Test-Credential

1.2

Test-Credential.ps1

<#PSScriptInfo
.DESCRIPTION
    Simulates an Authentication Request in a Domain envrionment using a PSCredential Object. Returns $true if both Username and Password pair are valid.
.VERSION
    1.2
.GUID
    6a18515f-73d3-4fb4-884f-412395aa5054
.AUTHOR
    Thomas Malkewitz @dotps1
.TAGS
    PSCredential
.RELEASENOTES
    Corrected Parameter Type for -Credential to properly support pipeline input.
#>

[OutputType([Bool])]
    
Param (
    [Parameter(
        Mandatory = $true,
        ValueFromPipeLine = $true,
        ValueFromPipelineByPropertyName = $true
    )]
    [Alias(
        'PSCredential'
    )]
    [ValidateNotNull()]
    [System.Management.Automation.PSCredential]
    [System.Management.Automation.Credential()]
    $Credential = [System.Management.Automation.PSCredential]::Empty,

    [Parameter()]
    [String]
    $Domain = $env:USERDOMAIN
)

Begin {
    [void][System.Reflection.Assembly]::LoadWithPartialName("System.DirectoryServices.AccountManagement")
    $principalContext = New-Object System.DirectoryServices.AccountManagement.PrincipalContext([System.DirectoryServices.AccountManagement.ContextType]::Domain, $Domain)
}

Process {
    $networkCredetial = $Credential.GetNetworkCredential()
    return $principalContext.ValidateCredentials($networkCredetial.UserName, $networkCredetial.Password)
}

End {
    $principalContext.Dispose()
}