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/*
* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
*
* 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 <organization> 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 <copyright holder> 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.Text;
using OpenGrid.Framework.Data;
namespace OpenGrid.Framework.Data.SQLite
{
/// <summary>
/// A Grid Interface to the SQLite database
/// </summary>
public class SQLiteGridData : IGridData
{
/// <summary>
/// A database manager
/// </summary>
private SQLiteManager database;
/// <summary>
/// Initialises the Grid Interface
/// </summary>
public void Initialise()
{
database = new SQLiteManager("localhost", "db", "user", "password", "false");
}
/// <summary>
/// Shuts down the grid interface
/// </summary>
public void Close()
{
database.Close();
}
/// <summary>
/// Returns the name of this grid interface
/// </summary>
/// <returns>A string containing the grid interface</returns>
public string getName()
{
return "SQLite OpenGridData";
}
/// <summary>
/// Returns the version of this grid interface
/// </summary>
/// <returns>A string containing the version</returns>
public string getVersion()
{
return "0.1";
}
/// <summary>
/// Returns a list of regions within the specified ranges
/// </summary>
/// <param name="a">minimum X coordinate</param>
/// <param name="b">minimum Y coordinate</param>
/// <param name="c">maximum X coordinate</param>
/// <param name="d">maximum Y coordinate</param>
/// <returns>An array of region profiles</returns>
public SimProfileData[] GetProfilesInRange(uint a, uint b, uint c, uint d)
{
return null;
}
/// <summary>
/// Returns a sim profile from it's location
/// </summary>
/// <param name="handle">Region location handle</param>
/// <returns>Sim profile</returns>
public SimProfileData GetProfileByHandle(ulong handle)
{
Dictionary<string, string> param = new Dictionary<string, string>();
param["handle"] = handle.ToString();
System.Data.IDbCommand result = database.Query("SELECT * FROM regions WHERE handle = @handle", param);
System.Data.IDataReader reader = result.ExecuteReader();
SimProfileData row = database.getRow(reader);
reader.Close();
result.Dispose();
return row;
}
/// <summary>
/// Returns a sim profile from it's UUID
/// </summary>
/// <param name="uuid">The region UUID</param>
/// <returns>The sim profile</returns>
public SimProfileData GetProfileByLLUUID(libsecondlife.LLUUID uuid)
{
Dictionary<string, string> param = new Dictionary<string, string>();
param["uuid"] = uuid.ToStringHyphenated();
System.Data.IDbCommand result = database.Query("SELECT * FROM regions WHERE uuid = @uuid", param);
System.Data.IDataReader reader = result.ExecuteReader();
SimProfileData row = database.getRow(reader);
reader.Close();
result.Dispose();
return row;
}
/// <summary>
/// Adds a new specified region to the database
/// </summary>
/// <param name="profile">The profile to add</param>
/// <returns>A dataresponse enum indicating success</returns>
public DataResponse AddProfile(SimProfileData profile)
{
if (database.insertRow(profile))
{
return DataResponse.RESPONSE_OK;
}
else
{
return DataResponse.RESPONSE_ERROR;
}
}
/// <summary>
/// DEPRECIATED. Attempts to authenticate a region by comparing a shared secret.
/// </summary>
/// <param name="uuid">The UUID of the challenger</param>
/// <param name="handle">The attempted regionHandle of the challenger</param>
/// <param name="authkey">The secret</param>
/// <returns>Whether the secret and regionhandle match the database entry for UUID</returns>
public bool AuthenticateSim(libsecondlife.LLUUID uuid, ulong handle, string authkey)
{
bool throwHissyFit = false; // Should be true by 1.0
if (throwHissyFit)
throw new Exception("CRYPTOWEAK AUTHENTICATE: Refusing to authenticate due to replay potential.");
SimProfileData data = GetProfileByLLUUID(uuid);
return (handle == data.regionHandle && authkey == data.regionSecret);
}
/// <summary>
/// NOT YET FUNCTIONAL. Provides a cryptographic authentication of a region
/// </summary>
/// <remarks>This requires a security audit.</remarks>
/// <param name="uuid"></param>
/// <param name="handle"></param>
/// <param name="authhash"></param>
/// <param name="challenge"></param>
/// <returns></returns>
public bool AuthenticateSim(libsecondlife.LLUUID uuid, ulong handle, string authhash, string challenge)
{
System.Security.Cryptography.SHA512Managed HashProvider = new System.Security.Cryptography.SHA512Managed();
System.Text.ASCIIEncoding TextProvider = new ASCIIEncoding();
byte[] stream = TextProvider.GetBytes(uuid.ToStringHyphenated() + ":" + handle.ToString() + ":" + challenge);
byte[] hash = HashProvider.ComputeHash(stream);
return false;
}
}
}
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