(PHP ActiveX) Google Cloud Storage List Bucket Objects

See more Google Cloud Storage Examples

List the objects in a Google Cloud Storage bucket.

For more information, see https://cloud.google.com/storage/docs/json_api/v1/objects/list

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 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..
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder')
$sbToken = new COM("Chilkat.StringBuilder");
$sbToken->LoadFile('qa_data/tokens/googleCloudStorageAccessToken.txt','utf-8');

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

// For more info see Cloud Storage Documentation - Objects: list 
// 
$success = $http->SetUrlVar('bucket','chilkat-ocean');
$success = $http->SetUrlVar('PROJECT_NAME','ChilkatCloud');

// resp is a Chilkat.HttpResponse
$resp = $http->QuickGetObj('https://www.googleapis.com/storage/v1/b/{$bucket}/o?project={$ChilkatCloud}');
if ($http->LastMethodSuccess == 0) {
    print $http->LastErrorText . "\n";
    exit;
}

$responseCode = $resp->StatusCode;
if ($responseCode == 401) {
    print $resp->BodyStr . "\n";
    print 'If invalid credentials, then it is likely the access token expired.' . "\n";
    print 'Your app should automatically fetch a new access token and re-try.' . "\n";

    exit;
}

print 'Response code: ' . $responseCode . "\n";
print 'Response body' . "\n";

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$json = new COM("Chilkat.JsonObject");
$success = $json->Load($resp->BodyStr);

$json->EmitCompact = 0;

print $json->emit() . "\n";

// A response code = 200 indicates success, and the response body contains JSON such as this:

// {
//   "kind": "storage#objects",
//   "items": [
//     {
//       "kind": "storage#object",
//       "id": "chilkat-ocean/file with space char.jpg/1555776690752366",
//       "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/file%20with%20space%20char.jpg",
//       "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/file%20with%20space%20char.jpg?generation=1555776690752366&alt=media",
//       "name": "file with space char.jpg",
//       "bucket": "chilkat-ocean",
//       "generation": "1555776690752366",
//       "metageneration": "1",
//       "contentType": "image/jpeg",
//       "storageClass": "MULTI_REGIONAL",
//       "size": "6229",
//       "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==",
//       "crc32c": "9RjgwQ==",
//       "etag": "CO6WguiH3+ECEAE=",
//       "timeCreated": "2019-04-20T16:11:30.752Z",
//       "updated": "2019-04-20T16:11:30.752Z",
//       "timeStorageClassUpdated": "2019-04-20T16:11:30.752Z"
//     },
//     {
//       "kind": "storage#object",
// 
//       "id": "chilkat-ocean/penguins.jpg/1555775749593296",
//       "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/penguins.jpg",
//       "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/penguins.jpg?generation=1555775749593296&alt=media",
//       "name": "penguins.jpg",
//       "bucket": "chilkat-ocean",
//       "generation": "1555775749593296",
//       "metageneration": "1",
//       "contentType": "image/jpeg",
//       "storageClass": "MULTI_REGIONAL",
//       "size": "777835",
//       "md5Hash": "nTd7EM53jEk4s8fixjoimg==",
//       "crc32c": "ixxYVw==",
//       "etag": "CNCxnqeE3+ECEAE=",
//       "timeCreated": "2019-04-20T15:55:49.593Z",
//       "updated": "2019-04-20T15:55:49.593Z",
//       "timeStorageClassUpdated": "2019-04-20T15:55:49.593Z"
//     },
//     {
//       "kind": "storage#object",
//       "id": "chilkat-ocean/starfish.jpg/1628958192639968",
//       "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/starfish.jpg",
//       "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/starfish.jpg?generation=1628958192639968&alt=media",
//       "name": "starfish.jpg",
//       "bucket": "chilkat-ocean",
//       "generation": "1628958192639968",
//       "metageneration": "1",
//       "contentType": "image/jpeg",
//       "storageClass": "MULTI_REGIONAL",
//       "size": "6229",
//       "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==",
//       "crc32c": "9RjgwQ==",
//       "etag": "COC/tJP2sPICEAE=",
//       "timeCreated": "2021-08-14T16:23:12.660Z",
//       "updated": "2021-08-14T16:23:12.660Z",
//       "timeStorageClassUpdated": "2021-08-14T16:23:12.660Z"
//     }
//   ]
// }

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

$kind = $json->stringOf('kind');
$i = 0;
$count_i = $json->SizeOfArray('items');
while ($i < $count_i) {
    $json->I = $i;
    $kind = $json->stringOf('items[i].kind');
    $id = $json->stringOf('items[i].id');
    $selfLink = $json->stringOf('items[i].selfLink');
    $mediaLink = $json->stringOf('items[i].mediaLink');
    $name = $json->stringOf('items[i].name');
    $bucket = $json->stringOf('items[i].bucket');
    $generation = $json->stringOf('items[i].generation');
    $metageneration = $json->stringOf('items[i].metageneration');
    $contentType = $json->stringOf('items[i].contentType');
    $storageClass = $json->stringOf('items[i].storageClass');
    $size = $json->stringOf('items[i].size');
    $md5Hash = $json->stringOf('items[i].md5Hash');
    $crc32c = $json->stringOf('items[i].crc32c');
    $etag = $json->stringOf('items[i].etag');
    $timeCreated = $json->stringOf('items[i].timeCreated');
    $updated = $json->stringOf('items[i].updated');
    $timeStorageClassUpdated = $json->stringOf('items[i].timeStorageClassUpdated');
    $i = $i + 1;
}


?>