internal/functions/Invoke-PreCredentialProvider.ps1
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function Invoke-PreCredentialProvider { <# .SYNOPSIS Resolves credentials to use using the registered credential provider. .DESCRIPTION Resolves credentials to use using the registered credential provider. .PARAMETER ProviderName Name of the credential provider to use. .PARAMETER Server The server to connect to. .PARAMETER Credential The credentials specified by the user. .PARAMETER Parameter The parameter object resolved from the original user input. .PARAMETER Cmdlet The $PSCmdlet object of the calling command. Used to kill it with maximum prejudice in case of error. .EXAMPLE PS C:\> $originalArgument = Invoke-PreCredentialProvider @parameters -ProviderName $CredentialProvider -Parameter $parameters Resolves the credentials to use and automatically injects them into the $parameters hashtable. Also returns the original input for use when invoking the PostScript scriptblock of the provider. #> [CmdletBinding()] param ( [string] $ProviderName, [PSFComputer] $Server, [AllowNull()] [PSCredential] $Credential, [Hashtable] $Parameter, [System.Management.Automation.PSCmdlet] $Cmdlet = $PSCmdlet ) if (-not $script:credentialProviders[$ProviderName]) { Stop-PSFFunction -String 'Invoke-PreCredentialProvider.Provider.NotFound' -StringValues $ProviderName -EnableException $true -Cmdlet $Cmdlet } $argument = [PSCustomObject]@{ Server = $Server Credential = $Credential } try { $results = $script:credentialProviders[$ProviderName].PreScript.Invoke($argument) | Where-Object { $_ -is [PSCredential] } | Select-Object -First 1 } catch { Stop-PSFFunction -String 'Invoke-PreCredentialProvider.Provider.ExecutionError' -StringValues $ProviderName -EnableException $true -ErrorRecord $_ -Cmdlet $Cmdlet } if ($results) { $Parameter['Credential'] = $results } elseif ($Parameter.ContainsKey('Credential')) { $Parameter.Remove('Credential') } return $argument } |