niko
72 lines
3.5 KiB
C#
72 lines
3.5 KiB
C#
using System;
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using System.IO;
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namespace System.ComponentModel
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{
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/// <summary>Provides an implementation of a <see cref="T:System.ComponentModel.LicenseProvider" />. The provider works in a similar fashion to the Microsoft .NET Framework standard licensing model.</summary>
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// Token: 0x0200009B RID: 155
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public class LicFileLicenseProvider : LicenseProvider
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{
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/// <summary>Returns a license for the instance of the component, if one is available.</summary>
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/// <returns>A valid <see cref="T:System.ComponentModel.License" />. If this method cannot find a valid <see cref="T:System.ComponentModel.License" /> or a valid <paramref name="context" /> parameter, it returns null.</returns>
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/// <param name="context">A <see cref="T:System.ComponentModel.LicenseContext" /> that specifies where you can use the licensed object. </param>
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/// <param name="type">A <see cref="T:System.Type" /> that represents the component requesting the <see cref="T:System.ComponentModel.License" />. </param>
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/// <param name="instance">An object that requests the <see cref="T:System.ComponentModel.License" />. </param>
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/// <param name="allowExceptions">true if a <see cref="T:System.ComponentModel.LicenseException" /> should be thrown when a component cannot be granted a license; otherwise, false. </param>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// </PermissionSet>
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// Token: 0x06000523 RID: 1315 RVA: 0x0000DB90 File Offset: 0x0000BD90
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public override License GetLicense(LicenseContext context, Type type, object instance, 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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{
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return null;
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}
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string text = Path.GetDirectoryName(type.Assembly.Location);
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text = Path.Combine(text, type.FullName + ".LIC");
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if (!File.Exists(text))
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{
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return null;
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}
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StreamReader streamReader = new StreamReader(text);
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string text2 = streamReader.ReadLine();
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streamReader.Close();
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if (this.IsKeyValid(text2, type))
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{
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return new LicFileLicense(text2);
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}
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}
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catch
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{
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if (allowExceptions)
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{
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throw;
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}
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}
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return null;
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}
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/// <summary>Returns a key for the specified type.</summary>
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/// <returns>A confirmation that the <paramref name="type" /> parameter is licensed.</returns>
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/// <param name="type">The object type to return the key. </param>
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// Token: 0x06000524 RID: 1316 RVA: 0x0000DC50 File Offset: 0x0000BE50
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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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/// <summary>Determines whether the key that the <see cref="M:System.ComponentModel.LicFileLicenseProvider.GetLicense(System.ComponentModel.LicenseContext,System.Type,System.Object,System.Boolean)" /> method retrieves is valid for the specified type.</summary>
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/// <returns>true if the key is a valid <see cref="P:System.ComponentModel.License.LicenseKey" /> for the specified type; otherwise, false.</returns>
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/// <param name="key">The <see cref="P:System.ComponentModel.License.LicenseKey" /> to check. </param>
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/// <param name="type">A <see cref="T:System.Type" /> that represents the component requesting the <see cref="T:System.ComponentModel.License" />. </param>
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// Token: 0x06000525 RID: 1317 RVA: 0x0000DC64 File Offset: 0x0000BE64
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protected virtual bool IsKeyValid(string key, Type type)
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{
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return key != null && key.Equals(this.GetKey(type));
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}
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}
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}
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