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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.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;
namespace OpenSim.Services.Connectors.SimianGrid
{
/// <summary>
/// Connects authentication/authorization to the SimianGrid backend
/// </summary>
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
public class SimianAuthenticationServiceConnector : IAuthenticationService, 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 SimianAuthenticationServiceConnector() { }
public string Name { get { return "SimianAuthenticationServiceConnector"; } }
public void AddRegion(Scene scene) { if (!String.IsNullOrEmpty(m_serverUrl)) { scene.RegisterModuleInterface<IAuthenticationService>(this); } }
public void RemoveRegion(Scene scene) { if (!String.IsNullOrEmpty(m_serverUrl)) { scene.UnregisterModuleInterface<IAuthenticationService>(this); } }
#endregion ISharedRegionModule
public SimianAuthenticationServiceConnector(IConfigSource source)
{
Initialise(source);
}
public void Initialise(IConfigSource source)
{
if (Simian.IsSimianEnabled(source, "AuthenticationServices", this.Name))
{
IConfig assetConfig = source.Configs["AuthenticationService"];
if (assetConfig == null)
{
m_log.Error("[AUTH CONNECTOR]: AuthenticationService missing from OpenSim.ini");
throw new Exception("Authentication connector init error");
}
string serviceURI = assetConfig.GetString("AuthenticationServerURI");
if (String.IsNullOrEmpty(serviceURI))
{
m_log.Error("[AUTH CONNECTOR]: No Server URI named in section AuthenticationService");
throw new Exception("Authentication connector init error");
}
m_serverUrl = serviceURI;
}
}
public string Authenticate(UUID principalID, string password, int lifetime)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "GetIdentities" },
{ "UserID", principalID.ToString() }
};
OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean() && response["Identities"] is OSDArray)
{
OSDArray identities = (OSDArray)response["Identities"];
for (int i = 0; i < identities.Count; i++)
{
OSDMap identity = identities[i] as OSDMap;
if (identity != null)
{
if (identity["Type"].AsString() == "md5hash")
{
string credential = identity["Credential"].AsString();
if (password == credential || Utils.MD5String(password) == credential)
return Authorize(principalID);
}
}
}
m_log.Warn("[AUTH CONNECTOR]: Authentication failed for " + principalID);
}
else
{
m_log.Warn("[AUTH CONNECTOR]: Failed to retrieve identities for " + principalID + ": " +
response["Message"].AsString());
}
return String.Empty;
}
public bool Verify(UUID principalID, string token, int lifetime)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "GetSession" },
{ "SessionID", token }
};
OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean())
{
return true;
}
else
{
m_log.Warn("[AUTH CONNECTOR]: Could not verify session for " + principalID + ": " +
response["Message"].AsString());
}
return false;
}
public bool Release(UUID principalID, string token)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "RemoveSession" },
{ "UserID", principalID.ToString() }
};
OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean())
{
return true;
}
else
{
m_log.Warn("[AUTH CONNECTOR]: Failed to remove session for " + principalID + ": " +
response["Message"].AsString());
}
return false;
}
public bool SetPassword(UUID principalID, string passwd)
{
// TODO: Use GetIdentities to find the md5hash identity for principalID
// and then update it with AddIdentity
m_log.Error("[AUTH CONNECTOR]: Changing passwords is not implemented yet");
return false;
}
private string Authorize(UUID userID)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "AddSession" },
{ "UserID", userID.ToString() }
};
OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean())
return response["SessionID"].AsUUID().ToString();
else
return String.Empty;
}
}
}
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