AutoIt

Upload Binary File from Memory

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This example demonstrates how to upload a binary file from memory. It uploads the file to a subdirectory of our choosing. AutoIt

Local $bSuccess = False

$bSuccess = True

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

;  This example uses a previously obtained access token having permission for the 
;  Google Drive scope.

$oGAuth = ObjCreate("Chilkat.AuthGoogle")
$oGAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN"

$oRest = ObjCreate("Chilkat.Rest")

;  Connect using TLS.
Local $bAutoReconnect = True
$bSuccess = $oRest.Connect("www.googleapis.com",443,True,$bAutoReconnect)

;  Provide the authentication credentials (i.e. the access token)
$oRest.SetAuthGoogle($oGAuth)

;  -------------------------------------------------------------------------
;  A multipart upload to Google Drive needs a multipart/related Content-Type
$oRest.AddHeader("Content-Type","multipart/related")

;  Specify each part of the request.

;  The 1st part is JSON with information about the file.
$oRest.PartSelector = "1"
$oRest.AddHeader("Content-Type","application/json; charset=UTF-8")

;  Construct the JSON that will contain the metadata about the file data to be uploaded...
$oJson = ObjCreate("Chilkat.JsonObject")
$oJson.AppendString("name","hedgehogs.jpg")
$oJson.AppendString("description","A cute photo of two hedgehogs.")
$oJson.AppendString("mimeType","image/jpeg")

;  To place the file in a folder, we must add a parents[] array to the JSON
;  and add the folder ID.  
;  In a previous example (see Build Local Metadata Cache
;  we built a local cache to make it easy to lookup file IDs given a file path.
;  Let's find the file ID for the folder "testFolder/abc/123"
$oGdCache = ObjCreate("Chilkat.Cache")
$oGdCache.Level = 0
$oGdCache.AddRoot "C:/ckCache/googleDrive"

Local $sFolderId = $oGdCache.FetchText("testFolder/abc/123")
If ($oGdCache.LastMethodSuccess <> True) Then
    ConsoleWrite("Filepath not found in cache." & @CRLF)
    Exit
EndIf

$oParents = ObjCreate("Chilkat.JsonArray")
$oJson.AppendArray2("parents",$oParents)

$oParents.AddStringAt(-1,$sFolderId)

$oRest.SetMultipartBodyString($oJson.Emit())

;  The 2nd part is the file content, which will contain the binary image data.
$oRest.PartSelector = "2"
$oRest.AddHeader("Content-Type","image/jpeg")

$oFac = ObjCreate("Chilkat.FileAccess")
Local $oJpgBytes
;  Read a JPG file from the local filesystem.
$oJpgBytes = $oFac.ReadEntireFile("qa_data/jpg/hedgehogs.jpg")

;  Add the bytes to our upload
$oRest.SetMultipartBodyBinary($oJpgBytes)

Local $sJsonResponse = $oRest.FullRequestMultipart("POST","/upload/drive/v3/files?uploadType=multipart")
If ($oRest.LastMethodSuccess = False) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

;  A successful response will have a status code equal to 200.
If ($oRest.ResponseStatusCode <> 200) Then
    ConsoleWrite("response status code = " & $oRest.ResponseStatusCode & @CRLF)
    ConsoleWrite("response status text = " & $oRest.ResponseStatusText & @CRLF)
    ConsoleWrite("response header: " & $oRest.ResponseHeader & @CRLF)
    ConsoleWrite("response JSON: " & $sJsonResponse & @CRLF)
    Exit
EndIf

;  Show the JSON response.
$oJson.Load($sJsonResponse)

;  Show the full JSON response.
$oJson.EmitCompact = False
ConsoleWrite($oJson.Emit() & @CRLF)

;  A successful response looks like this:
;  {
;    "kind": "drive#file",
;    "id": "0B53Q6OSTWYoldmJ0Z3ZqT2x5MFk",
;    "name": "hedgehogs.jpg",
;    "mimeType": "image/jpeg"
;  }

;  Get the fileId:
ConsoleWrite("fileId: " & $oJson.StringOf("id") & @CRLF)