67 lines
1.9 KiB
PHP
67 lines
1.9 KiB
PHP
<?php
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require_once 'StorageBackend.php';
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require_once 'Billing.php';
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use Aws\S3\S3Client;
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class Amazon_S3StorageBackend extends StorageBackend
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{
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private $s3Client;
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public function Amazon_S3StorageBackend($securityCredentials)
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{
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$this->setBucket($securityCredentials['bucket']);
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$this->setAccessKey($securityCredentials['api_key']);
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$this->setSecretKey($securityCredentials['api_key_secret']);
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$this->s3Client = S3Client::factory(array(
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'key' => $securityCredentials['api_key'],
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'secret' => $securityCredentials['api_key_secret'],
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'region' => $securityCredentials['region']
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));
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}
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public function getAbsoluteFilePath($resourceId)
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{
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return $this->s3Client->getObjectUrl($this->getBucket(), $resourceId);
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}
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public function getSignedURL($resourceId)
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{
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return $this->s3Client->getObjectUrl($this->getBucket(), $resourceId, '+60 minutes');
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}
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public function deletePhysicalFile($resourceId)
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{
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$bucket = $this->getBucket();
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if ($this->s3Client->doesObjectExist($bucket, $resourceId)) {
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$result = $this->s3Client->deleteObject(array(
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'Bucket' => $bucket,
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'Key' => $resourceId,
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));
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} else {
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throw new Exception("ERROR: Could not locate file to delete.");
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}
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}
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// This should only be called for station termination.
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// We are only deleting the file objects from Amazon S3.
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// Records in the database will remain in case we have to restore the files.
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public function deleteAllCloudFileObjects()
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{
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$this->s3Client->deleteMatchingObjects(
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$bucket = $this->getBucket(),
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$prefix = $this->getFilePrefix());
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}
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public function getFilePrefix()
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{
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$hostingId = Billing::getClientInstanceId();
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return substr($hostingId, -2)."/".$hostingId;
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}
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}
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