106 lines
2.6 KiB
C#
106 lines
2.6 KiB
C#
//
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// System.ComponentModel.LicFileLicenseProvider.cs
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//
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// Authors:
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// Martin Willemoes Hansen (mwh@sysrq.dk)
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// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
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// Lluis Sanchez Gual (lluis@ximian.com)
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//
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// (C) 2003 Martin Willemoes Hansen
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// (C) 2003 Andreas Nahr
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.IO;
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namespace System.ComponentModel
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{
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public class LicFileLicenseProvider : LicenseProvider
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{
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public LicFileLicenseProvider()
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{
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}
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public override License GetLicense (LicenseContext context,
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Type type,
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object instance,
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bool allowExceptions)
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{
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try
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{
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if (context == null || context.UsageMode != LicenseUsageMode.Designtime)
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return null;
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string path = Path.GetDirectoryName (type.Assembly.Location);
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path = Path.Combine (path, type.FullName + ".LIC");
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if (!File.Exists (path)) return null;
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StreamReader sr = new StreamReader (path);
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string key = sr.ReadLine ();
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sr.Close ();
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if (IsKeyValid (key, type))
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return new LicFileLicense (key);
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}
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catch
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{
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if (allowExceptions) throw;
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}
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return null;
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}
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protected virtual string GetKey (Type type)
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{
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return (type.FullName + " is a licensed component.");
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}
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protected virtual bool IsKeyValid (string key, Type type)
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{
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if (key == null)
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return false;
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return key.Equals (GetKey (type));
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}
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}
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internal class LicFileLicense: License
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{
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string _key;
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public LicFileLicense (string key)
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{
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_key = key;
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}
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public override string LicenseKey
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{
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get { return _key; }
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}
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public override void Dispose ()
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{
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}
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}
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}
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