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(PHP ActiveX) Download Object from Google Cloud StorageDemonstrates how to download an object from Google Cloud Storage to a file.
<?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'); // Send a GET equivalent to this curl command. // curl -X GET \ // -H "Authorization: Bearer [OAUTH2_TOKEN]" \ // -o "[SAVE_TO_LOCATION]" \ // "https://www.googleapis.com/storage/v1/b/[BUCKET_NAME]/o/[OBJECT_NAME]?alt=media" // 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(); // Construct a URL to download an object named "starfish.jpg" from the "chilkat-ocean" bucket. $http->SetUrlVar('bucket_name','chilkat-ocean'); $http->SetUrlVar('object_name','starfish.jpg'); $url = 'https://www.googleapis.com/storage/v1/b/{$bucket_name}/o/{$object_name}?alt=media'; // If there is an error response, then we didn't actually download the file data, // but instead we downloaded an error response.. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.BinData') $fileData = new COM("Chilkat.BinData"); $success = $http->DownloadBd($url,$fileData); if ($success == 0) { print $http->LastErrorText . "\n"; exit; } // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder') $sbErrorResponse = new COM("Chilkat.StringBuilder"); $responseCode = $http->LastStatus; if ($responseCode == 401) { 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"; } if ($responseCode != 200) { // Get the error response $sbErrorResponse->AppendBd($fileData,'utf-8',0,0); print 'Error response code = ' . $responseCode . "\n"; print 'Error:' . "\n"; print $sbErrorResponse->getAsString() . "\n"; exit; } print 'Success.' . "\n"; // Save the downloaded data to a file. $success = $fileData->WriteFile('qa_output/starfish.jpg'); ?> |
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