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added purgeValues to GCS

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This commit is contained in:
Mark van Holsteijn 2021-06-09 22:27:34 +02:00
parent a203e6322b
commit 1232717334
2 changed files with 42 additions and 17 deletions
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37
lib/Data/GoogleCloudStorage.php
View File

@ -2,6 +2,7 @@
namespace PrivateBin\Data;
use DateTime;
use Exception;
use Google\Cloud\Core\Exception\NotFoundException;
use Google\Cloud\Storage\StorageClient;
@ -9,6 +10,8 @@ use PrivateBin\Json;
class GoogleCloudStorage extends AbstractData
{
const DATETIME_FORMAT = 'Y-m-d\TH:i:s.u\Z';
/**
* returns a Google Cloud Storage data backend.
*
@ -218,20 +221,32 @@ class GoogleCloudStorage extends AbstractData
}
/**
* Purge outdated entries.
*
* @access public
* @param string $namespace
* @param int $time
* @return void
* @inheritDoc
*/
public function purgeValues($namespace, $time)
{
if ($namespace === 'traffic_limiter') {
// TODO implement purging of keys in namespace that are <= $time
// if GCS has no easy way to iterate all keys, consider using the
// self::$_traffic_limiter_cache in a similar way as the other
// implementations.
$prefix = 'config/' . $namespace . '/';
try {
foreach ($this->_bucket->objects(array('prefix' => $prefix)) as $object) {
$info = $object->info();
$timeCreated = false;
if (key_exists('timeCreated', $info)) {
$timeCreated = DateTime::createFromFormat(GoogleCloudStorage::DATETIME_FORMAT, $info['timeCreated']);
}
if ($timeCreated && ($timeCreated->getTimestamp() < $time)) {
try {
$object->delete();
} catch (NotFoundException $e) {
// deleted by another instance.
}
} else {
if (!$timeCreated) {
error_log('failed to parse create timestamp ' . $info['timeCreated'] . ' of object ' . $object->name());
}
}
}
} catch (NotFoundException $e) {
// no objects in the bucket yet
}
}

22
tst/Data/GoogleCloudStorageTest.php
View File

@ -43,7 +43,6 @@ class GoogleCloudStorageTest extends PHPUnit_Framework_TestCase
foreach (self::$_bucket->objects() as $object) {
$object->delete();
}
error_reporting(E_ALL);
}
public static function tearDownAfterClass()
@ -145,17 +144,26 @@ class GoogleCloudStorageTest extends PHPUnit_Framework_TestCase
$this->_model->setValue($salt, 'salt', 'master');
$storedSalt = $this->_model->getValue('salt', 'master');
$this->assertEquals($salt, $storedSalt);
$this->_model->purgeValues('salt', time() + 60);
$this->assertFalse($this->_model->getValue('salt', 'master'));
$client = hash_hmac('sha512', '127.0.0.1', $salt);
$expire = time();
$this->_model->setValue($expire, 'traffic_limiter', $client);
$storedExpired = $this->_model->getValue('traffic_limiter', $client);
$this->assertEquals($expire, $storedExpired);
$this->assertEquals($expire, $storedExpired);
$this->_model->purgeValues('traffic_limiter', time() - 60);
$this->assertEquals($storedExpired, $this->_model->getValue('traffic_limiter', $client));
$this->_model->purgeValues('traffic_limiter', time() + 60);
$this->assertFalse($this->_model->getValue('traffic_limiter', $client));
$purgeAt = $expire + (15 * 60);
$this->_model->setValue($purgeAt, 'purge_limiter', 'at');
$storedPurgedAt = $this->_model->getValue('purge_limiter', 'at');
$this->assertEquals($purgeAt, $storedPurgedAt);
$this->_model->purgeValues('purge_limiter', time() + 60);
$this->assertFalse($this->_model->getValue('purge_limiter', 'at'));
}
}
@ -431,11 +439,13 @@ class StorageObjectStub extends StorageObject
public function __construct(ConnectionInterface $connection, $name, $bucket, $generation = null, array $info = array(), $encryptionKey = null, $encryptionKeySHA256 = null)
{
$this->_name = $name;
$this->_bucket = $bucket;
$this->_generation = $generation;
$this->_info = $info;
$this->_connection = $connection;
$this->_name = $name;
$this->_bucket = $bucket;
$this->_generation = $generation;
$this->_info = $info;
$this->_connection = $connection;
$timeCreated = new Datetime();
$this->_info['metadata']['timeCreated'] = $timeCreated->format(GoogleCloudStorage::DATETIME_FORMAT);
}
public function acl()