中等信任一瞥

Question

有没有办法让Glimpse在Medium Trust中工作？

如果我在我的web.config中设置了<glimpse enabled="true"/>，我会得到一个安全异常：

   [SecurityException: Request failed.]
   System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0
   System.Security.CodeAccessSecurityEngine.Check(PermissionSet permSet, StackCrawlMark& stackMark) +31
   System.Security.PermissionSet.Demand() +68
   System.Security.CodeAccessSecurityEngine.CheckGrantSetHelper(PermissionSet grantSet) +57
   System.Reflection.Emit.AssemblyBuilder.nCreateDynamicAssembly(AppDomain domain, AssemblyName name, Evidence identity, StackCrawlMark& stackMark, PermissionSet requiredPermissions, PermissionSet optionalPermissions, PermissionSet refusedPermissions, Byte[] securityRulesBlob, Byte[] aptcaBlob, AssemblyBuilderAccess access, DynamicAssemblyFlags flags, SecurityContextSource securityContextSource) +0
   System.Reflection.Emit.AssemblyBuilder..ctor(AppDomain domain, AssemblyName name, AssemblyBuilderAccess access, String dir, Evidence evidence, PermissionSet requiredPermissions, PermissionSet optionalPermissions, PermissionSet refusedPermissions, StackCrawlMark& stackMark, IEnumerable`1 unsafeAssemblyAttributes, SecurityContextSource securityContextSource) +198
   System.Reflection.Emit.AssemblyBuilder.InternalDefineDynamicAssembly(AssemblyName name, AssemblyBuilderAccess access, String dir, Evidence evidence, PermissionSet requiredPermissions, PermissionSet optionalPermissions, PermissionSet refusedPermissions, StackCrawlMark& stackMark, IEnumerable`1 unsafeAssemblyAttributes, SecurityContextSource securityContextSource) +125
   System.AppDomain.InternalDefineDynamicAssembly(AssemblyName name, AssemblyBuilderAccess access, String dir, Evidence evidence, PermissionSet requiredPermissions, PermissionSet optionalPermissions, PermissionSet refusedPermissions, StackCrawlMark& stackMark, IEnumerable`1 assemblyAttributes, SecurityContextSource securityContextSource) +43
   System.AppDomain.DefineDynamicAssembly(AssemblyName name, AssemblyBuilderAccess access) +42
   System.ComponentModel.Composition.MetadataViewGenerator..cctor() +257

据我所知，这个错误与here描述的错误类似。基本上，当应用程序在Medium Trust中运行时，MEF不能完成其填充实现特定接口的元数据实例的技巧。

Answer 1

不幸的是，目前Glimpse需要完全信任，你可以向他们提交enhancement request，大多数功能也应该在中等信任中可用。