mcs/class/corlib/System.Reflection/AssemblyName.cs

   1 //
   2 // System.Reflection/AssemblyName.cs
   3 //
   4 // Authors:
   5 //      Paolo Molaro (lupus@ximian.com)
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // (C) 2001 Ximian, Inc.  http://www.ximian.com
   9 // Portions (C) 2002 Motus Technologies Inc. (http://www.motus.com)
  10 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.Configuration.Assemblies;
  33 using System.Globalization;
  34 using System.Runtime.Serialization;
  35 using System.Security.Cryptography;
  36 using System.Security.Permissions;
  37 using System.Text;
  38 using System.Runtime.InteropServices;
  39 using System.Runtime.CompilerServices;
  40
  41 using Mono.Security;
  42
  43 namespace System.Reflection {
  44
  45 // References:
  46 // a.   Uniform Resource Identifiers (URI): Generic Syntax
  47 //      http://www.ietf.org/rfc/rfc2396.txt
  48
  49 #if NET_2_0
  50         [ComVisible (true)]
  51         [ComDefaultInterfaceAttribute (typeof (_AssemblyName))]
  52 #endif
  53         [Serializable]
  54         [ClassInterfaceAttribute (ClassInterfaceType.None)]
  55         [MonoTODO ("Fix serialization compatibility with MS.NET")]
  56         public sealed class AssemblyName  : ICloneable, ISerializable, IDeserializationCallback, _AssemblyName {
  57
  58                 #region Synch with object-internals.h
  59                 string name;
  60                 string codebase;
  61                 int major, minor, build, revision;
  62                 CultureInfo cultureinfo;
  63                 AssemblyNameFlags flags;
  64                 AssemblyHashAlgorithm hashalg;
  65                 StrongNameKeyPair keypair;
  66                 byte[] publicKey;
  67                 byte[] keyToken;
  68                 AssemblyVersionCompatibility versioncompat;
  69                 Version version;
  70 #if NET_2_0
  71                 ProcessorArchitecture processor_architecture;
  72 #else
  73                 int processor_architecture;
  74 #endif
  75         #endregion
  76
  77                 public AssemblyName ()
  78                 {
  79                         // defaults
  80                         versioncompat = AssemblyVersionCompatibility.SameMachine;
  81                 }
  82
  83 #if NET_2_0
  84                 public AssemblyName (string assemblyName)
  85                 {
  86                         name = assemblyName;
  87                 }
  88
  89                 [MonoTODO]
  90                 public ProcessorArchitecture ProcessorArchitecture {
  91                         get {
  92                                 return processor_architecture;
  93                         }
  94                         set {
  95                                 processor_architecture = value;
  96                         }
  97                 }
  98 #endif
  99
 100                 internal AssemblyName (SerializationInfo si, StreamingContext sc)
 101                 {
 102                         name = si.GetString ("_Name");
 103                         codebase = si.GetString ("_CodeBase");
 104                         version = (Version)si.GetValue ("_Version", typeof (Version));
 105                         publicKey = (byte[])si.GetValue ("_PublicKey", typeof (byte[]));
 106                         keyToken = (byte[])si.GetValue ("_PublicKeyToken", typeof (byte[]));
 107                         hashalg = (AssemblyHashAlgorithm)si.GetValue ("_HashAlgorithm", typeof (AssemblyHashAlgorithm));
 108                         keypair = (StrongNameKeyPair)si.GetValue ("_StrongNameKeyPair", typeof (StrongNameKeyPair));
 109                         versioncompat = (AssemblyVersionCompatibility)si.GetValue ("_VersionCompatibility", typeof (AssemblyVersionCompatibility));
 110                         flags = (AssemblyNameFlags)si.GetValue ("_Flags", typeof (AssemblyNameFlags));
 111                         int lcid = si.GetInt32 ("_CultureInfo");
 112                         if (lcid != -1) cultureinfo = new CultureInfo (lcid);
 113                 }
 114
 115                 public string Name {
 116                         get { return name; }
 117                         set { name = value; }
 118                 }
 119
 120                 public string CodeBase {
 121                         get { return codebase; }
 122                         set { codebase = value; }
 123                 }
 124
 125                 public string EscapedCodeBase {
 126                         get {
 127                                 if (codebase == null)
 128                                         return null;
 129                                 return Uri.EscapeString (codebase, false, true, true);
 130                         }
 131                 }
 132
 133                 public CultureInfo CultureInfo {
 134                         get { return cultureinfo; }
 135                         set { cultureinfo = value; }
 136                 }
 137
 138                 public AssemblyNameFlags Flags {
 139                         get { return flags; }
 140                         set { flags = value; }
 141                 }
 142
 143                 public string FullName {
 144                         get {
 145                                 if (name == null)
 146                                         return null;
 147                                 StringBuilder fname = new StringBuilder ();
 148                                 fname.Append (name);
 149                                 if (Version != null) {
 150                                         fname.Append (", Version=");
 151                                         fname.Append (Version.ToString ());
 152                                 }
 153                                 if (cultureinfo != null) {
 154                                         fname.Append (", Culture=");
 155                                         if (cultureinfo.LCID == CultureInfo.InvariantCulture.LCID)
 156                                                 fname.Append ("neutral");
 157                                         else
 158                                                 fname.Append (cultureinfo.Name);
 159                                 }
 160                                 byte[] pub_tok = GetPublicKeyToken ();
 161                                 if (pub_tok != null) {
 162                                         if (pub_tok.Length == 0)
 163                                                 fname.Append (", PublicKeyToken=null");
 164                                         else {
 165                                                 fname.Append (", PublicKeyToken=");
 166                                                 for (int i = 0; i < pub_tok.Length; i++)
 167                                                         fname.Append (pub_tok[i].ToString ("x2"));
 168                                         }
 169                                 }
 170                                 return fname.ToString ();
 171                         }
 172                 }
 173
 174                 public AssemblyHashAlgorithm HashAlgorithm {
 175                         get { return hashalg; }
 176                         set { hashalg = value; }
 177                 }
 178
 179                 public StrongNameKeyPair KeyPair {
