Private/Get-Header.ps1
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<# .Synopsis Gets the header for a rest calls .DESCRIPTION The Get-Header cmdlet gets the script level variables and handles refresh tokens if nessesary .PARAMETER Token This is the auth token object #> function Get-Header { [CmdletBinding()] [OutputType([psobject])] param() begin { Write-Verbose "[$($MyInvocation.MyCommand.Name)] Function started" [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 } process { Write-Debug "[$($MyInvocation.MyCommand.Name)] PSBoundParameters: $($PSBoundParameters | Out-String)" $header = Get-Variable -Scope Script -Name headers -ValueOnly if ($null -eq $header) { $message = "header is not set in script variable. Call Get-Credentials first" Write-Error -Message $message throw $message } $token = Get-Variable -Scope Script -Name token -ValueOnly if ($null -eq $token) { $message = "token is not set in script variable. Call Get-Credentials first" Write-Error -Message $message throw $message } $tokenExpiresAt = Get-Variable -Scope Script -Name tokenExpiresAt -ValueOnly $now = Get-Date Write-Debug "$($now) $($tokenExpiresAt)" if ($now -gt $tokenExpiresAt) { Write-Debug "*************** Refresh Token *************** " $url = Get-Variable -Scope Script -Name oAuthTokenEndpoint -ValueOnly $body = "grant_type=refresh_token&refresh_token=$($token.refresh_token)" $refreshHeader = @{ "Authorization"="Basic Y2Y6" "Accept"="application/json" "Content-Type"="application/x-www-form-urlencoded; charset=UTF-8" } $response = Invoke-Retry -ScriptBlock { Write-Output (Invoke-WebRequest -uri $url -Method Post -Header $refreshHeader -Body $body ) } Write-Debug $response if ($response.StatusCode -ne 200) { $message = "$($url) $($response.StatusCode)" Write-Error -Message $message throw $message } $token = ($response | ConvertFrom-Json) $header = Set-Headers $token } return $header } end { Write-Verbose "[$($MyInvocation.MyCommand.Name)] Complete" } } |