/* * 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); } } } }