(JavaScript) Upload File to Google Cloud Storage

See more Google Cloud Storage Examples

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

var 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"

var jsonToken = new CkJsonObject();
success = jsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json");
if (success == false) {
    console.log(jsonToken.LastErrorText);
    return;
}

// 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]"

var http = new CkHttp();
http.AuthToken = jsonToken.StringOf("access_token");

var sbPath = new CkStringBuilder();
sbPath.Append("/upload/storage/v1/b/bucket_name/o?uploadType=media&name=object_name");
var numReplaced = sbPath.Replace("bucket_name","chilkat-bucket-b");
numReplaced = sbPath.Replace("object_name","penguins.jpg");

var req = new CkHttpRequest();
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.
req.StreamBodyFromFile("qa_data/jpg/penguins.jpg");

var resp = new CkHttpResponse();
success = http.HttpSReq("www.googleapis.com",443,true,req,resp);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

var responseCode = resp.StatusCode;
if (responseCode == 401) {
    console.log(resp.BodyStr);
    console.log("If invalid credentials, then it is likely the access token expired.");
    console.log("Your app should automatically fetch a new access token and re-try.");
    return;
}

console.log("Response code: " + responseCode);
console.log("Response body");
console.log(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="
// }