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