summary refs log tree commit diff
path: root/crypto/src/tls/TlsStream.cs
blob: d7d79a6fab2db14eee4f98339bc426ef37cd36c9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;

using Org.BouncyCastle.Utilities.IO;

namespace Org.BouncyCastle.Tls
{
    internal class TlsStream
        : Stream
    {
        private readonly TlsProtocol m_handler;

        internal TlsStream(TlsProtocol handler)
        {
            m_handler = handler;
        }

        public override bool CanRead
        {
            get { return true; }
        }

        public override bool CanSeek
        {
            get { return false; }
        }

        public override bool CanWrite
        {
            get { return true; }
        }

#if NETCOREAPP2_0_OR_GREATER || NETSTANDARD2_1_OR_GREATER
        public override void CopyTo(Stream destination, int bufferSize)
        {
            Streams.CopyTo(this, destination, bufferSize);
        }
#endif

        public override Task CopyToAsync(Stream destination, int bufferSize, CancellationToken cancellationToken)
        {
            return Streams.CopyToAsync(this, destination, bufferSize, cancellationToken);
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                m_handler.Close();
            }
            base.Dispose(disposing);
        }

        public override void Flush()
        {
            m_handler.Flush();
        }

        public override long Length
        {
            get { throw new NotSupportedException(); }
        }

        public override long Position
        {
            get { throw new NotSupportedException(); }
            set { throw new NotSupportedException(); }
        }

        public override int Read(byte[] buffer, int offset, int count)
        {
            return m_handler.ReadApplicationData(buffer, offset, count);
        }

#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
        public override int Read(Span<byte> buffer)
        {
            return m_handler.ReadApplicationData(buffer);
        }

        public override ValueTask<int> ReadAsync(Memory<byte> buffer, CancellationToken cancellationToken = default)
        {
            return Streams.ReadAsync(this, buffer, cancellationToken);
        }
#endif

        public override int ReadByte()
        {
            byte[] buf = new byte[1];
            int ret = m_handler.ReadApplicationData(buf, 0, 1);
            return ret <= 0 ? -1 : buf[0];
        }

        public override long Seek(long offset, SeekOrigin origin)
        {
            throw new NotSupportedException();
        }

        public override void SetLength(long value)
        {
            throw new NotSupportedException();
        }

        public override void Write(byte[] buffer, int offset, int count)
        {
            m_handler.WriteApplicationData(buffer, offset, count);
        }

#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
        public override void Write(ReadOnlySpan<byte> buffer)
        {
            m_handler.WriteApplicationData(buffer);
        }

        public override ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, CancellationToken cancellationToken = default)
        {
            return Streams.WriteAsync(this, buffer, cancellationToken);
        }
#endif

        public override void WriteByte(byte value)
        {
            m_handler.WriteApplicationData(new byte[]{ value }, 0, 1);
        }
    }
}