resolve-uri

1.0

resolve-uri.ps1

<#PSScriptInfo
.VERSION 1.0
.GUID 52a3719b-0d47-402e-a538-9a1623be12f2
.AUTHOR Lee Holmes
.DESCRIPTION Resolve a URI to the URIs it redirects to
#>

<#
.Synopsis
   Resolve a URI to the URIs it redirects to
.EXAMPLE
   PS> Resolve-Uri https://bitly.is/1g3AhR6
    
   https://bitly.is/1g3AhR6
   https://bitly.com/
#>
param(
    ## The URI to resolve
    [Parameter(Mandatory, Position = 0)]
    $Uri
)

$ProgressPreference = "Ignore"
while($Uri)
{
    try
    {
        $Uri

        $null = Invoke-Webrequest $Uri -UseBasicParsing -MaximumRedirection 0
        $Uri = $null
    }
    catch
    {
        $Uri = $_.Exception.Response.Headers.Location.OriginalString
        if(-not $Uri)
        {
            throw $_
        }
    }
}