(Lianja) Upload Filename with SPACE Chars to Google Cloud Storage

Demonstrates how to upload a file with SPACE chars in the name to Google Cloud Storage.

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// 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"

// In this example, Get Google Cloud Storage OAuth2 Access Token, 
// the service account access token was saved to a text file.  This example fetches the access token from the file..
loSbToken = createobject("CkStringBuilder")
loSbToken.LoadFile("qa_data/tokens/googleCloudStorageAccessToken.txt","utf-8")

// 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]"

loHttp = createobject("CkHttp")
loHttp.AuthToken = loSbToken.GetAsString()

// Use %20 for the SPACE chars in the path.
loSbPath = createobject("CkStringBuilder")
loSbPath.Append("/upload/storage/v1/b/bucket_name/o?uploadType=media&name=file%20with%20space%20char.jpg")
lnNumReplaced = loSbPath.Replace("bucket_name","chilkat-ocean")

loReq = createobject("CkHttpRequest")
loReq.HttpVerb = "POST"
loReq.Path = loSbPath.GetAsString()
loReq.ContentType = "image/jpeg"
// Indicate the file to be streamed in the request body when the HTTP POST is sent.
// Use SPACE chars directly in the local file path.
loReq.StreamBodyFromFile("qa_data/jpg/file with space char.jpg")

loResp = loHttp.SynchronousRequest("www.googleapis.com",443,.T.,loReq)
if (loHttp.LastMethodSuccess = .F.) then
    ? loHttp.LastErrorText
    release loSbToken
    release loHttp
    release loSbPath
    release loReq
    return
endif

lnResponseCode = loResp.StatusCode
if (lnResponseCode = 401) then
    ? loResp.BodyStr
    ? "If invalid credentials, then it is likely the access token expired."
    ? "Your app should automatically fetch a new access token and re-try."
    release loResp
    release loSbToken
    release loHttp
    release loSbPath
    release loReq
    return
endif

? "Response code: " + str(lnResponseCode)
? "Response body"
? loResp.BodyStr

// A successful response looks like this:
// Response code: 200
// Response body
// {
//  "kind": "storage#object",
//  "id": "chilkat-ocean/file with space char.jpg/1502643657837855",
//  "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/file with space char.jpg",
//  "name": "file with space char.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/file with space char.jpg?generation=1502643657837855&alt=media",
//  "crc32c": "ixxYVw==",
//  "etag": "CJ+azOvX1NUCEAE="
// }

release loResp


release loSbToken
release loHttp
release loSbPath
release loReq