114 lines
2.4 KiB
C#
114 lines
2.4 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
|
|
#pragma warning disable
|
|
using System.IO;
|
|
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
|
|
|
|
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1
|
|
{
|
|
internal class ConstructedOctetStream
|
|
: BaseInputStream
|
|
{
|
|
private readonly Asn1StreamParser _parser;
|
|
|
|
private bool _first = true;
|
|
private Stream _currentStream;
|
|
|
|
internal ConstructedOctetStream(
|
|
Asn1StreamParser parser)
|
|
{
|
|
_parser = parser;
|
|
}
|
|
|
|
public override int Read(byte[] buffer, int offset, int count)
|
|
{
|
|
if (_currentStream == null)
|
|
{
|
|
if (!_first)
|
|
return 0;
|
|
|
|
Asn1OctetStringParser next = GetNextParser();
|
|
if (next == null)
|
|
return 0;
|
|
|
|
_first = false;
|
|
_currentStream = next.GetOctetStream();
|
|
}
|
|
|
|
int totalRead = 0;
|
|
|
|
for (;;)
|
|
{
|
|
int numRead = _currentStream.Read(buffer, offset + totalRead, count - totalRead);
|
|
|
|
if (numRead > 0)
|
|
{
|
|
totalRead += numRead;
|
|
|
|
if (totalRead == count)
|
|
return totalRead;
|
|
}
|
|
else
|
|
{
|
|
Asn1OctetStringParser next = GetNextParser();
|
|
if (next == null)
|
|
{
|
|
_currentStream = null;
|
|
return totalRead;
|
|
}
|
|
|
|
_currentStream = next.GetOctetStream();
|
|
}
|
|
}
|
|
}
|
|
|
|
public override int ReadByte()
|
|
{
|
|
if (_currentStream == null)
|
|
{
|
|
if (!_first)
|
|
return 0;
|
|
|
|
Asn1OctetStringParser next = GetNextParser();
|
|
if (next == null)
|
|
return 0;
|
|
|
|
_first = false;
|
|
_currentStream = next.GetOctetStream();
|
|
}
|
|
|
|
for (;;)
|
|
{
|
|
int b = _currentStream.ReadByte();
|
|
|
|
if (b >= 0)
|
|
return b;
|
|
|
|
Asn1OctetStringParser next = GetNextParser();
|
|
if (next == null)
|
|
{
|
|
_currentStream = null;
|
|
return -1;
|
|
}
|
|
|
|
_currentStream = next.GetOctetStream();
|
|
}
|
|
}
|
|
|
|
private Asn1OctetStringParser GetNextParser()
|
|
{
|
|
IAsn1Convertible asn1Obj = _parser.ReadObject();
|
|
if (asn1Obj == null)
|
|
return null;
|
|
|
|
if (asn1Obj is Asn1OctetStringParser)
|
|
return (Asn1OctetStringParser)asn1Obj;
|
|
|
|
throw new IOException("unknown object encountered: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(asn1Obj));
|
|
}
|
|
}
|
|
}
|
|
#pragma warning restore
|
|
#endif
|