110 lines
3.2 KiB
C#
110 lines
3.2 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
|
|
#pragma warning disable
|
|
using System;
|
|
using System.IO;
|
|
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
|
|
|
|
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
|
|
{
|
|
public class ServerName
|
|
{
|
|
protected readonly byte mNameType;
|
|
protected readonly object mName;
|
|
|
|
public ServerName(byte nameType, object name)
|
|
{
|
|
if (!IsCorrectType(nameType, name))
|
|
throw new ArgumentException("not an instance of the correct type", "name");
|
|
|
|
this.mNameType = nameType;
|
|
this.mName = name;
|
|
}
|
|
|
|
public virtual byte NameType
|
|
{
|
|
get { return mNameType; }
|
|
}
|
|
|
|
public virtual object Name
|
|
{
|
|
get { return mName; }
|
|
}
|
|
|
|
public virtual string GetHostName()
|
|
{
|
|
if (!IsCorrectType(Tls.NameType.host_name, mName))
|
|
throw new InvalidOperationException("'name' is not a HostName string");
|
|
|
|
return (string)mName;
|
|
}
|
|
|
|
/**
|
|
* Encode this {@link ServerName} to a {@link Stream}.
|
|
*
|
|
* @param output
|
|
* the {@link Stream} to encode to.
|
|
* @throws IOException
|
|
*/
|
|
public virtual void Encode(Stream output)
|
|
{
|
|
TlsUtilities.WriteUint8(mNameType, output);
|
|
|
|
switch (mNameType)
|
|
{
|
|
case Tls.NameType.host_name:
|
|
byte[] asciiEncoding = Strings.ToAsciiByteArray((string)mName);
|
|
if (asciiEncoding.Length < 1)
|
|
throw new TlsFatalAlert(AlertDescription.internal_error);
|
|
TlsUtilities.WriteOpaque16(asciiEncoding, output);
|
|
break;
|
|
default:
|
|
throw new TlsFatalAlert(AlertDescription.internal_error);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse a {@link ServerName} from a {@link Stream}.
|
|
*
|
|
* @param input
|
|
* the {@link Stream} to parse from.
|
|
* @return a {@link ServerName} object.
|
|
* @throws IOException
|
|
*/
|
|
public static ServerName Parse(Stream input)
|
|
{
|
|
byte name_type = TlsUtilities.ReadUint8(input);
|
|
object name;
|
|
|
|
switch (name_type)
|
|
{
|
|
case Tls.NameType.host_name:
|
|
{
|
|
byte[] asciiEncoding = TlsUtilities.ReadOpaque16(input);
|
|
if (asciiEncoding.Length < 1)
|
|
throw new TlsFatalAlert(AlertDescription.decode_error);
|
|
name = Strings.FromAsciiByteArray(asciiEncoding);
|
|
break;
|
|
}
|
|
default:
|
|
throw new TlsFatalAlert(AlertDescription.decode_error);
|
|
}
|
|
|
|
return new ServerName(name_type, name);
|
|
}
|
|
|
|
protected static bool IsCorrectType(byte nameType, object name)
|
|
{
|
|
switch (nameType)
|
|
{
|
|
case Tls.NameType.host_name:
|
|
return name is string;
|
|
default:
|
|
throw new ArgumentException("unsupported NameType", "nameType");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#pragma warning restore
|
|
#endif
|