107 lines
1.9 KiB
C#
107 lines
1.9 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System.IO;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1
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{
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internal class ConstructedOctetStream
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: BaseInputStream
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{
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private readonly Asn1StreamParser _parser;
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private bool _first = true;
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private Stream _currentStream;
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internal ConstructedOctetStream(
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Asn1StreamParser parser)
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{
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_parser = parser;
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}
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public override int Read(byte[] buffer, int offset, int count)
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{
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if (_currentStream == null)
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{
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if (!_first)
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return 0;
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Asn1OctetStringParser s = (Asn1OctetStringParser)_parser.ReadObject();
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if (s == null)
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return 0;
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_first = false;
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_currentStream = s.GetOctetStream();
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}
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int totalRead = 0;
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for (;;)
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{
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int numRead = _currentStream.Read(buffer, offset + totalRead, count - totalRead);
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if (numRead > 0)
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{
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totalRead += numRead;
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if (totalRead == count)
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return totalRead;
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}
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else
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{
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Asn1OctetStringParser aos = (Asn1OctetStringParser)_parser.ReadObject();
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if (aos == null)
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{
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_currentStream = null;
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return totalRead;
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}
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_currentStream = aos.GetOctetStream();
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}
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}
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}
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public override int ReadByte()
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{
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if (_currentStream == null)
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{
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if (!_first)
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return 0;
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Asn1OctetStringParser s = (Asn1OctetStringParser)_parser.ReadObject();
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if (s == null)
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return 0;
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_first = false;
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_currentStream = s.GetOctetStream();
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}
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for (;;)
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{
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int b = _currentStream.ReadByte();
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if (b >= 0)
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{
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return b;
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}
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Asn1OctetStringParser aos = (Asn1OctetStringParser)_parser.ReadObject();
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if (aos == null)
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{
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_currentStream = null;
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return -1;
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}
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_currentStream = aos.GetOctetStream();
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}
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}
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}
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}
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#pragma warning restore
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#endif
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