Functions/Get-IdentityPrincipalContext.ps1
# Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. function Get-IdentityPrincipalContext { <# .SYNOPSIS **INTERNAL.** Do not use. .DESCRIPTION **INTERNAL.** Do not use. .EXAMPLE **INTERNAL.** Do not use. #> [CmdletBinding()] [OutputType([DirectoryServices.AccountManagement.PrincipalContext])] param( [Parameter(Mandatory=$true)] [Carbon.Identity] # The identity whose principal context to get. $Identity ) Set-StrictMode -Version 'Latest' Use-CallerPreference -Cmdlet $PSCmdlet -Session $ExecutionContext.SessionState # First, check for a local match $machineCtx = New-Object 'DirectoryServices.AccountManagement.PrincipalContext' 'Machine',$env:COMPUTERNAME if( [DirectoryServices.AccountManagement.Principal]::FindByIdentity( $machineCtx, 'Sid', $Identity.Sid.Value ) ) { return $machineCtx } $domainCtx = New-Object 'DirectoryServices.AccountManagement.PrincipalContext' 'Domain',$Identity.Domain if( [DirectoryServices.AccountManagement.PRincipal]::FindByIdentity( $domainCtx, 'Sid', $Identity.Sid.Value ) ) { return $domainCtx } Write-Error -Message ('Unable to determine if principal ''{0}'' (SID: {1}; Type: {2}) is a machien or domain principal.' -f $Identity.FullName,$Identity.Sid.Value,$Identity.Type) } |