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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 System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Reflection;
using log4net;
using Mono.Addins;
using Nini.Config;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using FriendInfo = OpenSim.Services.Interfaces.FriendInfo;
namespace OpenSim.Services.Connectors.SimianGrid
{
/// <summary>
/// Stores and retrieves friend lists from the SimianGrid backend
/// </summary>
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
public class SimianFriendsServiceConnector : IFriendsService, ISharedRegionModule
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
private string m_serverUrl = String.Empty;
#region ISharedRegionModule
public Type ReplaceableInterface { get { return null; } }
public void RegionLoaded(Scene scene) { }
public void PostInitialise() { }
public void Close() { }
public SimianFriendsServiceConnector() { }
public string Name { get { return "SimianFriendsServiceConnector"; } }
public void AddRegion(Scene scene) { if (!String.IsNullOrEmpty(m_serverUrl)) { scene.RegisterModuleInterface<IFriendsService>(this); } }
public void RemoveRegion(Scene scene) { if (!String.IsNullOrEmpty(m_serverUrl)) { scene.UnregisterModuleInterface<IFriendsService>(this); } }
#endregion ISharedRegionModule
public SimianFriendsServiceConnector(IConfigSource source)
{
Initialise(source);
}
public void Initialise(IConfigSource source)
{
bool isSimianEnabled = false;
if (source.Configs["Friends"] != null)
{
string module = source.Configs["Friends"].GetString("Connector");
isSimianEnabled = !String.IsNullOrEmpty(module) && module.EndsWith(this.Name);
}
if (isSimianEnabled)
{
IConfig assetConfig = source.Configs["FriendsService"];
if (assetConfig == null)
{
m_log.Error("[SIMIAN FRIENDS CONNECTOR]: FriendsService missing from OpenSim.ini");
throw new Exception("Friends connector init error");
}
string serviceURI = assetConfig.GetString("FriendsServerURI");
if (String.IsNullOrEmpty(serviceURI))
{
m_log.Error("[SIMIAN FRIENDS CONNECTOR]: No Server URI named in section FriendsService");
throw new Exception("Friends connector init error");
}
m_serverUrl = serviceURI;
}
}
#region IFriendsService
public FriendInfo[] GetFriends(UUID principalID)
{
Dictionary<UUID, FriendInfo> friends = new Dictionary<UUID, FriendInfo>();
OSDArray friendsArray = GetFriended(principalID);
OSDArray friendedMeArray = GetFriendedBy(principalID);
// Load the list of friends and their granted permissions
for (int i = 0; i < friendsArray.Count; i++)
{
OSDMap friendEntry = friendsArray[i] as OSDMap;
if (friendEntry != null)
{
UUID friendID = friendEntry["Key"].AsUUID();
FriendInfo friend = new FriendInfo();
friend.PrincipalID = principalID;
friend.Friend = friendID.ToString();
friend.MyFlags = friendEntry["Value"].AsInteger();
friend.TheirFlags = -1;
friends[friendID] = friend;
}
}
// Load the permissions those friends have granted to this user
for (int i = 0; i < friendedMeArray.Count; i++)
{
OSDMap friendedMeEntry = friendedMeArray[i] as OSDMap;
if (friendedMeEntry != null)
{
UUID friendID = friendedMeEntry["OwnerID"].AsUUID();
FriendInfo friend;
if (friends.TryGetValue(friendID, out friend))
friend.TheirFlags = friendedMeEntry["Value"].AsInteger();
}
}
// Convert the dictionary of friends to an array and return it
FriendInfo[] array = new FriendInfo[friends.Count];
int j = 0;
foreach (FriendInfo friend in friends.Values)
array[j++] = friend;
return array;
}
public bool StoreFriend(UUID principalID, string friend, int flags)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "AddGeneric" },
{ "OwnerID", principalID.ToString() },
{ "Type", "Friend" },
{ "Key", friend },
{ "Value", flags.ToString() }
};
OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
bool success = response["Success"].AsBoolean();
if (!success)
m_log.Error("[SIMIAN FRIENDS CONNECTOR]: Failed to store friend " + friend + " for user " + principalID + ": " + response["Message"].AsString());
return success;
}
public bool Delete(UUID principalID, string friend)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "RemoveGeneric" },
{ "OwnerID", principalID.ToString() },
{ "Type", "Friend" },
{ "Key", friend }
};
OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
bool success = response["Success"].AsBoolean();
if (!success)
m_log.Error("[SIMIAN FRIENDS CONNECTOR]: Failed to remove friend " + friend + " for user " + principalID + ": " + response["Message"].AsString());
return success;
}
#endregion IFriendsService
private OSDArray GetFriended(UUID ownerID)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "GetGenerics" },
{ "OwnerID", ownerID.ToString() },
{ "Type", "Friend" }
};
OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean() && response["Entries"] is OSDArray)
{
return (OSDArray)response["Entries"];
}
else
{
m_log.Warn("[SIMIAN FRIENDS CONNECTOR]: Failed to retrieve friends for user " + ownerID + ": " + response["Message"].AsString());
return new OSDArray(0);
}
}
private OSDArray GetFriendedBy(UUID ownerID)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "GetGenerics" },
{ "Key", ownerID.ToString() },
{ "Type", "Friend" }
};
OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean() && response["Entries"] is OSDArray)
{
return (OSDArray)response["Entries"];
}
else
{
m_log.Warn("[SIMIAN FRIENDS CONNECTOR]: Failed to retrieve reverse friends for user " + ownerID + ": " + response["Message"].AsString());
return new OSDArray(0);
}
}
}
}
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