C# IPermission类代码示例

 internal static SecurityElement CreatePermissionElement(IPermission perm, string permname)
 {
     SecurityElement element = new SecurityElement("IPermission");
     XMLUtil.AddClassAttribute(element, perm.GetType(), permname);
     element.AddAttribute("version", "1");
     return element;
 }

 [System.Security.SecurityCritical]  // auto-generated
 private static bool FrameDescHelper(FrameSecurityDescriptor secDesc,
                                        IPermission demandIn, 
                                        PermissionToken permToken,
                                        RuntimeMethodHandleInternal rmh)
 {
     return secDesc.CheckDemand((CodeAccessPermission) demandIn, permToken, rmh);
 }

 public RoleUserController(IRoleUser repoRoleUser
     , IRole repoRole, IPermission repoPer)
 {
     dalRoleUser = repoRoleUser;
     dalRole = repoRole;
     dalPermission = repoPer;
 }

 public override bool IsSubsetOf(IPermission target)
 {
     bool flag;
     if (target == null)
     {
         return !this.unrestricted;
     }
     try
     {
         DistributedTransactionPermission permission = (DistributedTransactionPermission) target;
         if (!this.unrestricted)
         {
             return true;
         }
         if (permission.unrestricted)
         {
             return true;
         }
         flag = false;
     }
     catch (InvalidCastException)
     {
         throw new ArgumentException(System.Transactions.SR.GetString("ArgumentWrongType"), "target");
     }
     return flag;
 }

        public TestBase()
        {
            var builder = new ContainerBuilder();
               builder.RegisterType<DatabaseFactory>().As<IDatabaseFactory>().InstancePerLifetimeScope();
               builder.RegisterType<UnityOfWork>().As<IUnitOfWork>();

               builder.RegisterType<ContactRepostory>().AsImplementedInterfaces();
               builder.RegisterType<ContactServices>().AsImplementedInterfaces();
               builder.RegisterType<ProductRepository>().AsImplementedInterfaces();
               builder.RegisterType<LodgingRepository>().AsImplementedInterfaces();
               builder.RegisterType<ResortRepository>().AsImplementedInterfaces();

               builder.RegisterType<ProductService>().AsImplementedInterfaces();
               builder.RegisterType<LodgingService>().AsImplementedInterfaces();
               builder.RegisterType<ResortService>().AsImplementedInterfaces();

               #region 权限
               builder.RegisterType<PermissionModuleRepository>().AsImplementedInterfaces();
               builder.RegisterType<PermissionRoleRepository>().AsImplementedInterfaces();
               builder.RegisterType<PermissionReRoleModuleRepostory>().AsImplementedInterfaces();
               builder.RegisterType<PermissionSvc>().AsImplementedInterfaces();
               #endregion
               container= builder.Build();
               this.unitOfWork = container.Resolve<IUnitOfWork>();
               this.contact=container.Resolve<IContact>();
               this.productsvc=container.Resolve<IProduct>();
               this.resortSvc = container.Resolve<IResort>();
               this.lodgingsvc = container.Resolve<ILodging>();
               this.permissionSvc = container.Resolve<IPermission>();
             //  StartUp();
        }

	// Determine if a specific permission has been granted.
	public static bool IsGranted(IPermission perm)
			{
				// Bail out if the requested permission is null.
				if(perm == null)
				{
					return true;
				}

				// Get the current permission state.
				ClrPermissions current = ClrSecurity.GetPermissionsFrom(1);
				if(current == null)
				{
					// Null is equivalent to "unrestricted".
					return true;
				}

				// Build a permission set with just this permission.
				PermissionSet set = new PermissionSet(PermissionState.None);
				set.AddPermission(perm);

				// If "PermitOnly" is set, then only check that set.
				if(current.permitOnly != null)
				{
					return set.IsSubsetOf(current.permitOnly);
				}

				// The permission must be granted, but not denied.
				if(!set.IsSubsetOf(current.granted) ||
				   set.IsSubsetOf(current.denied))
				{
					return false;
				}
				return true;
			}

 public override IPermission Intersect(IPermission target)
 {
     if (target == null)
     {
         return null;
     }
     if (!base.VerifyType(target))
     {
         throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", new object[] { base.GetType().FullName }));
     }
     SecurityPermission permission = (SecurityPermission) target;
     SecurityPermissionFlag noFlags = SecurityPermissionFlag.NoFlags;
     if (permission.IsUnrestricted())
     {
         if (this.IsUnrestricted())
         {
             return new SecurityPermission(PermissionState.Unrestricted);
         }
         noFlags = this.m_flags;
     }
     else if (this.IsUnrestricted())
     {
         noFlags = permission.m_flags;
     }
     else
     {
         noFlags = this.m_flags & permission.m_flags;
     }
     if (noFlags == SecurityPermissionFlag.NoFlags)
     {
         return null;
     }
     return new SecurityPermission(noFlags);
 }

      public override IPermission Intersect(IPermission target)
      {
          if (target == null)
              return null;

          return this.Copy();
      }

     //------------------------------------------------------
     //
     // IPERMISSION IMPLEMENTATION
     //
     //------------------------------------------------------
     
     public override IPermission Union(IPermission target)
     {
         if (target == null)
         {
             return this.Copy();
         }
         else if (!VerifyType(target))
         {
             throw new 
                 ArgumentException(
                                 Environment.GetResourceString("Argument_WrongType", this.GetType().FullName)
                                  );
         }
         
