opensim-development – Rev 1
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/*
* 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;
}
protected override byte[] ProcessRequest(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 "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 request {0}", 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);
return Util.UTF8NoBomEncoding.GetBytes(xmlString);
}
byte[] StoreFriend(Dictionary<string, object> request)
{
string principalID = string.Empty, friend = string.Empty; int flags = 0;
FromKeyValuePairs(request, out principalID, out friend, out flags);
bool success = m_FriendsService.StoreFriend(principalID, friend, flags);
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();
}
void FromKeyValuePairs(Dictionary<string, object> kvp, out string principalID, out string friend, out int flags)
{
principalID = string.Empty;
if (kvp.ContainsKey("PrincipalID") && kvp["PrincipalID"] != null)
principalID = kvp["PrincipalID"].ToString();
friend = string.Empty;
if (kvp.ContainsKey("Friend") && kvp["Friend"] != null)
friend = kvp["Friend"].ToString();
flags = 0;
if (kvp.ContainsKey("MyFlags") && kvp["MyFlags"] != null)
Int32.TryParse(kvp["MyFlags"].ToString(), out flags);
}
#endregion
}
}