mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-08 20:38:24 +02:00
150 lines
2.9 KiB
C#
150 lines
2.9 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 {
|
||
|
get {
|
||
|
return _applicationData.Length > 1 &&
|
||
|
_applicationData.SubArray (0, 2).ToUInt16 (ByteOrder.Big).IsReserved ();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#endregion
|
||
|
|
||
|
#region Public Properties
|
||
|
|
||
|
public byte [] ApplicationData {
|
||
|
get {
|
||
|
return _applicationData;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public byte [] ExtensionData {
|
||
|
get {
|
||
|
return _extensionData;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public bool IsMasked {
|
||
|
get {
|
||
|
return _masked;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public ulong Length {
|
||
|
get {
|
||
|
return (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
|
||
|
}
|
||
|
}
|