/* * 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 OpenSim.Framework; using OpenSim.Framework.Servers.HttpServer; using OpenMetaverse; namespace OpenSim.Server.Handlers.Friends { public class FriendsServerPostHandler : BaseStreamHandler { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); private IFriendsService m_FriendsService; public FriendsServerPostHandler(IFriendsService service) : base("POST", "/friends") { m_FriendsService = service; } public override byte[] Handle(string path, Stream requestData, OSHttpRequest httpRequest, OSHttpResponse 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 "getfriends": return GetFriends(request); case "getfriends_string": return GetFriendsString(request); case "storefriend": return StoreFriend(request); case "deletefriend": return DeleteFriend(request); case "deletefriend_string": return DeleteFriendString(request); } m_log.DebugFormat("[FRIENDS HANDLER]: unknown method {0} request {1}", method.Length, method); } catch (Exception e) { m_log.DebugFormat("[FRIENDS HANDLER]: Exception {0}", e); } return FailureResult(); } #region Method-specific handlers byte[] GetFriends(Dictionary<string, object> request) { UUID principalID = UUID.Zero; if (request.ContainsKey("PRINCIPALID")) UUID.TryParse(request["PRINCIPALID"].ToString(), out principalID); else m_log.WarnFormat("[FRIENDS HANDLER]: no principalID in request to get friends"); FriendInfo[] finfos = m_FriendsService.GetFriends(principalID); return PackageFriends(finfos); } byte[] GetFriendsString(Dictionary<string, object> request) { string principalID = string.Empty; if (request.ContainsKey("PRINCIPALID")) principalID = request["PRINCIPALID"].ToString(); else m_log.WarnFormat("[FRIENDS HANDLER]: no principalID in request to get friends"); FriendInfo[] finfos = m_FriendsService.GetFriends(principalID); return PackageFriends(finfos); } private byte[] PackageFriends(FriendInfo[] finfos) { Dictionary<string, object> result = new Dictionary<string, object>(); if ((finfos == null) || ((finfos != null) && (finfos.Length == 0))) result["result"] = "null"; else { int i = 0; foreach (FriendInfo finfo in finfos) { Dictionary<string, object> rinfoDict = finfo.ToKeyValuePairs(); result["friend" + i] = rinfoDict; i++; } } string xmlString = ServerUtils.BuildXmlResponse(result); //m_log.DebugFormat("[FRIENDS HANDLER]: resp string: {0}", xmlString); UTF8Encoding encoding = new UTF8Encoding(); return encoding.GetBytes(xmlString); } byte[] StoreFriend(Dictionary<string, object> request) { FriendInfo friend = new FriendInfo(request); bool success = m_FriendsService.StoreFriend(friend.PrincipalID.ToString(), friend.Friend, friend.MyFlags); if (success) return SuccessResult(); else return FailureResult(); } byte[] DeleteFriend(Dictionary<string, object> request) { UUID principalID = UUID.Zero; if (request.ContainsKey("PRINCIPALID")) UUID.TryParse(request["PRINCIPALID"].ToString(), out principalID); else m_log.WarnFormat("[FRIENDS HANDLER]: no principalID in request to delete friend"); string friend = string.Empty; if (request.ContainsKey("FRIEND")) friend = request["FRIEND"].ToString(); bool success = m_FriendsService.Delete(principalID, friend); if (success) return SuccessResult(); else return FailureResult(); } byte[] DeleteFriendString(Dictionary<string, object> request) { string principalID = string.Empty; if (request.ContainsKey("PRINCIPALID")) principalID = request["PRINCIPALID"].ToString(); else m_log.WarnFormat("[FRIENDS HANDLER]: no principalID in request to delete friend"); string friend = string.Empty; if (request.ContainsKey("FRIEND")) friend = request["FRIEND"].ToString(); bool success = m_FriendsService.Delete(principalID, friend); if (success) return SuccessResult(); else return FailureResult(); } #endregion #region Misc 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[] 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[] 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 } }