Private/Test-TppIdentityFormat.ps1
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function Test-TppIdentityFormat { <# .SYNOPSIS Validate identity formats .DESCRIPTION Validate the format for identities prefixed name, prefixed universal, and local. As these formats are often interchangeable with api calls, you can validate multiple formats at once. By default, prefixed name and prefixed universal will be validated. .PARAMETER Identity The identity string to be validated .PARAMETER Format Format to validate, Name, Universal, and/or Local. .EXAMPLE Test-TppIdentityFormat -ID "AD+BigSur:cypher" Test the identity against all formats. This would succeed for Name, but fail on Universal .EXAMPLE Test-TppIdentityFormat -ID "AD+BigSur:cypher" -Format Name Test the identity against a specific format. #> [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName)] [string] $ID, [Parameter()] [ValidateSet('Name', 'Universal', 'Domain', 'Local')] [string] $Format ) begin { $domainProviderRegex = '(?im)^(AD|LDAP)\+.+:' $localProviderRegex = '(?im)^local:' $nameRegex = '.+$' $universalRegex = '\{?([0-9A-F]{8}[-]?(?:[0-9A-F]{4}[-]?){3}[0-9A-F]{12})\}?$' } process { switch ( $Format ) { 'Name' { $ID -match ($domainProviderRegex + $nameRegex) -or $ID -match ($localProviderRegex + $nameRegex) } 'Universal' { $ID -match ($domainProviderRegex + $universalRegex) -or $ID -match ($localProviderRegex + $universalRegex) } 'Domain' { $ID -match ($domainProviderRegex + $universalRegex) -or $ID -match ($domainProviderRegex + $nameRegex) } 'Local' { $ID -match ($localProviderRegex + $universalRegex) -or $ID -match ($localProviderRegex + $nameRegex) } default { $ID -match ($domainProviderRegex + $universalRegex) -or $ID -match ($domainProviderRegex + $nameRegex) -or $ID -match ($localProviderRegex + $universalRegex) -or $ID -match ($localProviderRegex + $nameRegex) } } } } |