mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-01 17:15:07 +02:00
130 lines
3 KiB
C#
130 lines
3 KiB
C#
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Text;
|
|
|
|
namespace SocketHttpListener
|
|
{
|
|
internal class PayloadData : IEnumerable<byte>
|
|
{
|
|
#region Private Fields
|
|
|
|
private byte[] _applicationData;
|
|
private byte[] _extensionData;
|
|
private bool _masked;
|
|
|
|
#endregion
|
|
|
|
#region Public Const Fields
|
|
|
|
public const ulong MaxLength = long.MaxValue;
|
|
|
|
#endregion
|
|
|
|
#region Public Constructors
|
|
|
|
public PayloadData()
|
|
: this(new byte[0], new byte[0], false)
|
|
{
|
|
}
|
|
|
|
public PayloadData(byte[] applicationData)
|
|
: this(new byte[0], applicationData, false)
|
|
{
|
|
}
|
|
|
|
public PayloadData(string applicationData)
|
|
: this(new byte[0], Encoding.UTF8.GetBytes(applicationData), false)
|
|
{
|
|
}
|
|
|
|
public PayloadData(byte[] applicationData, bool masked)
|
|
: this(new byte[0], applicationData, masked)
|
|
{
|
|
}
|
|
|
|
public PayloadData(byte[] extensionData, byte[] applicationData, bool masked)
|
|
{
|
|
_extensionData = extensionData;
|
|
_applicationData = applicationData;
|
|
_masked = masked;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Internal Properties
|
|
|
|
internal bool ContainsReservedCloseStatusCode =>
|
|
_applicationData.Length > 1 &&
|
|
_applicationData.SubArray(0, 2).ToUInt16(ByteOrder.Big).IsReserved();
|
|
|
|
#endregion
|
|
|
|
#region Public Properties
|
|
|
|
public byte[] ApplicationData => _applicationData;
|
|
|
|
public byte[] ExtensionData => _extensionData;
|
|
|
|
public bool IsMasked => _masked;
|
|
|
|
public ulong Length => (ulong)(_extensionData.Length + _applicationData.Length);
|
|
|
|
#endregion
|
|
|
|
#region Private Methods
|
|
|
|
private static void mask(byte[] src, byte[] key)
|
|
{
|
|
for (long i = 0; i < src.Length; i++)
|
|
src[i] = (byte)(src[i] ^ key[i % 4]);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Public Methods
|
|
|
|
public IEnumerator<byte> GetEnumerator()
|
|
{
|
|
foreach (byte b in _extensionData)
|
|
yield return b;
|
|
|
|
foreach (byte b in _applicationData)
|
|
yield return b;
|
|
}
|
|
|
|
public void Mask(byte[] maskingKey)
|
|
{
|
|
if (_extensionData.Length > 0)
|
|
mask(_extensionData, maskingKey);
|
|
|
|
if (_applicationData.Length > 0)
|
|
mask(_applicationData, maskingKey);
|
|
|
|
_masked = !_masked;
|
|
}
|
|
|
|
public byte[] ToByteArray()
|
|
{
|
|
return _extensionData.Length > 0
|
|
? new List<byte>(this).ToArray()
|
|
: _applicationData;
|
|
}
|
|
|
|
public override string ToString()
|
|
{
|
|
return BitConverter.ToString(ToByteArray());
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Explicitly Implemented Interface Members
|
|
|
|
IEnumerator IEnumerable.GetEnumerator()
|
|
{
|
|
return GetEnumerator();
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|