Lianja Requires Chilkat v11.0.0+
Upload String to Google Cloud Storage

Demonstrates how to upload an in-memory string to Google Cloud Storage.
Chilkat Lianja Downloads

Lianja
llSuccess = .F.

//  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()

//  Create an XML document, and write it to a StringBuilder.
//  We'll be uploading this XML document.
loXml = createobject("CkXml")
loXml.Tag = "note"
loXml.UpdateChildContent("to","Tove")
loXml.UpdateChildContent("from","Jani")
loXml.UpdateChildContent("heading","Reminder")
loXml.UpdateChildContent("body","Don't forget me this weekend!")

//  Write the XML to sbXml.
loSbXml = createobject("CkStringBuilder")
loXml.GetXmlSb(loSbXml)

//  sbXml contains this:

//  <note>
//      <to>Tove</to>
//      <from>Jani</from>
//      <heading>Reminder</heading>
//      <body>Don't forget me this weekend!</body>
//  </note>

//  Construct a URL to upload to an object named "test.xml" in the "chilkat-ocean" bucket.
loHttp.SetUrlVar("bucket_name","chilkat-ocean")
loHttp.SetUrlVar("object_name","test.xml")
lcUrl = "https://www.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=media&name={$object_name}"

loResp = createobject("CkHttpResponse")
llSuccess = loHttp.HttpSb("POST",lcUrl,loSbXml,"utf-8","application/xml",loResp)
if (llSuccess = .F.) then
    ? loHttp.LastErrorText
    release loSbToken
    release loHttp
    release loXml
    release loSbXml
    release loResp
    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 loSbToken
    release loHttp
    release loXml
    release loSbXml
    release loResp
    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/test.xml/1502669565429870",
//   "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/test.xml",
//   "name": "test.xml",
//   "bucket": "chilkat-ocean",
//   "generation": "1502669565429870",
//   "metageneration": "1",
//   "contentType": "application/xml",
//   "timeCreated": "2017-08-14T00:12:45.379Z",
//   "updated": "2017-08-14T00:12:45.379Z",
//   "storageClass": "MULTI_REGIONAL",
//   "timeStorageClassUpdated": "2017-08-14T00:12:45.379Z",
//   "size": "181",
//   "md5Hash": "TCR0L7TWsw2TzOvfNvgEfA==",
//   "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/test.xml?generation=1502669565429870&alt=media",
//   "crc32c": "ZFd5sA==",
//   "etag": "CO6Qpq241dUCEAE="
//  }


release loSbToken
release loHttp
release loXml
release loSbXml
release loResp