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This commit is contained in:
stevesensei
2026-06-15 18:18:16 +08:00
parent 97c9fba14e
commit 2b9f134e5f
4164 changed files with 386922 additions and 79 deletions
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242
Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/tls/DtlsTransport.cs vendored Normal file
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
#pragma warning disable
using System;
using System.IO;
using System.Net.Sockets;
namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Tls
{
public class DtlsTransport
: DatagramTransport
{
private readonly DtlsRecordLayer m_recordLayer;
private readonly bool m_ignoreCorruptRecords;
internal DtlsTransport(DtlsRecordLayer recordLayer, bool ignoreCorruptRecords)
{
m_recordLayer = recordLayer;
m_ignoreCorruptRecords = ignoreCorruptRecords;
}
/// <exception cref="IOException"/>
public virtual int GetReceiveLimit()
{
return m_recordLayer.GetReceiveLimit();
}
/// <exception cref="IOException"/>
public virtual int GetSendLimit()
{
return m_recordLayer.GetSendLimit();
}
/// <exception cref="IOException"/>
public virtual int Receive(byte[] buf, int off, int len, int waitMillis)
{
if (null == buf)
throw new ArgumentNullException("buf");
if (off < 0 || off >= buf.Length)
throw new ArgumentException("invalid offset: " + off, "off");
if (len < 0 || len > buf.Length - off)
throw new ArgumentException("invalid length: " + len, "len");
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
return Receive(buf.AsSpan(off, len), waitMillis);
#else
if (waitMillis < 0)
throw new ArgumentException("cannot be negative", "waitMillis");
try
{
return m_recordLayer.Receive(buf, off, len, waitMillis);
}
catch (TlsFatalAlert fatalAlert)
{
if (m_ignoreCorruptRecords && AlertDescription.bad_record_mac == fatalAlert.AlertDescription)
return -1;
m_recordLayer.Fail(fatalAlert.AlertDescription);
throw fatalAlert;
}
catch (TlsTimeoutException e)
{
throw e;
}
catch (SocketException e)
{
if (TlsUtilities.IsTimeout(e))
throw e;
m_recordLayer.Fail(AlertDescription.internal_error);
throw new TlsFatalAlert(AlertDescription.internal_error, e);
}
// TODO[tls-port] Can we support interrupted IO on .NET?
//catch (InterruptedIOException e)
//{
// throw e;
//}
catch (IOException e)
{
m_recordLayer.Fail(AlertDescription.internal_error);
throw e;
}
catch (Exception e)
{
m_recordLayer.Fail(AlertDescription.internal_error);
throw new TlsFatalAlert(AlertDescription.internal_error, e);
}
#endif
}
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
/// <exception cref="IOException"/>
public virtual int Receive(Span<byte> buffer, int waitMillis)
{
if (waitMillis < 0)
throw new ArgumentException("cannot be negative", nameof(waitMillis));
try
{
return m_recordLayer.Receive(buffer, waitMillis);
}
catch (TlsFatalAlert fatalAlert)
{
if (m_ignoreCorruptRecords && AlertDescription.bad_record_mac == fatalAlert.AlertDescription)
return -1;
m_recordLayer.Fail(fatalAlert.AlertDescription);
throw fatalAlert;
}
catch (TlsTimeoutException e)
{
throw e;
}
catch (SocketException e)
{
if (TlsUtilities.IsTimeout(e))
throw e;
m_recordLayer.Fail(AlertDescription.internal_error);
throw new TlsFatalAlert(AlertDescription.internal_error, e);
}
// TODO[tls-port] Can we support interrupted IO on .NET?
//catch (InterruptedIOException e)
//{
// throw e;
//}
catch (IOException e)
{
m_recordLayer.Fail(AlertDescription.internal_error);
throw e;
}
catch (Exception e)
{
m_recordLayer.Fail(AlertDescription.internal_error);
throw new TlsFatalAlert(AlertDescription.internal_error, e);
}
}
#endif
/// <exception cref="IOException"/>
public virtual void Send(byte[] buf, int off, int len)
{
if (null == buf)
throw new ArgumentNullException("buf");
if (off < 0 || off >= buf.Length)
throw new ArgumentException("invalid offset: " + off, "off");
if (len < 0 || len > buf.Length - off)
throw new ArgumentException("invalid length: " + len, "len");
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
Send(buf.AsSpan(off, len));
#else
try
{
m_recordLayer.Send(buf, off, len);
}
catch (TlsFatalAlert fatalAlert)
{
m_recordLayer.Fail(fatalAlert.AlertDescription);
throw fatalAlert;
}
catch (TlsTimeoutException e)
{
throw e;
}
catch (SocketException e)
{
if (TlsUtilities.IsTimeout(e))
throw e;
m_recordLayer.Fail(AlertDescription.internal_error);
throw new TlsFatalAlert(AlertDescription.internal_error, e);
}
// TODO[tls-port] Can we support interrupted IO on .NET?
//catch (InterruptedIOException e)
//{
// throw e;
//}
catch (IOException e)
{
m_recordLayer.Fail(AlertDescription.internal_error);
throw e;
}
catch (Exception e)
{
m_recordLayer.Fail(AlertDescription.internal_error);
throw new TlsFatalAlert(AlertDescription.internal_error, e);
}
#endif
}
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
public virtual void Send(ReadOnlySpan<byte> buffer)
{
try
{
m_recordLayer.Send(buffer);
}
catch (TlsFatalAlert fatalAlert)
{
m_recordLayer.Fail(fatalAlert.AlertDescription);
throw fatalAlert;
}
catch (TlsTimeoutException e)
{
throw e;
}
catch (SocketException e)
{
if (TlsUtilities.IsTimeout(e))
throw e;
m_recordLayer.Fail(AlertDescription.internal_error);
throw new TlsFatalAlert(AlertDescription.internal_error, e);
}
// TODO[tls-port] Can we support interrupted IO on .NET?
//catch (InterruptedIOException e)
//{
// throw e;
//}
catch (IOException e)
{
m_recordLayer.Fail(AlertDescription.internal_error);
throw e;
}
catch (Exception e)
{
m_recordLayer.Fail(AlertDescription.internal_error);
throw new TlsFatalAlert(AlertDescription.internal_error, e);
}
}
#endif
/// <exception cref="IOException"/>
public virtual void Close()
{
m_recordLayer.Close();
}
}
}
#pragma warning restore
#endif