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using System;
using System.Collections.Generic;
using System.Reflection;
using Nini.Config;
using log4net;
using OpenMetaverse;
namespace OpenSim.Framework
{
public class AssetPermissions
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
private bool[] m_DisallowExport, m_DisallowImport;
private string[] m_AssetTypeNames;
public AssetPermissions(IConfig config)
{
Type enumType = typeof(AssetType);
m_AssetTypeNames = Enum.GetNames(enumType);
for (int i = 0; i < m_AssetTypeNames.Length; i++)
m_AssetTypeNames[i] = m_AssetTypeNames[i].ToLower();
int n = Enum.GetValues(enumType).Length;
m_DisallowExport = new bool[n];
m_DisallowImport = new bool[n];
LoadPermsFromConfig(config, "DisallowExport", m_DisallowExport);
LoadPermsFromConfig(config, "DisallowImport", m_DisallowImport);
}
private void LoadPermsFromConfig(IConfig assetConfig, string variable, bool[] bitArray)
{
string perms = assetConfig.GetString(variable, String.Empty);
string[] parts = perms.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string s in parts)
{
int index = Array.IndexOf(m_AssetTypeNames, s.Trim().ToLower());
if (index >= 0)
bitArray[index] = true;
else
m_log.WarnFormat("[Asset Permissions]: Invalid AssetType {0}", s);
}
}
public bool AllowedExport(sbyte type)
{
string assetTypeName = ((AssetType)type).ToString();
int index = Array.IndexOf(m_AssetTypeNames, assetTypeName.ToLower());
if (index >= 0 && m_DisallowExport[index])
{
m_log.DebugFormat("[Asset Permissions]: Export denied: configuration does not allow export of AssetType {0}", assetTypeName);
return false;
}
return true;
}
public bool AllowedImport(sbyte type)
{
string assetTypeName = ((AssetType)type).ToString();
int index = Array.IndexOf(m_AssetTypeNames, assetTypeName.ToLower());
if (index >= 0 && m_DisallowImport[index])
{
m_log.DebugFormat("[Asset Permissions]: Import denied: configuration does not allow import of AssetType {0}", assetTypeName);
return false;
}
return true;
}
}
}
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