         IsolatedStorageFilePermission operand = (IsolatedStorageFilePermission)target;
 
         if (this.IsUnrestricted() || operand.IsUnrestricted()) 
         {
             return new IsolatedStorageFilePermission( PermissionState.Unrestricted );
         }
         else
         {
             IsolatedStorageFilePermission union;
             union = new IsolatedStorageFilePermission( PermissionState.None );
             union.m_userQuota = max(m_userQuota,operand.m_userQuota);   
             union.m_machineQuota = max(m_machineQuota,operand.m_machineQuota);  
             union.m_expirationDays = max(m_expirationDays,operand.m_expirationDays);    
             union.m_permanentData = m_permanentData || operand.m_permanentData; 
             union.m_allowed = (IsolatedStorageContainment)max((long)m_allowed,(long)operand.m_allowed); 
             return union;
         }
     }   

 public override bool IsSubsetOf(IPermission target)
 {
     bool flag;
     if (target == null)
     {
         return (this.access == FileDialogPermissionAccess.None);
     }
     try
     {
         FileDialogPermission permission = (FileDialogPermission) target;
         if (permission.IsUnrestricted())
         {
             return true;
         }
         if (this.IsUnrestricted())
         {
             return false;
         }
         int num = ((int) this.access) & 1;
         int num2 = ((int) this.access) & 2;
         int num3 = ((int) permission.Access) & 1;
         int num4 = ((int) permission.Access) & 2;
         flag = (num <= num3) && (num2 <= num4);
     }
     catch (InvalidCastException)
     {
         throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", new object[] { base.GetType().FullName }));
     }
     return flag;
 }

        public override bool IsSubsetOf(IPermission target)
        {
            if (target == null)
            {
                return ((m_userQuota == 0) &&
                        (m_machineQuota == 0) &&
                        (m_expirationDays == 0) &&
                        (m_permanentData == false) &&
                        (m_allowed == IsolatedStorageContainment.None));
            }

            try
            {
                IsolatedStorageFilePermission operand = (IsolatedStorageFilePermission)target;

                if (operand.IsUnrestricted())
                    return true;

                return ((operand.m_userQuota >= m_userQuota) &&
                        (operand.m_machineQuota >= m_machineQuota) &&
                        (operand.m_expirationDays >= m_expirationDays) &&
                        (operand.m_permanentData || !m_permanentData) &&
                        (operand.m_allowed >= m_allowed));
            }
            catch (InvalidCastException)
            {
                throw new 
                    ArgumentException(
                                    Environment.GetResourceString("Argument_WrongType", this.GetType().FullName)
                                     );
            }                

        }

 public override IPermission Intersect(IPermission target)
 {
     if (target == null)
     {
         return null;
     }
     if (!base.VerifyType(target))
     {
         throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", new object[] { base.GetType().FullName }));
     }
     IsolatedStorageFilePermission permission = (IsolatedStorageFilePermission) target;
     if (permission.IsUnrestricted())
     {
         return this.Copy();
     }
     if (base.IsUnrestricted())
     {
         return target.Copy();
     }
     IsolatedStorageFilePermission permission2 = new IsolatedStorageFilePermission(PermissionState.None) {
         m_userQuota = IsolatedStoragePermission.min(base.m_userQuota, permission.m_userQuota),
         m_machineQuota = IsolatedStoragePermission.min(base.m_machineQuota, permission.m_machineQuota),
         m_expirationDays = IsolatedStoragePermission.min(base.m_expirationDays, permission.m_expirationDays),
         m_permanentData = base.m_permanentData && permission.m_permanentData,
         m_allowed = (IsolatedStorageContainment) ((int) IsolatedStoragePermission.min((long) base.m_allowed, (long) permission.m_allowed))
     };
     if ((((permission2.m_userQuota == 0L) && (permission2.m_machineQuota == 0L)) && ((permission2.m_expirationDays == 0L) && !permission2.m_permanentData)) && (permission2.m_allowed == IsolatedStorageContainment.None))
     {
         return null;
     }
     return permission2;
 }

        public override IPermission Intersect(IPermission target)
        {
            //If nothing was passed, return null.
            if (null == target)
            {
                return null;
            }
            try
            {
                //Create a new instance of RobocodeInternalPermission from the passed object.
                var PassedPermission = (RobocodeInternalPermission) target;

                //If one class has an unrestricted value of false, then the
                //intersection will have an unrestricted value of false.
                //Return the passed class with the unrestricted value of false.
                if (!PassedPermission.unrestricted)
                {
                    return target;
                }
                //Return a copy of the current class if the passed one has
                //an unrestricted value of true.
                return Copy();
            }
                //Catch an InvalidCastException.
                //Throw ArgumentException to notify the user.
            catch (InvalidCastException)
            {
                throw new ArgumentException("Argument_WrongType", GetType().FullName);
            }
        }

		// IBuiltInPermission is internal but we can test it's values
		// using reflection.
		private int GetTokenIndex (IPermission p)
		{
			Type t = p.GetType ();
			int result = (int) t.InvokeMember ("System.Security.Permissions.IBuiltInPermission.GetTokenIndex", 
				BindingFlags.InvokeMethod | BindingFlags.NonPublic |  BindingFlags.Instance,
				null, p, null);
			return result;
		}

 public override IPermission Intersect(IPermission target) 
 { 
     if (target == null)
         return null; 
     if (!(target is GacIdentityPermission))
         throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName));
     return this.Copy();
 }