diff options
Diffstat (limited to 'Emby.Server.Implementations/Cryptography/X509Extension.cs')
| -rw-r--r-- | Emby.Server.Implementations/Cryptography/X509Extension.cs | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/Emby.Server.Implementations/Cryptography/X509Extension.cs b/Emby.Server.Implementations/Cryptography/X509Extension.cs deleted file mode 100644 index 36b17deba..000000000 --- a/Emby.Server.Implementations/Cryptography/X509Extension.cs +++ /dev/null @@ -1,208 +0,0 @@ -// -// X509Extension.cs: Base class for all X.509 extensions. -// -// Author: -// Sebastien Pouliot <sebastien@ximian.com> -// -// (C) 2003 Motus Technologies Inc. (http://www.motus.com) -// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com) -// -// Permission is hereby granted, free of charge, to any person obtaining -// a copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to -// permit persons to whom the Software is furnished to do so, subject to -// the following conditions: -// -// The above copyright notice and this permission notice shall be -// included in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE -// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION -// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -// - -using System; -using System.Globalization; -using System.Text; - -namespace Emby.Server.Core.Cryptography -{ - /* - * Extension ::= SEQUENCE { - * extnID OBJECT IDENTIFIER, - * critical BOOLEAN DEFAULT FALSE, - * extnValue OCTET STRING - * } - */ - public class X509Extension { - - protected string extnOid; - protected bool extnCritical; - protected ASN1 extnValue; - - protected X509Extension () - { - extnCritical = false; - } - - public X509Extension (ASN1 asn1) - { - if ((asn1.Tag != 0x30) || (asn1.Count < 2)) - throw new ArgumentException (("Invalid X.509 extension.")); - if (asn1[0].Tag != 0x06) - throw new ArgumentException (("Invalid X.509 extension.")); - - extnOid = ASN1Convert.ToOid (asn1[0]); - extnCritical = ((asn1[1].Tag == 0x01) && (asn1[1].Value[0] == 0xFF)); - // last element is an octet string which may need to be decoded - extnValue = asn1 [asn1.Count - 1]; - if ((extnValue.Tag == 0x04) && (extnValue.Length > 0) && (extnValue.Count == 0)) { - try { - ASN1 encapsulated = new ASN1 (extnValue.Value); - extnValue.Value = null; - extnValue.Add (encapsulated); - } - catch { - // data isn't ASN.1 - } - } - Decode (); - } - - public X509Extension (X509Extension extension) - { - if (extension == null) - throw new ArgumentNullException ("extension"); - if ((extension.Value == null) || (extension.Value.Tag != 0x04) || (extension.Value.Count != 1)) - throw new ArgumentException (("Invalid X.509 extension.")); - - extnOid = extension.Oid; - extnCritical = extension.Critical; - extnValue = extension.Value; - Decode (); - } - - // encode the extension *into* an OCTET STRING - protected virtual void Decode () - { - } - - // decode the extension from *inside* an OCTET STRING - protected virtual void Encode () - { - } - - public ASN1 ASN1 { - get { - ASN1 extension = new ASN1 (0x30); - extension.Add (ASN1Convert.FromOid (extnOid)); - if (extnCritical) - extension.Add (new ASN1 (0x01, new byte [1] { 0xFF })); - Encode (); - extension.Add (extnValue); - return extension; - } - } - - public string Oid { - get { return extnOid; } - } - - public bool Critical { - get { return extnCritical; } - set { extnCritical = value; } - } - - // this gets overrided with more meaningful names - public virtual string Name { - get { return extnOid; } - } - - public ASN1 Value { - get { - if (extnValue == null) { - Encode (); - } - return extnValue; - } - } - - public override bool Equals (object obj) - { - if (obj == null) - return false; - - X509Extension ex = (obj as X509Extension); - if (ex == null) - return false; - - if (extnCritical != ex.extnCritical) - return false; - if (extnOid != ex.extnOid) - return false; - if (extnValue.Length != ex.extnValue.Length) - return false; - - for (int i=0; i < extnValue.Length; i++) { - if (extnValue [i] != ex.extnValue [i]) - return false; - } - return true; - } - - public byte[] GetBytes () - { - return ASN1.GetBytes (); - } - - public override int GetHashCode () - { - // OID should be unique in a collection of extensions - return extnOid.GetHashCode (); - } - - private void WriteLine (StringBuilder sb, int n, int pos) - { - byte[] value = extnValue.Value; - int p = pos; - for (int j=0; j < 8; j++) { - if (j < n) { - sb.Append (value [p++].ToString ("X2", CultureInfo.InvariantCulture)); - sb.Append (" "); - } - else - sb.Append (" "); - } - sb.Append (" "); - p = pos; - for (int j=0; j < n; j++) { - byte b = value [p++]; - if (b < 0x20) - sb.Append ("."); - else - sb.Append (Convert.ToChar (b)); - } - sb.Append (Environment.NewLine); - } - - public override string ToString () - { - StringBuilder sb = new StringBuilder (); - int div = (extnValue.Length >> 3); - int rem = (extnValue.Length - (div << 3)); - int x = 0; - for (int i=0; i < div; i++) { - WriteLine (sb, 8, x); - x += 8; - } - WriteLine (sb, rem, x); - return sb.ToString (); - } - } -} |