Objective-C

Upload Filename with SPACE Chars to Google Cloud Storage

See more Google Cloud Storage Examples

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

#import <CkoStringBuilder.h>
#import <CkoHttp.h>
#import <CkoHttpRequest.h>
#import <CkoHttpResponse.h>

BOOL success = NO;

//  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..
CkoStringBuilder *sbToken = [[CkoStringBuilder alloc] init];
[sbToken LoadFile: @"qa_data/tokens/googleCloudStorageAccessToken.txt" charset: @"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]"

CkoHttp *http = [[CkoHttp alloc] init];
http.AuthToken = [sbToken GetAsString];

//  Use %20 for the SPACE chars in the path.
CkoStringBuilder *sbPath = [[CkoStringBuilder alloc] init];
[sbPath Append: @"/upload/storage/v1/b/bucket_name/o?uploadType=media&name=file%20with%20space%20char.jpg"];
int numReplaced = [[sbPath Replace: @"bucket_name" replacement: @"chilkat-ocean"] intValue];

CkoHttpRequest *req = [[CkoHttpRequest alloc] init];
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.
//  Use SPACE chars directly in the local file path.
[req StreamBodyFromFile: @"qa_data/jpg/file with space char.jpg"];

CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpSReq: @"www.googleapis.com" port: [NSNumber numberWithInt: 443] ssl: YES request: req response: resp];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

int responseCode = [resp.StatusCode intValue];
if (responseCode == 401) {
    NSLog(@"%@",resp.BodyStr);
    NSLog(@"%@",@"If invalid credentials, then it is likely the access token expired.");
    NSLog(@"%@",@"Your app should automatically fetch a new access token and re-try.");
    return;
}

NSLog(@"%@%d",@"Response code: ",responseCode);
NSLog(@"%@",@"Response body");
NSLog(@"%@",resp.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="
//  }