(PowerShell) Initiate Resumable Upload Session

See more Google Cloud Storage Examples

For more information, see https://cloud.google.com/storage/docs/performing-resumable-uploads

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$http = New-Object Chilkat.Http

$jsonToken = New-Object Chilkat.JsonObject
$success = $jsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json")
if ($success -eq $false) {
    $($jsonToken.LastErrorText)
    exit
}

$jsonMetaData = New-Object Chilkat.JsonObject
$jsonMetaData.UpdateString("contentType","image/jpeg")

# Adds the "Authorization: Bearer <access_token>" header..
$http.AuthToken = $jsonToken.StringOf("access_token")

$http.SetUrlVar("bucket_name","chilkat-bucket-b")
$http.SetUrlVar("object_name","penguins2.jpg")
$url = "https://storage.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=resumable&name={$object_name}"
$resp = $http.PText("POST",$url,$jsonMetaData.Emit(),"utf-8","application/json",$false,$false)
if ($http.LastMethodSuccess -eq $false) {
    $($http.LastErrorText)
    exit
}

$statusCode = $resp.StatusCode
$("response status code = " + $statusCode)

$sessionUrl = ""

if ($statusCode -ne 200) {
    $($resp.BodyStr)
}
else {
    # The session URL will be used to upload the file in chunks, in subsequent HTTP POSTs...
    $sessionUrl = $resp.GetHeaderField("Location")
    $("Session URL = " + $sessionUrl)
}