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//
// System.ComponentModel.Design.RuntimeLicenseContext.cs
//
// Authors:
// Ivan Hamilton (ivan@chimerical.com.au)
// Martin Willemoes Hansen (mwh@sysrq.dk)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
// Carlo Kok (ck@remobjects.com)
//
// (C) 2004 Ivan Hamilton
// (C) 2003 Martin Willemoes Hansen
// (C) 2003 Andreas Nahr
// (C) 2009 Carlo Kok
//
//
// 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.ComponentModel;
using System.Reflection;
using System.Collections;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
namespace System.ComponentModel.Design
{
internal class RuntimeLicenseContext : LicenseContext
{
private Hashtable extraassemblies;
private Hashtable keys;
public RuntimeLicenseContext () : base ()
{
}
void LoadKeys ()
{
if (keys != null)
return;
keys = new Hashtable ();
Assembly asm = Assembly.GetEntryAssembly ();
if (asm != null)
LoadAssemblyLicenses (keys, asm);
else {
foreach (Assembly asmnode in AppDomain.CurrentDomain.GetAssemblies ()) {
LoadAssemblyLicenses (keys, asmnode);
}
}
}
void LoadAssemblyLicenses (Hashtable targetkeys, Assembly asm)
{
if (asm is System.Reflection.Emit.AssemblyBuilder) return;
string asmname = Path.GetFileName (asm.Location);
string resourcename = asmname + ".licenses";
try {
foreach (string name in asm.GetManifestResourceNames ()) {
if (name != resourcename)
continue;
using (Stream stream = asm.GetManifestResourceStream (name)) {
BinaryFormatter formatter = new BinaryFormatter ();
object[] res = formatter.Deserialize (stream) as object[];
if (String.Compare ((string) res[0], asmname, true) == 0) {
Hashtable table = (Hashtable) res[1];
foreach (DictionaryEntry et in table)
targetkeys.Add (et.Key, et.Value);
}
}
}
} catch (InvalidCastException) {
}
}
public override string GetSavedLicenseKey (Type type, Assembly resourceAssembly)
{
if (type == null)
throw new ArgumentNullException ("type");
if (resourceAssembly != null) {
if (extraassemblies == null)
extraassemblies = new Hashtable ();
Hashtable ht = extraassemblies [resourceAssembly.FullName] as Hashtable;
if (ht == null) {
ht = new Hashtable ();
LoadAssemblyLicenses (ht, resourceAssembly);
extraassemblies [resourceAssembly.FullName] = ht;
}
return (string) ht [type.AssemblyQualifiedName];
}
LoadKeys ();
return (string) keys [type.AssemblyQualifiedName];
}
public override void SetSavedLicenseKey (Type type, string key)
{
if (type == null)
throw new ArgumentNullException ("type");
LoadKeys ();
keys [type.AssemblyQualifiedName] = key;
}
}
}
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