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Classic ASP

Upload Binary File from Memory

See more Google Drive Examples

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

Chilkat Classic ASP Downloads

Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

success = 1

' 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.

set gAuth = Server.CreateObject("Chilkat.AuthGoogle")
gAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN"

set rest = Server.CreateObject("Chilkat.Rest")

' Connect using TLS.
bAutoReconnect = 1
success = rest.Connect("www.googleapis.com",443,1,bAutoReconnect)

' Provide the authentication credentials (i.e. the access token)
success = rest.SetAuthGoogle(gAuth)

' -------------------------------------------------------------------------
' A multipart upload to Google Drive needs a multipart/related Content-Type
success = rest.AddHeader("Content-Type","multipart/related")

' Specify each part of the request.

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

' Construct the JSON that will contain the metadata about the file data to be uploaded...
set json = Server.CreateObject("Chilkat.JsonObject")
success = json.AppendString("name","hedgehogs.jpg")
success = json.AppendString("description","A cute photo of two hedgehogs.")
success = json.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"
set gdCache = Server.CreateObject("Chilkat.Cache")
gdCache.Level = 0
gdCache.AddRoot "C:/ckCache/googleDrive"

folderId = gdCache.FetchText("testFolder/abc/123")
If (gdCache.LastMethodSuccess <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Filepath not found in cache.") & "</pre>"
    Response.End
End If

set parents = Server.CreateObject("Chilkat.JsonArray")
success = json.AppendArray2("parents",parents)

success = parents.AddStringAt(-1,folderId)

success = rest.SetMultipartBodyString(json.Emit())

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

set fac = Server.CreateObject("Chilkat.FileAccess")

' Read a JPG file from the local filesystem.
jpgBytes = fac.ReadEntireFile("qa_data/jpg/hedgehogs.jpg")

' Add the bytes to our upload
success = rest.SetMultipartBodyBinary(jpgBytes)

jsonResponse = rest.FullRequestMultipart("POST","/upload/drive/v3/files?uploadType=multipart")
If (rest.LastMethodSuccess = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

' A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    Response.Write "<pre>" & Server.HTMLEncode( "response status code = " & rest.ResponseStatusCode) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "response status text = " & rest.ResponseStatusText) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "response header: " & rest.ResponseHeader) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "response JSON: " & jsonResponse) & "</pre>"
    Response.End
End If

' Show the JSON response.
success = json.Load(jsonResponse)

' Show the full JSON response.
json.EmitCompact = 0
Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>"

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

' Get the fileId:
Response.Write "<pre>" & Server.HTMLEncode( "fileId: " & json.StringOf("id")) & "</pre>"

%>
</body>
</html>