opensim – 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;
using System.Collections.Generic;
using System.Data;
using OpenMetaverse;
using OpenSim.Framework;
using System.Data.SqlClient;
using System.Reflection;
using System.Text;
namespace OpenSim.Data.MSSQL
{
public class MSSQLAuthenticationData : IAuthenticationData
{
private string m_Realm;
private List<string> m_ColumnNames = null;
private int m_LastExpire = 0;
private string m_ConnectionString;
private MSSQLManager m_database;
public MSSQLAuthenticationData(string connectionString, string realm)
{
m_Realm = realm;
m_ConnectionString = connectionString;
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
{
conn.Open();
Migration m = new Migration(conn, GetType().Assembly, "AuthStore");
m_database = new MSSQLManager(m_ConnectionString);
m.Update();
}
}
public AuthenticationData Get(UUID principalID)
{
AuthenticationData ret = new AuthenticationData();
ret.Data = new Dictionary<string, object>();
string sql = string.Format("select * from {0} where UUID = @principalID", m_Realm);
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("@principalID", principalID));
conn.Open();
using (SqlDataReader result = cmd.ExecuteReader())
{
if (result.Read())
{
ret.PrincipalID = principalID;
if (m_ColumnNames == null)
{
m_ColumnNames = new List<string>();
DataTable schemaTable = result.GetSchemaTable();
foreach (DataRow row in schemaTable.Rows)
m_ColumnNames.Add(row["ColumnName"].ToString());
}
foreach (string s in m_ColumnNames)
{
if (s == "UUID")
continue;
ret.Data[s] = result[s].ToString();
}
return ret;
}
}
}
return null;
}
public bool Store(AuthenticationData data)
{
if (data.Data.ContainsKey("UUID"))
data.Data.Remove("UUID");
string[] fields = new List<string>(data.Data.Keys).ToArray();
StringBuilder updateBuilder = new StringBuilder();
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
using (SqlCommand cmd = new SqlCommand())
{
updateBuilder.AppendFormat("update {0} set ", m_Realm);
bool first = true;
foreach (string field in fields)
{
if (!first)
updateBuilder.Append(", ");
updateBuilder.AppendFormat("{0} = @{0}",field);
first = false;
cmd.Parameters.Add(m_database.CreateParameter("@" + field, data.Data[field]));
}
updateBuilder.Append(" where UUID = @principalID");
cmd.CommandText = updateBuilder.ToString();
cmd.Connection = conn;
cmd.Parameters.Add(m_database.CreateParameter("@principalID", data.PrincipalID));
conn.Open();
if (cmd.ExecuteNonQuery() < 1)
{
StringBuilder insertBuilder = new StringBuilder();
insertBuilder.AppendFormat("insert into {0} (UUID, ", m_Realm);
insertBuilder.Append(String.Join(", ", fields));
insertBuilder.Append(") values (@principalID, @");
insertBuilder.Append(String.Join(", @", fields));
insertBuilder.Append(")");
cmd.CommandText = insertBuilder.ToString();
if (cmd.ExecuteNonQuery() < 1)
{
return false;
}
}
}
return true;
}
public bool SetDataItem(UUID principalID, string item, string value)
{
string sql = string.Format("update {0} set {1} = @{1} where UUID = @UUID", m_Realm, item);
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("@" + item, value));
conn.Open();
if (cmd.ExecuteNonQuery() > 0)
return true;
}
return false;
}
public bool SetToken(UUID principalID, string token, int lifetime)
{
if (System.Environment.TickCount - m_LastExpire > 30000)
DoExpire();
string sql = "insert into tokens (UUID, token, validity) values (@principalID, @token, @lifetime)";
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("@principalID", principalID));
cmd.Parameters.Add(m_database.CreateParameter("@token", token));
cmd.Parameters.Add(m_database.CreateParameter("@lifetime", DateTime.Now.AddMinutes(lifetime)));
conn.Open();
if (cmd.ExecuteNonQuery() > 0)
{
return true;
}
}
return false;
}
public bool CheckToken(UUID principalID, string token, int lifetime)
{
if (System.Environment.TickCount - m_LastExpire > 30000)
DoExpire();
DateTime validDate = DateTime.Now.AddMinutes(lifetime);
string sql = "update tokens set validity = @validDate where UUID = @principalID and token = @token and validity > GetDate()";
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("@principalID", principalID));
cmd.Parameters.Add(m_database.CreateParameter("@token", token));
cmd.Parameters.Add(m_database.CreateParameter("@validDate", validDate));
conn.Open();
if (cmd.ExecuteNonQuery() > 0)
{
return true;
}
}
return false;
}
private void DoExpire()
{
DateTime currentDateTime = DateTime.Now;
string sql = "delete from tokens where validity < @currentDateTime";
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
conn.Open();
cmd.Parameters.Add(m_database.CreateParameter("@currentDateTime", currentDateTime));
cmd.ExecuteNonQuery();
}
m_LastExpire = System.Environment.TickCount;
}
}
}