Xojo Plugin

Upload File to Google Cloud Storage

See more Google Cloud Storage Examples

Demonstrates how to upload a file to Google Cloud Storage. Xojo Plugin

Dim success As Boolean
success = False

// 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 
// scope "https://www.googleapis.com/auth/cloud-platform"

Dim jsonToken As New Chilkat.JsonObject
success = jsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json")
If (success = False) Then
    System.DebugLog(jsonToken.LastErrorText)
    Return
End If

// Send a POST equivalent to this curl command.
// The content of the file is contained in the request body.

// curl -X POST --data-binary @[OBJECT] \
//     -H "Authorization: Bearer [OAUTH2_TOKEN]" \
//     -H "Content-Type: [OBJECT_CONTENT_TYPE]" \
//     "https://www.googleapis.com/upload/storage/v1/b/[BUCKET_NAME]/o?uploadType=media&name=[OBJECT_NAME]"

Dim http As New Chilkat.Http
http.AuthToken = jsonToken.StringOf("access_token")

Dim sbPath As New Chilkat.StringBuilder
success = sbPath.Append("/upload/storage/v1/b/bucket_name/o?uploadType=media&name=object_name")
Dim numReplaced As Int32
numReplaced = sbPath.Replace("bucket_name","chilkat-bucket-b")
numReplaced = sbPath.Replace("object_name","penguins.jpg")

Dim req As New Chilkat.HttpRequest
req.HttpVerb = "POST"
req.Path = sbPath.GetAsString()
req.ContentType = "image/jpeg"
// Indicate the file to be streamed in the request body when the HTTP POST is sent.
success = req.StreamBodyFromFile("qa_data/jpg/penguins.jpg")

Dim resp As New Chilkat.HttpResponse
success = http.HttpSReq("www.googleapis.com",443,True,req,resp)
If (success = False) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

Dim responseCode As Int32
responseCode = resp.StatusCode
If (responseCode = 401) Then
    System.DebugLog(resp.BodyStr)
    System.DebugLog("If invalid credentials, then it is likely the access token expired.")
    System.DebugLog("Your app should automatically fetch a new access token and re-try.")
    Return
End If

System.DebugLog("Response code: " + Str(responseCode))
System.DebugLog("Response body")
System.DebugLog(resp.BodyStr)

// A successful response looks like this:
// Response code: 200
// Response body
// {
//  "kind": "storage#object",
//  "id": "chilkat-ocean/penguins.jpg/1502643657837855",
//  "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/penguins.jpg",
//  "name": "penguins.jpg",
//  "bucket": "chilkat-ocean",
//  "generation": "1502643657837855",
//  "metageneration": "1",
//  "contentType": "image/jpeg",
//  "timeCreated": "2017-08-13T17:00:57.811Z",
//  "updated": "2017-08-13T17:00:57.811Z",
//  "storageClass": "MULTI_REGIONAL",
//  "timeStorageClassUpdated": "2017-08-13T17:00:57.811Z",
//  "size": "777835",
//  "md5Hash": "nTd7EM53jEk4s8fixjoimg==",
//  "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/penguins.jpg?generation=1502643657837855&alt=media",
//  "crc32c": "ixxYVw==",
//  "etag": "CJ+azOvX1NUCEAE="
// }