sintonia/airtime_mvc/application/cloud_storage/Amazon_S3StorageBackend.php

81 lines
2.3 KiB
PHP

<?php
require_once 'StorageBackend.php';
require_once 'Billing.php';
use Aws\S3\S3Client;
class Amazon_S3 extends StorageBackend
{
private $s3Client;
public function Amazon_S3($securityCredentials)
{
$this->setBucket($securityCredentials['bucket']);
$this->setAccessKey($securityCredentials['api_key']);
$this->setSecretKey($securityCredentials['api_key_secret']);
$this->s3Client = S3Client::factory(array(
'key' => $securityCredentials['api_key'],
'secret' => $securityCredentials['api_key_secret'],
'region' => $securityCredentials['region']
));
}
public function getAbsoluteFilePath($resourceId)
{
return $this->s3Client->getObjectUrl($this->getBucket(), $resourceId);
}
public function getSignedURL($resourceId)
{
return $this->s3Client->getObjectUrl($this->getBucket(), $resourceId, '+60 minutes');
}
public function getFileSize($resourceId)
{
$obj = $this->s3Client->getObject(array(
'Bucket' => $this->getBucket(),
'Key' => $resourceId,
));
if (isset($obj["ContentLength"])) {
return (int)$obj["ContentLength"];
} else {
return 0;
}
}
public function deletePhysicalFile($resourceId)
{
$bucket = $this->getBucket();
if ($this->s3Client->doesObjectExist($bucket, $resourceId)) {
$result = $this->s3Client->deleteObject(array(
'Bucket' => $bucket,
'Key' => $resourceId,
));
} else {
throw new Exception("ERROR: Could not locate file to delete.");
}
}
// This should only be called for station termination.
// We are only deleting the file objects from Amazon S3.
// Records in the database will remain in case we have to restore the files.
public function deleteAllCloudFileObjects()
{
$this->s3Client->deleteMatchingObjects(
$bucket = $this->getBucket(),
$prefix = $this->getFilePrefix());
}
public function getFilePrefix()
{
$clientCurrentAirtimeProduct = Billing::getClientCurrentAirtimeProduct();
$hostingId = $clientCurrentAirtimeProduct["id"];
return substr($hostingId, -2)."/".$hostingId;
}
}