infamousjoeg

try {
    $webresp = Invoke-WebRequest "https://pvwa.example.com/PasswordVault/auth/saml/" -MaximumRedirection 0 -ErrorAction SilentlyContinue -UseBasicParsing
} catch {
    $_.Exception.Response.StatusCode.Value__
}
try {
    $samlresp = Invoke-WebRequest -Uri ($webresp.links.href) -MaximumRedirection 1 -UseDefaultCredentials -UseBasicParsing
} catch {
    $_.Exception.Response.StatusCode.Value__
}

jgard

Function Get-AWSTempCred {
[CmdletBinding()]
    param (
        [string]$ADFSHost='adfs.domain.com', ##Change for environment-appropriate default if desired
        [string]$RelyingParty = 'urn:amazon:webservices',
        [pscredential]$Credential
    )

    $WebRequestParams=@{ #Initialize parameters object
        Uri = "https://$ADFSHost/adfs/ls/IdpInitiatedSignon.aspx?LoginToRP=$RelyingParty"