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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 OpenMetaverse;
using log4net;
using Nini.Config;
using System.Reflection;
using OpenSim.Services.Base;
using OpenSim.Data;
namespace OpenSim.Services.AuthenticationService
{
// Generic Authentication service used for identifying
// and authenticating principals.
// Principals may be clients acting on users' behalf,
// or any other components that need
// verifiable identification.
//
public class AuthenticationServiceBase : ServiceBase
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
protected IAuthenticationData m_Database;
public AuthenticationServiceBase(IConfigSource config) : base(config)
{
string dllName = String.Empty;
string connString = String.Empty;
string realm = "auth";
//
// Try reading the [AuthenticationService] section first, if it exists
//
IConfig authConfig = config.Configs["AuthenticationService"];
if (authConfig != null)
{
dllName = authConfig.GetString("StorageProvider", dllName);
connString = authConfig.GetString("ConnectionString", connString);
realm = authConfig.GetString("Realm", realm);
}
//
// Try reading the [DatabaseService] section, if it exists
//
IConfig dbConfig = config.Configs["DatabaseService"];
if (dbConfig != null)
{
if (dllName == String.Empty)
dllName = dbConfig.GetString("StorageProvider", String.Empty);
if (connString == String.Empty)
connString = dbConfig.GetString("ConnectionString", String.Empty);
}
//
// We tried, but this doesn't exist. We can't proceed.
//
if (dllName == String.Empty || realm == String.Empty)
throw new Exception("No StorageProvider configured");
m_Database = LoadPlugin<IAuthenticationData>(dllName,
new Object[] {connString, realm});
if (m_Database == null)
throw new Exception("Could not find a storage interface in the given module");
}
public bool Verify(UUID principalID, string token, int lifetime)
{
return m_Database.CheckToken(principalID, token, lifetime);
}
public virtual bool Release(UUID principalID, string token)
{
return m_Database.CheckToken(principalID, token, 0);
}
protected string GetToken(UUID principalID, int lifetime)
{
UUID token = UUID.Random();
if (m_Database.SetToken(principalID, token.ToString(), lifetime))
return token.ToString();
return String.Empty;
}
}
}
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