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Remove MBLicenseFile

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hawken 2019-01-04 23:47:49 +00:00 committed by Bond-009
parent d707e969fa
commit 19319e8eb6
1 changed files with 0 additions and 204 deletions
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204
Emby.Server.Implementations/Security/MBLicenseFile.cs
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@ -1,204 +0,0 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Model.Cryptography;
using MediaBrowser.Model.IO;
namespace Emby.Server.Implementations.Security
{
internal class MBLicenseFile
{
private readonly IApplicationPaths _appPaths;
private readonly IFileSystem _fileSystem;
private readonly ICryptoProvider _cryptographyProvider;
public string RegKey
{
get => _regKey;
set
{
_updateRecords.Clear();
_regKey = value;
}
}
private string Filename => Path.Combine(_appPaths.ConfigurationDirectoryPath, "mb.lic");
private readonly ConcurrentDictionary<Guid, FeatureRegInfo> _updateRecords = new ConcurrentDictionary<Guid, FeatureRegInfo>();
private readonly object _fileLock = new object();
private string _regKey;
public MBLicenseFile(IApplicationPaths appPaths, IFileSystem fileSystem, ICryptoProvider cryptographyProvider)
{
_appPaths = appPaths;
_fileSystem = fileSystem;
_cryptographyProvider = cryptographyProvider;
Load();
}
private void SetUpdateRecord(Guid key, FeatureRegInfo value)
{
_updateRecords.AddOrUpdate(key, value, (k, v) => value);
}
private Guid GetKey(string featureId)
{
return new Guid(_cryptographyProvider.ComputeMD5(Encoding.Unicode.GetBytes(featureId)));
}
public void AddRegCheck(string featureId, DateTime expirationDate)
{
var key = GetKey(featureId);
var value = new FeatureRegInfo
{
ExpirationDate = expirationDate,
LastChecked = DateTime.UtcNow
};
SetUpdateRecord(key, value);
Save();
}
public void RemoveRegCheck(string featureId)
{
var key = GetKey(featureId);
FeatureRegInfo val;
_updateRecords.TryRemove(key, out val);
Save();
}
public FeatureRegInfo GetRegInfo(string featureId)
{
var key = GetKey(featureId);
FeatureRegInfo info = null;
_updateRecords.TryGetValue(key, out info);
if (info == null)
{
return null;
}
// guard agains people just putting a large number in the file
return info.LastChecked < DateTime.UtcNow ? info : null;
}
private void Load()
{
string[] contents = null;
var licenseFile = Filename;
lock (_fileLock)
{
try
{
contents = _fileSystem.ReadAllLines(licenseFile);
}
catch (FileNotFoundException)
{
lock (_fileLock)
{
_fileSystem.WriteAllBytes(licenseFile, Array.Empty<byte>());
}
}
catch (IOException)
{
lock (_fileLock)
{
_fileSystem.WriteAllBytes(licenseFile, Array.Empty<byte>());
}
}
}
if (contents != null && contents.Length > 0)
{
//first line is reg key
RegKey = contents[0];
//next is legacy key
if (contents.Length > 1)
{
// Don't need this anymore
}
//the rest of the lines should be pairs of features and timestamps
for (var i = 2; i < contents.Length; i = i + 2)
{
var line = contents[i];
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
Guid feat;
if (Guid.TryParse(line, out feat))
{
var lineParts = contents[i + 1].Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
long ticks;
if (long.TryParse(lineParts[0], out ticks))
{
var info = new FeatureRegInfo
{
LastChecked = new DateTime(ticks)
};
if (lineParts.Length > 1 && long.TryParse(lineParts[1], out ticks))
{
info.ExpirationDate = new DateTime(ticks);
}
SetUpdateRecord(feat, info);
}
}
}
}
}
public void Save()
{
//build our array
var lines = new List<string>
{
RegKey,
// Legacy key
string.Empty
};
foreach (var pair in _updateRecords
.ToList())
{
lines.Add(pair.Key.ToString());
var dateLine = pair.Value.LastChecked.Ticks.ToString(CultureInfo.InvariantCulture) + "|" +
pair.Value.ExpirationDate.Ticks.ToString(CultureInfo.InvariantCulture);
lines.Add(dateLine);
}
var licenseFile = Filename;
_fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(licenseFile));
lock (_fileLock)
{
_fileSystem.WriteAllLines(licenseFile, lines);
}
}
}
internal class FeatureRegInfo
{
public DateTime ExpirationDate { get; set; }
public DateTime LastChecked { get; set; }
public FeatureRegInfo()
{
ExpirationDate = DateTime.MinValue;
}
}
}