PowerBuilder

Upload File to Google Cloud Storage

See more Google Cloud Storage Examples

Demonstrates how to upload a file to Google Cloud Storage. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_JsonToken
oleobject loo_Http
oleobject loo_SbPath
integer li_NumReplaced
oleobject loo_Req
oleobject loo_Resp
integer li_ResponseCode

li_Success = 0

// 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"

loo_JsonToken = create oleobject
li_rc = loo_JsonToken.ConnectToNewObject("Chilkat.JsonObject")
if li_rc < 0 then
    destroy loo_JsonToken
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_JsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json")
if li_Success = 0 then
    Write-Debug loo_JsonToken.LastErrorText
    destroy loo_JsonToken
    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]"

loo_Http = create oleobject
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")

loo_Http.AuthToken = loo_JsonToken.StringOf("access_token")

loo_SbPath = create oleobject
li_rc = loo_SbPath.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbPath.Append("/upload/storage/v1/b/bucket_name/o?uploadType=media&name=object_name")
li_NumReplaced = loo_SbPath.Replace("bucket_name","chilkat-bucket-b")
li_NumReplaced = loo_SbPath.Replace("object_name","penguins.jpg")

loo_Req = create oleobject
li_rc = loo_Req.ConnectToNewObject("Chilkat.HttpRequest")

loo_Req.HttpVerb = "POST"
loo_Req.Path = loo_SbPath.GetAsString()
loo_Req.ContentType = "image/jpeg"
// Indicate the file to be streamed in the request body when the HTTP POST is sent.
loo_Req.StreamBodyFromFile("qa_data/jpg/penguins.jpg")

loo_Resp = create oleobject
li_rc = loo_Resp.ConnectToNewObject("Chilkat.HttpResponse")

li_Success = loo_Http.HttpSReq("www.googleapis.com",443,1,loo_Req,loo_Resp)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_JsonToken
    destroy loo_Http
    destroy loo_SbPath
    destroy loo_Req
    destroy loo_Resp
    return
end if

li_ResponseCode = loo_Resp.StatusCode
if li_ResponseCode = 401 then
    Write-Debug loo_Resp.BodyStr
    Write-Debug "If invalid credentials, then it is likely the access token expired."
    Write-Debug "Your app should automatically fetch a new access token and re-try."
    destroy loo_JsonToken
    destroy loo_Http
    destroy loo_SbPath
    destroy loo_Req
    destroy loo_Resp
    return
end if

Write-Debug "Response code: " + string(li_ResponseCode)
Write-Debug "Response body"
Write-Debug loo_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="
// }


destroy loo_JsonToken
destroy loo_Http
destroy loo_SbPath
destroy loo_Req
destroy loo_Resp