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<?php |
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namespace Sausin\LaravelOvh; |
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use BadMethodCallException; |
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use Carbon\Carbon; |
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use League\Flysystem\Config; |
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use Nimbusoft\Flysystem\OpenStack\SwiftAdapter; |
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use OpenStack\Common\Error\BadResponseError; |
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use OpenStack\ObjectStore\v1\Models\Container; |
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class OVHSwiftAdapter extends SwiftAdapter |
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{ |
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/** |
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* URL base path variables for OVH service |
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* the HTTPS url is typically of the format |
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* https://storage.[REGION].cloud.ovh.net/v1/AUTH_[PROJECT_ID]/[CONTAINER_NAME]. |
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* @var array |
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*/ |
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protected $urlVars; |
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/** Variables from the Filesystem class will be temporarily stored here */ |
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protected $specialParams; |
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/** |
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* Constructor. |
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* |
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* @param Container $container |
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* @param array $urlVars |
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* @param string $prefix |
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*/ |
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public function __construct(Container $container, $urlVars = [], $prefix = null) |
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{ |
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parent::__construct($container, $prefix); |
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$this->urlVars = $urlVars; |
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} |
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/** |
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* Custom function to comply with the Storage::url() function in laravel |
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* without checking the existence of a file (faster). |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function getUrl($path) |
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{ |
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$this->checkParams(); |
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return $this->getEndpoint().$path; |
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} |
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/** |
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* Custom function to get a url with confirmed file existence. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function getUrlConfirm($path) |
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{ |
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// check if object exists |
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try { |
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$this->getTimestamp($path); |
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} catch (BadResponseError $e) { |
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throw $e; |
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} |
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$this->checkParams(); |
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return $this->getEndpoint().$path; |
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} |
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/** |
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* Generate a temporary URL for private containers. |
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* |
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* @param string $path |
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* @param Carbon $expiration |
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* @param array $options |
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* @return string |
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*/ |
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public function getTemporaryUrl($path, $expiration, $options = []) |
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{ |
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$this->checkParams(); |
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// expiry is relative to current time |
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$expiresAt = $expiration instanceof Carbon ? $expiration->timestamp : (int) (time() + 60 * 60); |
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// get the method |
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$method = isset($options['method']) ? $options['method'] : 'GET'; |
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// the url on the OVH host |
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$codePath = sprintf( |
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'/v1/AUTH_%s/%s/%s', |
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$this->urlVars['projectId'], |
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$this->urlVars['container'], |
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$path |
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); |
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// body for the HMAC hash |
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$body = sprintf("%s\n%s\n%s", $method, $expiresAt, $codePath); |
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// the actual hash signature |
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$signature = hash_hmac('sha1', $body, $this->urlVars['urlKey']); |
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// return the url |
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return sprintf( |
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'%s?temp_url_sig=%s&temp_url_expires=%s', |
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$this->getEndpoint().$path, |
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$signature, |
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$expiresAt |
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); |
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} |
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/** |
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* Gets the endpoint url of the bucket. |
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* |
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* @return string |
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*/ |
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protected function getEndpoint() |
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{ |
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$this->checkParams(); |
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return isset($this->urlVars['endpoint']) |
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// allows assigning custom endpoint url |
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? rtrim($this->urlVars['endpoint'], '/').'/' |
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// if no custom endpoint assigned, use traditional swift v1 endpoint |
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: sprintf( |
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'https://storage.%s.cloud.ovh.net/v1/AUTH_%s/%s/', |
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$this->urlVars['region'], |
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$this->urlVars['projectId'], |
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$this->urlVars['container'] |
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); |
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} |
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/** |
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* Check if the url support variables have |
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* been correctly defined. |
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* |
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* @return void|BadMethodCallException |
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*/ |
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protected function checkParams() |
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{ |
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$needKeys = ['region', 'projectId', 'container', 'urlKey', 'endpoint']; |
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if (! is_array($this->urlVars) || count(array_intersect($needKeys, array_keys($this->urlVars))) !== count($needKeys)) { |
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throw new BadMethodCallException('Insufficient Url Params', 1); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function write($path, $contents, Config $config, $size = 0) |
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{ |
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$this->specialParams = $config; |
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parent::write($path, $contents, $config, $size); |
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} |
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/** |
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* Include support for object deletion. |
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* |
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* @param string $path |
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* @see Nimbusoft\Flysystem\OpenStack |
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* |
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* @return array |
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*/ |
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protected function getWriteData($path) |
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{ |
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$data = ['name' => $path]; |
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if ($this->specialParams->has('deleteAfter')) { |
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$data += ['deleteAfter' => $this->specialParams->get('deleteAfter')]; |
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} elseif ($this->specialParams->has('deleteAt')) { |
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$data += ['deleteAt' => $this->specialParams->get('deleteAt')]; |
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} |
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return $data; |
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} |
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} |
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sausin /
laravel-ovh
