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Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/tls/ServerName.cs

@@ -0,0 +1,67 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using System.IO;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Tls
+{
+    /// <summary>RFC 6066 3. Server Name Indication</summary>
+    /// <remarks>
+    /// Current implementation uses this guidance: "For backward compatibility, all future data structures associated
+    /// with new NameTypes MUST begin with a 16-bit length field. TLS MAY treat provided server names as opaque data
+    /// and pass the names and types to the application.". RFC 6066 specifies ASCII encoding for host_name (possibly
+    /// using A-labels for IDNs), but note that the previous version (RFC 4366) specified UTF-8 encoding (see RFC 6066
+    /// Appendix A). For maximum compatibility, it is recommended that client code tolerate receiving UTF-8 from the
+    /// peer, but only generate ASCII itself.
+    /// </remarks>
+    public sealed class ServerName
+    {
+        private readonly short nameType;
+        private readonly byte[] nameData;
+
+        public ServerName(short nameType, byte[] nameData)
+        {
+            if (!TlsUtilities.IsValidUint8(nameType))
+                throw new ArgumentException("must be from 0 to 255", "nameType");
+            if (null == nameData)
+                throw new ArgumentNullException("nameData");
+            if (nameData.Length < 1 || !TlsUtilities.IsValidUint16(nameData.Length))
+                throw new ArgumentException("must have length from 1 to 65535", "nameData");
+
+            this.nameType = nameType;
+            this.nameData = nameData;
+        }
+
+        public byte[] NameData
+        {
+            get { return nameData; }
+        }
+
+        public short NameType
+        {
+            get { return nameType; }
+        }
+
+        /// <summary>Encode this <see cref="ServerName"/> to a <see cref="Stream"/>.</summary>
+        /// <param name="output">the <see cref="Stream"/> to encode to.</param>
+        /// <exception cref="IOException"/>
+        public void Encode(Stream output)
+        {
+            TlsUtilities.WriteUint8(nameType, output);
+            TlsUtilities.WriteOpaque16(nameData, output);
+        }
+
+        /// <summary>Parse a <see cref="ServerName"/> from a <see cref="Stream"/>.</summary>
+        /// <param name="input">the <see cref="Stream"/> to parse from.</param>
+        /// <returns>a <see cref="ServerName"/> object.</returns>
+        /// <exception cref="IOException"/>
+        public static ServerName Parse(Stream input)
+        {
+            short name_type = TlsUtilities.ReadUint8(input);
+            byte[] nameData = TlsUtilities.ReadOpaque16(input, 1);
+            return new ServerName(name_type, nameData);
+        }
+    }
+}
+#pragma warning restore
+#endif