439 lines
15 KiB
C#
439 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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public override byte[] Handle(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} request {1}", method.Length, 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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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.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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