChild(result);
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return DocToBytes(doc);
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}
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private byte[] DocToBytes(XmlDocument doc)
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{
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MemoryStream ms = new MemoryStream();
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XmlTextWriter xw = new XmlTextWriter(ms, null);
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xw.Formatting = Formatting.Indented;
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doc.WriteTo(xw);
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xw.Flush();
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return ms.ToArray();
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}
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#endregion
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}
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}
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