add all

Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/asn1/DerNumericString.cs

@@ -0,0 +1,197 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using System.IO;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Utilities;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1
+{
+    /**
+     * Der NumericString object - this is an ascii string of characters {0,1,2,3,4,5,6,7,8,9, }.
+     */
+    public class DerNumericString
+        : DerStringBase
+    {
+        internal class Meta : Asn1UniversalType
+        {
+            internal static readonly Asn1UniversalType Instance = new Meta();
+
+            private Meta() : base(typeof(DerNumericString), Asn1Tags.NumericString) {}
+
+            internal override Asn1Object FromImplicitPrimitive(DerOctetString octetString)
+            {
+                return CreatePrimitive(octetString.GetOctets());
+            }
+        }
+
+        /**
+         * return a numeric string from the passed in object
+         *
+         * @exception ArgumentException if the object cannot be converted.
+         */
+        public static DerNumericString GetInstance(object obj)
+        {
+            if (obj == null)
+                return null;
+
+            if (obj is DerNumericString derNumericString)
+                return derNumericString;
+
+            if (obj is IAsn1Convertible asn1Convertible)
+            {
+                Asn1Object asn1Object = asn1Convertible.ToAsn1Object();
+                if (asn1Object is DerNumericString converted)
+                    return converted;
+            }
+            else if (obj is byte[] bytes)
+            {
+                try
+                {
+                    return (DerNumericString)Meta.Instance.FromByteArray(bytes);
+                }
+                catch (IOException e)
+                {
+                    throw new ArgumentException("failed to construct numeric string from byte[]: " + e.Message);
+                }
+            }
+
+            throw new ArgumentException("illegal object in GetInstance: " + Org.BouncyCastle.Utilities.Platform.GetTypeName(obj));
+        }
+
+        /**
+         * return a numeric string from a tagged object.
+         *
+         * @param taggedObject the tagged object holding the object we want
+         * @param declaredExplicit true if the object is meant to be explicitly tagged false otherwise.
+         * @exception ArgumentException if the tagged object cannot be converted.
+         */
+        public static DerNumericString GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
+        {
+            return (DerNumericString)Meta.Instance.GetContextInstance(taggedObject, declaredExplicit);
+        }
+
+        private readonly byte[] m_contents;
+
+        public DerNumericString(string str)
+            : this(str, false)
+        {
+        }
+
+        /**
+		* Constructor with optional validation.
+		*
+		* @param string the base string to wrap.
+		* @param validate whether or not to check the string.
+		* @throws ArgumentException if validate is true and the string
+		* contains characters that should not be in a NumericString.
+		*/
+        public DerNumericString(string str, bool validate)
+        {
+            if (str == null)
+                throw new ArgumentNullException("str");
+            if (validate && !IsNumericString(str))
+                throw new ArgumentException("string contains illegal characters", "str");
+
+            m_contents = Strings.ToAsciiByteArray(str);
+        }
+
+        public DerNumericString(byte[] contents)
+            : this(contents, true)
+		{
+		}
+
+        internal DerNumericString(byte[] contents, bool clone)
+        {
+            if (null == contents)
+                throw new ArgumentNullException("contents");
+
+            m_contents = clone ? Arrays.Clone(contents) : contents;
+        }
+
+        public override string GetString()
+        {
+            return Strings.FromAsciiByteArray(m_contents);
+        }
+
+		public byte[] GetOctets()
+        {
+            return Arrays.Clone(m_contents);
+        }
+
+        internal override IAsn1Encoding GetEncoding(int encoding)
+        {
+            return new PrimitiveEncoding(Asn1Tags.Universal, Asn1Tags.NumericString, m_contents);
+        }
+
+        internal override IAsn1Encoding GetEncodingImplicit(int encoding, int tagClass, int tagNo)
+        {
+            return new PrimitiveEncoding(tagClass, tagNo, m_contents);
+        }
+
+        protected override bool Asn1Equals(Asn1Object asn1Object)
+		{
+			DerNumericString that = asn1Object as DerNumericString;
+            return null != that
+                && Arrays.AreEqual(this.m_contents, that.m_contents);
+        }
+
+        protected override int Asn1GetHashCode()
+        {
+            return Arrays.GetHashCode(m_contents);
+        }
+
+        /**
+		 * Return true if the string can be represented as a NumericString ('0'..'9', ' ')
+		 *
+		 * @param str string to validate.
+		 * @return true if numeric, fale otherwise.
+		 */
+        public static bool IsNumericString(string str)
+		{
+			foreach (char ch in str)
+			{
+				if (ch > 0x007f || (ch != ' ' && !char.IsDigit(ch)))
+					return false;
+			}
+
+			return true;
+		}
+
+        internal static bool IsNumericString(byte[] contents)
+        {
+            for (int i = 0; i < contents.Length; ++i)
+            {
+                switch (contents[i])
+                {
+                case 0x20:
+                case 0x30:
+                case 0x31:
+                case 0x32:
+                case 0x33:
+                case 0x34:
+                case 0x35:
+                case 0x36:
+                case 0x37:
+                case 0x38:
+                case 0x39:
+                    break;
+                default:
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        internal static DerNumericString CreatePrimitive(byte[] contents)
+        {
+            // TODO Validation - sort out exception types
+            //if (!IsNumericString(contents))
+
+            return new DerNumericString(contents, false);
+        }
+    }
+}
+#pragma warning restore
+#endif