clockwerk-opensim-stable – 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 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", Id = "SimianAuthenticationServiceConnector")]
public class SimianAuthenticationServiceConnector : IAuthenticationService, ISharedRegionModule
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
private string m_serverUrl = String.Empty;
private bool m_Enabled = false;
#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 (m_Enabled) { scene.RegisterModuleInterface<IAuthenticationService>(this); } }
public void RemoveRegion(Scene scene) { if (m_Enabled) { scene.UnregisterModuleInterface<IAuthenticationService>(this); } }
#endregion ISharedRegionModule
public SimianAuthenticationServiceConnector(IConfigSource source)
{
CommonInit(source);
}
public void Initialise(IConfigSource source)
{
IConfig moduleConfig = source.Configs["Modules"];
if (moduleConfig != null)
{
string name = moduleConfig.GetString("AuthenticationServices", "");
if (name == Name)
CommonInit(source);
}
}
private void CommonInit(IConfigSource source)
{
IConfig gridConfig = source.Configs["AuthenticationService"];
if (gridConfig != null)
{
string serviceUrl = gridConfig.GetString("AuthenticationServerURI");
if (!String.IsNullOrEmpty(serviceUrl))
{
if (!serviceUrl.EndsWith("/") && !serviceUrl.EndsWith("="))
serviceUrl = serviceUrl + '/';
m_serverUrl = serviceUrl;
m_Enabled = true;
}
}
if (String.IsNullOrEmpty(m_serverUrl))
m_log.Info("[SIMIAN AUTH CONNECTOR]: No AuthenticationServerURI specified, disabling connector");
}
public string Authenticate(UUID principalID, string password, int lifetime)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "GetIdentities" },
{ "UserID", principalID.ToString() }
};
OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean() && response["Identities"] is OSDArray)
{
bool md5hashFound = false;
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 authorizeResult;
if (CheckPassword(principalID, password, identity["Credential"].AsString(), out authorizeResult))
return authorizeResult;
md5hashFound = true;
break;
}
}
}
if (!md5hashFound)
m_log.Warn("[SIMIAN AUTH CONNECTOR]: Authentication failed for " + principalID + ", no md5hash identity found");
}
else
{
m_log.Warn("[SIMIAN 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 = SimianGrid.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean())
{
return true;
}
else
{
m_log.Warn("[SIMIAN 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 = SimianGrid.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean())
{
return true;
}
else
{
m_log.Warn("[SIMIAN AUTH CONNECTOR]: Failed to remove session for " + principalID + ": " +
response["Message"].AsString());
}
return false;
}
public bool SetPassword(UUID principalID, string passwd)
{
// Fetch the user name first
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "GetUser" },
{ "UserID", principalID.ToString() }
};
OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean() && response["User"] is OSDMap)
{
OSDMap userMap = (OSDMap)response["User"];
string identifier = userMap["Name"].AsString();
if (!String.IsNullOrEmpty(identifier))
{
// Add/update the md5hash identity
// TODO: Support salts when AddIdentity does
// TODO: Create an a1hash too for WebDAV logins
requestArgs = new NameValueCollection
{
{ "RequestMethod", "AddIdentity" },
{ "Identifier", identifier },
{ "Credential", "$1$" + Utils.MD5String(passwd) },
{ "Type", "md5hash" },
{ "UserID", principalID.ToString() }
};
response = SimianGrid.PostToService(m_serverUrl, requestArgs);
bool success = response["Success"].AsBoolean();
if (!success)
m_log.WarnFormat("[SIMIAN AUTH CONNECTOR]: Failed to set password for {0} ({1})", identifier, principalID);
return success;
}
}
else
{
m_log.Warn("[SIMIAN AUTH CONNECTOR]: Failed to retrieve identities for " + principalID + ": " +
response["Message"].AsString());
}
return false;
}
public AuthInfo GetAuthInfo(UUID principalID)
{
throw new NotImplementedException();
}
public bool SetAuthInfo(AuthInfo info)
{
throw new NotImplementedException();
}
private bool CheckPassword(UUID userID, string password, string simianGridCredential, out string authorizeResult)
{
if (simianGridCredential.Contains(":"))
{
// Salted version
int idx = simianGridCredential.IndexOf(':');
string finalhash = simianGridCredential.Substring(0, idx);
string salt = simianGridCredential.Substring(idx + 1);
if (finalhash == Utils.MD5String(password + ":" + salt))
{
authorizeResult = Authorize(userID);
return true;
}
else
{
m_log.Warn("[SIMIAN AUTH CONNECTOR]: Authentication failed for " + userID +
" using md5hash " + Utils.MD5String(password) + ":" + salt);
}
}
else
{
// Unsalted version
if (password == simianGridCredential ||
"$1$" + password == simianGridCredential ||
"$1$" + Utils.MD5String(password) == simianGridCredential ||
Utils.MD5String(password) == simianGridCredential ||
"$1$" + Utils.MD5String(password + ":") == simianGridCredential)
{
authorizeResult = Authorize(userID);
return true;
}
else
{
m_log.Warn("[SIMIAN AUTH CONNECTOR]: Authentication failed for " + userID +
" using md5hash $1$" + Utils.MD5String(password));
}
}
authorizeResult = null;
return false;
}
private string Authorize(UUID userID)
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "AddSession" },
{ "UserID", userID.ToString() }
};
OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
if (response["Success"].AsBoolean())
return response["SessionID"].AsUUID().ToString();
else
return String.Empty;
}
}
}