 180                         get { return keypair; }
 181                         set { keypair = value; }
 182                 }
 183
 184                 public Version Version {
 185                         get {
 186                                 return version;
 187                         }
 188
 189                         set {
 190                                 version = value;
 191                                 if (value == null)
 192                                         major = minor = build = revision = 0;
 193                                 else {
 194                                         major = value.Major;
 195                                         minor = value.Minor;
 196                                         build = value.Build;
 197                                         revision = value.Revision;
 198                                 }
 199                         }
 200                 }
 201
 202                 public AssemblyVersionCompatibility VersionCompatibility {
 203                         get { return versioncompat; }
 204                         set { versioncompat = value; }
 205                 }
 206
 207                 public override string ToString ()
 208                 {
 209                         string name = FullName;
 210                         return (name != null) ? name : base.ToString ();
 211                 }
 212
 213                 public byte[] GetPublicKey()
 214                 {
 215                         return publicKey;
 216                         // FIXME: In some cases MS implementation returns
 217                         // "new byte [0]" instead of null
 218                 }
 219
 220                 public byte[] GetPublicKeyToken()
 221                 {
 222                         if (keyToken != null)
 223                                 return keyToken;
 224                         else if (publicKey == null)
 225                                 return null;
 226                         else {
 227                                 HashAlgorithm ha = null;
 228                                 switch (hashalg) {
 229                                         case AssemblyHashAlgorithm.MD5:
 230                                                 ha = MD5.Create ();
 231                                                 break;
 232                                         default:
 233                                                 // None default to SHA1
 234                                                 ha = SHA1.Create ();
 235                                                 break;
 236                                 }
 237                                 byte[] hash = ha.ComputeHash (publicKey);
 238                                 // we need the last 8 bytes in reverse order
 239                                 keyToken = new byte [8];
 240                                 Array.Copy (hash, (hash.Length - 8), keyToken, 0, 8);
 241                                 Array.Reverse (keyToken, 0, 8);
 242                                 return keyToken;
 243                         }
 244                 }
 245
 246                 public void SetPublicKey (byte[] publicKey)
 247                 {
 248                         flags = AssemblyNameFlags.PublicKey;
 249                         this.publicKey = publicKey;
 250                 }
 251
 252                 public void SetPublicKeyToken (byte[] publicKeyToken)
 253                 {
 254                         keyToken = publicKeyToken;
 255                 }
 256
 257                 [SecurityPermission (SecurityAction.Demand, SerializationFormatter = true)]
 258                 public void GetObjectData (SerializationInfo info, StreamingContext context)
 259                 {
 260                         if (info == null)
 261                                 throw new ArgumentNullException ("info");
 262
 263                         info.AddValue ("_Name", name);
 264                         info.AddValue ("_PublicKey", publicKey);
 265                         info.AddValue ("_PublicKeyToken", keyToken);
 266                         info.AddValue ("_CultureInfo", cultureinfo != null ? cultureinfo.LCID : -1);
 267                         info.AddValue ("_CodeBase", codebase);
 268                         info.AddValue ("_Version", Version);
 269                         info.AddValue ("_HashAlgorithm", hashalg);
 270                         info.AddValue ("_HashAlgorithmForControl", AssemblyHashAlgorithm.None);
 271                         info.AddValue ("_StrongNameKeyPair", keypair);
 272                         info.AddValue ("_VersionCompatibility", versioncompat);
 273                         info.AddValue ("_Flags", flags);
 274                         info.AddValue ("_HashForControl", null);
 275                 }
 276
 277                 public object Clone()
 278                 {
 279                         AssemblyName an = new AssemblyName ();
 280                         an.name = name;
 281                         an.codebase = codebase;
 282                         an.major = major;
 283                         an.minor = minor;
 284                         an.build = build;
 285                         an.revision = revision;
 286                         an.version = version;
 287                         an.cultureinfo = cultureinfo;
 288                         an.flags = flags;
 289                         an.hashalg = hashalg;
 290                         an.keypair = keypair;
 291                         an.publicKey = publicKey;
 292                         an.keyToken = keyToken;
 293                         an.versioncompat = versioncompat;
 294                         return an;
 295                 }
 296
 297                 public void OnDeserialization (object sender)
 298                 {
 299                         Version = version;
 300                 }
 301
 302                 public static AssemblyName GetAssemblyName (string assemblyFile)
 303                 {
 304                         if (assemblyFile == null)
 305                                 throw new ArgumentNullException ("assemblyFile");
 306
 307                         AssemblyName aname = new AssemblyName ();
 308                         Assembly.InternalGetAssemblyName (System.IO.Path.GetFullPath (assemblyFile), aname);
 309                         return aname;
 310                 }
 311
 312 #if NET_1_1
 313                 void _AssemblyName.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
 314                 {
 315                         throw new NotImplementedException ();
 316                 }
 317
 318                 void _AssemblyName.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
 319                 {
 320                         throw new NotImplementedException ();
 321                 }
 322
 323                 void _AssemblyName.GetTypeInfoCount (out uint pcTInfo)
 324                 {
 325                         throw new NotImplementedException ();
 326                 }
 327
 328                 void _AssemblyName.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams,
 329                         IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
 330                 {
 331                         throw new NotImplementedException ();
 332                 }
 333 #endif
 334         }
 335 }