(PHP ActiveX) Initiate Resumable Upload Session

See more Google Cloud Storage Examples

Initiate a Google Cloud Storage resumable upload session..

For more information, see https://cloud.google.com/storage/docs/performing-resumable-uploads

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Http')
$http = new COM("Chilkat.Http");

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$jsonToken = new COM("Chilkat.JsonObject");
$success = $jsonToken->LoadFile('qa_data/tokens/googleCloudStorage.json');
if ($success == 0) {
    print $jsonToken->LastErrorText . "\n";
    exit;
}

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$jsonMetaData = new COM("Chilkat.JsonObject");
$jsonMetaData->UpdateString('contentType','image/jpeg');

// Adds the "Authorization: Bearer <access_token>" header..
$http->AuthToken = $jsonToken->stringOf('access_token');

$http->SetUrlVar('bucket_name','chilkat-bucket-b');
$http->SetUrlVar('object_name','penguins2.jpg');
$url = 'https://storage.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=resumable&name={$object_name}';
// resp is a Chilkat.HttpResponse
$resp = $http->PText('POST',$url,$jsonMetaData->emit(),'utf-8','application/json',0,0);
if ($http->LastMethodSuccess == 0) {
    print $http->LastErrorText . "\n";
    exit;
}

$statusCode = $resp->StatusCode;
print 'response status code = ' . $statusCode . "\n";

$sessionUrl = '';

if ($statusCode != 200) {
    print $resp->BodyStr . "\n";
}
else {
    // The session URL will be used to upload the file in chunks, in subsequent HTTP POSTs...
    $sessionUrl = $resp->getHeaderField('Location');
    print 'Session URL = ' . $sessionUrl . "\n";
}


?>