(VBScript) Initiate Resumable Upload Session

See more Google Cloud Storage Examples

Initiate a Google Cloud Storage resumable upload session..

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

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

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Http")
set http = CreateObject("Chilkat.Http")

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set jsonToken = CreateObject("Chilkat.JsonObject")
success = jsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json")
If (success = 0) Then
    outFile.WriteLine(jsonToken.LastErrorText)
    WScript.Quit
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set jsonMetaData = CreateObject("Chilkat.JsonObject")
success = jsonMetaData.UpdateString("contentType","image/jpeg")

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

success = http.SetUrlVar("bucket_name","chilkat-bucket-b")
success = http.SetUrlVar("object_name","penguins2.jpg")
url = "https://storage.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=resumable&name={$object_name}"
' resp is a Chilkat.HttpResponse
Set resp = http.PText("POST",url,jsonMetaData.Emit(),"utf-8","application/json",0,0)
If (http.LastMethodSuccess = 0) Then
    outFile.WriteLine(http.LastErrorText)
    WScript.Quit
End If

statusCode = resp.StatusCode
outFile.WriteLine("response status code = " & statusCode)

sessionUrl = ""

If (statusCode <> 200) Then
    outFile.WriteLine(resp.BodyStr)
Else
    ' The session URL will be used to upload the file in chunks, in subsequent HTTP POSTs...
    sessionUrl = resp.GetHeaderField("Location")
    outFile.WriteLine("Session URL = " & sessionUrl)
End If


outFile.Close